Make the parser an implementation detail of the Document

sky/engine/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 1326 matching lines @@
 void Document::removeAllEventListeners()
 {
     ContainerNode::removeAllEventListeners();
 
     if (LocalDOMWindow* domWindow = this->domWindow())
         domWindow->removeAllEventListeners();
 }
 
 HTMLDocumentParser* Document::scriptableDocumentParser() const
 {
-    return parser() ? parser()->asHTMLDocumentParser() : 0;
+    return m_parser ? m_parser->asHTMLDocumentParser() : 0;
 }
 
 void Document::detachParser()
 {
     if (!m_parser)
         return;
     m_parser->detach();
     m_parser.clear();
 }
 
 void Document::cancelParsing()
 {
     if (!m_parser)
         return;
 
     // We have to clear the parser to avoid possibly triggering
     // the onload handler when closing as a side effect of a cancel-style
     // change, such as opening a new document or closing the window while
     // still parsing.
     detachParser();
 
     // FIXME(sky): Unclear if anything below this makes any sense.
     if (!m_frame) {
         m_loadEventProgress = LoadEventTried;
         return;
     }
     checkCompleted();
 }
 
-void Document::startParsing()
+DocumentParser* Document::startParsing()
 {
     ASSERT(!m_parser);
     ASSERT(!m_isParsing);
     ASSERT(!firstChild());
     ASSERT(!m_focusedElement);
 
     m_parser = HTMLDocumentParser::create(toHTMLDocument(*this), false);
     setParsing(true);
     setReadyState(Loading);
+    return m_parser.get();
 }
 
 Element* Document::viewportDefiningElement(RenderStyle* rootStyle) const
 {
     // If a BODY element sets non-visible overflow, it is to be propagated to the viewport, as long
     // as the following conditions are all met:
     // (1) The root element is HTML.
     // (2) It is the primary BODY element (we only assert for this, expecting callers to behave).
     // (3) The root element has visible overflow.
     // Otherwise it's the root element's properties that are to be propagated.
@@ skipping 234 matching lines @@
 }
 
 void Document::executeScriptsWaitingForResourcesTimerFired(Timer<Document>*)
 {
     if (!isRenderingReady())
         return;
     if (HTMLDocumentParser* parser = scriptableDocumentParser())
         parser->executeScriptsWaitingForResources();
 }
 
+TextPosition Document::parserPosition() const
+{
+    if (HTMLDocumentParser* parser = scriptableDocumentParser())
+        return parser->textPosition();
+    return TextPosition::belowRangePosition();
+}
+
 CSSStyleSheet& Document::elementSheet()
 {
     if (!m_elemSheet)
         m_elemSheet = CSSStyleSheet::createInline(this, m_baseURL);
     return *m_elemSheet;
 }
 
 String Document::outgoingReferrer()
 {
     // See http://www.whatwg.org/specs/web-apps/current-work/#fetching-resources
@@ skipping 1257 matching lines @@
 using namespace blink;
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (WeakDocumentSet::const_iterator it = set.begin(); it != set.end(); ++it) {
         fprintf(stderr, "- Document %p URL: %s\n", *it, (*it)->url().string().utf8().data());
     }
 }
 #endif