DSIGTransformXPath.hpp

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/*
 * Copyright 2002-2005 The Apache Software Foundation.
 *
 * Licensed 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.
 */

/*
 * XSEC
 *
 * DSIGTransformXPath := Class that performs XPath transforms
 *
 * $Id: DSIGTransformXPath.hpp,v 1.12 2005/06/04 11:30:25 blautenb Exp $
 *
 */

#ifndef DSIGTRANSFORMXPATH_INCLUDE
#define DSIGTRANSFORMXPATH_INCLUDE

#include <xsec/dsig/DSIGTransform.hpp>
#include <xsec/utils/XSECSafeBuffer.hpp>


XSEC_DECLARE_XERCES_CLASS(DOMNamedNodeMap);
XSEC_DECLARE_XERCES_CLASS(DOMNode);

class DSIG_EXPORT DSIGTransformXPath : public DSIGTransform {

public:

    
    DSIGTransformXPath(const XSECEnv * env, XERCES_CPP_NAMESPACE_QUALIFIER DOMNode * node);

    DSIGTransformXPath(const XSECEnv * env);
          
    virtual ~DSIGTransformXPath();
    


    virtual transformType getTransformType();

    virtual void appendTransformer(TXFMChain * input);

    virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * createBlankTransform(
        XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument * parentDoc);

    virtual void load(void);



    void setExpression(const char * expr);

    const char * getExpression(void);

    void setNamespace(const char * prefix, const char * value);

    XERCES_CPP_NAMESPACE_QUALIFIER DOMNamedNodeMap * getNamespaces(void) {
        return mp_NSMap;
    }

    void deleteNamespace(const char * prefix);

    
private:

    DSIGTransformXPath();
    DSIGTransformXPath(const DSIGTransformXPath & theOther);

    safeBuffer                  m_expr;
    XERCES_CPP_NAMESPACE_QUALIFIER DOMNode                      
                                * mp_exprTextNode;
    XERCES_CPP_NAMESPACE_QUALIFIER DOMNode                      
                                * mp_xpathNode;
    XERCES_CPP_NAMESPACE_QUALIFIER DOMNamedNodeMap      
                                * mp_NSMap;


};

#endif /* DSIGTRANSFORMXPATH_INCLUDE */

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