DOMXPathExpression.hpp

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/*
 * $Id$
 */
 
#if !defined(XERCESC_INCLUDE_GUARD_DOMXPATHEXPRESSION_HPP)
#define XERCESC_INCLUDE_GUARD_DOMXPATHEXPRESSION_HPP
 
#include <xercesc/util/XercesDefs.hpp>
#include <xercesc/dom/DOMXPathResult.hpp>
 
XERCES_CPP_NAMESPACE_BEGIN
 
class DOMNode;
 
class CDOM_EXPORT DOMXPathExpression
{
 
protected:
    // -----------------------------------------------------------------------
    //  Hidden constructors
    // -----------------------------------------------------------------------
    DOMXPathExpression() {};
 
private:
    // -----------------------------------------------------------------------
    // Unimplemented constructors and operators
    // -----------------------------------------------------------------------
    DOMXPathExpression(const DOMXPathExpression &);
    DOMXPathExpression& operator = (const  DOMXPathExpression&);
 
public:
    // -----------------------------------------------------------------------
    //  All constructors are hidden, just the destructor is available
    // -----------------------------------------------------------------------
    virtual ~DOMXPathExpression() {};
 
    // -----------------------------------------------------------------------
    // Virtual DOMXPathExpression interface
    // -----------------------------------------------------------------------
 
    virtual DOMXPathResult* evaluate(const DOMNode *contextNode,
                                     DOMXPathResult::ResultType type,
                                     DOMXPathResult* result) const = 0;
 
    // -----------------------------------------------------------------------
    //  Non-standard Extension
    // -----------------------------------------------------------------------
    virtual void release() = 0;
 
};
 
XERCES_CPP_NAMESPACE_END
 
#endif