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#ifdef _WIN32
#include <winsock2.h>
#include <windows.h>
#endif
#include "V8SCXMLDOM.h"
#define ASSERT_ARGS1(args, type1) \
assert(args.Length() == 1); \
assert(args[0]->type1());
#define ASSERT_ARGS2(args, type1, type2) \
assert(args.Length() == 2); \
assert(args[0]->type1()); \
assert(args[1]->type2());
namespace uscxml {
using namespace Arabica::DOM;
using namespace Arabica::XPath;
V8SCXMLDOM::V8SCXMLDOM() {
}
v8::Handle<v8::ObjectTemplate> V8SCXMLDOM::getDocument(Arabica::DOM::Document<std::string>& document) {
v8::Handle<v8::ObjectTemplate> documentTmpl = v8::ObjectTemplate::New();
documentTmpl->Set(v8::String::New("createElement"), v8::FunctionTemplate::New(jsDocumentCreateElement, v8::External::New(reinterpret_cast<void*>(&document))));
documentTmpl->Set(v8::String::New("evaluate"), v8::FunctionTemplate::New(jsDocumentEvaluate, v8::External::New(reinterpret_cast<void*>(&document))));
return documentTmpl;
}
v8::Handle<v8::Value> V8SCXMLDOM::jsDocumentCreateElement(const v8::Arguments& args) {
assert(!args.Data().IsEmpty());
assert(args.Data()->IsExternal());
ASSERT_ARGS1(args, IsString)
Document<std::string>* document = static_cast<Document<std::string>*>(v8::External::Unwrap(args.Data()));
v8::Persistent<v8::Object> elementJS = v8::Persistent<v8::Object>::New(getElementTmpl()->NewInstance());
v8::String::AsciiValue tagName(args[0]);
Element<std::string>* element = new Element<std::string>(document->createElement(*tagName));
elementJS->SetInternalField(0, v8::External::New(element));
elementJS.MakeWeak(NULL, jsElementDestructor);
return elementJS;
}
v8::Handle<v8::Value> V8SCXMLDOM::jsDocumentEvaluate(const v8::Arguments& args) {
assert(!args.Data().IsEmpty());
assert(args.Data()->IsExternal());
assert(args.Length() > 0);
assert(args[0]->IsString());
Document<std::string>* document = static_cast<Document<std::string>*>(v8::External::Unwrap(args.Data()));
Node<std::string> context;
if (args.Length() > 1) {
assert(args[1]->ToObject()->InternalFieldCount() == 1);
context = *static_cast<Node<std::string>*>(v8::Local<v8::External>::Cast(args[1]->ToObject()->GetInternalField(0))->Value());
} else {
context = *document;
}
v8::String::AsciiValue xpathExpr(args[0]);
XPath<std::string> xpath;
XPathValue<std::string>* xpathValue = new XPathValue<std::string>(xpath.evaluate(*xpathExpr, context));
v8::Persistent<v8::Object> xpathValueJS = v8::Persistent<v8::Object>::New(getXPathValueTmpl()->NewInstance());
xpathValueJS->SetInternalField(0, v8::External::New(xpathValue));
xpathValueJS.MakeWeak(NULL, jsXPathValueDestructor);
return xpathValueJS;
}
v8::Handle<v8::Value> V8SCXMLDOM::jsElementTagName(v8::Local<v8::String> property, const v8::AccessorInfo &info) {
Element<std::string>* element = static_cast<Element<std::string>*>(v8::Local<v8::External>::Cast(info.Holder()->GetInternalField(0))->Value());
return v8::String::New(element->getTagName().c_str());
}
v8::Handle<v8::Value> V8SCXMLDOM::jsElementGetAttribute(const v8::Arguments& args) {
assert(!args.Data().IsEmpty());
assert(args.Data()->IsExternal());
ASSERT_ARGS1(args, IsString);
Element<std::string>* element = static_cast<Element<std::string>*>(v8::External::Unwrap(args.Data()));
v8::String::AsciiValue attribute(args[0]);
if (element->hasAttribute(*attribute)) {
return v8::String::New(element->getAttribute(*attribute).c_str());
}
return v8::String::New("");
}
v8::Handle<v8::Value> V8SCXMLDOM::jsElementSetAttribute(const v8::Arguments& args) {
v8::Local<v8::Object> self = args.Holder();
assert(self->InternalFieldCount() == 1);
ASSERT_ARGS2(args, IsString, IsString);
v8::String::AsciiValue attribute(args[0]);
v8::String::AsciiValue value(args[1]);
Element<std::string>* element = static_cast<Element<std::string>*>(v8::External::Unwrap(self->GetInternalField(0)));
element->setAttribute(*attribute, *value);
return v8::Undefined();
}
v8::Handle<v8::Value> V8SCXMLDOM::jsXPathValueAsNodeSet(const v8::Arguments& args) {
v8::Local<v8::Object> self = args.Holder();
assert(self->InternalFieldCount() == 1);
XPathValue<std::string>* xPathValue = static_cast<XPathValue<std::string>*>(v8::External::Unwrap(self->GetInternalField(0)));
v8::Persistent<v8::Object> nodeSetJS = v8::Persistent<v8::Object>::New(getNodeSetTmpl()->NewInstance());
