1/* 2 * Copyright (C) 2008 Apple Inc. All rights reserved. 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 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include "config.h" 30#include "ArchiveFactory.h" 31 32#include "MIMETypeRegistry.h" 33#include "PlatformString.h" 34 35#if USE(CF) && !PLATFORM(QT) 36#include "LegacyWebArchive.h" 37#elif PLATFORM(ANDROID) 38#include "WebArchiveAndroid.h" 39#endif 40 41#include <wtf/HashMap.h> 42#include <wtf/HashSet.h> 43#include <wtf/StdLibExtras.h> 44 45namespace WebCore { 46 47typedef PassRefPtr<Archive> RawDataCreationFunction(SharedBuffer*); 48typedef HashMap<String, RawDataCreationFunction*, CaseFoldingHash> ArchiveMIMETypesMap; 49 50// The create functions in the archive classes return PassRefPtr to concrete subclasses 51// of Archive. This adaptor makes the functions have a uniform return type. 52template <typename ArchiveClass> static PassRefPtr<Archive> archiveFactoryCreate(SharedBuffer* buffer) 53{ 54 return ArchiveClass::create(buffer); 55} 56 57static ArchiveMIMETypesMap& archiveMIMETypes() 58{ 59 DEFINE_STATIC_LOCAL(ArchiveMIMETypesMap, mimeTypes, ()); 60 static bool initialized = false; 61 62 if (initialized) 63 return mimeTypes; 64 65#if USE(CF) 66 mimeTypes.set("application/x-webarchive", archiveFactoryCreate<LegacyWebArchive>); 67#elif PLATFORM(ANDROID) 68 mimeTypes.set("application/x-webarchive-xml", archiveFactoryCreate<WebArchiveAndroid>); 69#endif 70 71 initialized = true; 72 return mimeTypes; 73} 74 75bool ArchiveFactory::isArchiveMimeType(const String& mimeType) 76{ 77 return !mimeType.isEmpty() && archiveMIMETypes().contains(mimeType); 78} 79 80PassRefPtr<Archive> ArchiveFactory::create(SharedBuffer* data, const String& mimeType) 81{ 82 RawDataCreationFunction* function = mimeType.isEmpty() ? 0 : archiveMIMETypes().get(mimeType); 83 return function ? function(data) : 0; 84} 85 86void ArchiveFactory::registerKnownArchiveMIMETypes() 87{ 88 HashSet<String>& mimeTypes = MIMETypeRegistry::getSupportedNonImageMIMETypes(); 89 ArchiveMIMETypesMap::iterator i = archiveMIMETypes().begin(); 90 ArchiveMIMETypesMap::iterator end = archiveMIMETypes().end(); 91 92 for (; i != end; ++i) 93 mimeTypes.add(i->first); 94} 95 96} 97