/*
* Copyright (C) 2011 Apple Inc. All rights reserved.
*
* 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 TextCodecUTF8_h
#define TextCodecUTF8_h
#include "wtf/text/TextCodec.h"
namespace WTF {
class TextCodecUTF8 FINAL : public TextCodec {
public:
static void registerEncodingNames(EncodingNameRegistrar);
static void registerCodecs(TextCodecRegistrar);
private:
static PassOwnPtr<TextCodec> create(const TextEncoding&, const void*);
TextCodecUTF8() : m_partialSequenceSize(0) { }
virtual String decode(const char*, size_t length, FlushBehavior, bool stopOnError, bool& sawError) OVERRIDE;
virtual CString encode(const UChar*, size_t length, UnencodableHandling) OVERRIDE;
virtual CString encode(const LChar*, size_t length, UnencodableHandling) OVERRIDE;
template<typename CharType>
CString encodeCommon(const CharType* characters, size_t length);
template <typename CharType>
bool handlePartialSequence(CharType*& destination, const uint8_t*& source, const uint8_t* end, bool flush, bool stopOnError, bool& sawError);
void handleError(UChar*& destination, bool stopOnError, bool& sawError);
void consumePartialSequenceByte();
int m_partialSequenceSize;
uint8_t m_partialSequence[U8_MAX_LENGTH];
};
} // namespace WTF
#endif // TextCodecUTF8_h