JSCustomXPathNSResolver.cpp [plain text]
#include "config.h"
#include "JSCustomXPathNSResolver.h"
#if ENABLE(XPATH)
#include "Console.h"
#include "Document.h"
#include "ExceptionCode.h"
#include "Frame.h"
#include "JSDOMWindowCustom.h"
#include "SecurityOrigin.h"
#include <runtime/JSLock.h>
namespace WebCore {
using namespace JSC;
PassRefPtr<JSCustomXPathNSResolver> JSCustomXPathNSResolver::create(JSC::ExecState* exec, JSC::JSValue value)
{
if (value.isUndefinedOrNull())
return 0;
JSObject* resolverObject = value.getObject();
if (!resolverObject) {
setDOMException(exec, TYPE_MISMATCH_ERR);
return 0;
}
return adoptRef(new JSCustomXPathNSResolver(resolverObject, asJSDOMWindow(exec->dynamicGlobalObject())));
}
JSCustomXPathNSResolver::JSCustomXPathNSResolver(JSObject* customResolver, JSDOMWindow* globalObject)
: m_customResolver(customResolver)
, m_globalObject(globalObject)
{
}
JSCustomXPathNSResolver::~JSCustomXPathNSResolver()
{
}
String JSCustomXPathNSResolver::lookupNamespaceURI(const String& prefix)
{
ASSERT(m_customResolver);
JSLock lock(SilenceAssertionsOnly);
ExecState* exec = m_globalObject->globalExec();
JSValue function = m_customResolver->get(exec, Identifier(exec, "lookupNamespaceURI"));
CallData callData;
CallType callType = getCallData(function, callData);
if (callType == CallTypeNone) {
callType = m_customResolver->getCallData(callData);
if (callType == CallTypeNone) {
m_globalObject->impl()->console()->addMessage(JSMessageSource, LogMessageType, ErrorMessageLevel, "XPathNSResolver does not have a lookupNamespaceURI method.", 0, String());
return String();
}
function = m_customResolver;
}
RefPtr<JSCustomXPathNSResolver> selfProtector(this);
MarkedArgumentBuffer args;
args.append(jsString(exec, prefix));
m_globalObject->globalData().timeoutChecker.start();
JSValue retval = JSC::call(exec, function, callType, callData, m_customResolver, args);
m_globalObject->globalData().timeoutChecker.stop();
String result;
if (exec->hadException())
reportCurrentException(exec);
else {
if (!retval.isUndefinedOrNull())
result = ustringToString(retval.toString(exec));
}
Document::updateStyleForAllDocuments();
return result;
}
}
#endif // ENABLE(XPATH)