1//
2// Automated Testing Framework (atf)
3//
4// Copyright (c) 2007 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 "application.hpp"
36#include "config.hpp"
37
38class atf_config : public tools::application::app {
39    static const char* m_description;
40
41    bool m_tflag;
42
43    void process_option(int, const char*);
44    std::string specific_args(void) const;
45    options_set specific_options(void) const;
46
47    std::string format_var(const std::string&, const std::string&);
48
49public:
50    atf_config(void);
51
52    int main(void);
53};
54
55const char* atf_config::m_description =
56    "atf-config is a tool that queries the value of several "
57    "installation-specific configuration values of the atf.  "
58    "It can be used by external tools to discover where specific "
59    "internal atf files are installed.";
60
61atf_config::atf_config(void) :
62    app(m_description, "atf-config(1)", "atf(7)"),
63    m_tflag(false)
64{
65}
66
67void
68atf_config::process_option(int ch, const char* arg __attribute__((__unused__)))
69{
70    switch (ch) {
71    case 't':
72        m_tflag = true;
73        break;
74
75    default:
76        std::abort();
77    }
78}
79
80std::string
81atf_config::specific_args(void)
82    const
83{
84    return "[var1 [.. varN]]";
85}
86
87atf_config::options_set
88atf_config::specific_options(void)
89    const
90{
91    using tools::application::option;
92    options_set opts;
93    opts.insert(option('t', "", "Terse output: show values only"));
94    return opts;
95}
96
97std::string
98atf_config::format_var(const std::string& name, const std::string& val)
99{
100    std::string str;
101
102    if (m_tflag)
103        str = val;
104    else
105        str = name + " : " + val;
106
107    return str;
108}
109
110int
111atf_config::main(void)
112{
113    if (m_argc < 1) {
114        std::map< std::string, std::string > cv = tools::config::get_all();
115
116        for (std::map< std::string, std::string >::const_iterator iter =
117             cv.begin(); iter != cv.end(); iter++)
118            std::cout << format_var((*iter).first, (*iter).second) << "\n";
119    } else {
120        for (int i = 0; i < m_argc; i++) {
121            if (!tools::config::has(m_argv[i]))
122                throw std::runtime_error(std::string("Unknown variable `") +
123                                         m_argv[i] + "'");
124        }
125
126        for (int i = 0; i < m_argc; i++) {
127            std::cout << format_var(m_argv[i], tools::config::get(m_argv[i]))
128                      << "\n";
129        }
130    }
131
132    return EXIT_SUCCESS;
133}
134
135int
136main(int argc, char* const* argv)
137{
138    return atf_config().run(argc, argv);
139}
140