Introduce isHTMLTableElement and toHTMLTableElement

Source/core/editing/InsertLineBreakCommand.cpp

 /*
  * Copyright (C) 2005, 2006 Apple Computer, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 17 matching lines @@
 
 #include "HTMLNames.h"
 #include "core/dom/Document.h"
 #include "core/dom/Text.h"
 #include "core/editing/EditingStyle.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/VisiblePosition.h"
 #include "core/editing/VisibleUnits.h"
 #include "core/editing/htmlediting.h"
 #include "core/html/HTMLElement.h"
+#include "core/html/HTMLTableElement.h"
 #include "core/page/Frame.h"
 #include "core/rendering/RenderObject.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 InsertLineBreakCommand::InsertLineBreakCommand(Document* document) 
     : CompositeEditCommand(document)
 {
@@ skipping 57 matching lines @@
     
     pos = positionOutsideTabSpan(pos);
 
     RefPtr<Node> nodeToInsert;
     if (shouldUseBreakElement(pos))
         nodeToInsert = createBreakElement(document());
     else
         nodeToInsert = document()->createTextNode("\n");
     
     // FIXME: Need to merge text nodes when inserting just after or before text.
-    
+
     if (isEndOfParagraph(caret) && !lineBreakExistsAtVisiblePosition(caret)) {
-        bool needExtraLineBreak = !pos.deprecatedNode()->hasTagName(hrTag) && !pos.deprecatedNode()->hasTagName(tableTag);
-        
+        bool needExtraLineBreak = !pos.deprecatedNode()->hasTagName(hrTag) && !isHTMLTableElement(pos.deprecatedNode());
+
         insertNodeAt(nodeToInsert.get(), pos);
         
         if (needExtraLineBreak)
             insertNodeBefore(nodeToInsert->cloneNode(false), nodeToInsert);
         
         VisiblePosition endingPosition(positionBeforeNode(nodeToInsert.get()));
         setEndingSelection(VisibleSelection(endingPosition, endingSelection().isDirectional()));
     } else if (pos.deprecatedEditingOffset() <= caretMinOffset(pos.deprecatedNode())) {
         insertNodeAt(nodeToInsert.get(), pos);
         
@@ skipping 50 matching lines @@
         // before the line break (if the line break is at the end of a block it isn't selectable).
         // So, this next call sets the endingSelection() to a caret just after the line break 
         // that we inserted, or just before it if it's at the end of a block.
         setEndingSelection(endingSelection().visibleEnd());
     }
 
     rebalanceWhitespace();
 }
 
 }