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1 /*
2  * Copyright (C) 2006, 2007 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  * 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 COMPUTER, 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 COMPUTER, 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 #ifndef TextEncodingRegistry_h
27 #define TextEncodingRegistry_h
28 
29 #include "wtf/PassOwnPtr.h"
30 #include "wtf/WTFExport.h"
31 #include "wtf/text/WTFString.h"
32 #include "wtf/unicode/Unicode.h"
33 
34 namespace WTF {
35 
36 class TextCodec;
37 class TextEncoding;
38 
39 // Use TextResourceDecoder::decode to decode resources, since it handles BOMs.
40 // Use TextEncoding::encode to encode, since it takes care of normalization.
41 WTF_EXPORT PassOwnPtr<TextCodec> newTextCodec(const TextEncoding&);
42 
43 // Only TextEncoding should use the following functions directly.
44 const char* atomicCanonicalTextEncodingName(const char* alias);
45 template <typename CharacterType>
46 const char* atomicCanonicalTextEncodingName(const CharacterType*, size_t);
47 const char* atomicCanonicalTextEncodingName(const String&);
48 bool noExtendedTextEncodingNameUsed();
49 bool isJapaneseEncoding(const char* canonicalEncodingName);
50 bool shouldShowBackslashAsCurrencySymbolIn(const char* canonicalEncodingName);
51 
52 #ifndef NDEBUG
53 void dumpTextEncodingNameMap();
54 #endif
55 
56 } // namespace WTF
57 
58 using WTF::newTextCodec;
59 using WTF::atomicCanonicalTextEncodingName;
60 using WTF::noExtendedTextEncodingNameUsed;
61 using WTF::isJapaneseEncoding;
62 using WTF::shouldShowBackslashAsCurrencySymbolIn;
63 #ifndef NDEBUG
64 using WTF::dumpTextEncodingNameMap;
65 #endif
66 
67 #endif // TextEncodingRegistry_h
68