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-rw-r--r--lib/asn1/src/asn1ct_check.erl151
1 files changed, 42 insertions, 109 deletions
diff --git a/lib/asn1/src/asn1ct_check.erl b/lib/asn1/src/asn1ct_check.erl
index eddcda0018..0a13801e08 100644
--- a/lib/asn1/src/asn1ct_check.erl
+++ b/lib/asn1/src/asn1ct_check.erl
@@ -2534,89 +2534,54 @@ normalize_integer(S,Int=#'Externalvaluereference'{value=Name},Type) ->
normalize_integer(_,Int,_) ->
exit({'Unknown INTEGER value',Int}).
-normalize_bitstring(S,Value,Type)->
- %% There are four different Erlang formats of BIT STRING:
- %% 1 - a list of ones and zeros.
- %% 2 - a list of atoms.
- %% 3 - as an integer, for instance in hexadecimal form.
- %% 4 - as a tuple {Unused, Binary} where Unused is an integer
- %% and tells how many bits of Binary are unused.
- %%
- %% normalize_bitstring/3 transforms Value according to:
- %% A to 3,
- %% B to 1,
- %% C to 1 or 3
- %% D to 2,
- %% Value can be on format:
- %% A - {hstring, String}, where String is a hexadecimal string.
- %% B - {bstring, String}, where String is a string on bit format
- %% C - #'Externalvaluereference'{value=V}, where V is a defined value
- %% D - list of #'Externalvaluereference', where each value component
- %% is an identifier corresponing to NamedBits in Type.
- %% E - list of ones and zeros, if Value already is normalized.
+%% normalize_bitstring(S, Value, Type) -> bitstring()
+%% Convert a literal value for a BIT STRING to an Erlang bit string.
+%%
+normalize_bitstring(S, Value, Type)->
case Value of
{hstring,String} when is_list(String) ->
- hstring_to_int(String);
+ hstring_to_bitstring(String);
{bstring,String} when is_list(String) ->
- bstring_to_bitlist(String);
- Rec when is_record(Rec,'Externalvaluereference') ->
- get_normalized_value(S,Value,Type,
- fun normalize_bitstring/3,[]);
+ bstring_to_bitstring(String);
+ #'Externalvaluereference'{} ->
+ get_normalized_value(S, Value, Type,
+ fun normalize_bitstring/3, []);
RecList when is_list(RecList) ->
- case Type of
- NBL when is_list(NBL) ->
- F = fun(#'Externalvaluereference'{value=Name}) ->
- case lists:keysearch(Name,1,NBL) of
- {value,{Name,_}} ->
- Name;
- Other ->
- throw({error,Other})
- end;
- (I) when I =:= 1; I =:= 0 ->
- I;
- (Other) ->
- throw({error,Other})
- end,
- case catch lists:map(F,RecList) of
- {error,Reason} ->
- asn1ct:warning("default value not "
- "compatible with type definition ~p~n",
- [Reason],S,
- "default value not "
- "compatible with type definition"),
- Value;
- NewList ->
- NewList
- end;
- _ ->
+ F = fun(#'Externalvaluereference'{value=Name}) ->
+ case lists:keymember(Name, 1, Type) of
+ true -> Name;
+ false -> throw({error,false})
+ end;
+ (Name) when is_atom(Name) ->
+ %% Already normalized.
+ Name;
+ (Other) ->
+ throw({error,Other})
+ end,
+ try
+ lists:map(F, RecList)
+ catch
+ throw:{error,Reason} ->
asn1ct:warning("default value not "
"compatible with type definition ~p~n",
- [RecList],S,
+ [Reason],S,
"default value not "
"compatible with type definition"),
Value
end;
- {Name,String} when is_atom(Name) ->
- normalize_bitstring(S,String,Type);
- Other ->
- asn1ct:warning("illegal default value ~p~n",[Other],S,
- "illegal default value"),
- Value
+ Bs when is_bitstring(Bs) ->
+ %% Already normalized.
+ Bs
end.
-hstring_to_int(L) when is_list(L) ->
- hstring_to_int(L,0).
-hstring_to_int([H|T],Acc) when H >= $A, H =< $F ->
- hstring_to_int(T,(Acc bsl 4) + (H - $A + 10) ) ;
-hstring_to_int([H|T],Acc) when H >= $0, H =< $9 ->
- hstring_to_int(T,(Acc bsl 4) + (H - $0));
-hstring_to_int([],Acc) ->
- Acc.
