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-rw-r--r--lib/asn1/src/Makefile39
-rw-r--r--lib/asn1/src/asn1.app.src1
-rw-r--r--lib/asn1/src/asn1ct.erl107
-rw-r--r--lib/asn1/src/asn1ct_check.erl39
-rw-r--r--lib/asn1/src/asn1ct_constructed_ber.erl1596
-rw-r--r--lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl25
-rw-r--r--lib/asn1/src/asn1ct_constructed_per.erl970
-rw-r--r--lib/asn1/src/asn1ct_gen.erl346
-rw-r--r--lib/asn1/src/asn1ct_gen_ber.erl1749
-rw-r--r--lib/asn1/src/asn1ct_gen_ber_bin_v2.erl49
-rw-r--r--lib/asn1/src/asn1ct_gen_per.erl211
-rw-r--r--lib/asn1/src/asn1ct_gen_per_rt2ct.erl211
-rw-r--r--lib/asn1/src/asn1ct_imm.erl626
-rw-r--r--lib/asn1/src/asn1ct_value.erl24
-rw-r--r--lib/asn1/src/asn1rt_ber_bin.erl1974
-rw-r--r--lib/asn1/src/asn1rt_ber_bin_v2.erl53
-rw-r--r--lib/asn1/src/asn1rt_per_bin.erl2285
-rw-r--r--lib/asn1/src/asn1rt_per_bin_rt2ct.erl331
-rw-r--r--lib/asn1/src/asn1rt_uper_bin.erl284
19 files changed, 1658 insertions, 9262 deletions
diff --git a/lib/asn1/src/Makefile b/lib/asn1/src/Makefile
index 4bd49aa93b..8d9422144e 100644
--- a/lib/asn1/src/Makefile
+++ b/lib/asn1/src/Makefile
@@ -52,10 +52,9 @@ CT_MODULES= \
asn1ct_gen_per_rt2ct \
asn1ct_name \
asn1ct_constructed_per \
- asn1ct_constructed_ber \
- asn1ct_gen_ber \
asn1ct_constructed_ber_bin_v2 \
asn1ct_gen_ber_bin_v2 \
+ asn1ct_imm \
asn1ct_value \
asn1ct_tok \
asn1ct_parser2 \
@@ -63,7 +62,6 @@ CT_MODULES= \
RT_MODULES= \
asn1rt \
- asn1rt_per_bin \
asn1rt_ber_bin \
asn1rt_ber_bin_v2 \
asn1rt_per_bin_rt2ct \
@@ -166,11 +164,32 @@ release_spec: opt
release_docs_spec:
+#
+# Dependencies
+#
-
-
-
-
-
-
-
+$(EBIN)/asn1_app.beam: asn1_app.erl
+$(EBIN)/asn1_db.beam: asn1_db.erl
+$(EBIN)/asn1ct.beam: asn1ct.erl asn1_records.hrl
+$(EBIN)/asn1ct_check.beam: asn1ct_check.erl asn1_records.hrl
+$(EBIN)/asn1ct_constructed_ber_bin_v2.beam: asn1ct_constructed_ber_bin_v2.erl \
+ asn1_records.hrl
+$(EBIN)/asn1ct_constructed_per.beam: asn1ct_constructed_per.erl asn1_records.hrl
+$(EBIN)/asn1ct_gen.beam: asn1ct_gen.erl asn1_records.hrl
+$(EBIN)/asn1ct_gen_ber_bin_v2.beam: asn1ct_gen_ber_bin_v2.erl asn1_records.hrl
+$(EBIN)/asn1ct_gen_per.beam: asn1ct_gen_per.erl asn1_records.hrl
+$(EBIN)/asn1ct_gen_per_rt2ct.beam: asn1ct_gen_per_rt2ct.erl asn1_records.hrl
+$(EBIN)/asn1ct_imm.beam: asn1ct_imm.erl
+$(EBIN)/asn1ct_name.beam: asn1ct_name.erl
+$(EBIN)/asn1ct_parser2.beam: asn1ct_parser2.erl asn1_records.hrl
+$(EBIN)/asn1ct_pretty_format.beam: asn1ct_pretty_format.erl
+$(EBIN)/asn1ct_table.beam: asn1ct_table.erl
+$(EBIN)/asn1ct_tok.beam: asn1ct_tok.erl
+$(EBIN)/asn1ct_value.beam: asn1ct_value.erl asn1_records.hrl
+$(EBIN)/asn1rt.beam: asn1rt.erl
+$(EBIN)/asn1rt_ber_bin.beam: asn1rt_ber_bin.erl asn1_records.hrl
+$(EBIN)/asn1rt_ber_bin_v2.beam: asn1rt_ber_bin_v2.erl
+$(EBIN)/asn1rt_check.beam: asn1rt_check.erl
+$(EBIN)/asn1rt_nif.beam: asn1rt_nif.erl
+$(EBIN)/asn1rt_per_bin_rt2ct.beam: asn1rt_per_bin_rt2ct.erl asn1_records.hrl
+$(EBIN)/asn1rt_uper_bin.beam: asn1rt_uper_bin.erl asn1_records.hrl
diff --git a/lib/asn1/src/asn1.app.src b/lib/asn1/src/asn1.app.src
index 09144ba2f7..64b33a8a30 100644
--- a/lib/asn1/src/asn1.app.src
+++ b/lib/asn1/src/asn1.app.src
@@ -3,7 +3,6 @@
{vsn, "%VSN%"},
{modules, [
asn1rt,
- asn1rt_per_bin,
asn1rt_per_bin_rt2ct,
asn1rt_uper_bin,
asn1rt_ber_bin,
diff --git a/lib/asn1/src/asn1ct.erl b/lib/asn1/src/asn1ct.erl
index 8e971a1c76..90882462ac 100644
--- a/lib/asn1/src/asn1ct.erl
+++ b/lib/asn1/src/asn1ct.erl
@@ -85,14 +85,8 @@
compile(File) ->
compile(File,[]).
-compile(File,Options) when is_list(Options) ->
- case lists:member(driver, Options) of %% remove me in R16A!
- true ->
- io:format("Warning: driver option is obsolete and will be removed in R16A, use nif instead!");
- false ->
- ok
- end,
- Options1 = optimize_ber_bin(Options),
+compile(File, Options0) when is_list(Options0) ->
+ Options1 = translate_options(Options0),
Options2 = includes(File,Options1),
Includes = strip_includes(Options2),
in_process(fun() -> compile_proc(File, Includes, Options2) end).
@@ -852,8 +846,8 @@ generate({true,{M,_Module,GenTOrV}},OutFile,EncodingRule,Options) ->
debug_off(Options),
put(compact_bit_string,false),
erase(encoding_options),
- erase(tlv_format), % used in ber_bin, optimize
- erase(class_default_type),% used in ber_bin, optimize
+ erase(tlv_format), % used in ber
+ erase(class_default_type),% used in ber
asn1ct_table:delete(check_functions),
case Result of
{error,_} ->
@@ -876,14 +870,13 @@ parse_and_save(Module,S) ->
Options = S#state.options,
SourceDir = S#state.sourcedir,
Includes = [I || {i,I} <-Options],
- Options1 = optimize_ber_bin(Options),
-
+
case get_input_file(Module,[SourceDir|Includes]) of
%% search for asn1 source
{file,SuffixedASN1source} ->
- case dbfile_uptodate(SuffixedASN1source,Options1) of
+ case dbfile_uptodate(SuffixedASN1source,Options) of
false ->
- parse_and_save1(S,SuffixedASN1source,Options1,Includes);
+ parse_and_save1(S,SuffixedASN1source,Options,Includes);
_ -> ok
end;
Err ->
@@ -1065,9 +1058,9 @@ get_file_list1(Stream,Dir,Includes,Acc) ->
end.
get_rule(Options) ->
- case [Rule ||Rule <-[per,ber,ber_bin,ber_bin_v2,per_bin,uper_bin],
- Opt <- Options,
- Rule==Opt] of
+ case [Rule || Rule <- [ber,per,uper],
+ Opt <- Options,
+ Rule =:= Opt] of
[Rule] ->
Rule;
[Rule|_] ->
@@ -1079,19 +1072,34 @@ get_rule(Options) ->
get_runtime_mod(Options) ->
RtMod1=
case get_rule(Options) of
- per -> ["asn1rt_per_bin.erl"];
- ber -> ["asn1rt_ber_bin.erl"];
- per_bin ->
- case lists:member(optimize,Options) of
- true -> ["asn1rt_per_bin_rt2ct.erl"];
- _ -> ["asn1rt_per_bin.erl"]
- end;
- ber_bin -> ["asn1rt_ber_bin.erl"];
- ber_bin_v2 -> ["asn1rt_ber_bin_v2.erl"];
- uper_bin -> ["asn1rt_uper_bin.erl"]
+ per -> "asn1rt_per_bin_rt2ct.erl";
+ ber -> ["asn1rt_ber_bin_v2.erl"];
+ uper -> ["asn1rt_uper_bin.erl"]
end,
RtMod1++["asn1rt_check.erl","asn1rt.erl"].
-
+
+%% translate_options(NewOptions) -> OldOptions
+%% Translate the new option names to the old option name.
+%% FIXME. We should rewrite all code to handle the new option names.
+
+translate_options([ber_bin|T]) ->
+ io:format("Warning: The option 'ber_bin' is now called 'ber'.\n"),
+ [ber|translate_options(T)];
+translate_options([per_bin|T]) ->
+ io:format("Warning: The option 'per_bin' is now called 'per'.\n"),
+ [per|translate_options(T)];
+translate_options([uper_bin|T]) ->
+ io:format("Warning: The option 'uper_bin' is now called 'uper'.\n"),
+ translate_options([uper|T]);
+translate_options([nif|T]) ->
+ io:format("Warning: The option 'nif' is no longer needed.\n"),
+ translate_options(T);
+translate_options([optimize|T]) ->
+ io:format("Warning: The option 'optimize' is no longer needed.\n"),
+ translate_options(T);
+translate_options([H|T]) ->
+ [H|translate_options(T)];
+translate_options([]) -> [].
erl_compile(OutFile,Options) ->
% io:format("Options:~n~p~n",[Options]),
@@ -1115,7 +1123,6 @@ remove_asn_flags(Options) ->
X /= optimize,
X /= compact_bit_string,
X /= debug,
- X /= keyed_list,
X /= asn1config,
X /= record_name_prefix].
@@ -1125,12 +1132,6 @@ debug_on(Options) ->
put(asndebug,true);
_ ->
true
- end,
- case lists:member(keyed_list,Options) of
- true ->
- put(asn_keyed_list,true);
- _ ->
- true
end.
igorify_options(Options) ->
@@ -1151,8 +1152,7 @@ generated_file(Name,Options) ->
end.
debug_off(_Options) ->
- erase(asndebug),
- erase(asn_keyed_list).
+ erase(asndebug).
outfile(Base, Ext, Opts) ->
@@ -1168,13 +1168,6 @@ outfile(Base, Ext, Opts) ->
lists:concat([Obase,".",Ext])
end.
-optimize_ber_bin(Options) ->
- case {lists:member(optimize,Options),lists:member(ber_bin,Options)} of
- {true,true} ->
- [ber_bin_v2|Options--[ber_bin]];
- _ -> Options
- end.
-
includes(File,Options) ->
Options2 = include_append(".", Options),
Options3 = include_append(filename:dirname(File), Options2),
@@ -1284,12 +1277,7 @@ make_erl_options(Opts) ->
Defines) ++
case OutputType of
undefined -> [ber]; % temporary default (ber when it's ready)
- ber -> [ber];
- ber_bin -> [ber_bin];
- ber_bin_v2 -> [ber_bin_v2];
- per -> [per];
- per_bin -> [per_bin];
- uper_bin -> [uper_bin]
+ _ -> [OutputType] % pass through
end,
Options++[errors, {cwd, Cwd}, {outdir, Outdir}|
@@ -1400,8 +1388,7 @@ test_value(Module, Type, Value) ->
in_process(fun() ->
case catch encode(Module, Type, Value) of
{ok, Bytes} ->
- M = to_atom(Module),
- NewBytes = prepare_bytes(M:encoding_rule(), Bytes),
+ NewBytes = prepare_bytes(Bytes),
case decode(Module, Type, NewBytes) of
{ok, Value} ->
{ok, {Module, Type, Value}};
@@ -1452,18 +1439,8 @@ check(Module, Includes) ->
end
end.
-to_atom(Term) when is_list(Term) -> list_to_atom(Term);
-to_atom(Term) when is_atom(Term) -> Term.
-
-prepare_bytes(ber, Bytes) -> lists:flatten(Bytes);
-prepare_bytes(ber_bin, Bytes) when is_binary(Bytes) -> Bytes;
-prepare_bytes(ber_bin, Bytes) -> list_to_binary(Bytes);
-prepare_bytes(ber_bin_v2, Bytes) when is_binary(Bytes) -> Bytes;
-prepare_bytes(ber_bin_v2, Bytes) -> list_to_binary(Bytes);
-prepare_bytes(per, Bytes) -> lists:flatten(Bytes);
-prepare_bytes(per_bin, Bytes) when is_binary(Bytes) -> Bytes;
-prepare_bytes(per_bin, Bytes) -> list_to_binary(Bytes);
-prepare_bytes(uper_bin, Bytes) -> Bytes.
+prepare_bytes(Bytes) when is_binary(Bytes) -> Bytes;
+prepare_bytes(Bytes) -> list_to_binary(Bytes).
vsn() ->
?vsn.
@@ -1504,7 +1481,7 @@ specialized_decode_prepare(Erule,M,TsAndVs,Options) ->
end.
%% Reads the configuration file if it exists and stores information
%% about partial decode and incomplete decode
-partial_decode_prepare(ber_bin_v2,M,TsAndVs,Options) when is_tuple(TsAndVs) ->
+partial_decode_prepare(ber,M,TsAndVs,Options) when is_tuple(TsAndVs) ->
%% read configure file
ModName =
diff --git a/lib/asn1/src/asn1ct_check.erl b/lib/asn1/src/asn1ct_check.erl
index 59e82b7a57..fe1b2e14a8 100644
--- a/lib/asn1/src/asn1ct_check.erl
+++ b/lib/asn1/src/asn1ct_check.erl
@@ -61,13 +61,13 @@
-define(TAG_PRIMITIVE(Num),
case S#state.erule of
- ber_bin_v2 ->
+ ber ->
#tag{class='UNIVERSAL',number=Num,type='IMPLICIT',form=0};
_ -> []
end).
-define(TAG_CONSTRUCTED(Num),
case S#state.erule of
- ber_bin_v2 ->
+ ber ->
#tag{class='UNIVERSAL',number=Num,type='IMPLICIT',form=32};
_ -> []
end).
@@ -3262,7 +3262,7 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) ->
inlined=IsInlined},
TestFun =
fun(Tref) ->
- {_,MaybeChoice} = get_referenced_type(S,Tref),
+ MaybeChoice = get_non_typedef(S, Tref),
case catch((MaybeChoice#typedef.typespec)#type.def) of
{'CHOICE',_} ->
maybe_illicit_implicit_tag(choice,Tag);
@@ -3347,7 +3347,7 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) ->
TempNewDef#newt{
type = check_externaltypereference(S,NewExt),
tag = case S#state.erule of
- ber_bin_v2 ->
+ ber ->
merge_tags(Ct,RefType#type.tag);
_ ->
Ct
@@ -3617,6 +3617,14 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) ->
check_type(_S,Type,Ts) ->
exit({error,{asn1,internal_error,Type,Ts}}).
+get_non_typedef(S, Tref0) ->
+ case get_referenced_type(S, Tref0) of
+ {_,#typedef{typespec=#type{def=#'Externaltypereference'{}=Tref}}} ->
+ get_non_typedef(S, Tref);
+ {_,Type} ->
+ Type
+ end.
+
%% tablecinf_choose. A SEQUENCE or SET may be inserted in another
%% SEQUENCE or SET by the COMPONENTS OF directive. If this inserted
%% type is a referenced type that already has been checked it already
@@ -5289,7 +5297,7 @@ iof_associated_type(S,[]) ->
AssociateSeq = iof_associated_type1(S,[]),
Tag =
case S#state.erule of
- ber_bin_v2 ->
+ ber ->
[?TAG_CONSTRUCTED(?N_INSTANCE_OF)];
_ -> []
end,
@@ -5320,7 +5328,7 @@ iof_associated_type1(S,C) ->
end,
{ObjIdTag,C1TypeTag}=
case S#state.erule of
- ber_bin_v2 ->
+ ber ->
{[{'UNIVERSAL',8}],
[#tag{class='UNIVERSAL',
number=6,
@@ -5551,8 +5559,9 @@ complist_as_tuple(_Per,[],Acc,Ext,_Acc2,ext) ->
complist_as_tuple(_Per,[],Acc,Ext,Acc2,root2) ->
{lists:reverse(Acc),lists:reverse(Ext),lists:reverse(Acc2)}.
-is_erule_per(Erule) ->
- lists:member(Erule,[per,per_bin,uper_bin]).
+is_erule_per(per) -> true;
+is_erule_per(uper) -> true;
+is_erule_per(ber) -> false.
expand_components(S, [{'COMPONENTS OF',Type}|T]) ->
CompList = expand_components2(S,get_referenced_type(S,Type#type.def)),
@@ -5641,7 +5650,7 @@ check_set(S,Type,Components) ->
{true,_} ->
{Sorted,SortedComponents} = sort_components(der,S,NewComponents),
{Sorted,TableCInf,SortedComponents};
- {_,PER} when PER =:= per; PER =:= per_bin; PER =:= uper_bin ->
+ {_,PER} when PER =:= per; PER =:= uper ->
{Sorted,SortedComponents} = sort_components(per,S,NewComponents),
{Sorted,TableCInf,SortedComponents};
_ ->
@@ -5765,7 +5774,7 @@ sort_universal_type(Components) ->
decode_type(I) when is_integer(I) ->
I;
decode_type(T) ->
- asn1ct_gen_ber:decode_type(T).
+ asn1ct_gen_ber_bin_v2:decode_type(T).
untagged_choice(_S,[#'ComponentType'{typespec=#type{tag=[],def={'CHOICE',_}}}|_Rest]) ->
true;
@@ -6884,16 +6893,16 @@ get_taglist(S,{ObjCl,FieldNameList}) when is_record(ObjCl,objectclass),
{TypeFieldName,_} when is_atom(TypeFieldName) -> []%should check if allowed
end;
get_taglist(S,Def) ->
- case lists:member(S#state.erule,[ber_bin_v2]) of
- false ->
+ case S#state.erule of
+ ber ->
+ [];
+ _ ->
case Def of
'ASN1_OPEN_TYPE' -> % open_type has no UNIVERSAL tag as such
[];
_ ->
[asn1ct_gen:def_to_tag(Def)]
- end;
- _ ->
- []
+ end
end.
get_taglist1(S,[#'ComponentType'{name=_Cname,tags=TagL}|Rest]) when is_list(TagL) ->
diff --git a/lib/asn1/src/asn1ct_constructed_ber.erl b/lib/asn1/src/asn1ct_constructed_ber.erl
deleted file mode 100644
index 360de77663..0000000000
--- a/lib/asn1/src/asn1ct_constructed_ber.erl
+++ /dev/null
@@ -1,1596 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1997-2011. All Rights Reserved.
-%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%%
-%% %CopyrightEnd%
-%%
-%%
--module(asn1ct_constructed_ber).
-
--export([gen_encode_sequence/3]).
--export([gen_decode_sequence/3]).
--export([gen_encode_set/3]).
--export([gen_decode_set/3]).
--export([gen_encode_sof/4]).
--export([gen_decode_sof/4]).
--export([gen_encode_choice/3]).
--export([gen_decode_choice/3]).
-
-%%%% Application internal exports
--export([match_tag/2]).
-
--include("asn1_records.hrl").
-
--import(asn1ct_gen, [emit/1,demit/1,get_record_name_prefix/0]).
-
-% the encoding of class of tag bits 8 and 7
--define(UNIVERSAL, 0).
--define(APPLICATION, 16#40).
--define(CONTEXT, 16#80).
--define(PRIVATE, 16#C0).
-
-% primitive or constructed encoding % bit 6
--define(PRIMITIVE, 0).
--define(CONSTRUCTED, 2#00100000).
-
-
-
-
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-%% Encode/decode SEQUENCE
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-
-gen_encode_sequence(Erules,Typename,D) when is_record(D,type) ->
- asn1ct_name:start(),
- asn1ct_name:new(term),
- asn1ct_name:new(bytes),
-
- %% if EXTERNAL type the input value must be transformed to
- %% ASN1 1990 format
- case Typename of
- ['EXTERNAL'] ->
- emit([" NewVal = asn1rt_check:transform_to_EXTERNAL1990(Val),",
- nl]);
- _ ->
- ok
- end,
-
- {SeqOrSet,TableConsInfo,CompList0} =
- case D#type.def of
- #'SEQUENCE'{tablecinf=TCI,components=CL} ->
- {'SEQUENCE',TCI,CL};
- #'SET'{tablecinf=TCI,components=CL} ->
- {'SET',TCI,CL}
- end,
- %% filter away extensionAdditiongroup markers
- CompList = filter_complist(CompList0),
- Ext = extensible(CompList),
- CompList1 = case CompList of
- {Rl1,El,Rl2} -> Rl1 ++ El ++ Rl2;
- {Rl,El} -> Rl ++ El;
- _ -> CompList
- end,
- EncObj =
- case TableConsInfo of
- #simpletableattributes{usedclassfield=Used,
- uniqueclassfield=Unique} when Used /= Unique ->
- false;
- %% ObjectSetRef, name of the object set in constraints
- %%
- %%{ObjectSetRef,AttrN,N,UniqueFieldName}
- #simpletableattributes{objectsetname=ObjectSetRef,
- c_name=AttrN,
- c_index=N,
- usedclassfield=UniqueFieldName,
- uniqueclassfield=UniqueFieldName,
- valueindex=ValueIndex
- } ->
- OSDef =
- case ObjectSetRef of
- {Module,OSName} ->
- asn1_db:dbget(Module,OSName);
- OSName ->
- asn1_db:dbget(get(currmod),OSName)
- end,
-% io:format("currmod: ~p~nOSName: ~p~nAttrN: ~p~nN: ~p~nUniqueFieldName: ~p~n",
-% [get(currmod),OSName,AttrN,N,UniqueFieldName]),
- case (OSDef#typedef.typespec)#'ObjectSet'.gen of
- true ->
-% Val = lists:concat(["?RT_BER:cindex(",
-% N+1,",Val,"]),
- ObjectEncode =
- asn1ct_gen:un_hyphen_var(lists:concat(['Obj',
- AttrN])),
- emit({ObjectEncode," = ",nl}),
- {ObjSetMod,ObjSetName} =
- case ObjectSetRef of
- {M,O} ->
- {{asis,M},O};
- O ->
- {"?MODULE",O}
- end,
- emit({" ",ObjSetMod,":'getenc_",ObjSetName,"'(",{asis,UniqueFieldName},
- ", ",nl}),
-% emit({indent(35),"?RT_BER:cindex(",N+1,", Val,",
-% {asis,AttrN},")),",nl}),
- Length = fun(X,_LFun) when is_atom(X) ->
- length(atom_to_list(X));
- (X,_LFun) when is_list(X) ->
- length(X);
- ({X1,X2},LFun) ->
- LFun(X1,LFun) + LFun(X2,LFun)
- end,
- emit([indent(10+Length(ObjectSetRef,Length)),
- "value_match(",{asis,ValueIndex},",",
- "?RT_BER:cindex(",N+1,",Val,",
- {asis,AttrN},"))),",nl]),
- notice_value_match(),
- {AttrN,ObjectEncode};
- _ ->
- false
- end;
- _ ->
- case D#type.tablecinf of
- [{objfun,_}|_] ->
- %% when the simpletableattributes was at an
- %% outer level and the objfun has been passed
- %% through the function call
- {"got objfun through args","ObjFun"};
- _ ->
- false
- end
- end,
-
- gen_enc_sequence_call(Erules,Typename,CompList1,1,Ext,EncObj),
-
- MyTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- D#type.tag]
- ++
- [#tag{class = asn1ct_gen_ber:decode_class('UNIVERSAL'),
- number = asn1ct_gen_ber:decode_type(SeqOrSet),
- form = ?CONSTRUCTED,
- type = 'IMPLICIT'}],
- emit([nl," BytesSoFar = "]),
- case SeqOrSet of
- 'SET' when (D#type.def)#'SET'.sorted == dynamic ->
- emit("asn1rt_check:dynamicsort_SET_components(["),
- mkvlist(asn1ct_name:all(encBytes)),
- emit(["]),",nl]);
- _ ->
- emit("["),
- mkvlist(asn1ct_name:all(encBytes)),
- emit(["],",nl])
- end,
- emit(" LenSoFar = "),
- case asn1ct_name:all(encLen) of
- [] -> emit("0");
- AllLengths ->
- mkvplus(AllLengths)
- end,
- emit([",",nl]),
-% emit(["{TagBytes,Len} = ?RT_BER:encode_tags(TagIn ++ ",
- emit([" ?RT_BER:encode_tags(TagIn ++ ",
- {asis,MyTag},", BytesSoFar, LenSoFar).",nl]).
-
-
-gen_decode_sequence(Erules,Typename,D) when is_record(D,type) ->
- asn1ct_name:start(),
- asn1ct_name:new(tag),
- #'SEQUENCE'{tablecinf=TableConsInfo,components=CList0} = D#type.def,
-
- %% filter away extensionAdditiongroup markers
- CList = filter_complist(CList0),
-
- Ext = extensible(CList),
- {CompList,CompList2} = case CList of
- {Rl1,El,Rl2} -> {Rl1 ++ El ++ Rl2,CList};
- {Rl,El} -> {Rl ++ El, Rl ++ El};
- _ -> {CList,CList}
- end,
-
- emit([" %%-------------------------------------------------",nl]),
- emit([" %% decode tag and length ",nl]),
- emit([" %%-------------------------------------------------",nl]),
-
- asn1ct_name:new(rb),
- MyTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- D#type.tag]
- ++
- [#tag{class = asn1ct_gen_ber:decode_class('UNIVERSAL'),
- number = asn1ct_gen_ber:decode_type('SEQUENCE'),
- form = ?CONSTRUCTED,
- type = 'IMPLICIT'}],
- emit([" {{_,",asn1ct_gen_ber:unused_var("Len",D#type.def),"},",{next,bytes},",",{curr,rb},
- "} = ?RT_BER:check_tags(TagIn ++ ",{asis,MyTag},", ",
- {curr,bytes},", OptOrMand), ",nl]),
- asn1ct_name:new(bytes),
- asn1ct_name:new(len),
-
- case CompList of
- [] -> true;
- _ ->
- emit({"{",{next,bytes},
- ",RemBytes} = ?RT_BER:split_list(",
- {curr,bytes},
- ",", {prev,len},"),",nl}),
- asn1ct_name:new(bytes)
- end,
-
- {DecObjInf,UniqueFName,ValueIndex} =
- case TableConsInfo of
- #simpletableattributes{objectsetname=ObjectSet,
- c_name=AttrN,
- usedclassfield=UniqueFieldName,
- uniqueclassfield=UniqueFieldName,
- valueindex=ValIndex
- } ->
- F = fun(#'ComponentType'{typespec=CT})->
- case {asn1ct_gen:get_constraint(CT#type.constraint,componentrelation),CT#type.tablecinf} of
-% case {CT#type.constraint,CT#type.tablecinf} of
- {no,[{objfun,_}|_R]} -> true;
- _ -> false
- end
- end,
- case lists:any(F,CompList) of
- %%AttributeName = asn1ct_gen:un_hyphen_var(AttrN),
- true -> % when component relation constraint establish
- %% relation from a component to another components
- %% subtype component
- {{AttrN,{deep,ObjectSet,UniqueFieldName,
- ValIndex}},
- UniqueFieldName,ValIndex};
- false ->
- {{AttrN,ObjectSet},UniqueFieldName,ValIndex}
- end;
- _ ->
- {false,false,false}
- end,
- RecordName = lists:concat([get_record_name_prefix(),asn1ct_gen:list2rname(Typename)]),
- case gen_dec_sequence_call(Erules,Typename,CompList2,Ext,DecObjInf) of
- no_terms -> % an empty sequence
- emit([nl,nl]),
- demit({"Result = "}), %dbg
- %% return value as record
- asn1ct_name:new(rb),
- emit([" {{'",RecordName,"'}, ",{curr,bytes},",",nl," "]),
- asn1ct_gen_ber:add_removed_bytes(),
- emit(["}.",nl]);
- {LeadingAttrTerm,PostponedDecArgs} ->
- emit([com,nl,nl]),
- case {LeadingAttrTerm,PostponedDecArgs} of
- {[],[]} ->
- ok;
- {_,[]} ->
- ok;
- {[{ObjSet,LeadingAttr,Term}],PostponedDecArgs} ->
- DecObj = asn1ct_gen:un_hyphen_var(lists:concat(['DecObj',LeadingAttr,Term])),
- ValueMatch = value_match(ValueIndex,Term),
- {ObjSetMod,ObjSetName} =
- case ObjSet of
- {M,O} ->
- {{asis,M},O};
- _ ->
- {"?MODULE",ObjSet}
- end,
- emit([DecObj," =",nl," ",ObjSetMod,":'getdec_",ObjSetName,"'(",
-% {asis,UniqueFName},", ",Term,"),",nl}),
- {asis,UniqueFName},", ",ValueMatch,"),",nl]),
- gen_dec_postponed_decs(DecObj,PostponedDecArgs)
- end,
- demit({"Result = "}), %dbg
- %% return value as record
- asn1ct_name:new(rb),
- asn1ct_name:new(bytes),
- ExtStatus = case Ext of
- {ext,_,_} -> ext;
- _ -> noext % noext | extensible
- end,
- emit([" {",{next,bytes},",",{curr,rb},"} = ?RT_BER:restbytes2(RemBytes, ",
- {curr,bytes},",",ExtStatus,"),",nl]),
- asn1ct_name:new(rb),
- case Typename of
- ['EXTERNAL'] ->
- emit([" OldFormat={'",RecordName,
- "', "]),
- mkvlist(asn1ct_name:all(term)),
- emit(["},",nl]),
- emit([" ASN11994Format =",nl,
- " asn1rt_check:transform_to_EXTERNAL1994",
- "(OldFormat),",nl]),
- emit([" {ASN11994Format,",{next,bytes},", "]);
- _ ->
- emit([" {{'",RecordName,"', "]),
- mkvlist(asn1ct_name:all(term)),
- emit(["}, ",{next,bytes},", "])
- end,
- asn1ct_gen_ber:add_removed_bytes(),
- emit(["}.",nl])
- end.
-
-gen_dec_postponed_decs(_,[]) ->
- emit(nl);
-gen_dec_postponed_decs(DecObj,[{_Cname,{FirstPFN,PFNList},Term,TmpTerm,_Tag,OptOrMand}|Rest]) ->
-% asn1ct_name:new(term),
- asn1ct_name:new(tmpterm),
- asn1ct_name:new(reason),
-
- emit({"{",Term,", _, _} = ",nl}),
- N = case OptOrMand of
- mandatory -> 0;
- 'OPTIONAL' ->
- emit_opt_or_mand_check(asn1_NOVALUE,TmpTerm),
- 6;
- {'DEFAULT',Val} ->
- emit_opt_or_mand_check(Val,TmpTerm),
- 6
- end,
- emit({indent(N+3),"case (catch ",DecObj,"(",{asis,FirstPFN},
-% ", ",TmpTerm,", ", {asis,Tag},", ",{asis,PFNList},")) of",nl}),
- ", ",TmpTerm,", [], ",{asis,PFNList},")) of",nl}),
- emit({indent(N+6),"{'EXIT', ",{curr,reason},"} ->",nl}),
- emit({indent(N+9),"exit({'Type not compatible with table constraint',",
- {curr,reason},"});",nl}),
- emit({indent(N+6),{curr,tmpterm}," ->",nl}),
- emit({indent(N+9),{curr,tmpterm},nl}),
-
- case OptOrMand of
- mandatory -> emit([indent(N+3),"end,",nl]);
- _ ->
- emit([indent(N+3),"end",nl,
- indent(3),"end,",nl])
- end,
-% emit({indent(3),"end,",nl}),
- gen_dec_postponed_decs(DecObj,Rest).
-
-
-emit_opt_or_mand_check(Value,TmpTerm) ->
- emit([indent(3),"case ",TmpTerm," of",nl,
- indent(6),{asis,Value}," -> {",{asis,Value},",[],[]};",nl,
- indent(6),"_ ->",nl]).
-
-%%============================================================================
-%% Encode/decode SET
-%%
-%%============================================================================
-
-gen_encode_set(Erules,Typename,D) when is_record(D,type) ->
- gen_encode_sequence(Erules,Typename,D).
-
-gen_decode_set(Erules,Typename,D) when is_record(D,type) ->
- asn1ct_name:start(),
- asn1ct_name:clear(),
- asn1ct_name:new(term),
- asn1ct_name:new(tag),
- #'SET'{components=TCompList0} = D#type.def,
-
- %% filter away extensionAdditiongroup markers
- TCompList = filter_complist(TCompList0),
- Ext = extensible(TCompList),
- ToOptional = fun(mandatory) ->
- 'OPTIONAL';
- (X) -> X
- end,
- CompList = case TCompList of
- {Rl1,El,Rl2} ->
- Rl1 ++ [X#'ComponentType'{prop=ToOptional(Y)}||X = #'ComponentType'{prop=Y}<-El] ++ Rl2;
- {Rl,El} -> Rl ++ El;
- _ -> TCompList
- end,
-
- emit([" %%-------------------------------------------------",nl]),
- emit([" %% decode tag and length ",nl]),
- emit([" %%-------------------------------------------------",nl]),
-
- asn1ct_name:new(rb),
- MyTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- D#type.tag]
- ++
- [#tag{class = asn1ct_gen_ber:decode_class('UNIVERSAL'),
- number = asn1ct_gen_ber:decode_type('SET'),
- form = ?CONSTRUCTED,
- type = 'IMPLICIT'}],
- emit([" {{_,Len},",{next,bytes},",",{curr,rb},
- "} = ?RT_BER:check_tags(TagIn ++ ",{asis,MyTag},", ",
- {curr,bytes},", OptOrMand), ",nl]),
- asn1ct_name:new(bytes),
- asn1ct_name:new(len),
- asn1ct_name:new(rb),
-
- emit([" {SetTerm, SetBytes, ",{curr,rb},"} = ?RT_BER:decode_set(0, Len, ",
- {curr,bytes},", OptOrMand, ",
- "fun 'dec_",asn1ct_gen:list2name(Typename),"_fun'/2, []),",nl]),
-
- asn1ct_name:new(rb),
- {ExtFlatten1,ExtFlatten2} =
- case Ext of
- noext -> {"",""};
- _ -> {"lists:flatten(",")"}
- end,
- emit([" 'dec_",asn1ct_gen:list2name(Typename),
- "__result__'(lists:sort(",ExtFlatten1,"SetTerm",ExtFlatten2,"), SetBytes, "]),
- asn1ct_gen_ber:add_removed_bytes(),
- emit([").",nl,nl,nl]),
-
- emit({"%%-------------------------------------------------",nl}),
- emit({"%% Set loop fun for ",asn1ct_gen:list2name(Typename),nl}),
- emit({"%%-------------------------------------------------",nl}),
-
- asn1ct_name:clear(),
- asn1ct_name:new(term),
- emit(["'dec_",asn1ct_gen:list2name(Typename),"_fun'(",{curr,bytes},
- ", OptOrMand) ->",nl]),
-
- asn1ct_name:new(bytes),
- gen_dec_set(Erules,Typename,CompList,1,Ext),
-
- emit([" %% tag not found, if extensionmark we should skip bytes here",nl]),
- emit([indent(6),"_ -> ",nl]),
- case Ext of
- noext ->
- emit([indent(9),"{[], Bytes,0}",nl]);
- _ ->
- asn1ct_name:new(rbCho),
- emit([indent(9),"{RestBytes, ",{curr,rbCho},
- "} = ?RT_BER:skipvalue(Bytes),",nl,
- indent(9),"{[], RestBytes, ",{curr,rbCho},"}",nl])
- end,
- emit([indent(3),"end.",nl,nl,nl]),
-
-
- emit({"%%-------------------------------------------------",nl}),
- emit({"%% Result ",asn1ct_gen:list2name(Typename),nl}),
- emit({"%%-------------------------------------------------",nl}),
-
- asn1ct_name:clear(),
- emit({"'dec_",asn1ct_gen:list2name(Typename),"__result__'(",
- asn1ct_gen_ber:unused_var("TermList",D#type.def),", Bytes, Rb) ->",nl}),
- RecordName = lists:concat([get_record_name_prefix(),
- asn1ct_gen:list2rname(Typename)]),
- case gen_dec_set_result(Erules,Typename,CompList) of
- no_terms ->
- %% return value as record
- asn1ct_name:new(rb),
- emit({" {{'",RecordName,"'}, Bytes, Rb}.",nl});
- _ ->
- emit({nl," case ",{curr,termList}," of",nl}),
- emit({" [] -> {{'",RecordName,"', "}),
- mkvlist(asn1ct_name:all(term)),
- emit({"}, Bytes, Rb};",nl}),
- emit({" ExtraAtt -> exit({error,{asn1,{too_many_attributes, ExtraAtt}}})",nl}),
- emit({" end.",nl}),
- emit({nl,nl,nl})
- end.
-
-
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-%% Encode/decode SEQUENCE OF and SET OF
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-
-gen_encode_sof(Erules,Typename,_InnerTypename,D) when is_record(D,type) ->
- asn1ct_name:start(),
- {SeqOrSetOf, Cont} = D#type.def,
-
- Objfun = case D#type.tablecinf of
- [{objfun,_}|_R] ->
- ", ObjFun";
- _ ->
- ""
- end,
-
- emit({" {EncBytes,EncLen} = 'enc_",asn1ct_gen:list2name(Typename),
- "_components'(Val",Objfun,",[],0),",nl}),
-
- MyTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- D#type.tag]
- ++
- [#tag{class = asn1ct_gen_ber:decode_class('UNIVERSAL'),
- number = asn1ct_gen_ber:decode_type(SeqOrSetOf),
- form = ?CONSTRUCTED,
- type = 'IMPLICIT'}],
-% gen_encode_tags(Erules,MyTag,"EncLen","EncBytes"),
- emit([" ?RT_BER:encode_tags(TagIn ++ ",
- {asis,MyTag},", EncBytes, EncLen).",nl,nl]),
-
- gen_encode_sof_components(Erules,Typename,SeqOrSetOf,Cont).
-% gen_enc_line(Erules,Typename,TypeNameSuffix,Cont,"H",0,
-% mandatory,"{EncBytes,EncLen} = "),
-
-
-gen_decode_sof(Erules,Typename,_InnerTypename,D) when is_record(D,type) ->
- asn1ct_name:start(),
- asn1ct_name:clear(),
- {SeqOrSetOf, TypeTag, Cont} =
- case D#type.def of
- {'SET OF',_Cont} -> {'SET OF','SET',_Cont};
- {'SEQUENCE OF',_Cont} -> {'SEQUENCE OF','SEQUENCE',_Cont}
- end,
- TypeNameSuffix = asn1ct_gen:constructed_suffix(SeqOrSetOf,Cont#type.def),
-
- emit({" %%-------------------------------------------------",nl}),
- emit({" %% decode tag and length ",nl}),
- emit({" %%-------------------------------------------------",nl}),
-
- asn1ct_name:new(rb),
- MyTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- D#type.tag]
- ++
- [#tag{class = asn1ct_gen_ber:decode_class('UNIVERSAL'),
- number = asn1ct_gen_ber:decode_type(TypeTag),
- form = ?CONSTRUCTED,
- type = 'IMPLICIT'}],
- emit([" {{_,Len},",{next,bytes},",",{curr,rb},
- "} = ?RT_BER:check_tags(TagIn ++ ",{asis,MyTag},", ",
- {curr,bytes},", OptOrMand), ",nl]),
-
- emit([" ?RT_BER:decode_components(",{curr,rb}]),
- InnerType = asn1ct_gen:get_inner(Cont#type.def),
- ContName = case asn1ct_gen:type(InnerType) of
- Atom when is_atom(Atom) -> Atom;
- _ -> TypeNameSuffix
- end,
- emit([", Len, ",{next,bytes},", "]),
-% NewCont =
-% case Cont#type.def of
-% {'ENUMERATED',_,Components}->
-% Cont#type{def={'ENUMERATED',Components}};
-% _ -> Cont
-% end,
- ObjFun =
- case D#type.tablecinf of
- [{objfun,_}|_R] ->
- ", ObjFun";
- _ ->
- []
- end,
- gen_dec_line_sof(Erules,Typename,ContName,Cont,ObjFun),
- emit([", []).",nl,nl,nl]).
-
-
-gen_encode_sof_components(Erules,Typename,SeqOrSetOf,Cont)
- when is_record(Cont,type)->
-
- {Objfun,ObjFun_novar,EncObj} =
- case Cont#type.tablecinf of
- [{objfun,_}|_R] ->
- {", ObjFun",", _",{no_attr,"ObjFun"}};
- _ ->
- {"","",false}
- end,
- emit(["'enc_",asn1ct_gen:list2name(Typename),
- "_components'([]",ObjFun_novar,", AccBytes, AccLen) -> ",nl]),
-
- case catch lists:member(der,get(encoding_options)) of
- true when SeqOrSetOf=='SET OF' ->
- emit([indent(3),
- "{asn1rt_check:dynamicsort_SETOF(AccBytes),AccLen};",nl,nl]);
- _ ->
- emit([indent(3),"{lists:reverse(AccBytes),AccLen};",nl,nl])
- end,
- emit(["'enc_",asn1ct_gen:list2name(Typename),
- "_components'([H|T]",Objfun,",AccBytes, AccLen) ->",nl]),
- TypeNameSuffix = asn1ct_gen:constructed_suffix(SeqOrSetOf,Cont#type.def),
- gen_enc_line(Erules,Typename,TypeNameSuffix,Cont,"H",3,
-% mandatory,"{EncBytes,EncLen} = ",EncObj),
- mandatory,EncObj),
- emit([",",nl]),
- emit([indent(3),"'enc_",asn1ct_gen:list2name(Typename),
- "_components'(T",Objfun,","]),
- emit(["[EncBytes|AccBytes], AccLen + EncLen).",nl,nl]).
-
-%%============================================================================
-%% Encode/decode CHOICE
-%%
-%%============================================================================
-
-gen_encode_choice(Erules,Typename,D) when is_record(D,type) ->
- ChoiceTag = D#type.tag,
- {'CHOICE',CompList} = D#type.def,
- Ext = extensible(CompList),
- CompList1 = case CompList of
- {Rl1,El,Rl2} -> Rl1 ++ El ++ Rl2;
- {Rl,El} -> Rl ++ El;
- _ -> CompList
- end,
- gen_enc_choice(Erules,Typename,ChoiceTag,CompList1,Ext),
- emit({nl,nl}).
-
-gen_decode_choice(Erules,Typename,D) when is_record(D,type) ->
- asn1ct_name:start(),
- asn1ct_name:new(bytes),
- ChoiceTag = D#type.tag,
- {'CHOICE',CompList} = D#type.def,
- Ext = extensible(CompList),
- CompList1 = case CompList of
- {Rl1,El,Rl2} -> Rl1 ++ El ++Rl2;
- {Rl,El} -> Rl ++ El;
- _ -> CompList
- end,
- gen_dec_choice(Erules,Typename,ChoiceTag,CompList1,Ext),
- emit({".",nl}).
-
-
-%%============================================================================
-%% Encode SEQUENCE
-%%
-%%============================================================================
-
-gen_enc_sequence_call(Erules,TopType,[#'ComponentType'{name=Cname,typespec=Type,prop=Prop,textual_order=Order}|Rest],Pos,Ext,EncObj) ->
- asn1ct_name:new(encBytes),
- asn1ct_name:new(encLen),
- CindexPos =
- case Order of
- undefined ->
- Pos;
- _ -> Order % der
- end,
- Element =
- case TopType of
- ['EXTERNAL'] ->
- io_lib:format("?RT_BER:cindex(~w,NewVal,~w)",[CindexPos+1,Cname]);
- _ ->
- io_lib:format("?RT_BER:cindex(~w,Val,~w)",[CindexPos+1,Cname])
- end,
- InnerType = asn1ct_gen:get_inner(Type#type.def),
- print_attribute_comment(InnerType,Pos,Prop),
- gen_enc_line(Erules,TopType,Cname,Type,Element,3,Prop,EncObj),
- case Rest of
- [] ->
- emit({com,nl});
- _ ->
- emit({com,nl}),
- gen_enc_sequence_call(Erules,TopType,Rest,Pos+1,Ext,EncObj)
- end;
-
-gen_enc_sequence_call(_Erules,_TopType,[],_Num,_,_) ->
- true.
-
-%%============================================================================
-%% Decode SEQUENCE
-%%
-%%============================================================================
-
-gen_dec_sequence_call(Erules,TopType,CompList,Ext,DecObjInf)
- when is_list(CompList) ->
- gen_dec_sequence_call1(Erules,TopType, CompList, 1, Ext,DecObjInf,[],[]);
-gen_dec_sequence_call(Erules,TopType,CList,Ext,DecObjInf) ->
- gen_dec_sequence_call2(Erules,TopType,CList,Ext,DecObjInf).
-
-gen_dec_sequence_call1(Erules,TopType,[#'ComponentType'{name=Cname,typespec=Type,prop=Prop,tags=Tags}|Rest],Num,Ext,DecObjInf,LeadingAttrAcc,ArgsAcc) ->
- {LA,PostponedDec} =
- gen_dec_component(Erules,TopType,Cname,Tags,Type,Num,Prop,
- Ext,DecObjInf),
- case Rest of
- [] ->
- {LA ++ LeadingAttrAcc,PostponedDec ++ ArgsAcc};
- _ ->
- emit({com,nl}),
-% asn1ct_name:new(term),
- asn1ct_name:new(bytes),
- gen_dec_sequence_call1(Erules,TopType,Rest,Num+1,Ext,DecObjInf,
- LA++LeadingAttrAcc,PostponedDec++ArgsAcc)
- end;
-
-gen_dec_sequence_call1(_Erules,_TopType,[],1,_,_,_,_) ->
- no_terms.
-
-gen_dec_sequence_call2(_Erules,_TopType,{[],[],[]},_Ext,_DecObjInf) ->
- no_terms;
-gen_dec_sequence_call2(Erules,TopType,{Root1,EList,Root2},_Ext,DecObjInf) ->
- {LA,ArgsAcc} =
- case gen_dec_sequence_call1(Erules,TopType,Root1++EList,1,
- extensible({Root1,EList}),DecObjInf,[],[]) of
- no_terms ->
- {[],[]};
- Res -> Res
- end,
- %% TagList is the tags of Root2 elements from the first up to and
- %% including the first mandatory element.
- TagList = get_root2_taglist(Root2,[]),
- emit({com,nl}),
- asn1ct_name:new(bytes),
- emit([" {",{next,bytes},", ",{next,rb},
- "} = ?RT_BER:skip_ExtensionAdditions(",
- {curr,bytes},", ",{asis,TagList},"),",nl]),
- asn1ct_name:new(rb),
- asn1ct_name:new(bytes),
- gen_dec_sequence_call1(Erules,TopType,Root2,
- length(Root1)+length(EList),noext,
- DecObjInf,LA,ArgsAcc).
-
-%% returns a list of tags of the elements in the component (second
-%% root) list up to and including the first mandatory tag. See 24.6 in
-%% X.680 (7/2002)
-get_root2_taglist([],Acc) ->
- lists:reverse(Acc);
-get_root2_taglist([#'ComponentType'{prop=Prop,typespec=Type}|Rest],Acc) ->
- FirstTag = fun([])->[];
- ([H|_T])->H#tag{class=asn1ct_gen_ber:decode_class(H#tag.class)}
- end(Type#type.tag),
- case Prop of
- mandatory ->
- %% match_tags/ may be used
- %% this is the last tag of interest -> return
- lists:reverse([FirstTag|Acc]);
- _ ->
- get_root2_taglist(Rest,[FirstTag|Acc])
- end.
-
-
-%%----------------------------
-%%SEQUENCE mandatory
-%%----------------------------
-
-gen_dec_component(Erules,TopType,Cname,CTags,Type,Pos,Prop,Ext,DecObjInf) ->
- InnerType =
- case Type#type.def of
- #'ObjectClassFieldType'{type=OCFTType} -> OCFTType;
- _ -> asn1ct_gen:get_inner(Type#type.def)
- end,
-
- Prop1 = case {Prop,Ext} of
- {_,{ext,Epos,_Root2pos}} when Pos < Epos ->
- Prop;
- {mandatory,{ext,Epos,_}} when Pos >= Epos ->
- 'OPTIONAL';
- _ ->
- Prop
- end,
- print_attribute_comment(InnerType,Pos,Prop1),
- emit(" "),
-
- case {InnerType,DecObjInf} of
- {{typefield,_},NotFalse} when NotFalse /= false ->
- asn1ct_name:new(term),
- asn1ct_name:new(tmpterm),
- emit({"{",{curr,tmpterm},", ",{next,bytes},",",{next,rb},"} = "});
- {{objectfield,_,_},_} ->
- asn1ct_name:new(term),
- asn1ct_name:new(tmpterm),
- emit({"{",{curr,tmpterm},", ",{next,bytes},",",{next,rb},"} = "});
- _ ->
- asn1ct_name:new(term),
- emit({"{",{curr,term},",",{next,bytes},",",{next,rb},"} = "})
- end,
- asn1ct_name:new(rb),
- PostponedDec =
- gen_dec_line(Erules,TopType,Cname,CTags,Type,Prop1,DecObjInf),
- asn1ct_name:new(form),
- PostponedDec.
-
-
-%%-------------------------------------
-%% Decode SET
-%%-------------------------------------
-
-gen_dec_set(Erules,TopType,CompList,Pos,Ext) ->
- ExtCatch = case Ext of
- noext ->"";
- _ -> " catch"
- end,
- TagList = get_all_choice_tags(CompList),
- emit({indent(3),
- {curr,tagList}," = ",{asis,TagList},",",nl}),
- emit({indent(3),
- "case",ExtCatch," ?RT_BER:check_if_valid_tag(Bytes, ",
- {curr,tagList},", OptOrMand) of",nl}),
- asn1ct_name:new(tagList),
- asn1ct_name:new(rbCho),
- asn1ct_name:new(choTags),
- gen_dec_set_cases(Erules,TopType,CompList,TagList,Pos),
- asn1ct_name:new(tag),
- asn1ct_name:new(bytes).
-
-
-
-gen_dec_set_cases(_,_,[],_,_) ->
- ok;
-gen_dec_set_cases(Erules,TopType,[H|T],List,Pos) ->
- Name = H#'ComponentType'.name,
- Type = H#'ComponentType'.typespec,
-
- emit({indent(6),"'",Name,"' ->",nl}),
- case Type#type.def of
- {'CHOICE',_NewCompList} ->
- gen_dec_set_cases_choice(Erules,TopType,H,Pos);
- _ ->
- gen_dec_set_cases_type(Erules,TopType,H,Pos)
- end,
- gen_dec_set_cases(Erules,TopType,T,List,Pos+1).
-
-
-
-gen_dec_set_cases_choice(_Erules,TopType,H,Pos) ->
- Cname = H#'ComponentType'.name,
- Tag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}
- || X <- (H#'ComponentType'.typespec)#type.tag],
- asn1ct_name:new(rbCho),
- emit({indent(9),"{Dec, Rest, ",{curr,rbCho},"} = "}),
- emit({"'dec_",asn1ct_gen:list2name([Cname|TopType]),
- "'(Bytes,OptOrMand,",{asis,Tag},"),",nl}),
- emit([" {{",Pos,",Dec}, Rest, ",{curr,rbCho},"}"]),
- emit([";",nl,nl]).
-
-
-gen_dec_set_cases_type(Erules,TopType,H,Pos) ->
- Cname = H#'ComponentType'.name,
- Type = H#'ComponentType'.typespec,
- %% always use Prop = mandatory here Prop = H#'ComponentType'.prop,
-
- asn1ct_name:new(rbCho),
- emit({indent(9),"{Dec, Rest, ",{curr,rbCho},"} = "}),
- asn1ct_name:delete(bytes),
- %% we have already seen the tag so now we must find the value
- %% that why we always use 'mandatory' here
- gen_dec_line(Erules,TopType,Cname,[],Type,mandatory,decObjInf),
- asn1ct_name:new(bytes),
-
- emit([",",nl]),
- emit(["{{",Pos,",Dec}, Rest, ",{curr,rbCho},"}"]),
- emit([";",nl,nl]).
-
-
-%%---------------------------------
-%% Decode SET result
-%%---------------------------------
-
-gen_dec_set_result(Erules,TopType,CompList) ->
- gen_dec_set_result1(Erules,TopType, CompList, 1).
-
-gen_dec_set_result1(Erules,TopType,
- [#'ComponentType'{name=Cname,
- typespec=Type,
- prop=Prop}|Rest],Num) ->
- gen_dec_set_component(Erules,TopType,Cname,Type,Num,Prop),
- case Rest of
- [] ->
- true;
- _ ->
- gen_dec_set_result1(Erules,TopType,Rest,Num+1)
- end;
-
-gen_dec_set_result1(_Erules,_TopType,[],1) ->
- no_terms;
-gen_dec_set_result1(_Erules,_TopType,[],_Num) ->
- true.
-
-
-gen_dec_set_component(_Erules,_TopType,_Cname,Type,Pos,Prop) ->
- InnerType = asn1ct_gen:get_inner(Type#type.def),
- print_attribute_comment(InnerType,Pos,Prop),
- emit({" {",{next,term},com,{next,termList},"} =",nl}),
- emit({" case ",{curr,termList}," of",nl}),
- emit({" [{",Pos,com,{curr,termTmp},"}|",
- {curr,rest},"] -> "}),
- emit({"{",{curr,termTmp},com,
- {curr,rest},"};",nl}),
- case Prop of
- 'OPTIONAL' ->
- emit([indent(10),"_ -> {asn1_NOVALUE, ",{curr,termList},"}",nl]);
- {'DEFAULT', DefVal} ->
- emit([indent(10),
- "_ -> {",{asis,DefVal},", ",{curr,termList},"}",nl]);
- mandatory ->
- emit([indent(10),
- "_ -> exit({error,{asn1,{mandatory_attribute_no, ",
- Pos,", missing}}})",nl])
- end,
- emit([indent(6),"end,",nl]),
- asn1ct_name:new(rest),
- asn1ct_name:new(term),
- asn1ct_name:new(termList),
- asn1ct_name:new(termTmp).
-
-
-%%---------------------------------------------
-%% Encode CHOICE
-%%---------------------------------------------
-%% for BER we currently do care (a little) if the choice has an EXTENSIONMARKER
-
-
-gen_enc_choice(Erules,TopType,Tag,CompList,_Ext) ->
- gen_enc_choice1(Erules,TopType,Tag,CompList,_Ext).
-
-gen_enc_choice1(Erules,TopType,Tag,CompList,_Ext) ->
- asn1ct_name:clear(),
- emit({" {EncBytes,EncLen} = case element(1,Val) of",nl}),
- gen_enc_choice2(Erules,TopType,CompList),
- emit([nl," end,",nl,nl]),
- NewTag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- Tag],
-% gen_encode_tags(Erules,NewTag,"EncLen","EncBytes").
- emit(["?RT_BER:encode_tags(TagIn ++",{asis,NewTag},", EncBytes, EncLen).",nl]).
-
-
-
-gen_enc_choice2(Erules,TopType,[H1|T]) when is_record(H1,'ComponentType') ->
- Cname = H1#'ComponentType'.name,
- Type = H1#'ComponentType'.typespec,
- emit({" ",{asis,Cname}," ->",nl}),
- {Encobj,Assign} =
-% case asn1ct_gen:get_constraint(Type#type.constraint,
-% tableconstraint_info) of
- case {Type#type.def,asn1ct_gen:get_constraint(Type#type.constraint,
- componentrelation)} of
- {#'ObjectClassFieldType'{},{componentrelation,_,_}} ->
- asn1ct_name:new(tmpBytes),
- asn1ct_name:new(encBytes),
- asn1ct_name:new(encLen),
- Emit = ["{",{curr,tmpBytes},", _} = "],
- {{no_attr,"ObjFun"},Emit};
- _ ->
- case Type#type.tablecinf of
- [{objfun,_}] -> {{no_attr,"ObjFun"},[]};
- _-> {false,[]}
- end
- end,
- gen_enc_line(Erules,TopType,Cname,Type,"element(2,Val)",9,
- mandatory,Assign,Encobj),
- case {Type#type.def,Encobj} of
- {#'ObjectClassFieldType'{},{no_attr,"ObjFun"}} ->
- emit({",",nl,indent(9),"{",{curr,encBytes},", ",
- {curr,encLen},"}"});
- _ -> ok
- end,
- emit({";",nl}),
- case T of
- [] ->
- emit([indent(6), "Else -> ",nl,
- indent(9),"exit({error,{asn1,{invalid_choice_type,Else}}})"]);
- _ ->
- true
- end,
- gen_enc_choice2(Erules,TopType,T);
-
-gen_enc_choice2(_,_,[]) ->
- true.
-
-
-
-
-%%--------------------------------------------
-%% Decode CHOICE
-%%--------------------------------------------
-
-gen_dec_choice(Erules,TopType, ChTag, CompList, Ext) ->
- asn1ct_name:delete(bytes),
- Tags = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}|| X <- ChTag],
-
- emit([" {{_,Len},",{next,bytes},
- ", RbExp} = ?RT_BER:check_tags(TagIn++",
- {asis,Tags},", ",
- {curr,bytes},", OptOrMand),",nl]),
- asn1ct_name:new(bytes),
- asn1ct_name:new(len),
- gen_dec_choice_indef_funs(Erules),
- case Erules of
- ber_bin ->
- emit([indent(3),"case ",{curr,bytes}," of",nl]);
- ber ->
- emit([indent(3),
- "case (catch ?RT_BER:peek_tag(",{curr,bytes},")) of",nl])
- end,
- asn1ct_name:new(tagList),
- asn1ct_name:new(choTags),
- gen_dec_choice_cases(Erules,TopType,CompList),
- case Ext of
- noext ->
- emit([indent(6), {curr,else}," -> ",nl]),
- emit([indent(9),"case OptOrMand of",nl,
- indent(12),"mandatory ->","exit({error,{asn1,",
- "{invalid_choice_tag,",{curr,else},"}}});",nl,
- indent(12),"_ ->","exit({error,{asn1,{no_optional_tag,",
- {curr,else},"}}})",nl,
- indent(9),"end",nl]);
- _ ->
- emit([indent(6),"_ -> ",nl]),
- emit([indent(9),"{{asn1_ExtAlt,",{curr,bytes},"},",
- empty_lb(Erules),", RbExp}",nl])
- end,
- emit([indent(3),"end"]),
- asn1ct_name:new(tag),
- asn1ct_name:new(else).
-
-gen_dec_choice_indef_funs(Erules) ->
- emit({indent(3),"IndefEndBytes = fun(indefinite,",indefend_match(Erules,used_var),
- ")-> R; (_,B)-> B end,",nl}),
- emit({indent(3),"IndefEndRb = fun(indefinite,",indefend_match(Erules,unused_var),
- ")-> 2; (_,_)-> 0 end,",nl}).
-
-
-gen_dec_choice_cases(_,_, []) ->
- ok;
-gen_dec_choice_cases(Erules,TopType, [H|T]) ->
- asn1ct_name:push(rbCho),
- Name = H#'ComponentType'.name,
- emit([nl,"%% '",Name,"'",nl]),
- Fcases = fun([T1,T2|Tail],Fun) ->
- emit([indent(6),match_tag(Erules,T1)," ->",nl]),
- gen_dec_choice_cases_type(Erules,TopType, H),
- Fun([T2|Tail],Fun);
- ([T1],_) ->
- emit([indent(6),match_tag(Erules,T1)," ->",nl]),
- gen_dec_choice_cases_type(Erules,TopType, H)
- end,
- Fcases(H#'ComponentType'.tags,Fcases),
- asn1ct_name:pop(rbCho),
- gen_dec_choice_cases(Erules,TopType, T).
-
-
-
-gen_dec_choice_cases_type(Erules,TopType,H) ->
- Cname = H#'ComponentType'.name,
- Type = H#'ComponentType'.typespec,
- Prop = H#'ComponentType'.prop,
- emit({indent(9),"{Dec, Rest, ",{curr,rbCho},"} = "}),
- gen_dec_line(Erules,TopType,Cname,[],Type,Prop,false),
- emit([",",nl,indent(9),"{{",{asis,Cname},
- ", Dec}, IndefEndBytes(Len,Rest), RbExp + ",
- {curr,rbCho}," + IndefEndRb(Len,Rest)};",nl,nl]).
-
-encode_tag_val(Erules,{Class,TagNo}) when is_integer(TagNo) ->
- Rtmod = rtmod(Erules),
- Rtmod:encode_tag_val({asn1ct_gen_ber:decode_class(Class),
- 0,TagNo});
-encode_tag_val(Erules,{Class,TypeName}) ->
- Rtmod = rtmod(Erules),
- Rtmod:encode_tag_val({asn1ct_gen_ber:decode_class(Class),
- 0,asn1ct_gen_ber:decode_type(TypeName)}).
-
-
-match_tag(ber_bin,Arg) ->
- match_tag_with_bitsyntax(Arg);
-match_tag(Erules,Arg) ->
- io_lib:format("~p",[encode_tag_val(Erules,Arg)]).
-
-match_tag_with_bitsyntax({Class,TagNo}) when is_integer(TagNo) ->
- match_tag_with_bitsyntax1({asn1ct_gen_ber:decode_class(Class),
- 0,TagNo});
-match_tag_with_bitsyntax({Class,TypeName}) ->
- match_tag_with_bitsyntax1({asn1ct_gen_ber:decode_class(Class),
- 0,asn1ct_gen_ber:decode_type(TypeName)}).
-
-match_tag_with_bitsyntax1({Class, _Form, TagNo}) when (TagNo =< 30) ->
- io_lib:format("<<~p:2,_:1,~p:5,_/binary>>",[Class bsr 6,TagNo]);
-
-match_tag_with_bitsyntax1({Class, _Form, TagNo}) ->
- {Octets,Len} = mk_object_val(TagNo),
- OctForm = case Len of
- 1 -> "~p";
- 2 -> "~p,~p";
- 3 -> "~p,~p,~p";
- 4 -> "~p,~p,~p,~p"
- end,
- io_lib:format("<<~p:2,_:1,31:5," ++ OctForm ++ ",_/binary>>",
- [Class bsr 6] ++ Octets).
-
-%%%%%%%%%%%
-%% mk_object_val(Value) -> {OctetList, Len}
-%% returns a Val as a list of octets, the 8 bit is allways set to one except
-%% for the last octet, where its 0
-%%
-
-
-mk_object_val(Val) when Val =< 127 ->
- {[255 band Val], 1};
-mk_object_val(Val) ->
- mk_object_val(Val bsr 7, [Val band 127], 1).
-mk_object_val(0, Ack, Len) ->
- {Ack, Len};
-mk_object_val(Val, Ack, Len) ->
- mk_object_val(Val bsr 7, [((Val band 127) bor 128) | Ack], Len + 1).
-
-
-get_all_choice_tags(ComponentTypeList) ->
- get_all_choice_tags(ComponentTypeList,[]).
-
-get_all_choice_tags([],TagList) ->
- TagList;
-get_all_choice_tags([H|T],TagList) ->
- Tags = H#'ComponentType'.tags,
- get_all_choice_tags(T, TagList ++ [{H#'ComponentType'.name, Tags}]).
-
-
-
-%%---------------------------------------
-%% Generate the encode/decode code
-%%---------------------------------------
-
-gen_enc_line(Erules,TopType,Cname,
- Type=#type{constraint=C,
- def=#'ObjectClassFieldType'{type={typefield,_}}},
- Element,Indent,OptOrMand=mandatory,EncObj)
- when is_list(Element) ->
- case asn1ct_gen:get_constraint(C,componentrelation) of
- {componentrelation,_,_} ->
- asn1ct_name:new(tmpBytes),
- gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,
- ["{",{curr,tmpBytes},",_} = "],EncObj);
- _ ->
- gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,
- ["{",{curr,encBytes},",",{curr,encLen},"} = "],
- EncObj)
- end;
- gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,EncObj)
- when is_list(Element) ->
- gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,
- ["{",{curr,encBytes},",",{curr,encLen},"} = "],EncObj).
-
-gen_enc_line(Erules,TopType,Cname,Type,Element,Indent,OptOrMand,Assign,EncObj)
- when is_list(Element) ->
- IndDeep = indent(Indent),
-
- Tag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}
- || X <- Type#type.tag],
- InnerType = asn1ct_gen:get_inner(Type#type.def),
- WhatKind = asn1ct_gen:type(InnerType),
- emit(IndDeep),
- emit(Assign),
- gen_optormand_case(OptOrMand,Erules,TopType,Cname,Type,InnerType,WhatKind,
- Element),
- case {Type,asn1ct_gen:get_constraint(Type#type.constraint,
- componentrelation)} of
- {#type{def=#'ObjectClassFieldType'{type={typefield,_},
- fieldname=RefedFieldName}},
- {componentrelation,_,_}} ->
- {_LeadingAttrName,Fun} = EncObj,
- case RefedFieldName of
- {Name,RestFieldNames} when is_atom(Name),Name =/= notype ->
- case OptOrMand of
- mandatory -> ok;
- _ ->
- emit(["{",{curr,tmpBytes},", _} = "])
- end,
- emit({Fun,"(",{asis,Name},", ",Element,", [], ",
- {asis,RestFieldNames},"),",nl}),
- emit(IndDeep),
- case OptOrMand of
- mandatory ->
- emit({"{",{curr,encBytes},", ",{curr,encLen},"} = "}),
- emit({"?RT_BER:encode_open_type(",{curr,tmpBytes},
- ",",{asis,Tag},")"});
- _ ->
- emit({"{",{next,tmpBytes},", ",{curr,tmpLen},
- "} = "}),
- emit({"?RT_BER:encode_open_type(",{curr,tmpBytes},
- ",",{asis,Tag},"),",nl}),
- emit(IndDeep),
- emit({"{",{next,tmpBytes},", ",{curr,tmpLen},"}"})
- end;
- Err ->
- throw({asn1,{'internal error',Err}})
- end;
- _ ->
- case WhatKind of
- {primitive,bif} ->
- EncType =
- case Type#type.def of
- #'ObjectClassFieldType'{
- type={fixedtypevaluefield,
- _,Btype}} ->
- Btype;
- _ ->
- Type
- end,
- asn1ct_gen_ber:gen_encode_prim(ber,EncType,{asis,Tag},
- Element);
- 'ASN1_OPEN_TYPE' ->
- asn1ct_gen_ber:gen_encode_prim(ber,Type#type{def='ASN1_OPEN_TYPE'},{asis,Tag},Element);
- _ ->
- {EncFunName, _, _} =
- mkfuncname(TopType,Cname,WhatKind,enc),
- case {WhatKind,Type#type.tablecinf,EncObj} of
- {{constructed,bif},[{objfun,_}|_R],{_,Fun}} ->
- emit([EncFunName,"(",Element,", ",{asis,Tag},
- ", ",Fun,")"]);
- _ ->
- emit([EncFunName,"(",Element,", ",{asis,Tag},")"])
- end
- end
- end,
- case OptOrMand of
- mandatory -> true;
- _ ->
- emit({nl,indent(7),"end"})
- end.
