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* enc/{euc_jp.c,gbk.c,iso_8859_1.c,iso_8859_11.c,iso_8859_13.c,

iso_8859_2.c,iso_8859_6.c,iso_8859_7.c,iso_8859_8.c,iso_8859_9.c,
  shift_jis.c,windows_1251.c}: add document about encodings.

* enc/cp949.c: divided into new file.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15516 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2008-02-17 03:21:20 +00:00
parent 0f4199fb56
commit 8984fa6742
14 changed files with 345 additions and 4 deletions

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@ -1,3 +1,11 @@
Sun Feb 17 12:17:52 2008 NARUSE, Yui <naruse@ruby-lang.org>
* enc/{euc_jp.c,gbk.c,iso_8859_1.c,iso_8859_11.c,iso_8859_13.c,
iso_8859_2.c,iso_8859_6.c,iso_8859_7.c,iso_8859_8.c,iso_8859_9.c,
shift_jis.c,windows_1251.c}: add document about encodings.
* enc/cp949.c: divided into new file.
Sun Feb 17 10:59:04 2008 Tanaka Akira <akr@fsij.org>
* re.c (rb_reg_quote): return US-ASCII string consistently.

219
enc/cp949.c Normal file
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@ -0,0 +1,219 @@
/**********************************************************************
cp949.c - Oniguruma (regular expression library)
**********************************************************************/
/*-
* Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "regenc.h"
static const int EncLen_CP949[] = {
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1
};
static const char CP949_CAN_BE_TRAIL_TABLE[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0
};
#define CP949_ISMB_FIRST(byte) (EncLen_CP949[byte] > 1)
#define CP949_ISMB_TRAIL(byte) CP949_CAN_BE_TRAIL_TABLE[(byte)]
typedef enum { FAILURE = -2, ACCEPT = -1, S0 = 0, S1 } state_t;
#define A ACCEPT
#define F FAILURE
static const signed char trans[][0x100] = {
{ /* S0 0 1 2 3 4 5 6 7 8 9 a b c d e f */
/* 0 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* 1 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* 2 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* 3 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* 4 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* 5 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* 6 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* 7 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* 8 */ A, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
/* 9 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
/* a */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
/* b */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
/* c */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
/* d */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
/* e */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
/* f */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, F
},
{ /* S1 0 1 2 3 4 5 6 7 8 9 a b c d e f */
/* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
/* 1 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
/* 2 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
/* 3 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F,
/* 4 */ F, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* 5 */ A, A, A, A, A, A, A, A, A, A, A, F, F, F, F, F,
/* 6 */ F, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* 7 */ A, A, A, A, A, A, A, A, A, A, A, F, F, F, F, F,
/* 8 */ F, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* 9 */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* a */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* b */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* c */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* d */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* e */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,
/* f */ A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, F
}
};
#undef A
#undef F
static int
cp949_mbc_enc_len(const UChar* p, const UChar* e, OnigEncoding enc ARG_UNUSED)
{
int firstbyte = *p++;
state_t s = trans[0][firstbyte];
#define RETURN(n) \
return s == ACCEPT ? ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(n) : \
ONIGENC_CONSTRUCT_MBCLEN_INVALID()
if (s < 0) RETURN(1);
if (p == e) return ONIGENC_CONSTRUCT_MBCLEN_NEEDMORE(EncLen_CP949[firstbyte]-1);
s = trans[s][*p++];
RETURN(2);
#undef RETURN
}
static OnigCodePoint
cp949_mbc_to_code(const UChar* p, const UChar* end, OnigEncoding enc)
{
return onigenc_mbn_mbc_to_code(enc, p, end);
}
static int
cp949_code_to_mbc(OnigCodePoint code, UChar *buf, OnigEncoding enc)
{
return onigenc_mb2_code_to_mbc(enc, code, buf);
}
static int
cp949_mbc_case_fold(OnigCaseFoldType flag, const UChar** pp, const UChar* end,
UChar* lower, OnigEncoding enc)
{
return onigenc_mbn_mbc_case_fold(enc, flag,
pp, end, lower);
}
#if 0
static int
cp949_is_mbc_ambiguous(OnigCaseFoldType flag,
const UChar** pp, const UChar* end, OnigEncoding enc)
{
return onigenc_mbn_is_mbc_ambiguous(enc, flag, pp, end);
}
#endif
static int
cp949_is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc)
{
return onigenc_mb2_is_code_ctype(enc, code, ctype);
}
static UChar*
cp949_left_adjust_char_head(const UChar* start, const UChar* s, OnigEncoding enc)
{
const UChar *p;
int len;
if (s <= start) return (UChar* )s;
p = s;
if (CP949_ISMB_TRAIL(*p)) {
while (p > start) {
if (! CP949_ISMB_FIRST(*--p)) {
p++;
break;
}
}
}
len = enclen(enc, p, s);
if (p + len > s) return (UChar* )p;
p += len;
return (UChar* )(p + ((s - p) & ~1));
}
static int
cp949_is_allowed_reverse_match(const UChar* s, const UChar* end ARG_UNUSED, OnigEncoding enc ARG_UNUSED)
{
const UChar c = *s;
return (CP949_ISMB_TRAIL(c) ? FALSE : TRUE);
}
OnigEncodingDefine(cp949, CP949) = {
cp949_mbc_enc_len,
"CP949", /* name */
2, /* max enc length */
1, /* min enc length */
onigenc_is_mbc_newline_0x0a,
cp949_mbc_to_code,
onigenc_mb2_code_to_mbclen,
cp949_code_to_mbc,
cp949_mbc_case_fold,
onigenc_ascii_apply_all_case_fold,
onigenc_ascii_get_case_fold_codes_by_str,
onigenc_minimum_property_name_to_ctype,
cp949_is_code_ctype,
onigenc_not_support_get_ctype_code_range,
cp949_left_adjust_char_head,
cp949_is_allowed_reverse_match
};
/*
* Name: CP949
* Link: http://www.microsoft.com/globaldev/reference/dbcs/949.mspx
* Link: http://en.wikipedia.org/wiki/EUC-KR#EUC-KR
*/

