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-rw-r--r--lib/asn1/src/asn1ct_gen_per.erl259
1 files changed, 71 insertions, 188 deletions
diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl
index 3973664227..2063cb12e5 100644
--- a/lib/asn1/src/asn1ct_gen_per.erl
+++ b/lib/asn1/src/asn1ct_gen_per.erl
@@ -26,7 +26,7 @@
%-compile(export_all).
-export([gen_dec_imm/2]).
--export([gen_dec_prim/3,gen_encode_prim/3]).
+-export([gen_dec_prim/3,gen_encode_prim_imm/3]).
-export([gen_obj_code/3,gen_objectset_code/2]).
-export([gen_decode/2, gen_decode/3]).
-export([gen_encode/2, gen_encode/3]).
@@ -102,162 +102,87 @@ gen_encode_prim(Erules, D) ->
Value = asn1ct_gen:mk_var(asn1ct_name:curr(val)),
gen_encode_prim(Erules, D, Value).
-gen_encode_prim(Erules, #type{def={'ENUMERATED',{N1,N2}}}, Value) ->
- NewList = [{0,X} || {X,_} <- N1] ++ ['EXT_MARK'] ++
- [{1,X} || {X,_} <- N2],
- NewC = {0,length(N1)-1},
- emit(["case ",Value," of",nl]),
- emit_enc_enumerated_cases(Erules, NewC, NewList, 0);
-gen_encode_prim(Erules, #type{def={'ENUMERATED',NNL}}, Value) ->
- NewList = [X || {X,_} <- NNL],
- NewC = {0,length(NewList)-1},
- emit(["case ",Value," of",nl]),
- emit_enc_enumerated_cases(Erules, NewC, NewList, 0);
-gen_encode_prim(per=Erules, D, Value) ->
- asn1ct_gen_per_rt2ct:gen_encode_prim(Erules, D, Value);
gen_encode_prim(Erules, #type{}=D, Value) ->
- Constraint = D#type.constraint,
- SizeConstr = asn1ct_imm:effective_constraint(bitstring, Constraint),
- Pa = case lists:keyfind('PermittedAlphabet', 1, Constraint) of
- false -> no;
- {_,Pa0} -> Pa0
- end,
- case D#type.def of
+ Aligned = case Erules of
+ uper -> false;
+ per -> true
+ end,
+ Imm = gen_encode_prim_imm(Value, D, Aligned),
+ asn1ct_imm:enc_cg(Imm, Aligned).
+
+gen_encode_prim_imm(Val, #type{def=Type0,constraint=Constraint}, Aligned) ->
+ case simplify_type(Type0) of
+ k_m_string ->
+ Type = case Type0 of
+ 'GeneralizedTime' -> 'VisibleString';
+ 'UTCTime' -> 'VisibleString';
+ _ -> Type0
+ end,
+ asn1ct_imm:per_enc_k_m_string(Val, Type, Constraint, Aligned);
+ restricted_string ->
+ ToBinary = {erlang,iolist_to_binary},
+ asn1ct_imm:per_enc_restricted_string(Val, ToBinary, Aligned);
+ {'ENUMERATED',NNL} ->
+ asn1ct_imm:per_enc_enumerated(Val, NNL, Aligned);
'INTEGER' ->
- Args = [{asis,asn1ct_imm:effective_constraint(integer,Constraint)},
- Value],
- call(Erules, encode_integer, Args);
- {'INTEGER',NamedNumberList} ->
- Args = [{asis,asn1ct_imm:effective_constraint(integer,Constraint)},
- Value,{asis,NamedNumberList}],
- call(Erules, encode_integer, Args);
+ asn1ct_imm:per_enc_integer(Val, Constraint, Aligned);
+ {'INTEGER',NNL} ->
+ asn1ct_imm:per_enc_integer(Val, NNL, Constraint, Aligned);
'REAL' ->
- emit_enc_real(Erules, Value);
-
- {'BIT STRING',NamedNumberList} ->
- call(Erules, encode_bit_string,
- [{asis,SizeConstr},Value,
- {asis,NamedNumberList}]);
+ ToBinary = {real_common,encode_real},
+ asn1ct_imm:per_enc_restricted_string(Val, ToBinary, Aligned);
