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22b946ab61
We always use threading now and there aren't any other options. R=eseidel@chromium.org, esprehn@chromium.org Review URL: https://codereview.chromium.org/676133002
87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
/*
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* Copyright (C) 2013 Google, Inc. All Rights Reserved.
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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 GOOGLE 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 GOOGLE 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 BackgroundHTMLParser_h
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#define BackgroundHTMLParser_h
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#include "base/memory/weak_ptr.h"
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#include "core/html/parser/CompactHTMLToken.h"
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#include "core/html/parser/HTMLTokenizer.h"
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#include "core/html/parser/TextResourceDecoder.h"
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#include "mojo/public/cpp/system/core.h"
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#include "platform/fetcher/DataPipeDrainer.h"
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#include "platform/text/SegmentedString.h"
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#include "wtf/PassOwnPtr.h"
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#include "wtf/WeakPtr.h"
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namespace blink {
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class HTMLDocumentParser;
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class SharedBuffer;
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class BackgroundHTMLParser : public DataPipeDrainer::Client {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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struct Configuration {
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mojo::ScopedDataPipeConsumerHandle source;
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WeakPtr<HTMLDocumentParser> parser;
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};
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static base::WeakPtr<BackgroundHTMLParser> create(PassOwnPtr<Configuration>);
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void start();
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void stop();
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private:
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explicit BackgroundHTMLParser(PassOwnPtr<Configuration>);
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~BackgroundHTMLParser();
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void OnDataAvailable(const void* data, size_t numberOfBytes) override;
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void OnDataComplete() override;
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void finish();
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void markEndOfFile();
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void pumpTokenizer();
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void sendTokensToMainThread();
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bool updateTokenizerState(const CompactHTMLToken& token);
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SegmentedString m_input;
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OwnPtr<HTMLToken> m_token;
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OwnPtr<HTMLTokenizer> m_tokenizer;
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WeakPtr<HTMLDocumentParser> m_parser;
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OwnPtr<CompactHTMLTokenStream> m_pendingTokens;
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OwnPtr<TextResourceDecoder> m_decoder;
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mojo::ScopedDataPipeConsumerHandle m_source;
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OwnPtr<DataPipeDrainer> m_drainer;
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base::WeakPtrFactory<BackgroundHTMLParser> m_weakFactory;
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};
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}
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#endif
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