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@ -362,7 +362,27 @@ OnigEncodingDefine(euc_jp, EUC_JP) = {
is_allowed_reverse_match,
0
};
/*
* Name: EUC-JP
* MIBenum: 18
* Link: http://www.iana.org/assignments/character-sets
* Link: http://home.m05.itscom.net/numa/cde/sjis-euc/sjis-euc.html
*/
ENC_ALIAS("eucJP", "EUC-JP"); /* UI-OSF Application Platform Profile for Japanese Environment Version 1.1 */
/*
* Name: eucJP-ms
* Link: http://home.m05.itscom.net/numa/cde/ucs-conv/ucs-conv.html
* Link: http://www2d.biglobe.ne.jp/~msyk/charcode/cp932/eucJP-ms.html
* Link: http://ja.wikipedia.org/wiki/EUC-JP
*/
ENC_REPLICATE("eucJP-ms", "EUC-JP"); /* TOG/JVC CDE/Motif Technical WG */
ENC_ALIAS("euc-jp-ms", "EUC-JP");
ENC_REPLICATE("CP51932", "EUC-JP"); /* Windows CodePage 51932 */
/*
* Name: CP51932
* Link: http://search.cpan.org/src/NARUSE/Encode-EUCJPMS-0.07/ucm/cp51932.ucm
* Link: http://legacy-encoding.sourceforge.jp/wiki/index.php?cp51932
* Link: http://msyk.at.webry.info/200511/article_2.html
*/
ENC_REPLICATE("CP51932", "EUC-JP");