-
-
-
-gen_optormand_case(mandatory,_,_,_,_,_,_, _) ->
- ok;
-gen_optormand_case('OPTIONAL',Erules,_,_,_,_,_,Element) ->
- emit({" case ",Element," of",nl}),
- emit({indent(9),"asn1_NOVALUE -> {",
- empty_lb(Erules),",0};",nl}),
- emit({indent(9),"_ ->",nl,indent(12)});
-gen_optormand_case({'DEFAULT',DefaultValue},Erules,TopType,Cname,Type,
- InnerType,WhatKind,Element) ->
- CurrMod = get(currmod),
- case catch lists:member(der,get(encoding_options)) of
- true ->
- emit(" case catch "),
- asn1ct_gen:gen_check_call(TopType,Cname,Type,InnerType,
- WhatKind,{asis,DefaultValue},
- Element),
- emit({" of",nl}),
- emit({indent(12),"true -> {[],0};",nl});
- _ ->
- emit({" case ",Element," of",nl}),
- emit({indent(9),"asn1_DEFAULT -> {",
- empty_lb(Erules),
- ",0};",nl}),
- case DefaultValue of
- #'Externalvaluereference'{module=CurrMod,
- value=V} ->
- emit({indent(9),"?",{asis,V}," -> {",
- empty_lb(Erules),",0};",nl});
- _ ->
- emit({indent(9),{asis,
- DefaultValue}," -> {",
- empty_lb(Erules),",0};",nl})
- end
- end,
- emit({indent(9),"_ ->",nl,indent(12)}).
-
-
-
-
-gen_dec_line_sof(Erules,TopType,Cname,Type,ObjFun) ->
-
- Tag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}
- || X <- Type#type.tag],
- InnerType = asn1ct_gen:get_inner(Type#type.def),
- WhatKind = asn1ct_gen:type(InnerType),
- case WhatKind of
- {primitive,bif} ->
- asn1ct_name:delete(len),
-
- asn1ct_name:new(len),
- emit(["fun(FBytes,_,_)->",nl]),
- EncType = case Type#type.def of
- #'ObjectClassFieldType'{
- type={fixedtypevaluefield,
- _,Btype}} ->
- Btype;
- _ ->
- Type
- end,
- asn1ct_gen_ber:gen_dec_prim(ber,EncType,"FBytes",Tag,
- [],no_length,?PRIMITIVE,
- mandatory),
- emit([nl,"end, []"]);
- _ ->
- case ObjFun of
- [] ->
- {DecFunName, _, _} =
- mkfunname(Erules,TopType,Cname,WhatKind,dec,3),
- emit([DecFunName,", ",{asis,Tag}]);
- _ ->
- {DecFunName, _, _} =
- mkfunname(Erules,TopType,Cname,WhatKind,dec,4),
- emit([DecFunName,", ",{asis,Tag},", ObjFun"])
- end
- end.
-
-
-gen_dec_line(Erules,TopType,Cname,CTags,Type,OptOrMand,DecObjInf) ->
- BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)),
- Tag = [X#tag{class=asn1ct_gen_ber:decode_class(X#tag.class)}
- || X <- Type#type.tag],
- InnerType =
- case Type#type.def of
- #'ObjectClassFieldType'{type=OCFTType} ->
- OCFTType;
- _ ->
- asn1ct_gen:get_inner(Type#type.def)
- end,
- PostpDec =
- case OptOrMand of
- mandatory ->
- gen_dec_call(InnerType,Erules,TopType,Cname,Type,
- BytesVar,Tag,mandatory,", mandatory, ",
- DecObjInf,OptOrMand);
- _ -> %optional or default
- case {CTags,Erules} of
- {[CTag],ber_bin} when CTag =/= [] -> % R9C-0.patch-34
- emit(["case ",{curr,bytes}," of",nl]),
- emit([match_tag(Erules,CTag)," ->",nl]),
- PostponedDec =
- gen_dec_call(InnerType,Erules,TopType,Cname,Type,
- BytesVar,Tag,mandatory,
- ", opt_or_default, ",DecObjInf,
- OptOrMand),
- emit([";",nl]),
- emit(["_ ->",nl]),
- case OptOrMand of
- {'DEFAULT', Def} ->
- emit(["{",{asis,Def},",",
- BytesVar,", 0 }",nl]);
- 'OPTIONAL' ->
- emit(["{ asn1_NOVALUE, ",
- BytesVar,", 0 }",nl])
- end,
- emit("end"),
- PostponedDec;
- _ ->
- emit("case (catch "),
- PostponedDec =
- gen_dec_call(InnerType,Erules,TopType,Cname,Type,
- BytesVar,Tag,OptOrMand,
- ", opt_or_default, ",DecObjInf,
- OptOrMand),
- emit([") of",nl]),
- case OptOrMand of
- {'DEFAULT', Def} ->
- emit(["{'EXIT',{error,{asn1,{no_optional_tag,_}}}}",
- " -> {",{asis,Def},",",
- BytesVar,", 0 };",nl]);
- 'OPTIONAL' ->
- emit(["{'EXIT',{error,{asn1,{no_optional_tag,_}}}}",
- " -> { asn1_NOVALUE, ",
- BytesVar,", 0 };",nl])
- end,
- asn1ct_name:new(casetmp),
- emit([{curr,casetmp},"-> ",{curr,casetmp},nl,"end"]),
- PostponedDec
- end
- end,
- case DecObjInf of
- {Cname,ObjSet} -> % this must be the component were an object is
- %% choosen from the object set according to the table
- %% constraint.
- ObjSetName = case ObjSet of
- {deep,OSName,_,_} ->
- OSName;
- _ -> ObjSet
- end,
- {[{ObjSetName,Cname,asn1ct_gen:mk_var(asn1ct_name:curr(term))}],
- PostpDec};
- _ -> {[],PostpDec}
- end.
-
-
-gen_dec_call({typefield,_},Erules,_,_,Type,_,Tag,_,_,false,_) ->
- %% this in case of a choice with typefield components
- asn1ct_name:new(reason),
- {FirstPFName,RestPFName} =
-% asn1ct_gen:get_constraint(Type#type.constraint,
-% tableconstraint_info),
- (Type#type.def)#'ObjectClassFieldType'.fieldname,
- emit([nl,indent(6),"begin",nl]),
- emit([indent(9),"{OpenDec,TmpRest,TmpRbCho} =",nl,indent(12),
- "?RT_BER:decode_open_type(",Erules,",",{curr,bytes},",",
- {asis,Tag},"),",nl]),
- emit([indent(9),"case (catch ObjFun(",{asis,FirstPFName},
- ", OpenDec, [], ",{asis,RestPFName},
- ")) of", nl]),%% ??? What about Tag
- emit([indent(12),"{'EXIT',",{curr,reason},"} ->",nl]),
-%% emit({indent(15),"throw({runtime_error,{'Type not ",
-%% "compatible with tableconstraint', OpenDec}});",nl}),
- emit([indent(15),"exit({'Type not ",
- "compatible with table constraint', ",{curr,reason},"});",nl]),
- emit([indent(12),"{TmpDec,_ ,_} ->",nl]),
- emit([indent(15),"{TmpDec, TmpRest, TmpRbCho}",nl]),
- emit([indent(9),"end",nl,indent(6),"end",nl]),
- [];
-gen_dec_call({typefield,_},_Erules,_,Cname,Type,_BytesVar,Tag,_,_,
- _DecObjInf,OptOrMandComp) ->
- emit(["?RT_BER:decode_open_type(",{curr,bytes},",",{asis,Tag},")"]),
- RefedFieldName =
- (Type#type.def)#'ObjectClassFieldType'.fieldname,
-% asn1ct_gen:get_constraint(Type#type.constraint,
-% tableconstraint_info),
- [{Cname,RefedFieldName,
- asn1ct_gen:mk_var(asn1ct_name:curr(term)),
-% asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),[],OptOrMandComp}];
- asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),Tag,OptOrMandComp}];
-gen_dec_call({objectfield,PrimFieldName,PFNList},_Erules,_,Cname,_,_,Tag,_,_,_,
- OptOrMandComp) ->
- emit(["?RT_BER:decode_open_type(",{curr,bytes},",",{asis,Tag},")"]),
- [{Cname,{PrimFieldName,PFNList},
- asn1ct_gen:mk_var(asn1ct_name:curr(term)),
-% asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),[],OptOrMandComp}];
- asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),Tag,OptOrMandComp}];
-gen_dec_call(InnerType,Erules,TopType,Cname,Type,BytesVar,Tag,PrimOptOrMand,
- OptOrMand,DecObjInf,_) ->
- WhatKind = asn1ct_gen:type(InnerType),
- gen_dec_call1(WhatKind,InnerType,Erules,TopType,Cname,Type,BytesVar,Tag,
- PrimOptOrMand,OptOrMand),
- case DecObjInf of
- {Cname,{_,OSet,UniqueFName,ValIndex}} ->
- Term = asn1ct_gen:mk_var(asn1ct_name:curr(term)),
- ValueMatch = value_match(ValIndex,Term),
- {ObjSetMod,ObjSetName} =
- case OSet of
- {M,O} ->
- {{asis,M},O};
- _ ->
- {"?MODULE",OSet}
- end,
- emit({",",nl,"ObjFun = ",ObjSetMod,":'getdec_",ObjSetName,"'(",
- {asis,UniqueFName},", ",ValueMatch,")"});
- _ ->
- ok
- end,
- [].
-gen_dec_call1({primitive,bif},InnerType,Erules,_,_,Type,BytesVar,
- Tag,OptOrMand,_) ->
- case InnerType of
- {fixedtypevaluefield,_,Btype} ->
- asn1ct_gen_ber:gen_dec_prim(Erules,Btype,BytesVar,Tag,[],no_length,
- ?PRIMITIVE,OptOrMand);
- _ ->
- asn1ct_gen_ber:gen_dec_prim(Erules,Type,BytesVar,Tag,[],no_length,
- ?PRIMITIVE,OptOrMand)
- end;
-gen_dec_call1('ASN1_OPEN_TYPE',_InnerType,Erules,_,_,Type,BytesVar,
- Tag,OptOrMand,_) ->
- asn1ct_gen_ber:gen_dec_prim(Erules,Type#type{def='ASN1_OPEN_TYPE'},
- BytesVar,Tag,[],no_length,
- ?PRIMITIVE,OptOrMand);
-gen_dec_call1(WhatKind,_,_Erules,TopType,Cname,Type,_,Tag,_,OptOrMand) ->
- {DecFunName,_,_} =
- mkfuncname(TopType,Cname,WhatKind,dec),
- case {WhatKind,Type#type.tablecinf} of
- {{constructed,bif},[{objfun,_}|_R]} ->
- emit({DecFunName,"(",{curr,bytes},OptOrMand,{asis,Tag},", ObjFun)"});
- _ ->
- emit({DecFunName,"(",{curr,bytes},OptOrMand,{asis,Tag},")"})
- end.
-
-
-%%------------------------------------------------------
-%% General and special help functions (not exported)
-%%------------------------------------------------------
-
-
-indent(N) ->
- lists:duplicate(N,32). % 32 = space
-
-
-mkvlist([H,T1|T], Sep) -> % Sep is a string e.g ", " or "+ "
- emit([{var,H},Sep]),
- mkvlist([T1|T], Sep);
-mkvlist([H|T], Sep) ->
- emit([{var,H}]),
- mkvlist(T, Sep);
-mkvlist([], _) ->
- true.
-
-mkvlist(L) ->
- mkvlist(L,", ").
-
-mkvplus(L) ->
- mkvlist(L," + ").
-
-extensible(CompList) when is_list(CompList) ->
- noext;
-extensible({RootList,ExtList}) ->
- {ext,length(RootList)+1,length(ExtList)};
-extensible({_Rl1,_ExtL,_Rl2}) ->
- extensible.
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% filter away ExtensionAdditionGroup start and end marks since these
-%% have no significance for the BER encoding
-%%
-filter_complist(CompList) when is_list(CompList) ->
- lists:filter(fun(#'ExtensionAdditionGroup'{}) ->
- false;
- ('ExtensionAdditionGroupEnd') ->
- false;
- (_) ->
- true
- end, CompList);
-filter_complist({Root,Ext}) ->
- {Root,filter_complist(Ext)};
-filter_complist({Root1,Ext,Root2}) ->
- {Root1,filter_complist(Ext),Root2}.
-
-print_attribute_comment(InnerType,Pos,Prop) ->
- CommentLine = "%%-------------------------------------------------",
- emit([nl,CommentLine]),
- case InnerType of
- {typereference,_,Name} ->
- emit([nl,"%% attribute number ",Pos," with type ",Name]);
- {'Externaltypereference',_,XModule,Name} ->
- emit([nl,"%% attribute number ",Pos," External ",XModule,":",Name]);
- _ ->
- emit([nl,"%% attribute number ",Pos," with type ",InnerType])
- end,
- case Prop of
- mandatory ->
- continue;
- {'DEFAULT', Def} ->
- emit([" DEFAULT = ",{asis,Def}]);
- 'OPTIONAL' ->
- emit([" OPTIONAL"])
- end,
- emit([nl,CommentLine,nl]).
-
-
-mkfuncname(TopType,Cname,WhatKind,DecOrEnc) ->
- CurrMod = get(currmod),
- case WhatKind of
- #'Externaltypereference'{module=CurrMod,type=EType} ->
- F = lists:concat(["'",DecOrEnc,"_",EType,"'"]),
- {F, "?MODULE", F};
- #'Externaltypereference'{module=Mod,type=EType} ->
- {lists:concat(["'",Mod,"':'",DecOrEnc,"_",EType,"'"]),Mod,
- lists:concat(["'",DecOrEnc,"_",EType,"'"])};
- {constructed,bif} ->
- F = lists:concat(["'",DecOrEnc,"_",asn1ct_gen:list2name([Cname|TopType]),"'"]),
- {F, "?MODULE", F}
- end.
-
-mkfunname(Erule,TopType,Cname,WhatKind,DecOrEnc,Arity) ->
- CurrMod = get(currmod),
- case WhatKind of
- #'Externaltypereference'{module=CurrMod,type=EType} ->
- F = lists:concat(["fun '",DecOrEnc,"_",EType,"'/",Arity]),
- {F, "?MODULE", F};
- #'Externaltypereference'{module=Mod,type=EType} ->
- {lists:concat(["fun '",Mod,"':'",DecOrEnc,"_",EType,"'/",Arity]),Mod,
- lists:concat(["'",DecOrEnc,"_",EType,"'"])};
- {constructed,bif} ->
- F =
- lists:concat(["fun '",DecOrEnc,"_",
- asn1ct_gen:list2name([Cname|TopType]),"'/",
- Arity]),
- {F, "?MODULE", F};
- 'ASN1_OPEN_TYPE' ->
- case Arity of
- 3 ->
- F = lists:concat(["fun(A,_,C) -> ?RT_BER:decode_open_type(",Erule,",A,C) end"]),
- {F, "?MODULE", F};
- 4 ->
- F = lists:concat(["fun(A,_,C,_) -> ?RT_BER:decode_open_type(",Erule,",A,C) end"]),
- {F, "?MODULE", F}
- end
- end.
-
-empty_lb(ber) ->
- "[]";
-empty_lb(ber_bin) ->
- "<<>>".
-
-rtmod(ber) ->
- list_to_atom(?RT_BER_BIN);
-rtmod(ber_bin) ->
- list_to_atom(?RT_BER_BIN).
-
-indefend_match(ber,used_var) ->
- "[0,0|R]";
-indefend_match(ber,unused_var) ->
- "[0,0|_R]";
-indefend_match(ber_bin,used_var) ->
- "<<0,0,R/binary>>";
-indefend_match(ber_bin,unused_var) ->
- "<<0,0,_R/binary>>".
-
-notice_value_match() ->
- Module = get(currmod),
- put(value_match,{true,Module}).
-
-value_match(Index,Value) when is_atom(Value) ->
- value_match(Index,atom_to_list(Value));
-value_match([],Value) ->
- Value;
-value_match([{VI,_Cname}|VIs],Value) ->
- value_match1(Value,VIs,lists:concat(["element(",VI,","]),1).
-value_match1(Value,[],Acc,Depth) ->
- Acc ++ Value ++ lists:concat(lists:duplicate(Depth,")"));
-value_match1(Value,[{VI,_Cname}|VIs],Acc,Depth) ->
- value_match1(Value,VIs,Acc++lists:concat(["element(",VI,","]),Depth+1).
diff --git a/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl b/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl
index 2c4b44996d..78cb9297d8 100644
--- a/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl
+++ b/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl
@@ -32,7 +32,6 @@
-include("asn1_records.hrl").
-import(asn1ct_gen, [emit/1,demit/1,get_record_name_prefix/0]).
--import(asn1ct_constructed_ber,[match_tag/2]).
-define(ASN1CT_GEN_BER,asn1ct_gen_ber_bin_v2).
@@ -913,7 +912,7 @@ gen_dec_choice_cases(Erules,TopType, [H|T]) ->
[DecTag],Type}),
asn1ct:update_gen_state(namelist,Names),
emit([indent(4),{curr,res}," = ",
- match_tag(ber_bin,{FirstT#tag.class,FirstT#tag.number}),
+ match_tag(FirstT#tag.class, FirstT#tag.number),
" -> ",nl]),
emit([indent(8),"{",{asis,Cname},", {'",
asn1ct_gen:list2name([Cname|TopType]),"',",
@@ -928,7 +927,25 @@ gen_dec_choice_cases(Erules,TopType, [H|T]) ->
end,
gen_dec_choice_cases(Erules,TopType, T).
+match_tag(Class, TagNo) when is_integer(TagNo) ->
+ match_tag1(asn1ct_gen_ber_bin_v2:decode_class(Class), TagNo).
+match_tag1(Class, TagNo) when TagNo =< 30 ->
+ io_lib:format("<<~p:2,_:1,~p:5,_/binary>>", [Class bsr 6,TagNo]);
+match_tag1(Class, TagNo) ->
+ Octets = mk_object_val(TagNo),
+ io_lib:format("<<~p:2,_:1,31:5,~s,_/binary>>", [Class bsr 6,Octets]).
+
+mk_object_val(Val) when Val < 16#80 ->
+ integer_to_list(Val);
+mk_object_val(Val) ->
+ mk_object_val(Val bsr 7, [integer_to_list(Val band 16#7F)]).
+
+mk_object_val(0, Acc) ->
+ Acc;
+mk_object_val(Val, Acc) ->
+ I = integer_to_list((Val band 16#7F) bor 16#80),
+ mk_object_val(Val bsr 7, [I,","|Acc]).
%%---------------------------------------
%% Generate the encode/decode code
@@ -1493,10 +1510,6 @@ mkfuncname(TopType,Cname,WhatKind,Prefix,Suffix) ->
end.
empty_lb(ber) ->
- "[]";
-empty_lb(ber_bin) ->
- "<<>>";
-empty_lb(ber_bin_v2) ->
"<<>>".
value_match(Index,Value) when is_atom(Value) ->
diff --git a/lib/asn1/src/asn1ct_constructed_per.erl b/lib/asn1/src/asn1ct_constructed_per.erl
index 8de41a4dd4..b29a7b3048 100644
--- a/lib/asn1/src/asn1ct_constructed_per.erl
+++ b/lib/asn1/src/asn1ct_constructed_per.erl
@@ -76,13 +76,9 @@ gen_encode_constructed(Erule,Typename,D) when is_record(D,type) ->
case {Optionals = optionals(to_textual_order(CompList)),CompList,
is_optimized(Erule)} of
{[],EmptyCL,_} when EmptyCL == {[],[],[]};EmptyCL == {[],[]};EmptyCL == [] ->
- emit(["%%Variable setting just to eliminate ",
- "compiler warning for unused vars!",nl,
- "_Val = ",{curr,val},",",nl]);
+ ok;
{[],_,_} ->
- emit([{next,val}," = ?RT_PER:list_to_record("]),
- emit(["'",asn1ct_gen:list2rname(Typename),"'"]),
- emit([", ",{curr,val},"),",nl]);
+ emit([{next,val}," = ",{curr,val},",",nl]);
{_,_,true} ->
gen_fixoptionals(Optionals),
FixOpts = param_map(fun(Var) ->
@@ -155,7 +151,7 @@ gen_encode_constructed(Erule,Typename,D) when is_record(D,type) ->
emit([ObjectEncode," = ",nl]),
emit([" ",ObjSetMod,":'getenc_",ObjSetName,"'(",
{asis,UniqueFieldName},", ",nl]),
- El = make_element(N+1,asn1ct_gen:mk_var(asn1ct_name:curr(val)),AttrN),
+ El = make_element(N+1,asn1ct_gen:mk_var(asn1ct_name:curr(val))),
Length = fun(X,_LFun) when is_atom(X) ->
length(atom_to_list(X));
@@ -221,9 +217,74 @@ gen_decode_set(Erules,Typename,D) ->
gen_decode_sequence(Erules,Typename,D) ->
gen_decode_constructed(Erules,Typename,D).
-gen_decode_constructed(Erules,Typename,D) when is_record(D,type) ->
+gen_decode_constructed(Erule, Typename, #type{}=D) ->
+ Imm0 = gen_dec_constructed_imm(Erule, Typename, #type{}=D),
+ Imm = opt_imm(Imm0),
asn1ct_name:start(),
asn1ct_name:clear(),
+ emit_gen_dec_imm(Imm),
+ emit([".",nl,nl]).
+
+opt_imm(Imm0) ->
+ {Imm,_} = opt_imm_1(Imm0, unknown, []),
+ Imm.
+
+opt_imm_1([{imm,Imm0,F}|T], Al0, Acc) ->
+ {Imm,Al} = asn1ct_imm:optimize_alignment(Imm0, Al0),
+ opt_imm_1(T, Al, [{imm,Imm,F}|Acc]);
+opt_imm_1([ignore|T], Al, Acc) ->
+ opt_imm_1(T, Al, Acc);
+opt_imm_1([{ignore,_}=H|T], Al, Acc) ->
+ opt_imm_1(T, Al, [H|Acc]);
+opt_imm_1([{safe,ignore}|T], Al, Acc) ->
+ opt_imm_1(T, Al, Acc);
+opt_imm_1([{safe,_}=H|T], Al, Acc) ->
+ opt_imm_1(T, Al, [H|Acc]);
+opt_imm_1([{group,G0}|T], Al0, Acc) ->
+ {G,Al} = opt_imm_1(G0, Al0, []),
+ opt_imm_1(T, Al, [{group,G}|Acc]);
+opt_imm_1([Emit|T], _, Acc) when is_function(Emit, 1) ->
+ opt_imm_1(T, unknown, [Emit|Acc]);
+opt_imm_1([], Al, Acc) ->
+ {lists:reverse(Acc),Al}.
+
+emit_gen_dec_imm(L) ->
+ emit_gen_dec_imm(L, "", []).
+
+emit_gen_dec_imm([{ignore,Fun}|T], Sep, St0) ->
+ St = Fun(St0),
+ emit_gen_dec_imm(T, Sep, St);
+emit_gen_dec_imm([{group,L}|T], Sep, St0) ->
+ emit(Sep),
+ St = emit_gen_dec_imm_group(L, St0),
+ emit_gen_dec_imm(T, [com,nl], St);
+emit_gen_dec_imm([{imm,Imm,Emit}|T], Sep, St0) ->
+ emit(Sep),
+ St = Emit(Imm, St0),
+ emit_gen_dec_imm(T, [com,nl], St);
+emit_gen_dec_imm([{safe,Item}|T], Sep, St) ->
+ emit_gen_dec_imm([Item|T], Sep, St);
+emit_gen_dec_imm([Emit|T], Sep, St0) ->
+ emit(Sep),
+ St = Emit(St0),
+ emit_gen_dec_imm(T, [com,nl], St);
+emit_gen_dec_imm([], _, _) -> ok.
+
+emit_gen_dec_imm_group([H|T], St0) ->
+ St = emit_gen_dec_group_item(H, St0),
+ emit_gen_dec_imm_group(T, St);
+emit_gen_dec_imm_group([], St) -> St.
+
+emit_gen_dec_group_item({ignore,Fun}, St) ->
+ Fun(St);
+emit_gen_dec_group_item({imm,Imm,Fun}, St) ->
+ Fun(Imm, St);
+emit_gen_dec_group_item({safe,Item}, St) ->
+ emit_gen_dec_group_item(Item, St);
+emit_gen_dec_group_item(Emit, St) ->
+ Emit(St).
+
+gen_dec_constructed_imm(Erule, Typename, #type{}=D) ->
{CompList,TableConsInfo} =
case D#type.def of
#'SEQUENCE'{tablecinf=TCI,components=CL} ->
@@ -233,27 +294,19 @@ gen_decode_constructed(Erules,Typename,D) when is_record(D,type) ->
{CL,TCI} % the textual order is already taken care of
end,
Ext = extensible_dec(CompList),
- MaybeComma1 = case Ext of
- {ext,_Pos,_NumExt} ->
- gen_dec_extension_value("Bytes"),
- {",",nl};
- _ ->
- ""
- end,
+ EmitExt = case Ext of
+ {ext,_Pos,_NumExt} ->
+ gen_dec_extension_value();
+ _ -> ignore
+ end,
Optionals = optionals(CompList),
- MaybeComma2 = case Optionals of
- [] -> MaybeComma1;
- _ ->
- Bcurr = asn1ct_name:curr(bytes),
- Bnext = asn1ct_name:next(bytes),
- emit(MaybeComma1),
- GetoptCall = "} = ?RT_PER:getoptionals2(",
- emit({"{Opt,",{var,Bnext},GetoptCall,
- {var,Bcurr},",",{asis,length(Optionals)},")"}),
- asn1ct_name:new(bytes),
- ", "
- end,
- {DecObjInf,UniqueFName,ValueIndex} =
+ EmitOpt = case Optionals of
+ [] ->
+ ignore;
+ [_|_] ->
+ gen_dec_optionals(Optionals)
+ end,
+ ObjSetInfo =
case TableConsInfo of
%% {ObjectSet,AttrN,N,UniqueFieldName} ->%% N is index of attribute that determines constraint
#simpletableattributes{objectsetname=ObjectSet,
@@ -285,13 +338,19 @@ gen_decode_constructed(Erules,Typename,D) when is_record(D,type) ->
{false,false,false}
end
end,
-%% NewCompList = wrap_compList(CompList),
- {AccTerm,AccBytes} =
- gen_dec_components_call(Erules,Typename,CompList,MaybeComma2,DecObjInf,Ext,length(Optionals)),
- case asn1ct_name:all(term) of
- [] -> emit(MaybeComma2); % no components at all
- _ -> emit({com,nl})
- end,
+ {DecObjInf,_,_} = ObjSetInfo,
+ EmitComp = gen_dec_components_call(Erule, Typename, CompList,
+ DecObjInf, Ext, length(Optionals)),
+ EmitRest = fun({AccTerm,AccBytes}) ->
+ gen_dec_constructed_imm_2(Typename, CompList,
+ ObjSetInfo,
+ AccTerm, AccBytes)
+ end,
+ [EmitExt,EmitOpt|EmitComp++[{safe,EmitRest}]].
+
+gen_dec_constructed_imm_2(Typename, CompList,
+ ObjSetInfo, AccTerm, AccBytes) ->
+ {_,UniqueFName,ValueIndex} = ObjSetInfo,
case {AccTerm,AccBytes} of
{[],[]} ->
ok;
@@ -333,8 +392,7 @@ gen_decode_constructed(Erules,Typename,D) when is_record(D,type) ->
mkvlist(textual_order(to_encoding_order(CompList),asn1ct_name:all(term))),
emit("},")
end,
- emit({{curr,bytes},"}"}),
- emit({".",nl,nl}).
+ emit({{curr,bytes},"}"}).
textual_order([#'ComponentType'{textual_order=undefined}|_],TermList) ->
TermList;
@@ -516,10 +574,10 @@ gen_decode_sof(Erules,Typename,SeqOrSetOf,D) when is_record(D,type) ->
_ ->
""
end,
- gen_decode_length(SizeConstraint,
- is_optimized(Erules)),
- emit({"'dec_",asn1ct_gen:list2name(Typename),
- "_components'(Num, Bytes1, telltype",ObjFun,", []).",nl}),
+ {Num,Buf} = gen_decode_length(SizeConstraint, Erules),
+ emit([",",nl,
+ "'dec_",asn1ct_gen:list2name(Typename),
+ "_components'(",Num,", ",Buf,ObjFun,", []).",nl,nl]),
NewComponentType =
case ComponentType#type.def of
{'ENUMERATED',_,Component}->
@@ -528,40 +586,13 @@ gen_decode_sof(Erules,Typename,SeqOrSetOf,D) when is_record(D,type) ->
end,
gen_decode_sof_components(Erules,Typename,SeqOrSetOf,NewComponentType).
-%% Logic copied from asn1_per_bin_rt2ct:decode_constrained_number
-gen_decode_length({Lb,Ub},true) when Ub =< 65535, Lb >= 0 ->
- Range = Ub - Lb + 1,
- Call = if
- Range == 1 ->
- "{0,Bytes}";
- Range == 2 ->
- "?RT_PER:getbits(Bytes,1)";
- Range =< 4 ->
- "?RT_PER:getbits(Bytes,2)";
- Range =< 8 ->
- "?RT_PER:getbits(Bytes,3)";
- Range =< 16 ->
- "?RT_PER:getbits(Bytes,4)";
- Range =< 32 ->
- "?RT_PER:getbits(Bytes,5)";
- Range =< 64 ->
- "?RT_PER:getbits(Bytes,6)";
- Range =< 128 ->
- "?RT_PER:getbits(Bytes,7)";
- Range =< 255 ->
- "?RT_PER:getbits(Bytes,8)";
- Range =< 256 ->
- "?RT_PER:getoctets(Bytes,1)";
- Range =< 65536 ->
- "?RT_PER:getoctets(Bytes,2)";
- true ->
- ["exit({not_supported,{integer_range,",Range,"}}"]
- end,
- emit({nl,"{Val,Remain} = ",Call,",",nl}),
- emit({nl,"{Num,Bytes1} = {Val+",Lb,",Remain},",nl});
-gen_decode_length(SizeConstraint,_) ->
- emit({nl,"{Num,Bytes1} = ?RT_PER:decode_length(Bytes,",
- {asis,SizeConstraint},"),",nl}).
+is_aligned(per) -> true;
+is_aligned(uper) -> false.
+
+gen_decode_length(Constraint, Erule) ->
+ emit(["%% Length with constraint ",{asis,Constraint},nl]),
+ Imm = asn1ct_imm:per_dec_length(Constraint, true, is_aligned(Erule)),
+ asn1ct_imm:dec_slim_cg(Imm, "Bytes").
gen_encode_sof_components(Erule,Typename,SeqOrSetOf,Cont) ->
{ObjFun,ObjFun_Var} =
@@ -583,8 +614,7 @@ gen_encode_sof_components(Erule,Typename,SeqOrSetOf,Cont) ->
Conttype = asn1ct_gen:get_inner(Cont#type.def),
Currmod = get(currmod),
- Ctgenmod = list_to_atom(lists:concat(["asn1ct_gen_",per,
- asn1ct_gen:rt2ct_suffix()])),
+ Ctgenmod = asn1ct_gen:ct_gen_module(Erule),
case asn1ct_gen:type(Conttype) of
{primitive,bif} ->
gen_encode_prim_wrapper(Ctgenmod,Erule,Cont,false,"H");
@@ -614,16 +644,15 @@ gen_decode_sof_components(Erule,Typename,SeqOrSetOf,Cont) ->
{"",""}
end,
emit({"'dec_",asn1ct_gen:list2name(Typename),
- "_components'(0, Bytes, _",ObjFun_Var,", Acc) ->",nl,
+ "_components'(0, Bytes",ObjFun_Var,", Acc) ->",nl,
indent(3),"{lists:reverse(Acc), Bytes};",nl}),
emit({"'dec_",asn1ct_gen:list2name(Typename),
- "_components'(Num, Bytes, _",ObjFun,", Acc) ->",nl}),
+ "_components'(Num, Bytes",ObjFun,", Acc) ->",nl}),
emit({indent(3),"{Term,Remain} = "}),
Constructed_Suffix = asn1ct_gen:constructed_suffix(SeqOrSetOf,
Cont#type.def),
Conttype = asn1ct_gen:get_inner(Cont#type.def),
- Ctgenmod = list_to_atom(lists:concat(["asn1ct_gen_",per,
- asn1ct_gen:rt2ct_suffix()])),
+ Ctgenmod = asn1ct_gen:ct_gen_module(Erule),
CurrMod = get(currmod),
case asn1ct_gen:type(Conttype) of
{primitive,bif} ->
@@ -647,7 +676,7 @@ gen_decode_sof_components(Erule,Typename,SeqOrSetOf,Cont) ->
emit({"'dec_",Conttype,"'(Bytes,telltype),",nl})
end,
emit({indent(3),"'dec_",asn1ct_gen:list2name(Typename),
- "_components'(Num-1, Remain, telltype",ObjFun,", [Term|Acc]).",nl}).
+ "_components'(Num-1, Remain",ObjFun,", [Term|Acc]).",nl}).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -718,10 +747,25 @@ extgrouppos([_|T],ActualPos,VirtualPos,Len,Acc) ->
extgrouppos(T,ActualPos,VirtualPos,Len+1,Acc).
-
-gen_dec_extension_value(_) ->
- emit({"{Ext,",{next,bytes},"} = ?RT_PER:getext(",{curr,bytes},")"}),
- asn1ct_name:new(bytes).
+gen_dec_extension_value() ->
+ Imm0 = {get_bits,1,[1]},
+ E = fun(Imm, _) ->
+ emit(["{Ext,",{next,bytes},"} = "]),
+ BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)),
+ asn1ct_imm:dec_code_gen(Imm, BytesVar),
+ asn1ct_name:new(bytes)
+ end,
+ {imm,Imm0,E}.
+
+gen_dec_optionals(Optionals) ->
+ Imm0 = {get_bits,length(Optionals),[1]},
+ E = fun(Imm, _) ->
+ BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)),
+ emit(["{Opt,",{next,bytes},"} = "]),
+ asn1ct_imm:dec_code_gen(Imm, BytesVar),
+ asn1ct_name:new(bytes)
+ end,
+ {imm,Imm0,E}.
gen_fixoptionals([{Pos,Def}|R]) ->
asn1ct_name:new(fixopt),
@@ -889,7 +933,7 @@ gen_enc_components_call1(_Erule,_TopType,[],Pos,_,_,_) ->
Pos.
gen_enc_component_default(Erule,TopType,Cname,Type,Pos,DynamicEnc,Ext,DefaultVal) ->
- Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val)),Cname),
+ Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val))),
emit({"case ",Element," of",nl}),
% emit({"asn1_DEFAULT -> [];",nl}),
emit({"DFLT when DFLT == asn1_DEFAULT; DFLT == ",{asis,DefaultVal}," -> [];",nl}),
@@ -909,7 +953,7 @@ gen_enc_component_optional(Erule,TopType,Cname,
components=_ExtGroupCompList}},
Pos,DynamicEnc,Ext) when is_integer(Number) ->
- Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val)),Cname),
+ Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val))),
emit({"case ",Element," of",nl}),
emit({"asn1_NOVALUE -> [];",nl}),
@@ -922,7 +966,7 @@ gen_enc_component_optional(Erule,TopType,Cname,
gen_enc_line(Erule,TopType,Cname,Type,NextElement, Pos,DynamicEnc,Ext),
emit({nl,"end"});
gen_enc_component_optional(Erule,TopType,Cname,Type,Pos,DynamicEnc,Ext) ->
- Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val)),Cname),
+ Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val))),
emit({"case ",Element," of",nl}),
emit({"asn1_NOVALUE -> [];",nl}),
@@ -942,11 +986,10 @@ gen_enc_component_mandatory(Erule,TopType,Cname,Type,Pos,DynamicEnc,Ext) ->
gen_enc_line(Erule,TopType,Cname,Type,[],Pos,DynamicEnc,Ext).
gen_enc_line(Erule,TopType, Cname, Type, [], Pos,DynamicEnc,Ext) ->
- Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val)),Cname),
+ Element = make_element(Pos+1,asn1ct_gen:mk_var(asn1ct_name:curr(val))),
gen_enc_line(Erule,TopType,Cname,Type,Element, Pos,DynamicEnc,Ext);
gen_enc_line(Erule,TopType,Cname,Type,Element, _Pos,DynamicEnc,Ext) ->
- Ctgenmod = list_to_atom(lists:concat(["asn1ct_gen_",per,
- asn1ct_gen:rt2ct_suffix()])),
+ Ctgenmod = asn1ct_gen:ct_gen_module(Erule),
Atype =
case Type of
#type{def=#'ObjectClassFieldType'{type=InnerType}} ->
@@ -1036,53 +1079,79 @@ gen_enc_line(Erule,TopType,Cname,Type,Element, _Pos,DynamicEnc,Ext) ->
emit("))");
_ -> true
end.
-gen_dec_components_call(Erule,TopType,{Root,ExtList},MaybeComma,
+
+gen_dec_components_call(Erule, TopType, {Root,ExtList},
+ DecInfObj, Ext, NumberOfOptionals) ->
+ gen_dec_components_call(Erule,TopType,{Root,ExtList,[]},
+ DecInfObj,Ext,NumberOfOptionals);
+gen_dec_components_call(Erule,TopType,CL={Root1,ExtList,Root2},
DecInfObj,Ext,NumberOfOptionals) ->
- gen_dec_components_call(Erule,TopType,{Root,ExtList,[]},MaybeComma,DecInfObj,Ext,NumberOfOptionals);
-gen_dec_components_call(Erule,TopType,CL={Root1,ExtList,Root2},MaybeComma,DecInfObj,Ext,NumberOfOptionals) ->
%% The type has extensionmarker
-
OptTable = create_optionality_table(Root1++Root2),
- {Rpos,AccTerm,AccBytes} =
- gen_dec_components_call1(Erule,TopType, Root1++Root2, 1, OptTable,
- MaybeComma,DecInfObj,noext,[],[],
- NumberOfOptionals),
- emit([",",nl,"{Extensions,",{next,bytes},"} = "]),
- emit(["?RT_PER:getextension(Ext,",{curr,bytes},"),",nl]),
- asn1ct_name:new(bytes),
+ Init = {ignore,fun(_) -> {[],[]} end},
+ {EmitRoot,Tpos} =
+ gen_dec_comp_calls(Root1++Root2, Erule, TopType, OptTable,
+ DecInfObj, noext, NumberOfOptionals,
+ 1, []),
+ EmitGetExt = gen_dec_get_extension(Erule),
{extgrouppos,ExtGroupPosLen} = extgroup_pos_and_length(CL),
- NewExtList = wrap_extensionAdditionGroups(ExtList,ExtGroupPosLen),
- {_Epos,AccTermE,AccBytesE} =
- gen_dec_components_call1(Erule,TopType,NewExtList,Rpos, OptTable,
- "",DecInfObj,Ext,[],[],NumberOfOptionals),
- case ExtList of
- [] -> true;
- _ -> emit([",",nl])
- end,
- emit([{next,bytes},"= ?RT_PER:skipextensions(",{curr,bytes},",",
- length(ExtList)+1,",Extensions)",nl]),
- asn1ct_name:new(bytes),
- {AccTerm++AccTermE,AccBytes++AccBytesE};
-
-gen_dec_components_call(Erule,TopType,CompList,MaybeComma,DecInfObj,
- Ext,NumberOfOptionals) ->
+ NewExtList = wrap_extensionAdditionGroups(ExtList, ExtGroupPosLen),
+ {EmitExts,_} = gen_dec_comp_calls(NewExtList, Erule, TopType, OptTable,
+ DecInfObj, Ext, NumberOfOptionals,
+ Tpos, []),
+ Finish =
+ fun(St) ->
+ emit([{next,bytes},"= ?RT_PER:skipextensions(",{curr,bytes},",",
+ length(ExtList)+1,",Extensions)"]),
+ asn1ct_name:new(bytes),
+ St
+ end,
+ [Init] ++ EmitRoot ++ [EmitGetExt|EmitExts] ++ [Finish];
+gen_dec_components_call(Erule, TopType, CompList, DecInfObj,
+ Ext, NumberOfOptionals) ->
%% The type has no extensionmarker
OptTable = create_optionality_table(CompList),
- {_,AccTerm,AccBytes} =
- gen_dec_components_call1(Erule,TopType, CompList, 1, OptTable,
- MaybeComma,DecInfObj,Ext,[],[],
- NumberOfOptionals),
- {AccTerm,AccBytes}.
-
-
-gen_dec_components_call1(Erule,TopType,
- [C=#'ComponentType'{name=Cname,typespec=Type,prop=Prop,textual_order=TextPos}|Rest],
- Tpos,OptTable,MaybeComma,DecInfObj,Ext,AccTerm,AccBytes,NumberOfOptionals) ->
+ Init = {ignore,fun(_) -> {[],[]} end},
+ {Cs,_} = gen_dec_comp_calls(CompList, Erule, TopType, OptTable,
+ DecInfObj, Ext, NumberOfOptionals,
+ 1, []),
+ [Init|Cs].
+
+gen_dec_get_extension(Erule) ->
+ Imm0 = asn1ct_imm:per_dec_extension_map(is_aligned(Erule)),
+ E = fun(Imm, St) ->
+ emit([nl,"%% Extensions",
+ nl,
+ "{Extensions,",{next,bytes},"} = ",
+ "case Ext of",nl,
+ "0 -> {<<>>,",{curr,bytes},"};",nl,
+ "1 ->",nl]),
+ BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)),
+ {Dst,DstBuf} = asn1ct_imm:dec_slim_cg(Imm, BytesVar),
+ emit([com,nl,
+ "{",Dst,",",DstBuf,"}",nl,
+ "end"]),
+ asn1ct_name:new(bytes),
+ St
+ end,
+ {imm,Imm0,E}.
+
+gen_dec_comp_calls([C|Cs], Erule, TopType, OptTable, DecInfObj,
+ Ext, NumberOfOptionals, Tpos, Acc) ->
+ L = gen_dec_comp_call(C, Erule, TopType, Tpos, OptTable, DecInfObj,
+ Ext, NumberOfOptionals),
+ gen_dec_comp_calls(Cs, Erule, TopType, OptTable, DecInfObj,
+ Ext, NumberOfOptionals, Tpos+1, [L|Acc]);
+gen_dec_comp_calls([], _, _, _, _, _, _, Tpos, Acc) ->
+ {lists:append(lists:reverse(Acc)),Tpos}.
+
+gen_dec_comp_call(Comp, Erule, TopType, Tpos, OptTable, DecInfObj,
+ Ext, NumberOfOptionals) ->
+ #'ComponentType'{typespec=Type,prop=Prop,textual_order=TextPos} = Comp,
Pos = case Ext of
noext -> Tpos;
{ext,Epos,_Enum} -> Tpos - Epos + 1
end,
- emit(MaybeComma),
InnerType =
case Type#type.def of
#'ObjectClassFieldType'{type=InType} ->
@@ -1091,109 +1160,128 @@ gen_dec_components_call1(Erule,TopType,
asn1ct_gen:get_inner(Def)
end,
- case InnerType of
- #'Externaltypereference'{type=T} ->
- emit({nl,"%% attribute number ",TextPos," with type ",
- T,nl});
- IT when is_tuple(IT) ->
- emit({nl,"%% attribute number ",TextPos," with type ",
- element(2,IT),nl});
- _ ->
- emit({nl,"%% attribute number ",TextPos," with type ",
- InnerType,nl})
- end,
-
- IsMandatoryAndPredefinedTableC =
- fun(noext,mandatory,{"got objfun through args","ObjFun"}) ->
- true;
- (_,_,{"got objfun through args","ObjFun"}) ->
- false;
- (_,_,_) ->
- true
- end,
- case {InnerType,IsMandatoryAndPredefinedTableC(Ext,Prop,DecInfObj)} of
-%% {typefield,_} when Ext == noext, Prop == mandatory ->
- {{typefield,_},true} ->
- %% DecInfObj /= {"got objfun through args","ObjFun"} |
- %% (DecInfObj == {"got objfun through args","ObjFun"} &
- %% Ext == noext & Prop == mandatory)
- asn1ct_name:new(term),
- asn1ct_name:new(tmpterm),
- emit({"{",{curr,tmpterm},", ",{next,bytes},"} = "});
+ DispType = case InnerType of
+ #'Externaltypereference'{type=T} -> T;
+ IT when is_tuple(IT) -> element(2,IT);
+ _ -> InnerType
+ end,
+ Comment = fun(St) ->
+ emit([nl,"%% attribute number ",TextPos,
+ " with type ",DispType,nl]),
+ St
+ end,
+
+ Preamble =
+ case {InnerType,is_mandatory_predef_tab_c(Ext, Prop, DecInfObj)} of
+ {{typefield,_},true} ->
+ %% DecInfObj /= {"got objfun through args","ObjFun"} |
+ %% (DecInfObj == {"got objfun through args","ObjFun"} &
+ %% Ext == noext & Prop == mandatory)
+ fun(St) ->
+ asn1ct_name:new(term),
+ asn1ct_name:new(tmpterm),
+ emit(["{",{curr,tmpterm},", ",{next,bytes},"} = "]),
+ St
+ end;
%%{objectfield,_,_} when Ext == noext, Prop == mandatory ->
- {{objectfield,_,_},true} ->
- asn1ct_name:new(term),
- asn1ct_name:new(tmpterm),
- emit({"{",{curr,tmpterm},", ",{next,bytes},"} = "});
+ {{objectfield,_,_},true} ->
+ fun(St) ->
+ asn1ct_name:new(term),
+ asn1ct_name:new(tmpterm),
+ emit(["{",{curr,tmpterm},", ",{next,bytes},"} = "]),
+ St
+ end;
_ ->
case Type of
#type{def=#'SEQUENCE'{
extaddgroup=Number1,
components=ExtGroupCompList1}} when is_integer(Number1)->
- emit({"{{_,"}),
- emit_extaddgroupTerms(term,ExtGroupCompList1),
- emit({"}"});
- _ ->
- asn1ct_name:new(term),
- emit({"{",{curr,term}})
- end,
- emit({",",{next,bytes},"} = "})
- end,
-
- case {Ext,Prop,is_optimized(Erule)} of
- {noext,mandatory,_} -> ok; % generate nothing
- {noext,_,_} -> %% OPTIONAL or DEFAULT
- OptPos = get_optionality_pos(TextPos,OptTable),
- Element = io_lib:format("Opt band (1 bsl ~w)",[NumberOfOptionals - OptPos]),
- emit(["case ",Element," of",nl]),
- emit([" _Opt",TextPos," when _Opt",TextPos," > 0 ->"]);
- {_,_,false} -> %% extension element, not bitstring
- emit(["case Extensions of",nl]),
- emit([" _ when size(Extensions) >= ",Pos,",element(",Pos,",Extensions) == 1 ->",nl]);
- _ ->
- emit(["case Extensions of",nl]),
- emit([" <<_:",Pos-1,",1:1,_/bitstring>> when bit_size(Extensions) >= ",Pos," ->",nl])
- end,
- put(component_type,{true,C}),
- {TermVar,BytesVar} = gen_dec_line(Erule,TopType,Cname,Type,Tpos,DecInfObj,Ext,Prop),
- erase(component_type),
- case {Ext,Prop} of
- {noext,mandatory} -> true; % generate nothing
- {noext,_} ->
- emit([";",nl,"0 ->"]),
- emit(["{"]),
- gen_dec_component_no_val(Ext,Prop),
- emit({",",{curr,bytes},"}",nl}),
- emit([nl,"end"]);
- _ ->
- emit([";",nl,"_ ->",nl]),
- emit(["{"]),
- case Type of
- #type{def=#'SEQUENCE'{
- extaddgroup=Number2,
- components=ExtGroupCompList2}} when is_integer(Number2)->
- emit({"{extAddGroup,"}),
- gen_dec_extaddGroup_no_val(Ext,ExtGroupCompList2),
- emit({"}"});
+ fun(St) ->
+ emit(["{{_,"]),
+ emit_extaddgroupTerms(term,ExtGroupCompList1),
+ emit(["}"]),
+ emit([",",{next,bytes},"} = "]),
+ St
+ end;
_ ->
- gen_dec_component_no_val(Ext,Prop)
- end,
- emit({",",{curr,bytes},"}",nl}),
- emit([nl,"end"])
- end,
- asn1ct_name:new(bytes),
- case Rest of
- [] ->
- {Tpos+1,AccTerm++TermVar,AccBytes++BytesVar};
- _ ->
- emit({com,nl}),
- gen_dec_components_call1(Erule,TopType,Rest,Tpos+1,OptTable,
- "",DecInfObj,Ext, AccTerm++TermVar,
- AccBytes++BytesVar,NumberOfOptionals)
- end;
+ fun(St) ->
+ asn1ct_name:new(term),
+ emit(["{",{curr,term}]),
+ emit([",",{next,bytes},"} = "]),
+ St
+ end
+ end
+ end,
-gen_dec_components_call1(_,_TopType,[],Pos,_OptTable,_,_,_,AccTerm,AccBytes,_NumberOfOptionals) ->
- {Pos,AccTerm,AccBytes}.
+ OptOrDef =
+ case {Ext,Prop} of
+ {noext,mandatory} ->
+ ignore;
+ {noext,_} -> %% OPTIONAL or DEFAULT
+ OptPos = get_optionality_pos(TextPos, OptTable),
+ Element = io_lib:format("Opt band (1 bsl ~w)",
+ [NumberOfOptionals - OptPos]),
+ fun(St) ->
+ emit(["case ",Element," of",nl]),
+ emit([" _Opt",TextPos," when _Opt",TextPos," > 0 ->"]),
+ St
+ end;
+ {{ext,_,_},_} -> %Extension
+ fun(St) ->
+ emit(["case Extensions of",nl,
+ " <<_:",Pos-1,",1:1,_/bitstring>> ->",nl]),
+ St
+ end
+ end,
+ Lines = gen_dec_line_imm(Erule, TopType, Comp, Tpos, DecInfObj, Ext),
+ Postamble =
+ case {Ext,Prop} of
+ {noext,mandatory} ->
+ ignore;
+ {noext,_} ->
+ fun(St) ->
+ emit([";",nl,"0 ->"]),
+ emit(["{"]),
+ gen_dec_component_no_val(Ext,Prop),
+ emit({",",{curr,bytes},"}",nl}),
+ emit([nl,"end"]),
+ St
+ end;
+ _ ->
+ fun(St) ->
+ emit([";",nl,"_ ->",nl]),
+ emit(["{"]),
+ case Type of
+ #type{def=#'SEQUENCE'{
+ extaddgroup=Number2,
+ components=ExtGroupCompList2}}
+ when is_integer(Number2)->
+ emit({"{extAddGroup,"}),
+ gen_dec_extaddGroup_no_val(Ext,ExtGroupCompList2),
+ emit({"}"});
+ _ ->
+ gen_dec_component_no_val(Ext, Prop)
+ end,
+ emit({",",{curr,bytes},"}",nl}),
+ emit([nl,"end"]),
+ St
+ end
+ end,
+ AdvBuffer = {ignore,fun(St) ->
+ asn1ct_name:new(bytes),
+ St
+ end},
+ [{group,[{safe,Comment},{safe,Preamble},
+ {safe,OptOrDef}|Lines]++
+ [{safe,Postamble},{safe,AdvBuffer}]}].
+
+is_mandatory_predef_tab_c(noext, mandatory,
+ {"got objfun through args","ObjFun"}) ->
+ true;
+is_mandatory_predef_tab_c(_, _, {"got objfun through args","ObjFun"}) ->
+ false;
+is_mandatory_predef_tab_c(_,_,_) ->
+ true.
gen_dec_extaddGroup_no_val(Ext,[#'ComponentType'{prop=Prop}])->
gen_dec_component_no_val(Ext,Prop),
@@ -1213,9 +1301,14 @@ gen_dec_component_no_val({ext,_,_},mandatory) ->
emit({"asn1_NOVALUE"}).
-gen_dec_line(Erule,TopType,Cname,Type,Pos,DecInfObj,Ext,Prop) ->
- Ctgenmod = list_to_atom(lists:concat(["asn1ct_gen_",per,
- asn1ct_gen:rt2ct_suffix()])),
+gen_dec_line(Erule, TopType, Comp, Pos, DecInfObj, Ext) ->
+ Imm0 = gen_dec_line_imm(Erule, TopType, Comp, Pos, DecInfObj, Ext),
+ Init = {ignore,fun(_) -> {[],[]} end},
+ Imm = [{group,[Init|Imm0]}],
+ emit_gen_dec_imm(Imm).
+
+gen_dec_line_imm(Erule, TopType, Comp, Pos, DecInfObj, Ext) ->
+ #'ComponentType'{name=Cname,typespec=Type} = Comp,
Atype =
case Type of
#type{def=#'ObjectClassFieldType'{type=InnerType}} ->
@@ -1224,175 +1317,235 @@ gen_dec_line(Erule,TopType,Cname,Type,Pos,DecInfObj,Ext,Prop) ->
asn1ct_gen:get_inner(Type#type.def)
end,
- BytesVar0 = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)),
- BytesVar = case Ext of
- {ext,Ep,_} when Pos >= Ep ->
- emit(["begin",nl,"{TmpVal",Pos,",Trem",Pos,
- "}=?RT_PER:decode_open_type(",
- {curr,bytes},",[]),",nl,
- "{TmpValx",Pos,",_}="]),
- io_lib:format("TmpVal~p",[Pos]);
- _ -> BytesVar0
- end,
- SaveBytes =
- case Atype of
- {typefield,_} ->
- case DecInfObj of
- false -> % This is in a choice with typefield components
- {Name,RestFieldNames} =
- (Type#type.def)#'ObjectClassFieldType'.fieldname,
-
- asn1ct_name:new(tmpterm),
- asn1ct_name:new(reason),
- emit([indent(2),"{",{curr,tmpterm},", ",{next,bytes},
- "} = ?RT_PER:decode_open_type(",{curr,bytes},
- ", []),",nl]),
- emit([indent(2),"case (catch ObjFun(",
- {asis,Name},",",{curr,tmpterm},",telltype,",
- {asis,RestFieldNames},")) of", nl]),
- emit([indent(4),"{'EXIT',",{curr,reason},"} ->",nl]),
- emit([indent(6),"exit({'Type not ",
- "compatible with table constraint', ",
- {curr,reason},"});",nl]),
- asn1ct_name:new(tmpterm),
- emit([indent(4),"{",{curr,tmpterm},", _} ->",nl]),
- emit([indent(6),"{",{asis,Cname},", {",{curr,tmpterm},", ",
- {next,bytes},"}}",nl]),
- emit([indent(2),"end"]),
- [];
- {"got objfun through args","ObjFun"} ->
- %% this is when the generated code gots the
- %% objfun though arguments on function
- %% invocation.
- if
- Ext == noext andalso Prop == mandatory ->
- ok;
- true ->
- asn1ct_name:new(tmpterm),
- asn1ct_name:new(tmpbytes),
- emit([nl," {",{curr,tmpterm},", ",{curr,tmpbytes},"} ="])
- end,
- {Name,RestFieldNames} =
- (Type#type.def)#'ObjectClassFieldType'.fieldname,
- emit(["?RT_PER:decode_open_type(",{curr,bytes},
- ", []),",nl]),
- if
- Ext == noext andalso Prop == mandatory ->
- emit([{curr,term}," =",nl," "]);
- true ->
- emit([" {"])
- end,
- emit(["case (catch ObjFun(",{asis,Name},",",
- {curr,tmpterm},",telltype,",
- {asis,RestFieldNames},")) of", nl]),
- emit([" {'EXIT',",{curr,reason},"} ->",nl]),
- emit([indent(6),"exit({'Type not ",
- "compatible with table constraint', ",
- {curr,reason},"});",nl]),
- asn1ct_name:new(tmpterm),
- emit([indent(4),"{",{curr,tmpterm},", _} ->",nl]),
- emit([indent(6),{curr,tmpterm},nl]),
- emit([indent(2),"end"]),
- if
- Ext == noext andalso Prop == mandatory ->
- ok;
- true ->
- emit([",",nl,{curr,tmpbytes},"}"])
- end,
- [];
- _ ->
- emit(["?RT_PER:decode_open_type(",{curr,bytes},
- ", [])"]),
- RefedFieldName =
- (Type#type.def)#'ObjectClassFieldType'.fieldname,
-
- [{Cname,RefedFieldName,
- asn1ct_gen:mk_var(asn1ct_name:curr(term)),
- asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),
- get_components_prop()}]
- end;
- {objectfield,PrimFieldName1,PFNList} ->
- emit(["?RT_PER:decode_open_type(",{curr,bytes},", [])"]),
- [{Cname,{PrimFieldName1,PFNList},
- asn1ct_gen:mk_var(asn1ct_name:curr(term)),
- asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),
- get_components_prop()}];
- _ ->
- CurrMod = get(currmod),
- case asn1ct_gen:type(Atype) of
- #'Externaltypereference'{module=CurrMod,type=EType} ->
- emit({"'dec_",EType,"'(",BytesVar,",telltype)"});
- #'Externaltypereference'{module=Mod,type=EType} ->
- emit({"'",Mod,"':'dec_",EType,"'(",BytesVar,
- ",telltype)"});
- {primitive,bif} ->
- case Atype of
- {fixedtypevaluefield,_,Btype} ->
- Ctgenmod:gen_dec_prim(Erule,Btype,
- BytesVar);
- _ ->
- Ctgenmod:gen_dec_prim(Erule,Type,
- BytesVar)
- end;
- 'ASN1_OPEN_TYPE' ->
- case Type#type.def of
- #'ObjectClassFieldType'{type=OpenType} ->
- Ctgenmod:gen_dec_prim(Erule,#type{def=OpenType},
- BytesVar);
- _ ->
- Ctgenmod:gen_dec_prim(Erule,Type,
- BytesVar)
- end;
- #typereference{val=Dname} ->
- emit({"'dec_",Dname,"'(",BytesVar,",telltype)"});
- {notype,_} ->
- emit({"'dec_",Atype,"'(",BytesVar,",telltype)"});
- {constructed,bif} ->
- NewTypename = [Cname|TopType],
- case Type#type.tablecinf of
- [{objfun,_}|_R] ->
- emit({"'dec_",asn1ct_gen:list2name(NewTypename),
- "'(",BytesVar,", telltype, ObjFun)"});
- _ ->
- emit({"'dec_",asn1ct_gen:list2name(NewTypename),
- "'(",BytesVar,", telltype)"})
- end
- end,
+ Pre = gen_dec_line_open_type(Erule, Ext, Pos),
+ Decode = gen_dec_line_special(Erule, Atype, TopType, Comp, DecInfObj, Ext),
+ Post =
+ fun({SaveBytes,Finish}) ->
+ {AccTerm,AccBytes} = Finish(),
+ #'ComponentType'{name=Cname} = Comp,
case DecInfObj of
- {Cname,{_,OSet,UniqueFName,ValIndex}} ->
- Term = asn1ct_gen:mk_var(asn1ct_name:curr(term)),
- ValueMatch = value_match(ValIndex,Term),
- {ObjSetMod,ObjSetName} =
- case OSet of
- {M,O} -> {{asis,M},O};
- _ -> {"?MODULE",OSet}
+ {Cname,ObjSet} ->
+ ObjSetRef =
+ case ObjSet of
+ {deep,OSName,_,_} ->
+ OSName;
+ _ -> ObjSet
end,
- emit({",",nl,"ObjFun = ",ObjSetMod,
- ":'getdec_",ObjSetName,"'(",
- {asis,UniqueFName},", ",ValueMatch,")"});
+ {AccTerm++[{ObjSetRef,Cname,
+ asn1ct_gen:mk_var(asn1ct_name:curr(term))}],
+ AccBytes++SaveBytes};
_ ->
- ok
- end,
- []
+ {AccTerm,AccBytes++SaveBytes}
+ end
end,
- case Ext of
- {ext,Ep2,_} when Pos >= Ep2 ->
- emit([", {TmpValx",Pos,",Trem",Pos,"}",nl,"end"]);
- _ -> true
- end,
- %% Prepare return value
+ [Pre,Decode,{safe,Post}].
+
+gen_dec_line_open_type(Erule, {ext,Ep,_}, Pos) when Pos >= Ep ->
+ Imm = asn1ct_imm:per_dec_open_type(is_aligned(Erule)),
+ {safe,fun(St) ->
+ emit(["begin",nl]),
+ BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)),
+ {Dst,DstBuf} = asn1ct_imm:dec_slim_cg(Imm, BytesVar),
+ emit([",",nl,"{TmpValx",Pos,",_} = "]),
+ {Dst,
+ fun() ->
+ emit([",",nl,
+ "{TmpValx",Pos,",",DstBuf,"}",nl,
+ "end"]),
+ St
+ end}
+ end};
+gen_dec_line_open_type(_, _, _) ->
+ {safe,fun(St) ->
+ {asn1ct_gen:mk_var(asn1ct_name:curr(bytes)),
+ fun() -> St end}
+ end}.
+
+gen_dec_line_special(_, {typefield,_}, _TopType, Comp,
+ DecInfObj, Ext) ->
+ #'ComponentType'{name=Cname,typespec=Type,prop=Prop} = Comp,
+ fun({_BytesVar,PrevSt}) ->
+ case DecInfObj of
+ false -> % This is in a choice with typefield components
+ {Name,RestFieldNames} =
+ (Type#type.def)#'ObjectClassFieldType'.fieldname,
+
+ asn1ct_name:new(tmpterm),
+ asn1ct_name:new(reason),
+ emit([indent(2),"{",{curr,tmpterm},", ",{next,bytes},
+ "} = ?RT_PER:decode_open_type(",{curr,bytes},
+ ", []),",nl]),
+ emit([indent(2),"case (catch ObjFun(",
+ {asis,Name},",",{curr,tmpterm},",telltype,",
+ {asis,RestFieldNames},")) of", nl]),
+ emit([indent(4),"{'EXIT',",{curr,reason},"} ->",nl]),
+ emit([indent(6),"exit({'Type not ",
+ "compatible with table constraint', ",
+ {curr,reason},"});",nl]),
+ asn1ct_name:new(tmpterm),
+ emit([indent(4),"{",{curr,tmpterm},", _} ->",nl]),
+ emit([indent(6),"{",{asis,Cname},", {",{curr,tmpterm},", ",
+ {next,bytes},"}}",nl]),
+ emit([indent(2),"end"]),
+ {[],PrevSt};
+ {"got objfun through args","ObjFun"} ->
+ %% this is when the generated code gots the
+ %% objfun though arguments on function
+ %% invocation.
+ if
+ Ext == noext andalso Prop == mandatory ->
+ ok;
+ true ->
+ asn1ct_name:new(tmpterm),
+ asn1ct_name:new(tmpbytes),
+ emit([nl," {",{curr,tmpterm},", ",{curr,tmpbytes},"} ="])
+ end,
+ {Name,RestFieldNames} =
+ (Type#type.def)#'ObjectClassFieldType'.fieldname,
+ emit(["?RT_PER:decode_open_type(",{curr,bytes},
+ ", []),",nl]),
+ if
+ Ext == noext andalso Prop == mandatory ->
+ emit([{curr,term}," =",nl," "]);
+ true ->
+ emit([" {"])
+ end,
+ emit(["case (catch ObjFun(",{asis,Name},",",
+ {curr,tmpterm},",telltype,",
+ {asis,RestFieldNames},")) of", nl]),
+ emit([" {'EXIT',",{curr,reason},"} ->",nl]),
+ emit([indent(6),"exit({'Type not ",
+ "compatible with table constraint', ",
+ {curr,reason},"});",nl]),
+ asn1ct_name:new(tmpterm),
+ emit([indent(4),"{",{curr,tmpterm},", _} ->",nl]),
+ emit([indent(6),{curr,tmpterm},nl]),
+ emit([indent(2),"end"]),
+ if
+ Ext == noext andalso Prop == mandatory ->
+ ok;
+ true ->
+ emit([",",nl,{curr,tmpbytes},"}"])
+ end,
+ {[],PrevSt};
+ _ ->
+ emit(["?RT_PER:decode_open_type(",{curr,bytes},
+ ", [])"]),
+ RefedFieldName =
+ (Type#type.def)#'ObjectClassFieldType'.fieldname,
+
+ {[{Cname,RefedFieldName,
+ asn1ct_gen:mk_var(asn1ct_name:curr(term)),
+ asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),
+ Prop}],PrevSt}
+ end
+ end;
+gen_dec_line_special(_, {objectfield,PrimFieldName1,PFNList}, _TopType,
+ Comp, _DecInfObj, _Ext) ->
+ fun({_BytesVar,PrevSt}) ->
+ emit(["?RT_PER:decode_open_type(",{curr,bytes},", [])"]),
+ #'ComponentType'{name=Cname,prop=Prop} = Comp,
+ SaveBytes = [{Cname,{PrimFieldName1,PFNList},
+ asn1ct_gen:mk_var(asn1ct_name:curr(term)),
+ asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),
+ Prop}],
+ {SaveBytes,PrevSt}
+ end;
+gen_dec_line_special(Erule, Atype, TopType, Comp, DecInfObj, _Ext) ->
+ case gen_dec_line_other(Erule, Atype, TopType, Comp) of
+ Fun when is_function(Fun, 1) ->
+ fun({BytesVar,PrevSt}) ->
+ Fun(BytesVar),
+ gen_dec_line_dec_inf(Comp, DecInfObj),
+ {[],PrevSt}
+ end;
+ Imm0 ->
+ {imm,Imm0,
+ fun(Imm, {BytesVar,PrevSt}) ->
+ asn1ct_imm:dec_code_gen(Imm, BytesVar),
+ gen_dec_line_dec_inf(Comp, DecInfObj),
+ {[],PrevSt}
+ end}
+ end.
+
+gen_dec_line_dec_inf(Comp, DecInfObj) ->
+ #'ComponentType'{name=Cname} = Comp,
case DecInfObj of
- {Cname,ObjSet} ->
- ObjSetRef =
- case ObjSet of
- {deep,OSName,_,_} ->
- OSName;
- _ -> ObjSet
+ {Cname,{_,OSet,UniqueFName,ValIndex}} ->
+ Term = asn1ct_gen:mk_var(asn1ct_name:curr(term)),
+ ValueMatch = value_match(ValIndex,Term),
+ {ObjSetMod,ObjSetName} =
+ case OSet of
+ {M,O} -> {{asis,M},O};
+ _ -> {"?MODULE",OSet}
end,
- {[{ObjSetRef,Cname,asn1ct_gen:mk_var(asn1ct_name:curr(term))}],
- SaveBytes};
+ emit({",",nl,"ObjFun = ",ObjSetMod,
+ ":'getdec_",ObjSetName,"'(",
+ {asis,UniqueFName},", ",ValueMatch,")"});
_ ->
- {[],SaveBytes}
+ ok
+ end.
