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-rw-r--r--lib/asn1/src/asn1ct_gen_per_rt2ct.erl211
1 files changed, 11 insertions, 200 deletions
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
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 20:18:20 +0000