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      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 #include "config.h"
     27 #include "core/dom/DocumentParser.h"
     28 
     29 #include "core/dom/Document.h"
     30 #include "core/html/parser/TextResourceDecoder.h"
     31 #include "wtf/Assertions.h"
     32 
     33 namespace WebCore {
     34 
     35 DocumentParser::DocumentParser(Document* document)
     36     : m_state(ParsingState)
     37     , m_documentWasLoadedAsPartOfNavigation(false)
     38     , m_document(document)
     39 {
     40     ASSERT(document);
     41 }
     42 
     43 DocumentParser::~DocumentParser()
     44 {
     45 #if !ENABLE(OILPAN)
     46     // Document is expected to call detach() before releasing its ref.
     47     // This ASSERT is slightly awkward for parsers with a fragment case
     48     // as there is no Document to release the ref.
     49     ASSERT(!m_document);
     50 #endif
     51 }
     52 
     53 void DocumentParser::trace(Visitor* visitor)
     54 {
     55     visitor->trace(m_document);
     56 }
     57 
     58 void DocumentParser::setDecoder(PassOwnPtr<TextResourceDecoder>)
     59 {
     60     ASSERT_NOT_REACHED();
     61 }
     62 
     63 TextResourceDecoder* DocumentParser::decoder()
     64 {
     65     return 0;
     66 }
     67 
     68 void DocumentParser::startParsing()
     69 {
     70     m_state = ParsingState;
     71 }
     72 
     73 void DocumentParser::prepareToStopParsing()
     74 {
     75     ASSERT(m_state == ParsingState);
     76     m_state = StoppingState;
     77 }
     78 
     79 void DocumentParser::stopParsing()
     80 {
     81     m_state = StoppedState;
     82 }
     83 
     84 void DocumentParser::detach()
     85 {
     86     m_state = DetachedState;
     87     m_document = nullptr;
     88 }
     89 
     90 void DocumentParser::suspendScheduledTasks()
     91 {
     92 }
     93 
     94 void DocumentParser::resumeScheduledTasks()
     95 {
     96 }
     97 
     98 };
     99 
    100