EncodedJSValue JSC_HOST_CALL jsXPathEvaluatorPrototypeFunctionEvaluate(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&JSXPathEvaluator::s_info))
return throwVMTypeError(exec);
JSXPathEvaluator* castedThis = static_cast<JSXPathEvaluator*>(asObject(thisValue));
XPathEvaluator* imp = static_cast<XPathEvaluator*>(castedThis->impl());
ExceptionCode ec = 0;
const String& expression(ustringToString(exec->argument(0).toString(exec)));
if (exec->hadException())
return JSValue::encode(jsUndefined());
Node* contextNode(toNode(exec->argument(1)));
if (exec->hadException())
return JSValue::encode(jsUndefined());
RefPtr<XPathNSResolver> customResolver;
XPathNSResolver* resolver = toXPathNSResolver(exec->argument(2));
if (!resolver) {
customResolver = JSCustomXPathNSResolver::create(exec, exec->argument(2));
if (exec->hadException())
return JSValue::encode(jsUndefined());
resolver = customResolver.get();
}
unsigned short type(exec->argument(3).toUInt32(exec));
if (exec->hadException())
return JSValue::encode(jsUndefined());
XPathResult* inResult(toXPathResult(exec->argument(4)));
if (exec->hadException())
return JSValue::encode(jsUndefined());
JSC::JSValue result = toJS(exec, castedThis->globalObject(), WTF::getPtr(imp->evaluate(expression, contextNode, resolver, type, inResult, ec)));
setDOMException(exec, ec);
return JSValue::encode(result);
}
JSValue* jsXPathEvaluatorPrototypeFunctionEvaluate(ExecState* exec, JSObject*, JSValue* thisValue, const ArgList& args)
{
if (!thisValue->isObject(&JSXPathEvaluator::s_info))
return throwError(exec, TypeError);
JSXPathEvaluator* castedThisObj = static_cast<JSXPathEvaluator*>(thisValue);
XPathEvaluator* imp = static_cast<XPathEvaluator*>(castedThisObj->impl());
ExceptionCode ec = 0;
const UString& expression = args[0]->toString(exec);
Node* contextNode = toNode(args[1]);
RefPtr<XPathNSResolver> customResolver;
XPathNSResolver* resolver = toXPathNSResolver(args[2]);
if (!resolver) {
customResolver = JSCustomXPathNSResolver::create(exec, args[2]);
if (exec->hadException())
return jsUndefined();
resolver = customResolver.get();
}
unsigned short type = args[3]->toInt32(exec);
XPathResult* inResult = toXPathResult(args[4]);
KJS::JSValue* result = toJS(exec, WTF::getPtr(imp->evaluate(expression, contextNode, resolver, type, inResult, ec)));
setDOMException(exec, ec);
return result;
}
JSValue* JSXPathEvaluatorPrototypeFunction::callAsFunction(ExecState* exec, JSObject* thisObj, const List& args)
{
if (!thisObj->inherits(&JSXPathEvaluator::info))
return throwError(exec, TypeError);
JSXPathEvaluator* castedThisObj = static_cast<JSXPathEvaluator*>(thisObj);
XPathEvaluator* imp = static_cast<XPathEvaluator*>(castedThisObj->impl());
switch (id) {
case JSXPathEvaluator::CreateExpressionFuncNum: {
ExceptionCode ec = 0;
String expression = args[0]->toString(exec);
RefPtr<XPathNSResolver> customResolver;
XPathNSResolver* resolver = toXPathNSResolver(args[1]);
if (!resolver) {
customResolver = JSCustomXPathNSResolver::create(exec, args[1]);
if (exec->hadException())
return jsUndefined();
resolver = customResolver.get();
}
KJS::JSValue* result = toJS(exec, WTF::getPtr(imp->createExpression(expression, resolver, ec)));
setDOMException(exec, ec);
return result;
}
case JSXPathEvaluator::CreateNSResolverFuncNum: {
Node* nodeResolver = toNode(args[0]);
KJS::JSValue* result = toJS(exec, WTF::getPtr(imp->createNSResolver(nodeResolver)));
return result;
}
case JSXPathEvaluator::EvaluateFuncNum: {
ExceptionCode ec = 0;
String expression = args[0]->toString(exec);
Node* contextNode = toNode(args[1]);
RefPtr<XPathNSResolver> customResolver;
XPathNSResolver* resolver = toXPathNSResolver(args[2]);
if (!resolver) {
customResolver = JSCustomXPathNSResolver::create(exec, args[2]);
if (exec->hadException())
return jsUndefined();
resolver = customResolver.get();
}
unsigned short type = args[3]->toInt32(exec);
XPathResult* inResult = toXPathResult(args[4]);
KJS::JSValue* result = toJS(exec, WTF::getPtr(imp->evaluate(expression, contextNode, resolver, type, inResult, ec)));
setDOMException(exec, ec);
return result;
}
}
return 0;
}
void evaluate(const std::string &xpath, const DomDocument &document)
{
Console::write_line("Evaluating XPath '%1'", xpath);
XPathEvaluator evaluator;
XPathObject result = evaluator.evaluate(xpath, document);
switch (result.get_type())
{
case XPathObject::type_null:
Console::write_line("Result: null");
break;
case XPathObject::type_node_set:
{
std::vector<DomNode> nodes = result.get_node_set();
Console::write_line("Result: node-set (%1)", (int)nodes.size());
for (std::vector<DomNode>::size_type i = 0; i < nodes.size(); i++)
{
std::string text = nodes[i].get_node_value();
if (nodes[i].is_element())
text = nodes[i].to_element().get_text();
Console::write_line("#%1: [%2] %3", (int)i, nodes[i].get_node_name(), text);
}
}
break;
case XPathObject::type_number:
Console::write_line("Result: number (%1)", (int) result.get_number());
break;
case XPathObject::type_string:
Console::write_line("Result: string (%1)", result.get_string());
break;
case XPathObject::type_boolean:
Console::write_line("Result: boolean (%1)", result.get_boolean() ? "true" : "false");
break;
}
Console::write_line("");
}
std::vector<DomNode> DomNode::select_nodes(const DomString &xpath_expression) const
{
XPathEvaluator evaluator;
return evaluator.evaluate(xpath_expression, *this).get_node_set();
}