1 | // (C) Copyright Gennadiy Rozental 2001. |
2 | // Distributed under the Boost Software License, Version 1.0. |
3 | // (See accompanying file LICENSE_1_0.txt or copy at |
4 | // 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 : $Revision$ |
11 | // |
12 | // Description : implements fetching absent parameter athuments from environment |
13 | // *************************************************************************** |
14 | |
15 | #ifndef BOOST_TEST_UTILS_RUNTIME_ENV_FETCH_HPP |
16 | #define BOOST_TEST_UTILS_RUNTIME_ENV_FETCH_HPP |
17 | |
18 | // Boost.Test Runtime parameters |
19 | #include <boost/test/utils/runtime/parameter.hpp> |
20 | #include <boost/test/utils/runtime/argument.hpp> |
21 | |
22 | #include <boost/test/detail/suppress_warnings.hpp> |
23 | |
24 | // C Runtime |
25 | #include <stdlib.h> |
26 | |
27 | namespace boost { |
28 | namespace runtime { |
29 | namespace env { |
30 | |
31 | namespace env_detail { |
32 | |
33 | #ifndef UNDER_CE |
34 | |
35 | #ifdef BOOST_MSVC |
36 | #pragma warning(push) |
37 | #pragma warning(disable:4996) // getenv |
38 | #endif |
39 | |
40 | inline std::pair<cstring,bool> |
41 | sys_read_var( cstring var_name ) |
42 | { |
43 | using namespace std; |
44 | char const* res = getenv( name: var_name.begin() ); |
45 | |
46 | return std::make_pair( x: cstring(res), y: res != NULL ); |
47 | } |
48 | |
49 | #ifdef BOOST_MSVC |
50 | #pragma warning(pop) |
51 | #endif |
52 | |
53 | #else |
54 | |
55 | inline std::pair<cstring,bool> |
56 | sys_read_var( cstring var_name ) |
57 | { |
58 | return std::make_pair( cstring(), false ); |
59 | } |
60 | |
61 | #endif |
62 | |
63 | //____________________________________________________________________________// |
64 | |
65 | template<typename ReadFunc> |
66 | inline void |
67 | fetch_absent( parameters_store const& params, runtime::arguments_store& args, ReadFunc read_func ) |
68 | { |
69 | BOOST_TEST_FOREACH( parameters_store::storage_type::value_type const&, v, params.all() ) { |
70 | basic_param_ptr param = v.second; |
71 | |
72 | if( args.has( parameter_name: param->p_name ) || param->p_env_var.empty() ) |
73 | continue; |
74 | |
75 | std::pair<cstring,bool> value = read_func( param->p_env_var ); |
76 | |
77 | if( !value.second ) |
78 | continue; |
79 | |
80 | // Validate against unexpected empty value |
81 | BOOST_TEST_I_ASSRT( !value.first.is_empty() || param->p_has_optional_value, |
82 | format_error( param->p_name ) |
83 | << "Missing an argument value for the parameter " << param->p_name |
84 | << " in the environment." ); |
85 | |
86 | // Produce argument value |
87 | param->produce_argument( token: value.first, negative_form: false, store&: args ); |
88 | |
89 | } |
90 | } |
91 | |
92 | //____________________________________________________________________________// |
93 | |
94 | } // namespace env_detail |
95 | |
96 | inline void |
97 | fetch_absent( parameters_store const& params, runtime::arguments_store& args ) |
98 | { |
99 | env_detail::fetch_absent( params, args, read_func: &env_detail::sys_read_var ); |
100 | } |
101 | |
102 | } // namespace env |
103 | } // namespace runtime |
104 | } // namespace boost |
105 | |
106 | #include <boost/test/detail/enable_warnings.hpp> |
107 | |
108 | #endif // BOOST_TEST_UTILS_RUNTIME_ENV_FETCH_HPP |
109 | |