xref: /netbsd-src/external/bsd/atf/dist/tools/atf-config.cpp (revision 3816d47b2c42fcd6e549e3407f842a5b1a1d23ad)
1 //
2 // Automated Testing Framework (atf)
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29 
30 #include <cstdlib>
31 #include <iostream>
32 #include <map>
33 #include <string>
34 
35 #include "atf-c++/application.hpp"
36 #include "atf-c++/config.hpp"
37 #include "atf-c++/sanity.hpp"
38 
39 class atf_config : public atf::application::app {
40     static const char* m_description;
41 
42     bool m_tflag;
43 
44     void process_option(int, const char*);
45     std::string specific_args(void) const;
46     options_set specific_options(void) const;
47 
48     std::string format_var(const std::string&, const std::string&);
49 
50 public:
51     atf_config(void);
52 
53     int main(void);
54 };
55 
56 const char* atf_config::m_description =
57     "atf-config is a tool that queries the value of several "
58     "installation-specific configuration values of the atf.  "
59     "It can be used by external tools to discover where specific "
60     "internal atf files are installed.";
61 
62 atf_config::atf_config(void) :
63     app(m_description, "atf-config(1)", "atf(7)"),
64     m_tflag(false)
65 {
66 }
67 
68 void
69 atf_config::process_option(int ch, const char* arg)
70 {
71     switch (ch) {
72     case 't':
73         m_tflag = true;
74         break;
75 
76     default:
77         UNREACHABLE;
78     }
79 }
80 
81 std::string
82 atf_config::specific_args(void)
83     const
84 {
85     return "[var1 [.. varN]]";
86 }
87 
88 atf_config::options_set
89 atf_config::specific_options(void)
90     const
91 {
92     using atf::application::option;
93     options_set opts;
94     opts.insert(option('t', "", "Terse output: show values only"));
95     return opts;
96 }
97 
98 std::string
99 atf_config::format_var(const std::string& name, const std::string& val)
100 {
101     std::string str;
102 
103     if (m_tflag)
104         str = val;
105     else
106         str = name + " : " + val;
107 
108     return str;
109 }
110 
111 int
112 atf_config::main(void)
113 {
114     if (m_argc < 1) {
115         std::map< std::string, std::string > cv = atf::config::get_all();
116 
117         for (std::map< std::string, std::string >::const_iterator iter =
118              cv.begin(); iter != cv.end(); iter++)
119             std::cout << format_var((*iter).first, (*iter).second)
120                       << std::endl;
121     } else {
122         for (int i = 0; i < m_argc; i++) {
123             if (!atf::config::has(m_argv[i]))
124                 throw std::runtime_error(std::string("Unknown variable `") +
125                                          m_argv[i] + "'");
126         }
127 
128         for (int i = 0; i < m_argc; i++) {
129             std::cout << format_var(m_argv[i], atf::config::get(m_argv[i]))
130                       << std::endl;
131         }
132     }
133 
134     return EXIT_SUCCESS;
135 }
136 
137 int
138 main(int argc, char* const* argv)
139 {
140     return atf_config().run(argc, argv);
141 }
142