diff options
Diffstat (limited to 'lib/asn1/src/asn1rtt_uper.erl')
-rw-r--r-- | lib/asn1/src/asn1rtt_uper.erl | 133 |
1 files changed, 12 insertions, 121 deletions
diff --git a/lib/asn1/src/asn1rtt_uper.erl b/lib/asn1/src/asn1rtt_uper.erl index 2d91e0df24..92c8d44402 100644 --- a/lib/asn1/src/asn1rtt_uper.erl +++ b/lib/asn1/src/asn1rtt_uper.erl @@ -34,17 +34,17 @@ -export([encode_open_type/1]). - -export([encode_UniversalString/2, decode_UniversalString/2, - encode_PrintableString/2, decode_PrintableString/2, + -export([encode_UniversalString/2, + encode_PrintableString/2, encode_GeneralString/2, decode_GeneralString/2, encode_GraphicString/2, decode_GraphicString/2, encode_TeletexString/2, decode_TeletexString/2, encode_VideotexString/2, decode_VideotexString/2, - encode_VisibleString/2, decode_VisibleString/2, + encode_VisibleString/2, encode_UTF8String/1, decode_UTF8String/1, - encode_BMPString/2, decode_BMPString/2, - encode_IA5String/2, decode_IA5String/2, - encode_NumericString/2, decode_NumericString/2, + encode_BMPString/2, + encode_IA5String/2, + encode_NumericString/2, encode_ObjectDescriptor/2, decode_ObjectDescriptor/1 ]). @@ -799,56 +799,23 @@ decode_restricted_string(Bytes) -> {Len,Bytes2} = decode_length(Bytes, undefined), getoctets_as_list(Bytes2,Len). -decode_known_multiplier_string(Bytes, StringType, C, _Ext) -> - NumBits = get_NumBits(C, StringType), - case get_constraint(C, 'SizeConstraint') of - Ub when is_integer(Ub), Ub*NumBits =< 16 -> - chars_decode(Bytes, NumBits, StringType, C, Ub); - Ub when is_integer(Ub), Ub =<65535 -> % fixed length - chars_decode(Bytes,NumBits,StringType,C,Ub); - 0 -> - {[],Bytes}; - Vl when is_list(Vl) -> - {Len,Bytes1} = decode_length(Bytes,{hd(Vl),lists:max(Vl)}), - chars_decode(Bytes1,NumBits,StringType,C,Len); - no -> - {Len,Bytes1} = decode_length(Bytes,undefined), - chars_decode(Bytes1,NumBits,StringType,C,Len); - {Lb,Ub}-> - {Len,Bytes1} = decode_length(Bytes,{Lb,Ub}), - chars_decode(Bytes1,NumBits,StringType,C,Len) - end. - - encode_NumericString(C,Val) -> encode_known_multiplier_string('NumericString',C,Val). -decode_NumericString(Bytes,C) -> - decode_known_multiplier_string(Bytes,'NumericString',C,false). encode_PrintableString(C,Val) -> encode_known_multiplier_string('PrintableString',C,Val). -decode_PrintableString(Bytes,C) -> - decode_known_multiplier_string(Bytes,'PrintableString',C,false). encode_VisibleString(C,Val) -> % equivalent with ISO646String encode_known_multiplier_string('VisibleString',C,Val). -decode_VisibleString(Bytes,C) -> - decode_known_multiplier_string(Bytes,'VisibleString',C,false). encode_IA5String(C,Val) -> encode_known_multiplier_string('IA5String',C,Val). -decode_IA5String(Bytes,C) -> - decode_known_multiplier_string(Bytes,'IA5String',C,false). encode_BMPString(C,Val) -> encode_known_multiplier_string('BMPString',C,Val). -decode_BMPString(Bytes,C) -> - decode_known_multiplier_string(Bytes,'BMPString',C,false). encode_UniversalString(C,Val) -> encode_known_multiplier_string('UniversalString',C,Val). -decode_UniversalString(Bytes,C) -> - decode_known_multiplier_string(Bytes,'UniversalString',C,false). %% end of known-multiplier strings for which PER visible constraints are @@ -880,33 +847,6 @@ decode_VideotexString(Bytes,_C) -> decode_restricted_string(Bytes). -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% getBMPChars(Bytes, Len) -> {BMPcharList,RemainingBytes} -%% -getBMPChars(Bytes, 1) -> - {O1,Bytes2} = getbits(Bytes, 8), - {O2,Bytes3} = getbits(Bytes2, 