diff options
Diffstat (limited to 'enc/windows_1257.c')
-rw-r--r-- | enc/windows_1257.c | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/enc/windows_1257.c b/enc/windows_1257.c index 557d4c00d7..40cdb969aa 100644 --- a/enc/windows_1257.c +++ b/enc/windows_1257.c @@ -225,6 +225,60 @@ get_case_fold_codes_by_str(OnigCaseFoldType flag, flag, p, end, items); } +#define DOTLESS_i (0xB9) +#define I_WITH_DOT_ABOVE (0xA9) +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 (code==SHARP_s) { + if (flags&ONIGENC_CASE_UPCASE) { + flags |= ONIGENC_CASE_MODIFIED; + *to++ = 'S'; + code = (flags&ONIGENC_CASE_TITLECASE) ? 's' : 'S'; + } + else if (flags&ONIGENC_CASE_FOLD) { + flags |= ONIGENC_CASE_MODIFIED; + *to++ = 's'; + code = 's'; + } + } + else if (code==0xB5) ; + else if ((EncCP1252_CtypeTable[code] & BIT_CTYPE_UPPER) + && (flags & (ONIGENC_CASE_DOWNCASE|ONIGENC_CASE_FOLD))) { + flags |= ONIGENC_CASE_MODIFIED; + if (code=='I') + code = flags&ONIGENC_CASE_FOLD_TURKISH_AZERI ? DOTLESS_i : 'i'; + else + code = ENC_CP1252_TO_LOWER_CASE(code); + } + else if ((EncCP1252_CtypeTable[code]&BIT_CTYPE_LOWER) + && (flags&ONIGENC_CASE_UPCASE)) { + flags |= ONIGENC_CASE_MODIFIED; + if (code=='i') + code = flags&ONIGENC_CASE_FOLD_TURKISH_AZERI ? I_WITH_DOT_ABOVE : 'I'; + else if (code==DOTLESS_i) + code = 'I'; + else if (code>=0xB0 && code<=0xBF ) + code -= 0x10; + else + code -= 0x20; + } + *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_1257, Windows_1257) = { onigenc_single_byte_mbc_enc_len, "Windows-1257", /* name */ @@ -244,7 +298,7 @@ OnigEncodingDefine(windows_1257, Windows_1257) = { onigenc_always_true_is_allowed_reverse_match, 0, ONIGENC_FLAG_NONE, - onigenc_single_byte_ascii_only_case_map, + case_map, }; ENC_ALIAS("CP1257", "Windows-1257") |