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