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151 lines
5.7 KiB
C++
151 lines
5.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsHTMLEditRules_h__
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#define nsHTMLEditRules_h__
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#include "nsTextEditRules.h"
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#include "nsCOMPtr.h"
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class nsHTMLEditRules : public nsTextEditRules
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{
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public:
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nsHTMLEditRules();
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virtual ~nsHTMLEditRules();
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// nsEditRules methods
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NS_IMETHOD WillDoAction(nsIDOMSelection *aSelection, nsRulesInfo *aInfo, PRBool *aCancel);
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NS_IMETHOD DidDoAction(nsIDOMSelection *aSelection, nsRulesInfo *aInfo, nsresult aResult);
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// nsHTMLEditRules action id's
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enum
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{
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kInsertBreak = 3000
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};
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protected:
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enum IterDirection
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{
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kIterForward,
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kIterBackward
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};
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// nsHTMLEditRules implementation methods
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nsresult WillInsertText(nsIDOMSelection *aSelection,
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PRBool *aCancel,
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PlaceholderTxn **aTxn,
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const nsString *inString,
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nsString *outString,
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TypeInState typeInState);
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nsresult WillInsertBreak(nsIDOMSelection *aSelection, PRBool *aCancel);
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nsresult WillDeleteSelection(nsIDOMSelection *aSelection, nsIEditor::ECollapsedSelectionAction aAction, PRBool *aCancel);
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nsresult InsertTab(nsIDOMSelection *aSelection, PRBool *aCancel, PlaceholderTxn **aTxn, nsString *outString);
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nsresult InsertSpace(nsIDOMSelection *aSelection, PRBool *aCancel, PlaceholderTxn **aTxn, nsString *outString);
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nsresult ReturnInHeader(nsIDOMSelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset);
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nsresult ReturnInParagraph(nsIDOMSelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset, PRBool *aCancel);
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nsresult ReturnInListItem(nsIDOMSelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset);
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// helper methods
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static nsresult GetRightmostChild(nsIDOMNode *aCurrentNode, nsIDOMNode **aResultNode);
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static nsresult GetLeftmostChild(nsIDOMNode *aCurrentNode, nsIDOMNode **aResultNode);
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static nsresult GetPriorNode(nsIDOMNode *aCurrentNode, nsIDOMNode **aResultNode);
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static nsresult GetNextNode(nsIDOMNode *aCurrentNode, nsIDOMNode **aResultNode);
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static nsresult GetTabAsNBSPs(nsString *outString);
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static nsresult GetTabAsNBSPsAndSpace(nsString *outString);
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static nsCOMPtr<nsIAtom> GetTag(nsIDOMNode *aNode);
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static PRBool NodesSameType(nsIDOMNode *aNode1, nsIDOMNode *aNode2);
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static PRBool IsInlineNode(nsIDOMNode *aNode);
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static PRBool IsBlockNode(nsIDOMNode *aNode);
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static nsCOMPtr<nsIDOMNode> GetBlockNodeParent(nsIDOMNode *aNode);
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static PRBool HasSameBlockNodeParent(nsIDOMNode *aNode1, nsIDOMNode *aNode2);
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static PRBool IsTextOrElementNode(nsIDOMNode *aNode);
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static PRBool IsTextNode(nsIDOMNode *aNode);
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static PRBool IsEmptyTextNode(nsIDOMNode *aNode);
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static PRInt32 GetIndexOf(nsIDOMNode *aParent, nsIDOMNode *aChild);
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static nsCOMPtr<nsIDOMNode> GetChildAt(nsIDOMNode *aParent, PRInt32 aOffset);
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static PRBool IsHeader(nsIDOMNode *aNode);
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static PRBool IsParagraph(nsIDOMNode *aNode);
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static PRBool IsListItem(nsIDOMNode *aNode);
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static PRBool IsBreak(nsIDOMNode *aNode);
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static nsCOMPtr<nsIDOMNode> NextNodeInBlock(nsIDOMNode *aNode, IterDirection aDir);
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static nsresult GetStartNodeAndOffset(nsIDOMSelection *aSelection, nsCOMPtr<nsIDOMNode> *outStartNode, PRInt32 *outStartOffset);
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static nsresult GetEndNodeAndOffset(nsIDOMSelection *aSelection, nsCOMPtr<nsIDOMNode> *outEndNode, PRInt32 *outEndOffset);
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nsresult IsPreformatted(nsIDOMNode *aNode, PRBool *aResult);
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nsresult IsNextCharWhitespace(nsIDOMNode *aParentNode, PRInt32 aOffset, PRBool *aResult);
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nsresult IsPrevCharWhitespace(nsIDOMNode *aParentNode, PRInt32 aOffset, PRBool *aResult);
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nsresult SplitNodeDeep(nsIDOMNode *aNode, nsIDOMNode *aSplitPointParent, PRInt32 aSplitPointOffset);
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nsresult JoinNodeDeep(nsIDOMNode *aLeftNode, nsIDOMNode *aRightNode, nsIDOMSelection *aSelection);
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// data
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static nsIAtom *sAAtom;
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static nsIAtom *sAddressAtom;
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static nsIAtom *sBigAtom;
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static nsIAtom *sBlinkAtom;
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static nsIAtom *sBAtom;
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static nsIAtom *sCiteAtom;
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static nsIAtom *sCodeAtom;
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static nsIAtom *sDfnAtom;
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static nsIAtom *sEmAtom;
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static nsIAtom *sFontAtom;
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static nsIAtom *sIAtom;
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static nsIAtom *sKbdAtom;
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static nsIAtom *sKeygenAtom;
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static nsIAtom *sNobrAtom;
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static nsIAtom *sSAtom;
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static nsIAtom *sSampAtom;
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static nsIAtom *sSmallAtom;
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static nsIAtom *sSpacerAtom;
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static nsIAtom *sSpanAtom;
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static nsIAtom *sStrikeAtom;
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static nsIAtom *sStrongAtom;
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static nsIAtom *sSubAtom;
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static nsIAtom *sSupAtom;
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static nsIAtom *sTtAtom;
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static nsIAtom *sUAtom;
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static nsIAtom *sVarAtom;
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static nsIAtom *sWbrAtom;
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static nsIAtom *sH1Atom;
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static nsIAtom *sH2Atom;
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static nsIAtom *sH3Atom;
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static nsIAtom *sH4Atom;
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static nsIAtom *sH5Atom;
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static nsIAtom *sH6Atom;
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static nsIAtom *sParagraphAtom;
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static nsIAtom *sListItemAtom;
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static nsIAtom *sBreakAtom;
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static PRInt32 sInstanceCount;
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};
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#endif //nsHTMLEditRules_h__
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