/* * Copyright (C) 2004-2017 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 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 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. */ #pragma once #include <array> #include <memory> #include <pal/text/UnencodableHandling.h> #include <unicode/umachine.h> #include <wtf/Forward.h> #include <wtf/Noncopyable.h> namespace WebCore { class TextEncoding; using UnencodableReplacementArray = std::array<char, 32>; class TextCodec { WTF_MAKE_NONCOPYABLE(TextCodec); WTF_MAKE_FAST_ALLOCATED; public: TextCodec() = default; virtual ~TextCodec() = default; virtual String decode(const char*, size_t length, bool flush, bool stopOnError, bool& sawError) = 0; virtual Vector<uint8_t> encode(StringView, UnencodableHandling) = 0; // Fills a null-terminated string representation of the given // unencodable character into the given replacement buffer. // The length of the string (not including the null) will be returned. static int getUnencodableReplacement(UChar32, UnencodableHandling, UnencodableReplacementArray&); }; using EncodingNameRegistrar = void (*)(const char* alias, const char* name); using NewTextCodecFunction = WTF::Function<std::unique_ptr<TextCodec>()>; using TextCodecRegistrar = void (*)(const char* name, NewTextCodecFunction&&); } // namespace WebCore