Make Range methods to work with detached node

Source/core/dom/Range.h

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Gunnstein Lye (gunnstein@netcom.no)
  * (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
  * (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 83 matching lines @@
 
     void detach(ExceptionState&);
     PassRefPtr<Range> cloneRange(ExceptionState&) const;
 
     void setStartAfter(Node*, ExceptionState& = ASSERT_NO_EXCEPTION);
     void setEndBefore(Node*, ExceptionState& = ASSERT_NO_EXCEPTION);
     void setEndAfter(Node*, ExceptionState& = ASSERT_NO_EXCEPTION);
     void selectNode(Node*, ExceptionState& = ASSERT_NO_EXCEPTION);
     void selectNodeContents(Node*, ExceptionState&);
     void surroundContents(PassRefPtr<Node>, ExceptionState&);
-    void setStartBefore(Node*, ExceptionState&);
+    void setStartBefore(Node*, ExceptionState& = ASSERT_NO_EXCEPTION);
 
     const Position startPosition() const { return m_start.toPosition(); }
     const Position endPosition() const { return m_end.toPosition(); }
     void setStart(const Position&, ExceptionState& = ASSERT_NO_EXCEPTION);
     void setEnd(const Position&, ExceptionState& = ASSERT_NO_EXCEPTION);
 
     Node* firstNode() const;
     Node* pastLastNode() const;
 
     ShadowRoot* shadowRoot() const;
@@ skipping 34 matching lines @@
     void formatForDebugger(char* buffer, unsigned length) const;
 #endif
 
 private:
     explicit Range(PassRefPtr<Document>);
     Range(PassRefPtr<Document>, PassRefPtr<Node> startContainer, int startOffset, PassRefPtr<Node> endContainer, int endOffset);
 
     void setDocument(Document*);
 
     Node* checkNodeWOffset(Node*, int offset, ExceptionState&) const;
-    void checkNodeBA(Node*, ExceptionState&) const;
+    void checkNodeBA(Node*, ExceptionState&, const char*) const;

[tkent, 2013/08/26 22:37:41]

It's hard to imagine what the "const char*" argument is.  Please add an argument
name or a comment.

[yosin_UTC9, 2013/08/27 02:18:55]

Done.

     void checkDeleteExtract(ExceptionState&);
     int maxStartOffset() const;
     int maxEndOffset() const;
 
     enum ActionType { DELETE_CONTENTS, EXTRACT_CONTENTS, CLONE_CONTENTS };
     PassRefPtr<DocumentFragment> processContents(ActionType, ExceptionState&);
     static PassRefPtr<Node> processContentsBetweenOffsets(ActionType, PassRefPtr<DocumentFragment>, Node*, unsigned startOffset, unsigned endOffset, ExceptionState&);
     static void processNodes(ActionType, Vector<RefPtr<Node> >&, PassRefPtr<Node> oldContainer, PassRefPtr<Node> newContainer, ExceptionState&);
     enum ContentsProcessDirection { ProcessContentsForward, ProcessContentsBackward };
     static PassRefPtr<Node> processAncestorsAndTheirSiblings(ActionType, Node* container, ContentsProcessDirection, PassRefPtr<Node> clonedContainer, Node* commonRoot, ExceptionState&);
 
     RefPtr<Document> m_ownerDocument;
     RangeBoundaryPoint m_start;
     RangeBoundaryPoint m_end;
 };
 
 PassRefPtr<Range> rangeOfContents(Node*);
 
 bool areRangesEqual(const Range*, const Range*);
 
 } // namespace
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const WebCore::Range*);
 #endif
 
 #endif