XQillaExpression.hpp

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/*
 * Copyright (c) 2001-2006
 *     DecisionSoft Limited. All rights reserved.
 * Copyright (c) 2004-2006
 *     Progress Software Corporation. All rights reserved.
 * Copyright (c) 2004-2006
 *     Oracle. All rights reserved.
 *
 * See the file LICENSE for redistribution information.
 *
 * $Id: XQillaExpression.hpp,v 1.6 2006/11/01 16:37:12 jpcs Exp $
 */

#ifndef __XQILLAEXPRESSION_HPP
#define __XQILLAEXPRESSION_HPP

#include <xqilla/framework/XQillaExport.hpp>

#include <xqilla/dom-api/XPath2Result.hpp>
#include <xqilla/runtime/Sequence.hpp>
#include <xercesc/dom/DOMException.hpp>
#include <xercesc/dom/DOMNode.hpp>
#include <xercesc/dom/DOMXPathExpression.hpp>
#include <xercesc/dom/DOMXPathException.hpp>


class DynamicContext;

class XQILLA_API XQillaExpression: public XERCES_CPP_NAMESPACE_QUALIFIER DOMXPathExpression
{
public:
  // -----------------------------------------------------------------------
  //  All constructors are hidden, just the destructor is available
  // -----------------------------------------------------------------------
  virtual ~XQillaExpression() {}
  
  // -----------------------------------------------------------------------
  // Virtual XQillaExpression interface
  // -----------------------------------------------------------------------
  virtual void* evaluate(XERCES_CPP_NAMESPACE_QUALIFIER DOMNode* contextNode,
                         unsigned short type,
                         void* reuseableResult) const = 0;


  virtual void release() = 0;
protected:
  // -----------------------------------------------------------------------
  //  Hidden constructors
  // -----------------------------------------------------------------------
  XQillaExpression() {};
};//XQillaExpression

#endif //__XQILLAEXPRESSION_HPP

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