Remove dynamic cast from DocumentPaser interface

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 1324 matching lines @@
 }
 
 void Document::removeAllEventListeners()
 {
     ContainerNode::removeAllEventListeners();
 
     if (LocalDOMWindow* domWindow = this->domWindow())
         domWindow->removeAllEventListeners();
 }
 
-HTMLDocumentParser* Document::scriptableDocumentParser() const
-{
-    return m_parser ? m_parser->asHTMLDocumentParser() : 0;
-}
-
 void Document::detachParser()
 {
     if (!m_parser)
         return;
     m_parser->detach();
     m_parser.clear();
 }
 
 void Document::cancelParsing()
 {
@@ skipping 268 matching lines @@
     m_executeScriptsWaitingForResourcesTimer.startOneShot(0, FROM_HERE);
 
     if (frame())
         frame()->loaderClient()->didRemoveAllPendingStylesheet();
 }
 
 void Document::executeScriptsWaitingForResourcesTimerFired(Timer<Document>*)
 {
     if (!isRenderingReady())
         return;
-    if (HTMLDocumentParser* parser = scriptableDocumentParser())
-        parser->executeScriptsWaitingForResources();
+    if (m_parser)
+        m_parser->executeScriptsWaitingForResources();
 }
 
 TextPosition Document::textPosition() const
 {
-    if (HTMLDocumentParser* parser = scriptableDocumentParser())
-        return parser->textPosition();
+    if (m_parser)
+        m_parser->textPosition();
     return TextPosition::belowRangePosition();
 }
 
 CSSStyleSheet& Document::elementSheet()
 {
     if (!m_elemSheet)
         m_elemSheet = CSSStyleSheet::createInline(this, m_baseURL);
     return *m_elemSheet;
 }
 
@@ skipping 719 matching lines @@
         return this;
 #else
         return m_weakFactory.createWeakPtr();
 #endif
     }
     return WeakPtr<Document>(nullptr);
 }
 
 void Document::finishedParsing()
 {
-    ASSERT(!scriptableDocumentParser() || !m_parser->isParsing());
-    ASSERT(!scriptableDocumentParser() || m_readyState != Loading);
+    ASSERT(!m_parser || !m_parser->isParsing());
+    ASSERT(!m_parser || m_readyState != Loading);
     setParsing(false);
     dispatchEvent(Event::createBubble(EventTypeNames::DOMContentLoaded));
 
     // The loader's finishedParsing() method may invoke script that causes this object to
     // be dereferenced (when this document is in an iframe and the onload causes the iframe's src to change).
     // Keep it alive until we are done.
     RefPtr<Document> protect(this);
 
     if (RefPtr<LocalFrame> f = frame()) {
         checkCompleted();
@@ skipping 75 matching lines @@
 {
 }
 
 void Document::addMessage(PassRefPtr<ConsoleMessage> consoleMessage)
 {
     if (!m_frame)
         return;
 
     if (!consoleMessage->scriptState() && consoleMessage->url().isNull() && !consoleMessage->lineNumber()) {
         consoleMessage->setURL(url().string());
-        if (parsing() && scriptableDocumentParser()) {
-            HTMLDocumentParser* parser = scriptableDocumentParser();
-            if (!parser->isWaitingForScripts() && !parser->isExecutingScript())
-                consoleMessage->setLineNumber(parser->lineNumber().oneBasedInt());
+        if (parsing() && m_parser) {
+            if (!m_parser->isWaitingForScripts() && !m_parser->isExecutingScript())
+                consoleMessage->setLineNumber(m_parser->textPosition().m_line.oneBasedInt());
         }
     }
     m_frame->console().addMessage(consoleMessage);
 }
 
 void Document::decrementLoadEventDelayCount()
 {
     ASSERT(m_loadEventDelayCount);
     --m_loadEventDelayCount;
 
@@ skipping 119 matching lines @@
 
 void Document::adjustFloatRectForScroll(FloatRect& rect)
 {
     if (!view())
         return;
 
     LayoutRect visibleContentRect = view()->visibleContentRect();
     rect.move(-FloatSize(visibleContentRect.x().toFloat(), visibleContentRect.y().toFloat()));
 }
 
-bool Document::hasActiveParser()
-{
-    return m_activeParserCount || (m_parser && m_parser->processingData());
-}
-
 void Document::decrementActiveParserCount()
 {
     --m_activeParserCount;
 }
 
 static RenderObject* nearestCommonHoverAncestor(RenderObject* obj1, RenderObject* obj2)
 {
     if (!obj1 || !obj2)
         return 0;
 
@@ skipping 276 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