third_party/WebKit/Source/core/dom/DecodedDataDocumentParser.h

   1 /*
   2  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef DecodedDataDocumentParser_h
  27 #define DecodedDataDocumentParser_h
  28
  29 #include "core/dom/DocumentParser.h"
  30 #include "wtf/OwnPtr.h"
  31
  32 namespace blink {
  33 class TextResourceDecoder;
  34
  35 class DecodedDataDocumentParser : public DocumentParser {
  36 public:
  37     // Only used by the XMLDocumentParser to communicate back to
  38     // XMLHttpRequest if the responseXML was well formed.
  39     virtual bool wellFormed() const { return true; }
  40
  41     // The below functions are used by DocumentWriter (the loader).
  42     void appendBytes(const char* bytes, size_t length) override;
  43     void flush() override;
  44     bool needsDecoder() const final { return m_needsDecoder; }
  45     void setDecoder(PassOwnPtr<TextResourceDecoder>) override;
  46     TextResourceDecoder* decoder() final;
  47
  48     PassOwnPtr<TextResourceDecoder> takeDecoder();
  49
  50 protected:
  51     explicit DecodedDataDocumentParser(Document&);
  52     ~DecodedDataDocumentParser() override;
  53
  54 private:
  55     void updateDocument(String& decodedData);
  56
  57     bool m_needsDecoder;
  58     OwnPtr<TextResourceDecoder> m_decoder;
  59 };
  60
  61 }
  62
  63 #endif // DecodedDataDocumentParser_h