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* enc/windows_1251.c, test/ruby/enc/test_case_comprehensive.rb:

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Implement non-ASCII case conversion for Windows-1251, by Shunsuke Sato.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55749 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
duerst 2016-07-26 06:30:39 +00:00
parent 18440efa3a
commit c8a1d8b33b
3 changed files with 48 additions and 2 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Tue Jul 26 15:30:37 2016 Martin Duerst <duerst@it.aoyama.ac.jp>
* enc/windows_1251.c, test/ruby/enc/test_case_comprehensive.rb:
Implement non-ASCII case conversion for Windows-1251, by Shunsuke Sato.
Tue Jul 26 13:04:59 2016 Martin Duerst <duerst@it.aoyama.ac.jp>
* test/ruby/enc/test_case_comprehensive.rb: Add explicit skip test for

43
enc/windows_1251.c
View file

@ -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

2
test/ruby/enc/test_case_comprehensive.rb
View file

@ -287,7 +287,7 @@ TestComprehensiveCaseFold.data_files_available? and class TestComprehensiveCase
generate_ascii_only_case_mapping_tests 'Shift_JIS'
generate_ascii_only_case_mapping_tests 'Windows-31J'
generate_ascii_only_case_mapping_tests 'Windows-1250'
generate_ascii_only_case_mapping_tests 'Windows-1251'
generate_case_mapping_tests 'Windows-1251'
generate_case_mapping_tests 'Windows-1252'
generate_ascii_only_case_mapping_tests 'Windows-1253'
generate_ascii_only_case_mapping_tests 'Windows-1254'