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xml_attribute.cc
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xml_attribute.cc
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// Copyright 2009, Squish Tech, LLC.
#include "xml_attribute.h"
namespace libxmljs {
v8::Persistent<v8::FunctionTemplate> XmlAttribute::constructor_template;
v8::Handle<v8::Value>
XmlAttribute::New(const v8::Arguments& args) {
v8::HandleScope scope;
// was created by BUILD_NODE
if (args.Length() == 1 && args[0]->StrictEquals(v8::Null()))
return scope.Close(args.This());
XmlElement *element = LibXmlObj::Unwrap<XmlElement>(args[0]->ToObject());
v8::String::Utf8Value name(args[1]->ToString());
v8::String::Utf8Value value(args[2]->ToString());
xmlAttr *elem = xmlSetProp(element->xml_obj,
(const xmlChar*)*name,
(const xmlChar*)*value);
// namespace passed in
if (args.Length() == 4 && args[3]->IsObject()) {
XmlNamespace *ns = LibXmlObj::Unwrap<XmlNamespace>(args[3]->ToObject());
assert(ns);
v8::Persistent<v8::Object> js_attr =
LXJS_GET_MAYBE_BUILD(XmlAttribute, elem);
XmlAttribute *attr = LibXmlObj::Unwrap<XmlAttribute>(js_attr);
attr->set_namespace(ns->xml_obj);
}
return LXJS_GET_MAYBE_BUILD(XmlAttribute, elem);
}
v8::Handle<v8::Value>
XmlAttribute::Name(const v8::Arguments& args) {
v8::HandleScope scope;
XmlAttribute *attr = LibXmlObj::Unwrap<XmlAttribute>(args.This());
assert(attr);
return scope.Close(attr->get_name());
}
v8::Handle<v8::Value>
XmlAttribute::Value(const v8::Arguments& args) {
v8::HandleScope scope;
XmlAttribute *attr = LibXmlObj::Unwrap<XmlAttribute>(args.This());
assert(attr);
// attr.value('new value');
if (args.Length() > 0) {
attr->set_value(*v8::String::Utf8Value(args[0]));
return scope.Close(args.This());
}
// attr.value();
return scope.Close(attr->get_value());
}
v8::Handle<v8::Value>
XmlAttribute::Node(const v8::Arguments& args) {
v8::HandleScope scope;
XmlAttribute *attr = LibXmlObj::Unwrap<XmlAttribute>(args.This());
assert(attr);
return scope.Close(attr->get_element());
}
v8::Handle<v8::Value>
XmlAttribute::get_name() {
if (xml_obj->name)
return v8::String::New((const char*)xml_obj->name,
xmlStrlen(xml_obj->name));
return v8::Null();
}
v8::Handle<v8::Value>
XmlAttribute::get_value() {
v8::HandleScope scope;
xmlChar* value = xmlNodeGetContent(xml_obj);
if (value != NULL) {
v8::Handle<v8::String> ret_value = v8::String::New((const char*)value,
xmlStrlen(value));
xmlFree(value);
return scope.Close(ret_value);
}
return v8::Null();
}
void
XmlAttribute::set_value(const char* value) {
if (xml_obj->children)
xmlFreeNodeList(xml_obj->children);
xml_obj->children = xml_obj->last = NULL;
if (value) {
xmlChar *buffer;
xmlNode *tmp;
// Encode our content
buffer = xmlEncodeEntitiesReentrant(xml_obj->doc, (const xmlChar*)value);
xml_obj->children = xmlStringGetNodeList(xml_obj->doc, buffer);
xml_obj->last = NULL;
tmp = xml_obj->children;
// Loop through the children
for (tmp = xml_obj->children; tmp; tmp = tmp->next) {
tmp->parent = reinterpret_cast<xmlNode *>(xml_obj);
tmp->doc = xml_obj->doc;
if (tmp->next == NULL) xml_obj->last = tmp;
}
// Free up memory
xmlFree(buffer);
}
}
v8::Handle<v8::Value>
XmlAttribute::get_element() {
return LXJS_GET_MAYBE_BUILD(XmlElement, xml_obj->parent);
}
void
XmlAttribute::Initialize(v8::Handle<v8::Object> target) {
v8::HandleScope scope;
v8::Local<v8::FunctionTemplate> t =
v8::FunctionTemplate::New(XmlAttribute::New);
constructor_template = v8::Persistent<v8::FunctionTemplate>::New(t);
constructor_template->Inherit(XmlNode::constructor_template);
constructor_template->InstanceTemplate()->SetInternalFieldCount(1);
LXJS_SET_PROTO_METHOD(constructor_template,
"name",
XmlAttribute::Name);
LXJS_SET_PROTO_METHOD(constructor_template,
"value",
XmlAttribute::Value);
LXJS_SET_PROTO_METHOD(constructor_template,
"node",
XmlAttribute::Node);
target->Set(v8::String::NewSymbol("Attribute"),
constructor_template->GetFunction());
}
} // namespace libxmljs