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Diffstat (limited to 'enc/iso_8859_2.c')
-rw-r--r--enc/iso_8859_2.c51
1 files changed, 49 insertions, 2 deletions
diff --git a/enc/iso_8859_2.c b/enc/iso_8859_2.c
index f0a74ee7e8..faac882819 100644
--- a/enc/iso_8859_2.c
+++ b/enc/iso_8859_2.c
@@ -1,4 +1,4 @@
-/**********************************************************************
+ /**********************************************************************
iso8859_2.c - Oniguruma (regular expression library)
**********************************************************************/
/*-
@@ -220,6 +220,53 @@ is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc ARG_UNUSE
return FALSE;
}
+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 ((EncISO_8859_2_CtypeTable[code] & BIT_CTYPE_UPPER)
+ && (flags & (ONIGENC_CASE_DOWNCASE|ONIGENC_CASE_FOLD))) {
+ flags |= ONIGENC_CASE_MODIFIED;
+ code = ENC_ISO_8859_2_TO_LOWER_CASE(code);
+ }
+ else if ((EncISO_8859_2_CtypeTable[code]&BIT_CTYPE_LOWER)
+ && (flags&ONIGENC_CASE_UPCASE)) {
+ if (code>=0xB1 && code<=0xBF){
+ flags |= ONIGENC_CASE_MODIFIED;
+ code -= 0x10;
+ }
+ else{
+ flags |= ONIGENC_CASE_MODIFIED;
+ 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(iso_8859_2, ISO_8859_2) = {
onigenc_single_byte_mbc_enc_len,
"ISO-8859-2", /* name */
@@ -239,6 +286,6 @@ OnigEncodingDefine(iso_8859_2, ISO_8859_2) = {
onigenc_always_true_is_allowed_reverse_match,
0,
ONIGENC_FLAG_NONE,
- onigenc_single_byte_ascii_only_case_map,
+ case_map,
};
ENC_ALIAS("ISO8859-2", "ISO-8859-2")