%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2014. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
-module(unicode_SUITE).
-include_lib("common_test/include/ct.hrl").
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
init_per_testcase/2,
end_per_testcase/2,
utf8_illegal_sequences_bif/1,
utf16_illegal_sequences_bif/1,
random_lists/1,
roundtrips/1,
latin1/1,
exceptions/1,
binaries_errors_limit/1,
ex_binaries_errors_utf8/1,
ex_binaries_errors_utf16_little/1,
ex_binaries_errors_utf16_big/1,
ex_binaries_errors_utf32_little/1,
ex_binaries_errors_utf32_big/1]).
init_per_testcase(_Case, Config) ->
Config.
end_per_testcase(_Case, _Config) ->
ok.
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap,{minutes,20}}].
all() ->
[utf8_illegal_sequences_bif,
utf16_illegal_sequences_bif, random_lists, roundtrips,
latin1, exceptions,
binaries_errors_limit,
{group,binaries_errors}].
groups() ->
[{binaries_errors,[parallel],
[ex_binaries_errors_utf8,
ex_binaries_errors_utf16_little,
ex_binaries_errors_utf16_big,
ex_binaries_errors_utf32_little,
ex_binaries_errors_utf32_big]}].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
binaries_errors_limit(Config) when is_list(Config) ->
setlimit(10),
ex_binaries_errors_utf8(Config),
setlimit(default),
ok.
ex_binaries_errors_utf8(Config) when is_list(Config) ->
%% Original smoke test, we should not forget the original offset...
<<_:8,_:8,RR2/binary>> = <<$a,$b,164,165,$c>>,
{error,[],<<164,165,$c>>} = unicode:characters_to_list(RR2),
%% Now, try with longer binary (trapping)
BrokenPart = list_to_binary(lists:seq(128,255)),
BrokenSz = byte_size(BrokenPart),
Seq255 = lists:seq(1,255),
[ begin
OKList = lists:flatten(lists:duplicate(N,Seq255)),
OKBin = unicode:characters_to_binary(OKList),
OKLen = length(OKList),
%% Copy to avoid that the binary get's writable
PartlyBroken = binary:copy(<<OKBin/binary, BrokenPart/binary>>),
PBSz = byte_size(PartlyBroken),
{error,OKList,DeepBrokenPart} =
unicode:characters_to_list(PartlyBroken),
BrokenPart = iolist_to_binary(DeepBrokenPart),
[ begin
NewList = lists:nthtail(X, OKList),
NewSz = byte_size(unicode:characters_to_binary(NewList)) +
BrokenSz,
Chomped = binary:part(PartlyBroken,PBSz - NewSz, NewSz),
true = (binary:referenced_byte_size(Chomped) =:= PBSz),
{error,NewList,DeepBrokenPart2} =
unicode:characters_to_list(Chomped),
BrokenPart = iolist_to_binary(DeepBrokenPart2)
end || X <- lists:seq(1,OKLen) ]
end || N <- lists:seq(1,21,4) ],
ok.
ex_binaries_errors_utf16_little(Config) when is_list(Config) ->
ex_binaries_errors_utf16(little).
ex_binaries_errors_utf16_big(Config) when is_list(Config) ->
ex_binaries_errors_utf16(big).
ex_binaries_errors_utf16(Endian) ->
BrokenSeq = lists:seq(16#DC00, 16#DFFF),
BrokenPart = case Endian of
little ->
<< <<X:16/little>> || X <- BrokenSeq >>;
big ->
<< <<X:16/big>> || X <- BrokenSeq >>
end,
BrokenSz = byte_size(BrokenPart),
Seq255 = lists:seq(1, 255),
[ begin
OKList = lists:append(lists:duplicate(N, Seq255)),
OKBin = unicode:characters_to_binary(OKList, unicode, {utf16,Endian}),
PartlyBroken = iolist_to_binary([OKBin,BrokenPart]),
PBSz = byte_size(PartlyBroken),
{error,OKList,DeepBrokenPart} =
unicode:characters_to_list(PartlyBroken, {utf16,Endian}),
BrokenPart = iolist_to_binary(DeepBrokenPart),
utf16_inner_loop(OKList, BrokenPart, BrokenSz,
PartlyBroken, PBSz, Endian)
end || N <- lists:seq(1, 16, 3) ],
ok.
utf16_inner_loop([_|List], BrokenPart, BrokenSz, PartlyBroken, PBSz, Endian) ->
Sz = length(List)*2 + BrokenSz,
Chomped = binary:part(PartlyBroken, PBSz - Sz, Sz),
true = binary:referenced_byte_size(Chomped) =:= PBSz,
{error,List,DeepBrokenPart} =
unicode:characters_to_list(Chomped, {utf16,Endian}),
BrokenPart = iolist_to_binary(DeepBrokenPart),
utf16_inner_loop(List, BrokenPart, BrokenSz, PartlyBroken, PBSz, Endian);
utf16_inner_loop([], _, _, _, _, _) ->
ok.
ex_binaries_errors_utf32_big(Config) when is_list(Config) ->
ex_binaries_errors_utf32(big).
ex_binaries_errors_utf32_little(Config) when is_list(Config) ->
ex_binaries_errors_utf32(little).
ex_binaries_errors_utf32(Endian) ->
BrokenSeq = lists:seq(16#DC00, 16#DFFF),
BrokenPart = case Endian of
little ->
<< <<X:32/little>> || X <- BrokenSeq >>;
big ->
<< <<X:32/big>> || X <- BrokenSeq >>
end,
BrokenSz = byte_size(BrokenPart),
Seq255 = lists:seq(1, 255),
[ begin
OKList = lists:append(lists:duplicate(N, Seq255)),
OKBin = unicode:characters_to_binary(OKList, unicode, {utf32,Endian}),
PartlyBroken = iolist_to_binary([OKBin,BrokenPart]),
PBSz = byte_size(PartlyBroken),
{error,OKList,DeepBrokenPart} =
unicode:characters_to_list(PartlyBroken, {utf32,Endian}),
BrokenPart = iolist_to_binary(DeepBrokenPart),
utf32_inner_loop(OKList, BrokenPart, BrokenSz,
PartlyBroken, PBSz, Endian)
end || N <- lists:seq(1, 16, 3) ],
ok.
utf32_inner_loop([_|List], BrokenPart, BrokenSz, PartlyBroken, PBSz, Endian) ->
Sz = length(List)*4 + BrokenSz,
Chomped = binary:part(PartlyBroken, PBSz - Sz, Sz),
true = binary:referenced_byte_size(Chomped) =:= PBSz,
{error,List,DeepBrokenPart} =
unicode:characters_to_list(Chomped, {utf32,Endian}),
BrokenPart = iolist_to_binary(DeepBrokenPart),
utf32_inner_loop(List, BrokenPart, BrokenSz, PartlyBroken, PBSz, Endian);
utf32_inner_loop([], _, _, _, _, _) ->
ok.
exceptions(Config) when is_list(Config) ->
setlimit(10),
ex_exceptions(Config),
setlimit(default),
ex_exceptions(Config).