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@ -212,5 +212,11 @@ OnigEncodingDefine(gbk, GBK) = {
gbk_left_adjust_char_head,
gbk_is_allowed_reverse_match
};
/*
* Name: GBK
* MIBenum: 113
* Link: http://www.iana.org/assignments/character-sets
* Link: http://www.iana.org/assignments/charset-reg/GBK
* Link: http://www.microsoft.com/globaldev/reference/dbcs/936.mspx
*/
ENC_ALIAS("CP936", "GBK");
ENC_REPLICATE("CP949", "GBK");

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@ -273,5 +273,13 @@ OnigEncodingDefine(iso_8859_1, ISO_8859_1) = {
onigenc_always_true_is_allowed_reverse_match
};
ENC_ALIAS("ISO8859-1", "ISO-8859-1");
/*
* Name: windows-1252
* MIBenum: 2252
* Link: http://www.iana.org/assignments/character-sets
* Link: http://www.microsoft.com/globaldev/reference/sbcs/1252.mspx
* Link: http://en.wikipedia.org/wiki/Windows-1252
*/
ENC_REPLICATE("Windows-1252", "ISO-8859-1");
ENC_ALIAS("CP1252", "Windows-1252");

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@ -95,6 +95,17 @@ OnigEncodingDefine(iso_8859_11, ISO_8859_11) = {
onigenc_always_true_is_allowed_reverse_match
};
ENC_ALIAS("ISO8859-11", "ISO-8859-11");
/*
* Name: TIS-620
* MIBenum: 2259
* Link: http://en.wikipedia.org/wiki/Thai_Industrial_Standard_620-2533
*/
ENC_REPLICATE("TIS-620", "ISO-8859-11");
/*
* Name: Windows-874
* Link: http://www.microsoft.com/globaldev/reference/sbcs/874.mspx
*/
ENC_REPLICATE("Windows-874", "ISO-8859-11");
ENC_ALIAS("CP874", "Windows-874");

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@ -235,8 +235,9 @@ ENC_ALIAS("ISO8859-13", "ISO-8859-13");
/*
* Name: windows-1257
* MIBenum: 2257
* http://www.microsoft.com/globaldev/reference/sbcs/1257.mspx
* http://en.wikipedia.org/wiki/Windows-1257
* Link: http://www.iana.org/assignments/character-sets
* Link: http://www.microsoft.com/globaldev/reference/sbcs/1257.mspx
* Link: http://en.wikipedia.org/wiki/Windows-1257
*/
ENC_REPLICATE("Windows-1257", "ISO-8859-13");
ENC_ALIAS("CP1257", "Windows-1257");

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@ -238,5 +238,13 @@ OnigEncodingDefine(iso_8859_2, ISO_8859_2) = {
onigenc_always_true_is_allowed_reverse_match
};
ENC_ALIAS("ISO8859-2", "ISO-8859-2");
/*
* Name: windows-1250
* MIBenum: 2250
* Link: http://www.iana.org/assignments/character-sets
* Link: http://www.microsoft.com/globaldev/reference/sbcs/1250.mspx
* Link: http://en.wikipedia.org/wiki/Windows-1250
*/
ENC_REPLICATE("Windows-1250", "ISO-8859-2");
ENC_ALIAS("CP1250", "Windows-1250");

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@ -95,5 +95,13 @@ OnigEncodingDefine(iso_8859_6, ISO_8859_6) = {
onigenc_always_true_is_allowed_reverse_match
};
ENC_ALIAS("ISO8859-6", "ISO-8859-6");
/*
* Name: windows-1256
* MIBenum: 2256
* Link: http://www.iana.org/assignments/character-sets
* Link: http://www.microsoft.com/globaldev/reference/sbcs/1256.mspx
* Link: http://en.wikipedia.org/wiki/Windows-1256
*/
ENC_REPLICATE("Windows-1256", "ISO-8859-6");
ENC_ALIAS("CP1256", "Windows-1256");