+
+gen_dec_line_other(Erule, Atype, TopType, Comp) ->
+ #'ComponentType'{name=Cname,typespec=Type} = Comp,
+ CurrMod = get(currmod),
+ Ctgenmod = asn1ct_gen:ct_gen_module(Erule),
+ case asn1ct_gen:type(Atype) of
+ #'Externaltypereference'{module=CurrMod,type=EType} ->
+ fun(BytesVar) ->
+ emit({"'dec_",EType,"'(",BytesVar,",telltype)"})
+ end;
+ #'Externaltypereference'{module=Mod,type=EType} ->
+ fun(BytesVar) ->
+ emit({"'",Mod,"':'dec_",EType,"'(",BytesVar,
+ ",telltype)"})
+ end;
+ {primitive,bif} ->
+ case Atype of
+ {fixedtypevaluefield,_,Btype} ->
+ gen_dec_prim(Ctgenmod, Erule, Btype);
+ _ ->
+ gen_dec_prim(Ctgenmod, Erule, Type)
+ end;
+ 'ASN1_OPEN_TYPE' ->
+ case Type#type.def of
+ #'ObjectClassFieldType'{type=OpenType} ->
+ gen_dec_prim(Ctgenmod, Erule, #type{def=OpenType});
+ _ ->
+ gen_dec_prim(Ctgenmod, Erule, Type)
+ end;
+ #typereference{val=Dname} ->
+ fun(BytesVar) ->
+ emit({"'dec_",Dname,"'(",BytesVar,",telltype)"})
+ end;
+ {notype,_} ->
+ fun(BytesVar) ->
+ emit({"'dec_",Atype,"'(",BytesVar,",telltype)"})
+ end;
+ {constructed,bif} ->
+ NewTypename = [Cname|TopType],
+ case Type#type.tablecinf of
+ [{objfun,_}|_R] ->
+ fun(BytesVar) ->
+ emit({"'dec_",asn1ct_gen:list2name(NewTypename),
+ "'(",BytesVar,", telltype, ObjFun)"})
+ end;
+ _ ->
+ fun(BytesVar) ->
+ emit({"'dec_",asn1ct_gen:list2name(NewTypename),
+ "'(",BytesVar,", telltype)"})
+ end
+ end
+ end.
+
+gen_dec_prim(Ctgenmod, Erule, Type) ->
+ case asn1ct_gen_per:gen_dec_imm(Erule, Type) of
+ no ->
+ fun(BytesVar) ->
+ Ctgenmod:gen_dec_prim(Erule, Type, BytesVar)
+ end;
+ Imm ->
+ Imm
end.
gen_enc_choice(Erule,TopType,CompList,Ext) ->
@@ -1578,22 +1731,17 @@ gen_encode_prim_wrapper(CtgenMod,Erule,Cont,DoTag,Value) ->
make_elements(I,Val,ExtCnames) ->
make_elements(I,Val,ExtCnames,[]).
-make_elements(I,Val,[ExtCname],Acc)-> % the last one, no comma needed
- Element = make_element(I,Val,ExtCname),
+make_elements(I,Val,[_ExtCname],Acc)-> % the last one, no comma needed
+ Element = make_element(I, Val),
make_elements(I+1,Val,[],[Element|Acc]);
-make_elements(I,Val,[ExtCname|Rest],Acc)->
- Element = make_element(I,Val,ExtCname),
+make_elements(I,Val,[_ExtCname|Rest],Acc)->
+ Element = make_element(I, Val),
make_elements(I+1,Val,Rest,[", ",Element|Acc]);
make_elements(_I,_,[],Acc) ->
lists:reverse(Acc).
-make_element(I,Val,Cname) ->
- case tuple_notation_allowed() of
- true ->
- io_lib:format("?RT_PER:cindex(~w,~s,~w)",[I,Val,Cname]);
- _ ->
- io_lib:format("element(~w,~s)",[I,Val])
- end.
+make_element(I, Val) ->
+ io_lib:format("element(~w,~s)", [I,Val]).
emit_extaddgroupTerms(VarSeries,[_]) ->
asn1ct_name:new(VarSeries),
@@ -1651,22 +1799,12 @@ wrap_extensionAdditionGroups([],_,Acc,_,_) ->
lists:reverse(Acc).
-tuple_notation_allowed() ->
- Options = get(encoding_options),
- not (lists:member(optimize,Options) orelse lists:member(uper_bin,Options)).
-
-wrap_gen_dec_line(Erule,C,TopType,Cname,Type,Pos,DIO,Ext) ->
+wrap_gen_dec_line(Erule,C,TopType,_Cname,_Type,Pos,DIO,Ext) ->
put(component_type,{true,C}),
- gen_dec_line(Erule,TopType,Cname,Type,Pos,DIO,Ext,mandatory),
+ gen_dec_line(Erule, TopType, C#'ComponentType'{prop=mandatory},
+ Pos, DIO, Ext),
erase(component_type).
-get_components_prop() ->
- case get(component_type) of
- undefined ->
- mandatory;
- {true,#'ComponentType'{prop=Prop}} -> Prop
- end.
-
value_match(Index,Value) when is_atom(Value) ->
value_match(Index,atom_to_list(Value));
@@ -1683,7 +1821,5 @@ notice_value_match() ->
Module = get(currmod),
put(value_match,{true,Module}).
-is_optimized(per_bin) ->
- lists:member(optimize,get(encoding_options));
-is_optimized(_Erule) ->
- false.
+is_optimized(per) -> true;
+is_optimized(uper) -> false.
diff --git a/lib/asn1/src/asn1ct_gen.erl b/lib/asn1/src/asn1ct_gen.erl
index 64a3555f62..57b12ce186 100644
--- a/lib/asn1/src/asn1ct_gen.erl
+++ b/lib/asn1/src/asn1ct_gen.erl
@@ -37,8 +37,7 @@
gen_check_call/7,
get_constraint/2,
insert_once/2,
- rt2ct_suffix/1,
- rt2ct_suffix/0,
+ ct_gen_module/1,
index2suffix/1,
get_record_name_prefix/0]).
-export([pgen/5,
@@ -52,7 +51,7 @@
%% pgen(Outfile, Erules, Module, TypeOrVal, Options)
%% Generate Erlang module (.erl) and (.hrl) file corresponding to an ASN.1 module
%% .hrl file is only generated if necessary
-%% Erules = per | ber | ber_bin | per_bin
+%% Erules = per | ber
%% Module = atom()
%% TypeOrVal = {TypeList,ValueList}
%% TypeList = ValueList = [atom()]
@@ -83,7 +82,7 @@ pgen_module(OutFile,Erules,Module,
pgen_exports(Erules,Module,TypeOrVal),
pgen_dispatcher(Erules,Module,TypeOrVal),
pgen_info(),
- pgen_typeorval(wrap_ber(Erules),Module,N2nConvEnums,TypeOrVal),
+ pgen_typeorval(Erules,Module,N2nConvEnums,TypeOrVal),
pgen_partial_incomplete_decode(Erules),
% gen_vars(asn1_db:mod_to_vars(Module)),
% gen_tag_table(AllTypes),
@@ -92,8 +91,7 @@ pgen_module(OutFile,Erules,Module,
pgen_typeorval(Erules,Module,N2nConvEnums,{Types,Values,_Ptypes,_Classes,Objects,ObjectSets}) ->
- Rtmod = list_to_atom(lists:concat(["asn1ct_gen_",erule(Erules),
- rt2ct_suffix(Erules)])),
+ Rtmod = ct_gen_module(Erules),
pgen_types(Rtmod,Erules,N2nConvEnums,Module,Types),
pgen_values(Erules,Module,Values),
pgen_objects(Rtmod,Erules,Module,Objects),
@@ -196,7 +194,7 @@ pgen_check_defaultval(Erules,Module) ->
end,
gen_check_defaultval(Erules,Module,CheckObjects).
-pgen_partial_decode(Rtmod,Erule,Module) when Erule == ber_bin_v2 ->
+pgen_partial_decode(Rtmod,Erule,Module) when Erule == ber ->
pgen_partial_inc_dec(Rtmod,Erule,Module),
pgen_partial_dec(Rtmod,Erule,Module);
pgen_partial_decode(_,_,_) ->
@@ -240,7 +238,7 @@ pgen_partial_inc_dec1(Rtmod,Erules,Module,[P|Ps]) ->
pgen_partial_inc_dec1(_,_,_,[]) ->
ok.
-gen_partial_inc_dec_refed_funcs(Rtmod,Erule) when Erule == ber_bin_v2 ->
+gen_partial_inc_dec_refed_funcs(Rtmod,Erule) when Erule == ber ->
case asn1ct:next_refed_func() of
[] ->
ok;
@@ -296,8 +294,7 @@ pgen_partial_types1(_,undefined) ->
%% TypeList a decode function will be generated.
traverse_type_structure(Erules,Type,[],FuncName,TopTypeName) ->
%% this is the selected type
- Ctmod = list_to_atom(lists:concat(["asn1ct_gen_",erule(Erules),
- rt2ct_suffix(Erules)])),
+ Ctmod = ct_gen_module(Erules),
TypeDef =
case Type of
#type{} ->
@@ -457,7 +454,7 @@ pgen_partial_incomplete_decode(Erule) ->
_ ->
ok
end.
-pgen_partial_incomplete_decode1(ber_bin_v2) ->
+pgen_partial_incomplete_decode1(ber) ->
case asn1ct:read_config_data(partial_incomplete_decode) of
undefined ->
ok;
@@ -552,20 +549,17 @@ gen_part_decode_funcs(WhatKind,_TypeName,{_,Directive,_,_}) ->
gen_types(Erules,Tname,{RootL1,ExtList,RootL2})
when is_list(RootL1), is_list(RootL2) ->
gen_types(Erules,Tname,RootL1),
- Rtmod = list_to_atom(lists:concat(["asn1ct_gen_",erule(Erules),
- rt2ct_suffix(Erules)])),
+ Rtmod = ct_gen_module(Erules),
gen_types(Erules,Tname,Rtmod:extaddgroup2sequence(ExtList)),
gen_types(Erules,Tname,RootL2);
gen_types(Erules,Tname,{RootList,ExtList}) when is_list(RootList) ->
gen_types(Erules,Tname,RootList),
- Rtmod = list_to_atom(lists:concat(["asn1ct_gen_",erule(Erules),
- rt2ct_suffix(Erules)])),
+ Rtmod = ct_gen_module(Erules),
gen_types(Erules,Tname,Rtmod:extaddgroup2sequence(ExtList));
gen_types(Erules,Tname,[{'EXTENSIONMARK',_,_}|Rest]) ->
gen_types(Erules,Tname,Rest);
gen_types(Erules,Tname,[ComponentType|Rest]) ->
- Rtmod = list_to_atom(lists:concat(["asn1ct_gen_",erule(Erules),
- rt2ct_suffix(Erules)])),
+ Rtmod = ct_gen_module(Erules),
asn1ct_name:clear(),
Rtmod:gen_encode(Erules,Tname,ComponentType),
asn1ct_name:clear(),
@@ -574,8 +568,7 @@ gen_types(Erules,Tname,[ComponentType|Rest]) ->
gen_types(_,_,[]) ->
true;
gen_types(Erules,Tname,Type) when is_record(Type,type) ->
- Rtmod = list_to_atom(lists:concat(["asn1ct_gen_",erule(Erules),
- rt2ct_suffix(Erules)])),
+ Rtmod = ct_gen_module(Erules),
asn1ct_name:clear(),
Rtmod:gen_encode(Erules,Tname,Type),
asn1ct_name:clear(),
@@ -754,8 +747,7 @@ gen_value(Value) when is_record(Value,valuedef) ->
emit([{asis,V},".",nl,nl]).
gen_encode_constructed(Erules,Typename,InnerType,D) when is_record(D,type) ->
-
- Rtmod = list_to_atom(lists:concat(["asn1ct_constructed_",erule(Erules)])),
+ Rtmod = ct_constructed_module(Erules),
case InnerType of
'SET' ->
Rtmod:gen_encode_set(Erules,Typename,D),
@@ -787,7 +779,7 @@ gen_encode_constructed(Erules,Typename,InnerType,D)
gen_encode_constructed(Erules,Typename,InnerType,D#typedef.typespec).
gen_decode_constructed(Erules,Typename,InnerType,D) when is_record(D,type) ->
- Rtmod = list_to_atom(lists:concat(["asn1ct_constructed_",erule(Erules)])),
+ Rtmod = ct_constructed_module(Erules),
asn1ct:step_in_constructed(), %% updates namelist for exclusive decode
case InnerType of
'SET' ->
@@ -818,27 +810,11 @@ pgen_exports(Erules,_Module,{Types,Values,_,_,Objects,ObjectSets}) ->
case Erules of
ber ->
gen_exports1(Types,"enc_",2);
- ber_bin ->
- gen_exports1(Types,"enc_",2);
- ber_bin_v2 ->
- gen_exports1(Types,"enc_",2);
_ ->
gen_exports1(Types,"enc_",1)
end,
emit({"-export([",nl}),
- gen_exports1(Types,"dec_",2),
- case Erules of
- ber ->
- emit({"-export([",nl}),
- gen_exports1(Types,"dec_",3);
- ber_bin ->
- emit({"-export([",nl}),
- gen_exports1(Types,"dec_",3);
-% ber_bin_v2 ->
-% emit({"-export([",nl}),
-% gen_exports1(Types,"dec_",2);
- _ -> ok
- end
+ gen_exports1(Types,"dec_",2)
end,
case [X || {n2n,X} <- get(encoding_options)] of
[] -> ok;
@@ -863,16 +839,11 @@ pgen_exports(Erules,_Module,{Types,Values,_,_,Objects,ObjectSets}) ->
gen_exports1(Objects,"enc_",3),
emit({"-export([",nl}),
gen_exports1(Objects,"dec_",4);
- ber_bin_v2 ->
+ ber ->
emit({"-export([",nl}),
gen_exports1(Objects,"enc_",3),
emit({"-export([",nl}),
- gen_exports1(Objects,"dec_",3);
- _ ->
- emit({"-export([",nl}),
- gen_exports1(Objects,"enc_",4),
- emit({"-export([",nl}),
- gen_exports1(Objects,"dec_",4)
+ gen_exports1(Objects,"dec_",3)
end
end,
case ObjectSets of
@@ -948,20 +919,17 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) ->
emit(["encoding_rule() ->",nl]),
emit([" ",{asis,Erules},".",nl,nl]),
NoFinalPadding = lists:member(no_final_padding,get(encoding_options)),
- Call = case Erules of
- per -> "?RT_PER:complete(encode_disp(Type,Data))";
- per_bin -> ["?RT_PER:complete(encode_disp(Type,Data))"];
- ber -> "encode_disp(Type,Data)";
- ber_bin -> "encode_disp(Type,Data)";
- ber_bin_v2 -> "encode_disp(Type,Data)";
- uper_bin when NoFinalPadding == true ->
- "?RT_PER:complete_NFP(encode_disp(Type,Data))";
- uper_bin -> ["?RT_PER:complete(encode_disp(Type,Data))"]
- end,
- EncWrap = case Erules of
- ber -> "wrap_encode(Bytes)";
- _ -> "Bytes"
- end,
+ {Call,BytesAsBinary} =
+ case Erules of
+ per ->
+ {["?RT_PER:complete(encode_disp(Type,Data))"],"Bytes"};
+ ber ->
+ {"encode_disp(Type,Data)","iolist_to_binary(Bytes)"};
+ uper when NoFinalPadding == true ->
+ {"?RT_PER:complete_NFP(encode_disp(Type,Data))","Bytes"};
+ uper ->
+ {["?RT_PER:complete(encode_disp(Type,Data))"],"Bytes"}
+ end,
emit(["encode(Type,Data) ->",nl,
"case catch ",Call," of",nl,
" {'EXIT',{error,Reason}} ->",nl,
@@ -969,42 +937,25 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) ->
" {'EXIT',Reason} ->",nl,
" {error,{asn1,Reason}};",nl,
" {Bytes,_Len} ->",nl,
- " {ok,",EncWrap,"};",nl]),
- case Erules of
- per ->
- emit([" Bytes when is_binary(Bytes) ->",nl,
- " {ok,binary_to_list(Bytes)};",nl,
- " Bytes ->",nl,
- " {ok,binary_to_list(list_to_binary(Bytes))}",nl,
- " end.",nl,nl]);
- _ ->
- emit([" Bytes ->",nl,
- " {ok,",EncWrap,"}",nl,
- "end.",nl,nl])
- end,
-
-% case Erules of
-% ber_bin_v2 ->
-% emit(["decode(Type,Data0) ->",nl]),
-% emit(["{Data,_RestBin} = ?RT_BER:decode(Data0",nif_parameter(),"),",nl]);
-% _ ->
-% emit(["decode(Type,Data) ->",nl])
-% end,
+ " {ok,",BytesAsBinary,"};",nl,
+ " Bytes ->",nl,
+ " {ok,",BytesAsBinary,"}",nl,
+ "end.",nl,nl]),
Return_rest = lists:member(undec_rest,get(encoding_options)),
Data = case {Erules,Return_rest} of
- {ber_bin_v2,true} -> "Data0";
+ {ber,true} -> "Data0";
_ -> "Data"
end,
emit(["decode(Type,",Data,") ->",nl]),
DecAnonymous =
case {Erules,Return_rest} of
- {ber_bin_v2,false} ->
+ {ber,false} ->
io_lib:format("~s~s~s~n",
["element(1,?RT_BER:decode(Data",
nif_parameter(),"))"]);
- {ber_bin_v2,true} ->
+ {ber,true} ->
emit(["{Data,Rest} = ?RT_BER:decode(Data0",
nif_parameter(),"),",nl]),
"Data";
@@ -1012,10 +963,8 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) ->
"Data"
end,
DecWrap = case Erules of
- ber -> "wrap_decode(Data)";
- ber_bin_v2 ->
+ ber ->
DecAnonymous;
- per -> "list_to_binary(Data)";
_ -> "Data"
end,
@@ -1025,32 +974,18 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) ->
" {'EXIT',Reason} ->",nl,
" {error,{asn1,Reason}};",nl]),
case {Erules,Return_rest} of
- {ber_bin_v2,false} ->
+ {ber,false} ->
emit([" Result ->",nl,
" {ok,Result}",nl]);
- {ber_bin_v2,true} ->
+ {ber,true} ->
emit([" Result ->",nl,
" {ok,Result,Rest}",nl]);
- {per,false} ->
- emit([" {X,_Rest} ->",nl,
- " {ok,if_binary2list(X)};",nl,
- " {X,_Rest,_Len} ->",nl,
- " {ok,if_binary2list(X)}",nl]);
{_,false} ->
emit([" {X,_Rest} ->",nl,
" {ok,X};",nl,
" {X,_Rest,_Len} ->",nl,
" {ok,X}",nl]);
- {per,true} ->
- emit([" {X,{_,Rest}} ->",nl,
- " {ok,if_binary2list(X),Rest};",nl,
- " {X,{_,Rest},_Len} ->",nl,
- " {ok,if_binary2list(X),Rest};",nl,
- " {X,Rest} ->",nl,
- " {ok,if_binary2list(X),Rest};",nl,
- " {X,Rest,_Len} ->",nl,
- " {ok,if_binary2list(X),Rest}",nl]);
- {per_bin,true} ->
+ {per,true} ->
emit([" {X,{_,Rest}} ->",nl,
" {ok,X,Rest};",nl,
" {X,{_,Rest},_Len} ->",nl,
@@ -1059,7 +994,7 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) ->
" {ok,X,Rest};",nl,
" {X,Rest,_Len} ->",nl,
" {ok,X,Rest}",nl]);
- {uper_bin,true} ->
+ {uper,true} ->
emit([" {X,{_,Rest}} ->",nl,
" {ok,X,Rest};",nl,
" {X,{_,Rest},_Len} ->",nl,
@@ -1067,34 +1002,14 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) ->
" {X,Rest} ->",nl,
" {ok,X,Rest};",nl,
" {X,Rest,_Len} ->",nl,
- " {ok,X,Rest}",nl]);
- _ ->
- emit([" {X,Rest} ->",nl,
- " {ok,X,Rest};",nl,
- " {X,Rest,_Len} ->",nl,
" {ok,X,Rest}",nl])
end,
emit(["end.",nl,nl]),
- case Erules of
- per ->
- emit(["if_binary2list(B) when is_binary(B) ->",nl,
- " binary_to_list(B);",nl,
- "if_binary2list(L) -> L.",nl,nl]);
- _ ->
- ok
- end,
-
gen_decode_partial_incomplete(Erules),
case Erules of
ber ->
- gen_dispatcher(Types,"encode_disp","enc_",",[]"),
- gen_dispatcher(Types,"decode_disp","dec_",",mandatory");
- ber_bin ->
- gen_dispatcher(Types,"encode_disp","enc_",",[]"),
- gen_dispatcher(Types,"decode_disp","dec_",",mandatory");
- ber_bin_v2 ->
gen_dispatcher(Types,"encode_disp","enc_",""),
gen_dispatcher(Types,"decode_disp","dec_",""),
gen_partial_inc_dispatcher();
@@ -1103,17 +1018,10 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) ->
gen_dispatcher(Types,"decode_disp","dec_",",mandatory")
end,
emit([nl]),
-
- case Erules of
- ber ->
- gen_wrapper();
- _ -> ok
- end,
emit({nl,nl}).
-gen_decode_partial_incomplete(Erule) when Erule == ber;Erule==ber_bin;
- Erule==ber_bin_v2 ->
+gen_decode_partial_incomplete(ber) ->
case {asn1ct:read_config_data(partial_incomplete_decode),
asn1ct:get_gen_state_field(inc_type_pattern)} of
{undefined,_} ->
@@ -1121,34 +1029,35 @@ gen_decode_partial_incomplete(Erule) when Erule == ber;Erule==ber_bin;
{_,undefined} ->
ok;
_ ->
- case Erule of
- ber_bin_v2 ->
- EmitCaseClauses =
- fun() ->
- emit([" {'EXIT',{error,Reason}} ->",nl,
- " {error,Reason};",nl,
- " {'EXIT',Reason} ->",nl,
- " {error,{asn1,Reason}};",nl,
- " Result ->",nl,
- " {ok,Result}",nl,
- " end.",nl,nl])
- end,
- emit(["decode_partial_incomplete(Type,Data0,",
- "Pattern) ->",nl]),
- emit([" {Data,_RestBin} =",nl,
- " ?RT_BER:decode_primitive_",
- "incomplete(Pattern,Data0),",nl,
- " case catch decode_partial_inc_disp(Type,",
- "Data) of",nl]),
- EmitCaseClauses(),
- emit(["decode_part(Type,Data0) ->",nl]),
- emit([" case catch decode_inc_disp(Type,element(1,"
- "?RT_BER:decode(Data0",nif_parameter(),"))) of",nl]),
-% " {Data,_RestBin} = ?RT_BER:decode(Data0),",nl,
-% " case catch decode_inc_disp(Type,Data) of",nl]),
- EmitCaseClauses();
- _ -> ok % add later
- end
+ EmitCaseClauses =
+ fun() ->
+ emit([" {'EXIT',{error,Reason}} ->",nl,
+ " {error,Reason};",nl,
+ " {'EXIT',Reason} ->",nl,
+ " {error,{asn1,Reason}};",nl,
+ " Result ->",nl,
+ " {ok,Result}",nl,
+ " end"])
+ end,
+ emit(["decode_partial_incomplete(Type,Data0,",
+ "Pattern) ->",nl]),
+ emit([" {Data,_RestBin} =",nl,
+ " ?RT_BER:decode_primitive_",
+ "incomplete(Pattern,Data0),",nl,
+ " case catch decode_partial_inc_disp(Type,",
+ "Data) of",nl]),
+ EmitCaseClauses(),
+ emit([".",nl,nl]),
+ emit(["decode_part(Type, Data0) "
+ "when is_binary(Data0) ->",nl]),
+ emit([" case catch decode_inc_disp(Type,element(1,"
+ "?RT_BER:decode(Data0",nif_parameter(),"))) of",nl]),
+ EmitCaseClauses(),
+ emit([";",nl]),
+ emit(["decode_part(Type, Data0) ->",nl]),
+ emit([" case catch decode_inc_disp(Type, Data0) of",nl]),
+ EmitCaseClauses(),
+ emit([".",nl,nl])
end;
gen_decode_partial_incomplete(_Erule) ->
ok.
@@ -1187,23 +1096,8 @@ gen_partial_inc_dispatcher([],_) ->
" exit({error,{asn1,{undefined_type,Type}}}).",nl]).
nif_parameter() ->
- Options = get(encoding_options),
- case {lists:member(driver,Options),lists:member(nif,Options)} of
- {true,_} -> ",nif";
- {_,true} -> ",nif";
- _ -> ""
- end.
+ ",nif".
-gen_wrapper() ->
- emit(["wrap_encode(Bytes) when is_list(Bytes) ->",nl,
- " binary_to_list(list_to_binary(Bytes));",nl,
- "wrap_encode(Bytes) when is_binary(Bytes) ->",nl,
- " binary_to_list(Bytes);",nl,
- "wrap_encode(Bytes) -> Bytes.",nl,nl]),
- emit(["wrap_decode(Bytes) when is_list(Bytes) ->",nl,
- " list_to_binary(Bytes);",nl,
- "wrap_decode(Bytes) -> Bytes.",nl]).
-
gen_dispatcher([F1,F2|T],FuncName,Prefix,ExtraArg) ->
emit([FuncName,"('",F1,"',Data) -> '",Prefix,F1,"'(Data",ExtraArg,")",";",nl]),
gen_dispatcher([F2|T],FuncName,Prefix,ExtraArg);
@@ -1213,19 +1107,16 @@ gen_dispatcher([Flast|_T],FuncName,Prefix,ExtraArg) ->
pgen_info() ->
emit(["info() ->",nl,
- " case ?MODULE:module_info() of",nl,
- " MI when is_list(MI) ->",nl,
- " case lists:keysearch(attributes,1,MI) of",nl,
- " {value,{_,Attributes}} when is_list(Attributes) ->",nl,
- " case lists:keysearch(asn1_info,1,Attributes) of",nl,
- " {value,{_,Info}} when is_list(Info) ->",nl,
- " Info;",nl,
- " _ ->",nl,
- " []",nl,
- " end;",nl,
- " _ ->",nl,
- " []",nl,
- " end",nl,
+ " case ?MODULE:module_info(attributes) of",nl,
+ " Attributes when is_list(Attributes) ->",nl,
+ " case lists:keyfind(asn1_info, 1, Attributes) of",nl,
+ " {_,Info} when is_list(Info) ->",nl,
+ " Info;",nl,
+ " _ ->",nl,
+ " []",nl,
+ " end;",nl,
+ " _ ->",nl,
+ " []",nl,
" end.",nl]).
open_hrl(OutFile,Module) ->
@@ -1496,32 +1387,15 @@ gen_head(Erules,Mod,Hrl) ->
{Rtmac,Rtmod} = case Erules of
per ->
emit({"%% Generated by the Erlang ASN.1 PER-"
- "compiler version:",asn1ct:vsn(),nl}),
- {"RT_PER",?RT_PER_BIN};
- ber ->
- emit({"%% Generated by the Erlang ASN.1 BER-"
- "compiler version:",asn1ct:vsn(),nl}),
- {"RT_BER",?RT_BER_BIN};
- per_bin ->
- emit({"%% Generated by the Erlang ASN.1 BER-"
- "compiler version, utilizing bit-syntax:",
- asn1ct:vsn(),nl}),
- %% temporary code to enable rt2ct optimization
- case lists:member(optimize,Options) of
- true -> {"RT_PER","asn1rt_per_bin_rt2ct"};
- _ -> {"RT_PER",?RT_PER_BIN}
- end;
- ber_bin ->
- emit({"%% Generated by the Erlang ASN.1 BER-"
"compiler version, utilizing bit-syntax:",
asn1ct:vsn(),nl}),
- {"RT_BER",?RT_BER_BIN};
- ber_bin_v2 ->
+ {"RT_PER","asn1rt_per_bin_rt2ct"};
+ ber ->
emit({"%% Generated by the Erlang ASN.1 BER_V2-"
"compiler version, utilizing bit-syntax:",
asn1ct:vsn(),nl}),
{"RT_BER","asn1rt_ber_bin_v2"};
- uper_bin ->
+ uper ->
emit(["%% Generated by the Erlang ASN.1 UNALIGNED"
" PER-compiler version, utilizing"
" bit-syntax:",
@@ -1531,7 +1405,7 @@ gen_head(Erules,Mod,Hrl) ->
emit({"%% Purpose: encoder and decoder to the types in mod ",Mod,nl,nl}),
emit({"-module('",Mod,"').",nl}),
put(currmod,Mod),
- %emit({"-compile(export_all).",nl}),
+ emit({"-compile(nowarn_unused_vars).",nl}),
case {Hrl,lists:member(inline,get(encoding_options))} of
{0,_} -> true;
{_,true} -> true;
@@ -1541,7 +1415,7 @@ gen_head(Erules,Mod,Hrl) ->
emit(["-define('",Rtmac,"',",Rtmod,").",nl]),
emit(["-asn1_info([{vsn,'",asn1ct:vsn(),"'},",nl,
" {module,'",Mod,"'},",nl,
- " {options,",io_lib:format("~w",[Options]),"}]).",nl,nl]).
+ " {options,",io_lib:format("~p",[Options]),"}]).",nl,nl]).
gen_hrlhead(Mod) ->
@@ -2019,43 +1893,29 @@ constructed_suffix('SEQUENCE OF',_) ->
constructed_suffix('SET OF',_) ->
'SETOF'.
-erule(ber) ->
- ber;
-erule(ber_bin) ->
- ber;
-erule(ber_bin_v2) ->
- ber_bin_v2;
-erule(per) ->
- per;
-erule(per_bin) ->
- per;
-erule(uper_bin) ->
- per.
-
-wrap_ber(ber) ->
- ber_bin;
-wrap_ber(Erule) ->
- Erule.
-
-rt2ct_suffix() ->
- Options = get(encoding_options),
- case {lists:member(optimize,Options),lists:member(per_bin,Options)} of
- {true,true} -> "_rt2ct";
- _ -> ""
- end.
-rt2ct_suffix(per_bin) ->
- Options = get(encoding_options),
- case lists:member(optimize,Options) of
- true -> "_rt2ct";
- _ -> ""
- end;
-rt2ct_suffix(_) -> "".
+erule(ber) -> ber;
+erule(per) -> per;
+erule(uper) -> per.
index2suffix(0) ->
"";
index2suffix(N) ->
lists:concat(["_",N]).
+ct_gen_module(ber) ->
+ asn1ct_gen_ber_bin_v2;
+ct_gen_module(per) ->
+ asn1ct_gen_per_rt2ct;
+ct_gen_module(uper) ->
+ asn1ct_gen_per.
+
+ct_constructed_module(ber) ->
+ asn1ct_constructed_ber_bin_v2;
+ct_constructed_module(per) ->
+ asn1ct_constructed_per;
+ct_constructed_module(uper) ->
+ asn1ct_constructed_per.
+
get_constraint(C,Key) ->
case lists:keysearch(Key,1,C) of
false ->
diff --git a/lib/asn1/src/asn1ct_gen_ber.erl b/lib/asn1/src/asn1ct_gen_ber.erl
deleted file mode 100644
index 491ebcb8fd..0000000000
--- a/lib/asn1/src/asn1ct_gen_ber.erl
+++ /dev/null
@@ -1,1749 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
-%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%%
-%% %CopyrightEnd%
-%%
-%%
--module(asn1ct_gen_ber).
-
-%% Generate erlang module which handles (PER) encode and decode for
-%% all types in an ASN.1 module
-
--include("asn1_records.hrl").
-
--export([pgen/4]).
--export([decode_class/1, decode_type/1]).
--export([add_removed_bytes/0]).
--export([gen_encode/2,gen_encode/3,gen_decode/2,gen_decode/3]).
--export([gen_encode_prim/4]).
--export([gen_dec_prim/8]).
--export([gen_objectset_code/2, gen_obj_code/3]).
--export([re_wrap_erule/1]).
--export([unused_var/2]).
--export([extaddgroup2sequence/1]).
-
--import(asn1ct_gen, [emit/1,demit/1]).
-
- % the encoding of class of tag bits 8 and 7
--define(UNIVERSAL, 0).
--define(APPLICATION, 16#40).
--define(CONTEXT, 16#80).
--define(PRIVATE, 16#C0).
-
- % primitive or constructed encoding % bit 6
--define(PRIMITIVE, 0).
--define(CONSTRUCTED, 2#00100000).
-
-
--define(T_ObjectDescriptor, ?UNIVERSAL bor ?PRIMITIVE bor 7).
- % restricted character string types
--define(T_NumericString, ?UNIVERSAL bor ?PRIMITIVE bor 18). %can be constructed
--define(T_PrintableString, ?UNIVERSAL bor ?PRIMITIVE bor 19). %can be constructed
--define(T_TeletexString, ?UNIVERSAL bor ?PRIMITIVE bor 20). %can be constructed
--define(T_VideotexString, ?UNIVERSAL bor ?PRIMITIVE bor 21). %can be constructed
--define(T_IA5String, ?UNIVERSAL bor ?PRIMITIVE bor 22). %can be constructed
--define(T_GraphicString, ?UNIVERSAL bor ?PRIMITIVE bor 25). %can be constructed
--define(T_VisibleString, ?UNIVERSAL bor ?PRIMITIVE bor 26). %can be constructed
--define(T_GeneralString, ?UNIVERSAL bor ?PRIMITIVE bor 27). %can be constructed
-
-%% pgen(Erules, Module, TypeOrVal)
-%% Generate Erlang module (.erl) and (.hrl) file corresponding to an ASN.1 module
-%% .hrl file is only generated if necessary
-%% Erules = per | ber
-%% Module = atom()
-%% TypeOrVal = {TypeList,ValueList,PTypeList}
-%% TypeList = ValueList = [atom()]
-
-pgen(OutFile,Erules,Module,TypeOrVal) ->
- asn1ct_gen:pgen_module(OutFile,Erules,Module,TypeOrVal,[],true).
-
-
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-%% Generate ENCODING
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-
-%%===============================================================================
-%% encode #{typedef, {pos, name, typespec}}
-%%===============================================================================
-
-gen_encode(Erules,Type) when is_record(Type,typedef) ->
- gen_encode_user(Erules,Type).
-
-%%===============================================================================
-%% encode #{type, {tag, def, constraint}}
-%%===============================================================================
-
-gen_encode(Erules,Typename,Type) when is_record(Type,type) ->
- InnerType = asn1ct_gen:get_inner(Type#type.def),
- ObjFun =
- case lists:keysearch(objfun,1,Type#type.tablecinf) of
- {value,{_,_Name}} ->
- ", ObjFun";
- false ->
- ""
- end,
- case asn1ct_gen:type(InnerType) of
- {constructed,bif} ->
- emit([nl,nl,nl,"%%================================"]),
- emit([nl,"%% ",asn1ct_gen:list2name(Typename)]),
- emit([nl,"%%================================",nl]),
- case lists:member(InnerType,['SET','SEQUENCE']) of
- true ->
- case get(asn_keyed_list) of
- true ->
- CompList =
- case Type#type.def of
- #'SEQUENCE'{components=Cl} -> Cl;
- #'SET'{components=Cl} -> Cl
- end,
- emit([nl,"'enc_",asn1ct_gen:list2name(Typename),
- "'(Val, TagIn",ObjFun,
- ") when is_list(Val) ->",nl]),
- emit([" 'enc_",asn1ct_gen:list2name(Typename),
- "'(?RT_BER:fixoptionals(",
- {asis,optionals(CompList)},
- ",Val), TagIn",ObjFun,");",nl,nl]);
- _ -> true
- end;
- _ ->
- emit([nl,"'enc_",asn1ct_gen:list2name(Typename),
- "'({'",asn1ct_gen:list2name(Typename),
- "',Val}, TagIn",ObjFun,") ->",nl]),
- emit([" 'enc_",asn1ct_gen:list2name(Typename),
- "'(Val, TagIn",ObjFun,");",nl,nl])
- end,
- emit(["'enc_",asn1ct_gen:list2name(Typename),
- "'(Val, TagIn",ObjFun,") ->",nl," "]),
- asn1ct_gen:gen_encode_constructed(Erules,Typename,InnerType,Type);
- _ ->
- true
- end;
-
-%%===============================================================================
-%% encode ComponentType
-%%===============================================================================
-
-gen_encode(Erules,Tname,#'ComponentType'{name=Cname,typespec=Type}) ->
- NewTname = [Cname|Tname],
- %% The tag is set to [] to avoid that it is
- %% taken into account twice, both as a component/alternative (passed as
- %% argument to the encode decode function and within the encode decode
- %% function it self.
- NewType = Type#type{tag=[]},
- gen_encode(Erules,NewTname,NewType).
-
-gen_encode_user(Erules,D) when is_record(D,typedef) ->
- Typename = [D#typedef.name],
- Type = D#typedef.typespec,
- InnerType = asn1ct_gen:get_inner(Type#type.def),
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- emit([nl,nl,"%%================================"]),
- emit([nl,"%% ",Typename]),
- emit([nl,"%%================================",nl]),
- case lists:member(InnerType,['SET','SEQUENCE']) of
- true ->
- case get(asn_keyed_list) of
- true ->
- CompList =
- case Type#type.def of
- #'SEQUENCE'{components=Cl} -> Cl;
- #'SET'{components=Cl} -> Cl
- end,
-
- emit([nl,"'enc_",asn1ct_gen:list2name(Typename),
- "'(Val, TagIn) when is_list(Val) ->",nl]),
- emit([" 'enc_",asn1ct_gen:list2name(Typename),
- "'(?RT_BER:fixoptionals(",
- {asis,optionals(CompList)},
- ",Val), TagIn);",nl,nl]);
- _ -> true
- end;
- _ ->
- emit({nl,"'enc_",asn1ct_gen:list2name(Typename),
- "'({'",asn1ct_gen:list2name(Typename),"',Val}, TagIn) ->",nl}),
- emit({" 'enc_",asn1ct_gen:list2name(Typename),"'(Val, TagIn);",nl,nl})
- end,
- emit({"'enc_",asn1ct_gen:list2name(Typename),"'(",
- unused_var("Val",Type#type.def),", TagIn) ->",nl}),
- CurrentMod = get(currmod),
- case asn1ct_gen:type(InnerType) of
- {constructed,bif} ->
- asn1ct_gen:gen_encode_constructed(Erules,Typename,InnerType,D);
- {primitive,bif} ->
- asn1ct_gen_ber:gen_encode_prim(ber,Type,["TagIn ++ ",
- {asis,Tag}],"Val"),
- emit([".",nl]);
- #typereference{val=Ename} ->
- emit([" 'enc_",Ename,"'(Val, TagIn ++ ",{asis,Tag},").",nl]);
- #'Externaltypereference'{module=CurrentMod,type=Etype} ->
- emit([" 'enc_",Etype,"'(Val, TagIn ++ ",
- {asis,Tag},").",nl]);
- #'Externaltypereference'{module=Emod,type=Etype} ->
- emit([" '",Emod,"':'enc_",Etype,"'(Val, TagIn ++ ",
- {asis,Tag},").",nl]);
- 'ASN1_OPEN_TYPE' ->
- emit(["%% OPEN TYPE",nl]),
- asn1ct_gen_ber:gen_encode_prim(ber,
- Type#type{def='ASN1_OPEN_TYPE'},
- ["TagIn ++ ",
- {asis,Tag}],"Val"),
- emit([".",nl])
- end.
-
-unused_var(Var,#'SEQUENCE'{components=Cl}) ->
- unused_var1(Var,Cl);
-unused_var(Var,#'SET'{components=Cl}) ->
- unused_var1(Var,Cl);
-unused_var(Var,_) ->
- Var.
-unused_var1(Var,Cs) when Cs == []; Cs == {[],[]} ->
- lists:concat(["_",Var]);
-unused_var1(Var,_) ->
- Var.
-
-unused_optormand_var(Var,Def) ->
- case asn1ct_gen:type(asn1ct_gen:get_inner(Def)) of
- 'ASN1_OPEN_TYPE' ->
- lists:concat(["_",Var]);
- _ ->
- Var
- end.
-
-
-gen_encode_prim(Erules,D,DoTag,Value) when is_record(D,type) ->
-
-%%% Currently not used for BER (except for BitString) and therefore replaced
-%%% with [] as a placeholder
- BitStringConstraint = D#type.constraint,
- Constraint = [],
- asn1ct_name:new(enumval),
- case D#type.def of
- 'BOOLEAN' ->
- emit_encode_func('boolean',Value,DoTag);
- 'INTEGER' ->
- emit_encode_func('integer',Constraint,Value,DoTag);
- {'INTEGER',NamedNumberList} ->
- emit_encode_func('integer',Constraint,Value,
- NamedNumberList,DoTag);
- {'ENUMERATED',NamedNumberList={_,_}} ->
-
- emit(["case (case ",Value," of {_,",{curr,enumval},"}->",
- {curr,enumval},";_->", Value," end) of",nl]),
- asn1ct_name:new(enumval),
- emit_enc_enumerated_cases(NamedNumberList,DoTag);
- {'ENUMERATED',NamedNumberList} ->
-
- emit(["case (case ",Value," of {_,",{curr,enumval},"}->",
- {curr,enumval},";_->", Value," end) of",nl]),
- asn1ct_name:new(enumval),
- emit_enc_enumerated_cases(NamedNumberList,DoTag);
-
- 'REAL' ->
- emit_encode_func('real',Constraint,Value,DoTag);
-
- {'BIT STRING',NamedNumberList} ->
- emit_encode_func('bit_string',BitStringConstraint,Value,
- NamedNumberList,DoTag);
- 'ANY' ->
- emit_encode_func('open_type', Value,DoTag);
- 'NULL' ->
- emit_encode_func('null',Value,DoTag);
- 'OBJECT IDENTIFIER' ->
- emit_encode_func("object_identifier",Value,DoTag);
- 'RELATIVE-OID' ->
- emit_encode_func("relative_oid",Value,DoTag);
- 'ObjectDescriptor' ->
- emit_encode_func('restricted_string',Constraint,Value,
- ?T_ObjectDescriptor,DoTag);
- 'OCTET STRING' ->
- emit_encode_func('octet_string',Constraint,Value,DoTag);
- 'NumericString' ->
- emit_encode_func('restricted_string',Constraint,Value,
- ?T_NumericString,DoTag);
- TString when TString == 'TeletexString';
- TString == 'T61String' ->
- emit_encode_func('restricted_string',Constraint,Value,
- ?T_TeletexString,DoTag);
- 'VideotexString' ->
- emit_encode_func('restricted_string',Constraint,Value,
- ?T_VideotexString,DoTag);
- 'GraphicString' ->
- emit_encode_func('restricted_string',Constraint,Value,
- ?T_GraphicString,DoTag);
- 'VisibleString' ->
- emit_encode_func('restricted_string',Constraint,Value,
- ?T_VisibleString,DoTag);
- 'GeneralString' ->
- emit_encode_func('restricted_string',Constraint,Value,
- ?T_GeneralString,DoTag);
- 'PrintableString' ->
- emit_encode_func('restricted_string',Constraint,Value,
- ?T_PrintableString,DoTag);
- 'IA5String' ->
- emit_encode_func('restricted_string',Constraint,Value,
- ?T_IA5String,DoTag);
- 'UniversalString' ->
- emit_encode_func('universal_string',Constraint,Value,DoTag);
- 'UTF8String' ->
- emit_encode_func('UTF8_string',Constraint,Value,DoTag);
- 'BMPString' ->
- emit_encode_func('BMP_string',Constraint,Value,DoTag);
- 'UTCTime' ->
- emit_encode_func('utc_time',Constraint,Value,DoTag);
- 'GeneralizedTime' ->
- emit_encode_func('generalized_time',Constraint,Value,DoTag);
- 'ASN1_OPEN_TYPE' ->
- emit_encode_func('open_type', Value,DoTag);
- #'ObjectClassFieldType'{} ->
- case asn1ct_gen:get_inner(D#type.def) of
- {fixedtypevaluefield,_,InnerType} ->
- gen_encode_prim(Erules,InnerType,DoTag,Value);
- 'ASN1_OPEN_TYPE' ->
- emit_encode_func('open_type', Value,DoTag);
- XX ->
- exit({'can not encode' ,XX})
- end;
- XX ->
- exit({'can not encode' ,XX})
- end.
-
-
-emit_encode_func(Name,Value,Tags) when is_atom(Name) ->
- emit_encode_func(atom_to_list(Name),Value,Tags);
-emit_encode_func(Name,Value,Tags) ->
- Fname = "?RT_BER:encode_" ++ Name,
- emit([Fname,"(",Value,", ",Tags,")"]).
-
-emit_encode_func(Name,Constraint,Value,Tags) when is_atom(Name) ->
- emit_encode_func(atom_to_list(Name),Constraint,Value,Tags);
-emit_encode_func(Name,Constraint,Value,Tags) ->
- Fname = "?RT_BER:encode_" ++ Name,
- emit([Fname,"(",{asis,Constraint},", ",Value,", ",Tags,")"]).
-
-emit_encode_func(Name,Constraint,Value,Asis,Tags) when is_atom(Name) ->
- emit_encode_func(atom_to_list(Name),Constraint,Value,Asis,Tags);
-emit_encode_func(Name,Constraint,Value,Asis,Tags) ->
- Fname = "?RT_BER:encode_" ++ Name,
- emit([Fname,"(",{asis,Constraint},", ",Value,
- ", ",{asis,Asis},
- ", ",Tags,")"]).
-
-emit_enc_enumerated_cases({L1,L2}, Tags) ->
- emit_enc_enumerated_cases(L1++L2, Tags, ext);
-emit_enc_enumerated_cases(L, Tags) ->
- emit_enc_enumerated_cases(L, Tags, noext).
-
-emit_enc_enumerated_cases([{EnumName,EnumVal},H2|T], Tags, Ext) ->
- emit([{asis,EnumName}," -> ?RT_BER:encode_enumerated(",EnumVal,",",Tags,");",nl]),
-%% emit(["'",{asis,EnumName},"' -> ?RT_BER:encode_enumerated(",EnumVal,",",Tags,");",nl]),
- emit_enc_enumerated_cases([H2|T], Tags, Ext);
-emit_enc_enumerated_cases([{EnumName,EnumVal}], Tags, Ext) ->
- emit([{asis,EnumName}," -> ?RT_BER:encode_enumerated(",EnumVal,",",Tags,")"]),
-%% emit(["'",{asis,EnumName},"' -> ?RT_BER:encode_enumerated(",EnumVal,",",Tags,")"]),
- case Ext of
- noext -> emit([";",nl]);
- ext ->
-%% emit([";",nl,"{asn1_enum,",{curr,enumval},"} -> ",
-%% "?RT_BER:encode_enumerated(",{curr,enumval},",",Tags,");",nl]),
-%% asn1ct_name:new(enumval)
- emit([";",nl])
- end,
- emit([{curr,enumval}," -> exit({error,{asn1, {enumerated_not_in_range,",{curr, enumval},"}}})"]),
- emit([nl,"end"]).
-
-
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-%% Generate DECODING
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-
-%%===============================================================================
-%% decode #{typedef, {pos, name, typespec}}
-%%===============================================================================
-
-gen_decode(Erules,Type) when is_record(Type,typedef) ->
- D = Type,
- emit({nl,nl}),
- emit({"'dec_",Type#typedef.name,"'(Bytes, OptOrMand) ->",nl}),
- emit({" 'dec_",Type#typedef.name,"'(Bytes, OptOrMand, []).",nl,nl}),
- emit({"'dec_",Type#typedef.name,"'(Bytes, ",
- unused_optormand_var("OptOrMand",(Type#typedef.typespec)#type.def),", TagIn) ->",nl}),
- dbdec(Type#typedef.name),
- gen_decode_user(Erules,D).
-
-
-%%===============================================================================
-%% decode #{type, {tag, def, constraint}}
-%%===============================================================================
-
-gen_decode(Erules,Tname,Type) when is_record(Type,type) ->
- Typename = Tname,
- InnerType = asn1ct_gen:get_inner(Type#type.def),
- case asn1ct_gen:type(InnerType) of
- {constructed,bif} ->
- ObjFun =
- case Type#type.tablecinf of
- [{objfun,_}|_R] ->
- ", ObjFun";
- _ ->
- ""
- end,
- emit({"'dec_",asn1ct_gen:list2name(Typename),"'(Bytes, OptOrMand, TagIn",ObjFun,") ->",nl}),
- dbdec(Typename),
- asn1ct_gen:gen_decode_constructed(Erules,Typename,InnerType,Type);
- _ ->
- true
- end;
-
-
-%%===============================================================================
-%% decode ComponentType
-%%===============================================================================
-
-gen_decode(Erules,Tname,#'ComponentType'{name=Cname,typespec=Type}) ->
- NewTname = [Cname|Tname],
- %% The tag is set to [] to avoid that it is
- %% taken into account twice, both as a component/alternative (passed as
- %% argument to the encode decode function and within the encode decode
- %% function it self.
- NewType = Type#type{tag=[]},
- gen_decode(Erules,NewTname,NewType).
-
-
-gen_decode_user(Erules,D) when is_record(D,typedef) ->
- Typename = [D#typedef.name],
- Def = D#typedef.typespec,
- InnerType = asn1ct_gen:get_inner(Def#type.def),
- InnerTag = Def#type.tag ,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- InnerTag],
- case asn1ct_gen:type(InnerType) of
- 'ASN1_OPEN_TYPE' ->
- BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)),
- asn1ct_name:new(len),
- gen_dec_prim(Erules, Def#type{def='ASN1_OPEN_TYPE'},
- BytesVar, Tag, "TagIn",no_length,
- ?PRIMITIVE,"OptOrMand"),
- emit({".",nl,nl});
- {primitive,bif} ->
- BytesVar = asn1ct_gen:mk_var(asn1ct_name:curr(bytes)),
- asn1ct_name:new(len),
- gen_dec_prim(Erules, Def, BytesVar, Tag, "TagIn",no_length,
- ?PRIMITIVE,"OptOrMand"),
- emit({".",nl,nl});
- {constructed,bif} ->
- asn1ct_gen:gen_decode_constructed(Erules,Typename,InnerType,D);
- TheType ->
- DecFunName = mkfuncname(TheType,dec),
- emit({DecFunName,"(",{curr,bytes},
- ", OptOrMand, TagIn++",{asis,Tag},")"}),
- emit({".",nl,nl})
- end.
-
-
-gen_dec_prim(Erules,Att,BytesVar,DoTag,TagIn,Length,Form,OptOrMand) ->
- Typename = Att#type.def,
-%% Currently not used for BER replaced with [] as place holder
-%% Constraint = Att#type.constraint,
-%% Constraint = [],
- Constraint =
- case get_constraint(Att#type.constraint,'SizeConstraint') of
- no -> [];
- Tc -> Tc
- end,
- ValueRange =
- case get_constraint(Att#type.constraint,'ValueRange') of
- no -> [];
- Tv -> Tv
- end,
- SingleValue =
- case get_constraint(Att#type.constraint,'SingleValue') of
- no -> [];
- Sv -> Sv
- end,
- AsBin = case get(binary_strings) of
- true -> "_as_bin";
- _ -> ""
- end,
- NewTypeName = case Typename of
- 'ANY' -> 'ASN1_OPEN_TYPE';
- _ -> Typename
- end,
- DoLength =
- case NewTypeName of
- 'BOOLEAN'->
- emit({"?RT_BER:decode_boolean(",BytesVar,","}),
- false;
- 'INTEGER' ->
- emit({"?RT_BER:decode_integer(",BytesVar,",",
- {asis,int_constr(SingleValue,ValueRange)},","}),
- false;
- {'INTEGER',NamedNumberList} ->
- emit({"?RT_BER:decode_integer(",BytesVar,",",
- {asis,int_constr(SingleValue,ValueRange)},",",
- {asis,NamedNumberList},","}),
- false;
- {'ENUMERATED',NamedNumberList} ->
- emit({"?RT_BER:decode_enumerated(",BytesVar,",",
- {asis,Constraint},",",
- {asis,NamedNumberList},","}),
- false;
- 'REAL' ->
- emit({"?RT_BER:decode_real(",BytesVar,",",
- {asis,Constraint},","}),
- false;
- {'BIT STRING',NamedNumberList} ->
- case get(compact_bit_string) of
- true ->
- emit({"?RT_BER:decode_compact_bit_string(",
- BytesVar,",",{asis,Constraint},",",
- {asis,NamedNumberList},","});
- _ ->
- emit({"?RT_BER:decode_bit_string(",BytesVar,",",
- {asis,Constraint},",",
- {asis,NamedNumberList},","})
- end,
- true;
- 'NULL' ->
- emit({"?RT_BER:decode_null(",BytesVar,","}),
- false;
- 'OBJECT IDENTIFIER' ->
- emit({"?RT_BER:decode_object_identifier(",BytesVar,","}),
- false;
- 'RELATIVE-OID' ->
- emit({"?RT_BER:decode_relative_oid(",BytesVar,","}),
- false;
- 'ObjectDescriptor' ->
- emit({"?RT_BER:decode_restricted_string(",
- BytesVar,",",{asis,Constraint},",",{asis,?T_ObjectDescriptor},","}),
- true;
- 'OCTET STRING' ->
- emit({"?RT_BER:decode_octet_string",AsBin,"(",BytesVar,",",{asis,Constraint},","}),
- true;
- 'NumericString' ->
- emit({"?RT_BER:decode_restricted_string",AsBin,"(",
- BytesVar,",",{asis,Constraint},",",{asis,?T_NumericString},","}),true;
- TString when TString == 'TeletexString';
- TString == 'T61String' ->
- emit({"?RT_BER:decode_restricted_string",AsBin,"(",
- BytesVar,",",{asis,Constraint},",",{asis,?T_TeletexString},","}),
- true;
- 'VideotexString' ->
- emit({"?RT_BER:decode_restricted_string",AsBin,"(",
- BytesVar,",",{asis,Constraint},",",{asis,?T_VideotexString},","}),
- true;
- 'GraphicString' ->
- emit({"?RT_BER:decode_restricted_string",AsBin,"(",
- BytesVar,",",{asis,Constraint},",",{asis,?T_GraphicString},","})
- ,true;
- 'VisibleString' ->
- emit({"?RT_BER:decode_restricted_string",AsBin,"(",
- BytesVar,",",{asis,Constraint},",",{asis,?T_VisibleString},","}),
- true;
- 'GeneralString' ->
- emit({"?RT_BER:decode_restricted_string",AsBin,"(",
- BytesVar,",",{asis,Constraint},",",{asis,?T_GeneralString},","}),
- true;
- 'PrintableString' ->
- emit({"?RT_BER:decode_restricted_string",AsBin,"(",
- BytesVar,",",{asis,Constraint},",",{asis,?T_PrintableString},","}),
- true;
- 'IA5String' ->
- emit({"?RT_BER:decode_restricted_string",AsBin,"(",
- BytesVar,",",{asis,Constraint},",",{asis,?T_IA5String},","}),
- true;
- 'UniversalString' ->
- emit({"?RT_BER:decode_universal_string",AsBin,"(",
- BytesVar,",",{asis,Constraint},","}),
- true;
- 'UTF8String' ->
- emit({"?RT_BER:decode_UTF8_string",AsBin,"(",
- BytesVar,","}),
- false;
- 'BMPString' ->
- emit({"?RT_BER:decode_BMP_string",AsBin,"(",
- BytesVar,",",{asis,Constraint},","}),
- true;
- 'UTCTime' ->
- emit({"?RT_BER:decode_utc_time",AsBin,"(",
- BytesVar,",",{asis,Constraint},","}),
- true;
- 'GeneralizedTime' ->
- emit({"?RT_BER:decode_generalized_time",AsBin,"(",
- BytesVar,",",{asis,Constraint},","}),
- true;
- 'ASN1_OPEN_TYPE' ->
- emit(["?RT_BER:decode_open_type(",re_wrap_erule(Erules),",",
- BytesVar,","]),
- false;
- #'ObjectClassFieldType'{} ->
- case asn1ct_gen:get_inner(Att#type.def) of
- {fixedtypevaluefield,_,InnerType} ->
- gen_dec_prim(Erules,InnerType,BytesVar,DoTag,TagIn,Length,Form,OptOrMand),
- false;
- 'ASN1_OPEN_TYPE' ->
- emit(["?RT_BER:decode_open_type(",
- re_wrap_erule(Erules),",",
- BytesVar,","]),
- false;
- XX ->
- exit({'can not decode' ,XX})
- end;
- Other ->
- exit({'can not decode' ,Other})
- end,
-
- NewLength = case DoLength of
- true -> [", ", Length];
- false -> ""
- end,
- NewOptOrMand = case OptOrMand of
- _ when is_list(OptOrMand) -> OptOrMand;
- mandatory -> {asis,mandatory};
- _ -> {asis,opt_or_default}
- end,
- case {TagIn,NewTypeName} of
- {_,#'ObjectClassFieldType'{}} ->
- case asn1ct_gen:get_inner(Att#type.def) of
- 'ASN1_OPEN_TYPE' ->
- emit([{asis,DoTag},")"]);
- _ -> ok
- end;
- {[],'ASN1_OPEN_TYPE'} ->
- emit([{asis,DoTag},")"]);
- {_,'ASN1_OPEN_TYPE'} ->
- emit([TagIn,"++",{asis,DoTag},")"]);
- {[],_} ->
- emit([{asis,DoTag},NewLength,", ",NewOptOrMand,")"]);
- _ when is_list(TagIn) ->
- emit([TagIn,"++",{asis,DoTag},NewLength,", ",NewOptOrMand,")"])
- end.
-
-
-int_constr([],[]) ->
- [];
-int_constr([],ValueRange) ->
- ValueRange;
-int_constr(SingleValue,[]) ->
- SingleValue;
-int_constr(SV,VR) ->
- [SV,VR].
-
-%% Object code generating for encoding and decoding
-%% ------------------------------------------------
-
-gen_obj_code(Erules,_Module,Obj) when is_record(Obj,typedef) ->
- ObjName = Obj#typedef.name,
- Def = Obj#typedef.typespec,
- #'Externaltypereference'{module=M,type=ClName} = Def#'Object'.classname,
- Class = asn1_db:dbget(M,ClName),
-
- {object,_,Fields} = Def#'Object'.def,
- emit({nl,nl,nl,"%%================================"}),
- emit({nl,"%% ",ObjName}),
- emit({nl,"%%================================",nl}),
- EncConstructed =
- gen_encode_objectfields(ClName,get_class_fields(Class),
- ObjName,Fields,[]),
- emit(nl),
- gen_encode_constr_type(Erules,EncConstructed),
- emit(nl),
- DecConstructed =
- gen_decode_objectfields(ClName,get_class_fields(Class),
- ObjName,Fields,[]),
- emit(nl),
- gen_decode_constr_type(Erules,DecConstructed);
-gen_obj_code(_Erules,_Module,Obj) when is_record(Obj,pobjectdef) ->
- ok.
-
-
-gen_encode_objectfields(ClassName,[{typefield,Name,OptOrMand}|Rest],
- ObjName,ObjectFields,ConstrAcc) ->
- EmitFuncClause =
- fun(Args) ->
- emit(["'enc_",ObjName,"'(",{asis,Name},
- ", ",Args,", _RestPrimFieldName) ->",nl])
- end,
-% emit(["'enc_",ObjName,"'(",{asis,Name},
-% ", Val, TagIn, _RestPrimFieldName) ->",nl]),
- MaybeConstr=
- case {get_object_field(Name,ObjectFields),OptOrMand} of
- {false,'MANDATORY'} -> %% this case is illegal
- exit({error,{asn1,{"missing mandatory field in object",
- ObjName}}});
- {false,'OPTIONAL'} -> %% OPTIONAL field in class
- EmitFuncClause("Val, _"), %% Value must be anything
- %% already encoded
- emit([" {Val,0}"]),
- [];
- {false,{'DEFAULT',DefaultType}} ->
- EmitFuncClause("Val, TagIn"),
- gen_encode_default_call(ClassName,Name,DefaultType);
- {{Name,TypeSpec},_} ->
- %% A specified field owerwrites any 'DEFAULT' or
- %% 'OPTIONAL' field in the class
- EmitFuncClause("Val, TagIn"),
- gen_encode_field_call(ObjName,Name,TypeSpec)
- end,
- case more_genfields(Rest) of
- true ->
- emit([";",nl]);
- false ->
- emit([".",nl])
- end,
- gen_encode_objectfields(ClassName,Rest,ObjName,ObjectFields,
- MaybeConstr++ConstrAcc);
-gen_encode_objectfields(ClassName,[{objectfield,Name,_,_,OptOrMand}|Rest],
- ObjName,ObjectFields,ConstrAcc) ->
- CurrentMod = get(currmod),
- EmitFuncClause =
- fun(Args) ->
- emit(["'enc_",ObjName,"'(",{asis,Name},
- ", ",Args,") ->",nl])
- end,
-% emit(["'enc_",ObjName,"'(",{asis,Name},
-% ", Val, TagIn, [H|T]) ->",nl]),
- case {get_object_field(Name,ObjectFields),OptOrMand} of
- {false,'MANDATORY'} ->
- exit({error,{asn1,{"missing mandatory field in object",
- ObjName}}});
- {false,'OPTIONAL'} ->
- EmitFuncClause("_,_,_"),
- emit([" exit({error,{'use of missing field in object', ",{asis,Name},
- "}})"]);
- {false,{'DEFAULT',_DefaultObject}} ->
- exit({error,{asn1,{"not implemented yet",Name}}});
- {{Name,#'Externalvaluereference'{module=CurrentMod,
- value=TypeName}},_} ->
- EmitFuncClause(" Val, TagIn, [H|T]"),
- emit({indent(3),"'enc_",TypeName,"'(H, Val, TagIn, T)"});
- {{Name,#'Externalvaluereference'{module=M,value=TypeName}},_} ->
- EmitFuncClause(" Val, TagIn, [H|T]"),
- emit({indent(3),"'",M,"':'enc_",TypeName,"'(H, Val, TagIn, T)"});
- {{Name,TypeSpec},_} ->
- EmitFuncClause(" Val, TagIn, [H|T]"),
- case TypeSpec#typedef.name of
- {ExtMod,TypeName} ->
- emit({indent(3),"'",ExtMod,"':'enc_",TypeName,
- "'(H, Val, TagIn, T)"});
- TypeName ->
- emit({indent(3),"'enc_",TypeName,"'(H, Val, TagIn, T)"})
- end
- end,
- case more_genfields(Rest) of
- true ->
- emit([";",nl]);
- false ->
- emit([".",nl])
- end,
- gen_encode_objectfields(ClassName,Rest,ObjName,ObjectFields,ConstrAcc);
-gen_encode_objectfields(ClassName,[_|Cs],O,OF,Acc) ->
- gen_encode_objectfields(ClassName,Cs,O,OF,Acc);
-gen_encode_objectfields(_,[],_,_,Acc) ->
- Acc.
-
-
-% gen_encode_objectfields(Class,ObjName,[{FieldName,Type}|Rest],ConstrAcc) ->
-% Fields = Class#objectclass.fields,
-% MaybeConstr=
-% case is_typefield(Fields,FieldName) of
-% true ->
-% Def = Type#typedef.typespec,
-% OTag = Def#type.tag,
-% Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
-% emit({"'enc_",ObjName,"'(",{asis,FieldName},
-% ", Val, TagIn, RestPrimFieldName) ->",nl}),
-% CAcc=
-% case Type#typedef.name of
-% {primitive,bif} ->
-% gen_encode_prim(ber,Def,["TagIn ++ ",{asis,Tag}],
-% "Val"),
-% [];
-% {constructed,bif} ->
-% %%InnerType = asn1ct_gen:get_inner(Def#type.def),
-% %%asn1ct_gen:gen_encode_constructed(ber,[ObjName],
-% %% InnerType,Def);
-% emit({" 'enc_",ObjName,'_',FieldName,
-% "'(Val, TagIn ++ ",{asis,Tag},")"}),
-% [{['enc_',ObjName,'_',FieldName],Def}];
-% {ExtMod,TypeName} ->
-% emit({" '",ExtMod,"':'enc_",TypeName,
-% "'(Val, TagIn ++ ",{asis,Tag},")"}),
-% [];
-% TypeName ->
-% emit({" 'enc_",TypeName,"'(Val, TagIn ++ ",
-% {asis,Tag},")"}),
-% []
-% end,
-% case more_genfields(Fields,Rest) of
-% true ->
-% emit({";",nl});
-% false ->
-% emit({".",nl})
-% end,
-% CAcc;
-% {false,objectfield} ->
-% emit({"'enc_",ObjName,"'(",{asis,FieldName},
-% ", Val, TagIn, [H|T]) ->",nl}),
-% case Type#typedef.name of
-% {ExtMod,TypeName} ->
-% emit({indent(3),"'",ExtMod,"':'enc_",TypeName,
-% "'(H, Val, TagIn, T)"});
-% TypeName ->
-% emit({indent(3),"'enc_",TypeName,"'(H, Val, TagIn, T)"})
-% end,
-% case more_genfields(Fields,Rest) of
-% true ->
-% emit({";",nl});
-% false ->
-% emit({".",nl})
-% end,
-% [];
-% {false,_} -> []
-% end,
-% gen_encode_objectfields(Class,ObjName,Rest,MaybeConstr ++ ConstrAcc);
-% gen_encode_objectfields(C,O,[H|T],Acc) ->
-% gen_encode_objectfields(C,O,T,Acc);
-% gen_encode_objectfields(_,_,[],Acc) ->
-% Acc.
-
-% gen_encode_constr_type([{Name,Def}|Rest]) ->
-% emit({Name,"(Val,TagIn) ->",nl}),
-% InnerType = asn1ct_gen:get_inner(Def#type.def),
-% asn1ct_gen:gen_encode_constructed(ber,Name,InnerType,Def),
-% gen_encode_constr_type(Rest);
-gen_encode_constr_type(Erules,[TypeDef|Rest]) when is_record(TypeDef,typedef) ->
- case is_already_generated(enc,TypeDef#typedef.name) of
- true -> ok;
- _ -> gen_encode_user(Erules,TypeDef)
- end,
- gen_encode_constr_type(Erules,Rest);
-gen_encode_constr_type(_,[]) ->
- ok.
-
-gen_encode_field_call(_ObjName,_FieldName,
- #'Externaltypereference'{module=M,type=T}) ->
- CurrentMod = get(currmod),
- TDef = asn1_db:dbget(M,T),
- Def = TDef#typedef.typespec,
- OTag = Def#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- if
- M == CurrentMod ->
- emit({" 'enc_",T,"'(Val, TagIn ++ ",{asis,Tag},")"}),
- [];
- true ->
- emit({" '",M,"':'enc_",T,"'(Val, TagIn ++ ",{asis,Tag},")"}),
- []
- end;
-gen_encode_field_call(ObjName,FieldName,Type) ->
- Def = Type#typedef.typespec,
- OTag = Def#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- case Type#typedef.name of
- {primitive,bif} -> %%tag should be the primitive tag
- gen_encode_prim(ber,Def,["TagIn ++ ",{asis,Tag}],
- "Val"),
- [];
- {constructed,bif} ->
- emit({" 'enc_",ObjName,'_',FieldName,
- "'(Val, TagIn ++",{asis,Tag},")"}),
- [Type#typedef{name=list_to_atom(lists:concat([ObjName,'_',FieldName]))}];
- {ExtMod,TypeName} ->
- emit({" '",ExtMod,"':'enc_",TypeName,
- "'(Val, TagIn ++ ",{asis,Tag},")"}),
- [];
- TypeName ->
- emit({" 'enc_",TypeName,"'(Val, TagIn ++ ",{asis,Tag},")"}),
- []
- end.
