diff options
Diffstat (limited to 'lib/asn1/src/asn1ct_gen_per.erl')
| -rw-r--r-- | lib/asn1/src/asn1ct_gen_per.erl | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl index 23fb392d60..8313cf1b60 100644 --- a/lib/asn1/src/asn1ct_gen_per.erl +++ b/lib/asn1/src/asn1ct_gen_per.erl @@ -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). |