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authorBjörn Gustavsson <[email protected]>2017-01-17 15:21:41 +0100
committerBjörn Gustavsson <[email protected]>2017-02-03 13:34:23 +0100
commit5fa478d4550d8a55b3c89f8f6a7deef5b6fd9b0e (patch)
tree2aea5e0c8c31cc375b9736ba6129b3a63fe8839f /lib/asn1/src
parentbfaf9c12ae3f84d71518697258734b0c9f5556fd (diff)
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Simplify gen_enc_components_call() and friends
Diffstat (limited to 'lib/asn1/src')
-rw-r--r--lib/asn1/src/asn1ct_constructed_per.erl74
1 files changed, 31 insertions, 43 deletions
diff --git a/lib/asn1/src/asn1ct_constructed_per.erl b/lib/asn1/src/asn1ct_constructed_per.erl
index 61662e67df..1782ca11b4 100644
--- a/lib/asn1/src/asn1ct_constructed_per.erl
+++ b/lib/asn1/src/asn1ct_constructed_per.erl
@@ -796,58 +796,47 @@ add_textual_order1(Cs,NumIn) ->
end,
NumIn,Cs).
-gen_enc_components_call(Erule,TopType,{Root,ExtList}, DynamicEnc,Ext) ->
- gen_enc_components_call(Erule,TopType,{Root,ExtList,[]}, DynamicEnc,Ext);
-gen_enc_components_call(Erule,TopType,CL={Root,ExtList,Root2}, DynamicEnc,Ext) ->
- %% The type has extensionmarker
- {Imm0,Rpos} = gen_enc_components_call1(Erule,TopType,Root++Root2,1, DynamicEnc,noext,[]),
+gen_enc_components_call(Erule, TopType, {Root,ExtList}, DynamicEnc, Ext) ->
+ gen_enc_components_call(Erule, TopType, {Root,ExtList,[]}, DynamicEnc, Ext);
+gen_enc_components_call(Erule, TopType, {R1,ExtList0,R2}=CL, DynamicEnc, Ext) ->
+ Root = R1 ++ R2,
+ Imm0 = gen_enc_components_call1(Erule, TopType, Root, DynamicEnc, noext),
ExtImm = case Ext of
{ext,_,ExtNum} when ExtNum > 0 ->
[{var,"Extensions"}];
_ ->
[]
end,
- %handle extensions
{extgrouppos,ExtGroupPosLen} = extgroup_pos_and_length(CL),
- NewExtList = wrap_extensionAdditionGroups(ExtList,ExtGroupPosLen),
- {Imm1,_} = gen_enc_components_call1(Erule,TopType,NewExtList,Rpos,DynamicEnc,Ext,[]),
+ ExtList1 = wrap_extensionAdditionGroups(ExtList0, ExtGroupPosLen),
+ ExtList = [mark_optional(C) || C <- ExtList1],
+ Imm1 = gen_enc_components_call1(Erule, TopType, ExtList, DynamicEnc, Ext),
Imm0 ++ [ExtImm|Imm1];
-gen_enc_components_call(Erule,TopType, CompList, DynamicEnc, Ext) ->
- %% The type has no extensionmarker
- {Imm,_} = gen_enc_components_call1(Erule,TopType,CompList,1,DynamicEnc,Ext,[]),
- Imm.
-
-gen_enc_components_call1(Erule,TopType,
- [C=#'ComponentType'{name=Cname,typespec=Type,prop=Prop}|Rest],
- Tpos,
- DynamicEnc, Ext, Acc) ->
-
- TermNo =
- case C#'ComponentType'.textual_order of
- undefined ->
- Tpos;
- CanonicalNum ->
- CanonicalNum
- end,
+gen_enc_components_call(Erule, TopType, CompList, DynamicEnc, Ext) ->
+ %% No extension marker.
+ gen_enc_components_call1(Erule, TopType, CompList, DynamicEnc, Ext).
+
+mark_optional(#'ComponentType'{prop=Prop0}=C) ->
+ Prop = case Prop0 of
+ mandatory -> 'OPTIONAL';
+ 'OPTIONAL'=Keep -> Keep;
+ {'DEFAULT',_}=Keep -> Keep
+ end,
+ C#'ComponentType'{prop=Prop}.
+
+gen_enc_components_call1(Erule, TopType, [C|Rest], DynamicEnc, Ext) ->
+ #'ComponentType'{name=Cname,typespec=Type,
+ prop=Prop,textual_order=TermNo} = C,
Val = make_var(val),
{Imm0,Element} = asn1ct_imm:enc_element(TermNo+1, Val),
- Imm1 = gen_enc_line_imm(Erule, TopType, Cname, Type, Element, DynamicEnc, Ext),
- Category = case {Prop,Ext} of
- {'OPTIONAL',_} ->
- optional;
- {{'DEFAULT',DefVal},_} ->
- {default,DefVal};
- {_,{ext,ExtPos,_}} when Tpos >= ExtPos ->
- optional;
- {_,_} ->
- mandatory
- end,
- Imm2 = case Category of
+ Imm1 = gen_enc_line_imm(Erule, TopType, Cname, Type,
+ Element, DynamicEnc, Ext),
+ Imm2 = case Prop of
mandatory ->
Imm1;
- optional ->
+ 'OPTIONAL' ->
asn1ct_imm:enc_absent(Element, [asn1_NOVALUE], Imm1);
- {default,Def} ->
+ {'DEFAULT',Def} ->
DefValues = def_values(Type, Def),
asn1ct_imm:enc_absent(Element, DefValues, Imm1)
end,
@@ -855,10 +844,9 @@ gen_enc_components_call1(Erule,TopType,
[] -> [];
_ -> Imm0 ++ Imm2
end,
- gen_enc_components_call1(Erule, TopType, Rest, Tpos+1, DynamicEnc, Ext, [Imm|Acc]);
-gen_enc_components_call1(_Erule,_TopType,[],Pos,_,_, Acc) ->
- ImmList = lists:reverse(Acc),
- {ImmList,Pos}.
+ [Imm|gen_enc_components_call1(Erule, TopType, Rest, DynamicEnc, Ext)];
+gen_enc_components_call1(_Erule, _TopType, [], _, _) ->
+ [].
def_values(#type{def=#'Externaltypereference'{module=Mod,type=Type}}, Def) ->
#typedef{typespec=T} = asn1_db:dbget(Mod, Type),