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-rw-r--r--enc/shift_jis.c525
1 files changed, 4 insertions, 521 deletions
diff --git a/enc/shift_jis.c b/enc/shift_jis.c
index eacca9a5db..65fd5102de 100644
--- a/enc/shift_jis.c
+++ b/enc/shift_jis.c
@@ -1,9 +1,9 @@
/**********************************************************************
- sjis.c - Onigmo (Oniguruma-mod) (regular expression library)
+ shift_jis.c - Onigmo (Oniguruma-mod) (regular expression library)
**********************************************************************/
/*-
- * Copyright (c) 2002-2008 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
- * Copyright (c) 2011 K.Takata <kentkt AT csc DOT jp>
+ * Copyright (c) 2002-2009 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
+ * Copyright (c) 2011-2017 K.Takata <kentkt AT csc DOT jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -28,524 +28,8 @@
* SUCH DAMAGE.
*/
-#include "regenc.h"
+#include "shift_jis.h"
-static const int EncLen_SJIS[] = {
- 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,
- 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, 1, 1, 1
-};
-
-static const char SJIS_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, 0, 0, 0
-};
-
-static const OnigPairCaseFoldCodes CaseFoldMap[] = {
- /* Fullwidth Alphabet */
- { 0x8260, 0x8281 },
- { 0x8261, 0x8282 },
- { 0x8262, 0x8283 },
- { 0x8263, 0x8284 },
- { 0x8264, 0x8285 },
- { 0x8265, 0x8286 },
- { 0x8266, 0x8287 },
- { 0x8267, 0x8288 },
- { 0x8268, 0x8289 },
- { 0x8269, 0x828a },
- { 0x826a, 0x828b },
- { 0x826b, 0x828c },
- { 0x826c, 0x828d },
- { 0x826d, 0x828e },
- { 0x826e, 0x828f },
- { 0x826f, 0x8290 },
- { 0x8270, 0x8291 },
- { 0x8271, 0x8292 },
- { 0x8272, 0x8293 },
- { 0x8273, 0x8294 },
- { 0x8274, 0x8295 },
- { 0x8275, 0x8296 },
- { 0x8276, 0x8297 },
- { 0x8277, 0x8298 },
- { 0x8278, 0x8299 },
- { 0x8279, 0x829a },
-
- /* Greek */
- { 0x839f, 0x83bf },
- { 0x83a0, 0x83c0 },
- { 0x83a1, 0x83c1 },
- { 0x83a2, 0x83c2 },
- { 0x83a3, 0x83c3 },
- { 0x83a4, 0x83c4 },
- { 0x83a5, 0x83c5 },
- { 0x83a6, 0x83c6 },
- { 0x83a7, 0x83c7 },
- { 0x83a8, 0x83c8 },
- { 0x83a9, 0x83c9 },
- { 0x83aa, 0x83ca },
- { 0x83ab, 0x83cb },
- { 0x83ac, 0x83cc },
- { 0x83ad, 0x83cd },
- { 0x83ae, 0x83ce },
- { 0x83af, 0x83cf },
- { 0x83b0, 0x83d0 },
- { 0x83b1, 0x83d1 },
- { 0x83b2, 0x83d2 },
- { 0x83b3, 0x83d3 },
- { 0x83b4, 0x83d4 },
- { 0x83b5, 0x83d5 },
- { 0x83b6, 0x83d6 },
-
- /* Cyrillic */
- { 0x8440, 0x8470 },
- { 0x8441, 0x8471 },
- { 0x8442, 0x8472 },
- { 0x8443, 0x8473 },
- { 0x8444, 0x8474 },
- { 0x8445, 0x8475 },
- { 0x8446, 0x8476 },
- { 0x8447, 0x8477 },
- { 0x8448, 0x8478 },
- { 0x8449, 0x8479 },
- { 0x844a, 0x847a },
- { 0x844b, 0x847b },
- { 0x844c, 0x847c },
- { 0x844d, 0x847d },
- { 0x844e, 0x847e },
- { 0x844f, 0x8480 },
- { 0x8450, 0x8481 },
- { 0x8451, 0x8482 },
- { 0x8452, 0x8483 },
- { 0x8453, 0x8484 },
- { 0x8454, 0x8485 },
