* re.c (match_aref, rb_reg_regsub): consider encoding of captured
  names, encoding-incompatible should not match.
  [ruby-dev:48278] [Bug #9903]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46346 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-06-04 13:09:57 +00:00
Родитель ea0e8e61c0
Коммит 5861d4f18b
3 изменённых файлов: 22 добавлений и 6 удалений

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@ -1,3 +1,9 @@
Wed Jun 4 22:09:53 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* re.c (match_aref, rb_reg_regsub): consider encoding of captured
names, encoding-incompatible should not match.
[ruby-dev:48278] [Bug #9903]
Wed Jun 4 21:23:52 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* re.c (match_aref): should not ignore name after NUL byte.

13
re.c
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@ -1796,9 +1796,9 @@ match_aref(int argc, VALUE *argv, VALUE match)
/* fall through */
case T_STRING:
p = StringValuePtr(idx);
num = name_to_backref_number(RMATCH_REGS(match),
RMATCH(match)->regexp, p, p + RSTRING_LEN(idx));
if (num < 1) {
if (!rb_enc_compatible(RREGEXP(RMATCH(match)->regexp)->src, idx) ||
(num = name_to_backref_number(RMATCH_REGS(match), RMATCH(match)->regexp,
p, p + RSTRING_LEN(idx))) < 1) {
name_to_backref_error(idx);
}
return rb_reg_nth_match(num, match);
@ -3417,9 +3417,10 @@ rb_reg_regsub(VALUE str, VALUE src, struct re_registers *regs, VALUE regexp)
name_end += c == -1 ? mbclen(name_end, e, str_enc) : clen;
}
if (name_end < e) {
no = name_to_backref_number(regs, regexp, name, name_end);
if (no < 1) {
VALUE n = rb_str_subseq(str, (long)(name - RSTRING_PTR(str)), (long)(name_end - name));
VALUE n = rb_str_subseq(str, (long)(name - RSTRING_PTR(str)),
(long)(name_end - name));
if (!rb_enc_compatible(RREGEXP(regexp)->src, n) ||
(no = name_to_backref_number(regs, regexp, name, name_end)) < 1) {
name_to_backref_error(n);
}
p = s = name_end + clen;

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@ -158,6 +158,15 @@ class TestRegexp < Test::Unit::TestCase
}
end
def test_named_capture_nonascii
bug9903 = '[ruby-dev:48278] [Bug #9903]'
key = "\xb1\xb2".force_encoding(Encoding::EUC_JP)
m = /(?<#{key}>.*)/.match("xxx")
assert_equal("xxx", m[key])
assert_raise(IndexError, bug9903) {m[key.dup.force_encoding(Encoding::Shift_JIS)]}
end
def test_assign_named_capture
assert_equal("a", eval('/(?<foo>.)/ =~ "a"; foo'))
assert_equal("a", eval('foo = 1; /(?<foo>.)/ =~ "a"; foo'))