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* string.c (rb_str_sub_bang, str_gsub): allows hash for replacement.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15487 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2008-02-15 09:23:55 +00:00
parent 8b09f7015a
commit a05337f14d
2 changed files with 20 additions and 4 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Fri Feb 15 18:23:54 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* string.c (rb_str_sub_bang, str_gsub): allows hash for replacement.
Fri Feb 15 17:12:41 2008 Yukihiro Matsumoto <matz@ruby-lang.org>
* string.c (str_strlen): use search_nonascii() for performance.

20
string.c
View file

@ -2783,7 +2783,7 @@ get_pat(VALUE pat, int quote)
static VALUE
rb_str_sub_bang(int argc, VALUE *argv, VALUE str)
{
VALUE pat, repl, match;
VALUE pat, repl, match, hash = Qnil;
struct re_registers *regs;
int iter = 0;
int tainted = 0;
@ -2794,7 +2794,10 @@ rb_str_sub_bang(int argc, VALUE *argv, VALUE str)
}
else if (argc == 2) {
repl = argv[1];
StringValue(repl);
hash = rb_check_convert_type(argv[1], T_HASH, "Hash", "to_hash");
if (NIL_P(hash)) {
StringValue(repl);
}
if (OBJ_TAINTED(repl)) tainted = 1;
}
else {
@ -2818,6 +2821,9 @@ rb_str_sub_bang(int argc, VALUE *argv, VALUE str)
str_frozen_check(str);
rb_backref_set(match);
}
else if (!NIL_P(hash)) {
repl = rb_hash_aref(hash, rb_str_subseq(str, BEG(0), END(0) - BEG(0)));
}
else {
repl = rb_reg_regsub(repl, str, regs, pat);
}
@ -2904,7 +2910,7 @@ rb_str_sub(int argc, VALUE *argv, VALUE str)
static VALUE
str_gsub(int argc, VALUE *argv, VALUE str, int bang)
{
VALUE pat, val, repl, match, dest;
VALUE pat, val, repl, match, dest, hash = Qnil;
struct re_registers *regs;
long beg, n;
long offset, blen, slen, len;
@ -2920,7 +2926,10 @@ str_gsub(int argc, VALUE *argv, VALUE str, int bang)
break;
case 2:
repl = argv[1];
StringValue(repl);
hash = rb_check_convert_type(argv[1], T_HASH, "Hash", "to_hash");
if (NIL_P(hash)) {
StringValue(repl);
}
if (OBJ_TAINTED(repl)) tainted = 1;
break;
default:
@ -2956,6 +2965,9 @@ str_gsub(int argc, VALUE *argv, VALUE str, int bang)
}
rb_backref_set(match);
}
else if (!NIL_P(hash)) {
val = rb_hash_aref(hash, rb_str_subseq(str, BEG(0), END(0) - BEG(0)));
}
else {
val = rb_reg_regsub(repl, str, regs, pat);
}