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/*
* Copyright (C) 2004, 2006, 2007, 2011 Apple Inc. All rights reserved.
* Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TextCodecICU_h
#define TextCodecICU_h
#include "TextCodec.h"
#include "TextEncoding.h"
#include <unicode/utypes.h>
typedef struct UConverter UConverter;
namespace WebCore {
class TextCodecICU : public TextCodec {
public:
static void registerEncodingNames(EncodingNameRegistrar);
static void registerCodecs(TextCodecRegistrar);
virtual ~TextCodecICU();
private:
TextCodecICU(const TextEncoding&);
static PassOwnPtr<TextCodec> create(const TextEncoding&, const void*);
virtual String decode(const char*, size_t length, bool flush, bool stopOnError, bool& sawError);
virtual CString encode(const UChar*, size_t length, UnencodableHandling);
void createICUConverter() const;
void releaseICUConverter() const;
bool needsGBKFallbacks() const { return m_needsGBKFallbacks; }
void setNeedsGBKFallbacks(bool needsFallbacks) { m_needsGBKFallbacks = needsFallbacks; }
int decodeToBuffer(UChar* buffer, UChar* bufferLimit, const char*& source,
const char* sourceLimit, int32_t* offsets, bool flush, UErrorCode& err);
TextEncoding m_encoding;
unsigned m_numBufferedBytes;
unsigned char m_bufferedBytes[16]; // bigger than any single multi-byte character
mutable UConverter* m_converterICU;
mutable bool m_needsGBKFallbacks;
};
struct ICUConverterWrapper {
ICUConverterWrapper() : converter(0) { }
~ICUConverterWrapper();
UConverter* converter;
WTF_MAKE_NONCOPYABLE(ICUConverterWrapper);
};
} // namespace WebCore
#endif // TextCodecICU_h
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