+ {'BIT STRING',NNL} ->
+ asn1ct_imm:per_enc_bit_string(Val, NNL, Constraint, Aligned);
'NULL' ->
- emit("[]");
+ asn1ct_imm:per_enc_null(Val, Aligned);
'OBJECT IDENTIFIER' ->
- call(Erules, encode_object_identifier, [Value]);
+ ToBinary = {per_common,encode_oid},
+ asn1ct_imm:per_enc_restricted_string(Val, ToBinary, Aligned);
'RELATIVE-OID' ->
- call(Erules, encode_relative_oid, [Value]);
- 'ObjectDescriptor' ->
- call(Erules, encode_ObjectDescriptor,
- [{asis,Constraint},Value]);
+ ToBinary = {per_common,encode_relative_oid},
+ asn1ct_imm:per_enc_restricted_string(Val, ToBinary, Aligned);
'BOOLEAN' ->
- call(Erules, encode_boolean, [Value]);
+ asn1ct_imm:per_enc_boolean(Val, Aligned);
'OCTET STRING' ->
- case SizeConstr of
- 0 ->
- emit("[]");
- no ->
- call(Erules, encode_octet_string, [Value]);
- C ->
- call(Erules, encode_octet_string, [{asis,C},Value])
- end;
- 'NumericString' ->
- call(Erules, encode_NumericString, [{asis,SizeConstr},
- {asis,Pa},Value]);
- TString when TString == 'TeletexString';
- TString == 'T61String' ->
- call(Erules, encode_TeletexString, [{asis,Constraint},Value]);
- 'VideotexString' ->
- call(Erules, encode_VideotexString, [{asis,Constraint},Value]);
- 'UTCTime' ->
- call(Erules, encode_VisibleString, [{asis,SizeConstr},
- {asis,Pa},Value]);
- 'GeneralizedTime' ->
- call(Erules, encode_VisibleString, [{asis,SizeConstr},
- {asis,Pa},Value]);
- 'GraphicString' ->
- call(Erules, encode_GraphicString, [{asis,Constraint},Value]);
- 'VisibleString' ->
- call(Erules, encode_VisibleString, [{asis,SizeConstr},
- {asis,Pa},Value]);
- 'GeneralString' ->
- call(Erules, encode_GeneralString, [{asis,Constraint},Value]);
- 'PrintableString' ->
- call(Erules, encode_PrintableString, [{asis,SizeConstr},
- {asis,Pa},Value]);
- 'IA5String' ->
- call(Erules, encode_IA5String, [{asis,SizeConstr},
- {asis,Pa},Value]);
- 'BMPString' ->
- call(Erules, encode_BMPString, [{asis,SizeConstr},
- {asis,Pa},Value]);
- 'UniversalString' ->
- call(Erules, encode_UniversalString, [{asis,SizeConstr},
- {asis,Pa},Value]);
- 'UTF8String' ->
- call(Erules, encode_UTF8String, [Value]);
+ asn1ct_imm:per_enc_octet_string(Val, Constraint, Aligned);
'ASN1_OPEN_TYPE' ->
- NewValue = case Constraint of
- [#'Externaltypereference'{type=Tname}] ->
- asn1ct_func:need({Erules,complete,1}),
- io_lib:format(
- "complete(enc_~s(~s))",[Tname,Value]);
- [#type{def=#'Externaltypereference'{type=Tname}}] ->
- asn1ct_func:need({Erules,complete,1}),
- io_lib:format(
- "complete(enc_~s(~s))",
- [Tname,Value]);
- _ ->
- io_lib:format("iolist_to_binary(~s)",
- [Value])
- end,
- call(Erules, encode_open_type, [NewValue])
+ case Constraint of
+ [#'Externaltypereference'{type=Tname}] ->
+ EncFunc = enc_func(Tname),
+ Imm = [{apply,EncFunc,[{expr,Val}]}],
+ asn1ct_imm:per_enc_open_type(Imm, Aligned);
+ [] ->
+ Imm = [{call,erlang,iolist_to_binary,[{expr,Val}]}],
+ asn1ct_imm:per_enc_open_type(Imm, Aligned)
+ end
end.
