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-rw-r--r--lib/asn1/src/asn1ct_gen.erl16
-rw-r--r--lib/asn1/src/asn1rt_ber_bin.erl157
2 files changed, 74 insertions, 99 deletions
diff --git a/lib/asn1/src/asn1ct_gen.erl b/lib/asn1/src/asn1ct_gen.erl
index fefb92bb34..b8440094bc 100644
--- a/lib/asn1/src/asn1ct_gen.erl
+++ b/lib/asn1/src/asn1ct_gen.erl
@@ -1,26 +1,26 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
+%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
-%%
+%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
-%%
+%%
%% %CopyrightEnd%
%%
%%
-module(asn1ct_gen).
-include("asn1_records.hrl").
-%%-compile(export_all).
+
-export([pgen_exports/3,
pgen_hrl/4,
gen_head/3,
@@ -1301,8 +1301,8 @@ put_chars(undefined,X) ->
put_chars(Y,X) ->
io:put_chars(Y,X).
-fopen(F, Mode) ->
- case file:open(F, Mode) of
+fopen(F, ModeList) ->
+ case file:open(F, ModeList) of
{ok, Fd} ->
Fd;
{error, Reason} ->
diff --git a/lib/asn1/src/asn1rt_ber_bin.erl b/lib/asn1/src/asn1rt_ber_bin.erl
index 71d78377d4..ab04d981b0 100644
--- a/lib/asn1/src/asn1rt_ber_bin.erl
+++ b/lib/asn1/src/asn1rt_ber_bin.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2000-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 2000-2010. All Rights Reserved.
+%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
-%%
+%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
-%%
+%%
%% %CopyrightEnd%
%%
%%
@@ -179,7 +179,7 @@ restbytes2(_RemBytes,Bytes,noext) ->
exit({error,{asn1, {unexpected,Bytes}}});
restbytes2(RemBytes,Bytes,ext) ->
%% {RemBytes,0}.
- {RemBytes,size(Bytes)}.
+ {RemBytes,byte_size(Bytes)}.
@@ -256,8 +256,6 @@ skip_ExtensionAdditions(Bytes,Tags,RmB) ->
end
end.
-
-
%%===============================================================================
%%===============================================================================
%%===============================================================================
@@ -339,7 +337,7 @@ peek_tag(<<PartialTag,Buffer/binary>>, TagAck) ->
peek_tag(Buffer,<<TagAck/binary,PartialTag>>);
peek_tag(_,TagAck) ->
exit({error,{asn1, {invalid_tag,TagAck}}}).
-%%peek_tag([Tag|Buffer]) when (Tag band 31) == 31 ->
+%%peek_tag([Tag|Buffer]) when (Tag band 31) =:= 31 ->
%% [Tag band 2#11011111 | peek_tag(Buffer,[])];
%%%% single tag (tagno < 31)
%%peek_tag([Tag|Buffer]) ->
@@ -474,8 +472,7 @@ encode_tags2([Tag|Trest], BytesSoFar, LenSoFar) ->
encode_tags2([], BytesSoFar, LenSoFar) ->
{BytesSoFar,LenSoFar}.
-encode_tags1([Tag1, Tag2| Trest], Acc)
- when Tag1#tag.type == 'IMPLICIT' ->
+encode_tags1([Tag1, Tag2| Trest], Acc) when Tag1#tag.type =:= 'IMPLICIT' ->
encode_tags1([Tag1#tag{type=Tag2#tag.type,form=Tag2#tag.form}|Trest],Acc);
encode_tags1([Tag1 | Trest], Acc) ->
encode_tags1(Trest, [Tag1|Acc]);
@@ -483,7 +480,7 @@ encode_tags1([], Acc) ->
Acc. % the resulting tags are returned in reverse order
encode_one_tag(Bin) when is_binary(Bin) ->
- {Bin,size(Bin)};
+ {Bin,byte_size(Bin)};
encode_one_tag(#tag{class=Class,number=No,type=Type, form = Form}) ->
NewForm = case Type of
'EXPLICIT' ->
@@ -506,11 +503,6 @@ encode_one_tag(#tag{class=Class,number=No,type=Type, form = Form}) ->
% [encode_tag_val({NewClass, OldForm, NewTagNr}) | Buffer1].
