/* * Copyright (C) 2015 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. AND ITS CONTRIBUTORS ``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 ITS 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 "JSNodeFilter.h" #include "JSCallbackData.h" #include "JSDOMConvert.h" #include "JSNode.h" #include "NodeFilter.h" namespace WebCore { using namespace JSC; // FIXME: The bindings generator is currently not able to generate // callback function calls if they return something other than a // boolean. uint16_t JSNodeFilter::acceptNode(Node* node) { Ref<JSNodeFilter> protectedThis(*this); JSLockHolder lock(m_data->globalObject()->vm()); ExecState* state = m_data->globalObject()->globalExec(); MarkedArgumentBuffer args; args.append(toJS(state, m_data->globalObject(), node)); if (state->hadException()) return NodeFilter::FILTER_REJECT; NakedPtr<Exception> returnedException; JSValue value = m_data->invokeCallback(args, JSCallbackData::CallbackType::FunctionOrObject, Identifier::fromString(state, "acceptNode"), returnedException); if (returnedException) { // Rethrow exception. state->vm().throwException(state, returnedException); return NodeFilter::FILTER_REJECT; } uint16_t result = convert<uint16_t>(*state, value, NormalConversion); if (state->hadException()) return NodeFilter::FILTER_REJECT; return result; } } // namespace WebCore