-emit_enc_real(Erules, Real) ->
- asn1ct_name:new(tmpval),
- asn1ct_name:new(tmplen),
- emit(["begin",nl,
- {curr,tmpval}," = ",
- {call,real_common,encode_real,[Real]},com,nl,
- {curr,tmplen}," = ",
- {call,erlang,byte_size,[{curr,tmpval}]},com,nl,
- "[",{call,Erules,encode_length,[{curr,tmplen}]},com,nl,
- {curr,tmpval},"]",nl,
- "end"]).
-
-emit_enc_enumerated_cases(Erules, C, ['EXT_MARK'|T], _Count) ->
- %% Reset enumeration counter.
- emit_enc_enumerated_cases(Erules, C, T, 0);
-emit_enc_enumerated_cases(Erules, C, [H|T], Count) ->
- emit_enc_enumerated_case(Erules, C, H, Count),
- emit([";",nl]),
- emit_enc_enumerated_cases(Erules, C, T, Count+1);
-emit_enc_enumerated_cases(_Erules, _, [], _Count) ->
- emit(["EnumVal -> "
- "exit({error,{asn1,{enumerated_not_in_range, EnumVal}}})",nl,
- "end"]).
-
-emit_enc_enumerated_case(Erules, C, {0,EnumName}, Count) ->
- %% ENUMERATED with extensionmark; the value lies within then extension root
- Enc = enc_ext_and_val(Erules, 0, encode_constrained_number, [C,Count]),
- emit(["'",EnumName,"' -> ",{asis,Enc}]);
-emit_enc_enumerated_case(Erules, _C, {1,EnumName}, Count) ->
- %% ENUMERATED with extensionmark; the value is higher than extension root
- Enc = enc_ext_and_val(Erules, 1, encode_small_number, [Count]),
- emit(["'",EnumName,"' -> ",{asis,Enc}]);
-emit_enc_enumerated_case(Erules, C, EnumName, Count) ->
- %% ENUMERATED without extension
- EvalMod = eval_module(Erules),
- emit(["'",EnumName,"' -> ",
- {asis,EvalMod:encode_constrained_number(C, Count)}]).
-
-enc_ext_and_val(per, E, F, Args) ->
- [E|apply(asn1ct_eval_per, F, Args)];
-enc_ext_and_val(uper, E, F, Args) ->
- Bs = list_to_bitstring([apply(asn1ct_eval_uper, F, Args)]),
- <<E:1,Bs/bitstring>>.
-
dec_func(Tname) ->
list_to_atom(lists:concat(["dec_",Tname])).
+enc_func(Tname) ->
+ list_to_atom(lists:concat(["enc_",Tname])).
+
+simplify_type(Type) ->
+ case Type of
+ 'BMPString' -> k_m_string;
+ 'IA5String' -> k_m_string;
+ 'NumericString' -> k_m_string;
+ 'PrintableString' -> k_m_string;
+ 'VisibleString' -> k_m_string;
+ 'UniversalString' -> k_m_string;
+ 'GeneralizedTime' -> k_m_string;
+ 'UTCTime' -> k_m_string;
+ 'TeletexString' -> restricted_string;
+ 'T61String' -> restricted_string;
+ 'VideotexString' -> restricted_string;
+ 'GraphicString' -> restricted_string;
+ 'GeneralString' -> restricted_string;
+ 'UTF8String' -> restricted_string;
+ 'ObjectDescriptor' -> restricted_string;
+ Other -> Other
+ end.
