external/bsd/atf/dist/tools/atf-config.cpp

   1 //
   2 // Automated Testing Framework (atf)
   3 //
   4 // Copyright (c) 2007, 2008 The NetBSD Foundation, Inc.
   5 // All rights reserved.
   6 //
   7 // Redistribution and use in source and binary forms, with or without
   8 // modification, are permitted provided that the following conditions
   9 // are met:
  10 // 1. Redistributions of source code must retain the above copyright
  11 //    notice, this list of conditions and the following disclaimer.
  12 // 2. Redistributions in binary form must reproduce the above copyright
  13 //    notice, this list of conditions and the following disclaimer in the
  14 //    documentation and/or other materials provided with the distribution.
  15 //
  16 // THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  17 // CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  18 // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  19 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20 // IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  21 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  23 // GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  25 // IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  26 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  27 // IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 //
  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 }