summaryrefslogtreecommitdiff
path: root/enc/iso_8859_2.c
diff options
context:
space:
mode:
authorduerst <duerst@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-07-30 03:00:09 +0000
committerduerst <duerst@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-07-30 03:00:09 +0000
commit4abdd6c5aa82b94196611251bb8c6db96ffb93f5 (patch)
tree2d71b24f0bf359ff95a81138fcb55e5e4713bbe5 /enc/iso_8859_2.c
parentc463366dfd75056885028a95e8e2fc6e135d9194 (diff)
* enc/iso_8859_2.c, test/ruby/enc/test_case_comprehensive.rb:
Implement non-ASCII case conversion for ISO-8859-2, by Yushiro Ishii. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55775 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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 f0a74ee..faac882 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")