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string.c: performance improvement

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* string.c (rb_str_rpartition): get rid of conversion from byte offset
  to char offset and backward, for performance improvement.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39928 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-03-25 09:13:08 +00:00
parent f4ac735476
commit 2149c313f4
1 changed files with 6 additions and 3 deletions
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9
string.c
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@ -7522,7 +7522,6 @@ rb_str_rpartition(VALUE str, VALUE sep)
if (RB_TYPE_P(sep, T_REGEXP)) {
pos = rb_reg_search(sep, str, pos, 1);
pos = rb_str_sublen(str, pos);
regex = TRUE;
}
else {
@ -7543,9 +7542,13 @@ rb_str_rpartition(VALUE str, VALUE sep)
if (regex) {
sep = rb_reg_nth_match(0, rb_backref_get());
}
return rb_ary_new3(3, rb_str_substr(str, 0, pos),
else {
pos = rb_str_offset(str, pos);
}
return rb_ary_new3(3, rb_str_subseq(str, 0, pos),
sep,
rb_str_substr(str,pos+str_strlen(sep,STR_ENC_GET(sep)),RSTRING_LEN(str)));
rb_str_subseq(str, pos+RSTRING_LEN(sep),
RSTRING_LEN(str)-pos-RSTRING_LEN(sep)));
}
/*