-
-gen_encode_default_call(ClassName,FieldName,Type) ->
- CurrentMod = get(currmod),
- InnerType = asn1ct_gen:get_inner(Type#type.def),
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- case asn1ct_gen:type(InnerType) of
- {constructed,bif} ->
-%% asn1ct_gen:gen_encode_constructed(Erules,Typename,InnerType,Type);
- emit([" 'enc_",ClassName,'_',FieldName,"'(Bytes, TagIn ++ ",
- {asis,Tag},")"]),
- [#typedef{name=list_to_atom(lists:concat([ClassName,'_',FieldName])),
- typespec=Type}];
- {primitive,bif} ->
- gen_encode_prim(ber,Type,["TagIn ++ ",{asis,Tag}],"Val"),
- [];
- #'Externaltypereference'{module=CurrentMod,type=Etype} ->
- emit([" 'enc_",Etype,"'(Val, TagIn ++ ",{asis,Tag},")",nl]),
- [];
- #'Externaltypereference'{module=Emod,type=Etype} ->
- emit([" '",Emod,"':'enc_",Etype,"'(Val, TagIn ++ ",{asis,Tag},")",nl]),
- []
- end.
-
-
-
-gen_decode_objectfields(ClassName,[{typefield,Name,OptOrMand}|Rest],
- ObjName,ObjectFields,ConstrAcc) ->
- EmitFuncClause =
- fun(Args) ->
- emit(["'dec_",ObjName,"'(",{asis,Name},
- ", ",Args,"_) ->",nl])
- end,
-% emit(["'dec_",ObjName,"'(",{asis,Name},
-% ", Bytes, TagIn, RestPrimFieldName) ->",nl]),
- MaybeConstr=
- case {get_object_field(Name,ObjectFields),OptOrMand} of
- {false,'MANDATORY'} -> %% this case is illegal
- exit({error,{asn1,{"missing mandatory field in object",
- ObjName}}});
- {false,'OPTIONAL'} ->
- EmitFuncClause("Bytes, _,"),
-% emit([" asn1_NOVALUE"]),
- emit([" {Bytes,[],0}"]),
- [];
- {false,{'DEFAULT',DefaultType}} ->
- EmitFuncClause("Bytes, TagIn,"),
- gen_decode_default_call(ClassName,Name,"Bytes",DefaultType);
- {{Name,TypeSpec},_} ->
- %% A specified field owerwrites any 'DEFAULT' or
- %% 'OPTIONAL' field in the class
- EmitFuncClause("Bytes, TagIn,"),
- gen_decode_field_call(ObjName,Name,"Bytes",TypeSpec)
- end,
- case more_genfields(Rest) of
- true ->
- emit([";",nl]);
- false ->
- emit([".",nl])
- end,
- gen_decode_objectfields(ClassName,Rest,ObjName,ObjectFields,MaybeConstr++ConstrAcc);
-gen_decode_objectfields(ClassName,[{objectfield,Name,_,_,OptOrMand}|Rest],
- ObjName,ObjectFields,ConstrAcc) ->
- CurrentMod = get(currmod),
- EmitFuncClause =
- fun(Args) ->
- emit(["'dec_",ObjName,"'(",{asis,Name},
- ", ",Args,") ->",nl])
- end,
-% emit(["'dec_",ObjName,"'(",{asis,Name},
-% ", Bytes,TagIn,[H|T]) ->",nl]),
- case {get_object_field(Name,ObjectFields),OptOrMand} of
- {false,'MANDATORY'} ->
- exit({error,{asn1,{"missing mandatory field in object",
- ObjName}}});
- {false,'OPTIONAL'} ->
- EmitFuncClause("_,_,_"),
- emit([" exit({error,{'illegal use of missing field in object', ",{asis,Name},
- "}})"]);
- {false,{'DEFAULT',_DefaultObject}} ->
- exit({error,{asn1,{"not implemented yet",Name}}});
- {{Name,#'Externalvaluereference'{module=CurrentMod,
- value=TypeName}},_} ->
- EmitFuncClause("Bytes,TagIn,[H|T]"),
- emit({indent(3),"'dec_",TypeName,"'(H, Bytes, TagIn, T)"});
- {{Name,#'Externalvaluereference'{module=M,value=TypeName}},_} ->
- EmitFuncClause("Bytes,TagIn,[H|T]"),
- emit({indent(3),"'",M,"':'dec_",TypeName,
- "'(H, Bytes, TagIn, T)"});
- {{Name,TypeSpec},_} ->
- EmitFuncClause("Bytes,TagIn,[H|T]"),
- case TypeSpec#typedef.name of
- {ExtMod,TypeName} ->
- emit({indent(3),"'",ExtMod,"':'dec_",TypeName,
- "'(H, Bytes, TagIn, T)"});
- TypeName ->
- emit({indent(3),"'dec_",TypeName,"'(H, Bytes, TagIn, T)"})
- end
- end,
- case more_genfields(Rest) of
- true ->
- emit([";",nl]);
- false ->
- emit([".",nl])
- end,
- gen_decode_objectfields(ClassName,Rest,ObjName,ObjectFields,ConstrAcc);
-gen_decode_objectfields(CN,[_|Cs],O,OF,CAcc) ->
- gen_decode_objectfields(CN,Cs,O,OF,CAcc);
-gen_decode_objectfields(_,[],_,_,CAcc) ->
- CAcc.
-
-
-gen_decode_constr_type(Erules,[TypeDef|Rest]) when is_record(TypeDef,typedef) ->
- case is_already_generated(dec,TypeDef#typedef.name) of
- true -> ok;
- _ ->
- gen_decode(Erules,TypeDef)
- end,
- gen_decode_constr_type(Erules,Rest);
-gen_decode_constr_type(_,[]) ->
- ok.
-
-gen_decode_field_call(_ObjName,_FieldName,Bytes,
- #'Externaltypereference'{module=M,type=T}) ->
- CurrentMod = get(currmod),
- TDef = asn1_db:dbget(M,T),
- Def = TDef#typedef.typespec,
- OTag = Def#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- if
- M == CurrentMod ->
- emit({" 'dec_",T,"'(",Bytes,
- ", opt_or_default,TagIn ++ ",{asis,Tag},")"}),
- [];
- true ->
- emit({" '",M,"':'dec_",T,
- "'(",Bytes,", opt_or_default,TagIn ++ ",{asis,Tag},")"}),
- []
- end;
-gen_decode_field_call(ObjName,FieldName,Bytes,Type) ->
- Def = Type#typedef.typespec,
- OTag = Def#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- case Type#typedef.name of
- {primitive,bif} -> %%tag should be the primitive tag
- gen_dec_prim(ber,Def,Bytes,Tag,"TagIn",no_length,
- ?PRIMITIVE,opt_or_default),
- [];
- {constructed,bif} ->
- emit({" 'dec_",ObjName,'_',FieldName,
- "'(",Bytes,",opt_or_default, TagIn ++ ",{asis,Tag},")"}),
- [Type#typedef{name=list_to_atom(lists:concat([ObjName,'_',FieldName]))}];
- {ExtMod,TypeName} ->
- emit({" '",ExtMod,"':'dec_",TypeName,
- "'(",Bytes,", opt_or_default,TagIn ++ ",{asis,Tag},")"}),
- [];
- TypeName ->
- emit({" 'dec_",TypeName,"'(",Bytes,
- ", opt_or_default,TagIn ++ ",{asis,Tag},")"}),
- []
- end.
-
-gen_decode_default_call(ClassName,FieldName,Bytes,Type) ->
- CurrentMod = get(currmod),
- InnerType = asn1ct_gen:get_inner(Type#type.def),
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- case asn1ct_gen:type(InnerType) of
- {constructed,bif} ->
- emit([" 'dec_",ClassName,'_',FieldName,"'(",Bytes,
- ",opt_or_default, TagIn ++ ",{asis,Tag},")"]),
- [#typedef{name=list_to_atom(lists:concat([ClassName,'_',FieldName])),
- typespec=Type}];
- {primitive,bif} ->
- gen_dec_prim(ber,Type,Bytes,Tag,"TagIn",no_length,
- ?PRIMITIVE,opt_or_default),
- [];
- #'Externaltypereference'{module=CurrentMod,type=Etype} ->
- emit([" 'dec_",Etype,"'(",Bytes,
- " ,opt_or_default, TagIn ++ ",{asis,Tag},")",nl]),
- [];
- #'Externaltypereference'{module=Emod,type=Etype} ->
- emit([" '",Emod,"':'dec_",Etype,"'(",Bytes,
- ", opt_or_defualt, TagIn ++ ",{asis,Tag},")",nl]),
- []
- end.
-
-
-more_genfields([]) ->
- false;
-more_genfields([Field|Fields]) ->
- case element(1,Field) of
- typefield ->
- true;
- objectfield ->
- true;
- _ ->
- more_genfields(Fields)
- end.
-
-
-
-%% Object Set code generating for encoding and decoding
-%% ----------------------------------------------------
-gen_objectset_code(Erules,ObjSet) ->
- ObjSetName = ObjSet#typedef.name,
- Def = ObjSet#typedef.typespec,
-% {ClassName,ClassDef} = Def#'ObjectSet'.class,
- #'Externaltypereference'{module=ClassModule,
- type=ClassName} = Def#'ObjectSet'.class,
- ClassDef = asn1_db:dbget(ClassModule,ClassName),
- UniqueFName = Def#'ObjectSet'.uniquefname,
- Set = Def#'ObjectSet'.set,
- emit({nl,nl,nl,"%%================================"}),
- emit({nl,"%% ",ObjSetName}),
- emit({nl,"%%================================",nl}),
- case ClassName of
- {_Module,ExtClassName} ->
- gen_objset_code(Erules,ObjSetName,UniqueFName,Set,
- ExtClassName,ClassDef);
- _ ->
- gen_objset_code(Erules,ObjSetName,UniqueFName,Set,
- ClassName,ClassDef)
- end,
- emit(nl).
-
-gen_objset_code(Erules,ObjSetName,UniqueFName,Set,ClassName,ClassDef)->
- ClassFields = (ClassDef#classdef.typespec)#objectclass.fields,
- InternalFuncs=gen_objset_enc(ObjSetName,UniqueFName,Set,ClassName,ClassFields,1,[]),
- gen_objset_dec(Erules,ObjSetName,UniqueFName,Set,ClassName,ClassFields,1),
- gen_internal_funcs(Erules,InternalFuncs).
-
-
-%% gen_objset_enc iterates over the objects of the object set
-gen_objset_enc(_,{unique,undefined},_,_,_,_,_) ->
- %% There is no unique field in the class of this object set
- %% don't bother about the constraint
- [];
-gen_objset_enc(ObjSName,UniqueName,[{_,no_unique_value,_},T|Rest],
- ClName,ClFields,NthObj,Acc) ->
- %% No need to check that this class has property OPTIONAL for the
- %% unique field, it was detected in the previous phase
- gen_objset_enc(ObjSName,UniqueName,[T|Rest],ClName,ClFields,NthObj,Acc);
-gen_objset_enc(ObjSetName,UniqueName,[{_,no_unique_value,_}],
- _ClName,_ClFields,_NthObj,Acc) ->
- %% No need to check that this class has property OPTIONAL for the
- %% unique field, it was detected in the previous phase
- emit_default_getenc(ObjSetName,UniqueName),
- emit({".",nl,nl}),
- Acc;
-gen_objset_enc(ObjSName,UniqueName,
- [{ObjName,Val,Fields},T|Rest],ClName,ClFields,NthObj,Acc)->
- emit({"'getenc_",ObjSName,"'(",{asis,UniqueName},",",{asis,Val},") ->",nl}),
- CurrMod = get(currmod),
- {InternalFunc,NewNthObj}=
- case ObjName of
- {no_mod,no_name} ->
- gen_inlined_enc_funs(Fields,ClFields,ObjSName,NthObj);
- {CurrMod,Name} ->
- emit({" fun 'enc_",Name,"'/4"}),
- {[],NthObj};
- {ModuleName,Name} ->
- emit_ext_fun(enc,ModuleName,Name),
-% emit([" {'",ModuleName,"', 'enc_",Name,"'}"]),
- {[],NthObj};
- _Other ->
- emit({" fun 'enc_",ObjName,"'/4"}),
- {[],NthObj}
- end,
- emit({";",nl}),
- gen_objset_enc(ObjSName,UniqueName,[T|Rest],ClName,ClFields,
- NewNthObj,InternalFunc ++ Acc);
-gen_objset_enc(ObjSetName,UniqueName,
- [{ObjName,Val,Fields}],_ClName,ClFields,NthObj,Acc) ->
- emit({"'getenc_",ObjSetName,"'(",{asis,UniqueName},",",{asis,Val},") ->",nl}),
- CurrMod = get(currmod),
- {InternalFunc,_}=
- case ObjName of
- {no_mod,no_name} ->
- gen_inlined_enc_funs(Fields,ClFields,ObjSetName,NthObj);
- {CurrMod,Name} ->
- emit({" fun 'enc_",Name,"'/4"}),
- {[],NthObj};
- {ModuleName,Name} ->
- emit_ext_fun(enc,ModuleName,Name),
-% emit([" {'",ModuleName,"', 'enc_",Name,"'}"]),
- {[],NthObj};
- _Other ->
- emit({" fun 'enc_",ObjName,"'/4"}),
- {[],NthObj}
- end,
- emit([";",nl]),
- emit_default_getenc(ObjSetName,UniqueName),
- emit({".",nl,nl}),
- InternalFunc ++ Acc;
-%% See X.681 Annex E for the following case
-gen_objset_enc(ObjSetName,_UniqueName,['EXTENSIONMARK'],
- _ClName,_ClFields,_NthObj,Acc) ->
- emit({"'getenc_",ObjSetName,"'(_, _) ->",nl}),
- emit({indent(3),"fun(_Attr, Val, _TagIn, _RestPrimFieldName) ->",nl}),
- emit({indent(6),"Len = case Val of",nl,indent(9),
- "Bin when is_binary(Bin) -> size(Bin);",nl,indent(9),
- "_ -> length(Val)",nl,indent(6),"end,"}),
- emit({indent(6),"{Val,Len}",nl}),
- emit({indent(3),"end.",nl,nl}),
- Acc;
-gen_objset_enc(ObjSetName,UniqueName,['EXTENSIONMARK','EXTENSIONMARK'|Rest],
- ClName,ClFields,NthObj,Acc) ->
- gen_objset_enc(ObjSetName,UniqueName,['EXTENSIONMARK'|Rest],
- ClName,ClFields,NthObj,Acc);
-gen_objset_enc(ObjSetName,UniqueName,['EXTENSIONMARK'|Rest],
- ClName,ClFields,NthObj,Acc) ->
- gen_objset_enc(ObjSetName,UniqueName,Rest++['EXTENSIONMARK'],
- ClName,ClFields,NthObj,Acc);
-gen_objset_enc(_,_,[],_,_,_,Acc) ->
- Acc.
-
-emit_ext_fun(EncDec,ModuleName,Name) ->
- emit([indent(3),"fun(T,V,_O1,_O2) -> '",ModuleName,"':'",EncDec,"_",
- Name,"'(T,V,_O1,_O2) end"]).
-
-emit_default_getenc(ObjSetName,UniqueName) ->
- emit(["'getenc_",ObjSetName,"'(",{asis,UniqueName},", ErrV) ->",nl]),
- emit([indent(3),"fun(C,V,_,_) -> exit({'Type not compatible with table constraint',{component,C},{value,V}, {unique_name_and_value,",{asis,UniqueName},", ErrV}}) end"]).
-
-%% gen_inlined_enc_funs for each object iterates over all fields of a
-%% class, and for each typefield it checks if the object has that
-%% field and emits the proper code.
-gen_inlined_enc_funs(Fields,[{typefield,Name,_}|Rest],ObjSetName,
- NthObj) ->
- CurrMod = get(currmod),
- InternalDefFunName = asn1ct_gen:list2name([NthObj,Name,ObjSetName]),
- case lists:keysearch(Name,1,Fields) of
- {value,{_,Type}} when is_record(Type,type) ->
- emit({indent(3),"fun(Type, Val, TagIn, _RestPrimFieldName) ->",nl,
- indent(6),"case Type of",nl}),
- {Ret,N} = emit_inner_of_fun(Type,InternalDefFunName),
- gen_inlined_enc_funs1(Fields,Rest,ObjSetName,NthObj+N,Ret);
- {value,{_,Type}} when is_record(Type,typedef) ->
- emit({indent(3),"fun(Type, Val, TagIn, _RestPrimFieldName) ->",nl,
- indent(6),"case Type of",nl}),
- emit({indent(9),{asis,Name}," ->",nl}),
- {Ret,N} = emit_inner_of_fun(Type,InternalDefFunName),
- gen_inlined_enc_funs1(Fields,Rest,ObjSetName,NthObj+N,Ret);
- {value,{_,#'Externaltypereference'{module=M,type=T}}} ->
- #typedef{typespec=Type} = asn1_db:dbget(M,T),
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- emit([indent(3),"fun(Type, Val, TagIn, _RestPrimFieldName) ->",nl,
- indent(6),"case Type of",nl]),
- emit([indent(9),{asis,Name}," ->",nl]),
- if
- M == CurrMod ->
- emit([indent(12),"'enc_",T,"'(Val, TagIn ++ ",
- {asis,Tag},")"]);
- true ->
- emit([indent(12),"'",M,"':'enc_",T,"'(Val,TagIn ++",
- {asis,Tag},")"])
- end,
- gen_inlined_enc_funs1(Fields,Rest,ObjSetName,NthObj,[]);
- false ->
- %% This field was not present in the object thus there were no
- %% type in the table and we therefore generate code that returns
- %% the input for application treatment.
- emit([indent(3),"fun(Type, Val, TagIn, _RestPrimFieldName) ->",nl,
- indent(6),"case Type of",nl]),
- emit([indent(9),{asis,Name}," ->",nl]),
- emit([indent(12),"Len = case Val of",nl,
- indent(15),"Bin when is_binary(Bin) -> size(Bin);",nl,
- indent(15),"_ -> length(Val)",nl,indent(12),"end,",nl,
- indent(12),"{Val,Len}"]),
- gen_inlined_enc_funs1(Fields,Rest,ObjSetName,NthObj,[])
- end;
-gen_inlined_enc_funs(Fields,[_H|Rest],ObjSetName,NthObj) ->
- gen_inlined_enc_funs(Fields,Rest,ObjSetName,NthObj);
-gen_inlined_enc_funs(_,[],_,NthObj) ->
- {[],NthObj}.
-
-gen_inlined_enc_funs1(Fields,[{typefield,Name,_}|Rest],ObjSetName,
- NthObj,Acc) ->
- CurrMod = get(currmod),
- InternalDefFunName = asn1ct_gen:list2name([NthObj,Name,ObjSetName]),
- {Acc2,NAdd}=
- case lists:keysearch(Name,1,Fields) of
- {value,{_,Type}} when is_record(Type,type) ->
- emit({";",nl}),
- {Ret,N}=emit_inner_of_fun(Type,InternalDefFunName),
- {Ret++Acc,N};
- {value,{_,Type}} when is_record(Type,typedef) ->
- emit({";",nl,indent(9),{asis,Name}," ->",nl}),
- {Ret,N}=emit_inner_of_fun(Type,InternalDefFunName),
- {Ret++Acc,N};
- {value,{_,#'Externaltypereference'{module=M,type=T}}} ->
- #typedef{typespec=Type} = asn1_db:dbget(M,T),
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- emit({";",nl,indent(9),{asis,Name}," ->",nl}),
- if
- M == CurrMod ->
- emit([indent(12),"'enc_",T,"'(Val, TagIn ++ ",
- {asis,Tag},")"]);
- true ->
- emit([indent(12),"'",M,"':'enc_",T,"'(Val,TagIn ++",
- {asis,Tag},")"])
- end,
- {Acc,0};
- false ->
- %% This field was not present in the object thus there were no
- %% type in the table and we therefore generate code that returns
- %% the input for application treatment.
- emit([";",nl,indent(9),{asis,Name}," ->",nl]),
- emit([indent(12),"Len = case Val of",nl,
- indent(15),"Bin when is_binary(Bin) -> size(Bin);",nl,
- indent(15),"_ -> length(Val)",nl,indent(12),"end,",nl,
- indent(12),"{Val,Len}"]),
- {Acc,0}
- end,
- gen_inlined_enc_funs1(Fields,Rest,ObjSetName,NthObj+NAdd,Acc2);
-gen_inlined_enc_funs1(Fields,[_H|Rest],ObjSetName,NthObj,Acc)->
- gen_inlined_enc_funs1(Fields,Rest,ObjSetName,NthObj,Acc);
-gen_inlined_enc_funs1(_,[],_,NthObj,Acc) ->
- emit({nl,indent(6),"end",nl}),
- emit({indent(3),"end"}),
- {Acc,NthObj}.
-
-
-emit_inner_of_fun(TDef = #typedef{name={ExtMod,Name},typespec=Type},
- InternalDefFunName) ->
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- case {ExtMod,Name} of
- {primitive,bif} ->
- emit(indent(12)),
- gen_encode_prim(ber,Type,["TagIn ++ ",{asis,Tag}],"Val"),
- {[],0};
- {constructed,bif} ->
- emit([indent(12),"'enc_",
- InternalDefFunName,"'(Val,TagIn ++ ",
- {asis,Tag},")"]),
- {[TDef#typedef{name=InternalDefFunName}],1};
- _ ->
- emit({indent(12),"'",ExtMod,"':'enc_",Name,"'(Val, TagIn ++ ",
- {asis,Tag},")"}),
- {[],0}
- end;
-emit_inner_of_fun(#typedef{name=Name,typespec=Type},_) ->
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- emit({indent(12),"'enc_",Name,"'(Val, TagIn ++ ",{asis,Tag},")"}),
- {[],0};
-emit_inner_of_fun(Type,_) when is_record(Type,type) ->
- CurrMod = get(currmod),
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- case Type#type.def of
- Def when is_atom(Def) ->
- emit({indent(9),Def," ->",nl,indent(12)}),
- gen_encode_prim(ber,Type,["TagIn ++ ",{asis,Tag}],"Val");
- TRef when is_record(TRef,typereference) ->
- T = TRef#typereference.val,
- emit({indent(9),T," ->",nl,indent(12),"'enc_",T,
- "'(Val, TagIn ++ ",{asis,Tag},")"});
- #'Externaltypereference'{module=CurrMod,type=T} ->
- emit({indent(9),T," ->",nl,indent(12),"'enc_",T,
- "'(Val, TagIn ++ ",{asis,Tag},")"});
- #'Externaltypereference'{module=ExtMod,type=T} ->
- emit({indent(9),T," ->",nl,indent(12),ExtMod,":'enc_",
- T,"'(Val, TagIn ++ ",{asis,Tag},")"})
- end,
- {[],0}.
-
-indent(N) ->
- lists:duplicate(N,32). % 32 = space
-
-
-gen_objset_dec(_,_,{unique,undefined},_,_,_,_) ->
- %% There is no unique field in the class of this object set
- %% don't bother about the constraint
- ok;
-gen_objset_dec(Erules,ObjSName,UniqueName,[{_,no_unique_value,_},T|Rest],
- ClName,ClFields,NthObj)->
- gen_objset_dec(Erules,ObjSName,UniqueName,[T|Rest],ClName,ClFields,
- NthObj);
-gen_objset_dec(_Erules,ObjSetName,UniqueName,[{_,no_unique_value,_}],
- _ClName,_ClFields,_NthObj)->
- emit_default_getdec(ObjSetName,UniqueName),
- emit({".",nl,nl});
-gen_objset_dec(Erules,ObjSName,UniqueName,[{ObjName,Val,Fields},T|Rest],
- ClName,ClFields,NthObj)->
- emit({"'getdec_",ObjSName,"'(",{asis,UniqueName},",",{asis,Val},
- ") ->",nl}),
- CurrMod = get(currmod),
- NewNthObj=
- case ObjName of
- {no_mod,no_name} ->
- gen_inlined_dec_funs(Erules,Fields,ClFields,ObjSName,
- NthObj);
- {CurrMod,Name} ->
- emit({" fun 'dec_",Name,"'/4"}),
- NthObj;
- {ModName,Name} ->
- emit_ext_fun(dec,ModName,Name),
-% emit([" {'",ModName,"', 'dec_",Name,"'}"]),
- NthObj;
- _Other ->
- emit({" fun 'dec_",ObjName,"'/4"}),
- NthObj
- end,
- emit({";",nl}),
- gen_objset_dec(Erules,ObjSName,UniqueName,[T|Rest],ClName,ClFields,
- NewNthObj);
-gen_objset_dec(Erules,ObjSetName,UniqueName,[{ObjName,Val,Fields}],_ClName,
- ClFields,NthObj) ->
- emit({"'getdec_",ObjSetName,"'(",{asis,UniqueName},",",{asis,Val},") ->",nl}),
- CurrMod = get(currmod),
- case ObjName of
- {no_mod,no_name} ->
- gen_inlined_dec_funs(Erules,Fields,ClFields,ObjSetName,
- NthObj);
- {CurrMod,Name} ->
- emit({" fun 'dec_",Name,"'/4"});
- {ModName,Name} ->
- emit_ext_fun(dec,ModName,Name);
-% emit([" {'",ModName,"', 'dec_",Name,"'}"]);
- _Other ->
- emit({" fun 'dec_",ObjName,"'/4"})
- end,
- emit({";",nl}),
- emit_default_getdec(ObjSetName,UniqueName),
- emit({".",nl,nl});
-gen_objset_dec(_,ObjSetName,_UniqueName,['EXTENSIONMARK'],_ClName,_ClFields,
- _NthObj) ->
- emit({"'getdec_",ObjSetName,"'(_, _) ->",nl}),
- emit({indent(3),"fun(_, Bytes, _, _) ->",nl}),
- emit({indent(6),"Len = case Bytes of",nl,indent(9),
- "Bin when is_binary(Bin) -> size(Bin);",nl,indent(9),
- "_ -> length(Bytes)",nl,indent(6),"end,"}),
- emit({indent(6),"{Bytes,[],Len}",nl}),
- emit({indent(3),"end.",nl,nl}),
- ok;
-gen_objset_dec(Erule,ObjSetName,UniqueName,
- ['EXTENSIONMARK','EXTENSIONMARK'|Rest],
- ClName,ClFields,NthObj) ->
- gen_objset_dec(Erule,ObjSetName,UniqueName,['EXTENSIONMARK'|Rest],
- ClName,ClFields,NthObj);
-gen_objset_dec(Erule,ObjSetName,UniqueName,['EXTENSIONMARK'|Rest],
- ClName,ClFields,NthObj) ->
- gen_objset_dec(Erule,ObjSetName,UniqueName,Rest++['EXTENSIONMARK'],
- ClName,ClFields,NthObj);
-gen_objset_dec(_,_,_,[],_,_,_) ->
- ok.
-
-emit_default_getdec(ObjSetName,UniqueName) ->
- emit(["'getdec_",ObjSetName,"'(",{asis,UniqueName},", ErrV) ->",nl]),
- emit([indent(3),"fun(C,V,_,_) -> exit({{component,C},{value,V}, {unique_name_and_value,",{asis,UniqueName},", ErrV}}) end"]).
-
-gen_inlined_dec_funs(Erules,Fields,[{typefield,Name,Prop}|Rest],
- ObjSetName,NthObj) ->
- DecProp = case Prop of
- 'OPTIONAL' -> opt_or_default;
- {'DEFAULT',_} -> opt_or_default;
- _ -> mandatory
- end,
- CurrMod = get(currmod),
- InternalDefFunName = [NthObj,Name,ObjSetName],
- case lists:keysearch(Name,1,Fields) of
- {value,{_,Type}} when is_record(Type,type) ->
- emit({indent(3),"fun(Type, Bytes, TagIn, _RestPrimFieldName) ->",
- nl,indent(6),"case Type of",nl}),
- N=emit_inner_of_decfun(Erules,Type,DecProp,InternalDefFunName),
- gen_inlined_dec_funs1(Erules,Fields,Rest,ObjSetName,NthObj+N);
- {value,{_,Type}} when is_record(Type,typedef) ->
- emit({indent(3),"fun(Type, Bytes, TagIn, _RestPrimFieldName) ->",
- nl,indent(6),"case Type of",nl}),
- emit({indent(9),{asis,Name}," ->",nl}),
- N=emit_inner_of_decfun(Erules,Type,DecProp,InternalDefFunName),
- gen_inlined_dec_funs1(Erules,Fields,Rest,ObjSetName,NthObj+N);
- {value,{_,#'Externaltypereference'{module=M,type=T}}} ->
- #typedef{typespec=Type} = asn1_db:dbget(M,T),
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- emit({indent(3),"fun(Type, Bytes, TagIn, _RestPrimFieldName) ->",
- nl,indent(6),"case Type of",nl}),
- emit({indent(9),{asis,Name}," ->",nl}),
- if
- M == CurrMod ->
- emit([indent(12),"'dec_",T,"'(Bytes, ",DecProp,
- ", TagIn ++ ",{asis,Tag},")"]);
- true ->
- emit([indent(12),"'",M,"':'dec_",T,"'(Bytes, ",
- DecProp,", TagIn ++ ",{asis,Tag},")"])
- end,
- gen_inlined_dec_funs1(Erules,Fields,Rest,ObjSetName,NthObj);
- false ->
- emit([indent(3),"fun(Type, Bytes, TagIn, _RestPrimFieldName) ->",
- nl,indent(6),"case Type of",nl,
- indent(9),{asis,Name}," ->",nl,
- indent(12),"Len = case Bytes of",nl,
- indent(15),"B when is_binary(B) -> size(B);",nl,
- indent(15),"_ -> length(Bytes)",nl,
- indent(12),"end,",nl,
- indent(12),"{Bytes,[],Len}"]),
- gen_inlined_dec_funs1(Erules,Fields,Rest,ObjSetName,NthObj)
- end;
-gen_inlined_dec_funs(Erules,Fields,[_H|Rest],ObjSetName,NthObj) ->
- gen_inlined_dec_funs(Erules,Fields,Rest,ObjSetName,NthObj);
-gen_inlined_dec_funs(_,_,[],_,NthObj) ->
- NthObj.
-
-gen_inlined_dec_funs1(Erules,Fields,[{typefield,Name,Prop}|Rest],
- ObjSetName,NthObj) ->
- DecProp = case Prop of
- 'OPTIONAL' -> opt_or_default;
- {'DEFAULT',_} -> opt_or_default;
- _ -> mandatory
- end,
- CurrMod = get(currmod),
- InternalDefFunName = [NthObj,Name,ObjSetName],
- N=
- case lists:keysearch(Name,1,Fields) of
- {value,{_,Type}} when is_record(Type,type) ->
- emit({";",nl}),
- emit_inner_of_decfun(Erules,Type,DecProp,InternalDefFunName);
- {value,{_,Type}} when is_record(Type,typedef) ->
- emit({";",nl,indent(9),{asis,Name}," ->",nl}),
- emit_inner_of_decfun(Erules,Type,DecProp,InternalDefFunName);
- {value,{_,#'Externaltypereference'{module=M,type=T}}} ->
- #typedef{typespec=Type} = asn1_db:dbget(M,T),
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- emit({";",nl,indent(9),{asis,Name}," ->",nl}),
- if
- M == CurrMod ->
- emit([indent(12),"'dec_",T,"'(Bytes, ",DecProp,
- ", TagIn ++ ",{asis,Tag},")"]);
- true ->
- emit([indent(12),"'",M,"':'dec_",T,"'(Bytes, ",
- DecProp,", TagIn ++ ",{asis,Tag},")"])
- end,
- 0;
- false ->
- emit([";",nl,
- indent(9),{asis,Name}," ->",nl,
- indent(12),"Len = case Bytes of",nl,
- indent(15),"B when is_binary(B) -> size(B);",nl,
- indent(15),"_ -> length(Bytes)",nl,
- indent(12),"end,",nl,
- indent(12),"{Bytes,[],Len}"]),
- 0
- end,
- gen_inlined_dec_funs1(Erules,Fields,Rest,ObjSetName,NthObj+N);
-gen_inlined_dec_funs1(Erules,Fields,[_H|Rest],ObjSetName,NthObj)->
- gen_inlined_dec_funs1(Erules,Fields,Rest,ObjSetName,NthObj);
-gen_inlined_dec_funs1(_,_,[],_,NthObj) ->
- emit({nl,indent(6),"end",nl}),
- emit({indent(3),"end"}),
- NthObj.
-
-emit_inner_of_decfun(Erules,#typedef{name={ExtName,Name},typespec=Type},
- Prop,InternalDefFunName) ->
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- case {ExtName,Name} of
- {primitive,bif} ->
- emit(indent(12)),
- gen_dec_prim(Erules,Type,"Bytes",Tag,"TagIn",no_length,
- ?PRIMITIVE,Prop),
- 0;
- {constructed,bif} ->
- emit({indent(12),"'dec_",
- asn1ct_gen:list2name(InternalDefFunName),"'(Bytes, ",Prop,
- ", TagIn ++ ",{asis,Tag},")"}),
- 1;
- _ ->
- emit({indent(12),"'",ExtName,"':'dec_",Name,"'(Bytes, ",Prop,
- ", TagIn ++ ",{asis,Tag},")"}),
- 0
- end;
-emit_inner_of_decfun(_,#typedef{name=Name,typespec=Type},Prop,_) ->
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- emit({indent(12),"'dec_",Name,"'(Bytes, ",Prop,", TagIn ++ ",
- {asis,Tag},")"}),
- 0;
-emit_inner_of_decfun(Erules,Type,Prop,_) when is_record(Type,type) ->
- OTag = Type#type.tag,
- Tag = [X#tag{class=decode_class(X#tag.class)}|| X <- OTag],
- CurrMod = get(currmod),
- Def = Type#type.def,
- InnerType = asn1ct_gen:get_inner(Def),
- WhatKind = asn1ct_gen:type(InnerType),
- case WhatKind of
- {primitive,bif} ->
- emit({indent(9),Def," ->",nl,indent(12)}),
- gen_dec_prim(Erules,Type,"Bytes",Tag,"TagIn",no_length,
- ?PRIMITIVE,Prop);
-% TRef when is_record(TRef,typereference) ->
-% T = TRef#typereference.val,
-% emit({indent(9),T," ->",nl,indent(12),"'dec_",T,"'(Val)"});
- #'Externaltypereference'{module=CurrMod,type=T} ->
- emit({indent(9),T," ->",nl,indent(12),"'dec_",T,
- "'(Bytes, ",Prop,", TagIn ++ ",{asis,Tag},")"});
- #'Externaltypereference'{module=ExtMod,type=T} ->
- emit({indent(9),T," ->",nl,indent(12),ExtMod,":'dec_",
- T,"'(Bytes, ",Prop,", TagIn ++ ",{asis,Tag},")"})
- end,
- 0.
-
-
-gen_internal_funcs(_,[]) ->
- ok;
-gen_internal_funcs(Erules,[TypeDef|Rest]) ->
- gen_encode_user(Erules,TypeDef),
- emit({"'dec_",TypeDef#typedef.name,"'(Bytes, ",
- unused_optormand_var("OptOrMand",(TypeDef#typedef.typespec)#type.def),", TagIn) ->",nl}),
- gen_decode_user(Erules,TypeDef),
- gen_internal_funcs(Erules,Rest).
-
-
-dbdec(Type) ->
- demit({"io:format(\"decoding: ",{asis,Type},"~w~n\",[Bytes]),",nl}).
-
-
-decode_class('UNIVERSAL') ->
- ?UNIVERSAL;
-decode_class('APPLICATION') ->
- ?APPLICATION;
-decode_class('CONTEXT') ->
- ?CONTEXT;
-decode_class('PRIVATE') ->
- ?PRIVATE.
-
-decode_type('BOOLEAN') -> 1;
-decode_type('INTEGER') -> 2;
-decode_type('BIT STRING') -> 3;
-decode_type('OCTET STRING') -> 4;
-decode_type('NULL') -> 5;
-decode_type('OBJECT IDENTIFIER') -> 6;
-decode_type('ObjectDescriptor') -> 7;
-decode_type('EXTERNAL') -> 8;
-decode_type('REAL') -> 9;
-decode_type('ENUMERATED') -> 10;
-decode_type('EMBEDDED_PDV') -> 11;
-decode_type('UTF8String') -> 12;
-decode_type('RELATIVE-OID') -> 13;
-decode_type('SEQUENCE') -> 16;
-decode_type('SEQUENCE OF') -> 16;
-decode_type('SET') -> 17;
-decode_type('SET OF') -> 17;
-decode_type('NumericString') -> 18;
-decode_type('PrintableString') -> 19;
-decode_type('TeletexString') -> 20;
-decode_type('T61String') -> 20;
-decode_type('VideotexString') -> 21;
-decode_type('IA5String') -> 22;
-decode_type('UTCTime') -> 23;
-decode_type('GeneralizedTime') -> 24;
-decode_type('GraphicString') -> 25;
-decode_type('VisibleString') -> 26;
-decode_type('GeneralString') -> 27;
-decode_type('UniversalString') -> 28;
-decode_type('BMPString') -> 30;
-decode_type('CHOICE') -> 'CHOICE'; % choice gets the tag from the actual alternative
-decode_type(Else) -> exit({error,{asn1,{unrecognized_type,Else}}}).
-
-add_removed_bytes() ->
- asn1ct_name:delete(rb),
- add_removed_bytes(asn1ct_name:all(rb)).
-
-add_removed_bytes([H,T1|T]) ->
- emit({{var,H},"+"}),
- add_removed_bytes([T1|T]);
-add_removed_bytes([H|T]) ->
- emit({{var,H}}),
- add_removed_bytes(T);
-add_removed_bytes([]) ->
- true.
-
-mkfuncname(WhatKind,DecOrEnc) ->
- case WhatKind of
- #'Externaltypereference'{module=Mod,type=EType} ->
- CurrMod = get(currmod),
- case CurrMod of
- Mod ->
- lists:concat(["'",DecOrEnc,"_",EType,"'"]);
- _ ->
-% io:format("CurrMod: ~p, Mod: ~p~n",[CurrMod,Mod]),
- lists:concat(["'",Mod,"':'",DecOrEnc,"_",EType,"'"])
- end;
- #'typereference'{val=EType} ->
- lists:concat(["'",DecOrEnc,"_",EType,"'"]);
- 'ASN1_OPEN_TYPE' ->
- lists:concat(["'",DecOrEnc,"_",WhatKind,"'"])
-
- end.
-
-optionals(L) -> optionals(L,[],1).
-
-optionals([{'EXTENSIONMARK',_,_}|Rest],Acc,Pos) ->
- optionals(Rest,Acc,Pos); % optionals in extension are currently not handled
-optionals([#'ComponentType'{name=Name,prop='OPTIONAL'}|Rest],Acc,Pos) ->
- optionals(Rest,[{Name,Pos}|Acc],Pos+1);
-optionals([#'ComponentType'{name=Name,prop={'DEFAULT',_}}|Rest],Acc,Pos) ->
- optionals(Rest,[{Name,Pos}|Acc],Pos+1);
-optionals([#'ComponentType'{}|Rest],Acc,Pos) ->
- optionals(Rest,Acc,Pos+1);
-optionals([],Acc,_) ->
- lists:reverse(Acc).
-
-get_constraint(C,Key) ->
- case lists:keysearch(Key,1,C) of
- false ->
- no;
- {value,{_,V}} ->
- V
- end.
-
-%% if the original option was ber and it has been wrapped to ber_bin
-%% turn it back to ber
-re_wrap_erule(ber_bin) ->
- case get(encoding_options) of
- Options when is_list(Options) ->
- case lists:member(ber,Options) of
- true -> ber;
- _ -> ber_bin
- end;
- _ -> ber_bin
- end;
-re_wrap_erule(Erule) ->
- Erule.
-
-is_already_generated(Operation,Name) ->
- case get(class_default_type) of
- undefined ->
- put(class_default_type,[{Operation,Name}]),
- false;
- GeneratedList ->
- case lists:member({Operation,Name},GeneratedList) of
- true ->
- true;
- false ->
- put(class_default_type,[{Operation,Name}|GeneratedList]),
- false
- end
- end.
-
-get_class_fields(#classdef{typespec=ObjClass}) ->
- ObjClass#objectclass.fields;
-get_class_fields(#objectclass{fields=Fields}) ->
- Fields;
-get_class_fields(_) ->
- [].
-
-get_object_field(Name,ObjectFields) ->
- case lists:keysearch(Name,1,ObjectFields) of
- {value,Field} -> Field;
- false -> false
- end.
-
-%% For BER the ExtensionAdditionGroup notation has no impact on the encoding/decoding
-%% and therefore we only filter away the ExtensionAdditionGroup start and end markers
-%%
-extaddgroup2sequence(ExtList) when is_list(ExtList) ->
- lists:filter(fun(#'ExtensionAdditionGroup'{}) ->
- false;
- ('ExtensionAdditionGroupEnd') ->
- false;
- (_) ->
- true
- end, ExtList).
diff --git a/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl b/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl
index 3ccfca3784..00c3dd98b2 100644
--- a/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl
+++ b/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl
@@ -116,22 +116,7 @@ gen_encode(Erules,Typename,Type) when is_record(Type,type) ->
end,
case lists:member(InnerType,['SET','SEQUENCE']) of
true ->
- case get(asn_keyed_list) of
- true ->
- CompList =
- case Type#type.def of
- #'SEQUENCE'{components=Cl} -> Cl;
- #'SET'{components=Cl} -> Cl
- end,
- emit([nl,"'enc_",asn1ct_gen:list2name(Typename),
- "'(Val, TagIn",ObjFun,
- ") when is_list(Val) ->",nl]),
- emit([" 'enc_",asn1ct_gen:list2name(Typename),
- "'(?RT_BER:fixoptionals(",
- {asis,optionals(CompList)},
- ",Val), TagIn",ObjFun,");",nl,nl]);
- _ -> true
- end;
+ true;
_ ->
emit([nl,"'enc_",asn1ct_gen:list2name(Typename),
"'({'",asn1ct_gen:list2name(Typename),
@@ -175,22 +160,7 @@ gen_encode_user(Erules,D) when is_record(D,typedef) ->
case lists:member(InnerType,['SET','SEQUENCE']) of
true ->
- case get(asn_keyed_list) of
- true ->
- CompList =
- case Type#type.def of
- #'SEQUENCE'{components=Cl} -> Cl;
- #'SET'{components=Cl} -> Cl
- end,
-
- emit([nl,"'enc_",asn1ct_gen:list2name(Typename),
- "'(Val, TagIn) when is_list(Val) ->",nl]),
- emit([" 'enc_",asn1ct_gen:list2name(Typename),
- "'(?RT_BER:fixoptionals(",
- {asis,optionals(CompList)},
- ",Val), TagIn);",nl,nl]);
- _ -> true
- end;
+ true;
_ ->
emit({nl,"'enc_",asn1ct_gen:list2name(Typename),
"'({'",asn1ct_gen:list2name(Typename),"',Val}, TagIn) ->",nl}),
@@ -1504,7 +1474,7 @@ gen_objset_dec(Erules,ObjSetName,_UniqueName,['EXTENSIONMARK'],_ClName,
emit([indent(2),"fun(_,Bytes, _RestPrimFieldName) ->",nl]),
case Erules of
- ber_bin_v2 ->
+ ber ->
emit([indent(4),"case Bytes of",nl,
indent(6),"Bin when is_binary(Bin) -> ",nl,
indent(8),"Bin;",nl,
@@ -1772,19 +1742,6 @@ mkfuncname(WhatKind,DecOrEnc) ->
end.
-optionals(L) -> optionals(L,[],1).
-
-optionals([{'EXTENSIONMARK',_,_}|Rest],Acc,Pos) ->
- optionals(Rest,Acc,Pos); % optionals in extension are currently not handled
-optionals([#'ComponentType'{name=Name,prop='OPTIONAL'}|Rest],Acc,Pos) ->
- optionals(Rest,[{Name,Pos}|Acc],Pos+1);
-optionals([#'ComponentType'{name=Name,prop={'DEFAULT',_}}|Rest],Acc,Pos) ->
- optionals(Rest,[{Name,Pos}|Acc],Pos+1);
-optionals([#'ComponentType'{}|Rest],Acc,Pos) ->
- optionals(Rest,Acc,Pos+1);
-optionals([],Acc,_) ->
- lists:reverse(Acc).
-
get_constraint(C,Key) ->
case lists:keysearch(Key,1,C) of
false ->
diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl
index bd5b81991d..eb4cfdccc6 100644
--- a/lib/asn1/src/asn1ct_gen_per.erl
+++ b/lib/asn1/src/asn1ct_gen_per.erl
@@ -25,6 +25,7 @@
-include("asn1_records.hrl").
%-compile(export_all).
+-export([gen_dec_imm/2]).
-export([pgen/4,gen_dec_prim/3,gen_encode_prim/4]).
-export([gen_obj_code/3,gen_objectset_code/2]).
-export([gen_decode/2, gen_decode/3]).
@@ -146,16 +147,18 @@ gen_encode_prim(Erules,D,DoTag,Value) when is_record(D,type) ->
case D#type.def of
'INTEGER' ->
emit({"?RT_PER:encode_integer(", %fel
- {asis,effective_constraint(integer,Constraint)},",",Value,")"});
+ {asis,asn1ct_imm:effective_constraint(integer,Constraint)},
+ ",",Value,")"});
{'INTEGER',NamedNumberList} ->
emit({"?RT_PER:encode_integer(",
- {asis,effective_constraint(integer,Constraint)},",",Value,",",
+ {asis,asn1ct_imm:effective_constraint(integer,Constraint)},
+ ",",Value,",",
{asis,NamedNumberList},")"});
{'ENUMERATED',{Nlist1,Nlist2}} ->
NewList = lists:concat([[{0,X}||{X,_} <- Nlist1],['EXT_MARK'],[{1,X}||{X,_} <- Nlist2]]),
NewC = [{'ValueRange',{0,length(Nlist1)-1}}],
case Erules of
- uper_bin ->
+ uper ->
emit(["case ",Value," of",nl]);
_ ->
emit(["case (case ",Value," of {_,",{curr,enumval},"}-> ",
@@ -168,7 +171,7 @@ gen_encode_prim(Erules,D,DoTag,Value) when is_record(D,type) ->
NewList = [X||{X,_} <- NamedNumberList],
NewC = [{'ValueRange',{0,length(NewList)-1}}],
case Erules of
- uper_bin ->
+ uper ->
emit(["case ",Value," of",nl]);
_ ->
emit(["case (case ",Value," of {_,",{curr,enumval},
@@ -184,7 +187,7 @@ gen_encode_prim(Erules,D,DoTag,Value) when is_record(D,type) ->
{asis,Constraint},",",Value,",",
{asis,NamedNumberList},")"});
'NULL' ->
- emit({"?RT_PER:encode_null(",Value,")"});
+ emit("[]");
'OBJECT IDENTIFIER' ->
emit({"?RT_PER:encode_object_identifier(",Value,")"});
'RELATIVE-OID' ->
@@ -274,7 +277,7 @@ emit_enc_enumerated_cases(Erule, C, [H1,H2|T], Count) ->
-emit_enc_enumerated_case(uper_bin,_C, {asn1_enum,High}, _) ->
+emit_enc_enumerated_case(uper,_C, {asn1_enum,High}, _) ->
emit([
"{asn1_enum,EnumV} when is_integer(EnumV), EnumV > ",High," -> ",
"[<<1:1>>,?RT_PER:encode_small_number(EnumV)]"]);
@@ -284,118 +287,27 @@ emit_enc_enumerated_case(_Per,_C, {asn1_enum,High}, _) ->
"[{bit,1},?RT_PER:encode_small_number(EnumV)]"]);
emit_enc_enumerated_case(_Erule, _C, 'EXT_MARK', _Count) ->
true;
-emit_enc_enumerated_case(uper_bin,_C, {1,EnumName}, Count) ->
+emit_enc_enumerated_case(uper,_C, {1,EnumName}, Count) ->
emit(["'",EnumName,"' -> [<<1:1>>,?RT_PER:encode_small_number(",Count,")]"]);
emit_enc_enumerated_case(_Per,_C, {1,EnumName}, Count) ->
emit(["'",EnumName,"' -> [{bit,1},?RT_PER:encode_small_number(",Count,")]"]);
-emit_enc_enumerated_case(uper_bin,C, {0,EnumName}, Count) ->
+emit_enc_enumerated_case(uper,C, {0,EnumName}, Count) ->
emit(["'",EnumName,"' -> [<<0:1>>,?RT_PER:encode_integer(",{asis,C},", ",Count,")]"]);
emit_enc_enumerated_case(_Per,C, {0,EnumName}, Count) ->
emit(["'",EnumName,"' -> [{bit,0},?RT_PER:encode_integer(",{asis,C},", ",Count,")]"]);
emit_enc_enumerated_case(_Erule, C, EnumName, Count) ->
emit(["'",EnumName,"' -> ?RT_PER:encode_integer(",{asis,C},", ",Count,")"]).
-%% effective_constraint(Type,C)
-%% Type = atom()
-%% C = [C1,...]
-%% C1 = {'SingleValue',SV} | {'ValueRange',VR} | {atom(),term()}
-%% SV = integer() | [integer(),...]
-%% VR = {Lb,Ub}
-%% Lb = 'MIN' | integer()
-%% Ub = 'MAX' | integer()
-%% Returns a single value if C only has a single value constraint, and no
-%% value range constraints, that constrains to a single value, otherwise
-%% returns a value range that has the lower bound set to the lowest value
-%% of all single values and lower bound values in C and the upper bound to
-%% the greatest value.
-effective_constraint(integer,[C={{_,_},_}|_Rest]) -> % extension
- [C]; %% [C|effective_constraint(integer,Rest)]; XXX what is possible ???
-effective_constraint(integer,C) ->
- SVs = get_constraints(C,'SingleValue'),
- SV = effective_constr('SingleValue',SVs),
- VRs = get_constraints(C,'ValueRange'),
- VR = effective_constr('ValueRange',VRs),
- greatest_common_range(SV,VR).
-
-effective_constr(_,[]) ->
- [];
-effective_constr('SingleValue',List) ->
- SVList = lists:flatten(lists:map(fun(X)->element(2,X)end,List)),
- %% Sort and remove duplicates before generating SingleValue or ValueRange
- %% In case of ValueRange, also check for 'MIN and 'MAX'
- case lists:usort(SVList) of
- [N] ->
- [{'SingleValue',N}];
- L when is_list(L) ->
- [{'ValueRange',{least_Lb(L),greatest_Ub(L)}}]
- end;
-effective_constr('ValueRange',List) ->
- LBs = lists:map(fun({_,{Lb,_}})-> Lb end,List),
- UBs = lists:map(fun({_,{_,Ub}})-> Ub end,List),
- Lb = least_Lb(LBs),
- [{'ValueRange',{Lb,lists:max(UBs)}}].
-
-greatest_common_range([],VR) ->
- VR;
-greatest_common_range(SV,[]) ->
- SV;
-greatest_common_range(SV,VR) ->
- greatest_common_range2(mk_vr(SV),mk_vr(VR)).
-greatest_common_range2({_,Int},{'MIN',Ub}) when is_integer(Int),
- Int > Ub ->
- [{'ValueRange',{'MIN',Int}}];
-greatest_common_range2({_,Int},{Lb,Ub}) when is_integer(Int),
- Int < Lb ->
- [{'ValueRange',{Int,Ub}}];
-greatest_common_range2({_,Int},VR={_Lb,_Ub}) when is_integer(Int) ->
- [{'ValueRange',VR}];
-greatest_common_range2({_,L},{Lb,Ub}) when is_list(L) ->
- Min = least_Lb([Lb|L]),
- Max = greatest_Ub([Ub|L]),
- [{'ValueRange',{Min,Max}}];
-greatest_common_range2({Lb1,Ub1},{Lb2,Ub2}) ->
- Min = least_Lb([Lb1,Lb2]),
- Max = greatest_Ub([Ub1,Ub2]),
- [{'ValueRange',{Min,Max}}].
-
-mk_vr([{Type,I}]) when is_atom(Type), is_integer(I) ->
- {I,I};
-mk_vr([{Type,{Lb,Ub}}]) when is_atom(Type) ->
- {Lb,Ub};
-mk_vr(Other) ->
- Other.
-
-least_Lb(L) ->
- case lists:member('MIN',L) of
- true -> 'MIN';
- _ -> lists:min(L)
- end.
-
-greatest_Ub(L) ->
- case lists:member('MAX',L) of
- true -> 'MAX';
- _ -> lists:max(L)
- end.
-
-
-get_constraints(L=[{Key,_}],Key) ->
- L;
-get_constraints([],_) ->
- [];
-get_constraints(C,Key) ->
- {value,L} = keysearch_allwithkey(Key,1,C,[]),
- L.
-
-keysearch_allwithkey(Key,Ix,C,Acc) ->
- case lists:keysearch(Key,Ix,C) of
- false ->
- {value,Acc};
- {value,T} ->
- RestC = lists:delete(T,C),
- keysearch_allwithkey(Key,Ix,RestC,[T|Acc])
+get_constraint([{Key,V}], Key) ->
+ V;
+get_constraint([], _) ->
+ no;
+get_constraint(C, Key) ->
+ case lists:keyfind(Key, 1, C) of
+ false -> no;
+ {Key,V} -> V
end.
-
%% Object code generating for encoding and decoding
%% ------------------------------------------------
@@ -442,7 +354,7 @@ gen_encode_objectfields(Erule,ClassName,[{typefield,Name,OptOrMand}|Rest],
{false,'OPTIONAL'} ->
EmitFuncClause("Val"),
case Erule of
- uper_bin ->
+ uper ->
emit(" Val");
_ ->
emit(" [{octets,Val}]")
@@ -833,7 +745,7 @@ gen_objset_enc(Erule,ObjSetName,_UniqueName,['EXTENSIONMARK'],_ClName,
emit({"'getenc_",ObjSetName,"'(_, _) ->",nl}),
emit({indent(3),"fun(_, Val, _) ->",nl}),
case Erule of
- uper_bin ->
+ uper ->
emit([indent(6),"Val",nl]);
_ ->
emit([indent(6),"[{octets,Val}]",nl])
@@ -883,7 +795,7 @@ gen_inlined_enc_funs(Erule,Fields,[{typefield,Name,_}|Rest],ObjSetName,NthObj) -
emit({indent(9),{asis,Name}," ->",nl}),
emit([indent(12),"'",M,"'",":'enc_",T,"'(Val)"]),
gen_inlined_enc_funs1(Erule,Fields,Rest,ObjSetName,NthObj,[]);
- false when Erule == uper_bin ->
+ false when Erule =:= uper ->
emit([indent(3),"fun(Type,Val,_) ->",nl,
indent(6),"case Type of",nl,
indent(9),{asis,Name}," -> Val",nl]),
@@ -921,7 +833,7 @@ gen_inlined_enc_funs1(Erule,Fields,[{typefield,Name,_}|Rest],ObjSetName,
emit({";",nl,indent(9),{asis,Name}," ->",nl}),
emit([indent(12),"'",M,"'",":'enc_",T,"'(Val)"]),
{Acc,0};
- false when Erule == uper_bin ->
+ false when Erule =:= uper ->
emit([";",nl,
indent(9),{asis,Name}," -> ",nl,
"Val",nl]),
@@ -1228,19 +1140,43 @@ gen_decode_user(Erules,D) when is_record(D,typedef) ->
exit({error,{asn1,{unknown,Other}}})
end.
+gen_dec_imm(Erule, #type{def=Name,constraint=C}) ->
+ Aligned = case Erule of
+ uper -> false;
+ per -> true
+ end,
+ gen_dec_imm_1(Name, C, Aligned).
+
+gen_dec_imm_1('BOOLEAN', _Constr, _Aligned) ->
+ asn1ct_imm:per_dec_boolean();
+gen_dec_imm_1({'ENUMERATED',{Base,Ext}}, _Constr, Aligned) ->
+ asn1ct_imm:per_dec_enumerated(Base, Ext, Aligned);
+gen_dec_imm_1({'ENUMERATED',NamedNumberList}, _Constr, Aligned) ->
+ asn1ct_imm:per_dec_enumerated(NamedNumberList, Aligned);
+gen_dec_imm_1('INTEGER', Constr, Aligned) ->
+ asn1ct_imm:per_dec_integer(Constr, Aligned);
+gen_dec_imm_1({'INTEGER',NamedNumberList}, Constraint, Aligned) ->
+ asn1ct_imm:per_dec_named_integer(Constraint,
+ NamedNumberList,
+ Aligned);
+gen_dec_imm_1('OCTET STRING', Constraint, Aligned) ->
+ SzConstr = get_constraint(Constraint, 'SizeConstraint'),
+ Imm = asn1ct_imm:per_dec_octet_string(SzConstr, Aligned),
+ {convert,binary_to_list,Imm};
+gen_dec_imm_1(_, _, _) -> no.
+
+gen_dec_prim(Erule, Type, BytesVar) ->
+ case gen_dec_imm(Erule, Type) of
+ no ->
+ gen_dec_prim_1(Erule, Type, BytesVar);
+ Imm ->
+ asn1ct_imm:dec_code_gen(Imm, BytesVar)
+ end.
-gen_dec_prim(Erules,Att,BytesVar) ->
- Typename = Att#type.def,
- Constraint = Att#type.constraint,
+gen_dec_prim_1(Erule,
+ #type{def=Typename,constraint=Constraint}=Att,
+ BytesVar) ->
case Typename of
- 'INTEGER' ->
- emit({"?RT_PER:decode_integer(",BytesVar,",",
- {asis,effective_constraint(integer,Constraint)},")"});
- {'INTEGER',NamedNumberList} ->
- emit({"?RT_PER:decode_integer(",BytesVar,",",
- {asis,effective_constraint(integer,Constraint)},",",
- {asis,NamedNumberList},")"});
-
'REAL' ->
emit({"?RT_PER:decode_real(",BytesVar,")"});
@@ -1256,8 +1192,7 @@ gen_dec_prim(Erules,Att,BytesVar) ->
{asis,NamedNumberList},")"})
end;
'NULL' ->
- emit({"?RT_PER:decode_null(",
- BytesVar,")"});
+ emit({"{'NULL',",BytesVar,"}"});
'OBJECT IDENTIFIER' ->
emit({"?RT_PER:decode_object_identifier(",
BytesVar,")"});
@@ -1267,24 +1202,6 @@ gen_dec_prim(Erules,Att,BytesVar) ->
'ObjectDescriptor' ->
emit({"?RT_PER:decode_ObjectDescriptor(",
BytesVar,")"});
- {'ENUMERATED',{NamedNumberList1,NamedNumberList2}} ->
- NewTup = {list_to_tuple([X||{X,_} <- NamedNumberList1]),
- list_to_tuple([X||{X,_} <- NamedNumberList2])},
- NewC = [{'ValueRange',{0,size(element(1,NewTup))-1}}],
- emit({"?RT_PER:decode_enumerated(",BytesVar,",",
- {asis,NewC},",",
- {asis,NewTup},")"});
- {'ENUMERATED',NamedNumberList} ->
- NewTup = list_to_tuple([X||{X,_} <- NamedNumberList]),
- NewC = [{'ValueRange',{0,size(NewTup)-1}}],
- emit({"?RT_PER:decode_enumerated(",BytesVar,",",
- {asis,NewC},",",
- {asis,NewTup},")"});
- 'BOOLEAN'->
- emit({"?RT_PER:decode_boolean(",BytesVar,")"});
- 'OCTET STRING' ->
- emit({"?RT_PER:decode_octet_string(",BytesVar,",",
- {asis,Constraint},")"});
'NumericString' ->
emit({"?RT_PER:decode_NumericString(",BytesVar,",",
{asis,Constraint},")"});
@@ -1323,7 +1240,7 @@ gen_dec_prim(Erules,Att,BytesVar) ->
'UTF8String' ->
emit({"?RT_PER:decode_UTF8String(",BytesVar,")"});
'ANY' ->
- case Erules of
+ case Erule of
per ->
emit(["fun() -> {XTerm,YTermXBytes} = ?RT_PER:decode_open_type(",BytesVar,",",{asis,Constraint}, "), {binary_to_list(XTerm),XBytes} end ()"]);
_ ->
@@ -1345,7 +1262,7 @@ gen_dec_prim(Erules,Att,BytesVar) ->
emit([" {YTerm,_} = dec_",Tname,"(XTerm,mandatory),",nl]),
emit([" {YTerm,XBytes} end(",BytesVar,")"]);
_ ->
- case Erules of
+ case Erule of
per ->
emit(["fun() -> {XTerm,XBytes} = ?RT_PER:decode_open_type(",BytesVar,", []), {binary_to_list(XTerm),XBytes} end()"]);
_ ->
@@ -1353,11 +1270,11 @@ gen_dec_prim(Erules,Att,BytesVar) ->
end
end;
#'ObjectClassFieldType'{} ->
- case asn1ct_gen:get_inner(Att#type.def) of
+ case asn1ct_gen:get_inner(Typename) of
{fixedtypevaluefield,_,InnerType} ->
- gen_dec_prim(Erules,InnerType,BytesVar);
+ gen_dec_prim(Erule, InnerType, BytesVar);
T ->
- gen_dec_prim(Erules,Att#type{def=T},BytesVar)
+ gen_dec_prim(Erule, Att#type{def=T}, BytesVar)
end;
Other ->
exit({'cant decode' ,Other})
diff --git a/lib/asn1/src/asn1ct_gen_per_rt2ct.erl b/lib/asn1/src/asn1ct_gen_per_rt2ct.erl
index 16eec92847..ecd212c3e3 100644
--- a/lib/asn1/src/asn1ct_gen_per_rt2ct.erl
+++ b/lib/asn1/src/asn1ct_gen_per_rt2ct.erl
@@ -176,7 +176,7 @@ gen_encode_prim(Erules,D,DoTag,Value) when is_record(D,type) ->
{asis,NamedNumberList},")"})
end;
'NULL' ->
- emit({"?RT_PER:encode_null(",Value,")"});
+ emit("[]");
'OBJECT IDENTIFIER' ->
emit({"?RT_PER:encode_object_identifier(",Value,")"});
'RELATIVE-OID' ->
@@ -450,17 +450,6 @@ emit_enc_octet_string(_Erules,Constraint,Value) ->
emit({" ?RT_PER:encode_octet_string(",{asis,C},",false,",Value,")",nl})
end.
-emit_dec_octet_string(Constraint,BytesVar) ->
- case get_constraint(Constraint,'SizeConstraint') of
- 0 ->
- emit({" {[],",BytesVar,"}",nl});
- {_,0} ->
- emit({" {[],",BytesVar,"}",nl});
- C ->
- emit({" ?RT_PER:decode_octet_string(",BytesVar,",",
- {asis,C},",false)",nl})
- end.
-
emit_enc_integer_case(Value) ->
case get(component_type) of
{true,#'ComponentType'{prop=Prop}} ->
@@ -624,23 +613,6 @@ get_constraint(C,Key) ->
V
end.
-get_constraints(L=[{Key,_}],Key) ->
- L;
-get_constraints([],_) ->
- [];
-get_constraints(C,Key) ->
- {value,L} = keysearch_allwithkey(Key,1,C,[]),
- L.
-
-keysearch_allwithkey(Key,Ix,C,Acc) ->
- case lists:keysearch(Key,Ix,C) of
- false ->
- {value,Acc};
- {value,T} ->
- RestC = lists:delete(T,C),
- keysearch_allwithkey(Key,Ix,RestC,[T|Acc])
- end.
-
%% effective_constraint(Type,C)
%% Type = atom()
%% C = [C1,...]
@@ -657,69 +629,9 @@ keysearch_allwithkey(Key,Ix,C,Acc) ->
effective_constraint(integer,[C={{_,_},_}|_Rest]) -> % extension
[C]; %% [C|effective_constraint(integer,Rest)]; XXX what is possible ???
effective_constraint(integer,C) ->
- SVs = get_constraints(C,'SingleValue'),
- SV = effective_constr('SingleValue',SVs),
- VRs = get_constraints(C,'ValueRange'),
- VR = effective_constr('ValueRange',VRs),
- CRange = greatest_common_range(SV,VR),
- pre_encode(integer,CRange);
+ pre_encode(integer, asn1ct_imm:effective_constraint(integer, C));
effective_constraint(bitstring,C) ->
- get_constraint(C,'SizeConstraint').
-
-effective_constr(_,[]) ->
- [];
-effective_constr('SingleValue',List) ->
- SVList = lists:flatten(lists:map(fun(X)->element(2,X)end,List)),
- %% Sort and remove duplicates before generating SingleValue or ValueRange
- %% In case of ValueRange, also check for 'MIN and 'MAX'
- case lists:usort(SVList) of
- [N] ->
- [{'SingleValue',N}];
- L when is_list(L) ->
- [{'ValueRange',{least_Lb(L),greatest_Ub(L)}}]
- end;
-effective_constr('ValueRange',List) ->
- LBs = lists:map(fun({_,{Lb,_}})-> Lb end,List),
- UBs = lists:map(fun({_,{_,Ub}})-> Ub end,List),
- Lb = least_Lb(LBs),
- [{'ValueRange',{Lb,lists:max(UBs)}}].
-
-greatest_common_range([],VR) ->
- VR;
-greatest_common_range(SV,[]) ->
- SV;
-greatest_common_range([{_,Int}],[{_,{'MIN',Ub}}]) when is_integer(Int),
- Int > Ub ->
- [{'ValueRange',{'MIN',Int}}];
-greatest_common_range([{_,Int}],[{_,{Lb,Ub}}]) when is_integer(Int),
- Int < Lb ->
- [{'ValueRange',{Int,Ub}}];
-greatest_common_range([{_,Int}],VR=[{_,{_Lb,_Ub}}]) when is_integer(Int) ->
- VR;
-greatest_common_range([{_,L}],[{_,{Lb,Ub}}]) when is_list(L) ->
- Min = least_Lb([Lb|L]),
- Max = greatest_Ub([Ub|L]),
- [{'ValueRange',{Min,Max}}];
-greatest_common_range([{_,{Lb1,Ub1}}],[{_,{Lb2,Ub2}}]) ->
- Min = least_Lb([Lb1,Lb2]),
- Max = greatest_Ub([Ub1,Ub2]),
- [{'ValueRange',{Min,Max}}].
-
-
-least_Lb(L) ->
- case lists:member('MIN',L) of
- true -> 'MIN';
- _ -> lists:min(L)
- end.
-
-greatest_Ub(L) ->
- case lists:member('MAX',L) of
- true -> 'MAX';
- _ -> lists:max(L)
- end.
