diff options
Diffstat (limited to 'euc_jp.c')
| -rw-r--r-- | euc_jp.c | 186 |
1 files changed, 121 insertions, 65 deletions
@@ -2,7 +2,7 @@ euc_jp.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" #define eucjp_islead(c) ((UChar )((c) - 0xa1) > 0xfe - 0xa1) @@ -51,13 +51,13 @@ static const int EncLen_EUCJP[] = { }; static int -eucjp_mbc_enc_len(const UChar* p) +mbc_enc_len(const UChar* p) { return EncLen_EUCJP[*p]; } static OnigCodePoint -eucjp_mbc_to_code(const UChar* p, const UChar* end) +mbc_to_code(const UChar* p, const UChar* end) { int c, i, len; OnigCodePoint n; @@ -75,7 +75,7 @@ eucjp_mbc_to_code(const UChar* p, const UChar* end) } static int -eucjp_code_to_mbclen(OnigCodePoint code) +code_to_mbclen(OnigCodePoint code) { if (ONIGENC_IS_CODE_ASCII(code)) return 1; else if ((code & 0xff0000) != 0) return 3; @@ -85,7 +85,7 @@ eucjp_code_to_mbclen(OnigCodePoint code) #if 0 static int -eucjp_code_to_mbc_first(OnigCodePoint code) +code_to_mbc_first(OnigCodePoint code) { int first; @@ -103,7 +103,7 @@ eucjp_code_to_mbc_first(OnigCodePoint code) #endif static int -eucjp_code_to_mbc(OnigCodePoint code, UChar *buf) +code_to_mbc(OnigCodePoint code, UChar *buf) { UChar *p = buf; @@ -119,59 +119,31 @@ eucjp_code_to_mbc(OnigCodePoint code, UChar *buf) } static int -eucjp_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) { int len; 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; + len = enc_len(ONIG_ENCODING_EUC_JP, 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 */ } } -static int -eucjp_is_mbc_ambiguous(OnigAmbigType flag, const UChar** pp, const UChar* end) -{ - return onigenc_mbn_is_mbc_ambiguous(ONIG_ENCODING_EUC_JP, flag, pp, end); -} - -static int -eucjp_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 (eucjp_code_to_mbclen(code) > 1 ? TRUE : FALSE); - } - } - - return FALSE; -} - static UChar* -eucjp_left_adjust_char_head(const UChar* start, const UChar* s) +left_adjust_char_head(const UChar* start, const UChar* s) { /* In this encoding mb-trail bytes doesn't mix with single bytes. @@ -190,7 +162,7 @@ eucjp_left_adjust_char_head(const UChar* start, const UChar* s) } static int -eucjp_is_allowed_reverse_match(const UChar* s, const UChar* end) +is_allowed_reverse_match(const UChar* s, const UChar* end) { const UChar c = *s; if (c <= 0x7e || c == 0x8e || c == 0x8f) @@ -199,30 +171,114 @@ eucjp_is_allowed_reverse_match(const UChar* s, const UChar* end) return FALSE; } + +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, + 0xa4a1, 0xa4f3 +}; /* CR_Hiragana */ + +static const OnigCodePoint CR_Katakana[] = { + 3, + 0xa5a1, 0xa5f6, + 0xaaa6, 0xaaaf, + 0xaab1, 0xaadd +}; /* 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 OnigEncodingEUC_JP = { - eucjp_mbc_enc_len, + mbc_enc_len, "EUC-JP", /* name */ 3, /* max enc length */ 1, /* min enc 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, - eucjp_mbc_to_code, - eucjp_code_to_mbclen, - eucjp_code_to_mbc, - eucjp_mbc_to_normalize, - eucjp_is_mbc_ambiguous, - onigenc_ascii_get_all_pair_ambig_codes, - onigenc_nothing_get_all_comp_ambig_codes, - eucjp_is_code_ctype, - onigenc_not_support_get_ctype_code_range, - eucjp_left_adjust_char_head, - eucjp_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 }; |