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authorBjörn Gustavsson <[email protected]>2013-01-22 16:48:41 +0100
committerBjörn Gustavsson <[email protected]>2013-01-23 15:22:56 +0100
commitdc17110cd88153a74900d71d35df608f5d58c0f3 (patch)
treecb13a3bdad07d89b98c96c5292b7297efbf6f728 /lib/asn1/src
parent26182a5c8cf96fa6d255e23a6d4cd0d2c5248a69 (diff)
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per,uper: Optimize decoding of the remaining string types
Diffstat (limited to 'lib/asn1/src')
-rw-r--r--lib/asn1/src/asn1ct_gen_per.erl35
-rw-r--r--lib/asn1/src/asn1ct_imm.erl8
-rw-r--r--lib/asn1/src/asn1rtt_per.erl37
-rw-r--r--lib/asn1/src/asn1rtt_uper.erl30
4 files changed, 38 insertions, 72 deletions
diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl
index 25b0d46295..ddfa39486a 100644
--- a/lib/asn1/src/asn1ct_gen_per.erl
+++ b/lib/asn1/src/asn1ct_gen_per.erl
@@ -1151,6 +1151,20 @@ gen_dec_imm_1('OCTET STRING', Constraint, Aligned) ->
SzConstr = get_constraint(Constraint, 'SizeConstraint'),
Imm = asn1ct_imm:per_dec_octet_string(SzConstr, Aligned),
{convert,binary_to_list,Imm};
+gen_dec_imm_1('TeletexString', _Constraint, Aligned) ->
+ gen_dec_restricted_string(Aligned);
+gen_dec_imm_1('T61String', _Constraint, Aligned) ->
+ gen_dec_restricted_string(Aligned);
+gen_dec_imm_1('VideotexString', _Constraint, Aligned) ->
+ gen_dec_restricted_string(Aligned);
+gen_dec_imm_1('GraphicString', _Constraint, Aligned) ->
+ gen_dec_restricted_string(Aligned);
+gen_dec_imm_1('GeneralString', _Constraint, Aligned) ->
+ gen_dec_restricted_string(Aligned);
+gen_dec_imm_1('ObjectDescriptor', _Constraint, Aligned) ->
+ gen_dec_restricted_string(Aligned);
+gen_dec_imm_1('UTF8String', _Constraint, Aligned) ->
+ asn1ct_imm:per_dec_restricted_string(Aligned);
gen_dec_imm_1('REAL', _Constraint, Aligned) ->
asn1ct_imm:per_dec_real(Aligned);
gen_dec_imm_1(_, _, _) -> no.
@@ -1170,6 +1184,10 @@ gen_dec_copy_bitstring(Imm) ->
gen_dec_k_m_string(Type, Constraint, Aligned) ->
asn1ct_imm:per_dec_k_m_string(Type, Constraint, Aligned).
+gen_dec_restricted_string(Aligned) ->
+ Imm = asn1ct_imm:per_dec_restricted_string(Aligned),
+ {convert,binary_to_list,Imm}.
+
gen_dec_prim(Erule, Type, BytesVar) ->
case gen_dec_imm(Erule, Type) of
no ->
@@ -1179,7 +1197,7 @@ gen_dec_prim(Erule, Type, BytesVar) ->
end.
gen_dec_prim_1(Erule,
- #type{def=Typename,constraint=Constraint}=Att,
+ #type{def=Typename}=Att,
BytesVar) ->
case Typename of
'NULL' ->
@@ -1188,21 +1206,6 @@ gen_dec_prim_1(Erule,
call(Erule, decode_object_identifier, [BytesVar]);
'RELATIVE-OID' ->
call(Erule, decode_relative_oid, [BytesVar]);
- 'ObjectDescriptor' ->
- call(Erule, decode_ObjectDescriptor, [BytesVar]);
- TString when TString == 'TeletexString';
- TString == 'T61String' ->
- call(Erule, decode_TeletexString,
- [BytesVar,{asis,Constraint}]);
- 'VideotexString' ->
- call(Erule, decode_VideotexString,
- [BytesVar,{asis,Constraint}]);
- 'GraphicString' ->
- call(Erule, decode_GraphicString,[BytesVar,{asis,Constraint}]);
- 'GeneralString' ->
- call(Erule, decode_GeneralString, [BytesVar,{asis,Constraint}]);
- 'UTF8String' ->
- call(Erule, decode_UTF8String, [BytesVar]);
#'ObjectClassFieldType'{} ->
case asn1ct_gen:get_inner(Typename) of
{fixedtypevaluefield,_,InnerType} ->
diff --git a/lib/asn1/src/asn1ct_imm.erl b/lib/asn1/src/asn1ct_imm.erl
index fca85fd778..87eadac073 100644
--- a/lib/asn1/src/asn1ct_imm.erl
+++ b/lib/asn1/src/asn1ct_imm.erl
@@ -23,7 +23,8 @@
per_dec_extension_map/1,
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]).
+ per_dec_octet_string/2,per_dec_open_type/1,per_dec_real/1,
+ per_dec_restricted_string/1]).
-export([optimize_alignment/1,optimize_alignment/2,
dec_slim_cg/2,dec_code_gen/2]).
-export([effective_constraint/2]).
@@ -136,6 +137,11 @@ per_dec_real(Aligned) ->
{get_bits,decode_unconstrained_length(true, Aligned),
[8,binary,{align,Aligned}]}}.
+per_dec_restricted_string(Aligned) ->
+ DecLen = decode_unconstrained_length(true, Aligned),
+ {get_bits,DecLen,[8,binary]}.
