/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla XForms support. * * The Initial Developer of the Original Code is * Novell, Inc. * Portions created by the Initial Developer are Copyright (C) 2004 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Allan Beaufour * David Landwehr * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nscore.h" #include "nsCOMPtr.h" #include "nsCOMArray.h" #include "nsXFormsXPathNode.h" #include "nsIDOMNSXPathExpression.h" #include "nsIXFormsXPathEvaluator.h" #include "nsIDOMXPathNSResolver.h" #include "nsIDOMNode.h" #include "nsCOMPtr.h" #include "nsString.h" #include "nsVoidArray.h" /** * This class analyzes an XPath Expression parse tree (nsXFormsXPathNode), and * returns all the nodes that the expression depends on. * * @note Should be reimplemented and moved to Transformiix * @note This class is not thread safe (mCur.*) */ class nsXFormsXPathAnalyzer { private: nsCOMPtr mEvaluator; nsCOMPtr mResolver; nsCOMArray *mCurSet; nsCOMPtr mCurExpression; const nsAString *mCurExprString; PRUint32 mCurSize; PRUint32 mCurPosition; nsStringArray mIndexesUsed; nsresult AnalyzeRecursively(nsIDOMNode *aContextNode, const nsXFormsXPathNode *aNode, PRUint32 aIndent); public: nsXFormsXPathAnalyzer(nsIXFormsXPathEvaluator *aEvaluator, nsIDOMNode *aResolver); ~nsXFormsXPathAnalyzer(); nsresult Analyze(nsIDOMNode *aContextNode, const nsXFormsXPathNode *aNode, nsIDOMNSXPathExpression *aExpression, const nsAString *aExprString, nsCOMArray *aSet, PRUint32 aSize, PRUint32 aPosition); const nsStringArray& IndexesUsed() const; };