-
-
-
-
-
%%===============================================================================
%%
%% This comment is valid for all the encode/decode functions
@@ -533,20 +525,19 @@ encode_one_tag(#tag{class=Class,number=No,type=Type, form = Form}) ->
%% This version does not consider Explicit tagging of the open type. It
%% is only left because of backward compatibility.
encode_open_type(Val) when is_list(Val) ->
- {Val,size(list_to_binary(Val))};
+ {Val, byte_size(list_to_binary(Val))};
encode_open_type(Val) ->
- {Val, size(Val)}.
+ {Val, byte_size(Val)}.
%%
encode_open_type(Val, []) when is_list(Val) ->
- {Val,size(list_to_binary(Val))};
-encode_open_type(Val,[]) ->
- {Val, size(Val)};
+ {Val, byte_size(list_to_binary(Val))};
+encode_open_type(Val, []) ->
+ {Val, byte_size(Val)};
encode_open_type(Val, Tag) when is_list(Val) ->
- encode_tags(Tag,Val,size(list_to_binary(Val)));
-encode_open_type(Val,Tag) ->
- encode_tags(Tag,Val, size(Val)).
-
+ encode_tags(Tag, Val, byte_size(list_to_binary(Val)));
+encode_open_type(Val, Tag) ->
+ encode_tags(Tag, Val, byte_size(Val)).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -652,8 +643,6 @@ decode_boolean2(Buffer, _) ->
exit({error,{asn1, {decode_boolean, Buffer}}}).
-
-
%%===========================================================================
%% Integer, ITU_T X.690 Chapter 8.3
@@ -664,7 +653,7 @@ decode_boolean2(Buffer, _) ->
%%===========================================================================
encode_integer(C, Val, []) when is_integer(Val) ->
- {EncVal,Len}=encode_integer(C, Val),
+ {EncVal,Len} = encode_integer(C, Val),
dotag_universal(?N_INTEGER,EncVal,Len);
encode_integer(C, Val, Tag) when is_integer(Val) ->
dotag(Tag, ?N_INTEGER, encode_integer(C, Val));
@@ -674,10 +663,9 @@ encode_integer(_, Val, _) ->
exit({error,{asn1, {encode_integer, Val}}}).
-
encode_integer(C, Val, NamedNumberList, Tag) when is_atom(Val) ->
- case lists:keysearch(Val, 1, NamedNumberList) of
- {value,{_, NewVal}} ->
+ case lists:keyfind(Val, 1, NamedNumberList) of
+ {_, NewVal} ->
dotag(Tag, ?N_INTEGER, encode_integer(C, NewVal));
_ ->
exit({error,{asn1, {encode_integer_namednumber, Val}}})
@@ -688,8 +676,6 @@ encode_integer(C, Val, _NamedNumberList, Tag) ->
dotag(Tag, ?N_INTEGER, encode_integer(C, Val)).
-
-
encode_integer(_C, Val) ->
Bytes =
if
@@ -716,7 +702,6 @@ encode_integer_neg(N, Acc) ->
%% (Buffer, Range, NamedNumberList, HasTag, TotalLen) -> {Integer, Remain, RemovedBytes}
%%===============================================================================
-
decode_integer(Buffer, Range, Tags, OptOrMand) ->
NewTags = new_tags(Tags,#tag{class=?UNIVERSAL,number=?N_INTEGER}),
decode_integer_notag(Buffer, Range, [], NewTags, OptOrMand).