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@ -225,5 +225,13 @@ OnigEncodingDefine(iso_8859_7, ISO_8859_7) = {
onigenc_always_true_is_allowed_reverse_match
};
ENC_ALIAS("ISO8859-7", "ISO-8859-7");
/*
* Name: windows-1253
* MIBenum: 2253
* Link: http://www.iana.org/assignments/character-sets
* Link: http://www.microsoft.com/globaldev/reference/sbcs/1253.mspx
* Link: http://en.wikipedia.org/wiki/Windows-1253
*/
ENC_REPLICATE("Windows-1253", "ISO-8859-7");
ENC_ALIAS("CP1253", "Windows-1253");

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@ -95,5 +95,13 @@ OnigEncodingDefine(iso_8859_8, ISO_8859_8) = {
onigenc_always_true_is_allowed_reverse_match
};
ENC_ALIAS("ISO8859-8", "ISO-8859-8");
/*
* Name: windows-1255
* MIBenum: 2255
* Link: http://www.iana.org/assignments/character-sets
* Link: http://www.microsoft.com/globaldev/reference/sbcs/1255.mspx
* Link: http://en.wikipedia.org/wiki/Windows-1255
*/
ENC_REPLICATE("Windows-1255", "ISO-8859-8");
ENC_ALIAS("CP1255", "Windows-1255");

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@ -231,5 +231,13 @@ OnigEncodingDefine(iso_8859_9, ISO_8859_9) = {
onigenc_always_true_is_allowed_reverse_match
};
ENC_ALIAS("ISO8859-9", "ISO-8859-9");
/*
* Name: windows-1254
* MIBenum: 2254
* Link: http://www.iana.org/assignments/character-sets
* Link: http://www.microsoft.com/globaldev/reference/sbcs/1254.mspx
* Link: http://en.wikipedia.org/wiki/Windows-1254
*/
ENC_REPLICATE("Windows-1254", "ISO-8859-9");
ENC_ALIAS("CP1254", "Windows-1254");

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@ -370,9 +370,30 @@ OnigEncodingDefine(shift_jis, Shift_JIS) = {
is_allowed_reverse_match,
0
};
/*
* Name: Shift_JIS
* MIBenum: 17
* Link: http://www.iana.org/assignments/character-sets
* Link: http://ja.wikipedia.org/wiki/Shift_JIS
*/
ENC_ALIAS("SJIS", "Shift_JIS");
/*
* Name: Windows-31J
* MIBenum: 2024
* Link: http://www.iana.org/assignments/character-sets
* Link: http://www.microsoft.com/globaldev/reference/dbcs/932.mspx
* Link: http://ja.wikipedia.org/wiki/Windows-31J
* Link: http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/windows-932-2000.ucm
*/
ENC_REPLICATE("Windows-31J", "Shift_JIS");
ENC_ALIAS("CP932", "Windows-31J");
ENC_ALIAS("csWindows31J", "Windows-31J"); /* IANA. IE6 don't accept Windows-31J but csWindows31J. */
/*
* Name: MacJapanese
* Link: http://unicode.org/Public/MAPPINGS/VENDORS/APPLE/JAPANESE.TXT
* Link: http://ja.wikipedia.org/wiki/MacJapanese
*/
ENC_REPLICATE("MacJapanese", "Shift_JIS");
ENC_ALIAS("MacJapan", "MacJapanese");

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@ -198,4 +198,11 @@ OnigEncodingDefine(windows_1251, Windows_1251) = {
onigenc_single_byte_left_adjust_char_head,
onigenc_always_true_is_allowed_reverse_match
};
/*
* Name: windows-1251
* MIBenum: 2251
* Link: http://www.iana.org/assignments/character-sets
* Link: http://www.microsoft.com/globaldev/reference/sbcs/1251.mspx
* Link: http://en.wikipedia.org/wiki/Windows-1251
*/
ENC_ALIAS("CP1251", "Windows-1251");