- { 0x8455, 0x8486 },
- { 0x8456, 0x8487 },
- { 0x8457, 0x8488 },
- { 0x8458, 0x8489 },
- { 0x8459, 0x848a },
- { 0x845a, 0x848b },
- { 0x845b, 0x848c },
- { 0x845c, 0x848d },
- { 0x845d, 0x848e },
- { 0x845e, 0x848f },
- { 0x845f, 0x8490 },
- { 0x8460, 0x8491 },
-};
-
-#define SJIS_ISMB_FIRST(byte) (EncLen_SJIS[byte] > 1)
-#define SJIS_ISMB_TRAIL(byte) SJIS_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 */ F, 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 */ F, 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 */ 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, F, F, 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 */ 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, F,
- /* 8 */ A, 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, F, F, F
- }
-};
-#undef A
-#undef F
-
-static int
-mbc_enc_len(const UChar* p, const UChar* e, OnigEncoding enc ARG_UNUSED)
-{
- int firstbyte = *p++;
- state_t s;
- s = trans[0][firstbyte];
- if (s < 0) return s == ACCEPT ? ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(1) :
- ONIGENC_CONSTRUCT_MBCLEN_INVALID();
- if (p == e) return ONIGENC_CONSTRUCT_MBCLEN_NEEDMORE(EncLen_SJIS[firstbyte]-1);
- s = trans[s][*p++];
- return s == ACCEPT ? ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(2) :
- ONIGENC_CONSTRUCT_MBCLEN_INVALID();
-}
-
-static int
-code_to_mbclen(OnigCodePoint code, OnigEncoding enc ARG_UNUSED)
-{
- if (code < 256) {
- if (EncLen_SJIS[(int )code] == 1)
- return 1;
- else
- return ONIGERR_INVALID_CODE_POINT_VALUE;
- }
- else if (code <= 0xffff) {
- int low = code & 0xff;
- if (! SJIS_ISMB_TRAIL(low))
- return ONIGERR_INVALID_CODE_POINT_VALUE;
- return 2;
- }
- else
- return ONIGERR_TOO_BIG_WIDE_CHAR_VALUE;
-}
-
-static OnigCodePoint
-mbc_to_code(const UChar* p, const UChar* end, OnigEncoding enc)
-{
- int c, i, len;
- OnigCodePoint n;
-
- len = mbc_enc_len(p, end, enc);
- c = *p++;
- n = c;
- if (len == 1) return n;
-
- for (i = 1; i < len; i++) {
- if (p >= end) break;
- c = *p++;
- n <<= 8; n += c;
- }
- return n;
-}
-
-static int
-code_to_mbc(OnigCodePoint code, UChar *buf, OnigEncoding enc)
-{
- UChar *p = buf;
-
- if ((code & 0xff00) != 0) *p++ = (UChar )(((code >> 8) & 0xff));
- *p++ = (UChar )(code & 0xff);
-
-#if 0
- if (mbc_enc_len(buf, p, enc) != (p - buf))
- return REGERR_INVALID_CODE_POINT_VALUE;
-#endif
- return (int )(p - buf);
-}
-
-static int
-apply_all_case_fold(OnigCaseFoldType flag,
- OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc)
-{
- return onigenc_apply_all_case_fold_with_map(
- numberof(CaseFoldMap), CaseFoldMap, 0,
- flag, f, arg);
-}
-
-static OnigCodePoint
-get_lower_case(OnigCodePoint code)
-{
- if (ONIGENC_IS_IN_RANGE(code, 0x8260, 0x8279)) {
- /* Fullwidth Alphabet */
- return (OnigCodePoint )(code + 0x0021);
- }
- else if (ONIGENC_IS_IN_RANGE(code, 0x839f, 0x83b6)) {
- /* Greek */
- return (OnigCodePoint )(code + 0x0020);