@@ -748,8 +733,8 @@ resolve_named_value(Result={Val,Buffer,RemBytes},NamedNumberList) ->
case NamedNumberList of
[] -> Result;
_ ->
- NewVal = case lists:keysearch(Val, 2, NamedNumberList) of
- {value,{NamedVal, _}} ->
+ NewVal = case lists:keyfind(Val, 2, NamedNumberList) of
+ {NamedVal, _} ->
NamedVal;
_ ->
Val
@@ -778,10 +763,10 @@ check_integer_constraint(Result={Val, _Buffer,_},Range) ->
%% encode enumerated value
%%============================================================================
-encode_enumerated(Val, []) when is_integer(Val)->
+encode_enumerated(Val, []) when is_integer(Val) ->
{EncVal,Len} = encode_integer(false,Val),
dotag_universal(?N_ENUMERATED,EncVal,Len);
-encode_enumerated(Val, DoTag) when is_integer(Val)->
+encode_enumerated(Val, DoTag) when is_integer(Val) ->
dotag(DoTag, ?N_ENUMERATED, encode_integer(false,Val));
encode_enumerated({Name,Val}, DoTag) when is_atom(Name) ->
encode_enumerated(Val, DoTag).
@@ -797,11 +782,11 @@ encode_enumerated(C, Val, {NamedNumberList,ExtList}, DoTag) when is_atom(Val) ->
end;
encode_enumerated(C, Val, NamedNumberList, DoTag) when is_atom(Val) ->
- case lists:keysearch(Val, 1, NamedNumberList) of
- {value, {_, NewVal}} when DoTag == []->
+ case lists:keyfind(Val, 1, NamedNumberList) of
+ {_, NewVal} when DoTag =:= [] ->
{EncVal,Len} = encode_integer(C,NewVal),
dotag_universal(?N_ENUMERATED,EncVal,Len);
- {value, {_, NewVal}} ->
+ {_, NewVal} ->
dotag(DoTag, ?N_ENUMERATED, encode_integer(C, NewVal));
_ ->
exit({error,{asn1, {enumerated_not_in_range, Val}}})
@@ -874,8 +859,8 @@ decode_enumerated_notag(Buffer, Range, NNList, Tags, OptOrMand) ->
decode_enumerated1(Val, NamedNumberList) ->
%% it must be a named integer
- case lists:keysearch(Val, 2, NamedNumberList) of
- {value,{NamedVal, _}} ->
+ case lists:keyfind(Val, 2, NamedNumberList) of
+ {NamedVal, _} ->
NamedVal;
_ ->
{asn1_enum,Val}
@@ -1220,32 +1205,32 @@ encode_bin_bit_string(C,{Unused,BinBits},_NamedBitList,DoTag)->
remove_unused_then_dotag(DoTag,StringType,Unused,BinBits) ->
case Unused of
- 0 when (size(BinBits) == 0),DoTag==[] ->
+ 0 when (byte_size(BinBits) =:= 0), DoTag =:= [] ->
%% time optimization of next case
{[StringType,1,0],3};
- 0 when (size(BinBits) == 0) ->
+ 0 when (byte_size(BinBits) =:= 0) ->
dotag(DoTag,StringType,{<<0>>,1});
- 0 when DoTag==[]-> % time optimization of next case
+ 0 when DoTag =:= [] -> % time optimization of next case
dotag_universal(StringType,[Unused|[BinBits]],size(BinBits)+1);
% {LenEnc,Len} = encode_legth(size(BinBits)+1),
% {[StringType,LenEnc,[Unused|BinBits]],size(BinBits)+1+Len+1};
0 ->
dotag(DoTag,StringType,<<Unused,BinBits/binary>>);
- Num when DoTag == [] -> % time optimization of next case
- N = (size(BinBits)-1),
+ Num when DoTag =:= [] -> % time optimization of next case
+ N = byte_size(BinBits) - 1,
<<BBits:N/binary,LastByte>> = BinBits,
dotag_universal(StringType,
[Unused,BBits,(LastByte bsr Num) bsl Num],
- size(BinBits)+1);
+ byte_size(BinBits) + 1);
% {LenEnc,Len} = encode_legth(size(BinBits)+1),
% {[StringType,LenEnc,[Unused,BBits,(LastByte bsr Num) bsl Num],
% 1+Len+size(BinBits)+1};
Num ->
- N = (size(BinBits)-1),
+ N = byte_size(BinBits) - 1,
<<BBits:N/binary,LastByte>> = BinBits,
dotag(DoTag,StringType,{[Unused,binary_to_list(BBits) ++
[(LastByte bsr Num) bsl Num]],
- 1+size(BinBits)})
+ byte_size(BinBits) + 1})
end.
