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/**
* @file
* @author 2012-2013 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#include "JSCDocument.h"
#include "JSCStorage.h"
#include "JSCXPathResult.h"
#include "JSCNode.h"
#include <XPath/XPath.hpp>
namespace Arabica {
namespace DOM {
JSValueRef JSCDocument::localStorageCustomAttrGetter(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception) {
struct JSCDocumentPrivate* privData = (struct JSCDocumentPrivate*)JSObjectGetPrivate(object);
if (!privData->dom->storage) {
return JSValueMakeUndefined(ctx);
}
JSClassRef retClass = JSCStorage::getTmpl();
struct JSCStorage::JSCStoragePrivate* retPrivData = new JSCStorage::JSCStoragePrivate();
retPrivData->dom = privData->dom;
retPrivData->nativeObj = retPrivData->dom->storage;
JSObjectRef arbaicaRetObj = JSObjectMake(ctx, retClass, retPrivData);
return arbaicaRetObj;
}
JSValueRef JSCDocument::evaluateCustomCallback(JSContextRef ctx, JSObjectRef function, JSObjectRef object, size_t argumentCount, const JSValueRef* arguments, JSValueRef* exception) {
struct JSCDocumentPrivate* privData = (struct JSCDocumentPrivate*)JSObjectGetPrivate(object);
if (!privData->dom || !privData->dom->xpath) return JSValueMakeUndefined(ctx);
if (argumentCount < 1) {
std::string errorMsg = "Wrong number of arguments in evaluate";
JSStringRef string = JSStringCreateWithUTF8CString(errorMsg.c_str());
JSValueRef exceptionString = JSValueMakeString(ctx, string);
JSStringRelease(string);
*exception = JSValueToObject(ctx, exceptionString, NULL);
return JSValueMakeUndefined(ctx);
}
// make sure first argument is a string
if (!JSValueIsString(ctx, arguments[0])) {
std::string errorMsg = "Expected xpath expression as first argument";
JSStringRef string = JSStringCreateWithUTF8CString(errorMsg.c_str());
JSValueRef exceptionString = JSValueMakeString(ctx, string);
JSStringRelease(string);
*exception = JSValueToObject(ctx, exceptionString, NULL);
return JSValueMakeUndefined(ctx);
}
JSStringRef stringReflocalXPath = JSValueToStringCopy(ctx, arguments[0], NULL);
size_t localXPathMaxSize = JSStringGetMaximumUTF8CStringSize(stringReflocalXPath);
char* localXPathBuffer = new char[localXPathMaxSize];
JSStringGetUTF8CString(stringReflocalXPath, localXPathBuffer, localXPathMaxSize);
std::string localXPath(localXPathBuffer);
JSStringRelease(stringReflocalXPath);
free(localXPathBuffer);
JSClassRef arbaicaRetClass = JSCXPathResult::getTmpl();
XPath::XPathValue<std::string>* retVal;
try {
if (argumentCount > 1) {
// make sure second argument is a node
if (!JSValueIsObject(ctx, arguments[1])) {
std::string errorMsg = "Second argument is not of type node";
JSStringRef string = JSStringCreateWithUTF8CString(errorMsg.c_str());
JSValueRef exceptionString = JSValueMakeString(ctx, string);
JSStringRelease(string);
*exception = JSValueToObject(ctx, exceptionString, NULL);
return JSValueMakeUndefined(ctx);
}
Arabica::DOM::Node<std::string>* localContextNode = (Arabica::DOM::Node<std::string>*)JSObjectGetPrivate(JSValueToObject(ctx, arguments[1], NULL));
retVal = new XPath::XPathValue<std::string>(privData->dom->xpath->evaluate(localXPath, *localContextNode));
} else {
retVal = new XPath::XPathValue<std::string>(privData->dom->xpath->evaluate(localXPath, *privData->nativeObj));
}
} catch (std::runtime_error e) {
std::cout << e.what() << std::endl;
return JSValueMakeUndefined(ctx);
}
struct JSCXPathResult::JSCXPathResultPrivate* retPrivData = new JSCXPathResult::JSCXPathResultPrivate();
retPrivData->dom = privData->dom;
retPrivData->nativeObj = retVal;
JSObjectRef arbaicaRetObj = JSObjectMake(ctx, arbaicaRetClass, retPrivData);
return arbaicaRetObj;
#if 0
if (args.Length() < 1)
throw V8Exception("Wrong number of arguments in evaluate");
// if (!((V8Node::hasInstance(args[1])) && (V8XPathResult::hasInstance(args[3]))))
// throw V8Exception("Parameter mismatch while calling evaluate");
v8::Local<v8::Object> self = args.Holder();
V8DocumentPrivate* privData = V8DOM::toClassPtr<V8DocumentPrivate >(self->GetInternalField(0));
v8::String::AsciiValue localExpression(args[0]);
XPath::XPathValue<std::string>* retVal;
if (args.Length() > 1) {
Arabica::DOM::Node<std::string>* localContextNode = V8DOM::toClassPtr<Arabica::DOM::Node<std::string> >(args[1]->ToObject()->GetInternalField(0));
retVal = new XPath::XPathValue<std::string>(privData->dom->xpath->evaluate(*localExpression, *localContextNode));
} else {
retVal = new XPath::XPathValue<std::string>(privData->dom->xpath->evaluate(*localExpression, *privData->nativeObj));
}
v8::Handle<v8::Function> retCtor = V8XPathResult::getTmpl()->GetFunction();
v8::Persistent<v8::Object> retObj = v8::Persistent<v8::Object>::New(retCtor->NewInstance());
V8XPathResult::V8XPathResultPrivate* retPrivData = new V8XPathResult::V8XPathResultPrivate();
retPrivData->dom = privData->dom;
retPrivData->nativeObj = retVal;
retObj->SetInternalField(0, V8DOM::toExternal(retPrivData));
retObj.MakeWeak(0, V8XPathResult::jsDestructor);
return retObj;
#endif
}
}
}
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