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-rw-r--r--lib/asn1/src/asn1ct_gen_per.erl39
-rw-r--r--lib/asn1/src/asn1ct_gen_per_rt2ct.erl75
-rw-r--r--lib/asn1/src/asn1ct_imm.erl97
-rw-r--r--lib/asn1/src/asn1rtt_per.erl64
-rw-r--r--lib/asn1/src/asn1rtt_per_common.erl31
-rw-r--r--lib/asn1/src/asn1rtt_uper.erl133
6 files changed, 176 insertions, 263 deletions
diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl
index b38af3306a..25b0d46295 100644
--- a/lib/asn1/src/asn1ct_gen_per.erl
+++ b/lib/asn1/src/asn1ct_gen_per.erl
@@ -1131,6 +1131,22 @@ gen_dec_imm_1({'INTEGER',NamedNumberList}, Constraint, Aligned) ->
asn1ct_imm:per_dec_named_integer(Constraint,
NamedNumberList,
Aligned);
+gen_dec_imm_1('BMPString'=Type, Constraint, Aligned) ->
+ gen_dec_k_m_string(Type, Constraint, Aligned);
+gen_dec_imm_1('NumericString'=Type, Constraint, Aligned) ->
+ gen_dec_k_m_string(Type, Constraint, Aligned);
+gen_dec_imm_1('PrintableString'=Type, Constraint, Aligned) ->
+ gen_dec_k_m_string(Type, Constraint, Aligned);
+gen_dec_imm_1('VisibleString'=Type, Constraint, Aligned) ->
+ gen_dec_k_m_string(Type, Constraint, Aligned);
+gen_dec_imm_1('IA5String'=Type, Constraint, Aligned) ->
+ gen_dec_k_m_string(Type, Constraint, Aligned);
+gen_dec_imm_1('UniversalString'=Type, Constraint, Aligned) ->
+ gen_dec_k_m_string(Type, Constraint, Aligned);
+gen_dec_imm_1('UTCTime', Constraint, Aligned) ->
+ gen_dec_k_m_string('VisibleString', Constraint, Aligned);
+gen_dec_imm_1('GeneralizedTime', Constraint, Aligned) ->
+ gen_dec_k_m_string('VisibleString', Constraint, Aligned);
gen_dec_imm_1('OCTET STRING', Constraint, Aligned) ->
SzConstr = get_constraint(Constraint, 'SizeConstraint'),
Imm = asn1ct_imm:per_dec_octet_string(SzConstr, Aligned),
@@ -1151,6 +1167,9 @@ gen_dec_copy_bitstring(Imm) ->
end,
{call,D,Imm}.
+gen_dec_k_m_string(Type, Constraint, Aligned) ->
+ asn1ct_imm:per_dec_k_m_string(Type, Constraint, Aligned).
+
gen_dec_prim(Erule, Type, BytesVar) ->
case gen_dec_imm(Erule, Type) of
no ->
@@ -1171,9 +1190,6 @@ gen_dec_prim_1(Erule,
call(Erule, decode_relative_oid, [BytesVar]);
'ObjectDescriptor' ->
call(Erule, decode_ObjectDescriptor, [BytesVar]);
- 'NumericString' ->
- call(Erule, decode_NumericString,
- [BytesVar,{asis,Constraint}]);
TString when TString == 'TeletexString';
TString == 'T61String' ->
call(Erule, decode_TeletexString,
@@ -1181,27 +1197,10 @@ gen_dec_prim_1(Erule,
'VideotexString' ->
call(Erule, decode_VideotexString,
[BytesVar,{asis,Constraint}]);
- 'UTCTime' ->
- call(Erule, decode_VisibleString, [BytesVar,{asis,Constraint}]);
- 'GeneralizedTime' ->
- call(Erule, decode_VisibleString, [BytesVar,{asis,Constraint}]);
'GraphicString' ->
call(Erule, decode_GraphicString,[BytesVar,{asis,Constraint}]);
- 'VisibleString' ->
- call(Erule, decode_VisibleString, [BytesVar,{asis,Constraint}]);
'GeneralString' ->
call(Erule, decode_GeneralString, [BytesVar,{asis,Constraint}]);
- 'PrintableString' ->
- call(Erule, decode_PrintableString,
- [BytesVar,{asis,Constraint}]);
- 'IA5String' ->
- call(Erule, decode_IA5String, [BytesVar,{asis,Constraint}]);
- 'BMPString' ->
- call(Erule, decode_BMPString,
- [BytesVar,{asis,Constraint}]);
- 'UniversalString' ->
- call(Erule, decode_UniversalString,
- [BytesVar,{asis,Constraint}]);
'UTF8String' ->
call(Erule, decode_UTF8String, [BytesVar]);
#'ObjectClassFieldType'{} ->
diff --git a/lib/asn1/src/asn1ct_gen_per_rt2ct.erl b/lib/asn1/src/asn1ct_gen_per_rt2ct.erl
index bf08494c5c..b6be3a1a8f 100644
--- a/lib/asn1/src/asn1ct_gen_per_rt2ct.erl
+++ b/lib/asn1/src/asn1ct_gen_per_rt2ct.erl
@@ -263,54 +263,26 @@ emit_enc_k_m_string(SizeC, NumBits, CharOutTab, Value) ->
call(per, encode_known_multiplier_string,
[{asis,SizeC},NumBits,{asis,CharOutTab},Value]).
