diff options
Diffstat (limited to 'enc')
| -rw-r--r-- | enc/windows_1251.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/enc/windows_1251.c b/enc/windows_1251.c index b9675cfd8e..0f9b7fa69a 100644 --- a/enc/windows_1251.c +++ b/enc/windows_1251.c @@ -180,6 +180,47 @@ cp1251_get_case_fold_codes_by_str(OnigCaseFoldType flag, flag, p, end, items); } +static int +case_map (OnigCaseFoldType* flagP, const OnigUChar** pp, + const OnigUChar* end, OnigUChar* to, OnigUChar* to_end, + const struct OnigEncodingTypeST* enc) +{ + OnigCodePoint code; + OnigUChar *to_start = to; + OnigCaseFoldType flags = *flagP; + + while (*pp<end && to<to_end) { + code = *(*pp)++; + if ((EncCP1251_CtypeTable[code] & BIT_CTYPE_UPPER) + && (flags & (ONIGENC_CASE_DOWNCASE|ONIGENC_CASE_FOLD))) { + flags |= ONIGENC_CASE_MODIFIED; + code = ENC_CP1251_TO_LOWER_CASE(code); + } + else if (code==0xB5) ; + else if ((EncCP1251_CtypeTable[code]&BIT_CTYPE_LOWER) + && (flags&ONIGENC_CASE_UPCASE)) { + flags |= ONIGENC_CASE_MODIFIED; + if ((0x61<=code && code<=0x7A) || (0xE0<=code && code<=0xFF)) + code -= 0x20; + else if (code==0xA2 || code==0xB3 || code==0xBE) + code -= 0x01; + else if (code==0x83) + code = 0x81; + else if (code==0xBC) + code = 0xA3; + else if (code==0xB4) + code = 0xA5; + else + code -= 0x10; + } + *to++ = code; + if (flags&ONIGENC_CASE_TITLECASE) /* switch from titlecase to lowercase for capitalize */ + flags ^= (ONIGENC_CASE_UPCASE|ONIGENC_CASE_DOWNCASE|ONIGENC_CASE_TITLECASE); + } + *flagP = flags; + return (int)(to-to_start); +} + OnigEncodingDefine(windows_1251, Windows_1251) = { onigenc_single_byte_mbc_enc_len, "Windows-1251", /* name */ @@ -199,7 +240,7 @@ OnigEncodingDefine(windows_1251, Windows_1251) = { onigenc_always_true_is_allowed_reverse_match, 0, ONIGENC_FLAG_NONE, - onigenc_single_byte_ascii_only_case_map, + case_map, }; /* * Name: windows-1251 |