/* -*- mode: C++; indent-tabs-mode: nil; -*-

 /* -*- mode: C++; indent-tabs-mode: nil; -*-

  *

  *

  * This file is a part of LEMON, a generic C++ optimization library.

  * This file is a part of LEMON, a generic C++ optimization library.

  *

  *

  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

  * (Egervary Research Group on Combinatorial Optimization, EGRES).

  * (Egervary Research Group on Combinatorial Optimization, EGRES).

  *

  *

  * Permission to use, modify and distribute this software is granted

  * Permission to use, modify and distribute this software is granted

  * provided that this copyright notice appears in all copies. For

  * provided that this copyright notice appears in all copies. For

     enum Reason {

     enum Reason {

       HELP,         /// <tt>--help</tt> option was given

       HELP,         /// <tt>--help</tt> option was given

       UNKNOWN_OPT,  /// Unknown option was given

       UNKNOWN_OPT,  /// Unknown option was given

       INVALID_OPT   /// Invalid combination of options

       INVALID_OPT   /// Invalid combination of options

     };

     };

   private:

   private:

     Reason _reason;

     Reason _reason;

   public:

   public:

     ///Constructor

     ///Constructor

     ArgParserException(Reason r) throw() : _reason(r) {}

     ArgParserException(Reason r) throw() : _reason(r) {}

     ///Virtual destructor

     ///Virtual destructor

     virtual ~ArgParserException() throw() {}

     virtual ~ArgParserException() throw() {}

     std::vector<OtherArg> _others_help;

     std::vector<OtherArg> _others_help;

     std::vector<std::string> _file_args;

     std::vector<std::string> _file_args;

     std::string _command_name;

     std::string _command_name;

   private:

   private:

     //Bind a function to an option.

     //Bind a function to an option.

     //\param name The name of the option. The leading '-' must be omitted.

     //\param name The name of the option. The leading '-' must be omitted.

     //\param help A help string.

     //\param help A help string.

     ArgParser &funcOption(const std::string &name,

     ArgParser &funcOption(const std::string &name,

                     const std::string &help,

                     const std::string &help,

                     void (*func)(void *),void *data);

                     void (*func)(void *),void *data);

     bool _exit_on_problems;

     bool _exit_on_problems;

     void _terminate(ArgParserException::Reason reason) const;

     void _terminate(ArgParserException::Reason reason) const;

   public:

   public:

     ///Constructor

     ///Constructor

     ///Give back a reference to a vector consisting of the program arguments

     ///Give back a reference to a vector consisting of the program arguments

     ///not starting with a '-' character.

     ///not starting with a '-' character.

     const std::vector<std::string> &files() const { return _file_args; }

     const std::vector<std::string> &files() const { return _file_args; }

     ///Throw instead of exit in case of problems

     ///Throw instead of exit in case of problems

     {

     {

       _exit_on_problems=false;

       _exit_on_problems=false;

     }

     }

   };

   };

 }

 }