1/* 2 * Copyright (C) 2007, 2013 Alexey Proskuryakov (ap@nypop.com) 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "JSCustomXPathNSResolver.h" 28 29#include "Document.h" 30#include "ExceptionCode.h" 31#include "Frame.h" 32#include "JSDOMWindowCustom.h" 33#include "JSMainThreadExecState.h" 34#include "Page.h" 35#include "PageConsole.h" 36#include "SecurityOrigin.h" 37#include <runtime/JSLock.h> 38#include <wtf/Ref.h> 39 40namespace WebCore { 41 42using namespace JSC; 43 44PassRefPtr<JSCustomXPathNSResolver> JSCustomXPathNSResolver::create(ExecState* exec, JSValue value) 45{ 46 if (value.isUndefinedOrNull()) 47 return 0; 48 49 JSObject* resolverObject = value.getObject(); 50 if (!resolverObject) { 51 setDOMException(exec, TYPE_MISMATCH_ERR); 52 return 0; 53 } 54 55 return adoptRef(new JSCustomXPathNSResolver(exec, resolverObject, asJSDOMWindow(exec->vmEntryGlobalObject()))); 56} 57 58JSCustomXPathNSResolver::JSCustomXPathNSResolver(ExecState* exec, JSObject* customResolver, JSDOMWindow* globalObject) 59 : m_customResolver(exec->vm(), customResolver) 60 , m_globalObject(exec->vm(), globalObject) 61{ 62} 63 64JSCustomXPathNSResolver::~JSCustomXPathNSResolver() 65{ 66} 67 68String JSCustomXPathNSResolver::lookupNamespaceURI(const String& prefix) 69{ 70 ASSERT(m_customResolver); 71 72 JSLockHolder lock(JSDOMWindowBase::commonVM()); 73 74 ExecState* exec = m_globalObject->globalExec(); 75 76 JSValue function = m_customResolver->get(exec, Identifier(exec, "lookupNamespaceURI")); 77 CallData callData; 78 CallType callType = getCallData(function, callData); 79 if (callType == CallTypeNone) { 80 callType = m_customResolver->methodTable()->getCallData(m_customResolver.get(), callData); 81 if (callType == CallTypeNone) { 82 // FIXME: <http://webkit.org/b/114312> JSCustomXPathNSResolver::lookupNamespaceURI Console Message should include Line, Column, and SourceURL 83 if (PageConsole* console = m_globalObject->impl().pageConsole()) 84 console->addMessage(MessageSource::JS, MessageLevel::Error, ASCIILiteral("XPathNSResolver does not have a lookupNamespaceURI method.")); 85 return String(); 86 } 87 function = m_customResolver.get(); 88 } 89 90 Ref<JSCustomXPathNSResolver> selfProtector(*this); 91 92 MarkedArgumentBuffer args; 93 args.append(jsStringWithCache(exec, prefix)); 94 95 JSValue exception; 96 JSValue retval = JSMainThreadExecState::call(exec, function, callType, callData, m_customResolver.get(), args, &exception); 97 98 String result; 99 if (exception) 100 reportException(exec, exception); 101 else { 102 if (!retval.isUndefinedOrNull()) 103 result = retval.toString(exec)->value(exec); 104 } 105 106 return result; 107} 108 109} // namespace WebCore 110