blob: df562d058bf1730aa550efcc987b5f5432383993 [file] [log] [blame]
/*
* Copyright (C) 2007, 2013 Alexey Proskuryakov (ap@nypop.com)
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JSCustomXPathNSResolver.h"
#include "CommonVM.h"
#include "DOMWindow.h"
#include "Document.h"
#include "Frame.h"
#include "JSDOMExceptionHandling.h"
#include "JSDOMWindowCustom.h"
#include "JSExecState.h"
#include "Page.h"
#include "PageConsoleClient.h"
#include <JavaScriptCore/JSLock.h>
#include <wtf/Ref.h>
namespace WebCore {
using namespace JSC;
ExceptionOr<Ref<JSCustomXPathNSResolver>> JSCustomXPathNSResolver::create(JSGlobalObject& lexicalGlobalObject, JSValue value)
{
if (value.isUndefinedOrNull())
return Exception { TypeError };
auto* resolverObject = value.getObject();
if (!resolverObject)
return Exception { TypeMismatchError };
VM& vm = lexicalGlobalObject.vm();
return adoptRef(*new JSCustomXPathNSResolver(vm, resolverObject, asJSDOMWindow(&lexicalGlobalObject)));
}
JSCustomXPathNSResolver::JSCustomXPathNSResolver(VM& vm, JSObject* customResolver, JSDOMWindow* globalObject)
: m_customResolver(vm, customResolver)
, m_globalObject(vm, globalObject)
{
}
JSCustomXPathNSResolver::~JSCustomXPathNSResolver() = default;
String JSCustomXPathNSResolver::lookupNamespaceURI(const String& prefix)
{
ASSERT(m_customResolver);
JSLockHolder lock(commonVM());
JSGlobalObject* lexicalGlobalObject = m_globalObject.get();
VM& vm = lexicalGlobalObject->vm();
JSValue function = m_customResolver->get(lexicalGlobalObject, Identifier::fromString(vm, "lookupNamespaceURI"));
auto callData = getCallData(vm, function);
if (callData.type == CallData::Type::None) {
callData = getCallData(vm, m_customResolver.get());
if (callData.type == CallData::Type::None) {
if (PageConsoleClient* console = m_globalObject->wrapped().console())
console->addMessage(MessageSource::JS, MessageLevel::Error, "XPathNSResolver does not have a lookupNamespaceURI method."_s);
return String();
}
function = m_customResolver.get();
}
Ref<JSCustomXPathNSResolver> protectedThis(*this);
MarkedArgumentBuffer args;
args.append(jsStringWithCache(lexicalGlobalObject, prefix));
ASSERT(!args.hasOverflowed());
NakedPtr<JSC::Exception> exception;
JSValue retval = JSExecState::call(lexicalGlobalObject, function, callData, m_customResolver.get(), args, exception);
String result;
if (exception)
reportException(lexicalGlobalObject, exception);
else {
if (!retval.isUndefinedOrNull())
result = retval.toWTFString(lexicalGlobalObject);
}
return result;
}
} // namespace WebCore