1 // Copyright (c) 2007 The NetBSD Foundation, Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions 6 // are met: 7 // 1. Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // 2. Redistributions in binary form must reproduce the above copyright 10 // notice, this list of conditions and the following disclaimer in the 11 // documentation and/or other materials provided with the distribution. 12 // 13 // THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 14 // CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 15 // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 16 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 // IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY 18 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 20 // GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 22 // IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 24 // IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 26 #if !defined(ATF_CXX_DETAIL_APPLICATION_HPP) 27 #define ATF_CXX_DETAIL_APPLICATION_HPP 28 29 #include <ostream> 30 #include <set> 31 #include <stdexcept> 32 #include <string> 33 34 namespace atf { 35 namespace application { 36 37 // ------------------------------------------------------------------------ 38 // The "usage_error" class. 39 // ------------------------------------------------------------------------ 40 41 class usage_error : public std::runtime_error { 42 char m_text[4096]; 43 44 public: 45 usage_error(const char*, ...) throw(); 46 ~usage_error(void) throw(); 47 48 const char* what(void) const throw(); 49 }; 50 51 // ------------------------------------------------------------------------ 52 // The "option" class. 53 // ------------------------------------------------------------------------ 54 55 class option { 56 char m_character; 57 std::string m_argument; 58 std::string m_description; 59 60 friend class app; 61 62 public: 63 option(char, const std::string&, const std::string&); 64 65 bool operator<(const option&) const; 66 }; 67 68 // ------------------------------------------------------------------------ 69 // The "app" class. 70 // ------------------------------------------------------------------------ 71 72 class app { 73 void process_options(void); 74 void usage(std::ostream&); 75 76 bool inited(void); 77 78 protected: 79 typedef std::set< option > options_set; 80 81 int m_argc; 82 char* const* m_argv; 83 84 const char* m_argv0; 85 const char* m_prog_name; 86 std::string m_description; 87 std::string m_manpage; 88 89 options_set options(void); 90 91 // To be redefined. 92 virtual std::string specific_args(void) const; 93 virtual options_set specific_options(void) const; 94 virtual void process_option(int, const char*); 95 virtual int main(void) = 0; 96 97 public: 98 app(const std::string&, const std::string&); 99 virtual ~app(void); 100 101 int run(int, char* const*); 102 }; 103 104 } // namespace application 105 } // namespace atf 106 107 #endif // !defined(ATF_CXX_DETAIL_APPLICATION_HPP) 108