-
-
-
+ asn1ct_imm:effective_constraint(bitstring, C).
pre_encode(integer,[]) ->
[];
@@ -1586,17 +1498,9 @@ gen_dec_prim(Erules,Att,BytesVar) ->
Constraint = Att#type.constraint,
case Typename of
'INTEGER' ->
- EffectiveConstr = effective_constraint(integer,Constraint),
- emit_dec_integer(EffectiveConstr,BytesVar);
-% emit({"?RT_PER:decode_integer(",BytesVar,",",
-% {asis,EffectiveConstr},")"});
- {'INTEGER',NamedNumberList} ->
- EffectiveConstr = effective_constraint(integer,Constraint),
- emit_dec_integer(EffectiveConstr,BytesVar,NamedNumberList);
-% emit({"?RT_PER:decode_integer(",BytesVar,",",
-% {asis,EffectiveConstr},",",
-% {asis,NamedNumberList},")"});
-
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
+ {'INTEGER',_NamedNumberList} ->
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'REAL' ->
emit(["?RT_PER:decode_real(",BytesVar,")"]);
@@ -1612,8 +1516,7 @@ gen_dec_prim(Erules,Att,BytesVar) ->
{asis,NamedNumberList},")"})
end;
'NULL' ->
- emit({"?RT_PER:decode_null(",
- BytesVar,")"});
+ emit({"{'NULL',",BytesVar,"}"});
'OBJECT IDENTIFIER' ->
emit({"?RT_PER:decode_object_identifier(",
BytesVar,")"});
@@ -1623,23 +1526,13 @@ gen_dec_prim(Erules,Att,BytesVar) ->
'ObjectDescriptor' ->
emit({"?RT_PER:decode_ObjectDescriptor(",
BytesVar,")"});
- {'ENUMERATED',{NamedNumberList1,NamedNumberList2}} ->
- NewTup = {list_to_tuple([X||{X,_} <- NamedNumberList1]),
- list_to_tuple([X||{X,_} <- NamedNumberList2])},
- NewC = [{'ValueRange',{0,size(element(1,NewTup))-1}}],
- emit({"?RT_PER:decode_enumerated(",BytesVar,",",
- {asis,NewC},",",
- {asis,NewTup},")"});
- {'ENUMERATED',NamedNumberList} ->
- NewNNL = [X||{X,_} <- NamedNumberList],
- NewC = effective_constraint(integer,
- [{'ValueRange',{0,length(NewNNL)-1}}]),
- emit_dec_enumerated(BytesVar,NewC,NewNNL);
+ {'ENUMERATED',_} ->
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'BOOLEAN'->
- emit({"?RT_PER:decode_boolean(",BytesVar,")"});
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'OCTET STRING' ->
- emit_dec_octet_string(Constraint,BytesVar);
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'NumericString' ->
emit_dec_known_multiplier_string('NumericString',
@@ -1716,88 +1609,6 @@ gen_dec_prim(Erules,Att,BytesVar) ->
exit({'cant decode' ,Other})
end.
-
-emit_dec_integer(C,BytesVar,NNL) ->
- asn1ct_name:new(tmpterm),
- asn1ct_name:new(buffer),
- Tmpterm = asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),
- Buffer = asn1ct_gen:mk_var(asn1ct_name:curr(buffer)),
- emit({" begin {",{curr,tmpterm},",",{curr,buffer},"} = ",nl}),
- emit_dec_integer(C,BytesVar),
- emit({",",nl," case ",Tmpterm," of",nl}),
- lists:map(fun({Name,Int})->emit({" ",Int," -> {",{asis,Name},",",
- Buffer,"};",nl});
- (_)-> exit({error,{asn1,{"error in named number list",NNL}}})
- end,
- NNL),
- emit({" _ -> {",Tmpterm,",",Buffer,"}",nl}),
- emit({" end",nl}), % end of case
- emit(" end"). % end of begin
-
-emit_dec_integer([{'SingleValue',Int}],BytesVar) when is_integer(Int) ->
- emit(["{",Int,",",BytesVar,"}"]);
-emit_dec_integer([{_,{Lb,_Ub},_Range,{BitsOrOctets,N}}],BytesVar) ->
- GetBorO =
- case BitsOrOctets of
- bits -> "getbits";
- _ -> "getoctets"
- end,
- asn1ct_name:new(tmpterm),
- asn1ct_name:new(tmpremain),
- emit({" begin",nl," {",{curr,tmpterm},",",{curr,tmpremain},"}=",
- "?RT_PER:",GetBorO,"(",BytesVar,",",N,"),",nl}),
- emit({" {",{curr,tmpterm},"+",Lb,",",{curr,tmpremain},"}",nl,
- " end"});
-emit_dec_integer([{_,{'MIN',_}}],BytesVar) ->
- emit({"?RT_PER:decode_unconstrained_number(",BytesVar,")"});
-emit_dec_integer([{_,{Lb,'MAX'}}],BytesVar) ->
- emit({"?RT_PER:decode_semi_constrained_number(",BytesVar,",",Lb,")"});
-emit_dec_integer([{'ValueRange',VR={Lb,Ub}}],BytesVar) ->
- Range = Ub-Lb+1,
- emit({"?RT_PER:decode_constrained_number(",BytesVar,",",
- {asis,VR},",",Range,")"});
-emit_dec_integer(C=[{Rc,_}],BytesVar) when is_tuple(Rc) ->
- emit({"?RT_PER:decode_integer(",BytesVar,",",{asis,C},")"});
-emit_dec_integer(_,BytesVar) ->
- emit({"?RT_PER:decode_unconstrained_number(",BytesVar,")"}).
-
-
-emit_dec_enumerated(BytesVar,C,NamedNumberList) ->
- emit_dec_enumerated_begin(),% emits a begin if component
- asn1ct_name:new(tmpterm),
- Tmpterm = asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),
- asn1ct_name:new(tmpremain),
- Tmpremain = asn1ct_gen:mk_var(asn1ct_name:curr(tmpremain)),
- emit({" {",{curr,tmpterm},",",{curr,tmpremain},"} =",nl}),
- emit_dec_integer(C,BytesVar),
- emit({",",nl," case ",Tmpterm," of "}),
-
- Cases=lists:flatten(dec_enumerated_cases(NamedNumberList,Tmpremain,0)),
- emit({Cases++"_->exit({error,{asn1,{decode_enumerated,{",Tmpterm,
- ",",{asis,NamedNumberList},"}}}}) end",nl}),
- emit_dec_enumerated_end().
-
-emit_dec_enumerated_begin() ->
- case get(component_type) of
- {true,_} ->
- emit({" begin",nl});
- _ -> ok
- end.
-
-emit_dec_enumerated_end() ->
- case get(component_type) of
- {true,_} ->
- emit(" end");
- _ -> ok
- end.
-
-
-dec_enumerated_cases([Name|Rest],Tmpremain,No) ->
- io_lib:format("~w->{~w,~s};",[No,Name,Tmpremain])++
- dec_enumerated_cases(Rest,Tmpremain,No+1);
-dec_enumerated_cases([],_,_) ->
- "".
-
%% For PER the ExtensionAdditionGroup notation has significance for the encoding and decoding
%% the components within the ExtensionAdditionGroup is treated in a similar way as if they
%% have been specified within a SEQUENCE, therefore we construct a fake sequence type here
diff --git a/lib/asn1/src/asn1ct_imm.erl b/lib/asn1/src/asn1ct_imm.erl
new file mode 100644
index 0000000000..34bb0b8714
--- /dev/null
+++ b/lib/asn1/src/asn1ct_imm.erl
@@ -0,0 +1,626 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2012. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+%%
+-module(asn1ct_imm).
+-export([per_dec_boolean/0,per_dec_enumerated/2,per_dec_enumerated/3,
+ per_dec_extension_map/1,
+ per_dec_integer/2,per_dec_length/3,per_dec_named_integer/3,
+ per_dec_octet_string/2,per_dec_open_type/1]).
+-export([optimize_alignment/1,optimize_alignment/2,
+ dec_slim_cg/2,dec_code_gen/2]).
+-export([effective_constraint/2]).
+-import(asn1ct_gen, [emit/1]).
+
+-record(st, {var,
+ base}).
+
+dec_slim_cg(Imm0, BytesVar) ->
+ {Imm,_} = optimize_alignment(Imm0),
+ asn1ct_name:new(v),
+ [H|T] = atom_to_list(asn1ct_name:curr(v)) ++ "@",
+ VarBase = [H-($a-$A)|T],
+ St0 = #st{var=0,base=VarBase},
+ {Res,Pre,_} = flatten(Imm, BytesVar, St0),
+ dcg_list_outside(Pre),
+ Res.
+
+dec_code_gen(Imm, BytesVar) ->
+ emit(["begin",nl]),
+ {Dst,DstBuf} = dec_slim_cg(Imm, BytesVar),
+ emit([",",nl,
+ "{",Dst,",",DstBuf,"}",nl,
+ "end"]),
+ ok.
+
+optimize_alignment(Imm) ->
+ opt_al(Imm, unknown).
+
+optimize_alignment(Imm, Al) ->
+ opt_al(Imm, Al).
+
+
+per_dec_boolean() ->
+ {map,{get_bits,1,[1]},[{0,false},{1,true}]}.
+
+per_dec_enumerated(NamedList0, Aligned) ->
+ Constraint = [{'ValueRange',{0,length(NamedList0)-1}}],
+ NamedList = per_dec_enumerated_fix_list(NamedList0, [enum_error], 0),
+ Int = per_dec_integer(Constraint, Aligned),
+ {map,Int,NamedList}.
+
+per_dec_enumerated(BaseNamedList, NamedListExt0, Aligned) ->
+ Base = per_dec_enumerated(BaseNamedList, Aligned),
+ NamedListExt = per_dec_enumerated_fix_list(NamedListExt0,
+ [enum_default], 0),
+ Ext = {map,per_dec_normally_small_number(Aligned),NamedListExt},
+ bit_case(Base, Ext).
+
+per_dec_extension_map(Aligned) ->
+ Len = {add,per_dec_normally_small_number(Aligned),1},
+ {get_bits,Len,[1,bitstring]}.
+
+per_dec_integer(Constraint0, Aligned) ->
+ Constraint = effective_constraint(integer, Constraint0),
+ per_dec_integer_1(Constraint, Aligned).
+
+per_dec_length(SingleValue, _, _Aligned) when is_integer(SingleValue) ->
+ {value,SingleValue};
+per_dec_length({S,S}, _, _Aligned) when is_integer(S) ->
+ {value,S};
+per_dec_length({{_,_}=Constr,_}, AllowZero, Aligned) ->
+ bit_case(per_dec_length(Constr, AllowZero, Aligned),
+ per_dec_length(undefined, AllowZero, Aligned));
+per_dec_length({Lb,Ub}, _AllowZero, Aligned) when is_integer(Lb),
+ is_integer(Lb),
+ Ub =< 65535 ->
+ per_dec_constrained(Lb, Ub, Aligned);
+per_dec_length({_,_}, AllowZero, Aligned) ->
+ decode_unconstrained_length(AllowZero, Aligned);
+per_dec_length(undefined, AllowZero, Aligned) ->
+ decode_unconstrained_length(AllowZero, Aligned).
+
+per_dec_named_integer(Constraint, NamedList0, Aligned) ->
+ Int = per_dec_integer(Constraint, Aligned),
+ NamedList = [{K,V} || {V,K} <- NamedList0] ++ [integer_default],
+ {map,Int,NamedList}.
+
+per_dec_octet_string(Constraint, Aligned) ->
+ dec_string(Constraint, 8, Aligned).
+
+per_dec_open_type(Aligned) ->
+ {get_bits,decode_unconstrained_length(true, Aligned),
+ [8,binary,{align,Aligned}]}.
+
+
+%%%
+%%% Local functions.
+%%%
+
+dec_string(Sv, U, _Aligned) when is_integer(Sv), U*Sv =< 16 ->
+ {get_bits,Sv,[U,binary]};
+dec_string(Sv, U, Aligned) when is_integer(Sv), Sv < 16#10000 ->
+ {get_bits,Sv,[U,binary,{align,Aligned}]};
+dec_string(C, U, Aligned) when is_list(C) ->
+ dec_string({hd(C),lists:max(C)}, U, Aligned);
+dec_string({Sv,Sv}, U, Aligned) ->
+ dec_string(Sv, U, Aligned);
+dec_string({{_,_}=C,_}, U, Aligned) ->
+ bit_case(dec_string(C, U, Aligned),
+ dec_string(no, U, Aligned));
+dec_string({Lb,Ub}, U, Aligned) when Ub < 16#10000 ->
+ Len = per_dec_constrained(Lb, Ub, Aligned),
+ {get_bits,Len,[U,binary,{align,Aligned}]};
+dec_string(_, U, Aligned) ->
+ Al = [{align,Aligned}],
+ DecRest = fun(V, Buf) ->
+ emit(["?RT_PER:decode_fragmented(",V,", ",
+ Buf,", ",U,")"])
+ end,
+ {'case',[{test,{get_bits,1,[1|Al]},0,
+ {value,{get_bits,
+ {get_bits,7,[1]},
+ [U,binary]}}},
+ {test,{get_bits,1,[1|Al]},1,
+ {test,{get_bits,1,[1]},0,
+ {value,{get_bits,
+ {get_bits,14,[1]},
+ [U,binary]}}}},
+ {test,{get_bits,1,[1|Al]},1,
+ {test,{get_bits,1,[1]},1,
+ {value,{call,DecRest,{get_bits,6,[1]}}}}}]}.
+
+per_dec_enumerated_fix_list([{V,_}|T], Tail, N) ->
+ [{N,V}|per_dec_enumerated_fix_list(T, Tail, N+1)];
+per_dec_enumerated_fix_list([], Tail, _) -> Tail.
+
+per_dec_integer_1([{'SingleValue',Value}], _Aligned) ->
+ {value,Value};
+per_dec_integer_1([{'ValueRange',{Lb,'MAX'}}], Aligned) when is_integer(Lb) ->
+ per_dec_unconstrained(Aligned);
+per_dec_integer_1([{'ValueRange',{Lb,Ub}}], Aligned) when is_integer(Lb),
+ is_integer(Ub) ->
+ per_dec_constrained(Lb, Ub, Aligned);
+per_dec_integer_1([{{_,_}=Constr0,_}], Aligned) ->
+ Constr = effective_constraint(integer, [Constr0]),
+ bit_case(per_dec_integer(Constr, Aligned),
+ per_dec_unconstrained(Aligned));
+per_dec_integer_1([], Aligned) ->
+ per_dec_unconstrained(Aligned).
+
+per_dec_unconstrained(Aligned) ->
+ {get_bits,decode_unconstrained_length(false, Aligned),[8,signed]}.
+
+per_dec_constrained(Lb, Ub, false) ->
+ Range = Ub - Lb + 1,
+ Get = {get_bits,uper_num_bits(Range),[1]},
+ add_lb(Lb, Get);
+per_dec_constrained(Lb, Ub, true) ->
+ Range = Ub - Lb + 1,
+ Get = if
+ Range =< 255 ->
+ {get_bits,per_num_bits(Range),[1,unsigned]};
+ Range == 256 ->
+ {get_bits,1,[8,unsigned,{align,true}]};
+ Range =< 65536 ->
+ {get_bits,2,[8,unsigned,{align,true}]};
+ true ->
+ RangeOctLen = byte_size(binary:encode_unsigned(Range - 1)),
+ {get_bits,per_dec_length({1,RangeOctLen}, false, true),
+ [8,unsigned,{align,true}]}
+ end,
+ add_lb(Lb, Get).
+
+add_lb(0, Get) -> Get;
+add_lb(Lb, Get) -> {add,Get,Lb}.
+
+per_dec_normally_small_number(Aligned) ->
+ Small = {get_bits,6,[1]},
+ Unlimited = per_decode_semi_constrained(0, Aligned),
+ bit_case(Small, Unlimited).
+
+per_decode_semi_constrained(Lb, Aligned) ->
+ add_lb(Lb, {get_bits,decode_unconstrained_length(false, Aligned),[8]}).
+
+bit_case(Base, Ext) ->
+ {'case',[{test,{get_bits,1,[1]},0,Base},
+ {test,{get_bits,1,[1]},1,Ext}]}.
+
+decode_unconstrained_length(AllowZero, Aligned) ->
+ Al = [{align,Aligned}],
+ Zero = case AllowZero of
+ false -> [non_zero];
+ true -> []
+ end,
+ {'case',[{test,{get_bits,1,[1|Al]},0,
+ {value,{get_bits,7,[1|Zero]}}},
+ {test,{get_bits,1,[1|Al]},1,
+ {test,{get_bits,1,[1]},0,
+ {value,{get_bits,14,[1|Zero]}}}}]}.
+
+uper_num_bits(N) ->
+ uper_num_bits(N, 1, 0).
+
+uper_num_bits(N, T, B) when N =< T -> B;
+uper_num_bits(N, T, B) -> uper_num_bits(N, T bsl 1, B+1).
+
+per_num_bits(2) -> 1;
+per_num_bits(N) when N =< 4 -> 2;
+per_num_bits(N) when N =< 8 -> 3;
+per_num_bits(N) when N =< 16 -> 4;
+per_num_bits(N) when N =< 32 -> 5;
+per_num_bits(N) when N =< 64 -> 6;
+per_num_bits(N) when N =< 128 -> 7;
+per_num_bits(N) when N =< 255 -> 8.
+
+%%%
+%%% Remove unnecessary aligning to octet boundaries.
+%%%
+
+opt_al({get_bits,E0,Opts0}, A0) ->
+ {E,A1} = opt_al(E0, A0),
+ Opts = opt_al_1(A1, Opts0),
+ A = update_al(A1, E, Opts),
+ {{get_bits,E,Opts},A};
+opt_al({call,Fun,E0}, A0) ->
+ {E,A} = opt_al(E0, A0),
+ {{call,Fun,E},A};
+opt_al({convert,Op,E0}, A0) ->
+ {E,A} = opt_al(E0, A0),
+ {{convert,Op,E},A};
+opt_al({value,E0}, A0) ->
+ {E,A} = opt_al(E0, A0),
+ {{value,E},A};
+opt_al({add,E0,I}, A0) when is_integer(I) ->
+ {E,A} = opt_al(E0, A0),
+ {{add,E,I},A};
+opt_al({test,E0,V,B0}, A0) ->
+ {E,A1} = opt_al(E0, A0),
+ {B,A2} = opt_al(B0, A1),
+ {{test,E,V,B},A2};
+opt_al({'case',Cs0}, A0) ->
+ {Cs,A} = opt_al_cs(Cs0, A0),
+ {{'case',Cs},A};
+opt_al({map,E0,Cs}, A0) ->
+ {E,A} = opt_al(E0, A0),
+ {{map,E,Cs},A};
+opt_al(I, A) when is_integer(I) ->
+ {I,A}.
+
+opt_al_cs([C0|Cs0], A0) ->
+ {C,A1} = opt_al(C0, A0),
+ {Cs,A2} = opt_al_cs(Cs0, A0),
+ {[C|Cs],merge_al(A1, A2)};
+opt_al_cs([], _) -> {[],none}.
+
+merge_al(unknown, _) -> unknown;
+merge_al(Other, none) -> Other;
+merge_al(_, unknown) -> unknown;
+merge_al(I0, I1) ->
+ case {I0 rem 8,I1 rem 8} of
+ {I,I} -> I;
+ {_,_} -> unknown
+ end.
+
+opt_al_1(unknown, Opts) ->
+ Opts;
+opt_al_1(A, Opts0) ->
+ case alignment(Opts0) of
+ none ->
+ Opts0;
+ full ->
+ case A rem 8 of
+ 0 ->
+ %% Already in alignment.
+ proplists:delete(align, Opts0);
+ Bits ->
+ %% Cheaper alignment with a constant padding.
+ Opts1 = proplists:delete(align, Opts0),
+ [{align,8-Bits }|Opts1]
+ end;
+ A -> %Assertion.
+ Opts0
+ end.
+
+update_al(A0, E, Opts) ->
+ A = case alignment(Opts) of
+ none -> A0;
+ full -> 0;
+ Bits when is_integer(A0) ->
+ 0 = (A0 + Bits) rem 8; %Assertion.
+ _ ->
+ 0
+ end,
+ [U] = [U || U <- Opts, is_integer(U)],
+ if
+ U rem 8 =:= 0 -> A;
+ is_integer(A), is_integer(E) -> A + U*E;
+ true -> unknown
+ end.
+
+%%%
+%%% Flatten the intermediate format and assign temporaries.
+%%%
+
+flatten({get_bits,I,U}, Buf0, St0) when is_integer(I) ->
+ {Dst,St} = new_var_pair(St0),
+ Gb = {get_bits,{I,Buf0},U,Dst},
+ flatten_align(Gb, [], St);
+flatten({get_bits,E0,U}, Buf0, St0) ->
+ {E,Pre,St1} = flatten(E0, Buf0, St0),
+ {Dst,St2} = new_var_pair(St1),
+ Gb = {get_bits,E,U,Dst},
+ flatten_align(Gb, Pre, St2);
+flatten({test,{get_bits,I,U},V,E0}, Buf0, St0) when is_integer(I) ->
+ {DstBuf0,St1} = new_var("Buf", St0),
+ Gb = {get_bits,{I,Buf0},U,{V,DstBuf0}},
+ {{_Dst,DstBuf},Pre0,St2} = flatten_align(Gb, [], St1),
+ {E,Pre1,St3} = flatten(E0, DstBuf, St2),
+ {E,Pre0++Pre1,St3};
+flatten({add,E0,I}, Buf0, St0) ->
+ {{Src,Buf},Pre,St1} = flatten(E0, Buf0, St0),
+ {Dst,St} = new_var("Add", St1),
+ {{Dst,Buf},Pre++[{add,Src,I,Dst}],St};
+flatten({'case',Cs0}, Buf0, St0) ->
+ {Dst,St1} = new_var_pair(St0),
+ {Cs1,St} = flatten_cs(Cs0, Buf0, St1),
+ {Al,Cs2} = flatten_hoist_align(Cs1),
+ {Dst,Al++[{'case',Buf0,Cs2,Dst}],St};
+flatten({map,E0,Cs0}, Buf0, St0) ->
+ {{E,DstBuf},Pre,St1} = flatten(E0, Buf0, St0),
+ {Dst,St2} = new_var("Int", St1),
+ Cs = flatten_map_cs(Cs0, E),
+ {{Dst,DstBuf},Pre++[{'map',E,Cs,{Dst,DstBuf}}],St2};
+flatten({value,V0}, Buf0, St0) when is_integer(V0) ->
+ {{V0,Buf0},[],St0};
+flatten({value,V0}, Buf0, St0) ->
+ flatten(V0, Buf0, St0);
+flatten({convert,Op,E0}, Buf0, St0) ->
+ {{E,Buf},Pre,St1} = flatten(E0, Buf0, St0),
+ {Dst,St2} = new_var("Conv", St1),
+ {{Dst,Buf},Pre++[{convert,Op,E,Dst}],St2};
+flatten({call,Fun,E0}, Buf0, St0) ->
+ {Src,Pre,St1} = flatten(E0, Buf0, St0),
+ {Dst,St2} = new_var_pair(St1),
+ {Dst,Pre++[{call,Fun,Src,Dst}],St2}.
+
+flatten_cs([C0|Cs0], Buf, St0) ->
+ {C,Pre,St1} = flatten(C0, Buf, St0),
+ {Cs,St2} = flatten_cs(Cs0, Buf, St0),
+ St3 = St2#st{var=max(St1#st.var, St2#st.var)},
+ {[Pre++[{return,C}]|Cs],St3};
+flatten_cs([], _, St) -> {[],St}.
+
+flatten_map_cs(Cs, Var) ->
+ flatten_map_cs_1(Cs, {Var,Cs}).
+
+flatten_map_cs_1([{K,V}|Cs], DefData) ->
+ [{{asis,K},{asis,V}}|flatten_map_cs_1(Cs, DefData)];
+flatten_map_cs_1([integer_default], {Int,_}) ->
+ [{'_',Int}];
+flatten_map_cs_1([enum_default], {Int,_}) ->
+ [{'_',["{asn1_enum,",Int,"}"]}];
+flatten_map_cs_1([enum_error], {Var,Cs}) ->
+ Vs = [V || {_,V} <- Cs],
+ [{'_',["exit({error,{asn1,{decode_enumerated,{",Var,",",
+ {asis,Vs},"}}}})"]}];
+flatten_map_cs_1([], _) -> [].
+
+flatten_hoist_align([[{align_bits,_,_}=Ab|T]|Cs]) ->
+ flatten_hoist_align_1(Cs, Ab, [T]);
+flatten_hoist_align(Cs) -> {[],Cs}.
+
+flatten_hoist_align_1([[Ab|T]|Cs], Ab, Acc) ->
+ flatten_hoist_align_1(Cs, Ab, [T|Acc]);
+flatten_hoist_align_1([], Ab, Acc) ->
+ {[Ab],lists:reverse(Acc)}.
+
+flatten_align({get_bits,{SrcBits,SrcBuf},U,Dst}=Gb0, Pre, St0) ->
+ case alignment(U) of
+ none ->
+ flatten_align_1(U, Dst, Pre++[Gb0], St0);
+ full ->
+ {PadBits,St1} = new_var("Pad", St0),
+ {DstBuf,St2} = new_var("Buf", St1),
+ Ab = {align_bits,SrcBuf,PadBits},
+ Agb = {get_bits,{PadBits,SrcBuf},[1],{'_',DstBuf}},
+ Gb = {get_bits,{SrcBits,DstBuf},U,Dst},
+ flatten_align_1(U, Dst, Pre++[Ab,Agb,Gb], St2);
+ PadBits when is_integer(PadBits), PadBits > 0 ->
+ {DstBuf,St1} = new_var("Buf", St0),
+ Agb = {get_bits,{PadBits,SrcBuf},[1],{'_',DstBuf}},
+ Gb = {get_bits,{SrcBits,DstBuf},U,Dst},
+ flatten_align_1(U, Dst, Pre++[Agb,Gb], St1)
+ end.
+
+flatten_align_1(U, {D,_}=Dst, Pre, St) ->
+ case is_non_zero(U) of
+ false ->
+ {Dst,Pre,St};
+ true ->
+ {Dst,Pre++[{non_zero,D}],St}
+ end.
+
+new_var_pair(St0) ->
+ {Var,St1} = new_var("V", St0),
+ {Buf,St2} = new_var("Buf", St1),
+ {{Var,Buf},St2}.
+
+new_var(Tag, #st{base=VarBase,var=N}=St) ->
+ {VarBase++Tag++integer_to_list(N),St#st{var=N+1}}.
+
+alignment([{align,false}|_]) -> none;
+alignment([{align,true}|_]) -> full;
+alignment([{align,Bits}|_]) -> Bits;
+alignment([_|T]) -> alignment(T);
+alignment([]) -> none.
+
+is_non_zero(Fl) ->
+ lists:member(non_zero, Fl).
+
+%%%
+%%% Generate Erlang code from the flattened intermediate format.
+%%%
+
+dcg_list_outside([{align_bits,Buf,SzVar}|T]) ->
+ emit([SzVar," = bit_size(",Buf,") band 7"]),
+ iter_dcg_list_outside(T);
+dcg_list_outside([{'case',Buf,Cs,Dst}|T]) ->
+ dcg_case(Buf, Cs, Dst),
+ iter_dcg_list_outside(T);
+dcg_list_outside([{'map',Val,Cs,Dst}|T]) ->
+ dcg_map(Val, Cs, Dst),
+ iter_dcg_list_outside(T);
+dcg_list_outside([{add,S1,S2,Dst}|T]) ->
+ emit([Dst," = ",S1," + ",S2]),
+ iter_dcg_list_outside(T);
+dcg_list_outside([{return,{V,Buf}}|T]) ->
+ emit(["{",V,",",Buf,"}"]),
+ iter_dcg_list_outside(T);
+dcg_list_outside([{call,Fun,{V,Buf},{Dst,DstBuf}}|T]) ->
+ emit(["{",Dst,",",DstBuf,"} = "]),
+ Fun(V, Buf),
+ iter_dcg_list_outside(T);
+dcg_list_outside([{convert,Op,V,Dst}|T]) ->
+ emit([Dst," = ",Op,"(",V,")"]),
+ iter_dcg_list_outside(T);
+dcg_list_outside([{get_bits,{_,Buf0},_,_}|_]=L0) ->
+ emit("<<"),
+ {L,Buf} = dcg_list_inside(L0, buf),
+ emit([Buf,"/bitstring>> = ",Buf0]),
+ iter_dcg_list_outside(L);
+dcg_list_outside([]) ->
+ emit("ignore"),
+ ok.
+
+iter_dcg_list_outside([_|_]=T) ->
+ emit([",",nl]),
+ dcg_list_outside(T);
+iter_dcg_list_outside([]) -> ok.
+
+dcg_case(Buf, Cs, {Dst,DstBuf}) ->
+ emit(["{",Dst,",",DstBuf,"} = case ",Buf," of",nl]),
+ dcg_case_cs(Cs),
+ emit("end").
+
+dcg_case_cs([C|Cs]) ->
+ emit("<<"),
+ {T0,DstBuf} = dcg_list_inside(C, buf),
+ emit([DstBuf,"/bitstring>>"]),
+ T1 = dcg_guard(T0),
+ dcg_list_outside(T1),
+ case Cs of
+ [] -> emit([nl]);
+ [_|_] -> emit([";",nl])
+ end,
+ dcg_case_cs(Cs);
+dcg_case_cs([]) -> ok.
+
+dcg_guard([{non_zero,Src}|T]) ->
+ emit([" when ",Src," =/= 0 ->",nl]),
+ T;
+dcg_guard(T) ->
+ emit([" ->",nl]),
+ T.
+
+dcg_map(Val, Cs, {Dst,_}) ->
+ emit([Dst," = case ",Val," of",nl]),
+ dcg_map_cs(Cs),
+ emit("end").
+
+dcg_map_cs([{K,V}]) ->
+ emit([K," -> ",V,nl]);
+dcg_map_cs([{K,V}|Cs]) ->
+ emit([K," -> ",V,";",nl]),
+ dcg_map_cs(Cs).
+
+dcg_list_inside([{get_bits,{Sz,_},Fl0,{Dst,DstBuf}}|T], _) ->
+ Fl = bit_flags(Fl0, []),
+ emit([mk_dest(Dst),":",Sz,Fl,","]),
+ dcg_list_inside(T, DstBuf);
+dcg_list_inside(L, Dst) -> {L,Dst}.
+
+bit_flags([1|T], Acc) ->
+ bit_flags(T, Acc);
+bit_flags([{align,_}|T], Acc) ->
+ bit_flags(T, Acc);
+bit_flags([non_zero|T], Acc) ->
+ bit_flags(T, Acc);
+bit_flags([U|T], Acc) when is_integer(U) ->
+ bit_flags(T, ["unit:"++integer_to_list(U)|Acc]);
+bit_flags([H|T], Acc) ->
+ bit_flags(T, [atom_to_list(H)|Acc]);
+bit_flags([], []) ->
+ "";
+bit_flags([], Acc) ->
+ "/" ++ bit_flags_1(Acc, "").
+
+bit_flags_1([H|T], Sep) ->
+ Sep ++ H ++ bit_flags_1(T, "-");
+bit_flags_1([], _) -> [].
+
+mk_dest(I) when is_integer(I) ->
+ integer_to_list(I);
+mk_dest(S) -> S.
+
+%% effective_constraint(Type,C)
+%% Type = atom()
+%% C = [C1,...]
+%% C1 = {'SingleValue',SV} | {'ValueRange',VR} | {atom(),term()}
+%% SV = integer() | [integer(),...]
+%% VR = {Lb,Ub}
+%% Lb = 'MIN' | integer()
+%% Ub = 'MAX' | integer()
+%% Returns a single value if C only has a single value constraint, and no
+%% value range constraints, that constrains to a single value, otherwise
+%% returns a value range that has the lower bound set to the lowest value
+%% of all single values and lower bound values in C and the upper bound to
+%% the greatest value.
+effective_constraint(integer,[C={{_,_},_}|_Rest]) -> % extension
+ [C];
+effective_constraint(integer, C) ->
+ SVs = get_constraints(C, 'SingleValue'),
+ SV = effective_constr('SingleValue', SVs),
+ VRs = get_constraints(C, 'ValueRange'),
+ VR = effective_constr('ValueRange', VRs),
+ greatest_common_range(SV, VR);
+effective_constraint(bitstring, C) ->
+ get_constraint(C, 'SizeConstraint').
+
+effective_constr(_, []) -> [];
+effective_constr('SingleValue', List) ->
+ SVList = lists:flatten(lists:map(fun(X) -> element(2, X) end, List)),
+ %% Sort and remove duplicates before generating SingleValue or ValueRange
+ %% In case of ValueRange, also check for 'MIN and 'MAX'
+ case lists:usort(SVList) of
+ [N] ->
+ [{'SingleValue',N}];
+ [_|_]=L ->
+ [{'ValueRange',{least_Lb(L),greatest_Ub(L)}}]
+ end;
+effective_constr('ValueRange', List) ->
+ LBs = lists:map(fun({_,{Lb,_}}) -> Lb end, List),
+ UBs = lists:map(fun({_,{_,Ub}}) -> Ub end, List),
+ Lb = least_Lb(LBs),
+ [{'ValueRange',{Lb,lists:max(UBs)}}].
+
+greatest_common_range([], VR) ->
+ VR;
+greatest_common_range(SV, []) ->
+ SV;
+greatest_common_range([{_,Int}], [{_,{'MIN',Ub}}])
+ when is_integer(Int), Int > Ub ->
+ [{'ValueRange',{'MIN',Int}}];
+greatest_common_range([{_,Int}],[{_,{Lb,Ub}}])
+ when is_integer(Int), Int < Lb ->
+ [{'ValueRange',{Int,Ub}}];
+greatest_common_range([{_,Int}],VR=[{_,{_Lb,_Ub}}]) when is_integer(Int) ->
+ VR;
+greatest_common_range([{_,L}],[{_,{Lb,Ub}}]) when is_list(L) ->
+ Min = least_Lb([Lb|L]),
+ Max = greatest_Ub([Ub|L]),
+ [{'ValueRange',{Min,Max}}];
+greatest_common_range([{_,{Lb1,Ub1}}], [{_,{Lb2,Ub2}}]) ->
+ Min = least_Lb([Lb1,Lb2]),
+ Max = greatest_Ub([Ub1,Ub2]),
+ [{'ValueRange',{Min,Max}}].
+
+
+least_Lb(L) ->
+ case lists:member('MIN', L) of
+ true -> 'MIN';
+ false -> lists:min(L)
+ end.
+
+greatest_Ub(L) ->
+ case lists:member('MAX', L) of
+ true -> 'MAX';
+ false -> lists:max(L)
+ end.
+
+get_constraint(C, Key) ->
+ case lists:keyfind(Key, 1, C) of
+ false -> no;
+ {_,V} -> V
+ end.
+
+get_constraints([{Key,_}=Pair|T], Key) ->
+ [Pair|get_constraints(T, Key)];
+get_constraints([_|T], Key) ->
+ get_constraints(T, Key);
+get_constraints([], _) -> [].
diff --git a/lib/asn1/src/asn1ct_value.erl b/lib/asn1/src/asn1ct_value.erl
index 9013baef92..389642c446 100644
--- a/lib/asn1/src/asn1ct_value.erl
+++ b/lib/asn1/src/asn1ct_value.erl
@@ -54,7 +54,7 @@ from_type(M,Typename,Type) when is_record(Type,type) ->
{notype,_} ->
true;
{primitive,bif} ->
- from_type_prim(Type,get_encoding_rule(M));
+ from_type_prim(Type);
'ASN1_OPEN_TYPE' ->
case Type#type.constraint of
[#'Externaltypereference'{type=TrefConstraint}] ->
@@ -164,7 +164,7 @@ gen_list(_,_,_,0) ->
gen_list(M,Typename,Oftype,N) ->
[from_type(M,Typename,Oftype)|gen_list(M,Typename,Oftype,N-1)].
-from_type_prim(D,Erule) ->
+from_type_prim(D) ->
C = D#type.constraint,
case D#type.def of
'INTEGER' ->
@@ -303,12 +303,7 @@ from_type_prim(D,Erule) ->
adjust_list(size_random(C),c_string(C,"BMPString"));
'UTF8String' ->
{ok,Res}=asn1rt:utf8_list_to_binary(adjust_list(random(50),[$U,$T,$F,$8,$S,$t,$r,$i,$n,$g,16#ffff,16#fffffff,16#ffffff,16#fffff,16#fff])),
- case Erule of
- per ->
- binary_to_list(Res);
- _ ->
- Res
- end;
+ Res;
'UniversalString' ->
adjust_list(size_random(C),c_string(C,"UniversalString"));
XX ->
@@ -440,20 +435,9 @@ get_encoding_rule(M) ->
end.
open_type_value(ber) ->
- [4,9,111,112,101,110,95,116,121,112,101];
-open_type_value(ber_bin) ->
-% [4,9,111,112,101,110,95,116,121,112,101];
- <<4,9,111,112,101,110,95,116,121,112,101>>;
-open_type_value(ber_bin_v2) ->
-% [4,9,111,112,101,110,95,116,121,112,101];
<<4,9,111,112,101,110,95,116,121,112,101>>;
-open_type_value(per) ->
- "\n\topen_type"; %octet string value "open_type"
-open_type_value(per_bin) ->
- <<"\n\topen_type">>;
-% <<10,9,111,112,101,110,95,116,121,112,101>>;
open_type_value(_) ->
- [4,9,111,112,101,110,95,116,121,112,101].
+ <<"\n\topen_type">>. %octet string value "open_type"
to_textual_order({Root,Ext}) ->
{to_textual_order(Root),Ext};
diff --git a/lib/asn1/src/asn1rt_ber_bin.erl b/lib/asn1/src/asn1rt_ber_bin.erl
index 22f9f2ecfd..ec1549804b 100644
--- a/lib/asn1/src/asn1rt_ber_bin.erl
+++ b/lib/asn1/src/asn1rt_ber_bin.erl
@@ -19,337 +19,30 @@
%%
-module(asn1rt_ber_bin).
-%% encoding / decoding of BER
-
--export([decode/1]).
--export([fixoptionals/2,split_list/2,cindex/3,restbytes2/3,
- list_to_record/2,
- encode_tag_val/1,decode_tag/1,peek_tag/1,
- check_tags/3, encode_tags/3]).
--export([encode_boolean/2,decode_boolean/3,
- encode_integer/3,encode_integer/4,
- decode_integer/4,decode_integer/5,encode_enumerated/2,
- encode_enumerated/4,decode_enumerated/5,
+-export([decode_length/1,
encode_real/2, encode_real/3,
decode_real/2, decode_real/4,
- encode_bit_string/4,decode_bit_string/6,
- decode_compact_bit_string/6,
- encode_octet_string/3,decode_octet_string/5,
- encode_null/2,decode_null/3,
- encode_object_identifier/2,decode_object_identifier/3,
- encode_relative_oid/2,decode_relative_oid/3,
- encode_restricted_string/4,decode_restricted_string/6,
- encode_universal_string/3,decode_universal_string/5,
- encode_UTF8_string/3, decode_UTF8_string/3,
- encode_BMP_string/3,decode_BMP_string/5,
- encode_generalized_time/3,decode_generalized_time/5,
- encode_utc_time/3,decode_utc_time/5,
- encode_length/1,decode_length/1,
- check_if_valid_tag/3,
- decode_tag_and_length/1, decode_components/6,
- decode_components/7, decode_set/6]).
-
--export([encode_open_type/1,encode_open_type/2,decode_open_type/1,decode_open_type/2,decode_open_type/3]).
--export([skipvalue/1, skipvalue/2,skip_ExtensionAdditions/2]).
+ decode_tag/1]).
-include("asn1_records.hrl").
-% the encoding of class of tag bits 8 and 7
+%% the encoding of class of tag bits 8 and 7
-define(UNIVERSAL, 0).
--define(APPLICATION, 16#40).
--define(CONTEXT, 16#80).
--define(PRIVATE, 16#C0).
%%% primitive or constructed encoding % bit 6
-define(PRIMITIVE, 0).
-define(CONSTRUCTED, 2#00100000).
%%% The tag-number for universal types
--define(N_BOOLEAN, 1).
--define(N_INTEGER, 2).
--define(N_BIT_STRING, 3).
--define(N_OCTET_STRING, 4).
--define(N_NULL, 5).
--define(N_OBJECT_IDENTIFIER, 6).
--define(N_OBJECT_DESCRIPTOR, 7).
--define(N_EXTERNAL, 8).
-define(N_REAL, 9).
--define(N_ENUMERATED, 10).
--define(N_EMBEDDED_PDV, 11).
--define(N_UTF8String, 12).
--define('N_RELATIVE-OID',13).
--define(N_SEQUENCE, 16).
--define(N_SET, 17).
--define(N_NumericString, 18).
--define(N_PrintableString, 19).
--define(N_TeletexString, 20).
--define(N_VideotexString, 21).
--define(N_IA5String, 22).
--define(N_UTCTime, 23).
--define(N_GeneralizedTime, 24).
--define(N_GraphicString, 25).
--define(N_VisibleString, 26).
--define(N_GeneralString, 27).
--define(N_UniversalString, 28).
--define(N_BMPString, 30).
-
-
-% the complete tag-word of built-in types
--define(T_BOOLEAN, ?UNIVERSAL bor ?PRIMITIVE bor 1).
--define(T_INTEGER, ?UNIVERSAL bor ?PRIMITIVE bor 2).
--define(T_BIT_STRING, ?UNIVERSAL bor ?PRIMITIVE bor 3). % can be CONSTRUCTED
--define(T_OCTET_STRING, ?UNIVERSAL bor ?PRIMITIVE bor 4). % can be CONSTRUCTED
--define(T_NULL, ?UNIVERSAL bor ?PRIMITIVE bor 5).
--define(T_OBJECT_IDENTIFIER,?UNIVERSAL bor ?PRIMITIVE bor 6).
--define(T_OBJECT_DESCRIPTOR,?UNIVERSAL bor ?PRIMITIVE bor 7).
--define(T_EXTERNAL, ?UNIVERSAL bor ?PRIMITIVE bor 8).
--define(T_REAL, ?UNIVERSAL bor ?PRIMITIVE bor 9).
--define(T_ENUMERATED, ?UNIVERSAL bor ?PRIMITIVE bor 10).
--define(T_EMBEDDED_PDV, ?UNIVERSAL bor ?PRIMITIVE bor 11).
--define(T_SEQUENCE, ?UNIVERSAL bor ?CONSTRUCTED bor 16).
--define(T_SET, ?UNIVERSAL bor ?CONSTRUCTED bor 17).
--define(T_NumericString, ?UNIVERSAL bor ?PRIMITIVE bor 18). %can be constructed
--define(T_PrintableString, ?UNIVERSAL bor ?PRIMITIVE bor 19). %can be constructed
--define(T_TeletexString, ?UNIVERSAL bor ?PRIMITIVE bor 20). %can be constructed
--define(T_VideotexString, ?UNIVERSAL bor ?PRIMITIVE bor 21). %can be constructed
--define(T_IA5String, ?UNIVERSAL bor ?PRIMITIVE bor 22). %can be constructed
--define(T_UTCTime, ?UNIVERSAL bor ?PRIMITIVE bor 23).
--define(T_GeneralizedTime, ?UNIVERSAL bor ?PRIMITIVE bor 24).
--define(T_GraphicString, ?UNIVERSAL bor ?PRIMITIVE bor 25). %can be constructed
--define(T_VisibleString, ?UNIVERSAL bor ?PRIMITIVE bor 26). %can be constructed
--define(T_GeneralString, ?UNIVERSAL bor ?PRIMITIVE bor 27). %can be constructed
--define(T_UniversalString, ?UNIVERSAL bor ?PRIMITIVE bor 28). %can be constructed
--define(T_BMPString, ?UNIVERSAL bor ?PRIMITIVE bor 30). %can be constructed
-
-
-decode(Bin) ->
- decode_primitive(Bin).
-
-decode_primitive(Bin) ->
- {Tlv = {Tag,Len,V},<<>>} = decode_tlv(Bin),
- case element(2,Tag) of
- ?CONSTRUCTED ->
- {Tag,Len,decode_constructed(V)};
- _ ->
- Tlv
- end.
-
-decode_constructed(<<>>) ->
- [];
-decode_constructed(Bin) ->
- {Tlv = {Tag,Len,V},Rest} = decode_tlv(Bin),
- NewTlv =
- case element(2,Tag) of
- ?CONSTRUCTED ->
- {Tag,Len,decode_constructed(V)};
- _ ->
- Tlv
- end,
- [NewTlv|decode_constructed(Rest)].
-
-decode_tlv(Bin) ->
- {Tag,Bin1,_Rb1} = decode_tag(Bin),
- {{Len,Bin2},_Rb2} = decode_length(Bin1),
- <<V:Len/binary,Bin3/binary>> = Bin2,
- {{Tag,Len,V},Bin3}.
-
-
-
-%%%%%%%%%%%%%
-% split_list(List,HeadLen) -> {HeadList,TailList}
-%
-% splits List into HeadList (Length=HeadLen) and TailList
-% if HeadLen == indefinite -> return {List,indefinite}
-split_list(List,indefinite) ->
- {List, indefinite};
-split_list(Bin, Len) when is_binary(Bin) ->
- split_binary(Bin,Len);
-split_list(List,Len) ->
- {lists:sublist(List,Len),lists:nthtail(Len,List)}.
-
-%%% new function which fixes a bug regarding indefinite length decoding
-restbytes2(indefinite,<<0,0,RemBytes/binary>>,_) ->
- {RemBytes,2};
-restbytes2(indefinite,RemBytes,ext) ->
- skipvalue(indefinite,RemBytes);
-restbytes2(RemBytes,<<>>,_) ->
- {RemBytes,0};
-restbytes2(_RemBytes,Bytes,noext) ->
- exit({error,{asn1, {unexpected,Bytes}}});
-restbytes2(RemBytes,Bytes,ext) ->
-%% {RemBytes,0}.
- {RemBytes,byte_size(Bytes)}.
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% skipvalue(Length, Bytes) -> {RemainingBytes, RemovedNumberOfBytes}
-%%
-%% skips the one complete (could be nested) TLV from Bytes
-%% handles both definite and indefinite length encodings
-%%
-
-skipvalue(L, Bytes) ->
- skipvalue(L, Bytes, 0).
-
-skipvalue(L, Bytes, Rb) ->
- skipvalue(L, Bytes, Rb, 0).
-
-skipvalue(indefinite, Bytes, Rb, IndefLevel) ->
- {T,Bytes2,R2} = decode_tag(Bytes),
- {{L,Bytes3},R3} = decode_length(Bytes2),
- case {T,L} of
- {_,indefinite} ->
- skipvalue(indefinite,Bytes3,Rb+R2+R3,IndefLevel+1);
- {{0,0,0},0} when IndefLevel =:= 0 ->
- %% See X690 8.1.5 NOTE, end of indefinite content
- {Bytes3,Rb+2};
- {{0,0,0},0} ->
- skipvalue(indefinite,Bytes3,Rb+2,IndefLevel - 1);
- _ ->
- <<_:L/binary, RestBytes/binary>> = Bytes3,
- skipvalue(indefinite,RestBytes,Rb+R2+R3+L, IndefLevel)
- %%{RestBytes, R2+R3+L}
- end;
-%% case Bytes4 of
-%% <<0,0,Bytes5/binary>> ->
-%% {Bytes5,Rb+Rb4+2};
-%% _ -> skipvalue(indefinite,Bytes4,Rb+Rb4)
-%% end;
-skipvalue(L, Bytes, Rb, _) ->
-% <<Skip:L/binary, RestBytes/binary>> = Bytes,
- <<_:L/binary, RestBytes/binary>> = Bytes,
- {RestBytes,Rb+L}.
-
-
-skipvalue(Bytes) ->
- {_T,Bytes2,R2} = decode_tag(Bytes),
- {{L,Bytes3},R3} = decode_length(Bytes2),
- skipvalue(L,Bytes3,R2+R3).
-
-
-cindex(Ix,Val,Cname) ->
- case element(Ix,Val) of
- {Cname,Val2} -> Val2;
- X -> X
- end.
-
-%%%
-%% skips byte sequence of Bytes that do not match a tag in Tags
-skip_ExtensionAdditions(Bytes,Tags) ->
- skip_ExtensionAdditions(Bytes,Tags,0).
-skip_ExtensionAdditions(<<>>,_Tags,RmB) ->
- {<<>>,RmB};
-skip_ExtensionAdditions(Bytes,Tags,RmB) ->
- case catch decode_tag(Bytes) of
- {'EXIT',_Reason} ->
- tag_error(no_data,Tags,Bytes,'OPTIONAL');
- {_T={Class,_Form,TagNo},_Bytes2,_R2} ->
- case [X||X=#tag{class=Cl,number=TN} <- Tags,Cl==Class,TN==TagNo] of
- [] ->
- %% skip this TLV and continue with next
- {Bytes3,R3} = skipvalue(Bytes),
- skip_ExtensionAdditions(Bytes3,Tags,RmB+R3);
- _ ->
- {Bytes,RmB}
- end
- end.
-
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-%% Optionals, preset not filled optionals with asn1_NOVALUE
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-
-% converts a list to a record if necessary
-list_to_record(Name,List) when is_list(List) ->
- list_to_tuple([Name|List]);
-list_to_record(_Name,Tuple) when is_tuple(Tuple) ->
- Tuple.
-
-
-fixoptionals(OptList,Val) when is_list(Val) ->
- fixoptionals(OptList,Val,1,[],[]).
-
-fixoptionals([{Name,Pos}|Ot],[{Name,Val}|Vt],_Opt,Acc1,Acc2) ->
- fixoptionals(Ot,Vt,Pos+1,[1|Acc1],[{Name,Val}|Acc2]);
-fixoptionals([{_Name,Pos}|Ot],V,Pos,Acc1,Acc2) ->
- fixoptionals(Ot,V,Pos+1,[0|Acc1],[asn1_NOVALUE|Acc2]);
-fixoptionals(O,[Vh|Vt],Pos,Acc1,Acc2) ->
- fixoptionals(O,Vt,Pos+1,Acc1,[Vh|Acc2]);
-fixoptionals([],[Vh|Vt],Pos,Acc1,Acc2) ->
- fixoptionals([],Vt,Pos+1,Acc1,[Vh|Acc2]);
-fixoptionals([],[],_,_Acc1,Acc2) ->
- % return Val as a record
- list_to_tuple([asn1_RECORDNAME|lists:reverse(Acc2)]).
-
-
-%%encode_tag(TagClass(?UNI, APP etc), Form (?PRIM etx), TagInteger) ->
-%% 8bit Int | binary
encode_tag_val({Class, Form, TagNo}) when (TagNo =< 30) ->
<<(Class bsr 6):2,(Form bsr 5):1,TagNo:5>>;
encode_tag_val({Class, Form, TagNo}) ->
{Octets,_Len} = mk_object_val(TagNo),
BinOct = list_to_binary(Octets),
- <<(Class bsr 6):2, (Form bsr 5):1, 31:5,BinOct/binary>>;
-
-%% asumes whole correct tag bitpattern, multiple of 8
-encode_tag_val(Tag) when (Tag =< 255) -> Tag; %% anv�nds denna funktion??!!
-%% asumes correct bitpattern of 0-5
-encode_tag_val(Tag) -> encode_tag_val2(Tag,[]).
-
-encode_tag_val2(Tag, OctAck) when (Tag =< 255) ->
- [Tag | OctAck];
-encode_tag_val2(Tag, OctAck) ->
- encode_tag_val2(Tag bsr 8, [255 band Tag | OctAck]).
-
-
-%%%encode_tag(TagClass(?UNI, APP etc), Form (?PRIM etx), TagInteger) ->
-%%% 8bit Int | [list of octets]
-%encode_tag_val({Class, Form, TagNo}) when (TagNo =< 30) ->
-%%% <<Class:2,Form:1,TagNo:5>>;
-% [Class bor Form bor TagNo];
-%encode_tag_val({Class, Form, TagNo}) ->
-% {Octets,L} = mk_object_val(TagNo),
-% [Class bor Form bor 31 | Octets];
-
-
-%%============================================================================\%% Peek on the initial tag
-%% peek_tag(Bytes) -> TagBytes
-%% interprets the first byte and possible second, third and fourth byte as
-%% a tag and returns all the bytes comprising the tag, the constructed/primitive bit (6:th bit of first byte) is normalised to 0
-%%
-
-peek_tag(<<B7_6:2,_:1,31:5,Buffer/binary>>) ->
- Bin = peek_tag(Buffer, <<>>),
- <<B7_6:2,31:6,Bin/binary>>;
-%% single tag (tagno < 31)
-peek_tag(<<B7_6:2,_:1,B4_0:5,_Buffer/binary>>) ->
- <<B7_6:2,B4_0:6>>.
-
-peek_tag(<<0:1,PartialTag:7,_Buffer/binary>>, TagAck) ->
- <<TagAck/binary,PartialTag>>;
-peek_tag(<<PartialTag,Buffer/binary>>, TagAck) ->
- peek_tag(Buffer,<<TagAck/binary,PartialTag>>);
-peek_tag(_,TagAck) ->
- exit({error,{asn1, {invalid_tag,TagAck}}}).
-%%peek_tag([Tag|Buffer]) when (Tag band 31) =:= 31 ->
-%% [Tag band 2#11011111 | peek_tag(Buffer,[])];
-%%%% single tag (tagno < 31)
-%%peek_tag([Tag|Buffer]) ->
-%% [Tag band 2#11011111].
-
-%%peek_tag([PartialTag|Buffer], TagAck) when (PartialTag < 128 ) ->
-%% lists:reverse([PartialTag|TagAck]);
-%%peek_tag([PartialTag|Buffer], TagAck) ->
-%% peek_tag(Buffer,[PartialTag|TagAck]);
-%%peek_tag(Buffer,TagAck) ->
-%% exit({error,{asn1, {invalid_tag,lists:reverse(TagAck)}}}).
-
+ <<(Class bsr 6):2, (Form bsr 5):1, 31:5,BinOct/binary>>.
%%===============================================================================
%% Decode a tag
@@ -403,33 +96,11 @@ check_tags_i([Tag1|TagRest], Buffer, Rb, OptOrMand) ->
_ ->
check_tags_i(TagRest, Buffer2, Rb + Rb1, mandatory)
end
- end;
-
-check_tags_i([], Buffer, Rb, _) ->
- {[],{{0,0},Buffer,Rb}}.
+ end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% This function is called from generated code
-check_tags([Tag], Buffer, OptOrMand) -> % optimized very usual case
- check_one_tag(Tag, Buffer, OptOrMand);
-check_tags(Tags, Buffer, OptOrMand) ->
- check_tags(Tags, Buffer, 0, OptOrMand).
-
-check_tags([Tag1,Tag2|TagRest], Buffer, Rb, OptOrMand)
- when Tag1#tag.type == 'IMPLICIT' ->
- check_tags([Tag1#tag{type=Tag2#tag.type}|TagRest], Buffer, Rb, OptOrMand);
-
-check_tags([Tag1|TagRest], Buffer, Rb, OptOrMand) ->
- {Form_Length,Buffer2,Rb1} = check_one_tag(Tag1, Buffer, OptOrMand),
- case TagRest of
- [] -> {Form_Length, Buffer2, Rb + Rb1};
- _ -> check_tags(TagRest, Buffer2, Rb + Rb1, mandatory)
- end;
-
-check_tags([], Buffer, Rb, _) ->
- {{0,0},Buffer,Rb}.
-
check_one_tag(Tag=#tag{class=ExpectedClass,number=ExpectedNumber}, Buffer, OptOrMand) ->
case catch decode_tag(Buffer) of
{'EXIT',_Reason} ->
@@ -491,382 +162,6 @@ encode_one_tag(#tag{class=Class,number=No,type=Type, form = Form}) ->
Bytes = encode_tag_val({Class,NewForm,No}),
{Bytes,size(Bytes)}.
-%%===============================================================================
-%% Change the tag (used when an implicit tagged type has a reference to something else)
-%% The constructed bit in the tag is taken from the tag to be replaced.
-%%
-%% change_tag(NewTag,[Tag,Buffer]) -> [NewTag,Buffer]
-%%===============================================================================
-
-%change_tag({NewClass,NewTagNr}, Buffer) ->
-% {{OldClass, OldForm, OldTagNo}, Buffer1, RemovedBytes} = decode_tag(lists:flatten(Buffer)),
-% [encode_tag_val({NewClass, OldForm, NewTagNr}) | Buffer1].
-
-
-%%===============================================================================
-%%
-%% This comment is valid for all the encode/decode functions
-%%
-%% C = Constraint -> typically {'ValueRange',LowerBound,UpperBound}
-%% used for PER-coding but not for BER-coding.
-%%
-%% Val = Value. If Val is an atom then it is a symbolic integer value
-%% (i.e the atom must be one of the names in the NamedNumberList).
-%% The NamedNumberList is used to translate the atom to an integer value
-%% before encoding.
-%%
-%%===============================================================================
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% encode_open_type(Value) -> CompleteList
-%% Value = list of bytes of an already encoded value (the list must be flat)
-%% | binary
-
-%% This version does not consider Explicit tagging of the open type. It
-%% is only left because of backward compatibility.
-encode_open_type(Val) when is_list(Val) ->
- {Val, byte_size(list_to_binary(Val))};
-encode_open_type(Val) ->
- {Val, byte_size(Val)}.
-
-%%
-encode_open_type(Val, []) when is_list(Val) ->
- {Val, byte_size(list_to_binary(Val))};
-encode_open_type(Val, []) ->
- {Val, byte_size(Val)};
-encode_open_type(Val, Tag) when is_list(Val) ->
- encode_tags(Tag, Val, byte_size(list_to_binary(Val)));
-encode_open_type(Val, Tag) ->
- encode_tags(Tag, Val, byte_size(Val)).
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% decode_open_type(Buffer) -> Value
-%% Bytes = [byte] with BER encoded data
-%% Value = [byte] with decoded data (which must be decoded again as some type)
-%%
-decode_open_type(Bytes) ->
-% {_Tag, Len, _RemainingBuffer, RemovedBytes} = decode_tag_and_length(Bytes),
-% N = Len + RemovedBytes,
- {_Tag, Len, RemainingBuffer, RemovedBytes} = decode_tag_and_length(Bytes),
- {_RemainingBuffer2, RemovedBytes2} = skipvalue(Len, RemainingBuffer, RemovedBytes),
- N = RemovedBytes2,
- <<Val:N/binary, RemainingBytes/binary>> = Bytes,
-% {Val, RemainingBytes, Len + RemovedBytes}.
- {Val,RemainingBytes,N}.
-
-decode_open_type(<<>>,[]=ExplTag) -> % R9C-0.patch-40
- exit({error, {asn1,{no_optional_tag, ExplTag}}});
-decode_open_type(Bytes,ExplTag) ->
- {Tag, Len, RemainingBuffer, RemovedBytes} = decode_tag_and_length(Bytes),
- case {Tag,ExplTag} of
-% {{Class,Form,32},[#tag{class=Class,number=No,form=32}]} ->
-% {_Tag2, Len2, RemainingBuffer2, RemovedBytes2} = decode_tag_and_length(RemainingBuffer),
-% {_RemainingBuffer3, RemovedBytes3} = skipvalue(Len2, RemainingBuffer2, RemovedBytes2),
-% N = RemovedBytes3,
-% <<_:RemovedBytes/unit:8,Val:N/binary,RemainingBytes/binary>> = Bytes,
-% {Val, RemainingBytes, N + RemovedBytes};
- {{Class,Form,No},[#tag{class=Class,number=No,form=Form}]} ->
- {_RemainingBuffer2, RemovedBytes2} =
- skipvalue(Len, RemainingBuffer),
- N = RemovedBytes2,
- <<_:RemovedBytes/unit:8,Val:N/binary,RemainingBytes/binary>> = Bytes,
- {Val, RemainingBytes, N + RemovedBytes};
- _ ->
- {_RemainingBuffer2, RemovedBytes2} =
- skipvalue(Len, RemainingBuffer, RemovedBytes),
- N = RemovedBytes2,
- <<Val:N/binary, RemainingBytes/binary>> = Bytes,
- {Val, RemainingBytes, N}
- end.
-
-decode_open_type(ber_bin,Bytes,ExplTag) ->
- decode_open_type(Bytes,ExplTag);
-decode_open_type(ber,Bytes,ExplTag) ->
- {Val,RemBytes,Len}=decode_open_type(Bytes,ExplTag),
- {binary_to_list(Val),RemBytes,Len}.
-
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-%% Boolean, ITU_T X.690 Chapter 8.2
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-
-%%===============================================================================
-%% encode_boolean(Integer, tag | notag) -> [octet list]
-%%===============================================================================
-
-encode_boolean({Name, Val}, DoTag) when is_atom(Name) ->
- dotag(DoTag, ?N_BOOLEAN, encode_boolean(Val));
-encode_boolean(true,[]) ->
- {[1,1,16#FF],3};
-encode_boolean(false,[]) ->
- {[1,1,0],3};
-encode_boolean(Val, DoTag) ->
- dotag(DoTag, ?N_BOOLEAN, encode_boolean(Val)).
-
-%% encode_boolean(Boolean) -> [Len, Boolean] = [1, $FF | 0]
-encode_boolean(true) -> {[16#FF],1};
-encode_boolean(false) -> {[0],1};
-encode_boolean(X) -> exit({error,{asn1, {encode_boolean, X}}}).
-
-
-%%===============================================================================
-%% decode_boolean(BuffList, HasTag, TotalLen) -> {true, Remain, RemovedBytes} |
-%% {false, Remain, RemovedBytes}
-%%===============================================================================
-
-decode_boolean(Buffer, Tags, OptOrMand) ->
- NewTags = new_tags(Tags,#tag{class=?UNIVERSAL,number=?N_BOOLEAN}),
- decode_boolean_notag(Buffer, NewTags, OptOrMand).
-
-decode_boolean_notag(Buffer, Tags, OptOrMand) ->
- {RestTags, {FormLen,Buffer0,Rb0}} =
- check_tags_i(Tags, Buffer, OptOrMand),
- case FormLen of
- {?CONSTRUCTED,Len} ->
- {Buffer00,RestBytes} = split_list(Buffer0,Len),
- {Val,Buffer1,Rb1} = decode_boolean_notag(Buffer00, RestTags, OptOrMand),
- {Buffer2, Rb2} = restbytes2(RestBytes,Buffer1,noext),
- {Val, Buffer2, Rb0+Rb1+Rb2};
- {_,_} ->
- decode_boolean2(Buffer0, Rb0)
- end.
-
-decode_boolean2(<<0:8, Buffer/binary>>, RemovedBytes) ->
- {false, Buffer, RemovedBytes + 1};
-decode_boolean2(<<_:8, Buffer/binary>>, RemovedBytes) ->
- {true, Buffer, RemovedBytes + 1};
-decode_boolean2(Buffer, _) ->
- exit({error,{asn1, {decode_boolean, Buffer}}}).
-
-
-%%===========================================================================
-%% Integer, ITU_T X.690 Chapter 8.3
-
-%% encode_integer(Constraint, Value, Tag) -> [octet list]
-%% encode_integer(Constraint, Name, NamedNumberList, Tag) -> [octet list]
-%% Value = INTEGER | {Name,INTEGER}
-%% Tag = tag | notag
-%%===========================================================================
-
-encode_integer(C, Val, []) when is_integer(Val) ->
- {EncVal,Len} = encode_integer(C, Val),
- dotag_universal(?N_INTEGER,EncVal,Len);
-encode_integer(C, Val, Tag) when is_integer(Val) ->
- dotag(Tag, ?N_INTEGER, encode_integer(C, Val));
-encode_integer(C,{Name,Val},Tag) when is_atom(Name) ->
- encode_integer(C,Val,Tag);
-encode_integer(_, Val, _) ->
- exit({error,{asn1, {encode_integer, Val}}}).
-
-
-encode_integer(C, Val, NamedNumberList, Tag) when is_atom(Val) ->
- case lists:keyfind(Val, 1, NamedNumberList) of
- {_, NewVal} ->
- dotag(Tag, ?N_INTEGER, encode_integer(C, NewVal));
- _ ->
- exit({error,{asn1, {encode_integer_namednumber, Val}}})
- end;
-encode_integer(C,{_,Val},NamedNumberList,Tag) ->
- encode_integer(C,Val,NamedNumberList,Tag);
-encode_integer(C, Val, _NamedNumberList, Tag) ->
- dotag(Tag, ?N_INTEGER, encode_integer(C, Val)).
-
-
-encode_integer(_C, Val) ->
- Bytes =
- if
- Val >= 0 ->
- encode_integer_pos(Val, []);
- true ->
- encode_integer_neg(Val, [])
- end,
- {Bytes,length(Bytes)}.
-
-encode_integer_pos(0, L=[B|_Acc]) when B < 128 ->
- L;
-encode_integer_pos(N, Acc) ->
- encode_integer_pos((N bsr 8), [N band 16#ff| Acc]).
-
-encode_integer_neg(-1, L=[B1|_T]) when B1 > 127 ->
- L;
-encode_integer_neg(N, Acc) ->
- encode_integer_neg(N bsr 8, [N band 16#ff|Acc]).
-
-%%===============================================================================
-%% decode integer
-%% (Buffer, Range, HasTag, TotalLen) -> {Integer, Remain, RemovedBytes}
-%% (Buffer, Range, NamedNumberList, HasTag, TotalLen) -> {Integer, Remain, RemovedBytes}
-%%===============================================================================
-
-decode_integer(Buffer, Range, Tags, OptOrMand) ->
- NewTags = new_tags(Tags,#tag{class=?UNIVERSAL,number=?N_INTEGER}),
- decode_integer_notag(Buffer, Range, [], NewTags, OptOrMand).
-
-decode_integer(Buffer, Range, NamedNumberList, Tags, OptOrMand) ->
- NewTags = new_tags(Tags,#tag{class=?UNIVERSAL,number=?N_INTEGER}),
- decode_integer_notag(Buffer, Range, NamedNumberList, NewTags, OptOrMand).
-
-decode_integer_notag(Buffer, Range, NamedNumberList, NewTags, OptOrMand) ->
- {RestTags, {FormLen, Buffer0, Rb0}} =
- check_tags_i(NewTags, Buffer, OptOrMand),
-% Result = {Val, Buffer2, RemovedBytes} =
- case FormLen of
- {?CONSTRUCTED,Len} ->
- {Buffer00, RestBytes} = split_list(Buffer0,Len),
- {Val01, Buffer01, Rb01} =
- decode_integer_notag(Buffer00, Range, NamedNumberList,
- RestTags, OptOrMand),
- {Buffer02, Rb02} = restbytes2(RestBytes,Buffer01,noext),
- {Val01, Buffer02, Rb0+Rb01+Rb02};
- {_, Len} ->
- Result =
- decode_integer2(Len,Buffer0,Rb0+Len),
- Result2 = check_integer_constraint(Result,Range),
- resolve_named_value(Result2,NamedNumberList)
- end.
-
-resolve_named_value(Result={Val,Buffer,RemBytes},NamedNumberList) ->
- case NamedNumberList of
- [] -> Result;
- _ ->
- NewVal = case lists:keyfind(Val, 2, NamedNumberList) of
- {NamedVal, _} ->
- NamedVal;
- _ ->
- Val
- end,
- {NewVal, Buffer, RemBytes}
- end.
-
-check_integer_constraint(Result={Val, _Buffer,_},Range) ->
- case Range of
- [] -> % No length constraint
- Result;
- {Lb,Ub} when Val >= Lb, Ub >= Val -> % variable length constraint
- Result;
- Val -> % fixed value constraint
- Result;
- {_,_} ->
- exit({error,{asn1,{integer_range,Range,Val}}});
- SingleValue when is_integer(SingleValue) ->
- exit({error,{asn1,{integer_range,Range,Val}}});
- _ -> % some strange constraint that we don't support yet
- Result
- end.
-
-%%============================================================================
-%% Enumerated value, ITU_T X.690 Chapter 8.4
-
-%% encode enumerated value
-%%============================================================================
-encode_enumerated(Val, []) when is_integer(Val) ->
- {EncVal,Len} = encode_integer(false,Val),
- dotag_universal(?N_ENUMERATED,EncVal,Len);
-encode_enumerated(Val, DoTag) when is_integer(Val) ->
- dotag(DoTag, ?N_ENUMERATED, encode_integer(false,Val));
-encode_enumerated({Name,Val}, DoTag) when is_atom(Name) ->
- encode_enumerated(Val, DoTag).
