//  (C) Copyright Gennadiy Rozental 2005-2007.

//  Permission to copy, use, modify, sell and distribute this software

//  is granted provided this copyright notice appears in all copies.

//  This software is provided "as is" without express or implied warranty,

//  and with no claim as to its suitability for any purpose.

  

//  See http://www.boost.org for updates, documentation, and revision history.

//

//  File        : $RCSfile$

//

//  Version     : $Revision: 43798 $

//

//  Description : argument usage printing helpers

// ***************************************************************************



#ifndef BOOST_RT_CLA_ARGUMENT_VALUE_USAGE_HPP_062604GER

#define BOOST_RT_CLA_ARGUMENT_VALUE_USAGE_HPP_062604GER



// Boost.Runtime.Parameter

#include <boost/test/utils/runtime/config.hpp>

#include <boost/test/utils/runtime/cla/argv_traverser.hpp>



// Boost.Test

#include <boost/test/utils/basic_cstring/io.hpp>

#include <boost/test/utils/basic_cstring/compare.hpp>



#include <boost/lexical_cast.hpp>



// STL

// !! could we eliminate these includes?

#include <list>



namespace boost {



namespace BOOST_RT_PARAM_NAMESPACE {



namespace cla {



namespace rt_cla_detail {



// ************************************************************************** //

// **************             argument_value_usage             ************** //

// ************************************************************************** //



// generic case

template<typename T>

inline void

argument_value_usage( format_stream& fs, long, T* = 0 )

{

    fs << BOOST_RT_PARAM_CSTRING_LITERAL( "<value>" );

}



//____________________________________________________________________________//



// specialization for list of values

template<typename T>

inline void

argument_value_usage( format_stream& fs, int, std::list<T>* = 0 )

{

    fs << BOOST_RT_PARAM_CSTRING_LITERAL( "(<value1>, ..., <valueN>)" );

}



//____________________________________________________________________________//



// specialization for type bool

inline void

argument_value_usage( format_stream& fs,  int, bool* = 0 )

{

    fs << BOOST_RT_PARAM_CSTRING_LITERAL( "[yes|y|no|n]" );

}



//____________________________________________________________________________//



} // namespace rt_cla_detail



} // namespace cla



} // namespace BOOST_RT_PARAM_NAMESPACE



} // namespace boost



#endif // BOOST_RT_CLA_ARGUMENT_VALUE_USAGE_HPP_062604GER

