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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
*
* XSECTXFMInputSource := Transfomer InputSource for Xerces Parser.
*
* $Id: XSECTXFMInputSource.hpp 351214 2005-02-03 13:58:14Z milan $
*
*/
#ifndef XSECTXFMINPUTSOURCE_INCLUDE
#define XSECTXFMINPUTSOURCE_INCLUDE
#include <xsec/framework/XSECDefs.hpp>
#include <xercesc/sax/InputSource.hpp>
class TXFMChain;
XSEC_DECLARE_XERCES_CLASS(BinInputStream);
/**
* @brief InputSource wrapper for a TXFMList.
* @ingroup interfaces
*
* This class provides a wrapper for a TXFMList. It is used to provide
* an input to the Xerces Parser.
*
* @note This is a one-off use class. In the process of providing bytes to
* the parser, it runs through the transforms, which (currently) cannot be
* reset.
*
*/
class DSIG_EXPORT XSECTXFMInputSource : public XERCES_CPP_NAMESPACE_QUALIFIER InputSource
{
public :
/** @name Constructors and Destructors */
//@{
/**
* \brief Construct around an existing transform list
*
* @param lst The final TXFM element in the input chain.
* @param deleteWhenDone Flag to instruct the class to delete the chain when
* done. By default set to true.
*/
XSECTXFMInputSource(TXFMChain * lst, bool deleteWhenDone = true);
/**
* \brief Destructor
*
* Delete the object. If deleteWhenDone was set during construction, will
* delete the chain if it has not already been done.
*/
virtual ~XSECTXFMInputSource();
//@}
/** @name Stream management methods */
//@{
/**
* \brief Interface method
*
* Returns an InputStream that can be read by the parser
*/
XERCES_CPP_NAMESPACE_QUALIFIER BinInputStream* makeStream() const;
//@}
private :
mutable TXFMChain * mp_chain; // End point of list
bool m_deleteWhenDone; // Do we delete?
};
#endif /* XSECTXFMINPUTSOURCE_INCLUDE */
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