ex_exceptions(Config) when is_list(Config) ->
?line L = lists:seq(0,255),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L++255,unicode)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary({1,2,3},unicode)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(1,unicode)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(1.0,unicode)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary('1',unicode)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary([1,2,3,apa],unicode)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary([1,2,3,4.0],unicode)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L++255,latin1)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary({1,2,3},latin1)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(1,latin1)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(1.0,latin1)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary('1',latin1)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary([1,2,3,apa],latin1)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary([1,2,3,4.0],latin1)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,gnarfl)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,L)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,{latin1})),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,[latin1])),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,1)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,1.0)),
Encodings = [unicode, utf8,utf16,utf32,{utf16,big},
{utf16,little},{utf32,big},{utf32,little}],
[ begin
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L++255,unicode,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary({1,2,3},unicode,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(1,unicode,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(1.0,unicode,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary('1',unicode,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary([1,2,3,apa],unicode,
Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary([1,2,3,4.0],unicode,
Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L++255,latin1,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary({1,2,3},latin1,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(1,latin1,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(1.0,latin1,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary('1',latin1,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary([1,2,3,apa],latin1,
Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary([1,2,3,4.0],latin1,
Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,gnarfl,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,L,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,{latin1},Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,[latin1],Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,1,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_binary(L,1.0,Enc))
end || Enc <- Encodings ],
Encodings2 = [latin1, unicode, utf8,utf16,utf32,{utf16,big},
{utf16,little},{utf32,big},{utf32,little}],
[ begin
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list(L++255,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list({1,2,3},Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list(1,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list(1.0,Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list('1',Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list([1,2,3,apa],Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list([1,2,3,4.0],Enc)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list(L,{Enc})),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list(L,[Enc]))
end || Enc <- Encodings2 ],
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list(L,gnarfl)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list(L,L)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list(L,1)),
?line {'EXIT',{badarg,_}} = (catch unicode:characters_to_list(L,1.0)),
[ begin
?line Bx = unicode:characters_to_binary(L,latin1, Enc),
?line L = unicode:characters_to_list(Bx,Enc)
end || Enc <- Encodings ],
?line B = unicode:characters_to_binary(L,latin1),
?line L = unicode:characters_to_list(B,unicode),
?line L = unicode:characters_to_list(list_to_binary(L),latin1),
?line More = <<B/binary,0,1,2>>,
?line B2 = list_to_binary([254,255]),
?line B3 = list_to_binary([0,1,2,254,255]),
?line {error,B,Rest1} = unicode:characters_to_binary([L,B2],unicode),
?line B2 = iolist_to_binary(Rest1),
?line {error,More,Rest2} = unicode:characters_to_binary([L,B3],unicode),
[ begin ?line {error,_,_} = unicode:characters_to_binary([L,B2],unicode,Enc) end
|| Enc <- Encodings ],
?line Valid0 = unicode:characters_to_binary([L,254,255],unicode),
?line Valid1 = unicode:characters_to_binary([L,254,255],latin1),
?line Valid2 = unicode:characters_to_binary([L,254,255,256,257],unicode),
?line Valid3 = unicode:characters_to_binary([L,B2],latin1),
?line true = is_binary(Valid0),
?line true = is_binary(Valid1),
?line true = is_binary(Valid2),
?line true = is_binary(Valid3),
?line Valid4 = unicode:characters_to_binary([L,B3],latin1),
?line true = is_binary(Valid4),
?line B2 = iolist_to_binary(Rest2),
?line true = (L ++ [254,255] =:= unicode:characters_to_list(Valid0,unicode)),
?line true = (L ++ [254,255,256,257] =:= unicode:characters_to_list(Valid2,unicode)),
lists:foreach(fun(Enco) ->
?line Valid0x = unicode:characters_to_binary([L,254,255],unicode,Enco),
?line Valid1x = unicode:characters_to_binary([L,254,255],latin1,Enco),
?line Valid2x = unicode:characters_to_binary([L,254,255,256,257],unicode,Enco),
?line Valid3x = unicode:characters_to_binary([L,B2],latin1,Enco),
?line true = is_binary(Valid0x),
?line true = is_binary(Valid1x),
?line true = is_binary(Valid2x),
?line true = is_binary(Valid3x)
end, Encodings),
ok.
latin1(Config) when is_list(Config) ->
setlimit(10),
ex_latin1(Config),
setlimit(default),
ex_latin1(Config).
ex_latin1(Config) when is_list(Config) ->
?line All = lists:seq(0,255),
?line AllBin = list_to_binary(All),
?line AllUtf8 = unicode:characters_to_binary(All,latin1),
?line AllUtf8 = unicode:characters_to_binary(AllBin,latin1),
?line AllUtf8 = unicode:characters_to_binary([AllBin],latin1),
?line AllUtf8 = unicode:characters_to_binary(make_unaligned(AllBin),latin1),
?line AllUtf8 = unicode:characters_to_binary([make_unaligned(AllBin)],latin1),
?line AllUtf8 = list_to_utf8_bsyntax([AllBin],latin1),
?line AllUtf8 = list_to_utf8_bsyntax([make_unaligned(AllBin)],latin1),
?line AllUtf8 = unicode_mixed_to_utf8_1(All),
?line AllUtf16_Big = unicode:characters_to_binary(All,latin1,utf16),
?line AllUtf16_Big = unicode:characters_to_binary(AllBin,latin1,utf16),
?line AllUtf16_Big = unicode:characters_to_binary([AllBin],latin1,utf16),
