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/* $Id: ruby_xml_ns.c 134 2007-08-29 17:30:19Z danj $ */
/* Please see the LICENSE file for copyright and distribution information */
#include "libxml.h"
#include "ruby_xml_ns.h"
VALUE cXMLNS;
/*
* call-seq:
* ns.href => "href"
*
* Obtain the namespace's href.
*/
VALUE
ruby_xml_ns_href_get(VALUE self) {
ruby_xml_ns *rxns;
Data_Get_Struct(self, ruby_xml_ns, rxns);
if (rxns->ns == NULL || rxns->ns->href == NULL)
return(Qnil);
else
return(rb_str_new2((const char*)rxns->ns->href));
}
/*
* call-seq:
* ns.href? => (true|false)
*
* Determine whether this namespace has an href.
*/
VALUE
ruby_xml_ns_href_q(VALUE self) {
ruby_xml_ns *rxns;
Data_Get_Struct(self, ruby_xml_ns, rxns);
if (rxns->ns == NULL || rxns->ns->href == NULL)
return(Qfalse);
else
return(Qtrue);
}
void
ruby_xml_ns_free(ruby_xml_ns *rxns) {
if (rxns->ns != NULL && !rxns->is_ptr) {
xmlFreeNs(rxns->ns);
rxns->ns = NULL;
}
free(rxns);
}
static void
ruby_xml_ns_mark(ruby_xml_ns *rxns) {
if (rxns == NULL) return;
if (!NIL_P(rxns->xd)) rb_gc_mark(rxns->xd);
}
VALUE
ruby_xml_ns_new(VALUE class, VALUE xd, xmlNsPtr ns) {
ruby_xml_ns *rxns;
rxns = ALLOC(ruby_xml_ns);
rxns->is_ptr = 0;
rxns->ns = ns;
rxns->xd = xd;
return(Data_Wrap_Struct(class, ruby_xml_ns_mark,
ruby_xml_ns_free, rxns));
}
VALUE
ruby_xml_ns_new2(VALUE class, VALUE xd, xmlNsPtr ns) {
ruby_xml_ns *rxns;
rxns = ALLOC(ruby_xml_ns);
rxns->is_ptr = 1;
rxns->ns = ns;
rxns->xd = xd;
return(Data_Wrap_Struct(class, ruby_xml_ns_mark,
ruby_xml_ns_free, rxns));
}
/*
* call-seq:
* ns.next => ns
*
* Obtain the next namespace.
*/
VALUE
ruby_xml_ns_next(VALUE self) {
ruby_xml_ns *rxns;
Data_Get_Struct(self, ruby_xml_ns, rxns);
if (rxns->ns == NULL || rxns->ns->next == NULL)
return(Qnil);
else
return(ruby_xml_ns_new2(cXMLNS, rxns->xd, rxns->ns->next));
}
/*
* call-seq:
* ns.prefix => "prefix"
* ns.to_s => "prefix"
*
* Obtain the namespace's prefix.
*/
VALUE
ruby_xml_ns_prefix_get(VALUE self) {
ruby_xml_ns *rxns;
Data_Get_Struct(self, ruby_xml_ns, rxns);
if (rxns->ns == NULL || rxns->ns->prefix == NULL)
return(Qnil);
else
return(rb_str_new2((const char*)rxns->ns->prefix));
}
/*
* call-seq:
* ns.prefix? => (true|false)
*
* Determine whether this namespace has a prefix.
*/
VALUE
ruby_xml_ns_prefix_q(VALUE self) {
ruby_xml_ns *rxns;
Data_Get_Struct(self, ruby_xml_ns, rxns);
if (rxns->ns == NULL || rxns->ns->prefix == NULL)
return(Qfalse);
else
return(Qtrue);
}
// Rdoc needs to know
#ifdef RDOC_NEVER_DEFINED
mXML = rb_define_module("XML");
#endif
void
ruby_init_xml_ns(void) {
cXMLNS = rb_define_class_under(mXML, "NS", rb_cObject);
rb_define_method(cXMLNS, "href", ruby_xml_ns_href_get, 0);
rb_define_method(cXMLNS, "href?", ruby_xml_ns_href_q, 0);
rb_define_method(cXMLNS, "next", ruby_xml_ns_next, 0);
rb_define_method(cXMLNS, "prefix", ruby_xml_ns_prefix_get, 0);
rb_define_method(cXMLNS, "prefix?", ruby_xml_ns_prefix_q, 0);
rb_define_method(cXMLNS, "to_s", ruby_xml_ns_prefix_get, 0);
}
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