- }
- else if (ONIGENC_IS_IN_RANGE(code, 0x8440, 0x8460)) {
- /* Cyrillic */
- int d = (code >= 0x844f) ? 1 : 0;
- return (OnigCodePoint )(code + (0x0030 + d));
- }
- return code;
-}
-
-static OnigCodePoint
-get_upper_case(OnigCodePoint code)
-{
- if (ONIGENC_IS_IN_RANGE(code, 0x8281, 0x829a)) {
- /* Fullwidth Alphabet */
- return (OnigCodePoint )(code - 0x0021);
- }
- else if (ONIGENC_IS_IN_RANGE(code, 0x83bf, 0x83d6)) {
- /* Greek */
- return (OnigCodePoint )(code - 0x0020);
- }
- else if (ONIGENC_IS_IN_RANGE(code, 0x8470, 0x847e) ||
- ONIGENC_IS_IN_RANGE(code, 0x8480, 0x8491)) {
- /* Cyrillic */
- int d = (code >= 0x8480) ? 1 : 0;
- return (OnigCodePoint )(code - (0x0030 - d));
- }
- return code;
-}
-
-static int
-get_case_fold_codes_by_str(OnigCaseFoldType flag,
- const OnigUChar* p, const OnigUChar* end,
- OnigCaseFoldCodeItem items[], OnigEncoding enc)
-{
- int len;
- OnigCodePoint code, code_lo, code_up;
-
- code = mbc_to_code(p, end, enc);
- if (ONIGENC_IS_ASCII_CODE(code))
- return onigenc_ascii_get_case_fold_codes_by_str(flag, p, end, items, enc);
-
- len = mbc_enc_len(p, end, enc);
- code_lo = get_lower_case(code);
- code_up = get_upper_case(code);
-
- if (code != code_lo) {
- items[0].byte_len = len;
- items[0].code_len = 1;
- items[0].code[0] = code_lo;
- return 1;
- }
- else if (code != code_up) {
- items[0].byte_len = len;
- items[0].code_len = 1;
- items[0].code[0] = code_up;
- return 1;
- }
-
- return 0;
-}
-
-static int
-mbc_case_fold(OnigCaseFoldType flag,
- const UChar** pp, const UChar* end, UChar* lower,
- OnigEncoding enc)
-{
- const UChar* p = *pp;
-
- if (ONIGENC_IS_MBC_ASCII(p)) {
- *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
- (*pp)++;
- return 1;
- }
- else {
- OnigCodePoint code;
- int len;
-
- code = get_lower_case(mbc_to_code(p, end, enc));
- len = code_to_mbc(code, lower, enc);
- (*pp) += len;
- return len; /* return byte length of converted char to lower */
- }
-}
-
-#if 0
-static int
-is_mbc_ambiguous(OnigCaseFoldType flag,
- const UChar** pp, const UChar* end)
-{
- return onigenc_mbn_is_mbc_ambiguous(enc, flag, pp, end);
-
-}
-#endif
-
-#if 0
-static int
-is_code_ctype(OnigCodePoint code, unsigned int ctype)
-{
- if (code < 128)
- return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
- else {
- if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
- return (code_to_mbclen(code) > 1 ? TRUE : FALSE);
- }
- }
-
- return FALSE;
-}
-#endif
-
-static UChar*
-left_adjust_char_head(const UChar* start, const UChar* s, const UChar* end, OnigEncoding enc)
-{
- const UChar *p;
- int len;
-
- if (s <= start) return (UChar* )s;
- p = s;
-
- if (SJIS_ISMB_TRAIL(*p)) {
- while (p > start) {
- if (! SJIS_ISMB_FIRST(*--p)) {
- p++;
- break;
- }
- }
- }
- len = mbc_enc_len(p, end, enc);
- if (p + len > s) return (UChar* )p;
- p += len;
- return (UChar* )(p + ((s - p) & ~1));
-}
-
-static int