?line AllUtf16_Big = unicode:characters_to_binary(make_unaligned(AllBin),latin1,utf16),
?line AllUtf16_Big = unicode:characters_to_binary([make_unaligned(AllBin)],latin1,utf16),
?line AllUtf16_Big = list_to_utf16_big_bsyntax([AllBin],latin1),
?line AllUtf16_Big = list_to_utf16_big_bsyntax([make_unaligned(AllBin)],latin1),
?line AllUtf16_Little = unicode:characters_to_binary(All,latin1,{utf16,little}),
?line AllUtf16_Little = unicode:characters_to_binary(AllBin,latin1,{utf16,little}),
?line AllUtf16_Little = unicode:characters_to_binary([AllBin],latin1,{utf16,little}),
?line AllUtf16_Little = unicode:characters_to_binary(make_unaligned(AllBin),latin1,
{utf16,little}),
?line AllUtf16_Little = unicode:characters_to_binary([make_unaligned(AllBin)],latin1,
{utf16,little}),
?line AllUtf16_Little = list_to_utf16_little_bsyntax([AllBin],latin1),
?line AllUtf16_Little = list_to_utf16_little_bsyntax([make_unaligned(AllBin)],latin1),
?line AllUtf32_Big = unicode:characters_to_binary(All,latin1,utf32),
?line AllUtf32_Big = unicode:characters_to_binary(AllBin,latin1,utf32),
?line AllUtf32_Big = unicode:characters_to_binary([AllBin],latin1,utf32),
?line AllUtf32_Big = unicode:characters_to_binary(make_unaligned(AllBin),latin1,utf32),
?line AllUtf32_Big = unicode:characters_to_binary([make_unaligned(AllBin)],latin1,utf32),
?line AllUtf32_Big = list_to_utf32_big_bsyntax([AllBin],latin1),
?line AllUtf32_Big = list_to_utf32_big_bsyntax([make_unaligned(AllBin)],latin1),
?line AllUtf32_Little = unicode:characters_to_binary(All,latin1,{utf32,little}),
?line AllUtf32_Little = unicode:characters_to_binary(AllBin,latin1,{utf32,little}),
?line AllUtf32_Little = unicode:characters_to_binary([AllBin],latin1,{utf32,little}),
?line AllUtf32_Little = unicode:characters_to_binary(make_unaligned(AllBin),latin1,
{utf32,little}),
?line AllUtf32_Little = unicode:characters_to_binary([make_unaligned(AllBin)],latin1,
{utf32,little}),
?line AllUtf32_Little = list_to_utf32_little_bsyntax([AllBin],latin1),
?line AllUtf32_Little = list_to_utf32_little_bsyntax([make_unaligned(AllBin)],latin1),
?line DoubleUtf8 = <<AllUtf8/binary,AllUtf8/binary>>,
?line DoubleUtf8 = unicode:characters_to_binary([All,AllBin],latin1),
?line DoubleUtf8 =
unicode:characters_to_binary([All,make_unaligned(AllBin)],latin1),
?line DoubleUtf8 = unicode:characters_to_binary([All|AllBin],latin1),
?line DoubleUtf8 =
unicode:characters_to_binary([All|make_unaligned(AllBin)],latin1),
?line DoubleUtf8 = unicode:characters_to_binary([AllBin,All],latin1),
?line DoubleUtf8 = unicode:characters_to_binary([AllBin|All],latin1),
?line DoubleUtf8 = list_to_utf8_bsyntax([AllBin|All],latin1),
?line DoubleUtf16 = <<AllUtf16_Big/binary,AllUtf16_Big/binary>>,
?line DoubleUtf16 = unicode:characters_to_binary([All,AllBin],latin1,{utf16,big}),
?line DoubleUtf16 =
unicode:characters_to_binary([All,make_unaligned(AllBin)],latin1,{utf16,big}),
?line DoubleUtf16 = unicode:characters_to_binary([All|AllBin],latin1,{utf16,big}),
?line DoubleUtf16 =
unicode:characters_to_binary([All|make_unaligned(AllBin)],latin1,{utf16,big}),
?line DoubleUtf16 = unicode:characters_to_binary([AllBin,All],latin1,{utf16,big}),
?line DoubleUtf16 = unicode:characters_to_binary([AllBin|All],latin1,{utf16,big}),
?line DoubleUtf16 = list_to_utf16_big_bsyntax([AllBin|All],latin1),
?line All = unicode:characters_to_list(AllUtf8,unicode),
?line All = unicode:characters_to_list(make_unaligned(AllUtf8),unicode),
?line All = utf8_to_list_bsyntax(AllUtf8),
?line AllAll = All ++ All,
?line AllAll = unicode:characters_to_list(DoubleUtf8,unicode),
?line AllAll = unicode:characters_to_list(make_unaligned(DoubleUtf8),unicode),
?line AllAll = utf8_to_list_bsyntax(DoubleUtf8),
?line {error,AllUtf8,Rest1} = unicode:characters_to_binary(All++[16#FFF],latin1),
?line [16#FFF] = lists:flatten(Rest1),
?line {error,DoubleUtf8,Rest2} =
unicode:characters_to_binary([All,AllBin,16#FFF],latin1),
?line {error,DoubleUtf16,Rest2x} =
unicode:characters_to_binary([All,AllBin,16#FFF],latin1,utf16),
?line [16#FFF] = lists:flatten(Rest2),
?line [16#FFF] = lists:flatten(Rest2x),
?line {error,AllUtf8,Rest3} =
unicode:characters_to_binary([All,16#FFF,AllBin,16#FFF],
latin1),
?line {error,AllUtf8,Rest3} =
unicode:characters_to_binary([All,16#FFF,make_unaligned(AllBin),16#FFF],
latin1),
?line {error,AllUtf16_Big,Rest3x} =
unicode:characters_to_binary([All,16#FFF,AllBin,16#FFF],
latin1,{utf16,big}),
?line {error,AllUtf16_Big,Rest3x} =
unicode:characters_to_binary([All,16#FFF,make_unaligned(AllBin),16#FFF],
latin1,{utf16,big}),
?line [16#FFF,AllBin,16#FFF] = lists:flatten(Rest3),
?line [16#FFF,AllBin,16#FFF] = lists:flatten(Rest3x),
?line DoubleSize = byte_size(DoubleUtf8),
?line AllBut1 = DoubleSize - 1,
?line AllBut2 = DoubleSize - 2,
?line <<MissingLastByte:AllBut1/binary,_>> = DoubleUtf8,
?line <<_:AllBut2/binary,MissingStart:1/binary,_>> = DoubleUtf8,
?line {ChompedList,_} = lists:split(length(AllAll) - 1,AllAll),
?line {incomplete,ChompedList,MissingStart} =
unicode:characters_to_list(MissingLastByte,unicode),
?line {incomplete,ChompedList,MissingStart} =
unicode:characters_to_list(make_unaligned(MissingLastByte),unicode),
?line DoubleSize16 = byte_size(DoubleUtf16),
?line DoubleUtf16_2 = list_to_binary([DoubleUtf16,<<16#FFFFF/utf16-big>>]),
?line DoubleSize16_2 = byte_size(DoubleUtf16_2),
?line AllBut1_16 = DoubleSize16 - 1,
?line AllBut2_16_2 = DoubleSize16_2 - 2,
?line <<MissingLastBytes16:AllBut2_16_2/binary,_,_>> = DoubleUtf16_2,
?line <<MissingLastByte16:AllBut1_16/binary,_>> = DoubleUtf16,
?line {incomplete,AllAll,_} =
unicode:characters_to_list(MissingLastBytes16,utf16),
?line {incomplete,AllAll,_} =
unicode:characters_to_list(make_unaligned(MissingLastBytes16),utf16),
?line {incomplete,ChompedList,_} =
unicode:characters_to_list(MissingLastByte16,utf16),
?line {incomplete,ChompedList,_} =
unicode:characters_to_list(make_unaligned(MissingLastByte16),utf16),
ok.
roundtrips(Config) when is_list(Config) ->
setlimit(10),
ex_roundtrips(Config),
setlimit(default),
ex_roundtrips(Config).
ex_roundtrips(Config) when is_list(Config) ->
?line L1 = ranges(0, 16#D800 - 1,
erlang:system_info(context_reductions) * 11),
?line L2 = ranges(16#DFFF + 1, 16#10000 - 1,
erlang:system_info(context_reductions) * 11),
?line L3 = ranges(16#FFFFF, 16#10FFFF,
erlang:system_info(context_reductions) * 11),
?line L = L1 ++ L2 ++ L3,
?line LLen = length(L),
?line Parts = erlang:system_info(schedulers),
?line Lists = splitup(L,LLen,Parts),
?line PidRefs = [spawn_monitor(fun() ->
do_roundtrips(MyPart)
end) || MyPart <- Lists],
?line [receive {'DOWN',Ref,process,Pid,Reason} -> normal=Reason end ||
{Pid,Ref} <- PidRefs],
ok.
