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string.c: skip invalid char gap

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* string.c (enc_succ_alnum_char): try to skip an invalid character
  gap between GREEK CAPITAL RHO and SIGMA.
  [ruby-core:74478] [Bug #12204]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54210 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-03-21 10:09:33 +00:00
parent 90c543e483
commit 0f32783976
3 changed files with 22 additions and 5 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Mon Mar 21 19:09:31 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
* string.c (enc_succ_alnum_char): try to skip an invalid character
gap between GREEK CAPITAL RHO and SIGMA.
[ruby-core:74478] [Bug #12204]
Mon Mar 21 18:55:49 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
* node.c (rb_gc_mark_node): NODE_MATCH2 can have nd_args, u3,

16
string.c
View file

@ -3552,6 +3552,10 @@ enc_succ_alnum_char(char *p, long len, rb_encoding *enc, char *carry)
int range;
char save[ONIGENC_CODE_TO_MBC_MAXLEN];
/* skip 03A2, invalid char between GREEK CAPITAL LETTERS */
int try;
const int max_gaps = 1;
c = rb_enc_mbc_to_codepoint(p, p+len, enc);
if (rb_enc_isctype(c, ONIGENC_CTYPE_DIGIT, enc))
ctype = ONIGENC_CTYPE_DIGIT;
@ -3561,11 +3565,13 @@ enc_succ_alnum_char(char *p, long len, rb_encoding *enc, char *carry)
return NEIGHBOR_NOT_CHAR;
MEMCPY(save, p, char, len);
ret = enc_succ_char(p, len, enc);
if (ret == NEIGHBOR_FOUND) {
c = rb_enc_mbc_to_codepoint(p, p+len, enc);
if (rb_enc_isctype(c, ctype, enc))
return NEIGHBOR_FOUND;
for (try = 0; try <= max_gaps; ++try) {
ret = enc_succ_char(p, len, enc);
if (ret == NEIGHBOR_FOUND) {
c = rb_enc_mbc_to_codepoint(p, p+len, enc);
if (rb_enc_isctype(c, ctype, enc))
return NEIGHBOR_FOUND;
}
}
MEMCPY(p, save, char, len);
range = 1;

5
test/ruby/test_m17n.rb
View file

@ -1678,4 +1678,9 @@ class TestM17N < Test::Unit::TestCase
end
assert_equal(e("[\"\xB4\xC1\xBB\xFA\"]"), s, bug11787)
end
def test_greek_capital_gap
bug12204 = '[ruby-core:74478] [Bug #12204] GREEK CAPITAL RHO and SIGMA'
assert_equal("\u03A3", "\u03A1".succ, bug12204)
end
end