-emit_dec_known_multiplier_string(StringType,C,BytesVar) ->
- SizeC = get_constraint(C,'SizeConstraint'),
- PAlphabC = get_constraint(C,'PermittedAlphabet'),
- case {StringType,PAlphabC} of
- {'BMPString',{_,_}} ->
- exit({error,{asn1,
- {'not implemented',
- "BMPString with PermittedAlphabet "
- "constraint"}}});
- _ ->
- ok
- end,
- NumBits = get_NumBits(C,StringType),
- CharInTab = get_CharInTab(C,StringType),
- case SizeC of
- 0 ->
- emit({"{[],",BytesVar,"}"});
- _ ->
- call(per, decode_known_multiplier_string,
- [{asis,StringType},{asis,SizeC},NumBits,
- {asis,CharInTab},BytesVar])
- end.
-
%% copied from run time module
-get_CharOutTab(C,StringType) ->
- get_CharTab(C,StringType,out).
-
-get_CharInTab(C,StringType) ->
- get_CharTab(C,StringType,in).
-
-get_CharTab(C,StringType,InOut) ->
+get_CharOutTab(C, StringType) ->
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' ->
@@ -318,18 +290,13 @@ 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) ->
@@ -1401,7 +1368,6 @@ gen_decode_user(Erules,D) when is_record(D,typedef) ->
gen_dec_prim(Erules,Att,BytesVar) ->
Typename = Att#type.def,
- Constraint = Att#type.constraint,
case Typename of
'INTEGER' ->
asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
@@ -1429,8 +1395,7 @@ gen_dec_prim(Erules,Att,BytesVar) ->
asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'NumericString' ->
- emit_dec_known_multiplier_string('NumericString',
- Constraint,BytesVar);
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
TString when TString == 'TeletexString';
TString == 'T61String' ->
asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
@@ -1439,32 +1404,30 @@ gen_dec_prim(Erules,Att,BytesVar) ->
asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'UTCTime' ->
- emit_dec_known_multiplier_string('VisibleString',
- Constraint,BytesVar);
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
+
'GeneralizedTime' ->
- emit_dec_known_multiplier_string('VisibleString',
- Constraint,BytesVar);
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
+
'GraphicString' ->
asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'VisibleString' ->
- emit_dec_known_multiplier_string('VisibleString',
- Constraint,BytesVar);
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
+
'GeneralString' ->
asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'PrintableString' ->
- emit_dec_known_multiplier_string('PrintableString',
- Constraint,BytesVar);
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'IA5String' ->
- emit_dec_known_multiplier_string('IA5String',Constraint,BytesVar);
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'BMPString' ->
- emit_dec_known_multiplier_string('BMPString',Constraint,BytesVar);
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'UniversalString' ->
- emit_dec_known_multiplier_string('UniversalString',
- Constraint,BytesVar);
+ asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
'UTF8String' ->
asn1ct_gen_per:gen_dec_prim(Erules, Att, BytesVar);
diff --git a/lib/asn1/src/asn1ct_imm.erl b/lib/asn1/src/asn1ct_imm.erl
index d0459ae60b..fca85fd778 100644
--- a/lib/asn1/src/asn1ct_imm.erl
+++ b/lib/asn1/src/asn1ct_imm.erl
@@ -21,7 +21,8 @@
-export([per_dec_raw_bitstring/2,
per_dec_boolean/0,per_dec_enumerated/2,per_dec_enumerated/3,
per_dec_extension_map/1,
- per_dec_integer/2,per_dec_length/3,per_dec_named_integer/3,
+ per_dec_integer/2,per_dec_k_m_string/3,
+ per_dec_length/3,per_dec_named_integer/3,
per_dec_octet_string/2,per_dec_open_type/1,per_dec_real/1]).
-export([optimize_alignment/1,optimize_alignment/2,
dec_slim_cg/2,dec_code_gen/2]).
@@ -109,6 +110,13 @@ per_dec_named_integer(Constraint, NamedList0, Aligned) ->
NamedList = [{K,V} || {V,K} <- NamedList0] ++ [integer_default],
{map,Int,NamedList}.