@@ -1291,8 +1276,8 @@ encode_bit_string_named(C, [FirstVal | RestVal], NamedBitList, DoTag) ->
get_all_bitposes([{bit,ValPos}|Rest], NamedBitList, Ack) ->
get_all_bitposes(Rest, NamedBitList, [ValPos | Ack ]);
get_all_bitposes([Val | Rest], NamedBitList, Ack) when is_atom(Val) ->
- case lists:keysearch(Val, 1, NamedBitList) of
- {value, {_ValName, ValPos}} ->
+ case lists:keyfind(Val, 1, NamedBitList) of
+ {_ValName, ValPos} ->
get_all_bitposes(Rest, NamedBitList, [ValPos | Ack]);
_ ->
exit({error,{asn1, {bitstring_namedbit, Val}}})
@@ -1320,10 +1305,6 @@ make_and_set_list(Len, [], XPos) ->
[0 | make_and_set_list(Len - 1, [], XPos + 1)].
-
-
-
-
%%=================================================================
%% Encode bit string for lists of ones and zeroes
%%=================================================================
@@ -1342,7 +1323,7 @@ encode_bit_string_bits(C, BitListVal, _NamedBitList, DoTag) when is_list(BitList
encode_constr_bit_str_bits(Constr,BitListVal,DoTag);
Size ->
case length(BitListVal) of
- BitSize when BitSize == Size ->
+ BitSize when BitSize =:= Size ->
encode_bitstring(BitListVal);
BitSize when BitSize < Size ->
PaddedList =
@@ -1399,7 +1380,7 @@ encode_constr_bit_str_bits({Min,Max},BitListVal,_DoTag) ->
%% as the most significant elements followed by padded zero elements
pad_bit_list(Size,BitListVal) ->
Tail = lists:duplicate(Size,0),
- lists:append(BitListVal,Tail).
+ BitListVal ++ Tail.
%%=================================================================
%% Do the actual encoding
@@ -1513,7 +1494,6 @@ decode_bitstring2(Len, Unused,
%% Decode the bitlist to names
%%----------------------------------------
-
decode_bitstring_NNL(BitList,NamedNumberList) ->
decode_bitstring_NNL(BitList,NamedNumberList,0,[]).
@@ -1523,15 +1503,15 @@ decode_bitstring_NNL([],_,_No,Result) ->
decode_bitstring_NNL([B|BitList],[{Name,No}|NamedNumberList],No,Result) ->
if
- B == 0 ->
+ B =:= 0 ->
decode_bitstring_NNL(BitList,NamedNumberList,No+1,Result);
true ->
decode_bitstring_NNL(BitList,NamedNumberList,No+1,[Name|Result])
end;
decode_bitstring_NNL([1|BitList],NamedNumberList,No,Result) ->
- decode_bitstring_NNL(BitList,NamedNumberList,No+1,[{bit,No}|Result]);
+ decode_bitstring_NNL(BitList,NamedNumberList,No+1,[{bit,No}|Result]);
decode_bitstring_NNL([0|BitList],NamedNumberList,No,Result) ->
- decode_bitstring_NNL(BitList,NamedNumberList,No+1,Result).
+ decode_bitstring_NNL(BitList,NamedNumberList,No+1,Result).
