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* re.c (rb_reg_search): return byte offset. [ruby-dev:32452]

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* re.c (rb_reg_match, rb_reg_match2, rb_reg_match_m): convert byte
  offset to char index.

* string.c (rb_str_index): return byte offset.  [ruby-dev:32472]

* string.c (rb_str_split_m): calculate in byte offset.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14171 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2007-12-10 04:50:35 +00:00
parent eaba0fc94a
commit 38a24d73c8
3 changed files with 54 additions and 29 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
Mon Dec 10 13:50:33 2007 Nobuyoshi Nakada <nobu@ruby-lang.org>
* re.c (rb_reg_search): return byte offset. [ruby-dev:32452]
* re.c (rb_reg_match, rb_reg_match2, rb_reg_match_m): convert byte
offset to char index.
* string.c (rb_str_index): return byte offset. [ruby-dev:32472]
* string.c (rb_str_split_m): calculate in byte offset.
Mon Dec 10 09:56:29 2007 Koichi Sasada <ko1@atdot.net>
* benchmark/bm_vm1_neq.rb, bm_vm1_not.rb: added.

24
re.c
View file

@ -1070,7 +1070,7 @@ rb_reg_search(VALUE re, VALUE str, int pos, int reverse)
OBJ_INFECT(match, re);
OBJ_INFECT(match, str);
return rb_str_sublen(RMATCH(match)->str, result);
return result;
}
VALUE
@ -2123,28 +2123,24 @@ reg_operand(VALUE s, int check)
}
}
static VALUE
static long
rb_reg_match_pos(VALUE re, VALUE str, long pos)
{
if (NIL_P(str)) {
rb_backref_set(Qnil);
return Qnil;
return -1;
}
str = reg_operand(str, Qtrue);
if (pos != 0) {
if (pos < 0) {
pos += RSTRING_LEN(str);
if (pos < 0) {
return Qnil;
return pos;
}
}
pos = rb_reg_adjust_startpos(re, str, pos, 0);
}
pos = rb_reg_search(re, str, pos, 0);
if (pos < 0) {
return Qnil;
}
return LONG2FIX(pos);
return rb_reg_search(re, str, pos, 0);
}
/*
@ -2160,7 +2156,10 @@ rb_reg_match_pos(VALUE re, VALUE str, long pos)
VALUE
rb_reg_match(VALUE re, VALUE str)
{
return rb_reg_match_pos(re, str, 0);
long pos = rb_reg_match_pos(re, str, 0);
if (pos < 0) return Qnil;
pos = rb_str_sublen(str, pos);
return LONG2FIX(pos);
}
/*
@ -2225,6 +2224,7 @@ rb_reg_match2(VALUE re)
if (start < 0) {
return Qnil;
}
start = rb_str_sublen(line, start);
return LONG2FIX(start);
}
@ -2270,8 +2270,8 @@ rb_reg_match_m(int argc, VALUE *argv, VALUE re)
pos = 0;
}
result = rb_reg_match_pos(re, str, pos);
if (NIL_P(result)) {
pos = rb_reg_match_pos(re, str, pos);
if (pos < 0) {
rb_backref_set(Qnil);
return Qnil;
}

46
string.c
View file

@ -1412,7 +1412,7 @@ static long
rb_str_index(VALUE str, VALUE sub, long offset)
{
long pos;
char *s;
char *s, *sptr;
long len, slen;
rb_encoding *enc;
@ -1424,12 +1424,27 @@ rb_str_index(VALUE str, VALUE sub, long offset)
if (offset < 0) return -1;
}
if (len - offset < slen) return -1;
s = RSTRING_PTR(str);
if (offset) {
s = str_nth(s, RSTRING_END(str), offset, enc);
offset = s - RSTRING_PTR(str);
}
if (slen == 0) return offset;
s = offset ? str_nth(RSTRING_PTR(str), RSTRING_END(str), offset, enc) : RSTRING_PTR(str);
/* need proceed one character at a time */
pos = rb_memsearch(RSTRING_PTR(sub), RSTRING_LEN(sub),
s, RSTRING_LEN(str)-(s - RSTRING_PTR(str)));
sptr = RSTRING_PTR(sub);
slen = RSTRING_LEN(sub);
len = RSTRING_LEN(str) - offset;
for (;;) {
char *t;
pos = rb_memsearch(sptr, slen, s, len);
if (pos < 0) return pos;
t = (char *)onigenc_get_right_adjust_char_head(enc, (const UChar *)s,
(const UChar *)s + pos);
if (t == s) break;
if ((len -= t - s) <= 0) return -1;
offset += t - s;
s = t;
}
return pos + offset;
}
@ -4024,34 +4039,35 @@ rb_str_split_m(int argc, VALUE *argv, VALUE str)
if (awk_split) {
char *ptr = RSTRING_PTR(str);
char *eptr = RSTRING_END(str);
char *bptr = ptr;
int skip = 1;
int c;
end = beg;
while (ptr < eptr) {
c = rb_enc_codepoint(ptr, eptr, enc);
ptr += rb_enc_mbclen(ptr, eptr, enc);
if (skip) {
if (rb_enc_isspace(c, enc)) {
beg++;
beg = ptr - bptr;
}
else {
end = beg+1;
end = ptr - bptr;
skip = 0;
if (!NIL_P(limit) && lim <= i) break;
}
}
else {
if (rb_enc_isspace(c, enc)) {
rb_ary_push(result, rb_str_substr(str, beg, end-beg));
rb_ary_push(result, rb_str_subseq(str, beg, end-beg));
skip = 1;
beg = end + 1;
beg = ptr - bptr;
if (!NIL_P(limit)) ++i;
}
else {
end++;
end = ptr - bptr;
}
}
ptr += rb_enc_codelen(c, enc);
}
}
else {
@ -5114,14 +5130,13 @@ rb_str_partition(VALUE str, VALUE sep)
failed:
return rb_ary_new3(3, str, rb_str_new(0,0),rb_str_new(0,0));
}
pos = rb_str_sublen(str, pos);
if (regex) {
sep = rb_str_subpat(str, sep, 0);
if (pos == 0 && RSTRING_LEN(sep) == 0) goto failed;
}
return rb_ary_new3(3, rb_str_substr(str, 0, pos),
return rb_ary_new3(3, rb_str_subseq(str, 0, pos),
sep,
rb_str_substr(str, pos+RSTRING_LEN(sep),
rb_str_subseq(str, pos+RSTRING_LEN(sep),
RSTRING_LEN(str)-pos-RSTRING_LEN(sep)));
}
@ -5162,13 +5177,12 @@ rb_str_rpartition(VALUE str, VALUE sep)
if (pos < 0) {
return rb_ary_new3(3, rb_str_new(0,0),rb_str_new(0,0), str);
}
pos = rb_str_sublen(str, pos);
if (regex) {
sep = rb_reg_nth_match(0, rb_backref_get());
}
return rb_ary_new3(3, rb_str_substr(str, 0, pos),
return rb_ary_new3(3, rb_str_subseq(str, 0, pos),
sep,
rb_str_substr(str, pos+RSTRING_LEN(sep),
rb_str_subseq(str, pos+RSTRING_LEN(sep),
RSTRING_LEN(str)-pos-RSTRING_LEN(sep)));
}