external/bsd/atf/dist/atf-c++/detail/application.hpp

   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
  38 namespace atf {
  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     void process_options(void);
  78     void usage(std::ostream&);
  79
  80     bool inited(void);
  81
  82 protected:
  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
 101 public:
 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_)