%%============================================================================
@@ -1542,18 +1522,18 @@ decode_bitstring_NNL([0|BitList],NamedNumberList,No,Result) ->
%% the function does not check this because it takes to much time
%%============================================================================
encode_octet_string(_C, OctetList, []) when is_binary(OctetList) ->
- dotag_universal(?N_OCTET_STRING,OctetList,size(OctetList));
+ dotag_universal(?N_OCTET_STRING,OctetList,byte_size(OctetList));
encode_octet_string(_C, OctetList, DoTag) when is_binary(OctetList) ->
- dotag(DoTag, ?N_OCTET_STRING, {OctetList,size(OctetList)});
+ dotag(DoTag, ?N_OCTET_STRING, {OctetList,byte_size(OctetList)});
encode_octet_string(_C, OctetList, DoTag) when is_list(OctetList) ->
case length(OctetList) of
- Len when DoTag == [] ->
+ Len when DoTag =:= [] ->
dotag_universal(?N_OCTET_STRING,OctetList,Len);
Len ->
dotag(DoTag, ?N_OCTET_STRING, {OctetList,Len})
end;
-% encode_octet_string(C, OctetList, DoTag) when is_list(OctetList) ->
-% dotag(DoTag, ?N_OCTET_STRING, {OctetList,length(OctetList)});
+%% encode_octet_string(C, OctetList, DoTag) when is_list(OctetList) ->
+%% dotag(DoTag, ?N_OCTET_STRING, {OctetList,length(OctetList)});
encode_octet_string(C, {Name,OctetList}, DoTag) when is_atom(Name) ->
encode_octet_string(C, OctetList, DoTag).
@@ -1565,7 +1545,7 @@ encode_octet_string(C, {Name,OctetList}, DoTag) when is_atom(Name) ->
%% Octet string is decoded as a restricted string
%%============================================================================
decode_octet_string(Buffer, Range, Tags, TotalLen, OptOrMand) ->
-% NewTags = new_tags(HasTag,#tag{class=?UNIVERSAL,number=?N_OCTET_STRING}),
+%% NewTags = new_tags(HasTag,#tag{class=?UNIVERSAL,number=?N_OCTET_STRING}),
decode_restricted_string(Buffer, Range, ?N_OCTET_STRING,
Tags, TotalLen, [], OptOrMand,old).
@@ -1753,17 +1733,17 @@ decode_relative_oid_notag(Buffer, Tags, OptOrMand) ->
%%============================================================================
encode_restricted_string(_C, OctetList, StringType, [])
when is_binary(OctetList) ->
- dotag_universal(StringType,OctetList,size(OctetList));
+ dotag_universal(StringType, OctetList, byte_size(OctetList));
encode_restricted_string(_C, OctetList, StringType, DoTag)
when is_binary(OctetList) ->
- dotag(DoTag, StringType, {OctetList, size(OctetList)});
+ dotag(DoTag, StringType, {OctetList, byte_size(OctetList)});
encode_restricted_string(_C, OctetList, StringType, [])
when is_list(OctetList) ->
- dotag_universal(StringType,OctetList,length(OctetList));
+ dotag_universal(StringType, OctetList, length(OctetList));
encode_restricted_string(_C, OctetList, StringType, DoTag)
when is_list(OctetList) ->
dotag(DoTag, StringType, {OctetList, length(OctetList)});
-encode_restricted_string(C,{Name,OctetL},StringType,DoTag) when is_atom(Name)->
+encode_restricted_string(C,{Name,OctetL},StringType,DoTag) when is_atom(Name) ->
encode_restricted_string(C, OctetL, StringType, DoTag).
%%============================================================================
@@ -1793,23 +1773,21 @@ decode_restricted_string_tag(Buffer, Range, StringType, TagsIn, LenIn, NNList, O
LenIn, NNList, OptOrMand, BinOrOld).
-
-
check_and_convert_restricted_string(Val,StringType,Range,NamedNumberList,_BinOrOld) ->
{StrLen,NewVal} = case StringType of
- ?N_BIT_STRING when NamedNumberList /= [] ->
+ ?N_BIT_STRING when NamedNumberList =/= [] ->
{no_check,Val};
?N_BIT_STRING when is_list(Val) ->
{length(Val),Val};
?N_BIT_STRING when is_tuple(Val) ->
{(size(element(2,Val))*8) - element(1,Val),Val};
_ when is_binary(Val) ->
- {size(Val),binary_to_list(Val)};
+ {byte_size(Val),binary_to_list(Val)};
_ when is_list(Val) ->
{length(Val), Val}
end,
case Range of
- _ when StrLen == no_check ->
+ _ when StrLen =:= no_check ->
NewVal;
[] -> % No length constraint
NewVal;
@@ -1832,7 +1810,6 @@ check_and_convert_restricted_string(Val,StringType,Range,NamedNumberList,_BinOrO
NewVal
end.
