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 PLATFORM(CF) && !PLATFORM(QT) 36 #include "LegacyWebArchive.h" 37 #endif 38 39 #include <wtf/HashMap.h> 40 #include <wtf/HashSet.h> 41 #include <wtf/StdLibExtras.h> 42 43 namespace WebCore { 44 45 typedef PassRefPtr<Archive> RawDataCreationFunction(SharedBuffer*); 46 typedef HashMap<String, RawDataCreationFunction*, CaseFoldingHash> ArchiveMIMETypesMap; 47 48 // The create functions in the archive classes return PassRefPtr to concrete subclasses 49 // of Archive. This adaptor makes the functions have a uniform return type. 50 template <typename ArchiveClass> static PassRefPtr<Archive> archiveFactoryCreate(SharedBuffer* buffer) 51 { 52 return ArchiveClass::create(buffer); 53 } 54 55 static ArchiveMIMETypesMap& archiveMIMETypes() 56 { 57 DEFINE_STATIC_LOCAL(ArchiveMIMETypesMap, mimeTypes, ()); 58 static bool initialized = false; 59 60 if (initialized) 61 return mimeTypes; 62 63 #if PLATFORM(CF) && !PLATFORM(QT) 64 mimeTypes.set("application/x-webarchive", archiveFactoryCreate<LegacyWebArchive>); 65 #endif 66 67 initialized = true; 68 return mimeTypes; 69 } 70 71 bool ArchiveFactory::isArchiveMimeType(const String& mimeType) 72 { 73 return archiveMIMETypes().contains(mimeType); 74 } 75 76 PassRefPtr<Archive> ArchiveFactory::create(SharedBuffer* data, const String& mimeType) 77 { 78 RawDataCreationFunction* function = archiveMIMETypes().get(mimeType); 79 return function ? function(data) : 0; 80 } 81 82 void ArchiveFactory::registerKnownArchiveMIMETypes() 83 { 84 HashSet<String>& mimeTypes = MIMETypeRegistry::getSupportedNonImageMIMETypes(); 85 ArchiveMIMETypesMap::iterator i = archiveMIMETypes().begin(); 86 ArchiveMIMETypesMap::iterator end = archiveMIMETypes().end(); 87 88 for (; i != end; ++i) 89 mimeTypes.add(i->first); 90 } 91 92 } 93
