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* ext/strscan/strscan.c: new method StringScanner#initialize_copy to allow #dup and #clone.

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* test/strscan/test_strscan.rb: test StringScanner#dup.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5889 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
aamine 2004-03-05 11:20:12 +00:00
parent 87275504ab
commit 492dfc7c08
3 changed files with 104 additions and 1 deletions
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35
ext/strscan/strscan.c
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@ -73,10 +73,12 @@ static VALUE infect _((VALUE str, struct strscanner *p));
static VALUE extract_range _((struct strscanner *p, long beg_i, long end_i));
static VALUE extract_beg_len _((struct strscanner *p, long beg_i, long len));
void check_strscan _((VALUE obj));
static void strscan_mark _((struct strscanner *p));
static void strscan_free _((struct strscanner *p));
static VALUE strscan_s_allocate _((VALUE klass));
static VALUE strscan_initialize _((int argc, VALUE *argv, VALUE self));
static VALUE strscan_init_copy _((VALUE vself, VALUE vorig));
static VALUE strscan_s_mustc _((VALUE self));
static VALUE strscan_terminate _((VALUE self));
@ -217,6 +219,38 @@ strscan_initialize(argc, argv, self)
return self;
}
void
check_strscan(obj)
VALUE obj;
{
if (TYPE(obj) != T_DATA || RDATA(obj)->dmark != (RUBY_DATA_FUNC)strscan_mark) {
rb_raise(rb_eTypeError,
"wrong argument type %s (expected StringScanner)",
rb_obj_classname(obj));
}
}
/*
* call-seq:
* dup
* clone
*
* Duplicates a StringScanner object.
*/
static VALUE
strscan_init_copy(vself, vorig)
VALUE vself, vorig;
{
struct strscanner *self, *orig;
Data_Get_Struct(vself, struct strscanner, self);
check_strscan(vorig);
Data_Get_Struct(vorig, struct strscanner, orig);
memmove(self, orig, sizeof(struct strscanner));
return vself;
}
/* =======================================================================
Instance Methods
@ -1291,6 +1325,7 @@ Init_strscan()
rb_define_alloc_func(StringScanner, strscan_s_allocate);
rb_define_private_method(StringScanner, "initialize", strscan_initialize, -1);
rb_define_private_method(StringScanner, "initialize_copy", strscan_init_copy, 1);
rb_define_singleton_method(StringScanner, "must_C_version", strscan_s_mustc, 0);
rb_define_method(StringScanner, "reset", strscan_reset, 0);
rb_define_method(StringScanner, "terminate", strscan_terminate, 0);