+hstring_to_bitstring(L) ->
+ << <<(hex_to_int(D)):4>> || D <- L >>.
-bstring_to_bitlist([H|T]) when H == $0; H == $1 ->
- [H - $0 | bstring_to_bitlist(T)];
-bstring_to_bitlist([]) ->
- [].
+bstring_to_bitstring(L) ->
+ << <<(D-$0):1>> || D <- L >>.
+
+hex_to_int(D) when $0 =< D, D =< $9 -> D - $0;
+hex_to_int(D) when $A =< D, D =< $F -> D - ($A - 10).
%% normalize_octetstring/1 changes representation of input Value to a
%% list of octets.
@@ -4229,9 +4194,10 @@ constraint_union(S,C) when is_list(C) ->
constraint_union(_S,C) ->
[C].
-constraint_union1(S,[A={'ValueRange',_},union,B={'ValueRange',_}|Rest],Acc) ->
- AunionB = constraint_union_vr([A,B]),
- constraint_union1(S, AunionB++Rest, Acc);
+constraint_union1(S, [{'ValueRange',{Lb1,Ub1}},union,
+ {'ValueRange',{Lb2,Ub2}}|Rest], Acc) ->
+ AunionB = {'ValueRange',{c_min(Lb1, Lb2),max(Ub1, Ub2)}},
+ constraint_union1(S, [AunionB|Rest], Acc);
constraint_union1(S,[A={'SingleValue',_},union,B={'SingleValue',_}|Rest],Acc) ->
AunionB = constraint_union_sv(S,[A,B]),
constraint_union1(S,Rest,Acc ++ AunionB);
@@ -4255,42 +4221,9 @@ constraint_union_sv(_S,SV) ->
[N] -> [{'SingleValue',N}];
L -> [{'SingleValue',L}]
end.
-
-%% REMOVE????
-%%constraint_union(S,VR,'ValueRange') ->
-%% constraint_union_vr(VR).
-
-%% constraint_union_vr(VR)
-%% VR = [{'ValueRange',{Lb,Ub}},...]
-%% Lb = 'MIN' | integer()
-%% Ub = 'MAX' | integer()
-%% Returns if possible only one ValueRange tuple with a range that
-%% is a union of all ranges in VR.
-constraint_union_vr(VR) ->
- %% Sort VR by Lb in first hand and by Ub in second hand
- Fun=fun({_,{'MIN',_B1}},{_,{A2,_B2}}) when is_integer(A2)->true;
- ({_,{A1,_B1}},{_,{'MAX',_B2}}) when is_integer(A1) -> true;
- ({_,{A1,_B1}},{_,{A2,_B2}}) when is_integer(A1),is_integer(A2),A1<A2 -> true;
- ({_,{A,B1}},{_,{A,B2}}) when B1=<B2->true;
- (_,_)->false end,
- SortedVR = lists:usort(Fun,VR),
- constraint_union_vr(SortedVR, []).
-
-constraint_union_vr([],Acc) ->
- lists:reverse(Acc);
-constraint_union_vr([C|Rest],[]) ->
- constraint_union_vr(Rest,[C]);
-constraint_union_vr([{_,{Lb,Ub2}}|Rest],[{_,{Lb,_Ub1}}|Acc]) -> %Ub2 > Ub1
- constraint_union_vr(Rest,[{'ValueRange',{Lb,Ub2}}|Acc]);
-constraint_union_vr([{_,{_,Ub}}|Rest],A=[{_,{_,Ub}}|_Acc]) ->
- constraint_union_vr(Rest,A);
-constraint_union_vr([{_,{Lb2,Ub2}}|Rest], [{_,{Lb1,Ub1}}|Acc])
- when Ub1 =< Lb2, Ub1 < Ub2 ->
- constraint_union_vr(Rest,[{'ValueRange',{Lb1,Ub2}}|Acc]);
-constraint_union_vr([{_,{_,Ub2}}|Rest],A=[{_,{_,Ub1}}|_Acc]) when Ub2=<Ub1->
- constraint_union_vr(Rest,A);
-constraint_union_vr([VR|Rest],Acc) ->
- constraint_union_vr(Rest,[VR|Acc]).
+c_min('MIN', _) -> 'MIN';
+c_min(_, 'MIN') -> 'MIN';
+c_min(A, B) -> min(A, B).
union_sv_vr(_S,{'SingleValue',SV},VR)
when is_integer(SV) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 03:36:14 +0000