+
%% Object code generating for encoding and decoding
%% ------------------------------------------------
@@ -299,18 +224,7 @@ gen_encode_objectfields(Erule, ClassName,
case {get_object_field(Name,ObjectFields),OptOrMand} of
{false,'OPTIONAL'} ->
EmitFuncClause("Val"),
- case Erule of
- uper ->
- emit(" Val");
- per ->
- emit([" if",nl,
- " is_list(Val) ->",nl,
- " NewVal = list_to_binary(Val),",nl,
- " [20,byte_size(NewVal),NewVal];",nl,
- " is_binary(Val) ->",nl,
- " [20,byte_size(Val),Val]",nl,
- " end"])
- end,
+ emit(" Val"),
[];
{false,{'DEFAULT',DefaultType}} ->
EmitFuncClause("Val"),
@@ -651,30 +565,13 @@ gen_objset_enc(Erule, ObjSetName, UniqueName, [{ObjName,Val,Fields}|T],
emit({";",nl}),
gen_objset_enc(Erule, ObjSetName, UniqueName, T, ClName, ClFields,
NewNthObj, InternalFunc ++ Acc);
-gen_objset_enc(uper, ObjSetName, _UniqueName, ['EXTENSIONMARK'],
+gen_objset_enc(_, ObjSetName, _UniqueName, ['EXTENSIONMARK'],
_ClName, _ClFields, _NthObj, Acc) ->
emit(["'getenc_",ObjSetName,"'(_) ->",nl]),
emit({indent(3),"fun(_, Val, _) ->",nl}),
emit([indent(6),"Val",nl,
indent(3),"end.",nl,nl]),
Acc;
-gen_objset_enc(per, ObjSetName, _UniqueName, ['EXTENSIONMARK'],
- _ClName, _ClFields, _NthObj, Acc) ->
- emit(["'getenc_",ObjSetName,"'(_) ->",nl,
- indent(3),"fun(_, Val, _) ->",nl,
- indent(6),"BinVal = if",nl,
- indent(9),"is_list(Val) -> list_to_binary(Val);",nl,
- indent(9),"true -> Val",nl,
- indent(6),"end,",nl,
- indent(6),"Size = byte_size(BinVal),",nl,
- indent(6),"if",nl,
- indent(9),"Size < 256 ->",nl,
- indent(12),"[20,Size,BinVal];",nl,
- indent(9),"true ->",nl,
- indent(12),"[21,<<Size:16>>,Val]",nl,
- indent(6),"end",nl,
- indent(3),"end.",nl,nl]),
- Acc;
gen_objset_enc(_, ObjSetName, UniqueName, [], _, _, _, Acc) ->
emit_default_getenc(ObjSetName, UniqueName),
emit([".",nl,nl]),
@@ -725,20 +622,9 @@ gen_inlined_enc_funs1(Erule, Fields, [{typefield,Name,_}|Rest], ObjSetName,
emit([indent(9),{asis,Name}," ->",nl,
indent(12),"'",M,"'",":'enc_",T,"'(Val)"]),
{Acc0,0};
- false when Erule =:= uper ->
+ false ->
emit([indent(9),{asis,Name}," ->",nl,
indent(12),"Val",nl]),
- {Acc0,0};
- false when Erule =:= per ->
- emit([indent(9),{asis,Name}," ->",nl,
- indent(12),"Size = case Val of",nl,
- indent(15),"B when is_binary(B) -> size(B);",nl,
- indent(15),"_ -> length(Val)",nl,
- indent(12),"end,",nl,
- indent(12),"if",nl,
- indent(15),"Size < 256 -> [20,Size,Val];",nl,
- indent(15),"true -> [21,<<Size:16>>,Val]",nl,
- indent(12),"end"]),
{Acc0,0}
end,
gen_inlined_enc_funs1(Erule, Fields, Rest, ObjSetName, Sep,
@@ -1165,6 +1051,3 @@ imm_dec_open_type_1(Type, Aligned) ->
"end"])
end,
{call,D,asn1ct_imm:per_dec_open_type(Aligned)}.
-
-eval_module(per) -> asn1ct_eval_per;
-eval_module(uper) -> asn1ct_eval_uper.