-
-%% The encode_enumerated functions below this line can be removed when the
-%% new code generation is stable. (the functions might have to be kept here
-%% a while longer for compatibility reasons)
-
-encode_enumerated(C, Val, {NamedNumberList,ExtList}, DoTag) when is_atom(Val) ->
- case catch encode_enumerated(C, Val, NamedNumberList, DoTag) of
- {'EXIT',_} -> encode_enumerated(C, Val, ExtList, DoTag);
- Result -> Result
- end;
-
-encode_enumerated(C, Val, NamedNumberList, DoTag) when is_atom(Val) ->
- case lists:keyfind(Val, 1, NamedNumberList) of
- {_, NewVal} when DoTag =:= [] ->
- {EncVal,Len} = encode_integer(C,NewVal),
- dotag_universal(?N_ENUMERATED,EncVal,Len);
- {_, NewVal} ->
- dotag(DoTag, ?N_ENUMERATED, encode_integer(C, NewVal));
- _ ->
- exit({error,{asn1, {enumerated_not_in_range, Val}}})
- end;
-
-encode_enumerated(C, {asn1_enum, Val}, {_,_}, DoTag) when is_integer(Val) ->
- dotag(DoTag, ?N_ENUMERATED, encode_integer(C,Val));
-
-encode_enumerated(C, {Name,Val}, NamedNumberList, DoTag) when is_atom(Name) ->
- encode_enumerated(C, Val, NamedNumberList, DoTag);
-
-encode_enumerated(_, Val, _, _) ->
- exit({error,{asn1, {enumerated_not_namednumber, Val}}}).
-
-
-
-%%============================================================================
-%% decode enumerated value
-%% (Buffer, Range, NamedNumberList, HasTag, TotalLen) ->
-%% {Value, RemainingBuffer, RemovedBytes}
-%%===========================================================================
-decode_enumerated(Buffer, Range, NamedNumberList, Tags, OptOrMand) ->
- NewTags = new_tags(Tags,#tag{class=?UNIVERSAL,number=?N_ENUMERATED}),
- decode_enumerated_notag(Buffer, Range, NamedNumberList,
- NewTags, OptOrMand).
-
-decode_enumerated_notag(Buffer, Range, NNList = {NamedNumberList,ExtList}, Tags, OptOrMand) ->
- {RestTags, {FormLen, Buffer0, Rb0}} =
- check_tags_i(Tags, Buffer, OptOrMand),
-
- case FormLen of
- {?CONSTRUCTED,Len} ->
- {Buffer00,RestBytes} = split_list(Buffer0,Len),
- {Val01, Buffer01, Rb01} =
- decode_enumerated_notag(Buffer00, Range, NNList, RestTags, OptOrMand),
- {Buffer02, Rb02} = restbytes2(RestBytes,Buffer01,noext),
- {Val01, Buffer02, Rb0+Rb01+Rb02};
- {_,Len} ->
- {Val01, Buffer01, Rb01} =
- decode_integer2(Len, Buffer0, Rb0+Len),
- case decode_enumerated1(Val01, NamedNumberList) of
- {asn1_enum,Val01} ->
- {decode_enumerated1(Val01,ExtList), Buffer01, Rb01};
- Result01 ->
- {Result01, Buffer01, Rb01}
- end
- end;
-
-decode_enumerated_notag(Buffer, Range, NNList, Tags, OptOrMand) ->
- {RestTags, {FormLen, Buffer0, Rb0}} =
- check_tags_i(Tags, Buffer, OptOrMand),
-
- case FormLen of
- {?CONSTRUCTED,Len} ->
- {Buffer00,RestBytes} = split_list(Buffer0,Len),
- {Val01, Buffer01, Rb01} =
- decode_enumerated_notag(Buffer00, Range, NNList, RestTags, OptOrMand),
- {Buffer02, Rb02} = restbytes2(RestBytes,Buffer01,noext),
- {Val01, Buffer02, Rb0+Rb01+Rb02};
- {_,Len} ->
- {Val01, Buffer02, Rb02} =
- decode_integer2(Len, Buffer0, Rb0+Len),
- case decode_enumerated1(Val01, NNList) of
- {asn1_enum,_} ->
- exit({error,{asn1, {illegal_enumerated, Val01}}});
- Result01 ->
- {Result01, Buffer02, Rb02}
- end
- end.
-
-decode_enumerated1(Val, NamedNumberList) ->
- %% it must be a named integer
- case lists:keyfind(Val, 2, NamedNumberList) of
- {NamedVal, _} ->
- NamedVal;
- _ ->
- {asn1_enum,Val}
- end.
-
-
%%============================================================================
%%
%% Real value, ITU_T X.690 Chapter 8.5
@@ -1117,513 +412,15 @@ decode_real2(Buffer0, _C, Len, RemBytes1) ->
{{Mantissa, Base, Exp}, Buffer4, RemBytes2+RemBytes3}
end.
+encode_integer_pos(0, L=[B|_Acc]) when B < 128 ->
+ L;
+encode_integer_pos(N, Acc) ->
+ encode_integer_pos((N bsr 8), [N band 16#ff| Acc]).
-%%============================================================================
-%% Bitstring value, ITU_T X.690 Chapter 8.6
-%%
-%% encode bitstring value
-%%
-%% bitstring NamedBitList
-%% Val can be of:
-%% - [identifiers] where only named identifers are set to one,
-%% the Constraint must then have some information of the
-%% bitlength.
-%% - [list of ones and zeroes] all bits
-%% - integer value representing the bitlist
-%% C is constrint Len, only valid when identifiers
-%%============================================================================
-
-encode_bit_string(C,Bin={Unused,BinBits},NamedBitList,DoTag) when is_integer(Unused), is_binary(BinBits) ->
- encode_bin_bit_string(C,Bin,NamedBitList,DoTag);
-encode_bit_string(C, [FirstVal | RestVal], NamedBitList, DoTag) when is_atom(FirstVal) ->
- encode_bit_string_named(C, [FirstVal | RestVal], NamedBitList, DoTag);
-
-encode_bit_string(C, [{bit,X} | RestVal], NamedBitList, DoTag) ->
- encode_bit_string_named(C, [{bit,X} | RestVal], NamedBitList, DoTag);
-
-encode_bit_string(C, [FirstVal| RestVal], NamedBitList, DoTag) when is_integer(FirstVal) ->
- encode_bit_string_bits(C, [FirstVal | RestVal], NamedBitList, DoTag);
-
-encode_bit_string(_, 0, _, []) ->
- {[?N_BIT_STRING,1,0],3};
-
-encode_bit_string(_, 0, _, DoTag) ->
- dotag(DoTag, ?N_BIT_STRING, {<<0>>,1});
-
-encode_bit_string(_, [], _, []) ->
- {[?N_BIT_STRING,1,0],3};
-
-encode_bit_string(_, [], _, DoTag) ->
- dotag(DoTag, ?N_BIT_STRING, {<<0>>,1});
-
-encode_bit_string(C, IntegerVal, NamedBitList, DoTag) when is_integer(IntegerVal) ->
- BitListVal = int_to_bitlist(IntegerVal),
- encode_bit_string_bits(C, BitListVal, NamedBitList, DoTag);
-
-encode_bit_string(C, {Name,BitList}, NamedBitList, DoTag) when is_atom(Name) ->
- encode_bit_string(C, BitList, NamedBitList, DoTag).
-
-
-
-int_to_bitlist(0) ->
- [];
-int_to_bitlist(Int) when is_integer(Int), Int >= 0 ->
- [Int band 1 | int_to_bitlist(Int bsr 1)].
-
-
-%%=================================================================
-%% Encode BIT STRING of the form {Unused,BinBits}.
-%% Unused is the number of unused bits in the last byte in BinBits
-%% and BinBits is a binary representing the BIT STRING.
-%%=================================================================
-encode_bin_bit_string(C,{Unused,BinBits},_NamedBitList,DoTag)->
- case get_constraint(C,'SizeConstraint') of
- no ->
- remove_unused_then_dotag(DoTag,?N_BIT_STRING,Unused,BinBits);
- {_Min,Max} ->
- BBLen = (size(BinBits)*8)-Unused,
- if
- BBLen > Max ->
- exit({error,{asn1,
- {bitstring_length,
- {{was,BBLen},{maximum,Max}}}}});
- true ->
- remove_unused_then_dotag(DoTag,?N_BIT_STRING,
- Unused,BinBits)
- end;
- Size ->
- case ((size(BinBits)*8)-Unused) of
- BBSize when BBSize =< Size ->
- remove_unused_then_dotag(DoTag,?N_BIT_STRING,
- Unused,BinBits);
- BBSize ->
- exit({error,{asn1,
- {bitstring_length,
- {{was,BBSize},{should_be,Size}}}}})
- end
- end.
-
-remove_unused_then_dotag(DoTag,StringType,Unused,BinBits) ->
- case Unused of
- 0 when (byte_size(BinBits) =:= 0), DoTag =:= [] ->
- %% time optimization of next case
- {[StringType,1,0],3};
- 0 when (byte_size(BinBits) =:= 0) ->
- dotag(DoTag,StringType,{<<0>>,1});
- 0 when DoTag =:= [] -> % time optimization of next case
- dotag_universal(StringType,[Unused|[BinBits]],size(BinBits)+1);
-% {LenEnc,Len} = encode_legth(size(BinBits)+1),
-% {[StringType,LenEnc,[Unused|BinBits]],size(BinBits)+1+Len+1};
- 0 ->
- dotag(DoTag,StringType,<<Unused,BinBits/binary>>);
- Num when DoTag =:= [] -> % time optimization of next case
- N = byte_size(BinBits) - 1,
- <<BBits:N/binary,LastByte>> = BinBits,
- dotag_universal(StringType,
- [Unused,BBits,(LastByte bsr Num) bsl Num],
- byte_size(BinBits) + 1);
-% {LenEnc,Len} = encode_legth(size(BinBits)+1),
-% {[StringType,LenEnc,[Unused,BBits,(LastByte bsr Num) bsl Num],
-% 1+Len+size(BinBits)+1};
- Num ->
- N = byte_size(BinBits) - 1,
- <<BBits:N/binary,LastByte>> = BinBits,
- dotag(DoTag,StringType,{[Unused,binary_to_list(BBits) ++
- [(LastByte bsr Num) bsl Num]],
- byte_size(BinBits) + 1})
- end.
-
-
-%%=================================================================
-%% Encode named bits
-%%=================================================================
-
-encode_bit_string_named(C, [FirstVal | RestVal], NamedBitList, DoTag) ->
- {Len,Unused,OctetList} =
- case get_constraint(C,'SizeConstraint') of
- no ->
- ToSetPos = get_all_bitposes([FirstVal | RestVal],
- NamedBitList, []),
- BitList = make_and_set_list(lists:max(ToSetPos)+1,
- ToSetPos, 0),
- encode_bitstring(BitList);
- {_Min,Max} ->
- ToSetPos = get_all_bitposes([FirstVal | RestVal],
- NamedBitList, []),
- BitList = make_and_set_list(Max, ToSetPos, 0),
- encode_bitstring(BitList);
- Size ->
- ToSetPos = get_all_bitposes([FirstVal | RestVal],
- NamedBitList, []),
- BitList = make_and_set_list(Size, ToSetPos, 0),
- encode_bitstring(BitList)
- end,
- case DoTag of
- [] ->
- dotag_universal(?N_BIT_STRING,[Unused|OctetList],Len+1);
-% {EncLen,LenLen} = encode_length(Len+1),
-% {[?N_BIT_STRING,EncLen,Unused,OctetList],1+LenLen+Len+1};
- _ ->
- dotag(DoTag, ?N_BIT_STRING, {[Unused|OctetList],Len+1})
- end.
-
-
-%%----------------------------------------
-%% get_all_bitposes([list of named bits to set], named_bit_db, []) ->
-%% [sorted_list_of_bitpositions_to_set]
-%%----------------------------------------
-
-get_all_bitposes([{bit,ValPos}|Rest], NamedBitList, Ack) ->
- get_all_bitposes(Rest, NamedBitList, [ValPos | Ack ]);
-get_all_bitposes([Val | Rest], NamedBitList, Ack) when is_atom(Val) ->
- case lists:keyfind(Val, 1, NamedBitList) of
- {_ValName, ValPos} ->
- get_all_bitposes(Rest, NamedBitList, [ValPos | Ack]);
- _ ->
- exit({error,{asn1, {bitstring_namedbit, Val}}})
- end;
-get_all_bitposes([], _NamedBitList, Ack) ->
- lists:sort(Ack).
-
-
-%%----------------------------------------
-%% make_and_set_list(Len of list to return, [list of positions to set to 1])->
-%% returns list of Len length, with all in SetPos set.
-%% in positioning in list the first element is 0, the second 1 etc.., but
-%% Len will make a list of length Len, not Len + 1.
-%% BitList = make_and_set_list(C, ToSetPos, 0),
-%%----------------------------------------
-
-make_and_set_list(0, [], _) -> [];
-make_and_set_list(0, _, _) ->
- exit({error,{asn1,bitstring_sizeconstraint}});
-make_and_set_list(Len, [XPos|SetPos], XPos) ->
- [1 | make_and_set_list(Len - 1, SetPos, XPos + 1)];
-make_and_set_list(Len, [Pos|SetPos], XPos) ->
- [0 | make_and_set_list(Len - 1, [Pos | SetPos], XPos + 1)];
-make_and_set_list(Len, [], XPos) ->
- [0 | make_and_set_list(Len - 1, [], XPos + 1)].
-
-
-%%=================================================================
-%% Encode bit string for lists of ones and zeroes
-%%=================================================================
-encode_bit_string_bits(C, BitListVal, _NamedBitList, DoTag) when is_list(BitListVal) ->
- {Len,Unused,OctetList} =
- case get_constraint(C,'SizeConstraint') of
- no ->
- encode_bitstring(BitListVal);
- Constr={Min,_Max} when is_integer(Min) ->
- encode_constr_bit_str_bits(Constr,BitListVal,DoTag);
- {Constr={_,_},[]} ->
- %% constraint with extension mark
- encode_constr_bit_str_bits(Constr,BitListVal,DoTag);
- Constr={{_,_},{_,_}} ->%{{Min1,Max1},{Min2,Max2}}
- %% constraint with extension mark
- encode_constr_bit_str_bits(Constr,BitListVal,DoTag);
- Size ->
- case length(BitListVal) of
- BitSize when BitSize =:= Size ->
- encode_bitstring(BitListVal);
- BitSize when BitSize < Size ->
- PaddedList =
- pad_bit_list(Size-BitSize,BitListVal),
- encode_bitstring(PaddedList);
- BitSize ->
- exit({error,
- {asn1,
- {bitstring_length,
- {{was,BitSize},
- {should_be,Size}}}}})
- end
- end,
- %%add unused byte to the Len
- case DoTag of
- [] ->
- dotag_universal(?N_BIT_STRING,[Unused|OctetList],Len+1);
-% {EncLen,LenLen}=encode_length(Len+1),
-% {[?N_BIT_STRING,EncLen,Unused|OctetList],1+LenLen+Len+1};
- _ ->
- dotag(DoTag, ?N_BIT_STRING,
- {[Unused | OctetList],Len+1})
- end.
-
-
-encode_constr_bit_str_bits({{_Min1,Max1},{Min2,Max2}},BitListVal,_DoTag) ->
- BitLen = length(BitListVal),
- case BitLen of
- Len when Len > Max2 ->
- exit({error,{asn1,{bitstring_length,{{was,BitLen},
- {maximum,Max2}}}}});
- Len when Len > Max1, Len < Min2 ->
- exit({error,{asn1,{bitstring_length,{{was,BitLen},
- {not_allowed_interval,
- Max1,Min2}}}}});
- _ ->
- encode_bitstring(BitListVal)
- end;
-encode_constr_bit_str_bits({Min,Max},BitListVal,_DoTag) ->
- BitLen = length(BitListVal),
- if
- BitLen > Max ->
- exit({error,{asn1,{bitstring_length,{{was,BitLen},
- {maximum,Max}}}}});
- BitLen < Min ->
- exit({error,{asn1,{bitstring_length,{{was,BitLen},
- {minimum,Min}}}}});
- true ->
- encode_bitstring(BitListVal)
- end.
-
-
-%% returns a list of length Size + length(BitListVal), with BitListVal
-%% as the most significant elements followed by padded zero elements
-pad_bit_list(Size,BitListVal) ->
- Tail = lists:duplicate(Size,0),
- BitListVal ++ Tail.
-
-%%=================================================================
-%% Do the actual encoding
-%% ([bitlist]) -> {ListLen, UnusedBits, OctetList}
-%%=================================================================
-
-encode_bitstring([B8, B7, B6, B5, B4, B3, B2, B1 | Rest]) ->
- Val = (B8 bsl 7) bor (B7 bsl 6) bor (B6 bsl 5) bor (B5 bsl 4) bor
- (B4 bsl 3) bor (B3 bsl 2) bor (B2 bsl 1) bor B1,
- encode_bitstring(Rest, [Val], 1);
-encode_bitstring(Val) ->
- {Unused, Octet} = unused_bitlist(Val, 7, 0),
- {1, Unused, [Octet]}.
-
-encode_bitstring([B8, B7, B6, B5, B4, B3, B2, B1 | Rest], Ack, Len) ->
- Val = (B8 bsl 7) bor (B7 bsl 6) bor (B6 bsl 5) bor (B5 bsl 4) bor
- (B4 bsl 3) bor (B3 bsl 2) bor (B2 bsl 1) bor B1,
- encode_bitstring(Rest, [Ack | [Val]], Len + 1);
-%%even multiple of 8 bits..
-encode_bitstring([], Ack, Len) ->
- {Len, 0, Ack};
-%% unused bits in last octet
-encode_bitstring(Rest, Ack, Len) ->
-% io:format("uneven ~w ~w ~w~n",[Rest, Ack, Len]),
- {Unused, Val} = unused_bitlist(Rest, 7, 0),
- {Len + 1, Unused, [Ack | [Val]]}.
-
-%%%%%%%%%%%%%%%%%%
-%% unused_bitlist([list of ones and zeros <= 7], 7, []) ->
-%% {Unused bits, Last octet with bits moved to right}
-unused_bitlist([], Trail, Ack) ->
- {Trail + 1, Ack};
-unused_bitlist([Bit | Rest], Trail, Ack) ->
-%% io:format("trail Bit: ~w Rest: ~w Trail: ~w Ack:~w~n",[Bit, Rest, Trail, Ack]),
- unused_bitlist(Rest, Trail - 1, (Bit bsl Trail) bor Ack).
-
-
-%%============================================================================
-%% decode bitstring value
-%% (Buffer, Range, NamedNumberList, HasTag, TotalLen) -> {Integer, Remain, RemovedBytes}
-%%============================================================================
-
-decode_compact_bit_string(Buffer, Range, NamedNumberList, Tags, LenIn, OptOrMand) ->
-% NewTags = new_tags(HasTag,#tag{class=?UNIVERSAL,number=?N_BIT_STRING}),
- decode_restricted_string(Buffer, Range, ?N_BIT_STRING, Tags, LenIn,
- NamedNumberList, OptOrMand,bin).
-
-decode_bit_string(Buffer, Range, NamedNumberList, Tags, LenIn, OptOrMand) ->
-% NewTags = new_tags(HasTag,#tag{class=?UNIVERSAL,number=?N_BIT_STRING}),
- decode_restricted_string(Buffer, Range, ?N_BIT_STRING, Tags, LenIn,
- NamedNumberList, OptOrMand,old).
-
-
-decode_bit_string2(1,<<0 ,Buffer/binary>>,_NamedNumberList,RemovedBytes,BinOrOld) ->
- case BinOrOld of
- bin ->
- {{0,<<>>},Buffer,RemovedBytes};
- _ ->
- {[], Buffer, RemovedBytes}
- end;
-decode_bit_string2(Len,<<Unused,Buffer/binary>>,NamedNumberList,
- RemovedBytes,BinOrOld) ->
- L = Len - 1,
- <<Bits:L/binary,BufferTail/binary>> = Buffer,
- case NamedNumberList of
- [] ->
- case BinOrOld of
- bin ->
- {{Unused,Bits},BufferTail,RemovedBytes};
- _ ->
- BitString = decode_bitstring2(L, Unused, Buffer),
- {BitString,BufferTail, RemovedBytes}
- end;
- _ ->
- BitString = decode_bitstring2(L, Unused, Buffer),
- {decode_bitstring_NNL(BitString,NamedNumberList),
- BufferTail,
- RemovedBytes}
- end.
-
-%%----------------------------------------
-%% Decode the in buffer to bits
-%%----------------------------------------
-decode_bitstring2(1,Unused,<<B7:1,B6:1,B5:1,B4:1,B3:1,B2:1,B1:1,B0:1,_/binary>>) ->
- lists:sublist([B7,B6,B5,B4,B3,B2,B1,B0],8-Unused);
-decode_bitstring2(Len, Unused,
- <<B7:1,B6:1,B5:1,B4:1,B3:1,B2:1,B1:1,B0:1,Buffer/binary>>) ->
- [B7, B6, B5, B4, B3, B2, B1, B0 |
- decode_bitstring2(Len - 1, Unused, Buffer)].
-
-%%decode_bitstring2(1, Unused, Buffer) ->
-%% make_bits_of_int(hd(Buffer), 128, 8-Unused);
-%%decode_bitstring2(Len, Unused, [BitVal | Buffer]) ->
-%% [B7, B6, B5, B4, B3, B2, B1, B0] = make_bits_of_int(BitVal, 128, 8),
-%% [B7, B6, B5, B4, B3, B2, B1, B0 |
-%% decode_bitstring2(Len - 1, Unused, Buffer)].
-
-
-%%make_bits_of_int(_, _, 0) ->
-%% [];
-%%make_bits_of_int(BitVal, MaskVal, Unused) when Unused > 0 ->
-%% X = case MaskVal band BitVal of
-%% 0 -> 0 ;
-%% _ -> 1
-%% end,
-%% [X | make_bits_of_int(BitVal, MaskVal bsr 1, Unused - 1)].
-
-
-
-%%----------------------------------------
-%% Decode the bitlist to names
-%%----------------------------------------
-
-decode_bitstring_NNL(BitList,NamedNumberList) ->
- decode_bitstring_NNL(BitList,NamedNumberList,0,[]).
-
-
-decode_bitstring_NNL([],_,_No,Result) ->
- lists:reverse(Result);
-
-decode_bitstring_NNL([B|BitList],[{Name,No}|NamedNumberList],No,Result) ->
- if
- B =:= 0 ->
- decode_bitstring_NNL(BitList,NamedNumberList,No+1,Result);
- true ->
- decode_bitstring_NNL(BitList,NamedNumberList,No+1,[Name|Result])
- end;
-decode_bitstring_NNL([1|BitList],NamedNumberList,No,Result) ->
- decode_bitstring_NNL(BitList,NamedNumberList,No+1,[{bit,No}|Result]);
-decode_bitstring_NNL([0|BitList],NamedNumberList,No,Result) ->
- decode_bitstring_NNL(BitList,NamedNumberList,No+1,Result).
-
-
-%%============================================================================
-%% Octet string, ITU_T X.690 Chapter 8.7
-%%
-%% encode octet string
-%% The OctetList must be a flat list of integers in the range 0..255
-%% the function does not check this because it takes to much time
-%%============================================================================
-encode_octet_string(_C, OctetList, []) when is_binary(OctetList) ->
- dotag_universal(?N_OCTET_STRING,OctetList,byte_size(OctetList));
-encode_octet_string(_C, OctetList, DoTag) when is_binary(OctetList) ->
- dotag(DoTag, ?N_OCTET_STRING, {OctetList,byte_size(OctetList)});
-encode_octet_string(_C, OctetList, DoTag) when is_list(OctetList) ->
- case length(OctetList) of
- Len when DoTag =:= [] ->
- dotag_universal(?N_OCTET_STRING,OctetList,Len);
- Len ->
- dotag(DoTag, ?N_OCTET_STRING, {OctetList,Len})
- end;
-%% encode_octet_string(C, OctetList, DoTag) when is_list(OctetList) ->
-%% dotag(DoTag, ?N_OCTET_STRING, {OctetList,length(OctetList)});
-encode_octet_string(C, {Name,OctetList}, DoTag) when is_atom(Name) ->
- encode_octet_string(C, OctetList, DoTag).
-
-
-%%============================================================================
-%% decode octet string
-%% (Buffer, Range, HasTag, TotalLen) -> {String, Remain, RemovedBytes}
-%%
-%% Octet string is decoded as a restricted string
-%%============================================================================
-decode_octet_string(Buffer, Range, Tags, TotalLen, OptOrMand) ->
-%% NewTags = new_tags(HasTag,#tag{class=?UNIVERSAL,number=?N_OCTET_STRING}),
- decode_restricted_string(Buffer, Range, ?N_OCTET_STRING,
- Tags, TotalLen, [], OptOrMand,old).
-
-%%============================================================================
-%% Null value, ITU_T X.690 Chapter 8.8
-%%
-%% encode NULL value
-%%============================================================================
-
-encode_null(_, []) ->
- {[?N_NULL,0],2};
-encode_null(_, DoTag) ->
- dotag(DoTag, ?N_NULL, {[],0}).
-
-%%============================================================================
-%% decode NULL value
-%% (Buffer, HasTag, TotalLen) -> {NULL, Remain, RemovedBytes}
-%%============================================================================
-decode_null(Buffer, Tags, OptOrMand) ->
- NewTags = new_tags(Tags,#tag{class=?UNIVERSAL,number=?N_NULL}),
- decode_null_notag(Buffer, NewTags, OptOrMand).
-
-decode_null_notag(Buffer, Tags, OptOrMand) ->
- {RestTags, {FormLen, Buffer0, Rb0}} =
- check_tags_i(Tags, Buffer, OptOrMand),
-
- case FormLen of
- {?CONSTRUCTED,Len} ->
- {_Buffer00,RestBytes} = split_list(Buffer0,Len),
- {Val01, Buffer01, Rb01} = decode_null_notag(Buffer0, RestTags,
- OptOrMand),
- {Buffer02, Rb02} = restbytes2(RestBytes,Buffer01,noext),
- {Val01, Buffer02, Rb0+Rb01+Rb02};
- {_,0} ->
- {'NULL', Buffer0, Rb0};
- {_,Len} ->
- exit({error,{asn1,{invalid_length,'NULL',Len}}})
- end.
-
-
-%%============================================================================
-%% Object identifier, ITU_T X.690 Chapter 8.19
-%%
-%% encode Object Identifier value
-%%============================================================================
-
-encode_object_identifier({Name,Val}, DoTag) when is_atom(Name) ->
- encode_object_identifier(Val, DoTag);
-encode_object_identifier(Val, []) ->
- {EncVal,Len} = e_object_identifier(Val),
- dotag_universal(?N_OBJECT_IDENTIFIER,EncVal,Len);
-encode_object_identifier(Val, DoTag) ->
- dotag(DoTag, ?N_OBJECT_IDENTIFIER, e_object_identifier(Val)).
-
-e_object_identifier({'OBJECT IDENTIFIER', V}) ->
- e_object_identifier(V);
-e_object_identifier({Cname, V}) when is_atom(Cname), is_tuple(V) ->
- e_object_identifier(tuple_to_list(V));
-e_object_identifier({Cname, V}) when is_atom(Cname), is_list(V) ->
- e_object_identifier(V);
-e_object_identifier(V) when is_tuple(V) ->
- e_object_identifier(tuple_to_list(V));
-
-%%%%%%%%%%%%%%%
-%% e_object_identifier([List of Obect Identifiers]) ->
-%% {[Encoded Octetlist of ObjIds], IntLength}
-%%
-e_object_identifier([E1, E2 | Tail]) ->
- Head = 40*E1 + E2, % wow!
- {H,Lh} = mk_object_val(Head),
- {R,Lr} = enc_obj_id_tail(Tail, [], 0),
- {[H|R], Lh+Lr}.
-
-enc_obj_id_tail([], Ack, Len) ->
- {lists:reverse(Ack), Len};
-enc_obj_id_tail([H|T], Ack, Len) ->
- {B, L} = mk_object_val(H),
- enc_obj_id_tail(T, [B|Ack], Len+L).
+encode_integer_neg(-1, L=[B1|_T]) when B1 > 127 ->
+ L;
+encode_integer_neg(N, Acc) ->
+ encode_integer_neg(N bsr 8, [N band 16#ff|Acc]).
%%%%%%%%%%%
@@ -1643,476 +440,6 @@ mk_object_val(Val, Ack, Len) ->
mk_object_val(Val bsr 7, [((Val band 127) bor 128) | Ack], Len + 1).
-
-%%============================================================================
-%% decode Object Identifier value
-%% (Buffer, HasTag, TotalLen) -> {{ObjId}, Remain, RemovedBytes}
-%%============================================================================
-
-decode_object_identifier(Buffer, Tags, OptOrMand) ->
- NewTags = new_tags(Tags,#tag{class=?UNIVERSAL,
- number=?N_OBJECT_IDENTIFIER}),
- decode_object_identifier_notag(Buffer, NewTags, OptOrMand).
-
-decode_object_identifier_notag(Buffer, Tags, OptOrMand) ->
- {RestTags, {FormLen, Buffer0, Rb0}} =
- check_tags_i(Tags, Buffer, OptOrMand),
-
- case FormLen of
- {?CONSTRUCTED,Len} ->
- {Buffer00,RestBytes} = split_list(Buffer0,Len),
- {Val01, Buffer01, Rb01} =
- decode_object_identifier_notag(Buffer00,
- RestTags, OptOrMand),
- {Buffer02, Rb02} = restbytes2(RestBytes,Buffer01,noext),
- {Val01, Buffer02, Rb0+Rb01+Rb02};
- {_,Len} ->
- {[AddedObjVal|ObjVals],Buffer01} =
- dec_subidentifiers(Buffer0,0,[],Len),
- {Val1, Val2} = if
- AddedObjVal < 40 ->
- {0, AddedObjVal};
- AddedObjVal < 80 ->
- {1, AddedObjVal - 40};
- true ->
- {2, AddedObjVal - 80}
- end,
- {list_to_tuple([Val1, Val2 | ObjVals]), Buffer01,
- Rb0+Len}
- end.
-
-dec_subidentifiers(Buffer,_Av,Al,0) ->
- {lists:reverse(Al),Buffer};
-dec_subidentifiers(<<1:1,H:7,T/binary>>,Av,Al,Len) ->
- dec_subidentifiers(T,(Av bsl 7) + H,Al,Len-1);
-dec_subidentifiers(<<H,T/binary>>,Av,Al,Len) ->
- dec_subidentifiers(T,0,[((Av bsl 7) + H)|Al],Len-1).
-
-%%============================================================================
-%% RELATIVE-OID, ITU_T X.690 Chapter 8.20
-%%
-%% encode Relative Object Identifier
-%%============================================================================
-encode_relative_oid({Name,Val},TagIn) when is_atom(Name) ->
- encode_relative_oid(Val,TagIn);
-encode_relative_oid(Val,TagIn) when is_tuple(Val) ->
- encode_relative_oid(tuple_to_list(Val),TagIn);
-encode_relative_oid(Val,[]) ->
- {EncVal,Len} = enc_relative_oid(Val),
- dotag_universal(?'N_RELATIVE-OID',EncVal,Len);
-encode_relative_oid(Val, DoTag) ->
- dotag(DoTag, ?'N_RELATIVE-OID', enc_relative_oid(Val)).
-
-enc_relative_oid(Val) ->
- lists:mapfoldl(fun(X,AccIn) ->
- {SO,L}=mk_object_val(X),
- {SO,L+AccIn}
- end
- ,0,Val).
-
-%%============================================================================
-%% decode Relative Object Identifier value
-%% (Buffer, HasTag, TotalLen) -> {{ObjId}, Remain, RemovedBytes}
-%%============================================================================
-decode_relative_oid(Buffer, Tags, OptOrMand) ->
- NewTags = new_tags(Tags,#tag{class=?UNIVERSAL,
- number=?'N_RELATIVE-OID'}),
- decode_relative_oid_notag(Buffer, NewTags, OptOrMand).
-
-decode_relative_oid_notag(Buffer, Tags, OptOrMand) ->
- {_RestTags, {_FormLen={_,Len}, Buffer0, Rb0}} =
- check_tags_i(Tags, Buffer, OptOrMand),
- {ObjVals,Buffer01} =
- dec_subidentifiers(Buffer0,0,[],Len),
- {list_to_tuple(ObjVals), Buffer01, Rb0+Len}.
-
-%%============================================================================
-%% Restricted character string types, ITU_T X.690 Chapter 8.21
-%%
-%% encode Numeric Printable Teletex Videotex Visible IA5 Graphic General strings
-%%============================================================================
-encode_restricted_string(_C, OctetList, StringType, [])
- when is_binary(OctetList) ->
- dotag_universal(StringType, OctetList, byte_size(OctetList));
-encode_restricted_string(_C, OctetList, StringType, DoTag)
- when is_binary(OctetList) ->
- dotag(DoTag, StringType, {OctetList, byte_size(OctetList)});
-encode_restricted_string(_C, OctetList, StringType, [])
- when is_list(OctetList) ->
- dotag_universal(StringType, OctetList, length(OctetList));
-encode_restricted_string(_C, OctetList, StringType, DoTag)
- when is_list(OctetList) ->
- dotag(DoTag, StringType, {OctetList, length(OctetList)});
-encode_restricted_string(C,{Name,OctetL},StringType,DoTag) when is_atom(Name) ->
- encode_restricted_string(C, OctetL, StringType, DoTag).
-
-%%============================================================================
-%% decode Numeric Printable Teletex Videotex Visible IA5 Graphic General strings
-%% (Buffer, Range, StringType, HasTag, TotalLen) ->
-%% {String, Remain, RemovedBytes}
-%%============================================================================
-
-decode_restricted_string(Buffer, Range, StringType, Tags, LenIn, OptOrMand) ->
- {Val,Buffer2,Rb} =
- decode_restricted_string_tag(Buffer, Range, StringType, Tags,
- LenIn, [], OptOrMand,old),
- {check_and_convert_restricted_string(Val,StringType,Range,[],old),
- Buffer2,Rb}.
-
-
-decode_restricted_string(Buffer, Range, StringType, Tags, LenIn, NNList, OptOrMand, BinOrOld ) ->
- {Val,Buffer2,Rb} =
- decode_restricted_string_tag(Buffer, Range, StringType, Tags,
- LenIn, NNList, OptOrMand, BinOrOld),
- {check_and_convert_restricted_string(Val,StringType,Range,NNList,BinOrOld),
- Buffer2,Rb}.
-
-decode_restricted_string_tag(Buffer, Range, StringType, TagsIn, LenIn, NNList, OptOrMand, BinOrOld ) ->
- NewTags = new_tags(TagsIn, #tag{class=?UNIVERSAL,number=StringType}),
- decode_restricted_string_notag(Buffer, Range, StringType, NewTags,
- LenIn, NNList, OptOrMand, BinOrOld).
-
-
-check_and_convert_restricted_string(Val,StringType,Range,NamedNumberList,_BinOrOld) ->
- {StrLen,NewVal} = case StringType of
- ?N_BIT_STRING when NamedNumberList =/= [] ->
- {no_check,Val};
- ?N_BIT_STRING when is_list(Val) ->
- {length(Val),Val};
- ?N_BIT_STRING when is_tuple(Val) ->
- {(size(element(2,Val))*8) - element(1,Val),Val};
- _ when is_binary(Val) ->
- {byte_size(Val),binary_to_list(Val)};
- _ when is_list(Val) ->
- {length(Val), Val}
- end,
- case Range of
- _ when StrLen =:= no_check ->
- NewVal;
- [] -> % No length constraint
- NewVal;
- {Lb,Ub} when StrLen >= Lb, Ub >= StrLen -> % variable length constraint
- NewVal;
- {{Lb,_Ub},[]} when StrLen >= Lb ->
- NewVal;
- {{Lb,_Ub},_Ext=[MinExt|_]} when StrLen >= Lb; StrLen >= MinExt ->
- NewVal;
- {{Lb1,Ub1},{Lb2,Ub2}} when StrLen >= Lb1, StrLen =< Ub1;
- StrLen =< Ub2, StrLen >= Lb2 ->
- NewVal;
- StrLen -> % fixed length constraint
- NewVal;
- {_,_} ->
- exit({error,{asn1,{length,Range,Val}}});
- _Len when is_integer(_Len) ->
- exit({error,{asn1,{length,Range,Val}}});
- _ -> % some strange constraint that we don't support yet
- NewVal
- end.
-
-%%=============================================================================
-%% Common routines for several string types including bit string
-%% handles indefinite length
-%%=============================================================================
-
-
-decode_restricted_string_notag(Buffer, _Range, StringType, TagsIn,
- _, NamedNumberList, OptOrMand, BinOrOld) ->
- %%-----------------------------------------------------------
- %% Get inner (the implicit tag or no tag) and
- %% outer (the explicit tag) lengths.
- %%-----------------------------------------------------------
- {RestTags, {FormLength={_,_Len01}, Buffer0, Rb0}} =
- check_tags_i(TagsIn, Buffer, OptOrMand),
-
- case FormLength of
- {?CONSTRUCTED,Len} ->
- {Buffer00, RestBytes} = split_list(Buffer0,Len),
- {Val01, Buffer01, Rb01} =
- decode_restricted_parts(Buffer00, RestBytes, [], StringType,
- RestTags,
- Len, NamedNumberList,
- OptOrMand,
- BinOrOld, 0, []),
- {Val01, Buffer01, Rb0+Rb01};
- {_, Len} ->
- {Val01, Buffer01, Rb01} =
- decode_restricted(Buffer0, Len, StringType,
- NamedNumberList, BinOrOld),
- {Val01, Buffer01, Rb0+Rb01}
- end.
-
-
-decode_restricted_parts(Buffer, RestBytes, [], StringType, RestTags, Len, NNList,
- OptOrMand, BinOrOld, AccRb, AccVal) ->
- DecodeFun = case RestTags of
- [] -> fun decode_restricted_string_tag/8;
- _ -> fun decode_restricted_string_notag/8
- end,
- {Val, Buffer1, Rb} =
- DecodeFun(Buffer, [], StringType, RestTags,
- no_length, NNList,
- OptOrMand, BinOrOld),
- {Buffer2,More} =
- case Buffer1 of
- <<0,0,Buffer10/binary>> when Len == indefinite ->
- {Buffer10,false};
- <<>> ->
- {RestBytes,false};
- _ ->
- {Buffer1,true}
- end,
- {NewVal, NewRb} =
- case StringType of
- ?N_BIT_STRING when BinOrOld == bin ->
- {concat_bit_binaries(AccVal, Val), AccRb+Rb};
- _ when is_binary(Val),is_binary(AccVal) ->
- {<<AccVal/binary,Val/binary>>,AccRb+Rb};
- _ when is_binary(Val), AccVal =:= [] ->
- {Val,AccRb+Rb};
- _ ->
- {AccVal++Val, AccRb+Rb}
- end,
- case More of
- false ->
- {NewVal, Buffer2, NewRb};
- true ->
- decode_restricted_parts(Buffer2, RestBytes, [], StringType, RestTags, Len, NNList,
- OptOrMand, BinOrOld, NewRb, NewVal)
- end.
-
-
-
-decode_restricted(Buffer, InnerLen, StringType, NamedNumberList,BinOrOld) ->
-
- case StringType of
- ?N_BIT_STRING ->
- decode_bit_string2(InnerLen,Buffer,NamedNumberList,InnerLen,BinOrOld);
-
- ?N_UniversalString ->
- <<PreBuff:InnerLen/binary,RestBuff/binary>> = Buffer,%%added for binary
- UniString = mk_universal_string(binary_to_list(PreBuff)),
- {UniString,RestBuff,InnerLen};
- ?N_BMPString ->
- <<PreBuff:InnerLen/binary,RestBuff/binary>> = Buffer,%%added for binary
- BMP = mk_BMP_string(binary_to_list(PreBuff)),
- {BMP,RestBuff,InnerLen};
- _ ->
- <<PreBuff:InnerLen/binary,RestBuff/binary>> = Buffer,%%added for binary
- {PreBuff, RestBuff, InnerLen}
- end.
-
-
-
-%%============================================================================
-%% encode Universal string
-%%============================================================================
-
-encode_universal_string(C, {Name, Universal}, DoTag) when is_atom(Name) ->
- encode_universal_string(C, Universal, DoTag);
-encode_universal_string(_C, Universal, []) ->
- OctetList = mk_uni_list(Universal),
- dotag_universal(?N_UniversalString,OctetList,length(OctetList));
-encode_universal_string(_C, Universal, DoTag) ->
- OctetList = mk_uni_list(Universal),
- dotag(DoTag, ?N_UniversalString, {OctetList,length(OctetList)}).
-
-mk_uni_list(In) ->
- mk_uni_list(In,[]).
-
-mk_uni_list([],List) ->
- lists:reverse(List);
-mk_uni_list([{A,B,C,D}|T],List) ->
- mk_uni_list(T,[D,C,B,A|List]);
-mk_uni_list([H|T],List) ->
- mk_uni_list(T,[H,0,0,0|List]).
-
-%%===========================================================================
-%% decode Universal strings
-%% (Buffer, Range, StringType, HasTag, LenIn) ->
-%% {String, Remain, RemovedBytes}
-%%===========================================================================
-
-decode_universal_string(Buffer, Range, Tags, LenIn, OptOrMand) ->
-% NewTags = new_tags(HasTag, #tag{class=?UNIVERSAL,number=?N_UniversalString}),
- decode_restricted_string(Buffer, Range, ?N_UniversalString,
- Tags, LenIn, [], OptOrMand,old).
-
-
-mk_universal_string(In) ->
- mk_universal_string(In,[]).
-
-mk_universal_string([],Acc) ->
- lists:reverse(Acc);
-mk_universal_string([0,0,0,D|T],Acc) ->
- mk_universal_string(T,[D|Acc]);
-mk_universal_string([A,B,C,D|T],Acc) ->
- mk_universal_string(T,[{A,B,C,D}|Acc]).
-
-
-%%============================================================================
-%% encode UTF8 string
-%%============================================================================
-encode_UTF8_string(_,UTF8String,[]) when is_binary(UTF8String) ->
- dotag_universal(?N_UTF8String,UTF8String,byte_size(UTF8String));
-encode_UTF8_string(_,UTF8String,DoTag) when is_binary(UTF8String) ->
- dotag(DoTag,?N_UTF8String,{UTF8String,byte_size(UTF8String)});
-encode_UTF8_string(_,UTF8String,[]) ->
- dotag_universal(?N_UTF8String,UTF8String,length(UTF8String));
-encode_UTF8_string(_,UTF8String,DoTag) ->
- dotag(DoTag,?N_UTF8String,{UTF8String,length(UTF8String)}).
-
-%%============================================================================
-%% decode UTF8 string
-%%============================================================================
-
-decode_UTF8_string(Buffer, Tags, OptOrMand) ->
- NewTags = new_tags(Tags, #tag{class=?UNIVERSAL,number=?N_UTF8String}),
- decode_UTF8_string_notag(Buffer, NewTags, OptOrMand).
-
-decode_UTF8_string_notag(Buffer, Tags, OptOrMand) ->
- {RestTags, {FormLen, Buffer0, Rb0}} =
- check_tags_i(Tags, Buffer, OptOrMand),
- case FormLen of
- {?CONSTRUCTED,Len} ->
- %% an UTF8String may be encoded as a constructed type
- {Buffer00,RestBytes} = split_list(Buffer0,Len),
- {Val01, Buffer01, Rb01} =
- decode_UTF8_string_notag(Buffer00,RestTags,OptOrMand),
- {Buffer02, Rb02} = restbytes2(RestBytes,Buffer01,noext),
- {Val01, Buffer02, Rb0+Rb01+Rb02};
- {_,Len} ->
- <<Result:Len/binary,RestBuff/binary>> = Buffer0,
- {Result,RestBuff,Rb0 + Len}
- end.
-
-
-%%============================================================================
-%% encode BMP string
-%%============================================================================
-
-encode_BMP_string(C, {Name,BMPString}, DoTag) when is_atom(Name) ->
- encode_BMP_string(C, BMPString, DoTag);
-encode_BMP_string(_C, BMPString, []) ->
- OctetList = mk_BMP_list(BMPString),
- dotag_universal(?N_BMPString,OctetList,length(OctetList));
-encode_BMP_string(_C, BMPString, DoTag) ->
- OctetList = mk_BMP_list(BMPString),
- dotag(DoTag, ?N_BMPString, {OctetList,length(OctetList)}).
-
-mk_BMP_list(In) ->
- mk_BMP_list(In,[]).
-
-mk_BMP_list([],List) ->
- lists:reverse(List);
-mk_BMP_list([{0,0,C,D}|T],List) ->
- mk_BMP_list(T,[D,C|List]);
-mk_BMP_list([H|T],List) ->
- mk_BMP_list(T,[H,0|List]).
-
-%%============================================================================
-%% decode (OctetList, Range(ignored), tag|notag) -> {ValList, RestList}
-%% (Buffer, Range, StringType, HasTag, TotalLen) ->
-%% {String, Remain, RemovedBytes}
-%%============================================================================
-decode_BMP_string(Buffer, Range, Tags, LenIn, OptOrMand) ->
-% NewTags = new_tags(HasTag, #tag{class=?UNIVERSAL,number=?N_BMPString}),
- decode_restricted_string(Buffer, Range, ?N_BMPString,
- Tags, LenIn, [], OptOrMand,old).
-
-mk_BMP_string(In) ->
- mk_BMP_string(In,[]).
-
-mk_BMP_string([],US) ->
- lists:reverse(US);
-mk_BMP_string([0,B|T],US) ->
- mk_BMP_string(T,[B|US]);
-mk_BMP_string([C,D|T],US) ->
- mk_BMP_string(T,[{0,0,C,D}|US]).
-
-
-%%============================================================================
-%% Generalized time, ITU_T X.680 Chapter 39
-%%
-%% encode Generalized time
-%%============================================================================
-
-encode_generalized_time(C, {Name,OctetList}, DoTag) when is_atom(Name) ->
- encode_generalized_time(C, OctetList, DoTag);
-encode_generalized_time(_C, OctetList, []) ->
- dotag_universal(?N_GeneralizedTime,OctetList,length(OctetList));
-encode_generalized_time(_C, OctetList, DoTag) ->
- dotag(DoTag, ?N_GeneralizedTime, {OctetList,length(OctetList)}).
-
-%%============================================================================
-%% decode Generalized time
-%% (Buffer, Range, HasTag, TotalLen) -> {String, Remain, RemovedBytes}
-%%============================================================================
-
-decode_generalized_time(Buffer, Range, Tags, TotalLen, OptOrMand) ->
- NewTags = new_tags(Tags,#tag{class=?UNIVERSAL,
- number=?N_GeneralizedTime}),
- decode_generalized_time_notag(Buffer, Range, NewTags, TotalLen, OptOrMand).
-
-decode_generalized_time_notag(Buffer, Range, Tags, TotalLen, OptOrMand) ->
- {RestTags, {FormLen, Buffer0, Rb0}} =
- check_tags_i(Tags, Buffer, OptOrMand),
-
- case FormLen of
- {?CONSTRUCTED,Len} ->
- {Buffer00,RestBytes} = split_list(Buffer0,Len),
- {Val01, Buffer01, Rb01} =
- decode_generalized_time_notag(Buffer00, Range,
- RestTags, TotalLen,
- OptOrMand),
- {Buffer02, Rb02} = restbytes2(RestBytes,Buffer01,noext),
- {Val01, Buffer02, Rb0+Rb01+Rb02};
- {_,Len} ->
- <<PreBuff:Len/binary,RestBuff/binary>> = Buffer0,
- {binary_to_list(PreBuff), RestBuff, Rb0+Len}
- end.
-
-%%============================================================================
-%% Universal time, ITU_T X.680 Chapter 40
-%%
-%% encode UTC time
-%%============================================================================
-
-encode_utc_time(C, {Name,OctetList}, DoTag) when is_atom(Name) ->
- encode_utc_time(C, OctetList, DoTag);
-encode_utc_time(_C, OctetList, []) ->
- dotag_universal(?N_UTCTime, OctetList,length(OctetList));
-encode_utc_time(_C, OctetList, DoTag) ->
- dotag(DoTag, ?N_UTCTime, {OctetList,length(OctetList)}).
-
-%%============================================================================
-%% decode UTC time
-%% (Buffer, Range, HasTag, TotalLen) -> {String, Remain, RemovedBytes}
-%%============================================================================
-
-decode_utc_time(Buffer, Range, Tags, TotalLen, OptOrMand) ->
- NewTags = new_tags(Tags,#tag{class=?UNIVERSAL,number=?N_UTCTime}),
- decode_utc_time_notag(Buffer, Range, NewTags, TotalLen, OptOrMand).
-
-decode_utc_time_notag(Buffer, Range, Tags, TotalLen, OptOrMand) ->
- {RestTags, {FormLen, Buffer0, Rb0}} =
- check_tags_i(Tags, Buffer, OptOrMand),
-
- case FormLen of
- {?CONSTRUCTED,Len} ->
- {Buffer00,RestBytes} = split_list(Buffer0,Len),
- {Val01, Buffer01, Rb01} =
- decode_utc_time_notag(Buffer00, Range,
- RestTags, TotalLen,
- OptOrMand),
- {Buffer02, Rb02} = restbytes2(RestBytes,Buffer01,noext),
- {Val01, Buffer02, Rb0+Rb01+Rb02};
- {_,Len} ->
- <<PreBuff:Len/binary,RestBuff/binary>> = Buffer0,
- {binary_to_list(PreBuff), RestBuff, Rb0+Len}
- end.
-
-
%%============================================================================
%% Length handling
%%
@@ -2122,8 +449,6 @@ decode_utc_time_notag(Buffer, Range, Tags, TotalLen, OptOrMand) ->
%% [<127]| [128 + Int (<127),OctetList] | [16#80]
%%============================================================================
-encode_length(indefinite) ->
- {[16#80],1}; % 128
encode_length(L) when L =< 16#7F ->
{[L],1};
encode_length(L) ->
@@ -2162,242 +487,12 @@ decode_length(<<1:1,LL:7,T/binary>>) ->
<<Length:LL/unit:8,Rest/binary>> = T,
{{Length,Rest}, LL+1}.
-%decode_length([128 | T]) ->
-% {{indefinite, T},1};
-%decode_length([H | T]) when H =< 127 ->
-% {{H, T},1};
-%decode_length([H | T]) ->
-% dec_long_length(H band 16#7F, T, 0, 1).
-
-
-%%dec_long_length(0, Buffer, Acc, Len) ->
-%% {{Acc, Buffer},Len};
-%%dec_long_length(Bytes, [H | T], Acc, Len) ->
-%% dec_long_length(Bytes - 1, T, (Acc bsl 8) + H, Len+1).
-
-%%===========================================================================
-%% Decode tag and length
-%%
-%% decode_tag_and_length(Buffer) -> {Tag, Len, RemainingBuffer, RemovedBytes}
-%%
-%%===========================================================================
-
-decode_tag_and_length(Buffer) ->
- {Tag, Buffer2, RemBytesTag} = decode_tag(Buffer),
- {{Len, Buffer3}, RemBytesLen} = decode_length(Buffer2),
- {Tag, Len, Buffer3, RemBytesTag+RemBytesLen}.
-
-
-%%============================================================================
-%% Check if valid tag
-%%
-%% check_if_valid_tag(Tag, List_of_valid_tags, OptOrMand) -> name of the tag
-%%============================================================================
-
-check_if_valid_tag(<<0,0,_/binary>>,_,_) ->
- asn1_EOC;
-check_if_valid_tag(<<>>, _, OptOrMand) ->
- check_if_valid_tag2_error([], OptOrMand);
-check_if_valid_tag(Bytes, ListOfTags, OptOrMand) when is_binary(Bytes) ->
- {Tag, _, _} = decode_tag(Bytes),
- check_if_valid_tag(Tag, ListOfTags, OptOrMand);
-
-%% This alternative should be removed in the near future
-%% Bytes as input should be the only necessary call
-check_if_valid_tag(Tag, ListOfTags, OptOrMand) ->
- {Class, _Form, TagNo} = Tag,
- C = code_class(Class),
- T = case C of
- 'UNIVERSAL' ->
- code_type(TagNo);
- _ ->
- TagNo
- end,
- check_if_valid_tag2({C,T}, ListOfTags, Tag, OptOrMand).
-
-check_if_valid_tag2(_Class_TagNo, [], Tag, MandOrOpt) ->
- check_if_valid_tag2_error(Tag,MandOrOpt);
-check_if_valid_tag2(Class_TagNo, [{TagName,TagList}|T], Tag, OptOrMand) ->
- case check_if_valid_tag_loop(Class_TagNo, TagList) of
- true ->
- TagName;
- false ->
- check_if_valid_tag2(Class_TagNo, T, Tag, OptOrMand)
- end.
-
--spec check_if_valid_tag2_error(term(), atom()) -> no_return().
-
-check_if_valid_tag2_error(Tag,mandatory) ->
- exit({error,{asn1,{invalid_tag,Tag}}});
-check_if_valid_tag2_error(Tag,_) ->
- exit({error,{asn1,{no_optional_tag,Tag}}}).
-
-check_if_valid_tag_loop(_Class_TagNo,[]) ->
- false;
-check_if_valid_tag_loop(Class_TagNo,[H|T]) ->
- %% It is not possible to distinguish between SEQUENCE OF and SEQUENCE, and
- %% between SET OF and SET because both are coded as 16 and 17, respectively.
- H_without_OF = case H of
- {C, 'SEQUENCE OF'} ->
- {C, 'SEQUENCE'};
- {C, 'SET OF'} ->
- {C, 'SET'};
- Else ->
- Else
- end,
-
- case H_without_OF of
- Class_TagNo ->
- true;
- {_,_} ->
- check_if_valid_tag_loop(Class_TagNo,T);
- _ ->
- check_if_valid_tag_loop(Class_TagNo,H),
- check_if_valid_tag_loop(Class_TagNo,T)
- end.
-
-
-
-code_class(0) -> 'UNIVERSAL';
-code_class(16#40) -> 'APPLICATION';
-code_class(16#80) -> 'CONTEXT';
-code_class(16#C0) -> 'PRIVATE'.
-
-
-code_type(1) -> 'BOOLEAN';
-code_type(2) -> 'INTEGER';
-code_type(3) -> 'BIT STRING';
-code_type(4) -> 'OCTET STRING';
-code_type(5) -> 'NULL';
-code_type(6) -> 'OBJECT IDENTIFIER';
-code_type(7) -> 'ObjectDescriptor';
-code_type(8) -> 'EXTERNAL';
-code_type(9) -> 'REAL';
-code_type(10) -> 'ENUMERATED';
-code_type(11) -> 'EMBEDDED_PDV';
-code_type(16) -> 'SEQUENCE';
-% code_type(16) -> 'SEQUENCE OF';
-code_type(17) -> 'SET';
-% code_type(17) -> 'SET OF';
-code_type(18) -> 'NumericString';
-code_type(19) -> 'PrintableString';
-code_type(20) -> 'TeletexString';
-code_type(21) -> 'VideotexString';
-code_type(22) -> 'IA5String';
-code_type(23) -> 'UTCTime';
-code_type(24) -> 'GeneralizedTime';
-code_type(25) -> 'GraphicString';
-code_type(26) -> 'VisibleString';
-code_type(27) -> 'GeneralString';
-code_type(28) -> 'UniversalString';
-code_type(30) -> 'BMPString';
-code_type(Else) -> exit({error,{asn1,{unrecognized_type,Else}}}).
-
-%%-------------------------------------------------------------------------
-%% decoding of the components of a SET
-%%-------------------------------------------------------------------------
-
-decode_set(Rb, indefinite, <<0,0,Bytes/binary>>, _OptOrMand, _Fun3, Acc) ->
- {lists:reverse(Acc),Bytes,Rb+2};
-
-decode_set(Rb, indefinite, Bytes, OptOrMand, Fun3, Acc) ->
- case Fun3(Bytes, OptOrMand) of
- {_Term, _Remain, 0} ->
- {lists:reverse(Acc),Bytes,Rb};
- {Term, Remain, Rb1} ->
- Fun3(Bytes, OptOrMand),
- decode_set(Rb+Rb1, indefinite, Remain, OptOrMand, Fun3, [Term|Acc])
- end;
-%% {Term, Remain, Rb1} = Fun3(Bytes, OptOrMand),
-%% decode_set(Rb+Rb1, indefinite, Remain, OptOrMand, Fun3, [Term|Acc]);
-
-decode_set(Rb, Num, Bytes, _OptOrMand, _Fun3, Acc) when Num == 0 ->
- {lists:reverse(Acc), Bytes, Rb};
-
-decode_set(_, Num, _, _, _, _) when Num < 0 ->
- exit({error,{asn1,{length_error,'SET'}}});
-
-decode_set(Rb, Num, Bytes, OptOrMand, Fun3, Acc) ->
- case Fun3(Bytes, OptOrMand) of
- {_Term, _Remain, 0} ->
- {lists:reverse(Acc),Bytes,Rb};
- {Term, Remain, Rb1} ->
- Fun3(Bytes, OptOrMand),
- decode_set(Rb+Rb1, Num-Rb1, Remain, OptOrMand, Fun3, [Term|Acc])
- end.
-%% {Term, Remain, Rb1} = Fun3(Bytes, OptOrMand),
-%% decode_set(Rb+Rb1, Num-Rb1, Remain, OptOrMand, Fun3, [Term|Acc]).
-
-
-%%-------------------------------------------------------------------------
-%% decoding of SEQUENCE OF and SET OF
-%%-------------------------------------------------------------------------
-
-decode_components(Rb, indefinite, <<0,0,Bytes/binary>>, _Fun3, _TagIn, Acc) ->
- {lists:reverse(Acc),Bytes,Rb+2};
-
-decode_components(Rb, indefinite, Bytes, Fun3, TagIn, Acc) ->
- {Term, Remain, Rb1} = Fun3(Bytes, mandatory, TagIn),
- decode_components(Rb+Rb1, indefinite, Remain, Fun3, TagIn, [Term|Acc]);
-
-decode_components(Rb, Num, Bytes, _Fun3, _TagIn, Acc) when Num == 0 ->
- {lists:reverse(Acc), Bytes, Rb};
-
-decode_components(_, Num, _, _, _, _) when Num < 0 ->
- exit({error,{asn1,{length_error,'SET/SEQUENCE OF'}}});
-
-decode_components(Rb, Num, Bytes, Fun3, TagIn, Acc) ->
- {Term, Remain, Rb1} = Fun3(Bytes, mandatory, TagIn),
- decode_components(Rb+Rb1, Num-Rb1, Remain, Fun3, TagIn, [Term|Acc]).
-
-%%decode_components(Rb, indefinite, [0,0|Bytes], _Fun3, _TagIn, Acc) ->
-%% {lists:reverse(Acc),Bytes,Rb+2};
-
-decode_components(Rb, indefinite, <<0,0,Bytes/binary>>, _Fun4, _TagIn, _Fun, Acc) ->
- {lists:reverse(Acc),Bytes,Rb+2};
-
-decode_components(Rb, indefinite, Bytes, _Fun4, TagIn, _Fun, Acc) ->
- {Term, Remain, Rb1} = _Fun4(Bytes, mandatory, TagIn, _Fun),
- decode_components(Rb+Rb1, indefinite, Remain, _Fun4, TagIn, _Fun, [Term|Acc]);
-
-decode_components(Rb, Num, Bytes, _Fun4, _TagIn, _Fun, Acc) when Num == 0 ->
- {lists:reverse(Acc), Bytes, Rb};
-
-decode_components(_, Num, _, _, _, _, _) when Num < 0 ->
- exit({error,{asn1,{length_error,'SET/SEQUENCE OF'}}});
-
-decode_components(Rb, Num, Bytes, _Fun4, TagIn, _Fun, Acc) ->
- {Term, Remain, Rb1} = _Fun4(Bytes, mandatory, TagIn, _Fun),
- decode_components(Rb+Rb1, Num-Rb1, Remain, _Fun4, TagIn, _Fun, [Term|Acc]).
-
-
-
-%%-------------------------------------------------------------------------
-%% INTERNAL HELPER FUNCTIONS (not exported)
-%%-------------------------------------------------------------------------
-
-
-%%==========================================================================
-%% Encode tag
-%%
-%% dotag(tag | notag, TagValpattern | TagValTuple, [Length, Value]) -> [Tag]
-%% TagValPattern is a correct bitpattern for a tag
-%% TagValTuple is a tuple of three bitpatterns, Class, Form and TagNo where
-%% Class = UNIVERSAL | APPLICATION | CONTEXT | PRIVATE
-%% Form = Primitive | Constructed
-%% TagNo = Number of tag
-%%==========================================================================
-
dotag([], Tag, {Bytes,Len}) ->
dotag_universal(Tag,Bytes,Len);
dotag(Tags, Tag, {Bytes,Len}) ->
encode_tags(Tags ++ [#tag{class=?UNIVERSAL,number=Tag,form=?PRIMITIVE}],
- Bytes, Len);
-
-dotag(Tags, Tag, Bytes) ->
- encode_tags(Tags ++ [#tag{class=?UNIVERSAL,number=Tag,form=?PRIMITIVE}],
- Bytes, size(Bytes)).
+ Bytes, Len).
dotag_universal(UniversalTag,Bytes,Len) when Len =< 16#7F->
{[UniversalTag,Len,Bytes],2+Len};
@@ -2415,47 +510,6 @@ decode_integer2(Len,<<1:1,B2:7,Bs/binary>>,RemovedBytes) ->
Int = N - (1 bsl (8 * Len - 1)),
{Int,Buffer2,RemovedBytes}.
-%%decode_integer2(Len,Buffer,Acc,RemovedBytes) when (hd(Buffer) band 16#FF) =< 16#7F ->
-%% {decode_integer_pos(Buffer, 8 * (Len - 1)),skip(Buffer,Len),RemovedBytes};
-%%decode_integer2(Len,Buffer,Acc,RemovedBytes) ->
-%% {decode_integer_neg(Buffer, 8 * (Len - 1)),skip(Buffer,Len),RemovedBytes}.
-
-%%decode_integer_pos([Byte|Tail], Shift) ->
-%% (Byte bsl Shift) bor decode_integer_pos(Tail, Shift-8);
-%%decode_integer_pos([], _) -> 0.
-
-
-%%decode_integer_neg([Byte|Tail], Shift) ->
-%% (-128 + (Byte band 127) bsl Shift) bor decode_integer_pos(Tail, Shift-8).
-
-
-concat_bit_binaries([],Bin={_,_}) ->
- Bin;
-concat_bit_binaries({0,B1},{U2,B2}) ->
- {U2,<<B1/binary,B2/binary>>};
-concat_bit_binaries({U1,B1},{U2,B2}) ->
- S1 = (size(B1) * 8) - U1,
- S2 = (size(B2) * 8) - U2,
- PadBits = 8 - ((S1+S2) rem 8),
- {PadBits, <<B1:S1/binary-unit:1,B2:S2/binary-unit:1,0:PadBits>>};
-concat_bit_binaries(L1,L2) when is_list(L1), is_list(L2) ->
- %% this case occur when decoding with NNL
- L1 ++ L2.
-
-
-get_constraint(C,Key) ->
- case lists:keyfind(Key,1,C) of
- false ->
- no;
- {_, V} ->
- V
- end.
-
-%%skip(Buffer, 0) ->
-%% Buffer;
-%%skip([H | T], Len) ->
-%% skip(T, Len-1).
-
new_tags([],LastTag) ->
[LastTag];
new_tags(Tags = [#tag{type='IMPLICIT'}],_LastTag) ->
diff --git a/lib/asn1/src/asn1rt_ber_bin_v2.erl b/lib/asn1/src/asn1rt_ber_bin_v2.erl
index 9ff5017c68..92ca11cf89 100644
--- a/lib/asn1/src/asn1rt_ber_bin_v2.erl
+++ b/lib/asn1/src/asn1rt_ber_bin_v2.erl
@@ -22,8 +22,7 @@
%% encoding / decoding of BER
-export([decode/1, decode/2, match_tags/2, encode/1, encode/2]).
--export([fixoptionals/2, cindex/3,
- list_to_record/2,
+-export([fixoptionals/2,
encode_tag_val/1,
encode_tags/3,
skip_ExtensionAdditions/2]).
@@ -54,8 +53,6 @@
decode_open_type_as_binary/3]).
-export([decode_primitive_incomplete/2,decode_selective/2]).
-
--export([is_nif_loadable/0]).
% the encoding of class of tag bits 8 and 7
-define(UNIVERSAL, 0).
@@ -135,12 +132,7 @@ encode(Tlv,_) when is_binary(Tlv) ->
encode([Tlv],Method) ->
encode(Tlv,Method);
encode(Tlv, nif) ->
- case is_nif_loadable() of
- true ->
- asn1rt_nif:encode_ber_tlv(Tlv);
- false ->
- encode_erl(Tlv)
- end;
+ asn1rt_nif:encode_ber_tlv(Tlv);
encode(Tlv, _) ->
encode_erl(Tlv).
@@ -178,36 +170,15 @@ decode(B) ->
%% asn1-1.7
decode(B, nif) ->
- case is_nif_loadable() of
- true ->
- case asn1rt_nif:decode_ber_tlv(B) of
- {error, Reason} -> handle_error(Reason, B);
- Else -> Else
- end;
- false ->
- decode(B)
+ case asn1rt_nif:decode_ber_tlv(B) of
+ {error, Reason} -> handle_error(Reason, B);
+ Else -> Else
end;
decode(B,erlang) when is_binary(B) ->
decode_primitive(B);
decode(Tlv,erlang) ->
{Tlv,<<>>}.
-%% Have to check this since asn1 is not guaranteed to be available
-is_nif_loadable() ->
- case application:get_env(asn1, nif_loadable) of
- {ok,R} ->
- R;
- undefined ->
- case catch code:load_file(asn1rt_nif) of
- {module, asn1rt_nif} ->
- application:set_env(asn1, nif_loadable, true),
- true;
- _Else ->
- application:set_env(asn1, nif_loadable, false),
- false
- end
- end.
-
handle_error([],_)->
exit({error,{asn1,{"memory allocation problem"}}});
handle_error({$1,_},L) -> % error in nif
@@ -612,13 +583,6 @@ match_tags(Tlv, []) ->
Tlv;
match_tags(Tlv = {Tag,_V},[T|_Tt]) ->
exit({error,{asn1,{wrong_tag,{{expected,T},{got,Tag,Tlv}}}}}).
-
-
-cindex(Ix,Val,Cname) ->
- case element(Ix,Val) of
- {Cname,Val2} -> Val2;
- X -> X
- end.
%%%
%% skips components that do not match a tag in Tags
@@ -642,13 +606,6 @@ skip_ExtensionAdditions(TLV=[{Tag,_}|Rest],Tags) ->
%%===============================================================================
%%===============================================================================
-% converts a list to a record if necessary
-list_to_record(Name,List) when is_list(List) ->
- list_to_tuple([Name|List]);
-list_to_record(_Name,Tuple) when is_tuple(Tuple) ->
- Tuple.
