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| 1 /* | 1 /* |
| 2 * Copyright (C) 2000 Peter Kelly (pmk@post.com) | 2 * Copyright (C) 2000 Peter Kelly (pmk@post.com) |
| 3 * Copyright (C) 2005, 2006 Apple Computer, Inc. | 3 * Copyright (C) 2005, 2006 Apple Computer, Inc. |
| 4 * Copyright (C) 2007 Samuel Weinig (sam@webkit.org) | 4 * Copyright (C) 2007 Samuel Weinig (sam@webkit.org) |
| 5 * Copyright (C) 2010 Google, Inc. | 5 * Copyright (C) 2010 Google, Inc. |
| 6 * | 6 * |
| 7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
| 8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
| 9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
| 10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
| 11 * | 11 * |
| 12 * This library is distributed in the hope that it will be useful, | 12 * This library is distributed in the hope that it will be useful, |
| 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 * Library General Public License for more details. | 15 * Library General Public License for more details. |
| 16 * | 16 * |
| 17 * You should have received a copy of the GNU Library General Public License | 17 * You should have received a copy of the GNU Library General Public License |
| 18 * along with this library; see the file COPYING.LIB. If not, write to | 18 * along with this library; see the file COPYING.LIB. If not, write to |
| 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 20 * Boston, MA 02110-1301, USA. | 20 * Boston, MA 02110-1301, USA. |
| 21 * | 21 * |
| 22 */ | 22 */ |
| 23 | 23 |
| 24 #ifndef DocumentParser_h | 24 #ifndef DocumentParser_h |
| 25 #define DocumentParser_h | 25 #define DocumentParser_h |
| 26 | 26 |
| 27 #include "mojo/public/cpp/system/core.h" |
| 27 #include "platform/heap/Handle.h" | 28 #include "platform/heap/Handle.h" |
| 28 #include "wtf/Forward.h" | 29 #include "wtf/Forward.h" |
| 29 #include "wtf/RefCounted.h" | 30 #include "wtf/RefCounted.h" |
| 30 | 31 |
| 31 namespace blink { | 32 namespace blink { |
| 32 | 33 |
| 33 class Document; | 34 class Document; |
| 34 class SegmentedString; | 35 class SegmentedString; |
| 35 class HTMLDocumentParser; | 36 class HTMLDocumentParser; |
| 36 class TextResourceDecoder; | 37 class TextResourceDecoder; |
| 37 | 38 |
| 38 class DocumentParser : public RefCountedWillBeGarbageCollectedFinalized<Document
Parser> { | 39 class DocumentParser : public RefCountedWillBeGarbageCollectedFinalized<Document
Parser> { |
| 39 public: | 40 public: |
| 40 virtual ~DocumentParser(); | 41 virtual ~DocumentParser(); |
| 41 virtual void trace(Visitor*); | 42 virtual void trace(Visitor*); |
| 42 | 43 |
| 43 virtual HTMLDocumentParser* asHTMLDocumentParser() { return 0; } | 44 virtual HTMLDocumentParser* asHTMLDocumentParser() { return 0; } |
| 44 | 45 |
| 45 // http://www.whatwg.org/specs/web-apps/current-work/#insertion-point | 46 virtual void parse(mojo::ScopedDataPipeConsumerHandle) = 0; |
| 46 virtual bool hasInsertionPoint() { return true; } | |
| 47 | |
| 48 // insert is used by document.write. | |
| 49 virtual void insert(const SegmentedString&) = 0; | |
| 50 | |
| 51 // The below functions are used by DocumentWriter (the loader). | |
| 52 virtual void appendBytes(const char* bytes, size_t length) = 0; | |
| 53 | |
| 54 // FIXME: append() should be private, but DocumentWriter::replaceDocumentWhi
leExecutingJavaScriptURL uses it for now. | |
| 55 // FIXME: This really should take a PassOwnPtr to signify that it expects to
take | |
| 56 // ownership of the buffer. The parser expects the PassRefPtr to hold the on
ly ref of the StringImpl. | |
| 57 virtual void append(PassRefPtr<StringImpl>) = 0; | |
| 58 | |
| 59 virtual void finish() = 0; | |
| 60 | |
| 61 virtual bool processingData() const { return false; } | 47 virtual bool processingData() const { return false; } |
| 62 | 48 |
| 63 // document() will return 0 after detach() is called. | 49 // document() will return 0 after detach() is called. |
| 64 Document* document() const { ASSERT(m_document); return m_document; } | 50 Document* document() const { ASSERT(m_document); return m_document; } |
| 65 | 51 |
| 66 bool isParsing() const { return m_state == ParsingState; } | 52 bool isParsing() const { return m_state == ParsingState; } |
| 67 bool isStopping() const { return m_state == StoppingState; } | 53 bool isStopping() const { return m_state == StoppingState; } |
| 68 bool isStopped() const { return m_state >= StoppedState; } | 54 bool isStopped() const { return m_state >= StoppedState; } |
| 69 bool isDetached() const { return m_state == DetachedState; } | 55 bool isDetached() const { return m_state == DetachedState; } |
| 70 | 56 |
| (...skipping 11 matching lines...) Expand all Loading... |
| 82 // After detach, m_document is cleared. The parser will unwind its | 68 // After detach, m_document is cleared. The parser will unwind its |
| 83 // callstacks, but not produce any more nodes. | 69 // callstacks, but not produce any more nodes. |
| 84 // It is impossible for the parser to touch the rest of WebCore after | 70 // It is impossible for the parser to touch the rest of WebCore after |
| 85 // detach is called. | 71 // detach is called. |
| 86 // Oilpan: We don't need to call detach when a Document is destructed. | 72 // Oilpan: We don't need to call detach when a Document is destructed. |
| 87 virtual void detach(); | 73 virtual void detach(); |
| 88 | 74 |
| 89 protected: | 75 protected: |
| 90 explicit DocumentParser(Document*); | 76 explicit DocumentParser(Document*); |
| 91 | 77 |
| 92 virtual void flush() = 0; | |
| 93 | |
| 94 private: | 78 private: |
| 95 enum ParserState { | 79 enum ParserState { |
| 96 ParsingState, | 80 ParsingState, |
| 97 StoppingState, | 81 StoppingState, |
| 98 StoppedState, | 82 StoppedState, |
| 99 DetachedState | 83 DetachedState |
| 100 }; | 84 }; |
| 101 ParserState m_state; | 85 ParserState m_state; |
| 102 | 86 |
| 103 // Every DocumentParser needs a pointer back to the document. | 87 // Every DocumentParser needs a pointer back to the document. |
| 104 // m_document will be 0 after the parser is stopped. | 88 // m_document will be 0 after the parser is stopped. |
| 105 RawPtrWillBeMember<Document> m_document; | 89 RawPtrWillBeMember<Document> m_document; |
| 106 }; | 90 }; |
| 107 | 91 |
| 108 } // namespace blink | 92 } // namespace blink |
| 109 | 93 |
| 110 #endif // DocumentParser_h | 94 #endif // DocumentParser_h |
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