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lightning-sunbird  0.9+nobinonly
nsXFormsXPathAnalyzer.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla XForms support.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Novell, Inc.
00019  * Portions created by the Initial Developer are Copyright (C) 2004
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *  Allan Beaufour <abeaufour@novell.com>
00024  *  David Landwehr <dlandwehr@novell.com>
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either the GNU General Public License Version 2 or later (the "GPL"), or
00028  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00029  * in which case the provisions of the GPL or the LGPL are applicable instead
00030  * of those above. If you wish to allow use of your version of this file only
00031  * under the terms of either the GPL or the LGPL, and not to allow others to
00032  * use your version of this file under the terms of the MPL, indicate your
00033  * decision by deleting the provisions above and replace them with the notice
00034  * and other provisions required by the GPL or the LGPL. If you do not delete
00035  * the provisions above, a recipient may use your version of this file under
00036  * the terms of any one of the MPL, the GPL or the LGPL.
00037  *
00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #include "nscore.h"
00041 #include "nsCOMPtr.h"
00042 #include "nsCOMArray.h"
00043 #include "nsXFormsXPathNode.h"
00044 #include "nsIDOMNSXPathExpression.h"
00045 #include "nsIXFormsXPathEvaluator.h"
00046 #include "nsIDOMXPathNSResolver.h"
00047 #include "nsIDOMNode.h"
00048 #include "nsCOMPtr.h"
00049 #include "nsString.h"
00050 #include "nsVoidArray.h"
00051 
00059 class nsXFormsXPathAnalyzer {
00060 private:
00061   nsCOMPtr<nsIXFormsXPathEvaluator>    mEvaluator;
00062   nsCOMPtr<nsIDOMNode>                 mResolver;
00063   nsCOMPtr<nsIDOMNode>                 mOrigCtxt;
00064 
00065   nsCOMArray<nsIDOMNode>              *mCurSet;
00066   nsCOMPtr<nsIDOMNSXPathExpression>    mCurExpression;
00067   const nsAString                     *mCurExprString;
00068   PRUint32                             mCurSize;
00069   PRUint32                             mCurPosition;
00070   nsStringArray                        mIndexesUsed;
00071 
00072   nsresult AnalyzeRecursively(nsIDOMNode              *aContextNode,
00073                               const nsXFormsXPathNode *aNode,
00074                               PRUint32                 aIndent,
00075                               PRBool                   aCollect = PR_FALSE);
00076 
00077 public:
00078   nsXFormsXPathAnalyzer(nsIXFormsXPathEvaluator  *aEvaluator,
00079                         nsIDOMNode               *aResolver,
00080                         nsIDOMNode               *aOrigCtxt);
00081   ~nsXFormsXPathAnalyzer();
00082   
00083   nsresult Analyze(nsIDOMNode                *aContextNode,
00084                    const nsXFormsXPathNode   *aNode,
00085                    nsIDOMNSXPathExpression   *aExpression,
00086                    const nsAString           *aExprString,
00087                    nsCOMArray<nsIDOMNode>    *aSet,
00088                    PRUint32                   aSize,
00089                    PRUint32                   aPosition,
00090                    PRBool                     aIncludeRoot);
00091 
00092   const nsStringArray& IndexesUsed() const;
00093 };