• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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.
wellFormed()39     virtual bool wellFormed() const { return true; }
40 
41     // The below functions are used by DocumentWriter (the loader).
42     virtual void appendBytes(const char* bytes, size_t length) OVERRIDE;
43     virtual void flush() OVERRIDE;
needsDecoder()44     virtual bool needsDecoder() const OVERRIDE FINAL { return m_needsDecoder; }
45     virtual void setDecoder(PassOwnPtr<TextResourceDecoder>) OVERRIDE;
46     virtual TextResourceDecoder* decoder() OVERRIDE FINAL;
47 
48     PassOwnPtr<TextResourceDecoder> takeDecoder();
49 
50 protected:
51     explicit DecodedDataDocumentParser(Document&);
52     virtual ~DecodedDataDocumentParser();
53 
54 private:
55     // append is used by DocumentWriter::replaceDocumentWhileExecutingJavaScriptURL.
56     virtual void append(PassRefPtr<StringImpl>) = 0;
57 
58     void updateDocument(String& decodedData);
59 
60     bool m_needsDecoder;
61     OwnPtr<TextResourceDecoder> m_decoder;
62 };
63 
64 }
65 
66 #endif // DecodedDataDocumentParser_h
67