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