do_roundtrips([]) ->
ok;
do_roundtrips([{Start,Stop}|T]) ->
erlang:display({Start,Stop}),
List = lists:seq(Start,Stop),
Utf = unicode:characters_to_binary(List,unicode),
Utf16_Big = unicode:characters_to_binary(List,unicode,{utf16,big}),
Utf16_Little = unicode:characters_to_binary(List,unicode,{utf16,little}),
Utf32_Big = unicode:characters_to_binary(List,unicode,{utf32,big}),
Utf32_Little = unicode:characters_to_binary(List,unicode,{utf32,little}),
Utf = unicode:characters_to_binary([Utf],unicode),
Utf16_Big = unicode:characters_to_binary([Utf16_Big],{utf16,big},{utf16,big}),
Utf16_Little = unicode:characters_to_binary([Utf16_Little],{utf16,little},{utf16,little}),
Utf32_Big = unicode:characters_to_binary([Utf32_Big],{utf32,big},{utf32,big}),
Utf32_Little = unicode:characters_to_binary([Utf32_Little],{utf32,little},{utf32,little}),
Utf = list_to_utf8_bsyntax(List,unicode),
Utf16_Big = list_to_utf16_big_bsyntax(List,{utf16,big}),
Utf16_Little = list_to_utf16_little_bsyntax(List,{utf16,little}),
Utf32_Big = list_to_utf32_big_bsyntax(List,{utf32,big}),
Utf32_Little = list_to_utf32_little_bsyntax(List,{utf32,little}),
Utf = unicode_mixed_to_utf8_1(List),
List = unicode:characters_to_list(Utf,unicode),
List = unicode:characters_to_list(Utf16_Big,{utf16,big}),
List = unicode:characters_to_list(Utf16_Little,{utf16,little}),
List = unicode:characters_to_list(Utf32_Big,{utf32,big}),
List = unicode:characters_to_list(Utf32_Little,{utf32,little}),
List = utf8_to_list_bsyntax(Utf),
List = utf16_big_to_list_bsyntax(Utf16_Big),
List = utf16_little_to_list_bsyntax(Utf16_Little),
List = utf32_big_to_list_bsyntax(Utf32_Big),
List = utf32_little_to_list_bsyntax(Utf32_Little),
List = utf8_to_list(Utf),
List = utf16_big_to_list(Utf16_Big),
List = utf16_little_to_list(Utf16_Little),
List = utf32_big_to_list(Utf32_Big),
List = utf32_little_to_list(Utf32_Little),
do_roundtrips(T).
random_lists(Config) when is_list(Config) ->
setlimit(10),
ex_random_lists(Config),
setlimit(default),
ex_random_lists(Config).
ex_random_lists(Config) when is_list(Config) ->
PlainFlatten1 = fun(L) ->
unicode:characters_to_binary(flat(L),latin1)
end,
PlainFlatten2 = fun(L) ->
unicode:characters_to_binary(L,latin1)
end,
PlainFlatten3 = fun(L) ->
unicode:characters_to_binary(flatb(L),latin1)
end,
PlainFlatten4 = fun(L) ->
iolist_to_binary([int_to_utf8(X) || X <- unicode:characters_to_list(flatb(L),latin1)])
end,
?line random_iolist:run(150, PlainFlatten1, PlainFlatten3),
?line random_iolist:run(150, PlainFlatten2, PlainFlatten3),
?line random_iolist:run(150, PlainFlatten1, PlainFlatten2),
?line random_iolist:run(150, PlainFlatten1, PlainFlatten4),
SelfMade = fun(L) ->
iolist_to_binary(lists:map(fun(X) ->
int_to_utf8(X)
end,
flatb(L)))
end,
SelfMadeA = fun(L) ->
case (catch list_to_utf8_bsyntax(L,latin1)) of
{'EXIT', Reason} ->
io:format("Exit: ~p (~w)~n",[Reason,L]),
exit(Reason);
Other ->
Other
end
end,
?line random_iolist:run(150, PlainFlatten1, SelfMade),
?line random_iolist:run(150, PlainFlatten2, SelfMadeA),
RoundTrip11 = fun(L) ->
unicode:characters_to_list(unicode:characters_to_binary(L,latin1),unicode)
end,
RoundTrip21 = fun(L) ->
utf8_to_list_bsyntax(unicode:characters_to_binary(L,latin1))
end,
RoundTrip31 = fun(L) ->
unicode:characters_to_list(list_to_utf8_bsyntax(L,latin1),unicode)
end,
RoundTrip41 = fun(L) ->
utf8_to_list_bsyntax(list_to_utf8_bsyntax(L,latin1))
end,
RoundTrip51 = fun(L) ->
unicode:characters_to_list(L,latin1)
end,
?line random_iolist:run(150, RoundTrip11,RoundTrip21),
?line random_iolist:run(150, RoundTrip21,RoundTrip31),
?line random_iolist:run(150, RoundTrip31,RoundTrip41),
?line random_iolist:run(150, RoundTrip11,RoundTrip41),
?line random_iolist:run(150, RoundTrip21,RoundTrip41),
?line random_iolist:run(150, RoundTrip11,RoundTrip31),
?line random_iolist:run(150, RoundTrip11,RoundTrip51),
UniFlatten1 = fun(L) ->
unicode:characters_to_binary(flat(L),unicode)
end,
UniFlatten2 = fun(L) ->
unicode:characters_to_binary(L,unicode)
end,
UniFlatten3 = fun(L) ->
unicode:characters_to_binary(flatx(L),unicode)
end,
UniFlatten4 = fun(L) ->
unicode:characters_to_binary(unicode:characters_to_list(L,unicode),unicode)
end,
?line random_unicode_list:run(150, UniFlatten1,UniFlatten2),
?line random_unicode_list:run(150, UniFlatten1,UniFlatten3),
?line random_unicode_list:run(150, UniFlatten2,UniFlatten4),
?line random_unicode_list:run(150, UniFlatten2,UniFlatten3),
?line Encodings = [utf8,{utf16,big},
{utf16,little},{utf32,big},{utf32,little}],
lists:foreach(fun(OutEnc1) ->
lists:foreach(fun(InEnc1) ->
Uni16BigFlatten1 = fun(L) ->
unicode:characters_to_binary(flat(L),InEnc1,OutEnc1)
end,
Uni16BigFlatten2 = fun(L) ->
unicode:characters_to_binary(L,InEnc1,OutEnc1)
end,
Uni16BigFlatten3 = fun(L) ->
unicode:characters_to_binary(flatx(L),InEnc1,OutEnc1)
end,
Uni16BigFlatten4 = fun(L) ->
unicode:characters_to_binary(unicode:characters_to_list(L,InEnc1),InEnc1,OutEnc1)
end,
?line random_unicode_list:run(150, Uni16BigFlatten1,Uni16BigFlatten2,InEnc1),
?line random_unicode_list:run(150, Uni16BigFlatten1,Uni16BigFlatten3,InEnc1),
?line random_unicode_list:run(150, Uni16BigFlatten2,Uni16BigFlatten4,InEnc1),
?line random_unicode_list:run(150, Uni16BigFlatten2,Uni16BigFlatten3,InEnc1)
end, Encodings)
end, Encodings),
SelfMade1 = fun(L) ->
unicode_mixed_to_utf8_1(L)
end,
SelfMade2 = fun(L) ->
unicode_mixed_to_utf8_2(L)
end,
SelfMade3 = fun(L) ->
list_to_utf8_bsyntax(L,unicode)
