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99 lines
2.8 KiB
C
99 lines
2.8 KiB
C
/**********************************************************************
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euc_tw.c - Oniguruma (regular expression library)
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Copyright (C) 2004 K.Kosako (kosako@sofnec.co.jp)
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**********************************************************************/
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#include "regenc.h"
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static OnigCodePoint
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euctw_mbc_to_code(UChar* p, UChar* end)
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{
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return onigenc_mbn_mbc_to_code(ONIG_ENCODING_EUC_TW, p, end);
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}
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static int
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euctw_code_to_mbc(OnigCodePoint code, UChar *buf)
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{
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return onigenc_mb4_code_to_mbc(ONIG_ENCODING_EUC_TW, code, buf);
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}
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static int
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euctw_mbc_to_lower(UChar* p, UChar* lower)
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{
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return onigenc_mbn_mbc_to_lower(ONIG_ENCODING_EUC_TW, p, lower);
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}
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static int
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euctw_code_is_ctype(OnigCodePoint code, unsigned int ctype)
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{
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return onigenc_mb4_code_is_ctype(ONIG_ENCODING_EUC_TW, code, ctype);
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}
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#define euctw_islead(c) (((c) < 0xa1 && (c) != 0x8e) || (c) == 0xff)
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static UChar*
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euctw_left_adjust_char_head(UChar* start, UChar* s)
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{
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/* Assumed in this encoding,
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mb-trail bytes don't mix with single bytes.
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*/
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UChar *p;
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int len;
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if (s <= start) return s;
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p = s;
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while (!euctw_islead(*p) && p > start) p--;
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len = enc_len(ONIG_ENCODING_EUC_TW, *p);
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if (p + len > s) return p;
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p += len;
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return p + ((s - p) & ~1);
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}
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static int
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euctw_is_allowed_reverse_match(UChar* s, UChar* end)
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{
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UChar c = *s;
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if (c <= 0x7e) return TRUE;
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else return FALSE;
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}
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OnigEncodingType OnigEncodingEUC_TW = {
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{
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1
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},
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"EUC-TW", /* name */
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4, /* max byte length */
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FALSE, /* is_fold_match */
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ONIGENC_CTYPE_SUPPORT_LEVEL_SB, /* ctype_support_level */
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FALSE, /* is continuous sb mb codepoint */
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euctw_mbc_to_code,
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onigenc_mb4_code_to_mbclen,
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euctw_code_to_mbc,
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euctw_mbc_to_lower,
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onigenc_mbn_mbc_is_case_ambig,
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euctw_code_is_ctype,
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onigenc_nothing_get_ctype_code_range,
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euctw_left_adjust_char_head,
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euctw_is_allowed_reverse_match,
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onigenc_nothing_get_all_fold_match_code,
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onigenc_nothing_get_fold_match_info
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};
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