-
-
fixoptionals(OptList,Val) when is_list(Val) ->
fixoptionals(OptList,Val,1,[],[]).
diff --git a/lib/asn1/src/asn1rt_per_bin.erl b/lib/asn1/src/asn1rt_per_bin.erl
deleted file mode 100644
index 5772f09bf4..0000000000
--- a/lib/asn1/src/asn1rt_per_bin.erl
+++ /dev/null
@@ -1,2285 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2001-2012. All Rights Reserved.
-%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%%
-%% %CopyrightEnd%
-%%
-%%
--module(asn1rt_per_bin).
-%% encoding / decoding of PER aligned
-
--include("asn1_records.hrl").
-
--export([dec_fixup/3, cindex/3, list_to_record/2]).
--export([setchoiceext/1, setext/1, fixoptionals/2, fixoptionals/3,
- fixextensions/2,
- getext/1, getextension/2, skipextensions/3, getbit/1, getchoice/3 ]).
--export([getoptionals/2, getoptionals2/2, set_choice/3, encode_integer/2, encode_integer/3 ]).
--export([decode_integer/2, decode_integer/3, encode_small_number/1, encode_boolean/1,
- decode_boolean/1, encode_length/2, decode_length/1, decode_length/2,
- encode_small_length/1, decode_small_length/1,
- decode_compact_bit_string/3]).
--export([decode_enumerated/3,
- encode_bit_string/3, decode_bit_string/3 ]).
--export([encode_octet_string/2, decode_octet_string/2,
- encode_null/1, decode_null/1,
- encode_object_identifier/1, decode_object_identifier/1,
- encode_real/1, decode_real/1,
- encode_relative_oid/1, decode_relative_oid/1,
- complete/1]).
-
-
--export([encode_open_type/2, decode_open_type/2]).
-
--export([encode_UniversalString/2, decode_UniversalString/2,
- encode_PrintableString/2, decode_PrintableString/2,
- encode_GeneralString/2, decode_GeneralString/2,
- encode_GraphicString/2, decode_GraphicString/2,
- encode_TeletexString/2, decode_TeletexString/2,
- encode_VideotexString/2, decode_VideotexString/2,
- encode_VisibleString/2, decode_VisibleString/2,
- encode_UTF8String/1, decode_UTF8String/1,
- encode_BMPString/2, decode_BMPString/2,
- encode_IA5String/2, decode_IA5String/2,
- encode_NumericString/2, decode_NumericString/2,
- encode_ObjectDescriptor/2, decode_ObjectDescriptor/1
- ]).
--export([complete_bytes/1, getbits/2, getoctets/2, minimum_bits/1]).
-
--define('16K',16384).
--define('32K',32768).
--define('64K',65536).
-
-dec_fixup(Terms,Cnames,RemBytes) ->
- dec_fixup(Terms,Cnames,RemBytes,[]).
-
-dec_fixup([novalue|T],[_Hc|Tc],RemBytes,Acc) ->
- dec_fixup(T,Tc,RemBytes,Acc);
-dec_fixup([{_Name,novalue}|T],[_Hc|Tc],RemBytes,Acc) ->
- dec_fixup(T,Tc,RemBytes,Acc);
-dec_fixup([H|T],[Hc|Tc],RemBytes,Acc) ->
- dec_fixup(T,Tc,RemBytes,[{Hc,H}|Acc]);
-dec_fixup([],_Cnames,RemBytes,Acc) ->
- {lists:reverse(Acc),RemBytes}.
-
-cindex(Ix,Val,Cname) ->
- case element(Ix,Val) of
- {Cname,Val2} -> Val2;
- X -> X
- end.
-
-%% converts a list to a record if necessary
-list_to_record(_Name,Tuple) when is_tuple(Tuple) ->
- Tuple;
-list_to_record(Name,List) when is_list(List) ->
- list_to_tuple([Name|List]).
-
-%%--------------------------------------------------------
-%% setchoiceext(InRootSet) -> [{bit,X}]
-%% X is set to 1 when InRootSet==false
-%% X is set to 0 when InRootSet==true
-%%
-setchoiceext(true) ->
- [{debug,choiceext},{bits,1,0}];
-setchoiceext(false) ->
- [{debug,choiceext},{bits,1,1}].
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% setext(true|false) -> CompleteList
-%%
-
-setext(false) ->
- [{debug,ext},{bits,1,0}];
-setext(true) ->
- [{debug,ext},{bits,1,1}].
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% This version of fixoptionals/2 are left only because of
-%% backward compatibility with older generates
-
-fixoptionals(OptList,Val) when is_tuple(Val) ->
- fixoptionals1(OptList,Val,[]);
-
-fixoptionals(OptList,Val) when is_list(Val) ->
- fixoptionals1(OptList,Val,1,[],[]).
-
-fixoptionals1([],Val,Acc) ->
- %% return {Val,Opt}
- {Val,lists:reverse(Acc)};
-fixoptionals1([{_,Pos}|Ot],Val,Acc) ->
- case element(Pos+1,Val) of
- asn1_NOVALUE -> fixoptionals1(Ot,Val,[0|Acc]);
- asn1_DEFAULT -> fixoptionals1(Ot,Val,[0|Acc]);
- _ -> fixoptionals1(Ot,Val,[1|Acc])
- end.
-
-
-fixoptionals1([{Name,Pos}|Ot],[{Name,Val}|Vt],_Opt,Acc1,Acc2) ->
- fixoptionals1(Ot,Vt,Pos+1,[1|Acc1],[{Name,Val}|Acc2]);
-fixoptionals1([{_Name,Pos}|Ot],V,Pos,Acc1,Acc2) ->
- fixoptionals1(Ot,V,Pos+1,[0|Acc1],[asn1_NOVALUE|Acc2]);
-fixoptionals1(O,[Vh|Vt],Pos,Acc1,Acc2) ->
- fixoptionals1(O,Vt,Pos+1,Acc1,[Vh|Acc2]);
-fixoptionals1([],[Vh|Vt],Pos,Acc1,Acc2) ->
- fixoptionals1([],Vt,Pos+1,Acc1,[Vh|Acc2]);
-fixoptionals1([],[],_,Acc1,Acc2) ->
- % return {Val,Opt}
- {list_to_tuple([asn1_RECORDNAME|lists:reverse(Acc2)]),lists:reverse(Acc1)}.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% This is the new fixoptionals/3 which is used by the new generates
-%%
-fixoptionals(OptList,OptLength,Val) when is_tuple(Val) ->
- Bits = fixoptionals(OptList,Val,0),
- {Val,{bits,OptLength,Bits}};
-
-fixoptionals([],_Val,Acc) ->
- %% Optbits
- Acc;
-fixoptionals([{Pos,DefVal}|Ot],Val,Acc) ->
- case element(Pos,Val) of
- asn1_DEFAULT -> fixoptionals(Ot,Val,Acc bsl 1);
- DefVal -> fixoptionals(Ot,Val,Acc bsl 1);
- _ -> fixoptionals(Ot,Val,(Acc bsl 1) + 1)
- end;
-fixoptionals([Pos|Ot],Val,Acc) ->
- case element(Pos,Val) of
- asn1_NOVALUE -> fixoptionals(Ot,Val,Acc bsl 1);
- asn1_DEFAULT -> fixoptionals(Ot,Val,Acc bsl 1);
- _ -> fixoptionals(Ot,Val,(Acc bsl 1) + 1)
- end.
-
-
-getext(Bytes) when is_tuple(Bytes) ->
- getbit(Bytes);
-getext(Bytes) when is_binary(Bytes) ->
- getbit({0,Bytes}).
-
-getextension(0, Bytes) ->
- {{},Bytes};
-getextension(1, Bytes) ->
- {Len,Bytes2} = decode_small_length(Bytes),
- {Blist, Bytes3} = getbits_as_list(Len,Bytes2),
- {list_to_tuple(Blist),Bytes3}.
-
-fixextensions({ext,ExtPos,ExtNum},Val) ->
- case fixextensions(ExtPos,ExtNum+ExtPos,Val,0) of
- 0 -> [];
- ExtBits ->
- [encode_small_length(ExtNum),{bits,ExtNum,ExtBits}]
- end.
-
-fixextensions(Pos,MaxPos,_,Acc) when Pos >= MaxPos ->
- Acc;
-fixextensions(Pos,ExtPos,Val,Acc) ->
- Bit = case catch(element(Pos+1,Val)) of
- asn1_NOVALUE ->
- 0;
- asn1_NOEXTVALUE ->
- 0;
- {'EXIT',_} ->
- 0;
- _ ->
- 1
- end,
- fixextensions(Pos+1,ExtPos,Val,(Acc bsl 1)+Bit).
-
-skipextensions(Bytes,Nr,ExtensionBitPattern) ->
- case (catch element(Nr,ExtensionBitPattern)) of
- 1 ->
- {_,Bytes2} = decode_open_type(Bytes,[]),
- skipextensions(Bytes2, Nr+1, ExtensionBitPattern);
- 0 ->
- skipextensions(Bytes, Nr+1, ExtensionBitPattern);
- {'EXIT',_} -> % badarg, no more extensions
- Bytes
- end.
-
-
-getchoice(Bytes,1,0) -> % only 1 alternative is not encoded
- {0,Bytes};
-getchoice(Bytes,_,1) ->
- decode_small_number(Bytes);
-getchoice(Bytes,NumChoices,0) ->
- decode_constrained_number(Bytes,{0,NumChoices-1}).
-
-%% old version kept for backward compatibility with generates from R7B
-getoptionals(Bytes,NumOpt) ->
- {Blist,Bytes1} = getbits_as_list(NumOpt,Bytes),
- {list_to_tuple(Blist),Bytes1}.
-
-%% new version used in generates from r8b_patch/3 and later
-getoptionals2(Bytes,NumOpt) ->
- getbits(Bytes,NumOpt).
-
-
-%% getbits_as_binary(Num,Bytes) -> {{Unused,BinBits},RestBytes},
-%% Num = integer(),
-%% Bytes = list() | tuple(),
-%% Unused = integer(),
-%% BinBits = binary(),
-%% RestBytes = tuple()
-getbits_as_binary(Num,Bytes) when is_binary(Bytes) ->
- getbits_as_binary(Num,{0,Bytes});
-getbits_as_binary(0,Buffer) ->
- {{0,<<>>},Buffer};
-getbits_as_binary(Num,{0,Bin}) when Num > 16 ->
- Used = Num rem 8,
- Pad = (8 - Used) rem 8,
-% Nbytes = Num div 8,
- <<Bits:Num,_:Pad,RestBin/binary>> = Bin,
- {{Pad,<<Bits:Num,0:Pad>>},RestBin};
-getbits_as_binary(Num,Buffer={_Used,_Bin}) -> % Unaligned buffer
- %% Num =< 16,
- {Bits2,Buffer2} = getbits(Buffer,Num),
- Pad = (8 - (Num rem 8)) rem 8,
- {{Pad,<<Bits2:Num,0:Pad>>},Buffer2}.
-
-
-% integer_from_list(Int,[],BigInt) ->
-% BigInt;
-% integer_from_list(Int,[H|T],BigInt) when Int < 8 ->
-% (BigInt bsl Int) bor (H bsr (8-Int));
-% integer_from_list(Int,[H|T],BigInt) ->
-% integer_from_list(Int-8,T,(BigInt bsl 8) bor H).
-
-getbits_as_list(Num,Bytes) when is_binary(Bytes) ->
- getbits_as_list(Num,{0,Bytes},[]);
-getbits_as_list(Num,Bytes) ->
- getbits_as_list(Num,Bytes,[]).
-
-%% If buffer is empty and nothing more will be picked.
-getbits_as_list(0, B, Acc) ->
- {lists:reverse(Acc),B};
-%% If first byte in buffer is full and at least one byte will be picked,
-%% then pick one byte.
-getbits_as_list(N,{0,Bin},Acc) when N >= 8 ->
- <<B7:1,B6:1,B5:1,B4:1,B3:1,B2:1,B1:1,B0:1,Rest/binary>> = Bin,
- getbits_as_list(N-8,{0,Rest},[B0,B1,B2,B3,B4,B5,B6,B7|Acc]);
-getbits_as_list(N,{Used,Bin},Acc) when N >= 4, Used =< 4 ->
- NewUsed = Used + 4,
- Rem = 8 - NewUsed,
- <<_:Used,B3:1,B2:1,B1:1,B0:1,_:Rem, Rest/binary>> = Bin,
- NewRest = case Rem of 0 -> Rest; _ -> Bin end,
- getbits_as_list(N-4,{NewUsed rem 8,NewRest},[B0,B1,B2,B3|Acc]);
-getbits_as_list(N,{Used,Bin},Acc) when N >= 2, Used =< 6 ->
- NewUsed = Used + 2,
- Rem = 8 - NewUsed,
- <<_:Used,B1:1,B0:1,_:Rem, Rest/binary>> = Bin,
- NewRest = case Rem of 0 -> Rest; _ -> Bin end,
- getbits_as_list(N-2,{NewUsed rem 8,NewRest},[B0,B1|Acc]);
-getbits_as_list(N,{Used,Bin},Acc) when Used =< 7 ->
- NewUsed = Used + 1,
- Rem = 8 - NewUsed,
- <<_:Used,B0:1,_:Rem, Rest/binary>> = Bin,
- NewRest = case Rem of 0 -> Rest; _ -> Bin end,
- getbits_as_list(N-1,{NewUsed rem 8,NewRest},[B0|Acc]).
-
-
-getbit({7,<<_:7,B:1,Rest/binary>>}) ->
- {B,{0,Rest}};
-getbit({0,Buffer = <<B:1,_:7,_/binary>>}) ->
- {B,{1,Buffer}};
-getbit({Used,Buffer}) ->
- Unused = (8 - Used) - 1,
- <<_:Used,B:1,_:Unused,_/binary>> = Buffer,
- {B,{Used+1,Buffer}};
-getbit(Buffer) when is_binary(Buffer) ->
- getbit({0,Buffer}).
-
-
-getbits({0,Buffer},Num) when (Num rem 8) == 0 ->
- <<Bits:Num,Rest/binary>> = Buffer,
- {Bits,{0,Rest}};
-getbits({Used,Bin},Num) ->
- NumPlusUsed = Num + Used,
- NewUsed = NumPlusUsed rem 8,
- Unused = (8-NewUsed) rem 8,
- case Unused of
- 0 ->
- <<_:Used,Bits:Num,Rest/binary>> = Bin,
- {Bits,{0,Rest}};
- _ ->
- Bytes = NumPlusUsed div 8,
- <<_:Used,Bits:Num,_UBits:Unused,_/binary>> = Bin,
- <<_:Bytes/binary,Rest/binary>> = Bin,
- {Bits,{NewUsed,Rest}}
- end;
-getbits(Bin,Num) when is_binary(Bin) ->
- getbits({0,Bin},Num).
-
-
-
-% getoctet(Bytes) when is_list(Bytes) ->
-% getoctet({0,Bytes});
-% getoctet(Bytes) ->
-% %% io:format("getoctet:Buffer = ~p~n",[Bytes]),
-% getoctet1(Bytes).
-
-% getoctet1({0,[H|T]}) ->
-% {H,{0,T}};
-% getoctet1({Pos,[_,H|T]}) ->
-% {H,{0,T}}.
-
-align({0,L}) ->
- {0,L};
-align({_Pos,<<_H,T/binary>>}) ->
- {0,T};
-align(Bytes) ->
- {0,Bytes}.
-
-%% First align buffer, then pick the first Num octets.
-%% Returns octets as an integer with bit significance as in buffer.
-getoctets({0,Buffer},Num) ->
- <<Val:Num/integer-unit:8,RestBin/binary>> = Buffer,
- {Val,{0,RestBin}};
-getoctets({U,<<_Padding,Rest/binary>>},Num) when U /= 0 ->
- getoctets({0,Rest},Num);
-getoctets(Buffer,Num) when is_binary(Buffer) ->
- getoctets({0,Buffer},Num).
-% getoctets(Buffer,Num) ->
-% %% io:format("getoctets:Buffer = ~p~nNum = ~p~n",[Buffer,Num]),
-% getoctets(Buffer,Num,0).
-
-% getoctets(Buffer,0,Acc) ->
-% {Acc,Buffer};
-% getoctets(Buffer,Num,Acc) ->
-% {Oct,NewBuffer} = getoctet(Buffer),
-% getoctets(NewBuffer,Num-1,(Acc bsl 8)+Oct).
-
-% getoctets_as_list(Buffer,Num) ->
-% getoctets_as_list(Buffer,Num,[]).
-
-% getoctets_as_list(Buffer,0,Acc) ->
-% {lists:reverse(Acc),Buffer};
-% getoctets_as_list(Buffer,Num,Acc) ->
-% {Oct,NewBuffer} = getoctet(Buffer),
-% getoctets_as_list(NewBuffer,Num-1,[Oct|Acc]).
-
-%% First align buffer, then pick the first Num octets.
-%% Returns octets as a binary
-getoctets_as_bin({0,Bin},Num)->
- <<Octets:Num/binary,RestBin/binary>> = Bin,
- {Octets,{0,RestBin}};
-getoctets_as_bin({_U,Bin},Num) ->
- <<_Padding,Octets:Num/binary,RestBin/binary>> = Bin,
- {Octets,{0,RestBin}};
-getoctets_as_bin(Bin,Num) when is_binary(Bin) ->
- getoctets_as_bin({0,Bin},Num).
-
-%% same as above but returns octets as a List
-getoctets_as_list(Buffer,Num) ->
- {Bin,Buffer2} = getoctets_as_bin(Buffer,Num),
- {binary_to_list(Bin),Buffer2}.
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% set_choice(Alt,Choices,Altnum) -> ListofBitSettings
-%% Alt = atom()
-%% Altnum = integer() | {integer(),integer()}% number of alternatives
-%% Choices = [atom()] | {[atom()],[atom()]}
-%% When Choices is a tuple the first list is the Rootset and the
-%% second is the Extensions and then Altnum must also be a tuple with the
-%% lengths of the 2 lists
-%%
-set_choice(Alt,{L1,L2},{Len1,_Len2}) ->
- case set_choice_tag(Alt,L1) of
- N when is_integer(N), Len1 > 1 ->
- [{bits,1,0}, % the value is in the root set
- encode_integer([{'ValueRange',{0,Len1-1}}],N)];
- N when is_integer(N) ->
- [{bits,1,0}]; % no encoding if only 0 or 1 alternative
- false ->
- [{bits,1,1}, % extension value
- case set_choice_tag(Alt,L2) of
- N2 when is_integer(N2) ->
- encode_small_number(N2);
- false ->
- unknown_choice_alt
- end]
- end;
-set_choice(Alt,L,Len) ->
- case set_choice_tag(Alt,L) of
- N when is_integer(N), Len > 1 ->
- encode_integer([{'ValueRange',{0,Len-1}}],N);
- N when is_integer(N) ->
- []; % no encoding if only 0 or 1 alternative
- false ->
- [unknown_choice_alt]
- end.
-
-set_choice_tag(Alt,Choices) ->
- set_choice_tag(Alt,Choices,0).
-
-set_choice_tag(Alt,[Alt|_Rest],Tag) ->
- Tag;
-set_choice_tag(Alt,[_H|Rest],Tag) ->
- set_choice_tag(Alt,Rest,Tag+1);
-set_choice_tag(_Alt,[],_Tag) ->
- false.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% decode_fragmented_XXX; decode of values encoded fragmented according
-%% to ITU-T X.691 clause 10.9.3.8. The unit (XXX) is either bits, octets,
-%% characters or number of components (in a choice,sequence or similar).
-%% Buffer is a buffer {Used, Bin}.
-%% C is the constrained length.
-%% If the buffer is not aligned, this function does that.
-decode_fragmented_bits({0,Buffer},C) ->
- decode_fragmented_bits(Buffer,C,[]);
-decode_fragmented_bits({_N,<<_,Bs/binary>>},C) ->
- decode_fragmented_bits(Bs,C,[]).
-
-decode_fragmented_bits(<<3:2,Len:6,Bin/binary>>,C,Acc) ->
- {Value,Bin2} = split_binary(Bin, Len * ?'16K'),
- decode_fragmented_bits(Bin2,C,[Value,Acc]);
-decode_fragmented_bits(<<0:1,0:7,Bin/binary>>,C,Acc) ->
- BinBits = list_to_binary(lists:reverse(Acc)),
- case C of
- Int when is_integer(Int),C == size(BinBits) ->
- {BinBits,{0,Bin}};
- Int when is_integer(Int) ->
- exit({error,{asn1,{illegal_value,C,BinBits}}})
- end;
-decode_fragmented_bits(<<0:1,Len:7,Bin/binary>>,C,Acc) ->
- Result = {BinBits,{Used,_Rest}} =
- case (Len rem 8) of
- 0 ->
- <<Value:Len/binary-unit:1,Bin2/binary>> = Bin,
- {list_to_binary(lists:reverse([Value|Acc])),{0,Bin2}};
- Rem ->
- Bytes = Len div 8,
- U = 8 - Rem,
- <<Value:Bytes/binary-unit:8,Bits1:Rem,Bits2:U,Bin2/binary>> = Bin,
- {list_to_binary(lists:reverse([Bits1 bsl U,Value|Acc])),
- {Rem,<<Bits2,Bin2/binary>>}}
- end,
- case C of
- Int when is_integer(Int),C == (size(BinBits) - ((8 - Used) rem 8)) ->
- Result;
- Int when is_integer(Int) ->
- exit({error,{asn1,{illegal_value,C,BinBits}}})
- end.
-
-
-decode_fragmented_octets({0,Bin},C) ->
- decode_fragmented_octets(Bin,C,[]).
-
-decode_fragmented_octets(<<3:2,Len:6,Bin/binary>>,C,Acc) ->
- {Value,Bin2} = split_binary(Bin,Len * ?'16K'),
- decode_fragmented_octets(Bin2,C,[Value,Acc]);
-decode_fragmented_octets(<<0:1,0:7,Bin/binary>>,C,Acc) ->
- Octets = list_to_binary(lists:reverse(Acc)),
- case C of
- Int when is_integer(Int), C == size(Octets) ->
- {Octets,{0,Bin}};
- Int when is_integer(Int) ->
- exit({error,{asn1,{illegal_value,C,Octets}}})
- end;
-decode_fragmented_octets(<<0:1,Len:7,Bin/binary>>,C,Acc) ->
- <<Value:Len/binary-unit:8,Bin2/binary>> = Bin,
- BinOctets = list_to_binary(lists:reverse([Value|Acc])),
- case C of
- Int when is_integer(Int),size(BinOctets) == Int ->
- {BinOctets,Bin2};
- Int when is_integer(Int) ->
- exit({error,{asn1,{illegal_value,C,BinOctets}}})
- end.
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% encode_open_type(Constraint, Value) -> CompleteList
-%% Value = list of bytes of an already encoded value (the list must be flat)
-%% | binary
-%% Contraint = not used in this version
-%%
-encode_open_type(_C, Val) when is_list(Val) ->
- Bin = list_to_binary(Val),
- [encode_length(undefined,size(Bin)),{octets,Bin}]; % octets implies align
-encode_open_type(_C, Val) when is_binary(Val) ->
- [encode_length(undefined,size(Val)),{octets,Val}]. % octets implies align
-%% the binary_to_list is not optimal but compatible with the current solution
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% decode_open_type(Buffer,Constraint) -> Value
-%% Constraint is not used in this version
-%% Buffer = [byte] with PER encoded data
-%% Value = [byte] with decoded data (which must be decoded again as some type)
-%%
-decode_open_type(Bytes, _C) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- getoctets_as_bin(Bytes2,Len).
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% encode_integer(Constraint,Value,NamedNumberList) -> CompleteList
-%% encode_integer(Constraint,Value) -> CompleteList
-%% encode_integer(Constraint,{Name,Value}) -> CompleteList
-%%
-%%
-encode_integer(C,V,NamedNumberList) when is_atom(V) ->
- case lists:keysearch(V,1,NamedNumberList) of
- {value,{_,NewV}} ->
- encode_integer(C,NewV);
- _ ->
- exit({error,{asn1,{namednumber,V}}})
- end;
-encode_integer(C,V,_NamedNumberList) when is_integer(V) ->
- encode_integer(C,V);
-encode_integer(C,{Name,V},NamedNumberList) when is_atom(Name) ->
- encode_integer(C,V,NamedNumberList).
-
-encode_integer(C,{Name,Val}) when is_atom(Name) ->
- encode_integer(C,Val);
-
-encode_integer([{Rc,_Ec}],Val) when is_tuple(Rc) -> % XXX when is this invoked? First argument most often a list,...Ok this is the extension case...but it doesn't work.
- case (catch encode_integer([Rc],Val)) of
- {'EXIT',{error,{asn1,_}}} ->
- [{bits,1,1},encode_unconstrained_number(Val)];
- Encoded ->
- [{bits,1,0},Encoded]
- end;
-encode_integer(C,Val ) when is_list(C) ->
- case get_constraint(C,'SingleValue') of
- no ->
- encode_integer1(C,Val);
- V when is_integer(V),V == Val ->
- []; % a type restricted to a single value encodes to nothing
- V when is_list(V) ->
- case lists:member(Val,V) of
- true ->
- encode_integer1(C,Val);
- _ ->
- exit({error,{asn1,{illegal_value,Val}}})
- end;
- _ ->
- exit({error,{asn1,{illegal_value,Val}}})
- end.
-
-encode_integer1(C, Val) ->
- case VR = get_constraint(C,'ValueRange') of
- no ->
- encode_unconstrained_number(Val);
- {Lb,'MAX'} ->
- encode_semi_constrained_number(Lb,Val);
- %% positive with range
- {Lb,Ub} when Val >= Lb,
- Ub >= Val ->
- encode_constrained_number(VR,Val);
- _ ->
- exit({error,{asn1,{illegal_value,VR,Val}}})
- end.
-
-decode_integer(Buffer,Range,NamedNumberList) ->
- {Val,Buffer2} = decode_integer(Buffer,Range),
- case lists:keysearch(Val,2,NamedNumberList) of
- {value,{NewVal,_}} -> {NewVal,Buffer2};
- _ -> {Val,Buffer2}
- end.
-
-decode_integer(Buffer,[{Rc,_Ec}]) when is_tuple(Rc) ->
- {Ext,Buffer2} = getext(Buffer),
- case Ext of
- 0 -> decode_integer(Buffer2,[Rc]);
- 1 -> decode_unconstrained_number(Buffer2)
- end;
-decode_integer(Buffer,undefined) ->
- decode_unconstrained_number(Buffer);
-decode_integer(Buffer,C) ->
- case get_constraint(C,'SingleValue') of
- V when is_integer(V) ->
- {V,Buffer};
- V when is_list(V) ->
- {Val,Buffer2} = decode_integer1(Buffer,C),
- case lists:member(Val,V) of
- true ->
- {Val,Buffer2};
- _ ->
- exit({error,{asn1,{illegal_value,Val}}})
- end;
- _ ->
- decode_integer1(Buffer,C)
- end.
-
-decode_integer1(Buffer,C) ->
- case VR = get_constraint(C,'ValueRange') of
- no ->
- decode_unconstrained_number(Buffer);
- {Lb, 'MAX'} ->
- decode_semi_constrained_number(Buffer,Lb);
- {_,_} ->
- decode_constrained_number(Buffer,VR)
- end.
-
- % X.691:10.6 Encoding of a normally small non-negative whole number
- % Use this for encoding of CHOICE index if there is an extension marker in
- % the CHOICE
-encode_small_number({Name,Val}) when is_atom(Name) ->
- encode_small_number(Val);
-encode_small_number(Val) when Val =< 63 ->
-% [{bits,1,0},{bits,6,Val}];
- [{bits,7,Val}]; % same as above but more efficient
-encode_small_number(Val) ->
- [{bits,1,1},encode_semi_constrained_number(0,Val)].
-
-decode_small_number(Bytes) ->
- {Bit,Bytes2} = getbit(Bytes),
- case Bit of
- 0 ->
- getbits(Bytes2,6);
- 1 ->
- decode_semi_constrained_number(Bytes2,0)
- end.
-
-%% X.691:10.7 Encoding of a semi-constrained whole number
-%% might be an optimization encode_semi_constrained_number(0,Val) ->
-encode_semi_constrained_number(C,{Name,Val}) when is_atom(Name) ->
- encode_semi_constrained_number(C,Val);
-encode_semi_constrained_number({Lb,'MAX'},Val) ->
- encode_semi_constrained_number(Lb,Val);
-encode_semi_constrained_number(Lb,Val) ->
- Val2 = Val - Lb,
- Oct = eint_positive(Val2),
- Len = length(Oct),
- if
- Len < 128 ->
- {octets,[Len|Oct]}; % equiv with encode_length(undefined,Len) but faster
- true ->
- [encode_length(undefined,Len),{octets,Oct}]
- end.
-
-decode_semi_constrained_number(Bytes,{Lb,_}) ->
- decode_semi_constrained_number(Bytes,Lb);
-decode_semi_constrained_number(Bytes,Lb) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- {V,Bytes3} = getoctets(Bytes2,Len),
- {V+Lb,Bytes3}.
-
-encode_constrained_number(Range,{Name,Val}) when is_atom(Name) ->
- encode_constrained_number(Range,Val);
-encode_constrained_number({Lb,Ub},Val) when Val >= Lb, Ub >= Val ->
- Range = Ub - Lb + 1,
- Val2 = Val - Lb,
- if
- Range == 1 ->
- [];
- Range == 2 ->
- {bits,1,Val2};
- Range =< 4 ->
- {bits,2,Val2};
- Range =< 8 ->
- {bits,3,Val2};
- Range =< 16 ->
- {bits,4,Val2};
- Range =< 32 ->
- {bits,5,Val2};
- Range =< 64 ->
- {bits,6,Val2};
- Range =< 128 ->
- {bits,7,Val2};
- Range =< 255 ->
- {bits,8,Val2};
- Range =< 256 ->
- {octets,[Val2]};
- Range =< 65536 ->
- {octets,<<Val2:16>>};
- Range =< (1 bsl (255*8)) ->
- Octs = binary:encode_unsigned(Val2),
- RangeOcts = binary:encode_unsigned(Range - 1),
- OctsLen = erlang:byte_size(Octs),
- RangeOctsLen = erlang:byte_size(RangeOcts),
- LengthBitsNeeded = minimum_bits(RangeOctsLen - 1),
- [{bits, LengthBitsNeeded, OctsLen - 1}, {octets, Octs}];
- true ->
- exit({not_supported,{integer_range,Range}})
- end;
-encode_constrained_number(Range,Val) ->
- exit({error,{asn1,{integer_range,Range,value,Val}}}).
-
-%% For some reason the minimum bits needed in the length field in encoding of
-%% constrained whole numbers must always be atleast 2?
-minimum_bits(N) when N < 4 -> 2;
-minimum_bits(N) when N < 8 -> 3;
-minimum_bits(N) when N < 16 -> 4;
-minimum_bits(N) when N < 32 -> 5;
-minimum_bits(N) when N < 64 -> 6;
-minimum_bits(N) when N < 128 -> 7;
-minimum_bits(_N) -> 8.
-
-decode_constrained_number(Buffer,{Lb,Ub}) ->
- Range = Ub - Lb + 1,
- % Val2 = Val - Lb,
- {Val,Remain} =
- if
- Range == 1 ->
- {0,Buffer};
- Range == 2 ->
- getbits(Buffer,1);
- Range =< 4 ->
- getbits(Buffer,2);
- Range =< 8 ->
- getbits(Buffer,3);
- Range =< 16 ->
- getbits(Buffer,4);
- Range =< 32 ->
- getbits(Buffer,5);
- Range =< 64 ->
- getbits(Buffer,6);
- Range =< 128 ->
- getbits(Buffer,7);
- Range =< 255 ->
- getbits(Buffer,8);
- Range =< 256 ->
- getoctets(Buffer,1);
- Range =< 65536 ->
- getoctets(Buffer,2);
- Range =< (1 bsl (255*8)) ->
- OList = binary:bin_to_list(binary:encode_unsigned(Range - 1)),
- RangeOctLen = length(OList),
- {Len, Bytes} = decode_length(Buffer, {1, RangeOctLen}),
- {Octs, RestBytes} = getoctets_as_list(Bytes, Len),
- {binary:decode_unsigned(binary:list_to_bin(Octs)), RestBytes};
- true ->
- exit({not_supported,{integer_range,Range}})
- end,
- {Val+Lb,Remain}.
-
-%% X.691:10.8 Encoding of an unconstrained whole number
-
-encode_unconstrained_number(Val) when Val >= 0 ->
- Oct = eint(Val,[]),
- Len = length(Oct),
- if
- Len < 128 ->
- {octets,[Len|Oct]}; % equiv with encode_length(undefined,Len) but faster
- true ->
- [encode_length(undefined,Len),{octets,Oct}]
- end;
-encode_unconstrained_number(Val) -> % negative
- Oct = enint(Val,[]),
- Len = length(Oct),
- if
- Len < 128 ->
- {octets,[Len|Oct]}; % equiv with encode_length(undefined,Len) but faster
- true ->
- [encode_length(undefined,Len),{octets,Oct}]
- end.
-
-
-%% used for positive Values which don't need a sign bit
-%% returns a binary
-eint_positive(Val) ->
- case eint(Val,[]) of
- [0,B1|T] ->
- [B1|T];
- T ->
- T
- end.
-
-
-eint(0, [B|Acc]) when B < 128 ->
- [B|Acc];
-eint(N, Acc) ->
- eint(N bsr 8, [N band 16#ff| Acc]).
-
-enint(-1, [B1|T]) when B1 > 127 ->
- [B1|T];
-enint(N, Acc) ->
- enint(N bsr 8, [N band 16#ff|Acc]).
-
-decode_unconstrained_number(Bytes) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- {Ints,Bytes3} = getoctets_as_list(Bytes2,Len),
- {dec_integer(Ints),Bytes3}.
-
-dec_integer(Ints) when hd(Ints) band 255 =< 127 -> %% Positive number
- decpint(Ints, 8 * (length(Ints) - 1));
-dec_integer(Ints) -> %% Negative
- decnint(Ints, 8 * (length(Ints) - 1)).
-
-decpint([Byte|Tail], Shift) ->
- (Byte bsl Shift) bor decpint(Tail, Shift-8);
-decpint([], _) -> 0.
-
-decnint([Byte|Tail], Shift) ->
- (-128 + (Byte band 127) bsl Shift) bor decpint(Tail, Shift-8).
-
-% minimum_octets(Val) ->
-% minimum_octets(Val,[]).
-
-% minimum_octets(Val,Acc) when Val > 0 ->
-% minimum_octets((Val bsr 8),[Val band 16#FF|Acc]);
-% minimum_octets(0,Acc) ->
-% Acc.
-
-
-%% X.691:10.9 Encoding of a length determinant
-%%encode_small_length(undefined,Len) -> % null means no UpperBound
-%% encode_small_number(Len).
-
-%% X.691:10.9.3.5
-%% X.691:10.9.3.7
-encode_length(undefined,Len) -> % un-constrained
- if
- Len < 128 ->
- {octets,[Len]};
- Len < 16384 ->
- {octets,<<2:2,Len:14>>};
- true -> % should be able to endode length >= 16384
- exit({error,{asn1,{encode_length,{nyi,above_16k}}}})
- end;
-
-encode_length({0,'MAX'},Len) ->
- encode_length(undefined,Len);
-encode_length(Vr={Lb,Ub},Len) when Ub =< 65535 ,Lb >= 0 -> % constrained
- encode_constrained_number(Vr,Len);
-encode_length({Lb,_Ub},Len) when is_integer(Lb), Lb >= 0 -> % Ub > 65535
- encode_length(undefined,Len);
-encode_length({Vr={Lb,Ub},Ext},Len)
- when Ub =< 65535 ,Lb >= 0, Len=<Ub, is_list(Ext) ->
- %% constrained extensible
- [{bits,1,0},encode_constrained_number(Vr,Len)];
-encode_length({{Lb,_Ub},Ext},Len) when is_list(Ext) ->
- [{bits,1,1},encode_semi_constrained_number(Lb,Len)];
-encode_length(SingleValue,_Len) when is_integer(SingleValue) ->
- [].
-
-%% X.691 10.9.3.4 (only used for length of bitmap that prefixes extension
-%% additions in a sequence or set
-encode_small_length(Len) when Len =< 64 ->
-%% [{bits,1,0},{bits,6,Len-1}];
- {bits,7,Len-1}; % the same as above but more efficient
-encode_small_length(Len) ->
- [{bits,1,1},encode_length(undefined,Len)].
-
-% decode_small_length({Used,<<_:Used,0:1,Num:6,_:((8-Used+1) rem 8),Rest/binary>>}) ->
-% case Buffer of
-% <<_:Used,0:1,Num:6,_:((8-Used+1) rem 8),Rest/binary>> ->
-% {Num,
-% case getbit(Buffer) of
-% {0,Remain} ->
-% {Bits,Remain2} = getbits(Remain,6),
-% {Bits+1,Remain2};
-% {1,Remain} ->
-% decode_length(Remain,undefined)
-% end.
-
-decode_small_length(Buffer) ->
- case getbit(Buffer) of
- {0,Remain} ->
- {Bits,Remain2} = getbits(Remain,6),
- {Bits+1,Remain2};
- {1,Remain} ->
- decode_length(Remain,undefined)
- end.
-
-decode_length(Buffer) ->
- decode_length(Buffer,undefined).
-
-decode_length(Buffer,undefined) -> % un-constrained
- {0,Buffer2} = align(Buffer),
- case Buffer2 of
- <<0:1,Oct:7,Rest/binary>> ->
- {Oct,{0,Rest}};
- <<2:2,Val:14,Rest/binary>> ->
- {Val,{0,Rest}};
- <<3:2,_:14,_Rest/binary>> ->
- %% this case should be fixed
- exit({error,{asn1,{decode_length,{nyi,above_16k}}}})
- end;
-%% {Bits,_} = getbits(Buffer2,2),
-% case Bits of
-% 2 ->
-% {Val,Bytes3} = getoctets(Buffer2,2),
-% {(Val band 16#3FFF),Bytes3};
-% 3 ->
-% exit({error,{asn1,{decode_length,{nyi,above_16k}}}});
-% _ ->
-% {Val,Bytes3} = getoctet(Buffer2),
-% {Val band 16#7F,Bytes3}
-% end;
-
-decode_length(Buffer,{Lb,Ub}) when Ub =< 65535 ,Lb >= 0 -> % constrained
- decode_constrained_number(Buffer,{Lb,Ub});
-decode_length(Buffer,{Lb,_}) when is_integer(Lb), Lb >= 0 -> % Ub > 65535
- decode_length(Buffer,undefined);
-decode_length(Buffer,{VR={_Lb,_Ub},Ext}) when is_list(Ext) ->
- case getbit(Buffer) of
- {0,Buffer2} ->
- decode_length(Buffer2, VR);
- {1,Buffer2} ->
- decode_length(Buffer2, undefined)
- end;
-%% {0,Buffer2} = getbit(Buffer),
-%% decode_length(Buffer2, VR);
-
-
-%When does this case occur with {_,_Lb,Ub} ??
-% X.691:10.9.3.5
-decode_length({Used,Bin},{_,_Lb,_Ub}) -> %when Len =< 127 -> % Unconstrained or large Ub NOTE! this case does not cover case when Ub > 65535
- Unused = (8-Used) rem 8,
- case Bin of
- <<_:Used,0:1,Val:7,R:Unused,Rest/binary>> ->
- {Val,{Used,<<R,Rest/binary>>}};
- <<_:Used,_:Unused,2:2,Val:14,Rest/binary>> ->
- {Val, {0,Rest}};
- <<_:Used,_:Unused,3:2,_:14,_Rest/binary>> ->
- exit({error,{asn1,{decode_length,{nyi,length_above_64K}}}})
- end;
-% decode_length(Buffer,{_,_Lb,Ub}) -> %when Len =< 127 -> % Unconstrained or large Ub
-% case getbit(Buffer) of
-% {0,Remain} ->
-% getbits(Remain,7);
-% {1,Remain} ->
-% {Val,Remain2} = getoctets(Buffer,2),
-% {Val band 2#0111111111111111, Remain2}
-% end;
-decode_length(Buffer,SingleValue) when is_integer(SingleValue) ->
- {SingleValue,Buffer}.
-
-
- % X.691:11
-encode_boolean(true) ->
- {bits,1,1};
-encode_boolean(false) ->
- {bits,1,0};
-encode_boolean({Name,Val}) when is_atom(Name) ->
- encode_boolean(Val);
-encode_boolean(Val) ->
- exit({error,{asn1,{encode_boolean,Val}}}).
-
-decode_boolean(Buffer) -> %when record(Buffer,buffer)
- case getbit(Buffer) of
- {1,Remain} -> {true,Remain};
- {0,Remain} -> {false,Remain}
- end.
-
-
-%% ENUMERATED with extension marker
-decode_enumerated(Buffer,C,{Ntup1,Ntup2}) when is_tuple(Ntup1), is_tuple(Ntup2) ->
- {Ext,Buffer2} = getext(Buffer),
- case Ext of
- 0 -> % not an extension value
- {Val,Buffer3} = decode_integer(Buffer2,C),
- case catch (element(Val+1,Ntup1)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer3};
- _Error -> exit({error,{asn1,{decode_enumerated,{Val,[Ntup1,Ntup2]}}}})
- end;
- 1 -> % this an extension value
- {Val,Buffer3} = decode_small_number(Buffer2),
- case catch (element(Val+1,Ntup2)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer3};
- _ -> {{asn1_enum,Val},Buffer3}
- end
- end;
-
-decode_enumerated(Buffer,C,NamedNumberTup) when is_tuple(NamedNumberTup) ->
- {Val,Buffer2} = decode_integer(Buffer,C),
- case catch (element(Val+1,NamedNumberTup)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer2};
- _Error -> exit({error,{asn1,{decode_enumerated,{Val,NamedNumberTup}}}})
- end.
-
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-%% Bitstring value, ITU_T X.690 Chapter 8.5
-%%===============================================================================
-%%===============================================================================
-%%===============================================================================
-
-%%===============================================================================
-%% encode bitstring value
-%%===============================================================================
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% bitstring NamedBitList
-%% Val can be of:
-%% - [identifiers] where only named identifers are set to one,
-%% the Constraint must then have some information of the
-%% bitlength.
-%% - [list of ones and zeroes] all bits
-%% - integer value representing the bitlist
-%% C is constraint Len, only valid when identifiers
-
-
-%% when the value is a list of {Unused,BinBits}, where
-%% Unused = integer(),
-%% BinBits = binary().
-
-encode_bit_string(C,Bin={Unused,BinBits},NamedBitList) when is_integer(Unused),
- is_binary(BinBits) ->
- encode_bin_bit_string(C,Bin,NamedBitList);
-
-%% when the value is a list of named bits
-encode_bit_string(C, LoNB=[FirstVal | _RestVal], NamedBitList) when is_atom(FirstVal) ->
- ToSetPos = get_all_bitposes(LoNB, NamedBitList, []),
- BitList = make_and_set_list(ToSetPos,0),
- encode_bit_string(C,BitList,NamedBitList);
-
-encode_bit_string(C, BL=[{bit,_No} | _RestVal], NamedBitList) ->
- ToSetPos = get_all_bitposes(BL, NamedBitList, []),
- BitList = make_and_set_list(ToSetPos,0),
- encode_bit_string(C,BitList,NamedBitList);
-
-%% when the value is a list of ones and zeroes
-
-% encode_bit_string(C, BitListValue, NamedBitList) when is_list(BitListValue) ->
-% Bl1 =
-% case NamedBitList of
-% [] -> % dont remove trailing zeroes
-% BitListValue;
-% _ -> % first remove any trailing zeroes
-% lists:reverse(lists:dropwhile(fun(0)->true;(1)->false end,
-% lists:reverse(BitListValue)))
-% end,
-% BitList = [{bit,X} || X <- Bl1],
-% %% BListLen = length(BitList),
-% case get_constraint(C,'SizeConstraint') of
-% 0 -> % fixed length
-% []; % nothing to encode
-% V when is_integer(V),V=<16 -> % fixed length 16 bits or less
-% pad_list(V,BitList);
-% V when is_integer(V) -> % fixed length 16 bits or more
-% [align,pad_list(V,BitList)]; % should be another case for V >= 65537
-% {Lb,Ub} when is_integer(Lb),is_integer(Ub) ->
-% [encode_length({Lb,Ub},length(BitList)),align,BitList];
-% no ->
-% [encode_length(undefined,length(BitList)),align,BitList];
-% Sc -> % extension marker
-% [encode_length(Sc,length(BitList)),align,BitList]
-% end;
-encode_bit_string(C, BitListValue, NamedBitList) when is_list(BitListValue) ->
- BitListToBinary =
- %% fun that transforms a list of 1 and 0 to a tuple:
- %% {UnusedBitsInLastByte, Binary}
- fun([1|T],Acc,N,Fun) ->
- Fun(T,(Acc bsl 1)+1,N+1,Fun);
- ([0|T],Acc,N,Fun) ->
- Fun(T,(Acc bsl 1),N+1,Fun);
- ([_H|_T],_,_,_) ->
- exit({error,{asn1,{bitstring_bitlist,BitListValue}}});
- ([],Acc,N,_) ->
- Unused = (8 - (N rem 8)) rem 8,
- {Unused,<<Acc:N,0:Unused>>}
- end,
- UnusedAndBin =
- case NamedBitList of
- [] -> % dont remove trailing zeroes
- BitListToBinary(BitListValue,0,0,BitListToBinary);
- _ ->
- BitListToBinary(lists:reverse(
- lists:dropwhile(fun(0)->true;(_)->false end,
- lists:reverse(BitListValue))),
- 0,0,BitListToBinary)
- end,
- encode_bin_bit_string(C,UnusedAndBin,NamedBitList);
-
-%% when the value is an integer
-encode_bit_string(C, IntegerVal, NamedBitList) when is_integer(IntegerVal)->
- BitList = int_to_bitlist(IntegerVal),
- encode_bit_string(C,BitList,NamedBitList);
-
-%% when the value is a tuple
-encode_bit_string(C,{Name,Val}, NamedBitList) when is_atom(Name) ->
- encode_bit_string(C,Val,NamedBitList).
-
-
-%% encode_bin_bit_string/3, when value is a tuple of Unused and BinBits.
-%% Unused = integer(),i.e. number unused bits in least sign. byte of
-%% BinBits = binary().
-
-
-encode_bin_bit_string(C,UnusedAndBin={_Unused,_BinBits},NamedBitList) ->
- Constr = get_constraint(C,'SizeConstraint'),
- UnusedAndBin1 = {Unused1,Bin1} =
- remove_trailing_bin(NamedBitList,UnusedAndBin,lower_bound(Constr)),
- case Constr of
- 0 ->
- [];
- V when is_integer(V),V=<16 ->
- {Unused2,Bin2} = pad_list(V,UnusedAndBin1),
- <<BitVal:V,_:Unused2>> = Bin2,
- {bits,V,BitVal};
- V when is_integer(V) ->
- [align, pad_list(V, UnusedAndBin1)];
- {Lb,Ub} when is_integer(Lb),is_integer(Ub) ->
- [encode_length({Lb,Ub},size(Bin1)*8 - Unused1),
- align,UnusedAndBin1];
- {{Fix,Fix},L} when is_integer(Fix),is_list(L) ->
- %% X.691 � 15.6, the rest of this paragraph is covered by
- %% the last, ie. Sc, clause in this case
- case (size(Bin1)*8)-Unused1 of
- Size when Size =< Fix, Fix =< 16 ->
- {Unused2,Bin2} = pad_list(Fix,UnusedAndBin),
- <<BitVal:Fix,_:Unused2>> = Bin2,
- [{bits,1,0},{bits,Fix,BitVal}];
- Size when Size =< Fix ->
- [{bits,1,0},align, pad_list(Fix, UnusedAndBin1)];
- Size ->
- [{bits,1,1},encode_length(undefined,Size),
- align,UnusedAndBin1]
- end;
- no ->
- [encode_length(undefined,size(Bin1)*8 - Unused1),
- align,UnusedAndBin1];
- Sc ->
- [encode_length(Sc,size(Bin1)*8 - Unused1),
- align,UnusedAndBin1]
- end.
-
-
-remove_trailing_bin([], {Unused,Bin},_) ->
- {Unused,Bin};
-remove_trailing_bin(_NamedNumberList,{_Unused,<<>>},C) ->
- case C of
- Int when is_integer(Int),Int > 0 ->
- %% this padding see OTP-4353
- pad_list(Int,{0,<<>>});
- _ -> {0,<<>>}
- end;
-remove_trailing_bin(NamedNumberList, {_Unused,Bin},C) ->
- Size = size(Bin)-1,
- <<Bfront:Size/binary, LastByte:8>> = Bin,
- %% clear the Unused bits to be sure
- Unused1 = trailingZeroesInNibble(LastByte band 15),
- Unused2 =
- case Unused1 of
- 4 ->
- 4 + trailingZeroesInNibble(LastByte bsr 4);
- _ -> Unused1
- end,
- case Unused2 of
- 8 ->
- remove_trailing_bin(NamedNumberList,{0,Bfront},C);
- _ ->
- case C of
- Int when is_integer(Int),Int > ((size(Bin)*8)-Unused2) ->
- %% this padding see OTP-4353
- pad_list(Int,{Unused2,Bin});
- _ -> {Unused2,Bin}
- end
- end.
-
-
-trailingZeroesInNibble(0) ->
- 4;
-trailingZeroesInNibble(1) ->
- 0;
-trailingZeroesInNibble(2) ->
- 1;
-trailingZeroesInNibble(3) ->
- 0;
-trailingZeroesInNibble(4) ->
- 2;
-trailingZeroesInNibble(5) ->
- 0;
-trailingZeroesInNibble(6) ->
- 1;
-trailingZeroesInNibble(7) ->
- 0;
-trailingZeroesInNibble(8) ->
- 3;
-trailingZeroesInNibble(9) ->
- 0;
-trailingZeroesInNibble(10) ->
- 1;
-trailingZeroesInNibble(11) ->
- 0;
-trailingZeroesInNibble(12) -> %#1100
- 2;
-trailingZeroesInNibble(13) ->
- 0;
-trailingZeroesInNibble(14) ->
- 1;
-trailingZeroesInNibble(15) ->
- 0.
-
-lower_bound({{Lb,_},_}) when is_integer(Lb) ->
- Lb;
-lower_bound({Lb,_}) when is_integer(Lb) ->
- Lb;
-lower_bound(C) ->
- C.
-
-%%%%%%%%%%%%%%%
-%% The result is presented as a list of named bits (if possible)
-%% else as a tuple {Unused,Bits}. Unused is the number of unused
-%% bits, least significant bits in the last byte of Bits. Bits is
-%% the BIT STRING represented as a binary.
-%%
-decode_compact_bit_string(Buffer, C, NamedNumberList) ->
- case get_constraint(C,'SizeConstraint') of
- 0 -> % fixed length
- {{8,0},Buffer};
- V when is_integer(V),V=<16 -> %fixed length 16 bits or less
- compact_bit_string(Buffer,V,NamedNumberList);
- V when is_integer(V),V=<65536 -> %fixed length > 16 bits
- Bytes2 = align(Buffer),
- compact_bit_string(Bytes2,V,NamedNumberList);
- V when is_integer(V) -> % V > 65536 => fragmented value
- {Bin,Buffer2} = decode_fragmented_bits(Buffer,V),
- case Buffer2 of
- {0,_} -> {{0,Bin},Buffer2};
- {U,_} -> {{8-U,Bin},Buffer2}
- end;
- {Lb,Ub} when is_integer(Lb),is_integer(Ub) ->
- %% This case may demand decoding of fragmented length/value
- {Len,Bytes2} = decode_length(Buffer,{Lb,Ub}),
- Bytes3 = align(Bytes2),
- compact_bit_string(Bytes3,Len,NamedNumberList);
- no ->
- %% This case may demand decoding of fragmented length/value
- {Len,Bytes2} = decode_length(Buffer,undefined),
- Bytes3 = align(Bytes2),
- compact_bit_string(Bytes3,Len,NamedNumberList);
- {{Fix,Fix},L} = Sc when is_list(L), is_integer(Fix), Fix =< 16 ->
- %% X.691 �15.6, special case of extension marker
- case decode_length(Buffer,Sc) of
- {Len,Bytes2} when Len > Fix ->
- Bytes3 = align(Bytes2),
- compact_bit_string(Bytes3,Len,NamedNumberList);
- {Len,Bytes2} ->
- compact_bit_string(Bytes2,Len,NamedNumberList)
- end;
- Sc ->
- {Len,Bytes2} = decode_length(Buffer,Sc),
- Bytes3 = align(Bytes2),
- compact_bit_string(Bytes3,Len,NamedNumberList)
- end.
-
-
-%%%%%%%%%%%%%%%
-%% The result is presented as a list of named bits (if possible)
-%% else as a list of 0 and 1.
-%%
-decode_bit_string(Buffer, C, NamedNumberList) ->
- case get_constraint(C,'SizeConstraint') of
- {Lb,Ub} when is_integer(Lb),is_integer(Ub) ->
- {Len,Bytes2} = decode_length(Buffer,{Lb,Ub}),
- Bytes3 = align(Bytes2),
- bit_list_or_named(Bytes3,Len,NamedNumberList);
- no ->
- {Len,Bytes2} = decode_length(Buffer,undefined),
- Bytes3 = align(Bytes2),
- bit_list_or_named(Bytes3,Len,NamedNumberList);
- 0 -> % fixed length
- {[],Buffer}; % nothing to encode
- V when is_integer(V),V=<16 -> % fixed length 16 bits or less
- bit_list_or_named(Buffer,V,NamedNumberList);
- V when is_integer(V),V=<65536 ->
- Bytes2 = align(Buffer),
- bit_list_or_named(Bytes2,V,NamedNumberList);
- V when is_integer(V) ->
- Bytes2 = align(Buffer),
- {BinBits,_} = decode_fragmented_bits(Bytes2,V),
- bit_list_or_named(BinBits,V,NamedNumberList);
- {{Fix,Fix},L} = Sc when is_list(L), is_integer(Fix), Fix =< 16 ->
- %% X.691 �15.6, special case of extension marker
- case decode_length(Buffer,Sc) of
- {Len,Bytes2} when Len > Fix ->
- Bytes3 = align(Bytes2),
- bit_list_or_named(Bytes3,Len,NamedNumberList);
- {Len,Bytes2} when Len > 16 ->
- Bytes3 = align(Bytes2),
- bit_list_or_named(Bytes3,Len,NamedNumberList);
- {Len,Bytes2} ->
- bit_list_or_named(Bytes2,Len,NamedNumberList)
- end;
- Sc -> %% X.691 �15.6, extension marker
- {Len,Bytes2} = decode_length(Buffer,Sc),
- Bytes3 = align(Bytes2),
- bit_list_or_named(Bytes3,Len,NamedNumberList)
- end.
-
-
-%% if no named bits are declared we will return a
-%% {Unused,Bits}. Unused = integer(),
-%% Bits = binary().
-compact_bit_string(Buffer,Len,[]) ->
- getbits_as_binary(Len,Buffer); % {{Unused,BinBits},NewBuffer}
-compact_bit_string(Buffer,Len,NamedNumberList) ->
- bit_list_or_named(Buffer,Len,NamedNumberList).
-
-
-%% if no named bits are declared we will return a
-%% BitList = [0 | 1]
-
-bit_list_or_named(Buffer,Len,[]) ->
- getbits_as_list(Len,Buffer);
-
-%% if there are named bits declared we will return a named
-%% BitList where the names are atoms and unnamed bits represented
-%% as {bit,Pos}
-%% BitList = [atom() | {bit,Pos}]
-%% Pos = integer()
-
-bit_list_or_named(Buffer,Len,NamedNumberList) ->
- {BitList,Rest} = getbits_as_list(Len,Buffer),
- {bit_list_or_named1(0,BitList,NamedNumberList,[]), Rest}.
-
-bit_list_or_named1(Pos,[0|Bt],Names,Acc) ->
- bit_list_or_named1(Pos+1,Bt,Names,Acc);
-bit_list_or_named1(Pos,[1|Bt],Names,Acc) ->
- case lists:keysearch(Pos,2,Names) of
- {value,{Name,_}} ->
- bit_list_or_named1(Pos+1,Bt,Names,[Name|Acc]);
- _ ->
- bit_list_or_named1(Pos+1,Bt,Names,[{bit,Pos}|Acc])
- end;
-bit_list_or_named1(_,[],_,Acc) ->
- lists:reverse(Acc).
-
-
-
-%%%%%%%%%%%%%%%
-%%
-
-int_to_bitlist(Int) when is_integer(Int), Int > 0 ->
- [Int band 1 | int_to_bitlist(Int bsr 1)];
-int_to_bitlist(0) ->
- [].
-
-
-%%%%%%%%%%%%%%%%%%
-%% get_all_bitposes([list of named bits to set], named_bit_db, []) ->
-%% [sorted_list_of_bitpositions_to_set]
-
-get_all_bitposes([{bit,ValPos}|Rest], NamedBitList, Ack) ->
- get_all_bitposes(Rest, NamedBitList, [ValPos | Ack ]);
-
-get_all_bitposes([Val | Rest], NamedBitList, Ack) ->
- case lists:keysearch(Val, 1, NamedBitList) of
- {value, {_ValName, ValPos}} ->
- get_all_bitposes(Rest, NamedBitList, [ValPos | Ack]);
- _ ->
- exit({error,{asn1, {bitstring_namedbit, Val}}})
- end;
-get_all_bitposes([], _NamedBitList, Ack) ->
- lists:sort(Ack).
-
-%%%%%%%%%%%%%%%%%%
-%% make_and_set_list([list of positions to set to 1])->
-%% returns list with all in SetPos set.
-%% in positioning in list the first element is 0, the second 1 etc.., but
-%%
-
-make_and_set_list([XPos|SetPos], XPos) ->
- [1 | make_and_set_list(SetPos, XPos + 1)];
-make_and_set_list([Pos|SetPos], XPos) ->
- [0 | make_and_set_list([Pos | SetPos], XPos + 1)];
-make_and_set_list([], _) ->
- [].
-
-%%%%%%%%%%%%%%%%%
-%% pad_list(N,BitList) -> PaddedList
-%% returns a padded (with trailing {bit,0} elements) list of length N
-%% if Bitlist contains more than N significant bits set an exit asn1_error
-%% is generated
-
-pad_list(N,In={Unused,Bin}) ->
- pad_list(N, size(Bin)*8 - Unused, In).
-
-pad_list(N,Size,In={_,_}) when N < Size ->
- exit({error,{asn1,{range_error,{bit_string,In}}}});
-pad_list(N,Size,{Unused,Bin}) when N > Size, Unused > 0 ->
- pad_list(N,Size+1,{Unused-1,Bin});
-pad_list(N,Size,{_Unused,Bin}) when N > Size ->
- pad_list(N,Size+1,{7,<<Bin/binary,0>>});
-pad_list(N,N,In={_,_}) ->
- In.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% X.691:16
-%% encode_octet_string(Constraint,ExtensionMarker,Val)
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-encode_octet_string(C,Val) ->
- encode_octet_string2(C,Val).
-
-encode_octet_string2(C,{_Name,Val}) ->
- encode_octet_string2(C,Val);
-encode_octet_string2(C,Val) ->
- case get_constraint(C,'SizeConstraint') of
- 0 ->
- [];
- 1 ->
- [V] = Val,
- {bits,8,V};
- 2 ->
- [V1,V2] = Val,
- [{bits,8,V1},{bits,8,V2}];
- Sv when Sv =<65535, Sv == length(Val) -> % fixed length
- {octets,Val};
- {Lb,Ub} ->
- [encode_length({Lb,Ub},length(Val)),{octets,Val}];
- Sv when is_list(Sv) ->
- [encode_length({hd(Sv),lists:max(Sv)},length(Val)),{octets,Val}];
- no ->
- [encode_length(undefined,length(Val)),{octets,Val}]
- end.
-
-decode_octet_string(Bytes,Range) ->
- decode_octet_string(Bytes,Range,false).
-
-decode_octet_string(Bytes,C,false) ->
- case get_constraint(C,'SizeConstraint') of
- 0 ->
- {[],Bytes};
- 1 ->
- {B1,Bytes2} = getbits(Bytes,8),
- {[B1],Bytes2};
- 2 ->
- {Bs,Bytes2}= getbits(Bytes,16),
- {binary_to_list(<<Bs:16>>),Bytes2};
- {_,0} ->
- {[],Bytes};
- Sv when is_integer(Sv), Sv =<65535 -> % fixed length
- getoctets_as_list(Bytes,Sv);
- Sv when is_integer(Sv) -> % fragmented encoding
- Bytes2 = align(Bytes),
- decode_fragmented_octets(Bytes2,Sv);
- {Lb,Ub} ->
- {Len,Bytes2} = decode_length(Bytes,{Lb,Ub}),
- getoctets_as_list(Bytes2,Len);
- Sv when is_list(Sv) ->
- {Len,Bytes2} = decode_length(Bytes,{hd(Sv),lists:max(Sv)}),
- getoctets_as_list(Bytes2,Len);
- no ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- getoctets_as_list(Bytes2,Len)
- end.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Restricted char string types
-%% (NumericString, PrintableString,VisibleString,IA5String,BMPString,UniversalString)
-%% X.691:26 and X.680:34-36
-%%encode_restricted_string(aligned,'BMPString',Constraints,Extension,Val)
-
-
-encode_restricted_string(aligned,{Name,Val}) when is_atom(Name) ->
- encode_restricted_string(aligned,Val);
-
-encode_restricted_string(aligned,Val) when is_list(Val)->
- [encode_length(undefined,length(Val)),{octets,Val}].
-
-encode_known_multiplier_string(aligned,StringType,C,_Ext,{Name,Val}) when is_atom(Name) ->
- encode_known_multiplier_string(aligned,StringType,C,false,Val);
-
-encode_known_multiplier_string(aligned,StringType,C,_Ext,Val) ->
- Result = chars_encode(C,StringType,Val),
- NumBits = get_NumBits(C,StringType),
- case get_constraint(C,'SizeConstraint') of
- Ub when is_integer(Ub), Ub*NumBits =< 16 ->
- Result;
- 0 ->
- [];
- Ub when is_integer(Ub),Ub =<65535 -> % fixed length
- [align,Result];
- {Ub,Lb} ->
- [encode_length({Ub,Lb},length(Val)),align,Result];
- Vl when is_list(Vl) ->
- [encode_length({lists:min(Vl),lists:max(Vl)},length(Val)),align,Result];
- no ->
- [encode_length(undefined,length(Val)),align,Result]
- end.
-
-decode_restricted_string(Bytes,aligned) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- getoctets_as_list(Bytes2,Len).
-
-decode_known_multiplier_string(Bytes,aligned,StringType,C,_Ext) ->
- NumBits = get_NumBits(C,StringType),
- case get_constraint(C,'SizeConstraint') of
- Ub when is_integer(Ub), Ub*NumBits =< 16 ->
- chars_decode(Bytes,NumBits,StringType,C,Ub);
- Ub when is_integer(Ub),Ub =<65535 -> % fixed length
- Bytes1 = align(Bytes),
- chars_decode(Bytes1,NumBits,StringType,C,Ub);
- 0 ->
- {[],Bytes};
- Vl when is_list(Vl) ->
- {Len,Bytes1} = decode_length(Bytes,{hd(Vl),lists:max(Vl)}),
- Bytes2 = align(Bytes1),
- chars_decode(Bytes2,NumBits,StringType,C,Len);
- no ->
- {Len,Bytes1} = decode_length(Bytes,undefined),
- Bytes2 = align(Bytes1),
- chars_decode(Bytes2,NumBits,StringType,C,Len);
- {Lb,Ub}->
- {Len,Bytes1} = decode_length(Bytes,{Lb,Ub}),
- Bytes2 = align(Bytes1),
- chars_decode(Bytes2,NumBits,StringType,C,Len)
- end.
-
-
-encode_NumericString(C,Val) ->
- encode_known_multiplier_string(aligned,'NumericString',C,false,Val).
-decode_NumericString(Bytes,C) ->
- decode_known_multiplier_string(Bytes,aligned,'NumericString',C,false).
-
-encode_PrintableString(C,Val) ->
- encode_known_multiplier_string(aligned,'PrintableString',C,false,Val).
-decode_PrintableString(Bytes,C) ->
- decode_known_multiplier_string(Bytes,aligned,'PrintableString',C,false).
-
-encode_VisibleString(C,Val) -> % equivalent with ISO646String
- encode_known_multiplier_string(aligned,'VisibleString',C,false,Val).
-decode_VisibleString(Bytes,C) ->
- decode_known_multiplier_string(Bytes,aligned,'VisibleString',C,false).
-
-encode_IA5String(C,Val) ->
- encode_known_multiplier_string(aligned,'IA5String',C,false,Val).
-decode_IA5String(Bytes,C) ->
- decode_known_multiplier_string(Bytes,aligned,'IA5String',C,false).
-
-encode_BMPString(C,Val) ->
- encode_known_multiplier_string(aligned,'BMPString',C,false,Val).
-decode_BMPString(Bytes,C) ->
- decode_known_multiplier_string(Bytes,aligned,'BMPString',C,false).
-
-encode_UniversalString(C,Val) ->
- encode_known_multiplier_string(aligned,'UniversalString',C,false,Val).
-decode_UniversalString(Bytes,C) ->
- decode_known_multiplier_string(Bytes,aligned,'UniversalString',C,false).
-
-
-%% end of known-multiplier strings for which PER visible constraints are
-%% applied
-
-encode_GeneralString(_C,Val) ->
- encode_restricted_string(aligned,Val).
-decode_GeneralString(Bytes,_C) ->
- decode_restricted_string(Bytes,aligned).
-
-encode_GraphicString(_C,Val) ->
- encode_restricted_string(aligned,Val).
-decode_GraphicString(Bytes,_C) ->
- decode_restricted_string(Bytes,aligned).
-
-encode_ObjectDescriptor(_C,Val) ->
- encode_restricted_string(aligned,Val).
-decode_ObjectDescriptor(Bytes) ->
- decode_restricted_string(Bytes,aligned).
-
-encode_TeletexString(_C,Val) -> % equivalent with T61String
- encode_restricted_string(aligned,Val).
-decode_TeletexString(Bytes,_C) ->
- decode_restricted_string(Bytes,aligned).
-
-encode_VideotexString(_C,Val) ->
- encode_restricted_string(aligned,Val).
-decode_VideotexString(Bytes,_C) ->
- decode_restricted_string(Bytes,aligned).
-
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% getBMPChars(Bytes,Len) ->{BMPcharList,RemainingBytes}
-%%
-getBMPChars(Bytes,1) ->
- {O1,Bytes2} = getbits(Bytes,8),
- {O2,Bytes3} = getbits(Bytes2,8),
- if
- O1 == 0 ->
- {[O2],Bytes3};
- true ->
- {[{0,0,O1,O2}],Bytes3}
- end;
-getBMPChars(Bytes,Len) ->
- getBMPChars(Bytes,Len,[]).
-
-getBMPChars(Bytes,0,Acc) ->
- {lists:reverse(Acc),Bytes};
-getBMPChars(Bytes,Len,Acc) ->
- {Octs,Bytes1} = getoctets_as_list(Bytes,2),
- case Octs of
- [0,O2] ->
- getBMPChars(Bytes1,Len-1,[O2|Acc]);
- [O1,O2]->
- getBMPChars(Bytes1,Len-1,[{0,0,O1,O2}|Acc])
- end.
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% chars_encode(C,StringType,Value) -> ValueList
-%%
-%% encodes chars according to the per rules taking the constraint PermittedAlphabet
-%% into account.
