| /* |
| * Copyright (C) 2004, 2006, 2007, 2011 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 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_TEXT_CODEC_ICU_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_TEXT_CODEC_ICU_H_ |
| |
| #include <unicode/utypes.h> |
| #include <memory> |
| #include "base/gtest_prod_util.h" |
| #include "base/macros.h" |
| #include "third_party/blink/renderer/platform/wtf/text/text_codec.h" |
| #include "third_party/blink/renderer/platform/wtf/text/text_encoding.h" |
| |
| typedef struct UConverter UConverter; |
| |
| namespace WTF { |
| |
| class TextCodecInput; |
| |
| class TextCodecICU final : public TextCodec { |
| public: |
| static void RegisterEncodingNames(EncodingNameRegistrar); |
| static void RegisterCodecs(TextCodecRegistrar); |
| |
| ~TextCodecICU() override; |
| |
| private: |
| TextCodecICU(const TextEncoding&); |
| WTF_EXPORT static std::unique_ptr<TextCodec> Create(const TextEncoding&, |
| const void*); |
| |
| String Decode(const char*, |
| wtf_size_t length, |
| FlushBehavior, |
| bool stop_on_error, |
| bool& saw_error) override; |
| std::string Encode(const UChar*, |
| wtf_size_t length, |
| UnencodableHandling) override; |
| std::string Encode(const LChar*, |
| wtf_size_t length, |
| UnencodableHandling) override; |
| |
| template <typename CharType> |
| std::string EncodeCommon(const CharType*, |
| wtf_size_t length, |
| UnencodableHandling); |
| std::string EncodeInternal(const TextCodecInput&, UnencodableHandling); |
| |
| void CreateICUConverter() const; |
| void ReleaseICUConverter() const; |
| |
| int DecodeToBuffer(UChar* buffer, |
| UChar* buffer_limit, |
| const char*& source, |
| const char* source_limit, |
| int32_t* offsets, |
| bool flush, |
| UErrorCode&); |
| |
| TextEncoding encoding_; |
| mutable UConverter* converter_icu_ = nullptr; |
| #if defined(USING_SYSTEM_ICU) |
| mutable bool needs_gbk_fallbacks_ = false; |
| #endif |
| |
| FRIEND_TEST_ALL_PREFIXES(TextCodecICUTest, IgnorableCodePoint); |
| }; |
| |
| struct ICUConverterWrapper { |
| USING_FAST_MALLOC(ICUConverterWrapper); |
| |
| public: |
| ICUConverterWrapper() : converter(nullptr) {} |
| ~ICUConverterWrapper(); |
| |
| UConverter* converter; |
| |
| DISALLOW_COPY_AND_ASSIGN(ICUConverterWrapper); |
| }; |
| |
| } // namespace WTF |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_TEXT_CODEC_ICU_H_ |