Chris@16: //  (C) Copyright Gennadiy Rozental 2005-2008.
Chris@16: //  Use, modification, and distribution are subject to the 
Chris@16: //  Boost Software License, Version 1.0. (See accompanying file 
Chris@16: //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org/libs/test for the library home page.
Chris@16: //
Chris@16: //  File        : $RCSfile$
Chris@16: //
Chris@101: //  Version     : $Revision$
Chris@16: //
Chris@16: //  Description : defines model of formal parameter
Chris@16: // ***************************************************************************
Chris@16: 
Chris@16: #ifndef BOOST_RT_CLA_PARAMETER_HPP_062604GER
Chris@16: #define BOOST_RT_CLA_PARAMETER_HPP_062604GER
Chris@16: 
Chris@16: // Boost.Runtime.Parameter
Chris@16: #include <boost/test/utils/runtime/config.hpp>
Chris@16: 
Chris@16: #include <boost/test/utils/runtime/fwd.hpp>
Chris@16: #include <boost/test/utils/runtime/parameter.hpp>
Chris@16: #include <boost/test/utils/runtime/validation.hpp>
Chris@16: 
Chris@16: #include <boost/test/utils/runtime/cla/fwd.hpp>
Chris@16: #include <boost/test/utils/runtime/cla/modifier.hpp>
Chris@16: #include <boost/test/utils/runtime/cla/iface/argument_factory.hpp>
Chris@16: #include <boost/test/utils/runtime/cla/iface/id_policy.hpp>
Chris@16: 
Chris@16: // Boost.Test
Chris@16: #include <boost/test/utils/rtti.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: namespace BOOST_RT_PARAM_NAMESPACE {
Chris@16: 
Chris@16: namespace cla {
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************            runtime::cla::parameter           ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: class parameter : public BOOST_RT_PARAM_NAMESPACE::parameter {
Chris@16: public:
Chris@16:     parameter( identification_policy& ID, argument_factory& F, bool optional_value = false )
Chris@16:     : p_optional( false )
Chris@16:     , p_multiplicable( false )
Chris@16:     , p_optional_value( optional_value )
Chris@16:     , m_id_policy( ID )
Chris@16:     , m_arg_factory( F )
Chris@16:     {}
Chris@16: 
Chris@16:     // Destructor
Chris@16:     virtual         ~parameter()                                {}
Chris@16: 
Chris@16:     unit_test::readwrite_property<bool>      p_optional;
Chris@16:     unit_test::readwrite_property<bool>      p_multiplicable;
Chris@16:     unit_test::readwrite_property<bool>      p_optional_value;
Chris@16:     unit_test::readwrite_property<dstring>   p_description;
Chris@16: 
Chris@16:     // parameter properties modification
Chris@16:     template<typename Modifier>
Chris@16:     void            accept_modifier( Modifier const& m )
Chris@16:     {
Chris@16:         if( m.has( optional_m ) )
Chris@16:             p_optional.value = true;
Chris@16: 
Chris@16:         if( m.has( required_m ) )
Chris@16:             p_optional.value = false;
Chris@16: 
Chris@16:         if( m.has( multiplicable_m ) )
Chris@16:             p_multiplicable.value = true;
Chris@16: 
Chris@16:         if( m.has( optional_value_m ) )
Chris@16:             p_optional_value.value = true;
Chris@16: 
Chris@16:         nfp::optionally_assign( p_description.value, m, description );
Chris@16:     }
Chris@16: 
Chris@16:     // access methods
Chris@16:     bool            has_argument() const                        { return m_actual_argument!=0; }
Chris@16:     argument const& actual_argument() const                     { return *m_actual_argument; }
Chris@16:     argument_ptr    actual_argument()                           { return m_actual_argument; }
Chris@16: 
Chris@16: 
Chris@16:     // identification interface
Chris@16:     bool            responds_to( cstring name ) const           { return m_id_policy.responds_to( name ); }
Chris@16:     bool            conflict_with( parameter const& p ) const
Chris@16:     {
Chris@16:         return (id_2_report() == p.id_2_report() && !id_2_report().is_empty())  ||
Chris@16:                m_id_policy.conflict_with( p.m_id_policy )                       || 
Chris@16:                ((m_id_policy.p_type_id != p.m_id_policy.p_type_id) && p.m_id_policy.conflict_with( m_id_policy ));
Chris@16:     }
Chris@16:     cstring         id_2_report() const                         { return m_id_policy.id_2_report(); }
Chris@16:     void            usage_info( format_stream& fs ) const
Chris@16:     { 
Chris@16:         m_id_policy.usage_info( fs );
Chris@16:         if( p_optional_value )
Chris@16:             fs << BOOST_RT_PARAM_LITERAL( '[' );
Chris@16: 
Chris@16:         m_arg_factory.argument_usage_info( fs );
Chris@16: 
Chris@16:         if( p_optional_value )
Chris@16:             fs << BOOST_RT_PARAM_LITERAL( ']' );
Chris@16:     }
Chris@16: 
Chris@16:     // argument match/produce based on input
Chris@16:     bool            matching( argv_traverser& tr, bool primary ) const
Chris@16:     {
Chris@16:         return m_id_policy.matching( *this, tr, primary );
Chris@16:     }
Chris@16: 
Chris@16:     // argument production based on different source
Chris@16:     void            produce_argument( argv_traverser& tr )
Chris@16:     {
Chris@16:         m_id_policy.matching( *this, tr, true ); // !! can we save this position somehow
Chris@16:         m_actual_argument = m_arg_factory.produce_using( *this, tr );
Chris@16:     }
Chris@16:     void            produce_argument( parser const& p )
Chris@16:     {
Chris@16:         m_actual_argument = m_arg_factory.produce_using( *this, p );
Chris@16:     }
Chris@16: 
Chris@16: private:
Chris@16:     //Data members
Chris@16:     identification_policy&  m_id_policy;
Chris@16:     argument_factory&       m_arg_factory;
Chris@16:     argument_ptr            m_actual_argument;
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename Parameter,typename Modifier>
Chris@16: inline shared_ptr<Parameter>
Chris@16: operator-( shared_ptr<Parameter> p, Modifier const& m )
Chris@16: {
Chris@16:     p->accept_modifier( m );
Chris@16: 
Chris@16:     return p;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: } // namespace cla
Chris@16: 
Chris@16: } // namespace BOOST_RT_PARAM_NAMESPACE
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // BOOST_RT_CLA_PARAMETER_HPP_062604GER