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