Feature #836 » strscan.diff
strscan.c 2008-12-08 03:18:47.000000000 +0100 | ||
---|---|---|
}
|
||
/*
|
||
* call-seq: size
|
||
*
|
||
* Return the amount of subgroups in the most recent match.
|
||
* The full match counts as a subgroup.
|
||
*
|
||
* s = StringScanner.new("Fri Dec 12 1975 14:39")
|
||
* s.scan(/(\w+) (\w+) (\d+) /) # -> "Fri Dec 12 "
|
||
* s.size # -> 4
|
||
*/
|
||
static VALUE
|
||
strscan_size(VALUE self)
|
||
{
|
||
struct strscanner *p;
|
||
GET_SCANNER(self, p);
|
||
if (! MATCHED_P(p)) return Qnil;
|
||
return INT2FIX(p->regs.num_regs);
|
||
}
|
||
/*
|
||
* call-seq: size
|
||
*
|
||
* Returns the subgroups in the most recent match (not including the full match).
|
||
* If nothing was priorly matched, it returns nil.
|
||
*
|
||
* s = StringScanner.new("Fri Dec 12 1975 14:39")
|
||
* s.scan(/(\w+) (\w+) (\d+) /) # -> "Fri Dec 12 "
|
||
* s.captures # -> ["Fri", "Dec", "12"]
|
||
* s.scan(/(\w+) (\w+) (\d+) /) # -> nil
|
||
* s.captures # -> nil
|
||
*/
|
||
static VALUE
|
||
strscan_captures(VALUE self)
|
||
{
|
||
struct strscanner *p;
|
||
GET_SCANNER(self, p);
|
||
if (! MATCHED_P(p)) return Qnil;
|
||
|
||
int i;
|
||
int num_regs = p->regs.num_regs;
|
||
VALUE result = rb_ary_new2(num_regs);
|
||
for(i=1; i<num_regs; i++) {
|
||
rb_ary_push(
|
||
result,
|
||
extract_range(p, p->prev + p->regs.beg[i], p->prev + p->regs.end[i])
|
||
);
|
||
}
|
||
|
||
return result;
|
||
}
|
||
/*
|
||
* call-seq:
|
||
* scanner.values_at( i1, i2, ... iN ) -> an_array
|
||
*
|
||
* Returns the subgroups in the most recent match at the given indices.
|
||
* If nothing was priorly matched, it returns nil.
|
||
*
|
||
* s = StringScanner.new("Fri Dec 12 1975 14:39")
|
||
* s.scan(/(\w+) (\w+) (\d+) /) # -> "Fri Dec 12 "
|
||
* s.values_at 0, -1, 5, 2 # -> ["Fri Dec 12 ", "12", nil, "Dec"]
|
||
* s.scan(/(\w+) (\w+) (\d+) /) # -> nil
|
||
* s.captures # -> nil
|
||
*/
|
||
static VALUE
|
||
strscan_values_at(int argc, VALUE *argv, VALUE self)
|
||
{
|
||
struct strscanner *p;
|
||
GET_SCANNER(self, p);
|
||
if (! MATCHED_P(p)) return Qnil;
|
||
long i;
|
||
VALUE new_ary = rb_ary_new2(argc);
|
||
for (i=0; i<argc; i++) {
|
||
rb_ary_push(new_ary, strscan_aref(self, argv[i]));
|
||
}
|
||
return new_ary;
|
||
}
|
||
/*
|
||
* Return the <i><b>pre</b>-match</i> (in the regular expression sense) of the last scan.
|
||
*
|
||
* s = StringScanner.new('test string')
|
||
... | ... | |
rb_define_method(StringScanner, "[]", strscan_aref, 1);
|
||
rb_define_method(StringScanner, "pre_match", strscan_pre_match, 0);
|
||
rb_define_method(StringScanner, "post_match", strscan_post_match, 0);
|
||
rb_define_method(StringScanner, "size", strscan_size, 0);
|
||
rb_define_method(StringScanner, "captures", strscan_captures, 0);
|
||
rb_define_method(StringScanner, "values_at", strscan_values_at, -1);
|
||
rb_define_method(StringScanner, "rest", strscan_rest, 0);
|
||
rb_define_method(StringScanner, "rest_size", strscan_rest_size, 0);
|
- « Previous
- 1
- 2
- Next »