66 lines
2.5 KiB
C++
66 lines
2.5 KiB
C++
/*
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* Copyright (C) 2004-2017 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 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 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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#pragma once
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#include "TextCodec.h"
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#include <unicode/ucnv.h>
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#include <wtf/unicode/icu/ICUHelpers.h>
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namespace WebCore {
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using ICUConverterPtr = std::unique_ptr<UConverter, ICUDeleter<ucnv_close>>;
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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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explicit TextCodecICU(const char* encoding, const char* canonicalConverterName);
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virtual ~TextCodecICU();
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private:
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String decode(const char*, size_t length, bool flush, bool stopOnError, bool& sawError) final;
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Vector<uint8_t> encode(StringView, UnencodableHandling) const final;
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void createICUConverter() const;
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void releaseICUConverter() const;
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int decodeToBuffer(UChar* buffer, UChar* bufferLimit, const char*& source, const char* sourceLimit, int32_t* offsets, bool flush, UErrorCode&);
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const char* const m_encodingName;
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const char* const m_canonicalConverterName;
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mutable ICUConverterPtr m_converter;
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};
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struct ICUConverterWrapper {
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WTF_MAKE_STRUCT_FAST_ALLOCATED;
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ICUConverterPtr converter;
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};
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} // namespace WebCore
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