//  (C) Copyright Gennadiy Rozental 2005-2008.
//  Use, modification, and distribution are subject to the 
//  Boost Software License, Version 1.0. (See accompanying file 
//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org/libs/test for the library home page.
//
//  File        : $RCSfile$
//
//  Version     : $Revision: 54633 $
//
//  Description : defines interface for argument_factory
// ***************************************************************************

#ifndef NDNBOOST_RT_CLA_IFACE_ARGUMENT_FACTORY_HPP_062604GER
#define NDNBOOST_RT_CLA_IFACE_ARGUMENT_FACTORY_HPP_062604GER

// Boost.Runtime.Parameter
#include <ndnboost/test/utils/runtime/config.hpp>
#include <ndnboost/test/utils/runtime/fwd.hpp>

#include <ndnboost/test/utils/runtime/cla/fwd.hpp>

namespace ndnboost {

namespace NDNBOOST_RT_PARAM_NAMESPACE {

namespace cla {

// ************************************************************************** //
// **************                argument_factory              ************** //
// ************************************************************************** //
// another name can be argument production policy

class argument_factory {
public:
    // Argument factory interface
    virtual argument_ptr produce_using( parameter& p, argv_traverser& tr ) = 0;  /// produce argument based on input
    virtual argument_ptr produce_using( parameter& p, parser const& )      = 0;  /// produce argument based on internal generator and/or values of other parameters
    virtual void         argument_usage_info( format_stream& fs )          = 0;  /// argument value format information
protected:
    NDNBOOST_TEST_PROTECTED_VIRTUAL ~argument_factory() {}
};

} // namespace ndnboost

} // namespace NDNBOOST_RT_PARAM_NAMESPACE

} // namespace cla

#endif // NDNBOOST_RT_CLA_IFACE_ARGUMENT_FACTORY_HPP_062604GER