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