end,
?line random_unicode_list:run(150, SelfMade1,SelfMade2),
?line random_unicode_list:run(150, UniFlatten2, SelfMade1),
?line random_unicode_list:run(150, UniFlatten2, SelfMade2),
?line random_unicode_list:run(150, UniFlatten2, SelfMade3),
RoundTrip1 = fun(L) ->
unicode:characters_to_list(unicode:characters_to_binary(L,unicode),unicode)
end,
RoundTrip2 = fun(L) ->
utf8_to_list_bsyntax(unicode:characters_to_binary(L,unicode))
end,
RoundTrip3 = fun(L) ->
unicode:characters_to_list(list_to_utf8_bsyntax(L,unicode),unicode)
end,
RoundTrip4 = fun(L) ->
utf8_to_list_bsyntax(list_to_utf8_bsyntax(L,unicode))
end,
?line random_unicode_list:run(150, RoundTrip1,RoundTrip2),
?line random_unicode_list:run(150, RoundTrip2,RoundTrip3),
?line random_unicode_list:run(150, RoundTrip3,RoundTrip4),
?line random_unicode_list:run(150, RoundTrip1,RoundTrip4),
?line random_unicode_list:run(150, RoundTrip2,RoundTrip4),
?line random_unicode_list:run(150, RoundTrip1,RoundTrip3),
lists:foreach(fun(OutEnc2) ->
lists:foreach(fun(InEnc2) ->
RoundTripUtf16_Big_1 = fun(L) ->
unicode:characters_to_list(unicode:characters_to_binary(L,InEnc2,OutEnc2),OutEnc2)
end,
RoundTripUtf16_Big_2 = fun(L) ->
x_to_list_bsyntax(OutEnc2,unicode:characters_to_binary(L,InEnc2,OutEnc2))
end,
RoundTripUtf16_Big_3 = fun(L) ->
unicode:characters_to_list(list_to_x_bsyntax(InEnc2,L,InEnc2),InEnc2)
end,
RoundTripUtf16_Big_4 = fun(L) ->
x_to_list_bsyntax(InEnc2,list_to_x_bsyntax(InEnc2,L,InEnc2))
end,
?line random_unicode_list:run(150, RoundTripUtf16_Big_1,RoundTripUtf16_Big_2,InEnc2),
?line random_unicode_list:run(150, RoundTripUtf16_Big_2,RoundTripUtf16_Big_3,InEnc2),
?line random_unicode_list:run(150, RoundTripUtf16_Big_3,RoundTripUtf16_Big_4,InEnc2),
?line random_unicode_list:run(150, RoundTripUtf16_Big_1,RoundTripUtf16_Big_4,InEnc2),
?line random_unicode_list:run(150, RoundTripUtf16_Big_2,RoundTripUtf16_Big_4,InEnc2),
?line random_unicode_list:run(150, RoundTripUtf16_Big_1,RoundTripUtf16_Big_3,InEnc2)
end, Encodings)
end, Encodings),
ToList1 = fun(L) ->
unicode:characters_to_list(L,unicode)
end,
ToList2 = fun(L) ->
unicode:characters_to_list(unicode:characters_to_binary(L,unicode),unicode)
end,
ToList3 = fun(L) ->
unicode:characters_to_list(unicode_mixed_to_utf8_2(L),unicode)
end,
ToList4 = fun(L) ->
utf8_to_list(unicode_mixed_to_utf8_2(L))
end,
?line random_unicode_list:run(150, ToList1,ToList2),
?line random_unicode_list:run(150, ToList2,ToList3),
?line random_unicode_list:run(150, ToList3,ToList4),
?line random_unicode_list:run(150, ToList1,ToList4),
?line random_unicode_list:run(150, ToList2,ToList4),
?line random_unicode_list:run(150, ToList1,ToList3),
ok.
utf16_illegal_sequences_bif(Config) when is_list(Config) ->
setlimit(10),
ex_utf16_illegal_sequences_bif(Config),
setlimit(default),
ex_utf16_illegal_sequences_bif(Config).
ex_utf16_illegal_sequences_bif(Config) when is_list(Config) ->
?line utf16_fail_range_bif_simple(16#10FFFF+1, 16#10FFFF+512), %Too large.
?line utf16_fail_range_bif(16#D800, 16#DFFF), %Reserved for UTF-16.
?line lonely_hi_surrogate_bif(16#D800, 16#DBFF,incomplete),
?line lonely_hi_surrogate_bif(16#DC00, 16#DFFF,error),
?line leading_lo_surrogate_bif(16#DC00, 16#DFFF),
ok.
utf16_fail_range_bif(Char, End) when Char =< End ->
{error,_,_} = unicode:characters_to_binary([Char],{utf16,big}),
BigBin = int_to_utf16_big(Char),
fail_bif(BigBin,{utf16,big}),
{error,_,_} = unicode:characters_to_binary([Char],{utf16,little}),
LittleBin = int_to_utf16_little(Char),
fail_bif(LittleBin,{utf16,little}),
utf16_fail_range_bif(Char+1, End);
utf16_fail_range_bif(_, _) -> ok.
utf16_fail_range_bif_simple(Char, End) when Char =< End ->
{error,_,_} = unicode:characters_to_binary([Char],{utf16,big}),
{error,_,_} = unicode:characters_to_binary([Char],{utf16,little}),
utf16_fail_range_bif_simple(Char+1, End);
utf16_fail_range_bif_simple(_, _) -> ok.
lonely_hi_surrogate_bif(Char, End, EType) when Char =< End ->
BinBig = <<Char:16/big>>,
BinLittle = <<Char:16/little>>,
case unicode:characters_to_binary(BinBig,{utf16,big}) of
{EType,_,_} ->
ok;
Other ->
exit({lonely_hi_surrogate_accepted,BinBig,{utf16,big},Other})
end,
case unicode:characters_to_binary(BinLittle,{utf16,little}) of
{EType,_,_} ->
ok;
Other2 ->
exit({lonely_hi_surrogate_accepted,BinLittle,{utf16,little},Other2})
end,
lonely_hi_surrogate_bif(Char+1, End, EType);
lonely_hi_surrogate_bif(_, _, _) -> ok.
leading_lo_surrogate_bif(Char, End) when Char =< End ->
leading_lo_surrogate_bif(Char, 16#D800, 16#DFFF),
leading_lo_surrogate_bif(Char+1, End);
leading_lo_surrogate_bif(_, _) -> ok.
leading_lo_surrogate_bif(HiSurr, LoSurr, End) when LoSurr =< End ->
BinBig = <<HiSurr:16/big,LoSurr:16/big>>,
BinLittle = <<HiSurr:16/little,LoSurr:16/little>>,
case unicode:characters_to_binary(BinBig,{utf16,big}) of
{error,_,_} ->
ok;
Other ->
exit({leading_lo_surrogate_accepted,BinBig,{utf16,big},Other})
end,
case unicode:characters_to_binary(BinLittle,{utf16,little}) of
{error,_,_} ->
ok;
Other2 ->
exit({leading_lo_surrogate_accepted,BinLittle,{utf16,little},Other2})
end,
leading_lo_surrogate_bif(HiSurr, LoSurr+1, End);
leading_lo_surrogate_bif(_, _, _) -> ok.
utf8_illegal_sequences_bif(Config) when is_list(Config) ->
setlimit(10),
ex_utf8_illegal_sequences_bif(Config),
setlimit(default),
ex_utf8_illegal_sequences_bif(Config).
ex_utf8_illegal_sequences_bif(Config) when is_list(Config) ->
?line fail_range_bif(16#10FFFF+1, 16#10FFFF+512), %Too large.
