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// (C) Copyright Gennadiy Rozental 2005-2008.
// Distributed under 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: 57992 $
//
// Description : implements model of program environment
// ***************************************************************************
#ifndef NDNBOOST_RT_ENV_ENVIRONMENT_IPP_062904GER
#define NDNBOOST_RT_ENV_ENVIRONMENT_IPP_062904GER
// Boost.Runtime.Parameter
#include <ndnboost/test/utils/runtime/config.hpp>
#include <ndnboost/test/utils/runtime/validation.hpp>
#include <ndnboost/test/utils/runtime/env/variable.hpp>
// Boost.Test
#include <ndnboost/test/utils/basic_cstring/compare.hpp>
#include <ndnboost/test/utils/basic_cstring/io.hpp>
// STL
#include <map>
#include <list>
namespace ndnboost {
namespace NDNBOOST_RT_PARAM_NAMESPACE {
namespace environment {
// ************************************************************************** //
// ************** runtime::environment ************** //
// ************************************************************************** //
namespace rt_env_detail {
typedef std::map<cstring,rt_env_detail::variable_data> registry;
typedef std::list<dstring> keys;
NDNBOOST_RT_PARAM_INLINE registry& s_registry() { static registry instance; return instance; }
NDNBOOST_RT_PARAM_INLINE keys& s_keys() { static keys instance; return instance; }
NDNBOOST_RT_PARAM_INLINE variable_data&
new_var_record( cstring var_name )
{
// save the name in list of keys
s_keys().push_back( dstring() );
dstring& key = s_keys().back();
assign_op( key, var_name, 0 );
// create and return new record
variable_data& new_var_data = s_registry()[key];
new_var_data.m_var_name = key;
return new_var_data;
}
//____________________________________________________________________________//
NDNBOOST_RT_PARAM_INLINE variable_data*
find_var_record( cstring var_name )
{
registry::iterator it = s_registry().find( var_name );
return it == s_registry().end() ? 0 : &(it->second);
}
//____________________________________________________________________________//
#ifdef NDNBOOST_MSVC
#pragma warning(push)
#pragma warning(disable:4996) // getenv
#endif
NDNBOOST_RT_PARAM_INLINE cstring
sys_read_var( cstring var_name )
{
using namespace std;
return NDNBOOST_RT_PARAM_GETENV( var_name.begin() );
}
#ifdef NDNBOOST_MSVC
#pragma warning(pop)
#endif
//____________________________________________________________________________//
NDNBOOST_RT_PARAM_INLINE void
sys_write_var( cstring var_name, format_stream& var_value )
{
NDNBOOST_RT_PARAM_PUTENV( var_name, cstring( var_value.str() ) );
}
//____________________________________________________________________________//
} // namespace rt_env_detail
NDNBOOST_RT_PARAM_INLINE variable_base
var( cstring var_name )
{
rt_env_detail::variable_data* vd = rt_env_detail::find_var_record( var_name );
NDNBOOST_RT_PARAM_VALIDATE_LOGIC( !!vd,
NDNBOOST_RT_PARAM_LITERAL( "First access to the environment variable " )
<< var_name << NDNBOOST_RT_PARAM_LITERAL( " should be typed" ) );
return variable_base( *vd );
}
//____________________________________________________________________________//
} // namespace environment
} // namespace NDNBOOST_RT_PARAM_NAMESPACE
} // namespace ndnboost
#endif // NDNBOOST_RT_ENV_ENVIRONMENT_IPP_062904GER