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 #if !defined(TOOLS_APPLICATION_HPP)
31 #define TOOLS_APPLICATION_HPP
32 
33 #include <ostream>
34 #include <set>
35 #include <stdexcept>
36 #include <string>
37 
38 namespace tools {
39 namespace application {
40 
41 // ------------------------------------------------------------------------
42 // The "usage_error" class.
43 // ------------------------------------------------------------------------
44 
45 class usage_error : public std::runtime_error {
46     char m_text[4096];
47 
48 public:
49     usage_error(const char*, ...) throw();
50     ~usage_error(void) throw();
51 
52     const char* what(void) const throw();
53 };
54 
55 // ------------------------------------------------------------------------
56 // The "option" class.
57 // ------------------------------------------------------------------------
58 
59 class option {
60     char m_character;
61     std::string m_argument;
62     std::string m_description;
63 
64     friend class app;
65 
66 public:
67     option(char, const std::string&, const std::string&);
68 
69     bool operator<(const option&) const;
70 };
71 
72 // ------------------------------------------------------------------------
73 // The "app" class.
74 // ------------------------------------------------------------------------
75 
76 class app {
77     bool m_hflag;
78 
79     void process_options(void);
80     void usage(std::ostream&);
81 
82     bool inited(void);
83 
84 protected:
85     typedef std::set< option > options_set;
86 
87     int m_argc;
88     char* const* m_argv;
89 
90     const char* m_argv0;
91     const char* m_prog_name;
92     std::string m_description;
93     std::string m_manpage, m_global_manpage;
94 
95     options_set options(void);
96 
97     // To be redefined.
98     virtual std::string specific_args(void) const;
99     virtual options_set specific_options(void) const;
100     virtual void process_option(int, const char*);
101     virtual int main(void) = 0;
102 
103 public:
104     app(const std::string&, const std::string&, const std::string&);
105     virtual ~app(void);
106 
107     int run(int, char* const*);
108 };
109 
110 } // namespace application
111 } // namespace tools
112 
113 #endif // !defined(TOOLS_APPLICATION_HPP)
114