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
34namespace WTF {
35
36class TextCodec;
37class 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.
41WTF_EXPORT PassOwnPtr<TextCodec> newTextCodec(const TextEncoding&);
42
43// Only TextEncoding should use the following functions directly.
44const char* atomicCanonicalTextEncodingName(const char* alias);
45template <typename CharacterType>
46const char* atomicCanonicalTextEncodingName(const CharacterType*, size_t);
47const char* atomicCanonicalTextEncodingName(const String&);
48bool noExtendedTextEncodingNameUsed();
49bool isReplacementEncoding(const char* alias);
50bool isReplacementEncoding(const String& alias);
51
52#ifndef NDEBUG
53void dumpTextEncodingNameMap();
54#endif
55
56} // namespace WTF
57
58using WTF::newTextCodec;
59using WTF::atomicCanonicalTextEncodingName;
60using WTF::noExtendedTextEncodingNameUsed;
61#ifndef NDEBUG
62using WTF::dumpTextEncodingNameMap;
63#endif
64
65#endif // TextEncodingRegistry_h
66