Imported existing code

libraries/include/boost/test/utils/runtime/cla/positional_parameter.hpp

@@ -0,0 +1,91 @@
+//  (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: 49312 $
+//
+//  Description : positional parameter model
+// ***************************************************************************
+
+#ifndef BOOST_RT_CLA_POSITIONAL_PARAMETER_HPP_062604GER
+#define BOOST_RT_CLA_POSITIONAL_PARAMETER_HPP_062604GER
+
+// Boost.Runtime.Parameter
+#include <boost/test/utils/runtime/config.hpp>
+
+#include <boost/test/utils/runtime/cla/basic_parameter.hpp>
+
+namespace boost {
+
+namespace BOOST_RT_PARAM_NAMESPACE {
+
+namespace cla {
+
+// ************************************************************************** //
+// **************              single_name_policy              ************** //
+// ************************************************************************** //
+
+class trivial_id_policy : public identification_policy {
+public:
+    trivial_id_policy()
+    : identification_policy( rtti::type_id<trivial_id_policy>() )
+    {}
+    BOOST_RT_PARAM_UNNEEDED_VIRTUAL ~trivial_id_policy() {}
+
+    virtual bool    responds_to( cstring name ) const                       { return m_name == name; }
+    virtual bool    conflict_with( identification_policy const& ) const     { return false; }
+    virtual cstring id_2_report() const                                     { return m_name; }
+    virtual void    usage_info( format_stream& fs ) const
+    { 
+        if( !m_name.empty() )
+            fs << BOOST_RT_PARAM_LITERAL( '<' ) << m_name << BOOST_RT_PARAM_LITERAL( '>' );
+        else
+            fs << BOOST_RT_PARAM_CSTRING_LITERAL( "<value>" );
+    }
+
+    virtual bool    matching( parameter const& p, argv_traverser&, bool primary ) const
+    {
+        return primary && ( !p.has_argument() || p.p_multiplicable );
+    }
+
+    template<typename Modifier>
+    void            accept_modifier( Modifier const& m )
+    {
+        nfp::optionally_assign( m_name, m, name );
+    }
+
+private:
+    // Data members
+    dstring      m_name;
+};
+
+// ************************************************************************** //
+// **************      runtime::cla::positional_parameter      ************** //
+// ************************************************************************** //
+
+template<typename T>
+class positional_parameter_t : public basic_parameter<T,trivial_id_policy> {
+    typedef basic_parameter<T,trivial_id_policy> base;
+public:
+    // Constructors
+    explicit    positional_parameter_t( cstring name )
+    : base( name )
+    {}
+};
+
+//____________________________________________________________________________//
+
+BOOST_RT_CLA_NAMED_PARAM_GENERATORS( positional_parameter )
+
+} // namespace cla
+
+} // namespace BOOST_RT_PARAM_NAMESPACE
+
+} // namespace boost
+
+#endif // BOOST_RT_CLA_POSITIONAL_PARAMETER_HPP_062604GER