+
+
%%%
%%% Local functions.
%%%
diff --git a/lib/asn1/src/asn1rtt_per.erl b/lib/asn1/src/asn1rtt_per.erl
index bcd74d9da7..2bcf459330 100644
--- a/lib/asn1/src/asn1rtt_per.erl
+++ b/lib/asn1/src/asn1rtt_per.erl
@@ -30,12 +30,12 @@
encode_relative_oid/1, decode_relative_oid/1,
complete/1,
encode_open_type/1,
- 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_ObjectDescriptor/2, decode_ObjectDescriptor/1,
- encode_UTF8String/1,decode_UTF8String/1,
+ encode_GeneralString/2,
+ encode_GraphicString/2,
+ encode_TeletexString/2,
+ encode_VideotexString/2,
+ encode_ObjectDescriptor/2,
+ encode_UTF8String/1,
encode_octet_string/3,
encode_known_multiplier_string/4,
octets_to_complete/2]).
@@ -866,34 +866,20 @@ encode_known_multiplier_string(SizeC, NumBits, CharOutTab, Val) ->
[encode_length(length(Val)),2,Result]
end.
-decode_restricted_string(Bytes,aligned) ->
- {Len,Bytes2} = decode_length(Bytes,undefined),
- getoctets_as_list(Bytes2,Len).
-
encode_GeneralString(_C,Val) ->
encode_restricted_string(Val).
-decode_GeneralString(Bytes,_C) ->
- decode_restricted_string(Bytes,aligned).
encode_GraphicString(_C,Val) ->
encode_restricted_string(Val).
-decode_GraphicString(Bytes,_C) ->
- decode_restricted_string(Bytes,aligned).
encode_ObjectDescriptor(_C,Val) ->
encode_restricted_string(Val).
-decode_ObjectDescriptor(Bytes) ->
- decode_restricted_string(Bytes,aligned).
encode_TeletexString(_C,Val) -> % equivalent with T61String
encode_restricted_string(Val).
-decode_TeletexString(Bytes,_C) ->
- decode_restricted_string(Bytes,aligned).
encode_VideotexString(_C,Val) ->
encode_restricted_string(Val).
-decode_VideotexString(Bytes,_C) ->
- decode_restricted_string(Bytes,aligned).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -948,17 +934,6 @@ encode_UTF8String(Val) ->
encode_UTF8String(list_to_binary(Val)).
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% decode_UTF8String(Bytes) -> {Utf8Binary,RemainingBytes}
-%% Utf8Binary -> <<utf8 encoded binary>>
-%% RemainingBytes -> <<buffer>>
-decode_UTF8String(Bytes) ->
- {Len,Bytes2} = decode_length(Bytes, undefined),
- {_Bin,_Bytes3} = getoctets_as_bin(Bytes2, Len).
-
-
-
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% encode_object_identifier(Val) -> CompleteList
%% encode_object_identifier({Name,Val}) -> CompleteList
diff --git a/lib/asn1/src/asn1rtt_uper.erl b/lib/asn1/src/asn1rtt_uper.erl
index 92c8d44402..fa4f08363b 100644
--- a/lib/asn1/src/asn1rtt_uper.erl
+++ b/lib/asn1/src/asn1rtt_uper.erl
@@ -36,16 +36,16 @@
-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_GeneralString/2,
+ encode_GraphicString/2,
+ encode_TeletexString/2,
+ encode_VideotexString/2,
encode_VisibleString/2,
- encode_UTF8String/1, decode_UTF8String/1,
+ encode_UTF8String/1,
encode_BMPString/2,
encode_IA5String/2,
encode_NumericString/2,
- encode_ObjectDescriptor/2, decode_ObjectDescriptor/1
+ encode_ObjectDescriptor/2
]).
-define('16K',16384).
@@ -795,10 +795,6 @@ encode_known_multiplier_string(StringType, C, Val) ->
[encode_length(length(Val)),Result]
end.
-decode_restricted_string(Bytes) ->
- {Len,Bytes2} = decode_length(Bytes, undefined),
- getoctets_as_list(Bytes2,Len).
-
encode_NumericString(C,Val) ->
encode_known_multiplier_string('NumericString',C,Val).
@@ -823,28 +819,18 @@ encode_UniversalString(C,Val) ->
encode_GeneralString(_C,Val) ->
encode_restricted_string(Val).
-decode_GeneralString(Bytes,_C) ->
- decode_restricted_string(Bytes).
encode_GraphicString(_C,Val) ->
encode_restricted_string(Val).
-decode_GraphicString(Bytes,_C) ->
- decode_restricted_string(Bytes).
encode_ObjectDescriptor(_C,Val) ->
encode_restricted_string(Val).
-decode_ObjectDescriptor(Bytes) ->
- decode_restricted_string(Bytes).
encode_TeletexString(_C,Val) -> % equivalent with T61String
encode_restricted_string(Val).
-decode_TeletexString(Bytes,_C) ->
- decode_restricted_string(Bytes).
encode_VideotexString(_C,Val) ->
encode_restricted_string(Val).
-decode_VideotexString(Bytes,_C) ->
- decode_restricted_string(Bytes).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -983,10 +969,6 @@ encode_UTF8String(Val) ->
Bin = list_to_binary(Val),
encode_UTF8String(Bin).
-decode_UTF8String(Bytes) ->
- {Len,Bytes2} = decode_length(Bytes, undefined),
- getoctets_as_bin(Bytes2,Len).
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% encode_object_identifier(Val) -> CompleteList