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 <memory>
30#include "wtf/PassOwnPtr.h"
31#include "wtf/WTFExport.h"
32#include "wtf/text/WTFString.h"
33#include "wtf/unicode/Unicode.h"
34
35namespace WTF {
36
37class TextCodec;
38class TextEncoding;
39
40// Use TextResourceDecoder::decode to decode resources, since it handles BOMs.
41// Use TextEncoding::encode to encode, since it takes care of normalization.
42WTF_EXPORT PassOwnPtr<TextCodec> newTextCodec(const TextEncoding&);
43
44// Only TextEncoding should use the following functions directly.
45const char* atomicCanonicalTextEncodingName(const char* alias);
46template <typename CharacterType>
47const char* atomicCanonicalTextEncodingName(const CharacterType*, size_t);
48const char* atomicCanonicalTextEncodingName(const String&);
49bool noExtendedTextEncodingNameUsed();
50bool isJapaneseEncoding(const char* canonicalEncodingName);
51bool shouldShowBackslashAsCurrencySymbolIn(const char* canonicalEncodingName);
52
53#ifndef NDEBUG
54void dumpTextEncodingNameMap();
55#endif
56
57} // namespace WTF
58
59using WTF::newTextCodec;
60using WTF::atomicCanonicalTextEncodingName;
61using WTF::noExtendedTextEncodingNameUsed;
62using WTF::isJapaneseEncoding;
63using WTF::shouldShowBackslashAsCurrencySymbolIn;
64#ifndef NDEBUG
65using WTF::dumpTextEncodingNameMap;
66#endif
67
68#endif // TextEncodingRegistry_h
69