Viewing file:  xml_namespace.c (2.46 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
#include <xml_namespace.h>
VALUE cNokogiriXmlNamespace ;
static void dealloc_namespace(xmlNsPtr ns)
{
/*
*
* this deallocator is only used for namespace nodes that are part of an xpath
* node set.
*
* see Nokogiri_wrap_xml_namespace() for more details.
*
*/
NOKOGIRI_DEBUG_START(ns) ;
if (ns->href) {
xmlFree((xmlChar *)(uintptr_t)ns->href);
}
if (ns->prefix) {
xmlFree((xmlChar *)(uintptr_t)ns->prefix);
}
xmlFree(ns);
NOKOGIRI_DEBUG_END(ns) ;
}
/*
* call-seq:
* prefix
*
* Get the prefix for this namespace. Returns +nil+ if there is no prefix.
*/
static VALUE prefix(VALUE self)
{
xmlNsPtr ns;
Data_Get_Struct(self, xmlNs, ns);
if(!ns->prefix) return Qnil;
return NOKOGIRI_STR_NEW2(ns->prefix);
}
/*
* call-seq:
* href
*
* Get the href for this namespace
*/
static VALUE href(VALUE self)
{
xmlNsPtr ns;
Data_Get_Struct(self, xmlNs, ns);
if(!ns->href) return Qnil;
return NOKOGIRI_STR_NEW2(ns->href);
}
static int part_of_an_xpath_node_set_eh(xmlNsPtr node)
{
return (node->next && ! NOKOGIRI_NAMESPACE_EH(node->next));
}
VALUE Nokogiri_wrap_xml_namespace(xmlDocPtr doc, xmlNsPtr node)
{
VALUE ns = 0, document, node_cache;
assert(doc->type == XML_DOCUMENT_NODE || doc->type == XML_HTML_DOCUMENT_NODE);
if (node->_private) return (VALUE)node->_private;
if (doc->type == XML_DOCUMENT_FRAG_NODE) doc = doc->doc;
if (DOC_RUBY_OBJECT_TEST(doc)) {
document = DOC_RUBY_OBJECT(doc);
if (part_of_an_xpath_node_set_eh(node)) {
/*
* this is a duplicate returned as part of an xpath query node set, and so
* we need to make sure we manage this memory.
*
* see comments in xml_node_set.c for more details.
*/
ns = Data_Wrap_Struct(cNokogiriXmlNamespace, 0, dealloc_namespace, node);
} else {
ns = Data_Wrap_Struct(cNokogiriXmlNamespace, 0, 0, node);
node_cache = rb_iv_get(document, "@node_cache");
rb_ary_push(node_cache, ns);
}
rb_iv_set(ns, "@document", document);
} else {
ns = Data_Wrap_Struct(cNokogiriXmlNamespace, 0, 0, node);
}
node->_private = (void *)ns;
return ns;
}
void init_xml_namespace()
{
VALUE nokogiri = rb_define_module("Nokogiri");
VALUE xml = rb_define_module_under(nokogiri, "XML");
VALUE klass = rb_define_class_under(xml, "Namespace", rb_cObject);
cNokogiriXmlNamespace = klass;
rb_define_method(klass, "prefix", prefix, 0);
rb_define_method(klass, "href", href, 0);
}
|