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 WebCore { 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 virtual void appendBytes(const char* bytes, size_t length) OVERRIDE; 43 virtual void flush() OVERRIDE; 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::replaceDocument. 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