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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 
37 namespace 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