diff options
Diffstat (limited to 'lib/asn1/src/asn1rtt_ber.erl')
| -rw-r--r-- | lib/asn1/src/asn1rtt_ber.erl | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/lib/asn1/src/asn1rtt_ber.erl b/lib/asn1/src/asn1rtt_ber.erl index 509c091355..499db701d9 100644 --- a/lib/asn1/src/asn1rtt_ber.erl +++ b/lib/asn1/src/asn1rtt_ber.erl @@ -27,7 +27,8 @@ skip_ExtensionAdditions/2]). -export([encode_boolean/2,decode_boolean/2, encode_integer/2,encode_integer/3, - decode_integer/3,decode_integer/4, + decode_integer/2,decode_integer/3, + decode_named_integer/3,decode_named_integer/4, encode_enumerated/2,decode_enumerated/3, encode_bit_string/4, decode_named_bit_string/3, @@ -700,11 +701,20 @@ encode_integer_neg(N, Acc) -> %% (Buffer, Range, NamedNumberList, HasTag, TotalLen) -> {Integer, Remain, RemovedBytes} %%=============================================================================== -decode_integer(Tlv, Range, NamedNumberList, TagIn) -> +decode_named_integer(Tlv, NamedNumberList, TagIn) -> + V = match_tags(Tlv, TagIn), + Int = decode_integer(V), + number2name(Int, NamedNumberList). + +decode_named_integer(Tlv, Range, NamedNumberList, TagIn) -> V = match_tags(Tlv, TagIn), Int = range_check_integer(decode_integer(V), Range), number2name(Int, NamedNumberList). +decode_integer(Tlv, TagIn) -> + V = match_tags(Tlv, TagIn), + decode_integer(V). + decode_integer(Tlv, Range, TagIn) -> V = match_tags(Tlv, TagIn), Int = decode_integer(V), @@ -715,21 +725,10 @@ decode_integer(Bin) -> <<Int:Len/signed-unit:8>> = Bin, Int. +range_check_integer(Int, {Lb,Ub}) when Lb =< Int, Int =< Ub -> + Int; range_check_integer(Int, Range) -> - case Range of - [] -> % No length constraint - Int; - {Lb,Ub} when Int >= Lb, Ub >= Int -> % variable length constraint - Int; - {_,_} -> - exit({error,{asn1,{integer_range,Range,Int}}}); - Int -> % fixed value constraint - Int; - SingleValue when is_integer(SingleValue) -> - exit({error,{asn1,{integer_range,Range,Int}}}); - _ -> % some strange constraint that we don't support yet - Int - end. + exit({error,{asn1,{integer_range,Range,Int}}}). number2name(Int, []) -> Int; |