?line fail_range_bif(16#D800, 16#DFFF), %Reserved for UTF-16.
%% Illegal first character.
?line [fail_bif(<<I,16#8F,16#8F,16#8F>>,unicode) || I <- lists:seq(16#80, 16#BF)],
%% Short sequences.
?line short_sequences_bif(16#80, 16#10FFFF),
%% Overlong sequences. (Using more bytes than necessary
%% is not allowed.)
?line overlong_bif(0, 127, 2),
?line overlong_bif(128, 16#7FF, 3),
?line overlong_bif(16#800, 16#FFFF, 4),
ok.
fail_range_bif(Char, End) when Char =< End ->
{error,_,_} = unicode:characters_to_binary([Char],unicode),
{error,_,_} = unicode:characters_to_binary([Char],unicode,utf16),
{error,_,_} = unicode:characters_to_binary([Char],unicode,utf32),
Bin = int_to_utf8(Char),
fail_bif(Bin,unicode),
fail_range_bif(Char+1, End);
fail_range_bif(_, _) -> ok.
short_sequences_bif(Char, End) ->
Step = (End - Char) div erlang:system_info(schedulers) + 1,
PidRefs = short_sequences_bif_1(Char, Step, End),
[receive {'DOWN',Ref,process,Pid,Reason} -> normal=Reason end ||
{Pid,Ref} <- PidRefs],
ok.
short_sequences_bif_1(Char, Step, End) when Char =< End ->
CharEnd = lists:min([Char+Step-1,End]),
[spawn_monitor(fun() ->
io:format("~p - ~p\n", [Char,CharEnd]),
do_short_sequences_bif(Char, CharEnd)
end)|short_sequences_bif_1(Char+Step, Step, End)];
short_sequences_bif_1(_, _, _) -> [].
do_short_sequences_bif(Char, End) when Char =< End ->
short_sequence_bif(Char),
do_short_sequences_bif(Char+1, End);
do_short_sequences_bif(_, _) -> ok.
short_sequence_bif(I) ->
case int_to_utf8(I) of
<<S0:3/binary,_:8>> ->
<<S1:2/binary,R1:8>> = S0,
<<S2:1/binary,_:8>> = S1,
incomplete_bif(S0,S0),
incomplete_bif(S1,S1),
incomplete_bif(S2,S2),
only_fail_bif(<<S2/binary,16#7F,R1,R1>>,unicode),
only_fail_bif(<<S1/binary,16#7F,R1>>,unicode),
only_fail_bif(<<S0/binary,16#7F>>,unicode);
<<S0:2/binary,_:8>> ->
<<S1:1/binary,R1:8>> = S0,
incomplete_bif(S0,S0),
incomplete_bif(S1,S1),
only_fail_bif(<<S0/binary,16#7F>>,unicode),
only_fail_bif(<<S1/binary,16#7F>>,unicode),
only_fail_bif(<<S1/binary,16#7F,R1>>,unicode);
<<S:1/binary,_:8>> ->
incomplete_bif(S,S),
only_fail_bif(<<S/binary,16#7F>>,unicode)
end.
overlong_bif(Char, Last, NumBytes) when Char =< Last ->
overlong_bif(Char, NumBytes),
overlong_bif(Char+1, Last, NumBytes);
overlong_bif(_, _, _) -> ok.
overlong_bif(Char, NumBytes) when NumBytes < 5 ->
case unicode:characters_to_binary([int_to_utf8(Char, NumBytes)],unicode) of
{error,_,_} ->
ok;
Other->
exit({illegal_encoding_accepted,Char,NumBytes,Other})
end,
overlong_bif(Char, NumBytes+1);
overlong_bif(_, _) -> ok.
incomplete_bif(Bin,Tail) ->
incomplete_bif_1(Bin,Tail),
incomplete_bif_1(make_unaligned(Bin),Tail),
incomplete_bif_r_1(Bin,Tail),
incomplete_bif_r_1(make_unaligned(Bin),Tail),
ok.
incomplete_bif_1(Bin,Tail) ->
case unicode:characters_to_binary([Bin],unicode) of
{incomplete,_,Tail} ->
case unicode:characters_to_binary(Bin,unicode) of
{incomplete,_,Tail} ->
ok;
Other0 ->
exit({incomplete_encoding_accepted,Bin,Other0})
end;
Other ->
exit({incomplete_encoding_accepted,[Bin],Other})
end.
incomplete_bif_r_1(Bin,Tail) ->
case unicode:characters_to_list([Bin],unicode) of
{incomplete,_,Tail} ->
case unicode:characters_to_list(Bin,unicode) of
{incomplete,_,Tail} ->
ok;
Other ->
exit({incomplete_encoding_accepted_r,[Bin],Other})
end;
Other ->
exit({incomplete_encoding_accepted_r,[Bin],Other})
end.
only_fail_bif(Bin,Coding) ->
only_fail_bif_1(Bin,Coding),
only_fail_bif_1(make_unaligned(Bin),Coding),
only_fail_bif_r_1(Bin,Coding),
only_fail_bif_r_1(make_unaligned(Bin),Coding),
ok.
only_fail_bif_r_1(Bin,Coding) ->
case unicode:characters_to_list([Bin],Coding) of
{error,_,_} ->
case unicode:characters_to_list(Bin,Coding) of
{error,_,_} ->
ok;
Other ->
exit({faulty_encoding_accepted_r,Bin,Coding,Other})
end;
Other ->
exit({faulty_encoding_accepted_r,Bin,Coding,Other})
end.
only_fail_bif_1(Bin,Coding) ->
case unicode:characters_to_binary([Bin],Coding) of
{error,_,_} ->
case unicode:characters_to_binary(Bin,Coding) of
{error,_,_} ->
ok;
Other0 ->
exit({faulty_encoding_accepted,Bin,Coding,Other0})
end;
Other ->
exit({faulty_encoding_accepted,[Bin],Coding,Other})
end.
fail_bif(Bin,Coding) ->
fail_bif_1(Bin,Coding),
fail_bif_1(make_unaligned(Bin),Coding),
fail_bif_r_1(Bin,Coding),
fail_bif_r_1(make_unaligned(Bin),Coding),
ok.
fail_bif_r_1(Bin,Coding) ->
case unicode:characters_to_list(Bin,Coding) of
L when is_list(L) ->
exit({illegal_encoding_accepted,Bin,Coding});
_ ->
ok
end.
fail_bif_1(Bin,Coding) ->
case unicode:characters_to_binary([Bin],Coding) of
Bin2 when is_binary(Bin2) ->
exit({illegal_encoding_accepted,Bin,Coding});
_ ->
ok
end.
