67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
/*
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* Copyright (C) 2004-2020 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 <array>
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#include <memory>
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#include <pal/text/UnencodableHandling.h>
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#include <unicode/umachine.h>
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#include <wtf/Forward.h>
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#include <wtf/Noncopyable.h>
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namespace WebCore {
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class TextEncoding;
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using UnencodableReplacementArray = std::array<char, 32>;
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class TextCodec {
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WTF_MAKE_NONCOPYABLE(TextCodec); WTF_MAKE_FAST_ALLOCATED;
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public:
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TextCodec() = default;
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virtual ~TextCodec() = default;
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virtual void stripByteOrderMark() { }
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virtual String decode(const char*, size_t length, bool flush, bool stopOnError, bool& sawError) = 0;
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virtual Vector<uint8_t> encode(StringView, UnencodableHandling) const = 0;
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// Fills a null-terminated string representation of the given
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// unencodable character into the given replacement buffer.
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// The length of the string (not including the null) will be returned.
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static int getUnencodableReplacement(UChar32, UnencodableHandling, UnencodableReplacementArray&);
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};
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Function<void(UChar32, Vector<uint8_t>&)> unencodableHandler(UnencodableHandling);
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using EncodingNameRegistrar = void (*)(const char* alias, const char* name);
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using NewTextCodecFunction = WTF::Function<std::unique_ptr<TextCodec>()>;
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using TextCodecRegistrar = void (*)(const char* name, NewTextCodecFunction&&);
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} // namespace WebCore
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