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DSIGXPathHere.hpp

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/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2002 Berin Lautenbach.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by
 *                   Berin Lautenbach"
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "XSEC", "xml-security-c" and Berin Lautenbach must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact berin@users.sourceforge.net.
 *
 * 5. Products derived from this software may not be called "xml-security-c",
 *    nor may "xml-security-c" appear in their name, without prior written
 *    permission of Berin Lautenbach.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL BERIN LAUTENBACH OR OTHER
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 */

/*
 * XSEC
 *
 * DSIGXPathHere := Implementation of the "here()" XPath function.
 *
 */

#include <xsec/framework/XSECDefs.hpp>

#include <xercesc/util/PlatformUtils.hpp>

#ifndef XSEC_NO_XALAN

#include <Include/PlatformDefinitions.hpp>
#include <XalanTransformer/XalanTransformer.hpp>
#include <XPath/XObjectFactory.hpp>
#include <XalanDOM/XalanElement.hpp>
#include <XalanDOM/XalanNode.hpp>
#include <XalanDOM/XalanDocument.hpp>
#include <XPath/Function.hpp>
#include <XPath/XObjectTypeCallback.hpp>
#include <XPath/MutableNodeRefList.hpp>
#include <XPath/NodeRefListBase.hpp>

// Namespace usage

XALAN_USING_XALAN(Function)
XALAN_USING_XALAN(XalanNode)
XALAN_USING_XALAN(XPathExecutionContext)
XALAN_USING_XALAN(XalanDOMString)
XALAN_USING_XALAN(XObjectPtr)
XALAN_USING_XALAN(StaticStringToDOMString)


#endif

#ifndef XSEC_NO_XPATH

// If there is no XPath then let's not even bother with this class.

class DSIGXPathHere : public Function {

private:

    XalanNode * XalanHereNode;

public:

    DSIGXPathHere();
    DSIGXPathHere(XalanNode *here);

    virtual
    ~DSIGXPathHere();

    // These methods are inherited from Function ...

    virtual XObjectPtr
    execute(
            XPathExecutionContext&  executionContext,
            XalanNode*              context,
            //const XObjectPtr      arg1,
            const Locator*          locator) const;

#if defined(XSEC_NO_COVARIANT_RETURN_TYPE)
    virtual Function*
#else
    virtual DSIGXPathHere*
#endif
    clone() const;

protected:

    const XalanDOMString
    getError() const;

private:

    // Not implemented...
    DSIGXPathHere&
    operator=(const DSIGXPathHere&);

    bool
    operator==(const DSIGXPathHere&) const;
};

#endif

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