DOMXPathEvaluator.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: DOMXPathEvaluator.hpp 698579 2008-09-24 14:13:08Z borisk $
 */

#if !defined(XERCESC_INCLUDE_GUARD_DOMXPATHEVALUATOR_HPP)
#define XERCESC_INCLUDE_GUARD_DOMXPATHEVALUATOR_HPP

#include <xercesc/util/XercesDefs.hpp>
#include <xercesc/dom/DOMXPathResult.hpp>

XERCES_CPP_NAMESPACE_BEGIN

class DOMXPathNSResolver;
class DOMXPathExpression;
class DOMNode;

class CDOM_EXPORT DOMXPathEvaluator
{

protected:
    // -----------------------------------------------------------------------
    //  Hidden constructors
    // -----------------------------------------------------------------------
    DOMXPathEvaluator() {};

private:
    // -----------------------------------------------------------------------
    // Unimplemented constructors and operators
    // -----------------------------------------------------------------------
    DOMXPathEvaluator(const DOMXPathEvaluator &);
    DOMXPathEvaluator& operator = (const  DOMXPathEvaluator&);

public:
    // -----------------------------------------------------------------------
    //  All constructors are hidden, just the destructor is available
    // -----------------------------------------------------------------------
    virtual ~DOMXPathEvaluator() {};

    // -----------------------------------------------------------------------
    // Virtual DOMXPathEvaluator interface
    // -----------------------------------------------------------------------

    virtual DOMXPathExpression* createExpression(const XMLCh *expression,
                                                 const DOMXPathNSResolver *resolver) = 0;


    virtual DOMXPathNSResolver* createNSResolver(const DOMNode *nodeResolver) = 0;


    virtual DOMXPathResult* evaluate(const XMLCh *expression,
                                     const DOMNode *contextNode,
                                     const DOMXPathNSResolver *resolver,
                                     DOMXPathResult::ResultType type,
                                     DOMXPathResult* result) = 0;

};

XERCES_CPP_NAMESPACE_END

#endif