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-rw-r--r--lib/asn1/src/asn1ct_gen_per.erl33
1 files changed, 28 insertions, 5 deletions
diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl
index 06d2489748..a8908db7e4 100644
--- a/lib/asn1/src/asn1ct_gen_per.erl
+++ b/lib/asn1/src/asn1ct_gen_per.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
-%%
+%%
+%% 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%
%%
%%
@@ -31,6 +31,7 @@
-export([gen_encode/2, gen_encode/3]).
-export([is_already_generated/2,more_genfields/1,get_class_fields/1,
get_object_field/2]).
+-export([extaddgroup2sequence/1]).
-import(asn1ct_gen, [emit/1,demit/1]).
@@ -1393,3 +1394,25 @@ get_object_field(Name,ObjectFields) ->
false -> false
end.
+
+%% 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
+%% so that we can generate code for it
+extaddgroup2sequence(ExtList) ->
+ extaddgroup2sequence(ExtList,[]).
+
+extaddgroup2sequence([{'ExtensionAdditionGroup',Number0}|T],Acc) ->
+ Number = case Number0 of undefined -> 1; _ -> Number0 end,
+ {ExtGroupComps,['ExtensionAdditionGroupEnd'|T2]} =
+ lists:splitwith(fun(Elem) -> is_record(Elem,'ComponentType') end,T),
+ extaddgroup2sequence(T2,[#'ComponentType'{
+ name='ExtAddGroup',
+ typespec=#type{def=#'SEQUENCE'{
+ extaddgroup=Number,
+ components=ExtGroupComps}},
+ prop='OPTIONAL'}|Acc]);
+extaddgroup2sequence([C|T],Acc) ->
+ extaddgroup2sequence(T,[C|Acc]);
+extaddgroup2sequence([],Acc) ->
+ lists:reverse(Acc).