diff options
Diffstat (limited to 'sjis.c')
| -rw-r--r-- | sjis.c | 176 |
1 files changed, 128 insertions, 48 deletions
@@ -2,7 +2,7 @@ sjis.c - Oniguruma (regular expression library) **********************************************************************/ /*- - * Copyright (c) 2002-2005 K.Kosako <sndgk393 AT ybb DOT ne DOT jp> + * 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 @@ -27,7 +27,7 @@ * SUCH DAMAGE. */ -#include "regenc.h" +#include "regint.h" static const int EncLen_SJIS[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -71,13 +71,13 @@ static const char SJIS_CAN_BE_TRAIL_TABLE[256] = { #define SJIS_ISMB_TRAIL(byte) SJIS_CAN_BE_TRAIL_TABLE[(byte)] static int -sjis_mbc_enc_len(const UChar* p) +mbc_enc_len(const UChar* p) { return EncLen_SJIS[*p]; } static int -sjis_code_to_mbclen(OnigCodePoint code) +code_to_mbclen(OnigCodePoint code) { if (code < 256) { if (EncLen_SJIS[(int )code] == 1) @@ -93,7 +93,7 @@ sjis_code_to_mbclen(OnigCodePoint code) } static OnigCodePoint -sjis_mbc_to_code(const UChar* p, const UChar* end) +mbc_to_code(const UChar* p, const UChar* end) { int c, i, len; OnigCodePoint n; @@ -112,7 +112,7 @@ sjis_mbc_to_code(const UChar* p, const UChar* end) } static int -sjis_code_to_mbc(OnigCodePoint code, UChar *buf) +code_to_mbc(OnigCodePoint code, UChar *buf) { UChar *p = buf; @@ -127,60 +127,56 @@ sjis_code_to_mbc(OnigCodePoint code, UChar *buf) } static int -sjis_mbc_to_normalize(OnigAmbigType flag, - const UChar** pp, const UChar* end, UChar* lower) +mbc_case_fold(OnigCaseFoldType 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; - } - + *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p); (*pp)++; return 1; } else { + int i; int len = enc_len(ONIG_ENCODING_SJIS, p); - if (lower != p) { - int i; - for (i = 0; i < len; i++) { - *lower++ = *p++; - } + for (i = 0; i < len; i++) { + *lower++ = *p++; } (*pp) += len; return len; /* return byte length of converted char to lower */ } } +#if 0 static int -sjis_is_mbc_ambiguous(OnigAmbigType flag, const UChar** pp, const UChar* end) +is_mbc_ambiguous(OnigCaseFoldType flag, + const UChar** pp, const UChar* end) { return onigenc_mbn_is_mbc_ambiguous(ONIG_ENCODING_SJIS, flag, pp, end); } +#endif +#if 0 static int -sjis_is_code_ctype(OnigCodePoint code, unsigned int ctype) +is_code_ctype(OnigCodePoint code, unsigned int ctype) { if (code < 128) return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype); else { - if ((ctype & (ONIGENC_CTYPE_WORD | - ONIGENC_CTYPE_GRAPH | ONIGENC_CTYPE_PRINT)) != 0) { - return (sjis_code_to_mbclen(code) > 1 ? TRUE : FALSE); + if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) { + return (code_to_mbclen(code) > 1 ? TRUE : FALSE); } } return FALSE; } +#endif static UChar* -sjis_left_adjust_char_head(const UChar* start, const UChar* s) +left_adjust_char_head(const UChar* start, const UChar* s) { const UChar *p; int len; @@ -203,36 +199,120 @@ sjis_left_adjust_char_head(const UChar* start, const UChar* s) } static int -sjis_is_allowed_reverse_match(const UChar* s, const UChar* end) +is_allowed_reverse_match(const UChar* s, const UChar* end) { const UChar c = *s; return (SJIS_ISMB_TRAIL(c) ? FALSE : TRUE); } + +static int PropertyInited = 0; +static const OnigCodePoint** PropertyList; +static int PropertyListNum; +static int PropertyListSize; +static hash_table_type* PropertyNameTable; + +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 */ + +static int +init_property_list(void) +{ + int r; + + PROPERTY_LIST_ADD_PROP("Hiragana", CR_Hiragana); + PROPERTY_LIST_ADD_PROP("Katakana", CR_Katakana); + PropertyInited = 1; + + end: + return r; +} + +static int +property_name_to_ctype(OnigEncoding enc, UChar* p, UChar* end) +{ + int ctype; + + PROPERTY_LIST_INIT_CHECK; + + if (onig_st_lookup_strend(PropertyNameTable, p, end, (void*)&ctype) == 0) { + return onigenc_minimum_property_name_to_ctype(enc, p, end); + } + + return ctype; +} + +static int +is_code_ctype(OnigCodePoint code, unsigned int ctype) +{ + 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 (code_to_mbclen(code) > 1 ? TRUE : FALSE); + } + } + } + else { + PROPERTY_LIST_INIT_CHECK; + + ctype -= (ONIGENC_MAX_STD_CTYPE + 1); + if (ctype >= (unsigned int )PropertyListNum) + return ONIGENCERR_TYPE_BUG; + + return onig_is_in_code_range((UChar* )PropertyList[ctype], code); + } + + return FALSE; +} + +static int +get_ctype_code_range(int ctype, OnigCodePoint* sb_out, + const OnigCodePoint* ranges[]) +{ + if (ctype <= ONIGENC_MAX_STD_CTYPE) { + return ONIG_NO_SUPPORT_CONFIG; + } + else { + *sb_out = 0x80; + + PROPERTY_LIST_INIT_CHECK; + + ctype -= (ONIGENC_MAX_STD_CTYPE + 1); + if (ctype >= PropertyListNum) + return ONIGENCERR_TYPE_BUG; + + *ranges = PropertyList[ctype]; + return 0; + } +} + OnigEncodingType OnigEncodingSJIS = { - sjis_mbc_enc_len, + 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 + mbc_to_code, + code_to_mbclen, + code_to_mbc, + mbc_case_fold, + onigenc_ascii_apply_all_case_fold, + onigenc_ascii_get_case_fold_codes_by_str, + property_name_to_ctype, + is_code_ctype, + get_ctype_code_range, + left_adjust_char_head, + is_allowed_reverse_match }; |