nodeSetJS->SetInternalField(0, v8::External::New(new NodeSet<std::string>(xPathValue->asNodeSet())));
nodeSetJS.MakeWeak(NULL, jsNodeSetDestructor);
return nodeSetJS;
}
void V8SCXMLDOM::jsNodeSetDestructor(v8::Persistent<v8::Value> object, void* data) {
NodeSet<std::string>* nodeSet = static_cast<NodeSet<std::string>*>(v8::Local<v8::External>::Cast(object->ToObject()->GetInternalField(0))->Value());
delete nodeSet;
}
void V8SCXMLDOM::jsNodeDestructor(v8::Persistent<v8::Value> object, void* data) {
Node<std::string>* node = static_cast<Node<std::string>*>(v8::Local<v8::External>::Cast(object->ToObject()->GetInternalField(0))->Value());
delete node;
}
void V8SCXMLDOM::jsXPathValueDestructor(v8::Persistent<v8::Value> object, void* data) {
XPathValue<std::string>* xPathValue = static_cast<XPathValue<std::string>*>(v8::Local<v8::External>::Cast(object->ToObject()->GetInternalField(0))->Value());
delete xPathValue;
}
void V8SCXMLDOM::jsElementDestructor(v8::Persistent<v8::Value> object, void* data) {
Element<std::string>* element = static_cast<Element<std::string>*>(v8::Local<v8::External>::Cast(object->ToObject()->GetInternalField(0))->Value());
delete element;
}
v8::Handle<v8::Value> V8SCXMLDOM::jsNodeSetGetIndex(uint32_t index, const v8::AccessorInfo &info) {
v8::Local<v8::Object> self = info.Holder();
assert(self->InternalFieldCount() == 1);
NodeSet<std::string>* nodeSet = static_cast<NodeSet<std::string>*>(v8::Local<v8::External>::Cast(info.Holder()->GetInternalField(0))->Value());
if (nodeSet->size() >= index) {
Node<std::string>* node = new Node<std::string>((*nodeSet)[index]);
v8::Persistent<v8::Object> nodeJS = v8::Persistent<v8::Object>::New(getNodeTmpl()->NewInstance());
nodeJS->SetInternalField(0, v8::External::New(node));
nodeJS.MakeWeak(NULL, jsNodeDestructor);
return nodeJS;
}
return v8::Undefined();
}
v8::Handle<v8::Value> V8SCXMLDOM::jsNodeSetLength(const v8::Arguments& args) {
v8::Local<v8::Object> self = args.Holder();
assert(self->InternalFieldCount() == 1);
NodeSet<std::string>* nodeSet = static_cast<NodeSet<std::string>*>(v8::External::Unwrap(self->GetInternalField(0)));
return v8::Integer::New(nodeSet->size());
}
v8::Handle<v8::Value> V8SCXMLDOM::jsNodeAppendChild(const v8::Arguments& args) {
v8::Local<v8::Object> self = args.Holder();
assert(self->InternalFieldCount() == 1);
Node<std::string>* node = static_cast<Node<std::string>*>(v8::External::Unwrap(self->GetInternalField(0)));
assert(args.Length() == 1);
assert(args[0]->IsObject());
Node<std::string>* childToAppend = static_cast<Node<std::string>*>(v8::External::Unwrap(args[0]->ToObject()->GetInternalField(0)));
node->appendChild(*childToAppend);
return v8::Undefined();
}
v8::Handle<v8::ObjectTemplate> V8SCXMLDOM::xPathValueTmpl;
v8::Handle<v8::ObjectTemplate> V8SCXMLDOM::getXPathValueTmpl() {
if (xPathValueTmpl.IsEmpty()) {
xPathValueTmpl = v8::ObjectTemplate::New();
xPathValueTmpl->SetInternalFieldCount(1);
xPathValueTmpl->Set(v8::String::New("asNodeSet"), v8::FunctionTemplate::New(jsXPathValueAsNodeSet));
}
return xPathValueTmpl;
}
v8::Handle<v8::ObjectTemplate> V8SCXMLDOM::nodeSetTmpl;
v8::Handle<v8::ObjectTemplate> V8SCXMLDOM::getNodeSetTmpl() {
if (nodeSetTmpl.IsEmpty()) {
nodeSetTmpl = v8::ObjectTemplate::New();
nodeSetTmpl->SetInternalFieldCount(1);
nodeSetTmpl->SetIndexedPropertyHandler(jsNodeSetGetIndex);
nodeSetTmpl->Set(v8::String::New("length"), v8::FunctionTemplate::New(jsNodeSetLength));
}
return nodeSetTmpl;
}
v8::Handle<v8::ObjectTemplate> V8SCXMLDOM::nodeTmpl;
v8::Handle<v8::ObjectTemplate> V8SCXMLDOM::getNodeTmpl() {
if (nodeTmpl.IsEmpty()) {
nodeTmpl = v8::ObjectTemplate::New();
nodeTmpl->SetInternalFieldCount(1);
nodeTmpl->Set(v8::String::New("appendChild"), v8::FunctionTemplate::New(jsNodeAppendChild));
}
return nodeTmpl;
}
v8::Handle<v8::ObjectTemplate> V8SCXMLDOM::elementTmpl;
v8::Handle<v8::ObjectTemplate> V8SCXMLDOM::getElementTmpl() {
if (elementTmpl.IsEmpty()) {
elementTmpl = v8::ObjectTemplate::New();
elementTmpl->SetAccessor(v8::String::New("tagName"), V8SCXMLDOM::jsElementTagName);
elementTmpl->Set(v8::String::New("getAttribute"), v8::FunctionTemplate::New(jsElementGetAttribute));
elementTmpl->Set(v8::String::New("setAttribute"), v8::FunctionTemplate::New(jsElementSetAttribute));
elementTmpl->SetInternalFieldCount(1);
}
return elementTmpl;
}
}
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