application.hpp revision 261897 
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(_ATF_CXX_APPLICATION_HPP_)
31#define _ATF_CXX_APPLICATION_HPP_
32
33#include <ostream>
34#include <set>
35#include <stdexcept>
36#include <string>
37
38namespace atf {
39namespace application {
40
41// ------------------------------------------------------------------------
42// The "usage_error" class.
43// ------------------------------------------------------------------------
44
45class usage_error : public std::runtime_error {
46    char m_text[4096];
47
48public:
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
59class option {
60    char m_character;
61    std::string m_argument;
62    std::string m_description;
63
64    friend class app;
65
66public:
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
76class app {
77    void process_options(void);
78    void usage(std::ostream&);
79
80    bool inited(void);
81
82protected:
83    typedef std::set< option > options_set;
84
85    int m_argc;
86    char* const* m_argv;
87
88    const char* m_argv0;
89    const char* m_prog_name;
90    std::string m_description;
91    std::string m_manpage;
92
93    options_set options(void);
94
95    // To be redefined.
96    virtual std::string specific_args(void) const;
97    virtual options_set specific_options(void) const;
98    virtual void process_option(int, const char*);
99    virtual int main(void) = 0;
100
101public:
102    app(const std::string&, const std::string&);
103    virtual ~app(void);
104
105    int run(int, char* const*);
106};
107
108} // namespace application
109} // namespace atf
110
111#endif // !defined(_ATF_CXX_APPLICATION_HPP_)
112