%%
%% Diverse utilities
%%
ranges(X,Y,_N) when X >= Y ->
[];
ranges(X,Y,N) when X + N > Y ->
[{X,Y}];
ranges(X,Y,N) ->
Upper = X+N,
[{X,Upper}|ranges(Upper+1,Y,N)].
splitup(L,_Len,1) ->
[L];
splitup(L,Len,Parts) ->
Num = Len div Parts,
{A,B} = lists:split(Num,L),
[A| splitup(B,Len - Num,Parts - 1)].
flat(List) ->
lists:reverse(flat(List,[])).
flat([H|T],Acc) ->
NewAcc = flat(H,Acc),
flat(T,NewAcc);
flat([],Acc) ->
Acc;
flat(X,Acc) ->
[X|Acc].
flatb(List) ->
lists:reverse(flatb(List,[])).
flatb(<<X:8,Rest/binary>>,Acc) ->
flatb(Rest,[X|Acc]);
flatb(<<>>,Acc) ->
Acc;
flatb([H|T],Acc) ->
NewAcc = flatb(H,Acc),
flatb(T,NewAcc);
flatb([],Acc) ->
Acc;
flatb(X,Acc) ->
[X|Acc].
flatx(List) ->
lists:reverse(flatx(List,[])).
flatx([B1,B2|T],Acc) when is_binary(B1), is_binary(B2) ->
flatx([<<B1/binary,B2/binary>>|T],Acc);
flatx([H|T],Acc) ->
NewAcc = flatx(H,Acc),
flatx(T,NewAcc);
flatx([],Acc) ->
Acc;
flatx(X,Acc) ->
[X|Acc].
unicode_mixed_to_utf8_1(L) ->
Flist = flatx([L]),
ExpList = [ case is_binary(E) of
true ->
utf8_to_list(E);
false ->
E
end || E <- Flist ],
iolist_to_binary([int_to_utf8(I) || I <- flat(ExpList)]).
unicode_mixed_to_utf8_2(L) ->
Flist = flatx([L]),
ExpList = [ case is_binary(E) of
true ->
E;
false ->
int_to_utf8(E)
end || E <- Flist ],
iolist_to_binary([ExpList]).
utf8_to_list_bsyntax(<<>>) ->
[];
utf8_to_list_bsyntax(<<C/utf8,R/binary>>) ->
[C|utf8_to_list_bsyntax(R)].
list_to_utf8_bsyntax(List,unicode) ->
FList = flatx(List),
list_to_binary([ if
is_binary(E) ->
E;
true ->
<<E/utf8>>
end || E <- FList ]);
list_to_utf8_bsyntax(List,latin1) ->
FList = flatb(List),
list_to_binary([ <<E/utf8>> || E <- FList ]).
%%
%% Conversion utilities
%%
int_to_utf16_big(U) when U < 16#10000 ->
<<U:16/big>>;
int_to_utf16_big(U) when U >= 16#10000, U =< 16#10FFFF ->
UPrim = U - 16#10000,
HI = (16#D800 bor (UPrim bsr 10)),
LO = (16#DC00 bor (UPrim band 16#3FF)),
<<HI:16/big,LO:16/big>>.
int_to_utf16_little(U) when U < 16#10000 ->
<<U:16/little>>;
int_to_utf16_little(U) when U >= 16#10000, U =< 16#10FFFF ->
UPrim = U - 16#10000,
HI = (16#D800 bor (UPrim bsr 10)),
LO = (16#DC00 bor (UPrim band 16#3FF)),
<<HI:16/little,LO:16/little>>.
%% This function intentionally allows construction of
%% UTF-8 sequence in illegal ranges.
int_to_utf8(I) when I =< 16#7F ->
<<I>>;
int_to_utf8(I) when I =< 16#7FF ->
B2 = I,
B1 = (I bsr 6),
<<1:1,1:1,0:1,B1:5,1:1,0:1,B2:6>>;
int_to_utf8(I) when I =< 16#FFFF ->
B3 = I,
B2 = (I bsr 6),
B1 = (I bsr 12),
<<1:1,1:1,1:1,0:1,B1:4,1:1,0:1,B2:6,1:1,0:1,B3:6>>;
int_to_utf8(I) when I =< 16#3FFFFF ->
B4 = I,
B3 = (I bsr 6),
B2 = (I bsr 12),
B1 = (I bsr 18),
<<1:1,1:1,1:1,1:1,0:1,B1:3,1:1,0:1,B2:6,1:1,0:1,B3:6,1:1,0:1,B4:6>>;
int_to_utf8(I) when I =< 16#3FFFFFF ->
B5 = I,
B4 = (I bsr 6),
B3 = (I bsr 12),
B2 = (I bsr 18),
B1 = (I bsr 24),
<<1:1,1:1,1:1,1:1,1:1,0:1,B1:2,1:1,0:1,B2:6,1:1,0:1,B3:6,1:1,0:1,B4:6,
1:1,0:1,B5:6>>.
utf16_big_to_list_bsyntax(<<>>) ->
[];
utf16_big_to_list_bsyntax(<<C/utf16-big,R/binary>>) ->
[C|utf16_big_to_list_bsyntax(R)].
list_to_utf16_big_bsyntax(List,{utf16,big}) ->
FList = flatx(List),
list_to_binary([ if
is_binary(E) ->
E;
true ->
<<E/utf16-big>>
end || E <- FList ]);
list_to_utf16_big_bsyntax(List,latin1) ->
FList = flatb(List),
list_to_binary([ <<E/utf16-big>> || E <- FList ]).
utf16_little_to_list_bsyntax(<<>>) ->
[];
utf16_little_to_list_bsyntax(<<C/utf16-little,R/binary>>) ->
[C|utf16_little_to_list_bsyntax(R)].
list_to_utf16_little_bsyntax(List,{utf16,little}) ->
FList = flatx(List),
list_to_binary([ if
is_binary(E) ->
E;
true ->
<<E/utf16-little>>
end || E <- FList ]);
list_to_utf16_little_bsyntax(List,latin1) ->
FList = flatb(List),
list_to_binary([ <<E/utf16-little>> || E <- FList ]).
utf32_big_to_list_bsyntax(<<>>) ->
[];
utf32_big_to_list_bsyntax(<<C/utf32-big,R/binary>>) ->
[C|utf32_big_to_list_bsyntax(R)].
list_to_utf32_big_bsyntax(List,{utf32,big}) ->
FList = flatx(List),
list_to_binary([ if
is_binary(E) ->
E;
true ->
<<E/utf32-big>>
end || E <- FList ]);
list_to_utf32_big_bsyntax(List,latin1) ->
FList = flatb(List),
list_to_binary([ <<E/utf32-big>> || E <- FList ]).
utf32_little_to_list_bsyntax(<<>>) ->
[];
utf32_little_to_list_bsyntax(<<C/utf32-little,R/binary>>) ->
[C|utf32_little_to_list_bsyntax(R)].
list_to_utf32_little_bsyntax(List,{utf32,little}) ->
FList = flatx(List),
list_to_binary([ if
is_binary(E) ->
E;
true ->
<<E/utf32-little>>
end || E <- FList ]);
list_to_utf32_little_bsyntax(List,latin1) ->
FList = flatb(List),
list_to_binary([ <<E/utf32-little>> || E <- FList ]).
