• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 
45 namespace WebCore {
46 
47 typedef PassRefPtr<Archive> RawDataCreationFunction(SharedBuffer*);
48 typedef 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.
archiveFactoryCreate(SharedBuffer * buffer)52 template <typename ArchiveClass> static PassRefPtr<Archive> archiveFactoryCreate(SharedBuffer* buffer)
53 {
54     return ArchiveClass::create(buffer);
55 }
56 
archiveMIMETypes()57 static 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 
isArchiveMimeType(const String & mimeType)75 bool ArchiveFactory::isArchiveMimeType(const String& mimeType)
76 {
77     return !mimeType.isEmpty() && archiveMIMETypes().contains(mimeType);
78 }
79 
create(SharedBuffer * data,const String & mimeType)80 PassRefPtr<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 
registerKnownArchiveMIMETypes()86 void 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