-%% This function does only encode the value part and NOT the length
-
-chars_encode(C,StringType,Value) ->
- case {StringType,get_constraint(C,'PermittedAlphabet')} of
- {'UniversalString',{_,_Sv}} ->
- exit({error,{asn1,{'not implemented',"UniversalString with PermittedAlphabet constraint"}}});
- {'BMPString',{_,_Sv}} ->
- exit({error,{asn1,{'not implemented',"BMPString with PermittedAlphabet constraint"}}});
- _ ->
- {NumBits,CharOutTab} = {get_NumBits(C,StringType),get_CharOutTab(C,StringType)},
- chars_encode2(Value,NumBits,CharOutTab)
- end.
-
-chars_encode2([H|T],NumBits,{Min,Max,notab}) when H =< Max, H >= Min ->
- [{bits,NumBits,H-Min}|chars_encode2(T,NumBits,{Min,Max,notab})];
-chars_encode2([H|T],NumBits,{Min,Max,Tab}) when H =< Max, H >= Min ->
- [{bits,NumBits,exit_if_false(H,element(H-Min+1,Tab))}|chars_encode2(T,NumBits,{Min,Max,Tab})];
-chars_encode2([{A,B,C,D}|T],NumBits,{Min,Max,notab}) ->
- %% no value range check here (ought to be, but very expensive)
-% [{bits,NumBits,(A*B*C*D)-Min}|chars_encode2(T,NumBits,{Min,Max,notab})];
- [{bits,NumBits,((((((A bsl 8)+B) bsl 8)+C) bsl 8)+D)-Min}|chars_encode2(T,NumBits,{Min,Max,notab})];
-chars_encode2([{A,B,C,D}|T],NumBits,{Min,Max,Tab}) ->
- %% no value range check here (ought to be, but very expensive)
-% [{bits,NumBits,element((A*B*C*D)-Min,Tab)}|chars_encode2(T,NumBits,{Min,Max,notab})];
- [{bits,NumBits,exit_if_false({A,B,C,D},element(((((((A bsl 8)+B) bsl 8)+C) bsl 8)+D)-Min,Tab))}|chars_encode2(T,NumBits,{Min,Max,notab})];
-chars_encode2([H|_T],_,{_,_,_}) ->
- exit({error,{asn1,{illegal_char_value,H}}});
-chars_encode2([],_,_) ->
- [].
-
-exit_if_false(V,false)->
- exit({error,{asn1,{"illegal value according to Permitted alphabet constraint",V}}});
-exit_if_false(_,V) ->V.
-
-
-get_NumBits(C,StringType) ->
- case get_constraint(C,'PermittedAlphabet') of
- {'SingleValue',Sv} ->
- charbits(length(Sv),aligned);
- no ->
- case StringType of
- 'IA5String' ->
- charbits(128,aligned); % 16#00..16#7F
- 'VisibleString' ->
- charbits(95,aligned); % 16#20..16#7E
- 'PrintableString' ->
- charbits(74,aligned); % [$\s,$',$(,$),$+,$,,$-,$.,$/,"0123456789",$:,$=,$?,$A..$Z,$a..$z
- 'NumericString' ->
- charbits(11,aligned); % $ ,"0123456789"
- 'UniversalString' ->
- 32;
- 'BMPString' ->
- 16
- end
- end.
-
-%%Maybe used later
-%%get_MaxChar(C,StringType) ->
-%% case get_constraint(C,'PermittedAlphabet') of
-%% {'SingleValue',Sv} ->
-%% lists:nth(length(Sv),Sv);
-%% no ->
-%% case StringType of
-%% 'IA5String' ->
-%% 16#7F; % 16#00..16#7F
-%% 'VisibleString' ->
-%% 16#7E; % 16#20..16#7E
-%% 'PrintableString' ->
-%% $z; % [$\s,$',$(,$),$+,$,,$-,$.,$/,"0123456789",$:,$=,$?,$A..$Z,$a..$z
-%% 'NumericString' ->
-%% $9; % $ ,"0123456789"
-%% 'UniversalString' ->
-%% 16#ffffffff;
-%% 'BMPString' ->
-%% 16#ffff
-%% end
-%% end.
-
-%%Maybe used later
-%%get_MinChar(C,StringType) ->
-%% case get_constraint(C,'PermittedAlphabet') of
-%% {'SingleValue',Sv} ->
-%% hd(Sv);
-%% no ->
-%% case StringType of
-%% 'IA5String' ->
-%% 16#00; % 16#00..16#7F
-%% 'VisibleString' ->
-%% 16#20; % 16#20..16#7E
-%% 'PrintableString' ->
-%% $\s; % [$\s,$',$(,$),$+,$,,$-,$.,$/,"0123456789",$:,$=,$?,$A..$Z,$a..$z
-%% 'NumericString' ->
-%% $\s; % $ ,"0123456789"
-%% 'UniversalString' ->
-%% 16#00;
-%% 'BMPString' ->
-%% 16#00
-%% end
-%% end.
-
-get_CharOutTab(C,StringType) ->
- get_CharTab(C,StringType,out).
-
-get_CharInTab(C,StringType) ->
- get_CharTab(C,StringType,in).
-
-get_CharTab(C,StringType,InOut) ->
- case get_constraint(C,'PermittedAlphabet') of
- {'SingleValue',Sv} ->
- get_CharTab2(C,StringType,hd(Sv),lists:max(Sv),Sv,InOut);
- no ->
- case StringType of
- 'IA5String' ->
- {0,16#7F,notab};
- 'VisibleString' ->
- get_CharTab2(C,StringType,16#20,16#7F,notab,InOut);
- 'PrintableString' ->
- Chars = lists:sort(
- " '()+,-./0123456789:=?ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"),
- get_CharTab2(C,StringType,hd(Chars),lists:max(Chars),Chars,InOut);
- 'NumericString' ->
- get_CharTab2(C,StringType,16#20,$9," 0123456789",InOut);
- 'UniversalString' ->
- {0,16#FFFFFFFF,notab};
- 'BMPString' ->
- {0,16#FFFF,notab}
- end
- end.
-
-get_CharTab2(C,StringType,Min,Max,Chars,InOut) ->
- BitValMax = (1 bsl get_NumBits(C,StringType))-1,
- if
- Max =< BitValMax ->
- {0,Max,notab};
- true ->
- case InOut of
- out ->
- {Min,Max,create_char_tab(Min,Chars)};
- in ->
- {Min,Max,list_to_tuple(Chars)}
- end
- end.
-
-create_char_tab(Min,L) ->
- list_to_tuple(create_char_tab(Min,L,0)).
-create_char_tab(Min,[Min|T],V) ->
- [V|create_char_tab(Min+1,T,V+1)];
-create_char_tab(_Min,[],_V) ->
- [];
-create_char_tab(Min,L,V) ->
- [false|create_char_tab(Min+1,L,V)].
-
-%% This very inefficient and should be moved to compiletime
-charbits(NumOfChars,aligned) ->
- case charbits(NumOfChars) of
- 1 -> 1;
- 2 -> 2;
- B when B =< 4 -> 4;
- B when B =< 8 -> 8;
- B when B =< 16 -> 16;
- B when B =< 32 -> 32
- end.
-
-charbits(NumOfChars) when NumOfChars =< 2 -> 1;
-charbits(NumOfChars) when NumOfChars =< 4 -> 2;
-charbits(NumOfChars) when NumOfChars =< 8 -> 3;
-charbits(NumOfChars) when NumOfChars =< 16 -> 4;
-charbits(NumOfChars) when NumOfChars =< 32 -> 5;
-charbits(NumOfChars) when NumOfChars =< 64 -> 6;
-charbits(NumOfChars) when NumOfChars =< 128 -> 7;
-charbits(NumOfChars) when NumOfChars =< 256 -> 8;
-charbits(NumOfChars) when NumOfChars =< 512 -> 9;
-charbits(NumOfChars) when NumOfChars =< 1024 -> 10;
-charbits(NumOfChars) when NumOfChars =< 2048 -> 11;
-charbits(NumOfChars) when NumOfChars =< 4096 -> 12;
-charbits(NumOfChars) when NumOfChars =< 8192 -> 13;
-charbits(NumOfChars) when NumOfChars =< 16384 -> 14;
-charbits(NumOfChars) when NumOfChars =< 32768 -> 15;
-charbits(NumOfChars) when NumOfChars =< 65536 -> 16;
-charbits(NumOfChars) when is_integer(NumOfChars) ->
- 16 + charbits1(NumOfChars bsr 16).
-
-charbits1(0) ->
- 0;
-charbits1(NumOfChars) ->
- 1 + charbits1(NumOfChars bsr 1).
-
-
-chars_decode(Bytes,_,'BMPString',C,Len) ->
- case get_constraint(C,'PermittedAlphabet') of
- no ->
- getBMPChars(Bytes,Len);
- _ ->
- exit({error,{asn1,
- {'not implemented',
- "BMPString with PermittedAlphabet constraint"}}})
- end;
-chars_decode(Bytes,NumBits,StringType,C,Len) ->
- CharInTab = get_CharInTab(C,StringType),
- chars_decode2(Bytes,CharInTab,NumBits,Len).
-
-
-chars_decode2(Bytes,CharInTab,NumBits,Len) ->
- chars_decode2(Bytes,CharInTab,NumBits,Len,[]).
-
-chars_decode2(Bytes,_CharInTab,_NumBits,0,Acc) ->
- {lists:reverse(Acc),Bytes};
-chars_decode2(Bytes,{Min,Max,notab},NumBits,Len,Acc) when NumBits > 8 ->
- {Char,Bytes2} = getbits(Bytes,NumBits),
- Result =
- if
- Char < 256 -> Char;
- true ->
- list_to_tuple(binary_to_list(<<Char:32>>))
- end,
- chars_decode2(Bytes2,{Min,Max,notab},NumBits,Len -1,[Result|Acc]);
-% chars_decode2(Bytes,{Min,Max,notab},NumBits,Len,Acc) when NumBits > 8 ->
-% {Char,Bytes2} = getbits(Bytes,NumBits),
-% Result = case minimum_octets(Char+Min) of
-% [NewChar] -> NewChar;
-% [C1,C2] -> {0,0,C1,C2};
-% [C1,C2,C3] -> {0,C1,C2,C3};
-% [C1,C2,C3,C4] -> {C1,C2,C3,C4}
-% end,
-% chars_decode2(Bytes2,{Min,Max,notab},NumBits,Len -1,[Result|Acc]);
-chars_decode2(Bytes,{Min,Max,notab},NumBits,Len,Acc) ->
- {Char,Bytes2} = getbits(Bytes,NumBits),
- chars_decode2(Bytes2,{Min,Max,notab},NumBits,Len -1,[Char+Min|Acc]);
-
-%% BMPString and UniversalString with PermittedAlphabet is currently not supported
-chars_decode2(Bytes,{Min,Max,CharInTab},NumBits,Len,Acc) ->
- {Char,Bytes2} = getbits(Bytes,NumBits),
- chars_decode2(Bytes2,{Min,Max,CharInTab},NumBits,Len -1,[element(Char+1,CharInTab)|Acc]).
-
-
-%% UTF8String
-encode_UTF8String(Val) when is_binary(Val) ->
- [encode_length(undefined,size(Val)),{octets,Val}];
-encode_UTF8String(Val) ->
- Bin = list_to_binary(Val),
- encode_UTF8String(Bin).
-
-decode_UTF8String(Bytes) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- {Octs,Bytes3} = getoctets_as_list(Bytes2,Len),
- {list_to_binary(Octs),Bytes3}.
-
-
- % X.691:17
-encode_null(_) -> []. % encodes to nothing
-%encode_null({Name,Val}) when is_atom(Name) ->
-% encode_null(Val).
-
-decode_null(Bytes) ->
- {'NULL',Bytes}.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% encode_object_identifier(Val) -> CompleteList
-%% encode_object_identifier({Name,Val}) -> CompleteList
-%% Val -> {Int1,Int2,...,IntN} % N >= 2
-%% Name -> atom()
-%% Int1 -> integer(0..2)
-%% Int2 -> integer(0..39) when Int1 (0..1) else integer()
-%% Int3-N -> integer()
-%% CompleteList -> [{bits,8,Val}|{octets,Ol}|align|...]
-%%
-encode_object_identifier({Name,Val}) when is_atom(Name) ->
- encode_object_identifier(Val);
-encode_object_identifier(Val) ->
- OctetList = e_object_identifier(Val),
- Octets = list_to_binary(OctetList), % performs a flatten at the same time
- [{debug,object_identifier},encode_length(undefined,size(Octets)),{octets,Octets}].
-
-%% This code is copied from asn1_encode.erl (BER) and corrected and modified
-
-e_object_identifier({'OBJECT IDENTIFIER',V}) ->
- e_object_identifier(V);
-e_object_identifier({Cname,V}) when is_atom(Cname),is_tuple(V) ->
- e_object_identifier(tuple_to_list(V));
-e_object_identifier({Cname,V}) when is_atom(Cname),is_list(V) ->
- e_object_identifier(V);
-e_object_identifier(V) when is_tuple(V) ->
- e_object_identifier(tuple_to_list(V));
-
-%% E1 = 0|1|2 and (E2 < 40 when E1 = 0|1)
-e_object_identifier([E1,E2|Tail]) when E1 >= 0, E1 < 2, E2 < 40 ; E1==2 ->
- Head = 40*E1 + E2, % weird
- e_object_elements([Head|Tail],[]);
-e_object_identifier(Oid=[_,_|_Tail]) ->
- exit({error,{asn1,{'illegal_value',Oid}}}).
-
-e_object_elements([],Acc) ->
- lists:reverse(Acc);
-e_object_elements([H|T],Acc) ->
- e_object_elements(T,[e_object_element(H)|Acc]).
-
-e_object_element(Num) when Num < 128 ->
- [Num];
-e_object_element(Num) ->
- [e_o_e(Num bsr 7)|[Num band 2#1111111]].
-e_o_e(Num) when Num < 128 ->
- Num bor 2#10000000;
-e_o_e(Num) ->
- [e_o_e(Num bsr 7)|[(Num band 2#1111111) bor 2#10000000]].
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% decode_object_identifier(Bytes) -> {ObjId,RemainingBytes}
-%% ObjId -> {integer(),integer(),...} % at least 2 integers
-%% RemainingBytes -> [integer()] when integer() (0..255)
-decode_object_identifier(Bytes) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- {Octs,Bytes3} = getoctets_as_list(Bytes2,Len),
- [First|Rest] = dec_subidentifiers(Octs,0,[]),
- Idlist = if
- First < 40 ->
- [0,First|Rest];
- First < 80 ->
- [1,First - 40|Rest];
- true ->
- [2,First - 80|Rest]
- end,
- {list_to_tuple(Idlist),Bytes3}.
-
-dec_subidentifiers([H|T],Av,Al) when H >=16#80 ->
- dec_subidentifiers(T,(Av bsl 7) + (H band 16#7F),Al);
-dec_subidentifiers([H|T],Av,Al) ->
- dec_subidentifiers(T,0,[(Av bsl 7) + H |Al]);
-dec_subidentifiers([],_Av,Al) ->
- lists:reverse(Al).
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% encode_relative_oid(Val) -> CompleteList
-%% encode_relative_oid({Name,Val}) -> CompleteList
-encode_relative_oid({Name,Val}) when is_atom(Name) ->
- encode_relative_oid(Val);
-encode_relative_oid(Val) when is_tuple(Val) ->
- encode_relative_oid(tuple_to_list(Val));
-encode_relative_oid(Val) when is_list(Val) ->
- Octets = list_to_binary([e_object_element(X)||X <- Val]),
- [encode_length(undefined,size(Octets)),{octets,Octets}].
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% decode_relative_oid(Val) -> {ROID,Rest}
-%% decode_relative_oid({Name,Val}) -> {ROID,Rest}
-decode_relative_oid(Bytes) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- {Octs,Bytes3} = getoctets_as_list(Bytes2,Len),
- ObjVals = dec_subidentifiers(Octs,0,[]),
- {list_to_tuple(ObjVals),Bytes3}.
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% encode_real(Val) -> CompleteList
-%% encode_real({Name,Val}) -> CompleteList
-encode_real({Name,Val}) when is_atom(Name) ->
- encode_real(Val);
-encode_real(Real) ->
- {EncVal,Len} = ?RT_COMMON:encode_real([],Real),
- [encode_length(undefined,Len),{octets,EncVal}].
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% decode_real(Val) -> {REALvalue,Rest}
-%% decode_real({Name,Val}) -> {REALvalue,Rest}
-decode_real(Bytes) ->
- {Len,{0,Bytes2}} = decode_length(Bytes,undefined),
- {RealVal,Rest,Len} = ?RT_COMMON:decode_real(Bytes2,Len),
- {RealVal,{0,Rest}}.
-
-
-get_constraint([{Key,V}],Key) ->
- V;
-get_constraint([],_Key) ->
- no;
-get_constraint(C,Key) ->
- case lists:keysearch(Key,1,C) of
- false ->
- no;
- {value,{_,V}} ->
- V
- end.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% complete(InList) -> ByteList
-%% Takes a coded list with bits and bytes and converts it to a list of bytes
-%% Should be applied as the last step at encode of a complete ASN.1 type
-%%
-
-% complete(L) ->
-% case complete1(L) of
-% {[],0} ->
-% <<0>>;
-% {Acc,0} ->
-% lists:reverse(Acc);
-% {[Hacc|Tacc],Acclen} -> % Acclen >0
-% Rest = 8 - Acclen,
-% NewHacc = Hacc bsl Rest,
-% lists:reverse([NewHacc|Tacc])
-% end.
-
-
-% complete1(InList) when is_list(InList) ->
-% complete1(InList,[]);
-% complete1(InList) ->
-% complete1([InList],[]).
-
-% complete1([{debug,_}|T], Acc) ->
-% complete1(T,Acc);
-% complete1([H|T],Acc) when is_list(H) ->
-% {NewH,NewAcclen} = complete1(H,Acc),
-% complete1(T,NewH,NewAcclen);
-
-% complete1([{0,Bin}|T],Acc,0) when is_binary(Bin) ->
-% complete1(T,[Bin|Acc],0);
-% complete1([{Unused,Bin}|T],Acc,0) when is_integer(Unused),is_binary(Bin) ->
-% Size = size(Bin)-1,
-% <<Bs:Size/binary,B>> = Bin,
-% complete1(T,[(B bsr Unused),Bs|Acc],8-Unused);
-% complete1([{Unused,Bin}|T],[Hacc|Tacc],Acclen) when is_integer(Unused),is_binary(Bin) ->
-% Rest = 8 - Acclen,
-% Used = 8 - Unused,
-% case size(Bin) of
-% 1 ->
-% if
-% Rest >= Used ->
-% <<B:Used,_:Unused>> = Bin,
-% complete1(T,[(Hacc bsl Used) + B|Tacc],
-% (Acclen+Used) rem 8);
-% true ->
-% LeftOver = 8 - Rest - Unused,
-% <<Val2:Rest,Val1:LeftOver,_:Unused>> = Bin,
-% complete1(T,[Val1,(Hacc bsl Rest) + Val2|Tacc],
-% (Acclen+Used) rem 8)
-% end;
-% N ->
-% if
-% Rest == Used ->
-% N1 = N - 1,
-% <<B:Rest,Bs:N1/binary,_:Unused>> = Bin,
-% complete1(T,[Bs,(Hacc bsl Rest) + B|Tacc],0);
-% Rest > Used ->
-% N1 = N - 2,
-% N2 = (8 - Rest) + Used,
-% <<B1:Rest,Bytes:N1/binary,B2:N2,_:Unused>> = Bin,
-% complete1(T,[B2,Bytes,(Hacc bsl Rest) + B1|Tacc],
-% (Acclen + Used) rem 8);
-% true -> % Rest < Used
-% N1 = N - 1,
-% N2 = Used - Rest,
-% <<B1:Rest,Bytes:N1/binary,B2:N2,_:Unused>> = Bin,
-% complete1(T,[B2,Bytes,(Hacc bsl Rest) + B1|Tacc],
-% (Acclen + Used) rem 8)
-% end
-% end;
-
-% %complete1([{octets,N,Val}|T],Acc,Acclen) when N =< 4 ,is_integer(Val) ->
-% % complete1([{octets,<<Val:N/unit:8>>}|T],Acc,Acclen);
-% complete1([{octets,N,Val}|T],Acc,Acclen) when N =< 4 ,is_integer(Val) ->
-% Newval = case N of
-% 1 ->
-% Val4 = Val band 16#FF,
-% [Val4];
-% 2 ->
-% Val3 = (Val bsr 8) band 16#FF,
-% Val4 = Val band 16#FF,
-% [Val3,Val4];
-% 3 ->
-% Val2 = (Val bsr 16) band 16#FF,
-% Val3 = (Val bsr 8) band 16#FF,
-% Val4 = Val band 16#FF,
-% [Val2,Val3,Val4];
-% 4 ->
-% Val1 = (Val bsr 24) band 16#FF,
-% Val2 = (Val bsr 16) band 16#FF,
-% Val3 = (Val bsr 8) band 16#FF,
-% Val4 = Val band 16#FF,
-% [Val1,Val2,Val3,Val4]
-% end,
-% complete1([{octets,Newval}|T],Acc,Acclen);
-
-% complete1([{octets,Bin}|T],Acc,Acclen) when is_binary(Bin) ->
-% Rest = 8 - Acclen,
-% if
-% Rest == 8 ->
-% complete1(T,[Bin|Acc],0);
-% true ->
-% [Hacc|Tacc]=Acc,
-% complete1(T,[Bin, Hacc bsl Rest|Tacc],0)
-% end;
-
-% complete1([{octets,Oct}|T],Acc,Acclen) when is_list(Oct) ->
-% Rest = 8 - Acclen,
-% if
-% Rest == 8 ->
-% complete1(T,[list_to_binary(Oct)|Acc],0);
-% true ->
-% [Hacc|Tacc]=Acc,
-% complete1(T,[list_to_binary(Oct), Hacc bsl Rest|Tacc],0)
-% end;
-
-% complete1([{bit,Val}|T], Acc, Acclen) ->
-% complete1([{bits,1,Val}|T],Acc,Acclen);
-% complete1([{octet,Val}|T], Acc, Acclen) ->
-% complete1([{octets,1,Val}|T],Acc,Acclen);
-
-% complete1([{bits,N,Val}|T], Acc, 0) when N =< 8 ->
-% complete1(T,[Val|Acc],N);
-% complete1([{bits,N,Val}|T], [Hacc|Tacc], Acclen) when N =< 8 ->
-% Rest = 8 - Acclen,
-% if
-% Rest >= N ->
-% complete1(T,[(Hacc bsl N) + Val|Tacc],(Acclen+N) rem 8);
-% true ->
-% Diff = N - Rest,
-% NewHacc = (Hacc bsl Rest) + (Val bsr Diff),
-% Mask = element(Diff,{1,3,7,15,31,63,127,255}),
-% complete1(T,[(Val band Mask),NewHacc|Tacc],(Acclen+N) rem 8)
-% end;
-% complete1([{bits,N,Val}|T], Acc, Acclen) -> % N > 8
-% complete1([{bits,N-8,Val bsr 8},{bits,8,Val band 255}|T],Acc,Acclen);
-
-% complete1([align|T],Acc,0) ->
-% complete1(T,Acc,0);
-% complete1([align|T],[Hacc|Tacc],Acclen) ->
-% Rest = 8 - Acclen,
-% complete1(T,[Hacc bsl Rest|Tacc],0);
-% complete1([{octets,N,Val}|T],Acc,Acclen) when is_list(Val) -> % no security check here
-% complete1([{octets,Val}|T],Acc,Acclen);
-
-% complete1([],Acc,Acclen) ->
-% {Acc,Acclen}.
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% complete(InList) -> ByteList
-%% Takes a coded list with bits and bytes and converts it to a list of bytes
-%% Should be applied as the last step at encode of a complete ASN.1 type
-%%
-
-complete(L) ->
- case complete1(L) of
- {[],[]} ->
- <<0>>;
- {Acc,[]} ->
- Acc;
- {Acc,Bacc} ->
- [Acc|complete_bytes(Bacc)]
- end.
-
-%% this function builds the ugly form of lists [E1|E2] to avoid having to reverse it at the end.
-%% this is done because it is efficient and that the result always will be sent on a port or
-%% converted by means of list_to_binary/1
-complete1(InList) when is_list(InList) ->
- complete1(InList,[],[]);
-complete1(InList) ->
- complete1([InList],[],[]).
-
-complete1([],Acc,Bacc) ->
- {Acc,Bacc};
-complete1([H|T],Acc,Bacc) when is_list(H) ->
- {NewH,NewBacc} = complete1(H,Acc,Bacc),
- complete1(T,NewH,NewBacc);
-
-complete1([{octets,Bin}|T],Acc,[]) ->
- complete1(T,[Acc|Bin],[]);
-
-complete1([{octets,Bin}|T],Acc,Bacc) ->
- complete1(T,[Acc|[complete_bytes(Bacc),Bin]],[]);
-
-complete1([{debug,_}|T], Acc,Bacc) ->
- complete1(T,Acc,Bacc);
-
-complete1([{bits,N,Val}|T],Acc,Bacc) ->
- complete1(T,Acc,complete_update_byte(Bacc,Val,N));
-
-complete1([{bit,Val}|T],Acc,Bacc) ->
- complete1(T,Acc,complete_update_byte(Bacc,Val,1));
-
-complete1([align|T],Acc,[]) ->
- complete1(T,Acc,[]);
-complete1([align|T],Acc,Bacc) ->
- complete1(T,[Acc|complete_bytes(Bacc)],[]);
-complete1([{0,Bin}|T],Acc,[]) when is_binary(Bin) ->
- complete1(T,[Acc|Bin],[]);
-complete1([{Unused,Bin}|T],Acc,[]) when is_integer(Unused),is_binary(Bin) ->
- Size = size(Bin)-1,
- <<Bs:Size/binary,B>> = Bin,
- NumBits = 8-Unused,
- complete1(T,[Acc|Bs],[[B bsr Unused]|NumBits]);
-complete1([{Unused,Bin}|T],Acc,Bacc) when is_integer(Unused),is_binary(Bin) ->
- Size = size(Bin)-1,
- <<Bs:Size/binary,B>> = Bin,
- NumBits = 8 - Unused,
- Bf = complete_bytes(Bacc),
- complete1(T,[Acc|[Bf,Bs]],[[B bsr Unused]|NumBits]).
-
-
-complete_update_byte([],Val,Len) ->
- complete_update_byte([[0]|0],Val,Len);
-complete_update_byte([[Byte|Bacc]|NumBits],Val,Len) when NumBits + Len == 8 ->
- [[0,((Byte bsl Len) + Val) band 255|Bacc]|0];
-complete_update_byte([[Byte|Bacc]|NumBits],Val,Len) when NumBits + Len > 8 ->
- Rem = 8 - NumBits,
- Rest = Len - Rem,
- complete_update_byte([[0,((Byte bsl Rem) + (Val bsr Rest)) band 255 |Bacc]|0],Val,Rest);
-complete_update_byte([[Byte|Bacc]|NumBits],Val,Len) ->
- [[((Byte bsl Len) + Val) band 255|Bacc]|NumBits+Len].
-
-
-complete_bytes([[_Byte|Bacc]|0]) ->
- lists:reverse(Bacc);
-complete_bytes([[Byte|Bacc]|NumBytes]) ->
- lists:reverse([(Byte bsl (8-NumBytes)) band 255|Bacc]);
-complete_bytes([]) ->
- [].
-
-% complete_bytes(L) ->
-% complete_bytes1(lists:reverse(L),[],[],0,0).
-
-% complete_bytes1([H={V,B}|T],Acc,ReplyAcc,NumBits,NumFields) when ((NumBits+B) rem 8) == 0 ->
-% NewReplyAcc = [complete_bytes2([H|Acc],0)|ReplyAcc],
-% complete_bytes1(T,[],NewReplyAcc,0,0);
-% complete_bytes1([H={V,B}|T],Acc,ReplyAcc,NumBits,NumFields) when NumFields == 7; (NumBits+B) div 8 > 0 ->
-% Rem = (NumBits+B) rem 8,
-% NewReplyAcc = [complete_bytes2([{V bsr Rem,B - Rem}|Acc],0)|ReplyAcc],
-% complete_bytes1([{V,Rem}|T],[],NewReplyAcc,0,0);
-% complete_bytes1([H={V,B}|T],Acc,ReplyAcc,NumBits,NumFields) ->
-% complete_bytes1(T,[H|Acc],ReplyAcc,NumBits+B,NumFields+1);
-% complete_bytes1([],[],ReplyAcc,_,_) ->
-% lists:reverse(ReplyAcc);
-% complete_bytes1([],Acc,ReplyAcc,NumBits,_) ->
-% PadBits = case NumBits rem 8 of
-% 0 -> 0;
-% Rem -> 8 - Rem
-% end,
-% lists:reverse([complete_bytes2(Acc,PadBits)|ReplyAcc]).
-
-
-% complete_bytes2([{V1,B1}],PadBits) ->
-% <<V1:B1,0:PadBits>>;
-% complete_bytes2([{V2,B2},{V1,B1}],PadBits) ->
-% <<V1:B1,V2:B2,0:PadBits>>;
-% complete_bytes2([{V3,B3},{V2,B2},{V1,B1}],PadBits) ->
-% <<V1:B1,V2:B2,V3:B3,0:PadBits>>;
-% complete_bytes2([{V4,B4},{V3,B3},{V2,B2},{V1,B1}],PadBits) ->
-% <<V1:B1,V2:B2,V3:B3,V4:B4,0:PadBits>>;
-% complete_bytes2([{V5,B5},{V4,B4},{V3,B3},{V2,B2},{V1,B1}],PadBits) ->
-% <<V1:B1,V2:B2,V3:B3,V4:B4,V5:B5,0:PadBits>>;
-% complete_bytes2([{V6,B6},{V5,B5},{V4,B4},{V3,B3},{V2,B2},{V1,B1}],PadBits) ->
-% <<V1:B1,V2:B2,V3:B3,V4:B4,V5:B5,V6:B6,0:PadBits>>;
-% complete_bytes2([{V7,B7},{V6,B6},{V5,B5},{V4,B4},{V3,B3},{V2,B2},{V1,B1}],PadBits) ->
-% <<V1:B1,V2:B2,V3:B3,V4:B4,V5:B5,V6:B6,V7:B7,0:PadBits>>;
-% complete_bytes2([{V8,B8},{V7,B7},{V6,B6},{V5,B5},{V4,B4},{V3,B3},{V2,B2},{V1,B1}],PadBits) ->
-% <<V1:B1,V2:B2,V3:B3,V4:B4,V5:B5,V6:B6,V7:B7,V8:B8,0:PadBits>>.
-
-
-
-
-
-
diff --git a/lib/asn1/src/asn1rt_per_bin_rt2ct.erl b/lib/asn1/src/asn1rt_per_bin_rt2ct.erl
index 1df757a47f..5997232f13 100644
--- a/lib/asn1/src/asn1rt_per_bin_rt2ct.erl
+++ b/lib/asn1/src/asn1rt_per_bin_rt2ct.erl
@@ -22,25 +22,21 @@
-include("asn1_records.hrl").
--export([dec_fixup/3, cindex/3, list_to_record/2]).
+-export([decode_fragmented/3]).
-export([setchoiceext/1, setext/1, fixoptionals/3, fixextensions/2,
- getext/1, getextension/2, skipextensions/3, getbit/1, getchoice/3 ]).
--export([getoptionals/2, getoptionals2/2,
- set_choice/3, encode_integer/2, encode_integer/3 ]).
--export([decode_integer/2, decode_integer/3, encode_small_number/1,
- decode_boolean/1, encode_length/2, decode_length/1, decode_length/2,
- encode_small_length/1, decode_small_length/1,
+ skipextensions/3, getbit/1, getchoice/3 ]).
+-export([set_choice/3, encode_integer/2, encode_integer/3 ]).
+-export([encode_small_number/1,
+ encode_length/2,
+ encode_small_length/1,
decode_compact_bit_string/3]).
--export([decode_enumerated/3,
- encode_bit_string/3, decode_bit_string/3 ]).
--export([encode_octet_string/2, decode_octet_string/2,
- encode_null/1, decode_null/1,
+-export([encode_bit_string/3, decode_bit_string/3 ]).
+-export([encode_octet_string/2,
encode_object_identifier/1, decode_object_identifier/1,
encode_real/1, decode_real/1,
encode_relative_oid/1, decode_relative_oid/1,
complete/1]).
-
-export([encode_open_type/2, decode_open_type/2]).
-export([encode_GeneralString/2, decode_GeneralString/2,
@@ -51,19 +47,10 @@
encode_UTF8String/1,decode_UTF8String/1
]).
--export([decode_constrained_number/2,
- decode_constrained_number/3,
- decode_unconstrained_number/1,
- decode_semi_constrained_number/2,
- encode_unconstrained_number/1,
- decode_constrained_number/4,
+-export([encode_unconstrained_number/1,
encode_octet_string/3,
- decode_octet_string/3,
encode_known_multiplier_string/5,
- decode_known_multiplier_string/5,
- getoctets/2, getbits/2
-% start_drv/1,start_drv2/1,init_drv/1
- ]).
+ decode_known_multiplier_string/5]).
-export([eint_positive/1]).
@@ -73,32 +60,6 @@
-define('32K',32768).
-define('64K',65536).
-%%-define(nodriver,true).
-
-dec_fixup(Terms,Cnames,RemBytes) ->
- dec_fixup(Terms,Cnames,RemBytes,[]).
-
-dec_fixup([novalue|T],[_Hc|Tc],RemBytes,Acc) ->
- dec_fixup(T,Tc,RemBytes,Acc);
-dec_fixup([{_Name,novalue}|T],[_Hc|Tc],RemBytes,Acc) ->
- dec_fixup(T,Tc,RemBytes,Acc);
-dec_fixup([H|T],[Hc|Tc],RemBytes,Acc) ->
- dec_fixup(T,Tc,RemBytes,[{Hc,H}|Acc]);
-dec_fixup([],_Cnames,RemBytes,Acc) ->
- {lists:reverse(Acc),RemBytes}.
-
-cindex(Ix,Val,Cname) ->
- case element(Ix,Val) of
- {Cname,Val2} -> Val2;
- X -> X
- end.
-
-%% converts a list to a record if necessary
-list_to_record(_,Tuple) when is_tuple(Tuple) ->
- Tuple;
-list_to_record(Name,List) when is_list(List) ->
- list_to_tuple([Name|List]).
-
%%--------------------------------------------------------
%% setchoiceext(InRootSet) -> [{bit,X}]
%% X is set to 1 when InRootSet==false
@@ -143,15 +104,6 @@ fixoptionals([Pos|Ot],Val,Acc) ->
end.
-getext(Bytes) when is_bitstring(Bytes) ->
- getbit(Bytes).
-
-getextension(0, Bytes) ->
- {<<>>,Bytes};
-getextension(1, Bytes) ->
- {Len,Bytes2} = decode_small_length(Bytes),
- getbits_as_binary(Len,Bytes2).% {Bin,Bytes3}.
-
fixextensions({ext,ExtPos,ExtNum},Val) ->
case fixextensions(ExtPos,ExtNum+ExtPos,Val,0) of
0 -> [];
@@ -194,14 +146,6 @@ getchoice(Bytes,_,1) ->
getchoice(Bytes,NumChoices,0) ->
decode_constrained_number(Bytes,{0,NumChoices-1}).
-%% old version kept for backward compatibility with generates from R7B01
-getoptionals(Bytes,NumOpt) ->
- getbits_as_binary(NumOpt,Bytes).
-
-%% new version used in generates from r8b_patch/3 and later
-getoptionals2(Bytes,NumOpt) ->
- {_,_} = getbits(Bytes,NumOpt).
-
%% getbits_as_binary(Num,Bytes) -> {Bin,Rest}
%% Num = integer(),
@@ -344,32 +288,6 @@ decode_fragmented_bits(<<0:1,Len:7,Bin/binary>>,C,Acc) ->
exit({error,{asn1,{illegal_value,C,BinBits}}})
end.
-
-decode_fragmented_octets(Bin,C) ->
- decode_fragmented_octets(Bin,C,[]).
-
-decode_fragmented_octets(<<3:2,Len:6,Bin/binary>>,C,Acc) ->
- {Value,Bin2} = split_binary(Bin,Len * ?'16K'),
- decode_fragmented_octets(Bin2,C,[Value|Acc]);
-decode_fragmented_octets(<<0:1,0:7,Bin/binary>>,C,Acc) ->
- Octets = list_to_binary(lists:reverse(Acc)),
- case C of
- Int when is_integer(Int), C == size(Octets) ->
- {Octets,Bin};
- Int when is_integer(Int) ->
- exit({error,{asn1,{illegal_value,C,Octets}}})
- end;
-decode_fragmented_octets(<<0:1,Len:7,Bin/binary>>,C,Acc) ->
- <<Value:Len/binary-unit:8,Bin2/binary>> = Bin,
- BinOctets = list_to_binary(lists:reverse([Value|Acc])),
- case C of
- Int when is_integer(Int),size(BinOctets) == Int ->
- {BinOctets,Bin2};
- Int when is_integer(Int) ->
- exit({error,{asn1,{illegal_value,C,BinOctets}}})
- end.
-
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% encode_open_type(Constraint, Value) -> CompleteList
@@ -454,40 +372,6 @@ encode_integer(_,Val) ->
exit({error,{asn1,{illegal_value,Val}}}).
-
-decode_integer(Buffer,Range,NamedNumberList) ->
- {Val,Buffer2} = decode_integer(Buffer,Range),
- case lists:keysearch(Val,2,NamedNumberList) of
- {value,{NewVal,_}} -> {NewVal,Buffer2};
- _ -> {Val,Buffer2}
- end.
-
-decode_integer(Buffer,[{Rc,_Ec}]) when is_tuple(Rc) ->
- {Ext,Buffer2} = getext(Buffer),
- case Ext of
- 0 -> decode_integer(Buffer2,[Rc]);
- 1 -> decode_unconstrained_number(Buffer2)
- end;
-decode_integer(Buffer,undefined) ->
- decode_unconstrained_number(Buffer);
-decode_integer(Buffer,C) ->
- case get_constraint(C,'SingleValue') of
- V when is_integer(V) ->
- {V,Buffer};
- _ ->
- decode_integer1(Buffer,C)
- end.
-
-decode_integer1(Buffer,C) ->
- case VR = get_constraint(C,'ValueRange') of
- no ->
- decode_unconstrained_number(Buffer);
- {Lb, 'MAX'} ->
- decode_semi_constrained_number(Buffer,Lb);
- {_Lb,_Ub} ->
- decode_constrained_number(Buffer,VR)
- end.
-
%% X.691:10.6 Encoding of a normally small non-negative whole number
%% Use this for encoding of CHOICE index if there is an extension marker in
%% the CHOICE
@@ -507,7 +391,7 @@ decode_small_number(Bytes) ->
0 ->
getbits(Bytes2,6);
1 ->
- decode_semi_constrained_number(Bytes2,0)
+ decode_semi_constrained_number(Bytes2)
end.
%% X.691:10.7 Encoding of a semi-constrained whole number
@@ -530,12 +414,10 @@ encode_semi_constrained_number(Lb,Val) ->
[encode_length(undefined,Len),[21,<<Len:16>>,Oct]]
end.
-decode_semi_constrained_number(Bytes,{Lb,_}) ->
- decode_semi_constrained_number(Bytes,Lb);
-decode_semi_constrained_number(Bytes,Lb) ->
+decode_semi_constrained_number(Bytes) ->
{Len,Bytes2} = decode_length(Bytes,undefined),
{V,Bytes3} = getoctets(Bytes2,Len),
- {V+Lb,Bytes3}.
+ {V,Bytes3}.
encode_constrained_number({Lb,_Ub},_Range,{bits,N},Val) ->
Val2 = Val-Lb,
@@ -609,7 +491,7 @@ encode_constrained_number({Lb,Ub},Val) when Val >= Lb, Ub >= Val ->
RangeOcts = binary:encode_unsigned(Range - 1),
OctsLen = erlang:byte_size(Octs),
RangeOctsLen = erlang:byte_size(RangeOcts),
- LengthBitsNeeded = asn1rt_per_bin:minimum_bits(RangeOctsLen - 1),
+ LengthBitsNeeded = minimum_bits(RangeOctsLen - 1),
[10,LengthBitsNeeded,OctsLen-1,20,OctsLen,Octs];
true ->
exit({not_supported,{integer_range,Range}})
@@ -621,13 +503,6 @@ decode_constrained_number(Buffer,VR={Lb,Ub}) ->
Range = Ub - Lb + 1,
decode_constrained_number(Buffer,VR,Range).
-decode_constrained_number(Buffer,{Lb,_Ub},_Range,{bits,N}) ->
- {Val,Remain} = getbits(Buffer,N),
- {Val+Lb,Remain};
-decode_constrained_number(Buffer,{Lb,_Ub},_Range,{octets,N}) ->
- {Val,Remain} = getoctets(Buffer,N),
- {Val+Lb,Remain}.
-
decode_constrained_number(Buffer,{Lb,_Ub},Range) ->
% Val2 = Val - Lb,
{Val,Remain} =
@@ -665,6 +540,16 @@ decode_constrained_number(Buffer,{Lb,_Ub},Range) ->
end,
{Val+Lb,Remain}.
+%% For some reason the minimum bits needed in the length field in
+%% the encoding of constrained whole numbers must always be at least 2?
+minimum_bits(N) when N < 4 -> 2;
+minimum_bits(N) when N < 8 -> 3;
+minimum_bits(N) when N < 16 -> 4;
+minimum_bits(N) when N < 32 -> 5;
+minimum_bits(N) when N < 64 -> 6;
+minimum_bits(N) when N < 128 -> 7;
+minimum_bits(_N) -> 8.
+
%% X.691:10.8 Encoding of an unconstrained whole number
encode_unconstrained_number(Val) when Val >= 0 ->
@@ -718,23 +603,6 @@ enint(-1, [B1|T]) when B1 > 127 ->
enint(N, Acc) ->
enint(N bsr 8, [N band 16#ff|Acc]).
-decode_unconstrained_number(Bytes) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- {Ints,Bytes3} = getoctets_as_bin(Bytes2,Len),
- {dec_integer(Ints),Bytes3}.
-
-dec_integer(Bin = <<0:1,_:7,_/binary>>) ->
- decpint(Bin);
-dec_integer(<<_:1,B:7,BitStr/bitstring>>) ->
- Size = bit_size(BitStr),
- <<I:Size>> = BitStr,
- (-128 + B) bsl bit_size(BitStr) bor I.
-
-decpint(Bin) ->
- Size = bit_size(Bin),
- <<Int:Size>> = Bin,
- Int.
-
%% X.691:10.9 Encoding of a length determinant
%%encode_small_length(undefined,Len) -> % null means no UpperBound
%% encode_small_number(Len).
@@ -779,18 +647,6 @@ encode_small_length(Len) ->
[1,encode_length(undefined,Len)].
-decode_small_length(Buffer) ->
- case getbit(Buffer) of
- {0,Remain} ->
- {Bits,Remain2} = getbits(Remain,6),
- {Bits+1,Remain2};
- {1,Remain} ->
- decode_length(Remain,undefined)
- end.
-
-decode_length(Buffer) ->
- decode_length(Buffer,undefined).
-
decode_length(Buffer,undefined) -> % un-constrained
case align(Buffer) of
<<0:1,Oct:7,Rest/binary>> ->
@@ -833,38 +689,6 @@ decode_length(Buffer,SingleValue) when is_integer(SingleValue) ->
{SingleValue,Buffer}.
- % X.691:11
-decode_boolean(Buffer) -> %when record(Buffer,buffer)
- case getbit(Buffer) of
- {1,Remain} -> {true,Remain};
- {0,Remain} -> {false,Remain}
- end.
-
-
-%% ENUMERATED with extension marker
-decode_enumerated(Buffer,C,{Ntup1,Ntup2}) when is_tuple(Ntup1), is_tuple(Ntup2) ->
- {Ext,Buffer2} = getext(Buffer),
- case Ext of
- 0 -> % not an extension value
- {Val,Buffer3} = decode_integer(Buffer2,C),
- case catch (element(Val+1,Ntup1)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer3};
- _Error -> exit({error,{asn1,{decode_enumerated,{Val,[Ntup1,Ntup2]}}}})
- end;
- 1 -> % this an extension value
- {Val,Buffer3} = decode_small_number(Buffer2),
- case catch (element(Val+1,Ntup2)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer3};
- _ -> {{asn1_enum,Val},Buffer3}
- end
- end;
-
-decode_enumerated(Buffer,C,NamedNumberTup) when is_tuple(NamedNumberTup) ->
- {Val,Buffer2} = decode_integer(Buffer,C),
- case catch (element(Val+1,NamedNumberTup)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer2};
- _Error -> exit({error,{asn1,{decode_enumerated,{Val,NamedNumberTup}}}})
- end.
%%===============================================================================
%%===============================================================================
@@ -1315,49 +1139,74 @@ encode_octet_string(SZ={_,_},false,Val) ->
% [encode_length(SZ,length(Val)),align,
% {octets,Val}];
Len = length(Val),
- [encode_length(SZ,Len),2,
- octets_to_complete(Len,Val)];
+ try
+ [encode_length(SZ,Len),2,
+ octets_to_complete(Len,Val)]
+ catch
+ exit:{error,{asn1,{encode_length,_}}} ->
+ encode_fragmented_octet_string(Val)
+ end;
encode_octet_string(SZ,false,Val) when is_list(SZ) ->
Len = length(Val),
- [encode_length({hd(SZ),lists:max(SZ)},Len),2,
- octets_to_complete(Len,Val)];
+ try
+ [encode_length({hd(SZ),lists:max(SZ)},Len),2,
+ octets_to_complete(Len,Val)]
+ catch
+ exit:{error,{asn1,{encode_length,_}}} ->
+ encode_fragmented_octet_string(Val)
+ end;
+encode_octet_string(Sv,false,Val) when is_integer(Sv) ->
+ encode_fragmented_octet_string(Val);
encode_octet_string(no,false,Val) ->
Len = length(Val),
- [encode_length(undefined,Len),2,
- octets_to_complete(Len,Val)];
+ try
+ [encode_length(undefined,Len),2,
+ octets_to_complete(Len,Val)]
+ catch
+ exit:{error,{asn1,{encode_length,_}}} ->
+ encode_fragmented_octet_string(Val)
+ end;
encode_octet_string(C,_,_) ->
exit({error,{not_implemented,C}}).
-
-decode_octet_string(Bytes,Range) ->
- decode_octet_string(Bytes,Range,false).
-
-decode_octet_string(<<B1,Bytes/bitstring>>,1,false) ->
-%% {B1,Bytes2} = getbits(Bytes,8),
- {[B1],Bytes};
-decode_octet_string(<<B1,B2,Bytes/bitstring>>,2,false) ->
-%% {Bs,Bytes2}= getbits(Bytes,16),
-%% {binary_to_list(<<Bs:16>>),Bytes2};
- {[B1,B2],Bytes};
-decode_octet_string(Bytes,Sv,false) when is_integer(Sv),Sv=<65535 ->
- %% Bytes2 = align(Bytes),
- %% getoctets_as_list aligns buffer before it picks octets
- getoctets_as_list(Bytes,Sv);
-decode_octet_string(Bytes,Sv,false) when is_integer(Sv) ->
- Bytes2 = align(Bytes),
- decode_fragmented_octets(Bytes2,Sv);
-decode_octet_string(Bytes,{Lb,Ub},false) ->
- {Len,Bytes2} = decode_length(Bytes,{Lb,Ub}),
-%% Bytes3 = align(Bytes2),
- getoctets_as_list(Bytes2,Len);
-decode_octet_string(Bytes,Sv,false) when is_list(Sv) ->
- {Len,Bytes2} = decode_length(Bytes,{hd(Sv),lists:max(Sv)}),
-%% Bytes3 = align(Bytes2),
- getoctets_as_list(Bytes2,Len);
-decode_octet_string(Bytes,no,false) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
-%% Bytes3 = align(Bytes2),
- getoctets_as_list(Bytes2,Len).
+encode_fragmented_octet_string(Val) ->
+ Bin = iolist_to_binary(Val),
+ efos_1(Bin).
+
+efos_1(<<B1:16#C000/binary,B2:16#4000/binary,T/binary>>) ->
+ [20,1,<<3:2,4:6>>,
+ octets_to_complete(16#C000, B1),
+ octets_to_complete(16#4000, B2)|efos_1(T)];
+efos_1(<<B:16#C000/binary,T/binary>>) ->
+ [20,1,<<3:2,3:6>>,octets_to_complete(16#C000, B)|efos_1(T)];
+efos_1(<<B:16#8000/binary,T/binary>>) ->
+ [20,1,<<3:2,2:6>>,octets_to_complete(16#8000, B)|efos_1(T)];
+efos_1(<<B:16#4000/binary,T/binary>>) ->
+ [20,1,<<3:2,1:6>>,octets_to_complete(16#4000, B)|efos_1(T)];
+efos_1(<<>>) ->
+ [20,1,0];
+efos_1(<<B/bitstring>>) ->
+ Len = byte_size(B),
+ [encode_length(undefined, Len),octets_to_complete(Len, B)].
+
+decode_fragmented(SegSz0, Buf0, Unit) ->
+ SegSz = SegSz0 * Unit * ?'16K',
+ <<Res:SegSz/bitstring,Buf/bitstring>> = Buf0,
+ decode_fragmented_1(Buf, Unit, Res).
+
+decode_fragmented_1(<<0:1,N:7,Buf0/bitstring>>, Unit, Res) ->
+ Sz = N*Unit,
+ <<S:Sz/bitstring,Buf/bitstring>> = Buf0,
+ {<<Res/bitstring,S/bitstring>>,Buf};
+decode_fragmented_1(<<1:1,0:1,N:14,Buf0/bitstring>>, Unit, Res) ->
+ Sz = N*Unit,
+ <<S:Sz/bitstring,Buf/bitstring>> = Buf0,
+ {<<Res/bitstring,S/bitstring>>,Buf};
+decode_fragmented_1(<<1:1,1:1,SegSz0:6,Buf0/bitstring>>, Unit, Res0) ->
+ SegSz = SegSz0 * Unit * ?'16K',
+ <<Frag:SegSz/bitstring,Buf/bitstring>> = Buf0,
+ Res = <<Res0/bitstring,Frag/bitstring>>,
+ decode_fragmented_1(Buf, Unit, Res).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -1545,16 +1394,6 @@ chars_decode2(Bytes,{Min,Max,CharInTab},NumBits,Len,Acc) ->
chars_decode2(Bytes2,{Min,Max,CharInTab},NumBits,Len -1,[element(Char+1,CharInTab)|Acc]).
- % X.691:17
-encode_null(_Val) -> []. % encodes to nothing
-%encode_null({Name,Val}) when is_atom(Name) ->
-% encode_null(Val).
-
-decode_null(Bytes) ->
- {'NULL',Bytes}.
-
-
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% encode_UTF8String(Val) -> CompleteList
%% Val -> <<utf8encoded binary>>
diff --git a/lib/asn1/src/asn1rt_uper_bin.erl b/lib/asn1/src/asn1rt_uper_bin.erl
index abe178a69e..9410c3ef90 100644
--- a/lib/asn1/src/asn1rt_uper_bin.erl
+++ b/lib/asn1/src/asn1rt_uper_bin.erl
@@ -25,22 +25,20 @@
%%-compile(export_all).
- -export([cindex/3, list_to_record/2]).
- -export([setext/1, fixoptionals/3,
+-export([decode_fragmented/3]).
+-export([setext/1, fixoptionals/3,
fixextensions/2,
- getext/1, getextension/2, skipextensions/3, getbit/1, getchoice/3 ]).
- -export([getoptionals2/2, set_choice/3, encode_integer/2, encode_integer/3 ]).
- -export([decode_integer/2, decode_integer/3, encode_small_number/1, encode_boolean/1,
- decode_boolean/1, encode_length/2, decode_length/1, decode_length/2,
- encode_small_length/1, decode_small_length/1,
+ skipextensions/3, getbit/1, getchoice/3 ]).
+-export([set_choice/3, encode_integer/2, encode_integer/3]).
+-export([encode_small_number/1, encode_boolean/1,
+ encode_length/2,
+ encode_small_length/1,
decode_compact_bit_string/3]).
- -export([decode_enumerated/3,
- encode_bit_string/3, decode_bit_string/3 ]).
- -export([encode_octet_string/2, decode_octet_string/2,
- encode_null/1, decode_null/1,
- encode_relative_oid/1, decode_relative_oid/1,
+-export([encode_bit_string/3, decode_bit_string/3 ]).
+-export([encode_octet_string/2,
+ encode_relative_oid/1, decode_relative_oid/1,
encode_object_identifier/1, decode_object_identifier/1,
- encode_real/1, decode_real/1,
+ encode_real/1, decode_real/1,
complete/1, complete_NFP/1]).
@@ -65,19 +63,6 @@
-define('64K',65536).
-cindex(Ix,Val,Cname) ->
- case element(Ix,Val) of
- {Cname,Val2} -> Val2;
- X -> X
- end.
-
-%% converts a list to a record if necessary
-list_to_record(_Name,Tuple) when is_tuple(Tuple) ->
- Tuple;
-list_to_record(Name,List) when is_list(List) ->
- list_to_tuple([Name|List]).
-
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% setext(true|false) -> CompleteList
%%
@@ -113,16 +98,6 @@ fixoptionals([Pos|Ot],Val,Acc) ->
end.
-getext(Bytes) when is_bitstring(Bytes) ->
- getbit(Bytes).
-
-getextension(0, Bytes) ->
- {{},Bytes};
-getextension(1, Bytes) ->
- {Len,Bytes2} = decode_small_length(Bytes),
- {Blist, Bytes3} = getbits_as_list(Len,Bytes2),
- {list_to_tuple(Blist),Bytes3}.
-
fixextensions({ext,ExtPos,ExtNum},Val) ->
case fixextensions(ExtPos,ExtNum+ExtPos,Val,0) of
0 -> [];
@@ -165,11 +140,6 @@ getchoice(Bytes,NumChoices,0) ->
decode_constrained_number(Bytes,{0,NumChoices-1}).
-%%%%%%%%%%%%%%%
-getoptionals2(Bytes,NumOpt) ->
- getbits(Bytes,NumOpt).
-
-
%% getbits_as_binary(Num,Bytes) -> {{Unused,BinBits},RestBytes},
%% Num = integer(),
%% Bytes = list() | tuple(),
@@ -289,33 +259,6 @@ decode_fragmented_bits(<<0:1,Len:7,BitStr/bitstring>>,C,Acc) ->
exit({error,{asn1,{illegal_value,C,ResBitStr}}})
end.
-
-decode_fragmented_octets({0,Bin},C) ->
- decode_fragmented_octets(Bin,C,[]).
-
-decode_fragmented_octets(<<3:2,Len:6,BitStr/bitstring>>,C,Acc) ->
- FragLen = Len * ?'16K',
- <<Value:FragLen/binary,Rest/bitstring>> = BitStr,
- decode_fragmented_octets(Rest,C,[Value|Acc]);
-decode_fragmented_octets(<<0:1,0:7,Bin/bitstring>>,C,Acc) ->
- Octets = list_to_binary(lists:reverse(Acc)),
- case C of
- Int when is_integer(Int), C == size(Octets) ->
- {Octets,Bin};
- Int when is_integer(Int) ->
- exit({error,{asn1,{illegal_value,C,Octets}}})
- end;
-decode_fragmented_octets(<<0:1,Len:7,BitStr/bitstring>>,C,Acc) ->
- <<Value:Len/binary-unit:8,BitStr2/binary>> = BitStr,
- BinOctets = list_to_binary(lists:reverse([Value|Acc])),
- case C of
- Int when is_integer(Int),size(BinOctets) == Int ->
- {BinOctets,BitStr2};
- Int when is_integer(Int) ->
- exit({error,{asn1,{illegal_value,C,BinOctets}}})
- end.
-
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% encode_open_type(Constraint, Value) -> CompleteList
@@ -398,47 +341,6 @@ encode_integer1(C, Val) ->
exit({error,{asn1,{illegal_value,VR,Val}}})
end.
-decode_integer(Buffer,Range,NamedNumberList) ->
- {Val,Buffer2} = decode_integer(Buffer,Range),
- case lists:keysearch(Val,2,NamedNumberList) of
- {value,{NewVal,_}} -> {NewVal,Buffer2};
- _ -> {Val,Buffer2}
- end.
-
-decode_integer(Buffer,[{Rc,_Ec}]) when is_tuple(Rc) ->
- {Ext,Buffer2} = getext(Buffer),
- case Ext of
- 0 -> decode_integer(Buffer2,[Rc]); %% Value in root of constraint
- 1 -> decode_unconstrained_number(Buffer2)
- end;
-decode_integer(Buffer,undefined) ->
- decode_unconstrained_number(Buffer);
-decode_integer(Buffer,C) ->
- case get_constraint(C,'SingleValue') of
- V when is_integer(V) ->
- {V,Buffer};
- V when is_list(V) ->
- {Val,Buffer2} = decode_integer1(Buffer,C),
- case lists:member(Val,V) of
- true ->
- {Val,Buffer2};
- _ ->
- exit({error,{asn1,{illegal_value,Val}}})
- end;
- _ ->
- decode_integer1(Buffer,C)
- end.
-
-decode_integer1(Buffer,C) ->
- case VR = get_constraint(C,'ValueRange') of
- no ->
- decode_unconstrained_number(Buffer);
- {Lb, 'MAX'} ->
- decode_semi_constrained_number(Buffer,Lb);
- {_,_} ->
- decode_constrained_number(Buffer,VR)
- end.
-
%% X.691:10.6 Encoding of a normally small non-negative whole number
%% Use this for encoding of CHOICE index if there is an extension marker in
%% the CHOICE
@@ -455,7 +357,7 @@ decode_small_number(Bytes) ->
0 ->
getbits(Bytes2,6);
1 ->
- decode_semi_constrained_number(Bytes2,0)
+ decode_semi_constrained_number(Bytes2)
end.
%% X.691:10.7 Encoding of a semi-constrained whole number
@@ -479,12 +381,10 @@ encode_semi_constrained_number(Lb,Val) ->
[encode_length(undefined,Size),Bin]
end.
-decode_semi_constrained_number(Bytes,{Lb,_}) ->
- decode_semi_constrained_number(Bytes,Lb);
-decode_semi_constrained_number(Bytes,Lb) ->
+decode_semi_constrained_number(Bytes) ->
{Len,Bytes2} = decode_length(Bytes,undefined),
{V,Bytes3} = getoctets(Bytes2,Len),
- {V+Lb,Bytes3}.
+ {V,Bytes3}.
encode_constrained_number(Range,{Name,Val}) when is_atom(Name) ->
encode_constrained_number(Range,Val);
@@ -566,23 +466,6 @@ enint(-1, [B1|T]) when B1 > 127 ->
enint(N, Acc) ->
enint(N bsr 8, [N band 16#ff|Acc]).
-decode_unconstrained_number(Bytes) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- {Ints,Bytes3} = getoctets_as_bin(Bytes2,Len),
- {dec_integer(Ints),Bytes3}.
-
-dec_integer(Bin = <<0:1,_:7,_/bitstring>>) ->
- decpint(Bin);
-dec_integer(<<_:1,B:7,BitStr/bitstring>>) ->
- Size = bit_size(BitStr),
- <<I:Size>> = BitStr,
- (-128 + B) bsl bit_size(BitStr) bor I.
-
-decpint(Bin) ->
- Size = bit_size(Bin),
- <<Int:Size>> = Bin,
- Int.
-
%% X.691:10.9 Encoding of a length determinant
%%encode_small_length(undefined,Len) -> % null means no UpperBound
@@ -597,7 +480,7 @@ encode_length(undefined,Len) -> % un-constrained
Len < 16384 ->
<<2:2,Len:14>>;
true -> % should be able to endode length >= 16384
- exit({error,{asn1,{encode_length,{nyi,above_16k}}}})
+ error({error,{asn1,{encode_length,{nyi,above_16k}}}})
end;
encode_length({0,'MAX'},Len) ->
@@ -623,18 +506,6 @@ encode_small_length(Len) ->
[<<1:1>>,encode_length(undefined,Len)].
-decode_small_length(Buffer) ->
- case getbit(Buffer) of
- {0,Remain} ->
- {Bits,Remain2} = getbits(Remain,6),
- {Bits+1,Remain2};
- {1,Remain} ->
- decode_length(Remain,undefined)
- end.
-
-decode_length(Buffer) ->
- decode_length(Buffer,undefined).
-
%% un-constrained
decode_length(<<0:1,Oct:7,Rest/bitstring>>,undefined) ->
{Oct,Rest};
@@ -677,38 +548,6 @@ encode_boolean({Name,Val}) when is_atom(Name) ->
encode_boolean(Val) ->
exit({error,{asn1,{encode_boolean,Val}}}).
-decode_boolean(Buffer) -> %when record(Buffer,buffer)
- case getbit(Buffer) of
- {1,Remain} -> {true,Remain};
- {0,Remain} -> {false,Remain}
- end.
-
-
-%% ENUMERATED with extension marker
-decode_enumerated(Buffer,C,{Ntup1,Ntup2}) when is_tuple(Ntup1), is_tuple(Ntup2) ->
- {Ext,Buffer2} = getext(Buffer),
- case Ext of
- 0 -> % not an extension value
- {Val,Buffer3} = decode_integer(Buffer2,C),
- case catch (element(Val+1,Ntup1)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer3};
- _Error -> exit({error,{asn1,{decode_enumerated,{Val,[Ntup1,Ntup2]}}}})
- end;
- 1 -> % this an extension value
- {Val,Buffer3} = decode_small_number(Buffer2),
- case catch (element(Val+1,Ntup2)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer3};
- _ -> {{asn1_enum,Val},Buffer3}
- end
- end;
-
-decode_enumerated(Buffer,C,NamedNumberTup) when is_tuple(NamedNumberTup) ->
- {Val,Buffer2} = decode_integer(Buffer,C),
- case catch (element(Val+1,NamedNumberTup)) of
- NewVal when is_atom(NewVal) -> {NewVal,Buffer2};
- _Error -> exit({error,{asn1,{decode_enumerated,{Val,NamedNumberTup}}}})
- end.
-
%%============================================================================
%%============================================================================
@@ -1067,36 +906,71 @@ encode_octet_string(C,Val) ->
list_to_binary(Val);
2 ->
list_to_binary(Val);
- Sv when Sv =<65535, Sv == length(Val) -> % fixed length
- list_to_binary(Val);
- VR = {_,_} ->
- [encode_length(VR,length(Val)),list_to_binary(Val)];
+ {_,_}=VR ->
+ try
+ [encode_length(VR, length(Val)),list_to_binary(Val)]
+ catch
+ error:{error,{asn1,{encode_length,_}}} ->
+ encode_fragmented_octet_string(Val)
+ end;
+ Sv when is_integer(Sv), Sv =:= length(Val) -> % fixed length
+ if
+ Sv =< 65535 ->
+ list_to_binary(Val);
+ true ->
+ encode_fragmented_octet_string(Val)
+ end;
Sv when is_list(Sv) ->
- [encode_length({hd(Sv),lists:max(Sv)},length(Val)),list_to_binary(Val)];
+ try
+ [encode_length({hd(Sv),lists:max(Sv)},
+ length(Val)),list_to_binary(Val)]
+ catch
+ error:{error,{asn1,{encode_length,_}}} ->
+ encode_fragmented_octet_string(Val)
+ end;
no ->
- [encode_length(undefined,length(Val)),list_to_binary(Val)]
+ try
+ [encode_length(undefined, length(Val)),list_to_binary(Val)]
+ catch
+ error:{error,{asn1,{encode_length,_}}} ->
+ encode_fragmented_octet_string(Val)
+ end
end.
-decode_octet_string(Bytes,C) ->
- decode_octet_string1(Bytes,get_constraint(C,'SizeConstraint')).
-decode_octet_string1(<<B1,Bytes/bitstring>>,1) ->
- {[B1],Bytes};
-decode_octet_string1(<<B1,B2,Bytes/bitstring>>,2) ->
- {[B1,B2],Bytes};
-decode_octet_string1(Bytes,Sv) when is_integer(Sv),Sv=<65535 ->
- getoctets_as_list(Bytes,Sv);
-decode_octet_string1(Bytes,Sv) when is_integer(Sv) ->
- decode_fragmented_octets(Bytes,Sv);
-decode_octet_string1(Bytes,{Lb,Ub}) ->
- {Len,Bytes2} = decode_length(Bytes,{Lb,Ub}),
- getoctets_as_list(Bytes2,Len);
-decode_octet_string1(Bytes,Sv) when is_list(Sv) ->
- {Len,Bytes2} = decode_length(Bytes,{hd(Sv),lists:max(Sv)}),
- getoctets_as_list(Bytes2,Len);
-decode_octet_string1(Bytes,no) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- getoctets_as_list(Bytes2,Len).
-
+encode_fragmented_octet_string(Val) ->
+ Bin = list_to_binary(Val),
+ efos_1(Bin).
+
+efos_1(<<B:16#10000/binary,T/binary>>) ->
+ [<<3:2,4:6>>,B|efos_1(T)];
+efos_1(<<B:16#C000/binary,T/binary>>) ->
+ [<<3:2,3:6>>,B|efos_1(T)];
+efos_1(<<B:16#8000/binary,T/binary>>) ->
+ [<<3:2,2:6>>,B|efos_1(T)];
+efos_1(<<B:16#4000/binary,T/binary>>) ->
+ [<<3:2,1:6>>,B|efos_1(T)];
+efos_1(<<B/bitstring>>) ->
+ Len = byte_size(B),
+ [encode_length(undefined, Len),B].
+
+decode_fragmented(SegSz0, Buf0, Unit) ->
+ SegSz = SegSz0 * Unit * ?'16K',
+ <<Res:SegSz/bitstring,Buf/bitstring>> = Buf0,
+ decode_fragmented_1(Buf, Unit, Res).
+
+decode_fragmented_1(<<0:1,N:7,Buf0/bitstring>>, Unit, Res) ->
+ Sz = N*Unit,
+ <<S:Sz/bitstring,Buf/bitstring>> = Buf0,
+ {<<Res/bitstring,S/bitstring>>,Buf};
+decode_fragmented_1(<<1:1,0:1,N:14,Buf0/bitstring>>, Unit, Res) ->
+ Sz = N*Unit,
+ <<S:Sz/bitstring,Buf/bitstring>> = Buf0,
+ {<<Res/bitstring,S/bitstring>>,Buf};
+decode_fragmented_1(<<1:1,1:1,SegSz0:6,Buf0/bitstring>>, Unit, Res0) ->
+ SegSz = SegSz0 * Unit * ?'16K',
+ <<Frag:SegSz/bitstring,Buf/bitstring>> = Buf0,
+ Res = <<Res0/bitstring,Frag/bitstring>>,
+ decode_fragmented_1(Buf, Unit, Res).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -1441,12 +1315,6 @@ decode_UTF8String(Bytes) ->
getoctets_as_bin(Bytes2,Len).
- % X.691:17
-encode_null(_) -> []. % encodes to nothing
-
-decode_null(Bytes) ->
- {'NULL',Bytes}.
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% encode_object_identifier(Val) -> CompleteList
%% encode_object_identifier({Name,Val}) -> CompleteList
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 02:38:45 +0000