diff options
Diffstat (limited to 'ext/mbstring/oniguruma/enc/sjis.c')
-rw-r--r-- | ext/mbstring/oniguruma/enc/sjis.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/ext/mbstring/oniguruma/enc/sjis.c b/ext/mbstring/oniguruma/enc/sjis.c deleted file mode 100644 index e13407bccf..0000000000 --- a/ext/mbstring/oniguruma/enc/sjis.c +++ /dev/null @@ -1,243 +0,0 @@ -/********************************************************************** - sjis.c - Oniguruma (regular expression library) -**********************************************************************/ -/*- - * Copyright (c) 2002-2005 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 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 -}; - -#define SJIS_ISMB_FIRST(byte) (EncLen_SJIS[byte] > 1) -#define SJIS_ISMB_TRAIL(byte) SJIS_CAN_BE_TRAIL_TABLE[(byte)] - -static int -sjis_mbc_enc_len(const UChar* p) -{ - return EncLen_SJIS[*p]; -} - -extern int -sjis_code_to_mbclen(OnigCodePoint code) -{ - if (code < 256) { - if (EncLen_SJIS[(int )code] == 1) - return 1; - else - return 0; - } - else if (code <= 0xffff) { - return 2; - } - else - return 0; -} - -static OnigCodePoint -sjis_mbc_to_code(const UChar* p, const UChar* end) -{ - int c, i, len; - OnigCodePoint n; - - len = enc_len(ONIG_ENCODING_SJIS, p); - 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 -sjis_code_to_mbc(OnigCodePoint code, UChar *buf) -{ - UChar *p = buf; - - if ((code & 0xff00) != 0) *p++ = (UChar )(((code >> 8) & 0xff)); - *p++ = (UChar )(code & 0xff); - -#if 0 - if (enc_len(ONIG_ENCODING_SJIS, buf) != (p - buf)) - return REGERR_INVALID_WIDE_CHAR_VALUE; -#endif - return p - buf; -} - -static int -sjis_mbc_to_normalize(OnigAmbigType flag, - const UChar** pp, const UChar* end, UChar* lower) -{ - const UChar* p = *pp; - - if (ONIGENC_IS_MBC_ASCII(p)) { - if ((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0) { - *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p); - } - else { - *lower = *p; - } - - (*pp)++; - return 1; - } - else { - int len = enc_len(ONIG_ENCODING_SJIS, p); - - if (lower != p) { - int i; - for (i = 0; i < len; i++) { - *lower++ = *p++; - } - } - (*pp) += len; - return len; /* return byte length of converted char to lower */ - } -} - -static int -sjis_is_mbc_ambiguous(OnigAmbigType flag, const UChar** pp, const UChar* end) -{ - return onigenc_mbn_is_mbc_ambiguous(ONIG_ENCODING_SJIS, flag, pp, end); - -} - -static int -sjis_is_code_ctype(OnigCodePoint code, unsigned int ctype) -{ - if ((ctype & ONIGENC_CTYPE_WORD) != 0) { - if (code < 128) - return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype); - else { - return (sjis_code_to_mbclen(code) > 1 ? TRUE : FALSE); - } - - ctype &= ~ONIGENC_CTYPE_WORD; - if (ctype == 0) return FALSE; - } - - if (code < 128) - return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype); - else - return FALSE; -} - -static UChar* -sjis_left_adjust_char_head(const UChar* start, const UChar* s) -{ - 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 = enc_len(ONIG_ENCODING_SJIS, p); - if (p + len > s) return (UChar* )p; - p += len; - return (UChar* )(p + ((s - p) & ~1)); -} - -static int -sjis_is_allowed_reverse_match(const UChar* s, const UChar* end) -{ - const UChar c = *s; - return (SJIS_ISMB_TRAIL(c) ? FALSE : TRUE); -} - -OnigEncodingType OnigEncodingSJIS = { - sjis_mbc_enc_len, - "Shift_JIS", /* name */ - 2, /* max byte length */ - 1, /* min byte length */ - ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE, - { - (OnigCodePoint )'\\' /* esc */ - , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */ - , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */ - , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */ - , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */ - , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */ - }, - onigenc_is_mbc_newline_0x0a, - sjis_mbc_to_code, - sjis_code_to_mbclen, - sjis_code_to_mbc, - sjis_mbc_to_normalize, - sjis_is_mbc_ambiguous, - onigenc_ascii_get_all_pair_ambig_codes, - onigenc_nothing_get_all_comp_ambig_codes, - sjis_is_code_ctype, - onigenc_not_support_get_ctype_code_range, - sjis_left_adjust_char_head, - sjis_is_allowed_reverse_match -}; |