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      1 //  (C) Copyright Gennadiy Rozental 2005-2008.
      2 //  Use, modification, and distribution are subject to the
      3 //  Boost Software License, Version 1.0. (See accompanying file
      4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
      5 
      6 //  See http://www.boost.org/libs/test for the library home page.
      7 //
      8 //  File        : $RCSfile$
      9 //
     10 //  Version     : $Revision: 49312 $
     11 //
     12 //  Description : specific value generators
     13 // ***************************************************************************
     14 
     15 #ifndef BOOST_RT_CLA_VALUE_GENERATOR_HPP_062604GER
     16 #define BOOST_RT_CLA_VALUE_GENERATOR_HPP_062604GER
     17 
     18 // Boost.Runtime.Parameter
     19 #include <boost/test/utils/runtime/config.hpp>
     20 
     21 #include <boost/test/utils/runtime/cla/fwd.hpp>
     22 #include <boost/test/utils/runtime/cla/parser.hpp>
     23 
     24 namespace boost {
     25 
     26 namespace BOOST_RT_PARAM_NAMESPACE {
     27 
     28 namespace cla {
     29 
     30 namespace rt_cla_detail {
     31 
     32 // ************************************************************************** //
     33 // **************        runtime::cla::const_generator         ************** //
     34 // ************************************************************************** //
     35 
     36 template<typename T>
     37 class const_generator {
     38 public:
     39     // Constructor
     40     explicit    const_generator( T const& t ) : m_const_value( t ) {}
     41 
     42     // generator interface
     43     void        operator()( parser const&, boost::optional<T>& t ) const   { t = m_const_value; }
     44 
     45 private:
     46     // Data members
     47     T           m_const_value;
     48 };
     49 
     50 // ************************************************************************** //
     51 // **************         runtime::cla::ref_generator          ************** //
     52 // ************************************************************************** //
     53 
     54 template<typename T>
     55 class ref_generator {
     56 public:
     57     // Constructor
     58     explicit    ref_generator( cstring ref_id ) : m_ref_id( ref_id ) {}
     59 
     60     // generator interface
     61     void        operator()( parser const& p, boost::optional<T>& t ) const
     62     {
     63         p.get( m_ref_id, t );
     64     }
     65 
     66 private:
     67     // Data members
     68     cstring     m_ref_id;
     69 };
     70 
     71 //____________________________________________________________________________//
     72 
     73 } // namespace rt_cla_detail
     74 
     75 } // namespace cla
     76 
     77 } // namespace BOOST_RT_PARAM_NAMESPACE
     78 
     79 } // namespace boost
     80 
     81 #endif // BOOST_RT_CLA_VALUE_GENERATOR_HPP_062604GER
     82