+per_dec_k_m_string(StringType, Constraint, Aligned) ->
+ SzConstr = get_constraint(Constraint, 'SizeConstraint'),
+ N = string_num_bits(StringType, Constraint, Aligned),
+ Imm = dec_string(SzConstr, N, Aligned),
+ Chars = char_tab(Constraint, StringType, N),
+ convert_string(N, Chars, Imm).
+
per_dec_octet_string(Constraint, Aligned) ->
dec_string(Constraint, 8, Aligned).
@@ -259,6 +267,93 @@ matched_range({get_bits,Bits0,[U|Flags]}) when is_integer(U) ->
end;
matched_range(_Op) -> unknown.
+string_num_bits(StringType, Constraint, Aligned) ->
+ case get_constraint(Constraint, 'PermittedAlphabet') of
+ {'SingleValue',Sv} ->
+ charbits(length(Sv), Aligned);
+ no ->
+ case StringType of
+ 'IA5String' ->
+ charbits(128, Aligned);
+ 'VisibleString' ->
+ charbits(95, Aligned);
+ 'PrintableString' ->
+ charbits(74, Aligned);
+ 'NumericString' ->
+ charbits(11, Aligned);
+ 'UniversalString' ->
+ 32;
+ 'BMPString' ->
+ 16
+ end
+ end.
+
+charbits(NumChars, false) ->
+ uper_num_bits(NumChars);
+charbits(NumChars, true) ->
+ 1 bsl uper_num_bits(uper_num_bits(NumChars)).
+
+convert_string(8, notab, Imm) ->
+ {convert,binary_to_list,Imm};
+convert_string(NumBits, notab, Imm) when NumBits < 8 ->
+ Dec = fun(V, Buf) ->
+ emit(["{",{call,per_common,decode_chars,
+ [V,NumBits]},com,Buf,"}"])
+ end,
+ {call,Dec,Imm};
+convert_string(NumBits, notab, Imm) when NumBits =:= 16 ->
+ Dec = fun(V, Buf) ->
+ emit(["{",{call,per_common,decode_chars_16bit,
+ [V]},com,Buf,"}"])
+ end,
+ {call,Dec,Imm};
+convert_string(NumBits, notab, Imm) ->
+ Dec = fun(V, Buf) ->
+ emit(["{",{call,per_common,decode_big_chars,
+ [V,NumBits]},com,Buf,"}"])
+ end,
+ {call,Dec,Imm};
+convert_string(NumBits, Chars, Imm) ->
+ Dec = fun(V, Buf) ->
+ emit(["{",{call,per_common,decode_chars,
+ [V,NumBits,{asis,Chars}]},com,Buf,"}"])
+ end,
+ {call,Dec,Imm}.
+
+char_tab(C, StringType, NumBits) ->
+ case get_constraint(C, 'PermittedAlphabet') of
+ {'SingleValue',Sv} ->
+ char_tab_1(Sv, NumBits);
+ no ->
+ case StringType of
+ 'IA5String' ->
+ notab;
+ 'VisibleString' ->
+ notab;
+ 'PrintableString' ->
+ Chars = " '()+,-./0123456789:=?"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz",
+ char_tab_1(Chars, NumBits);
+ 'NumericString' ->
+ char_tab_1(" 0123456789", NumBits);
+ 'UniversalString' ->
+ notab;
+ 'BMPString' ->
+ notab
+ end
+ end.
+
+char_tab_1(Chars, NumBits) ->
+ Max = lists:max(Chars),
+ BitValMax = (1 bsl NumBits) - 1,
+ if
+ Max =< BitValMax ->
+ notab;
+ true ->
+ list_to_tuple(lists:sort(Chars))
+ end.
+
%%%
%%% Remove unnecessary aligning to octet boundaries.
%%%
diff --git a/lib/asn1/src/asn1rtt_per.erl b/lib/asn1/src/asn1rtt_per.erl
index 7903dcf9e9..bcd74d9da7 100644
--- a/lib/asn1/src/asn1rtt_per.erl
+++ b/lib/asn1/src/asn1rtt_per.erl
@@ -38,7 +38,6 @@
encode_UTF8String/1,decode_UTF8String/1,
encode_octet_string/3,
encode_known_multiplier_string/4,
- decode_known_multiplier_string/5,
octets_to_complete/2]).
-define('16K',16384).
@@ -871,27 +870,6 @@ decode_restricted_string(Bytes,aligned) ->
{Len,Bytes2} = decode_length(Bytes,undefined),
getoctets_as_list(Bytes2,Len).