%% int_to_utf8(I, NumberOfBytes) -> Binary.
%% This function can be used to construct overlong sequences.
int_to_utf8(I, 1) ->
<<I>>;
int_to_utf8(I, 2) ->
B2 = I,
B1 = (I bsr 6),
<<1:1,1:1,0:1,B1:5,1:1,0:1,B2:6>>;
int_to_utf8(I, 3) ->
B3 = I,
B2 = (I bsr 6),
B1 = (I bsr 12),
<<1:1,1:1,1:1,0:1,B1:4,1:1,0:1,B2:6,1:1,0:1,B3:6>>;
int_to_utf8(I, 4) ->
B4 = I,
B3 = (I bsr 6),
B2 = (I bsr 12),
B1 = (I bsr 18),
<<1:1,1:1,1:1,1:1,0:1,B1:3,1:1,0:1,B2:6,1:1,0:1,B3:6,1:1,0:1,B4:6>>.
utf8_to_list(<<>>) ->
[];
utf8_to_list(Bin) ->
N = utf8_siz(Bin),
<<X:N/binary,Rest/binary>> = Bin,
[utf8_to_int(X) | utf8_to_list(Rest)].
utf8_siz(<<0:1,_:7,_/binary>>) ->
1;
utf8_siz(<<1:1,1:1,0:1,_:5,_/binary>>) ->
2;
utf8_siz(<<1:1,1:1,1:1,0:1,_:4,_/binary>>) ->
3;
utf8_siz(<<1:1,1:1,1:1,1:1,0:1,_:3,_/binary>>) ->
4.
utf8_to_int(<<0:1,B:7>>) ->
B;
utf8_to_int(<<1:1,1:1,0:1,B1:5,1:1,0:1,B2:6>>) ->
(B1 bsl 6) bor B2;
utf8_to_int(<<1:1,1:1,1:1,0:1,B1:4,1:1,0:1,B2:6,1:1,0:1,B3:6>>) ->
(B1 bsl 12) bor (B2 bsl 6) bor B3;
utf8_to_int(<<1:1,1:1,1:1,1:1,0:1,B1:3,1:1,0:1,
B2:6,1:1,0:1,B3:6,1:1,0:1,B4:6>>) ->
Res = (B1 bsl 18) bor (B2 bsl 12) bor (B3 bsl 6) bor B4,
case Res of
X when X > 16#10FFFF ->
exit(unsupported_utf8);
Other ->
Other
end;
utf8_to_int(_) ->
exit(unsupported_utf8).
utf16_big_to_list(<<>>) ->
[];
utf16_big_to_list(Bin) ->
N = utf16_big_siz(Bin),
<<X:N/binary,Rest/binary>> = Bin,
[utf16_big_to_int(X) | utf16_big_to_list(Rest)].
utf16_big_siz(<<1:1,1:1,0:1,1:1,1:1,0:1,_:1,_:1,_/binary>>) ->
4;
utf16_big_siz(_) ->
2.
utf16_big_to_int(<<1:1,1:1,0:1,1:1,1:1,0:1,W1:10,1:1,1:1,0:1,1:1,1:1,1:1,W2:10>>) ->
((W1 bsl 10) bor W2) + 16#10000;
utf16_big_to_int(<<W:16>>) ->
W;
utf16_big_to_int(_) ->
exit(unsupported_utf16_big).
utf16_little_to_list(<<>>) ->
[];
utf16_little_to_list(Bin) ->
N = utf16_little_siz(Bin),
<<X:N/binary,Rest/binary>> = Bin,
[utf16_little_to_int(X) | utf16_little_to_list(Rest)].
utf16_little_siz(<<_:8,1:1,1:1,0:1,1:1,1:1,0:1,_:1,_:1,_/binary>>) ->
4;
utf16_little_siz(_) ->
2.
utf16_little_to_int(<<W1B:8,1:1,1:1,0:1,1:1,1:1,0:1,W1A:2,W2B:8,1:1,1:1,0:1,1:1,1:1,1:1,W2A:2>>) ->
W1 = (W1A bsl 8) bor W1B,
W2 = (W2A bsl 8) bor W2B,
((W1 bsl 10) bor W2) + 16#10000;
utf16_little_to_int(<<W:16/little>>) ->
W;
utf16_little_to_int(_) ->
exit(unsupported_utf16_little).
utf32_big_to_list(<<>>) ->
[];
utf32_big_to_list(<<I:32,Rest/binary>>) ->
[ I | utf32_big_to_list(Rest)].
utf32_little_to_list(<<>>) ->
[];
utf32_little_to_list(<<I:32/little,Rest/binary>>) ->
[ I | utf32_little_to_list(Rest)].
x_to_list_bsyntax(utf8,Bin) ->
utf8_to_list_bsyntax(Bin);
x_to_list_bsyntax({utf16,big},Bin) ->
utf16_big_to_list_bsyntax(Bin);
x_to_list_bsyntax({utf16,little},Bin) ->
utf16_little_to_list_bsyntax(Bin);
x_to_list_bsyntax({utf32,big},Bin) ->
utf32_big_to_list_bsyntax(Bin);
x_to_list_bsyntax({utf32,little},Bin) ->
utf32_little_to_list_bsyntax(Bin).
list_to_x_bsyntax(utf8,L,utf8) ->
list_to_utf8_bsyntax(L,unicode);
list_to_x_bsyntax(utf8,L,Enc) ->
list_to_utf8_bsyntax(L,Enc);
list_to_x_bsyntax({utf16,big},L,Enc) ->
list_to_utf16_big_bsyntax(L,Enc);
list_to_x_bsyntax({utf16,little},L,Enc) ->
list_to_utf16_little_bsyntax(L,Enc);
list_to_x_bsyntax({utf32,big},L,Enc) ->
list_to_utf32_big_bsyntax(L,Enc);
list_to_x_bsyntax({utf32,little},L,Enc) ->
list_to_utf32_little_bsyntax(L,Enc).
make_unaligned(Bin0) when is_binary(Bin0) ->
Bin1 = <<0:3,Bin0/binary,31:5>>,
Sz = byte_size(Bin0),
<<0:3,Bin:Sz/binary,31:5>> = id(Bin1),
Bin.
id(I) -> I.
setlimit(X) ->
erts_debug:set_internal_state(available_internal_state,true),
io:format("Setting loop limit, old: ~p, now set to ~p~n",
[erts_debug:set_internal_state(unicode_loop_limit,X),X]).