-
%%=============================================================================
%% Common routines for several string types including bit string
%% handles indefinite length
@@ -1840,7 +1817,7 @@ check_and_convert_restricted_string(Val,StringType,Range,NamedNumberList,_BinOrO
decode_restricted_string_notag(Buffer, _Range, StringType, TagsIn,
- _, NamedNumberList, OptOrMand,BinOrOld) ->
+ _, NamedNumberList, OptOrMand, BinOrOld) ->
%%-----------------------------------------------------------
%% Get inner (the implicit tag or no tag) and
%% outer (the explicit tag) lengths.
@@ -1891,7 +1868,7 @@ decode_restricted_parts(Buffer, RestBytes, [], StringType, RestTags, Len, NNList
{concat_bit_binaries(AccVal, Val), AccRb+Rb};
_ when is_binary(Val),is_binary(AccVal) ->
{<<AccVal/binary,Val/binary>>,AccRb+Rb};
- _ when is_binary(Val), AccVal==[] ->
+ _ when is_binary(Val), AccVal =:= [] ->
{Val,AccRb+Rb};
_ ->
{AccVal++Val, AccRb+Rb}
@@ -1977,16 +1954,14 @@ mk_universal_string([A,B,C,D|T],Acc) ->
%% encode UTF8 string
%%============================================================================
encode_UTF8_string(_,UTF8String,[]) when is_binary(UTF8String) ->
- dotag_universal(?N_UTF8String,UTF8String,size(UTF8String));
+ dotag_universal(?N_UTF8String,UTF8String,byte_size(UTF8String));
encode_UTF8_string(_,UTF8String,DoTag) when is_binary(UTF8String) ->
- dotag(DoTag,?N_UTF8String,{UTF8String,size(UTF8String)});
+ dotag(DoTag,?N_UTF8String,{UTF8String,byte_size(UTF8String)});
encode_UTF8_string(_,UTF8String,[]) ->
dotag_universal(?N_UTF8String,UTF8String,length(UTF8String));
encode_UTF8_string(_,UTF8String,DoTag) ->
dotag(DoTag,?N_UTF8String,{UTF8String,length(UTF8String)}).
-
-
%%============================================================================
%% decode UTF8 string
%%============================================================================
@@ -2016,7 +1991,7 @@ decode_UTF8_string_notag(Buffer, Tags, OptOrMand) ->
%% encode BMP string
%%============================================================================
-encode_BMP_string(C, {Name,BMPString}, DoTag) when is_atom(Name)->
+encode_BMP_string(C, {Name,BMPString}, DoTag) when is_atom(Name) ->
encode_BMP_string(C, BMPString, DoTag);
encode_BMP_string(_C, BMPString, []) ->
OctetList = mk_BMP_list(BMPString),
@@ -2464,16 +2439,16 @@ concat_bit_binaries({U1,B1},{U2,B2}) ->
S2 = (size(B2) * 8) - U2,
PadBits = 8 - ((S1+S2) rem 8),
{PadBits, <<B1:S1/binary-unit:1,B2:S2/binary-unit:1,0:PadBits>>};
-concat_bit_binaries(L1,L2) when is_list(L1),is_list(L2) ->
+concat_bit_binaries(L1,L2) when is_list(L1), is_list(L2) ->
%% this case occur when decoding with NNL
L1 ++ L2.
get_constraint(C,Key) ->
- case lists:keysearch(Key,1,C) of
+ case lists:keyfind(Key,1,C) of
false ->
no;
- {value,{_,V}} ->
+ {_, V} ->
V
end.
@@ -2484,7 +2459,7 @@ get_constraint(C,Key) ->
new_tags([],LastTag) ->
[LastTag];
-new_tags(Tags=[#tag{type='IMPLICIT'}],_LastTag) ->
+new_tags(Tags = [#tag{type='IMPLICIT'}],_LastTag) ->
Tags;
new_tags([T1 = #tag{type='IMPLICIT'},#tag{type=T2Type}|Rest],LastTag) ->
new_tags([T1#tag{type=T2Type}|Rest],LastTag);