-decode_known_multiplier_string(StringType,SizeC,NumBits,CharInTab,Bytes) ->
- case SizeC of
- Ub when is_integer(Ub), Ub*NumBits =< 16 ->
- chars_decode(Bytes,NumBits,StringType,CharInTab,Ub);
- Ub when is_integer(Ub),Ub =<65535 -> % fixed length
- Bytes1 = align(Bytes),
- chars_decode(Bytes1,NumBits,StringType,CharInTab,Ub);
- Vl when is_list(Vl) ->
- {Len,Bytes1} = decode_length(Bytes,{hd(Vl),lists:max(Vl)}),
- Bytes2 = align(Bytes1),
- chars_decode(Bytes2,NumBits,StringType,CharInTab,Len);
- no ->
- {Len,Bytes1} = decode_length(Bytes,undefined),
- Bytes2 = align(Bytes1),
- chars_decode(Bytes2,NumBits,StringType,CharInTab,Len);
- {Lb,Ub}->
- {Len,Bytes1} = decode_length(Bytes,{Lb,Ub}),
- Bytes2 = align(Bytes1),
- chars_decode(Bytes2,NumBits,StringType,CharInTab,Len)
- end.
-
encode_GeneralString(_C,Val) ->
encode_restricted_string(Val).
decode_GeneralString(Bytes,_C) ->
@@ -918,18 +896,6 @@ decode_VideotexString(Bytes,_C) ->
decode_restricted_string(Bytes,aligned).
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% getBMPChars(Bytes,Len) ->{BMPcharList,RemainingBytes}
-%%
-getBMPChars(<<T/binary>>, 0, Acc) ->
- {lists:reverse(Acc),T};
-getBMPChars(<<0,O2,Bytes1/bitstring>>, Len, Acc) ->
- getBMPChars(Bytes1,Len-1,[O2|Acc]);
-getBMPChars(<<O1,O2,Bytes1/bitstring>>, Len, Acc) ->
- getBMPChars(Bytes1,Len-1,[{0,0,O1,O2}|Acc]).
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% chars_encode(C,StringType,Value) -> ValueList
%%
@@ -970,36 +936,6 @@ pre_complete_bits(NumBits,Val) when NumBits =< 2040 -> % 255 * 8
[30,Unused,Len div 8,<<(Val bsl Unused):Len>>].
-chars_decode(Bytes,_,'BMPString',_,Len) ->
- getBMPChars(Bytes,Len,[]);
-chars_decode(Bytes,NumBits,_StringType,CharInTab,Len) ->
- 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]).
-
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% encode_UTF8String(Val) -> CompleteList
%% Val -> <<utf8encoded binary>>
diff --git a/lib/asn1/src/asn1rtt_per_common.erl b/lib/asn1/src/asn1rtt_per_common.erl
index 2edd240baf..cd6e9e2c99 100644
--- a/lib/asn1/src/asn1rtt_per_common.erl
+++ b/lib/asn1/src/asn1rtt_per_common.erl
@@ -24,7 +24,10 @@
-export([decode_fragmented/3,
decode_compact_bit_string/1,
decode_legacy_bit_string/1,
- decode_named_bit_string/2]).
+ decode_named_bit_string/2,
+ decode_chars/2,decode_chars/3,
+ decode_chars_16bit/1,
+ decode_big_chars/2]).
-define('16K',16384).
@@ -58,6 +61,20 @@ decode_compact_bit_string(Val) ->
PadLen = (8 - (bit_size(Val) band 7)) band 7,
{PadLen,<<Val/bitstring,0:PadLen>>}.
+decode_chars(Val, N) ->
+ [C || <<C:N>> <= Val].
+
+decode_chars(Val, N, Chars) ->
+ [element(C+1, Chars) || <<C:N>> <= Val].
+
+decode_chars_16bit(Val) ->
+ Cs = [C || <<C:16>> <= Val],
+ decode_chars_16bit_1(Cs).
+
+decode_big_chars(Val, N) ->
+ decode_big_chars_1(decode_chars(Val, N)).
+
+
%%%
%%% Internal functions.
%%%
@@ -73,3 +90,15 @@ decode_named_bit_string_1(Pos, [1|Bt], Names, Acc) ->
end;
decode_named_bit_string_1(_Pos, [], _Names, Acc) ->
lists:reverse(Acc).
+
+decode_chars_16bit_1([H|T]) when H < 256 ->
+ [H|decode_chars_16bit_1(T)];
+decode_chars_16bit_1([H|T]) ->
+ [{0,0,H bsr 8,H band 255}|decode_chars_16bit_1(T)];
+decode_chars_16bit_1([]) -> [].
+
+decode_big_chars_1([H|T]) when H < 256 ->
+ [H|decode_big_chars_1(T)];
+decode_big_chars_1([H|T]) ->
+ [list_to_tuple(binary_to_list(<<H:32>>))|decode_big_chars_1(T)];
+decode_big_chars_1([]) -> [].
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];
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 06:20:32 +0000