text: // @HEADER
  // ***********************************************************************
  //
  //                    Teuchos: Common Tools Package
  //                 Copyright (2004) Sandia Corporation
  //
  // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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  // documentation and/or other materials provided with the distribution.
  //
  // 3. Neither the name of the Corporation nor the names of the
  // contributors may be used to endorse or promote products derived from
  // this software without specific prior written permission.
  //
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  // @HEADER
  
  #ifndef TEUCHOS_XMLINPUTSTREAM_H
  #define TEUCHOS_XMLINPUTSTREAM_H
  
  /*! \file Teuchos_XMLInputStream.hpp
      \brief A base class for defining a XML input stream
  */
  
  #include "Teuchos_ConfigDefs.hpp"
  
  namespace Teuchos
  {
    /** \brief XMLInputStream represents an XML input stream
    *	that can be used by a XMLInputSource
    */
    class XMLInputStream
      {
      public:
        /** \brief Constructor */
        XMLInputStream(){;}
  
        /** \brief Destructor */
        inline virtual ~XMLInputStream(){;}
  
        /** \brief Read up to maxToRead bytes from the stream */
        virtual unsigned int readBytes(unsigned char* const toFill,
                                       const unsigned int maxToRead) = 0 ;
  
        /** \brief Identify current position */
        virtual unsigned int curPos() const ;
  
      };
  }
  #endif
  
  