1/*
2 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
4 * Copyright (C) 2008 Jürg Billeter <j@bitron.ch>
5 * Copyright (C) 2009 Dominik Röttsches <dominik.roettsches@access-company.com>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef TextCodecGTK_h
30#define TextCodecGTK_h
31
32#include "GRefPtr.h"
33#include <glib.h>
34#include "TextCodec.h"
35#include "TextEncoding.h"
36
37namespace WebCore {
38
39    class TextCodecGtk : public TextCodec {
40    public:
41        static void registerBaseEncodingNames(EncodingNameRegistrar);
42        static void registerBaseCodecs(TextCodecRegistrar);
43
44        static void registerExtendedEncodingNames(EncodingNameRegistrar);
45        static void registerExtendedCodecs(TextCodecRegistrar);
46
47        TextCodecGtk(const TextEncoding&);
48        virtual ~TextCodecGtk();
49
50        virtual String decode(const char*, size_t length, bool flush, bool stopOnError, bool& sawError);
51        virtual CString encode(const UChar*, size_t length, UnencodableHandling);
52
53    private:
54        void createIConvDecoder() const;
55        void createIConvEncoder() const;
56
57        TextEncoding m_encoding;
58        size_t m_numBufferedBytes;
59        unsigned char m_bufferedBytes[16]; // bigger than any single multi-byte character
60        mutable GRefPtr<GCharsetConverter> m_iconvDecoder;
61        mutable GRefPtr<GCharsetConverter> m_iconvEncoder;
62    };
63
64} // namespace WebCore
65
66#endif // TextCodecGTK_h
67