-is_allowed_reverse_match(const UChar* s, const UChar* end, OnigEncoding enc ARG_UNUSED)
-{
- const UChar c = *s;
- return (SJIS_ISMB_TRAIL(c) ? FALSE : TRUE);
-}
-
-
-static const OnigCodePoint CR_Hiragana[] = {
- 1,
- 0x829f, 0x82f1
-}; /* CR_Hiragana */
-
-static const OnigCodePoint CR_Katakana[] = {
- 4,
- 0x00a6, 0x00af,
- 0x00b1, 0x00dd,
- 0x8340, 0x837e,
- 0x8380, 0x8396,
-}; /* CR_Katakana */
-
-#ifdef ENC_CP932
-static const OnigCodePoint CR_Han[] = {
- 6,
- 0x8157, 0x8157,
- 0x889f, 0x9872, /* Kanji level 1 */
- 0x989f, 0x9ffc, /* Kanji level 2 */
- 0xe040, 0xeaa4, /* Kanji level 2 */
- 0xed40, 0xeeec, /* NEC-selected IBM extended characters (without symbols) */
- 0xfa5c, 0xfc4b, /* IBM extended characters (without symbols) */
-}; /* CR_Han */
-#else
-static const OnigCodePoint CR_Han[] = {
- 4,
- 0x8157, 0x8157,
- 0x889f, 0x9872, /* Kanji level 1 */
- 0x989f, 0x9ffc, /* Kanji level 2 */
- 0xe040, 0xeaa4, /* Kanji level 2 */
-}; /* CR_Han */
-#endif
-
-static const OnigCodePoint CR_Latin[] = {
- 4,
- 0x0041, 0x005a,
- 0x0061, 0x007a,
- 0x8260, 0x8279,
- 0x8281, 0x829a,
-}; /* CR_Latin */
-
-static const OnigCodePoint CR_Greek[] = {
- 2,
- 0x839f, 0x83b6,
- 0x83bf, 0x83d6,
-}; /* CR_Greek */
-
-static const OnigCodePoint CR_Cyrillic[] = {
- 3,
- 0x8440, 0x8460,
- 0x8470, 0x847f,
- 0x8480, 0x8491,
-}; /* CR_Cyrillic */
-
-#include "enc/jis/props.h"
-
-static int
-property_name_to_ctype(OnigEncoding enc, const UChar* p, const UChar* end)
-{
- const UChar *s = p, *e = end;
- const struct enc_property *prop =
- onig_jis_property((const char* )s, (unsigned int )(e - s));
-
- if (!prop) {
- return onigenc_minimum_property_name_to_ctype(enc, s, e);
- }
-
- return (int )prop->ctype;
-}
-
-static int
-is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc)
-{
- if (ctype <= ONIGENC_MAX_STD_CTYPE) {
- if (code < 128)
- return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
- else {
- if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
- return TRUE;
- }
- }
- }
- else {
- ctype -= (ONIGENC_MAX_STD_CTYPE + 1);
- if (ctype >= (unsigned int )PropertyListNum)
- return ONIGERR_TYPE_BUG;
-
- return onig_is_in_code_range((UChar* )PropertyList[ctype], code);
- }
-
- return FALSE;
-}
-
-static int
-get_ctype_code_range(OnigCtype ctype, OnigCodePoint* sb_out,
- const OnigCodePoint* ranges[], OnigEncoding enc ARG_UNUSED)
-{
- if (ctype <= ONIGENC_MAX_STD_CTYPE) {
- return ONIG_NO_SUPPORT_CONFIG;
- }
- else {
- *sb_out = 0x80;
-
- ctype -= (ONIGENC_MAX_STD_CTYPE + 1);
- if (ctype >= (OnigCtype )PropertyListNum)
- return ONIGERR_TYPE_BUG;
-
- *ranges = PropertyList[ctype];
- return 0;
- }
-}
-
-#ifndef ENC_CP932
OnigEncodingDefine(shift_jis, Shift_JIS) = {
mbc_enc_len,
"Shift_JIS", /* name */
@@ -581,4 +65,3 @@ OnigEncodingDefine(shift_jis, Shift_JIS) = {
*/
ENC_REPLICATE("MacJapanese", "Shift_JIS")
ENC_ALIAS("MacJapan", "MacJapanese")
-#endif