8), - if - O1 == 0 -> - {[O2],Bytes3}; - true -> - {[{0,0,O1,O2}],Bytes3} - end; -getBMPChars(Bytes, Len) -> - getBMPChars(Bytes, Len, []). - -getBMPChars(Bytes, 0, Acc) -> - {lists:reverse(Acc),Bytes}; -getBMPChars(Bytes, Len, Acc) -> - {Octs,Bytes1} = getoctets_as_list(Bytes,2), - case Octs of - [0,O2] -> - getBMPChars(Bytes1, Len-1, [O2|Acc]); - [O1,O2]-> - getBMPChars(Bytes1, Len-1, [{0,0,O1,O2}|Acc]) - end. - - %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% chars_encode(C,StringType,Value) -> ValueList %% @@ -970,27 +910,21 @@ get_NumBits(C,StringType) -> end. get_CharOutTab(C,StringType) -> - get_CharTab(C,StringType,out). - -get_CharInTab(C,StringType) -> - get_CharTab(C,StringType,in). - -get_CharTab(C,StringType,InOut) -> case get_constraint(C,'PermittedAlphabet') of {'SingleValue',Sv} -> - get_CharTab2(C,StringType,hd(Sv),lists:max(Sv),Sv,InOut); + get_CharTab2(C,StringType,hd(Sv),lists:max(Sv),Sv); no -> case StringType of 'IA5String' -> {0,16#7F,notab}; 'VisibleString' -> - get_CharTab2(C,StringType,16#20,16#7F,notab,InOut); + get_CharTab2(C,StringType,16#20,16#7F,notab); 'PrintableString' -> Chars = lists:sort( " '()+,-./0123456789:=?ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"), - get_CharTab2(C,StringType,hd(Chars),lists:max(Chars),Chars,InOut); + get_CharTab2(C,StringType,hd(Chars),lists:max(Chars),Chars); 'NumericString' -> - get_CharTab2(C,StringType,16#20,$9," 0123456789",InOut); + get_CharTab2(C,StringType,16#20,$9," 0123456789"); 'UniversalString' -> {0,16#FFFFFFFF,notab}; 'BMPString' -> @@ -998,18 +932,13 @@ get_CharTab(C,StringType,InOut) -> end end. -get_CharTab2(C,StringType,Min,Max,Chars,InOut) -> +get_CharTab2(C,StringType,Min,Max,Chars) -> BitValMax = (1 bsl get_NumBits(C,StringType))-1, if Max =< BitValMax -> {0,Max,notab}; true -> - case InOut of - out -> - {Min,Max,create_char_tab(Min,Chars)}; - in -> - {Min,Max,list_to_tuple(Chars)} - end + {Min,Max,create_char_tab(Min,Chars)} end. create_char_tab(Min,L) -> @@ -1047,44 +976,6 @@ charbits1(NumOfChars) -> 1 + charbits1(NumOfChars bsr 1). -chars_decode(Bytes,_,'BMPString',C,Len) -> - case get_constraint(C,'PermittedAlphabet') of - no -> - getBMPChars(Bytes,Len); - _ -> - exit({error,{asn1, - {'not implemented', - "BMPString with PermittedAlphabet constraint"}}}) - end; -chars_decode(Bytes,NumBits,StringType,C,Len) -> - CharInTab = get_CharInTab(C,StringType), - chars_decode2(Bytes,CharInTab,NumBits,Len). - - -chars_decode2(Bytes,CharInTab,NumBits,Len) -> - chars_decode2(Bytes,CharInTab,NumBits,Len,[]). - -chars_decode2(Bytes,_CharInTab,_NumBits,0,Acc) -> - {lists:reverse(Acc),Bytes}; -chars_decode2(Bytes,{Min,Max,notab},NumBits,Len,Acc) when NumBits > 8 -> - {Char,Bytes2} = getbits(Bytes,NumBits), - Result = - if - Char < 256 -> Char; - true -> - list_to_tuple(binary_to_list(<<Char:32>>)) - end, - chars_decode2(Bytes2,{Min,Max,notab},NumBits,Len -1,[Result|Acc]); -chars_decode2(Bytes,{Min,Max,notab},NumBits,Len,Acc) -> - {Char,Bytes2} = getbits(Bytes,NumBits), - chars_decode2(Bytes2,{Min,Max,notab},NumBits,Len -1,[Char+Min|Acc]); - -%% BMPString and UniversalString with PermittedAlphabet is currently not supported -chars_decode2(Bytes,{Min,Max,CharInTab},NumBits,Len,Acc) -> - {Char,Bytes2} = getbits(Bytes,NumBits), - chars_decode2(Bytes2,{Min,Max,CharInTab},NumBits,Len -1,[element(Char+1,CharInTab)|Acc]). - - %% UTF8String encode_UTF8String(Val) when is_binary(Val) -> [encode_length(byte_size(Val)),Val]; 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