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			2.8 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			109 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | //  (C) Copyright Gennadiy Rozental 2001. | ||
|  | //  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     : $Revision$ | ||
|  | // | ||
|  | //  Description : implements fetching absent parameter athuments from environment | ||
|  | // *************************************************************************** | ||
|  | 
 | ||
|  | #ifndef BOOST_TEST_UTILS_RUNTIME_ENV_FETCH_HPP | ||
|  | #define BOOST_TEST_UTILS_RUNTIME_ENV_FETCH_HPP | ||
|  | 
 | ||
|  | // Boost.Test Runtime parameters | ||
|  | #include <boost/test/utils/runtime/parameter.hpp> | ||
|  | #include <boost/test/utils/runtime/argument.hpp> | ||
|  | 
 | ||
|  | #include <boost/test/detail/suppress_warnings.hpp> | ||
|  | 
 | ||
|  | // C Runtime | ||
|  | #include <stdlib.h> | ||
|  | 
 | ||
|  | namespace boost { | ||
|  | namespace runtime { | ||
|  | namespace env { | ||
|  | 
 | ||
|  | namespace env_detail { | ||
|  | 
 | ||
|  | #ifndef UNDER_CE | ||
|  | 
 | ||
|  | #ifdef BOOST_MSVC | ||
|  | #pragma warning(push) | ||
|  | #pragma warning(disable:4996) // getenv | ||
|  | #endif | ||
|  | 
 | ||
|  | inline std::pair<cstring,bool> | ||
|  | sys_read_var( cstring var_name ) | ||
|  | { | ||
|  |     using namespace std; | ||
|  |     char const* res = getenv( var_name.begin() ); | ||
|  | 
 | ||
|  |     return std::make_pair( cstring(res), res != NULL ); | ||
|  | } | ||
|  | 
 | ||
|  | #ifdef BOOST_MSVC | ||
|  | #pragma warning(pop) | ||
|  | #endif | ||
|  | 
 | ||
|  | #else | ||
|  | 
 | ||
|  | inline std::pair<cstring,bool> | ||
|  | sys_read_var( cstring var_name ) | ||
|  | { | ||
|  |     return std::make_pair( cstring(), false ); | ||
|  | } | ||
|  | 
 | ||
|  | #endif | ||
|  | 
 | ||
|  | //____________________________________________________________________________// | ||
|  | 
 | ||
|  | template<typename ReadFunc> | ||
|  | inline void | ||
|  | fetch_absent( parameters_store const& params, runtime::arguments_store& args, ReadFunc read_func ) | ||
|  | { | ||
|  |     BOOST_TEST_FOREACH( parameters_store::storage_type::value_type const&, v, params.all() ) { | ||
|  |         basic_param_ptr param = v.second; | ||
|  | 
 | ||
|  |         if( args.has( param->p_name ) || param->p_env_var.empty() ) | ||
|  |             continue; | ||
|  | 
 | ||
|  |         std::pair<cstring,bool> value = read_func( param->p_env_var ); | ||
|  | 
 | ||
|  |         if( !value.second ) | ||
|  |             continue; | ||
|  | 
 | ||
|  |         // Validate against unexpected empty value | ||
|  |         BOOST_TEST_I_ASSRT( !value.first.is_empty() || param->p_has_optional_value, | ||
|  |             format_error( param->p_name )  | ||
|  |                 << "Missing an argument value for the parameter " << param->p_name | ||
|  |                 << " in the environment." ); | ||
|  | 
 | ||
|  |         // Produce argument value | ||
|  |         param->produce_argument( value.first, false, args ); | ||
|  | 
 | ||
|  |     } | ||
|  | } | ||
|  | 
 | ||
|  | //____________________________________________________________________________// | ||
|  | 
 | ||
|  | } // namespace env_detail | ||
|  | 
 | ||
|  | inline void | ||
|  | fetch_absent( parameters_store const& params, runtime::arguments_store& args ) | ||
|  | { | ||
|  |     env_detail::fetch_absent( params, args, &env_detail::sys_read_var ); | ||
|  | } | ||
|  | 
 | ||
|  | } // namespace env | ||
|  | } // namespace runtime | ||
|  | } // namespace boost | ||
|  | 
 | ||
|  | #include <boost/test/detail/enable_warnings.hpp> | ||
|  | 
 | ||
|  | #endif // BOOST_TEST_UTILS_RUNTIME_ENV_FETCH_HPP |