cmd_line_parser.h

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// -*-c++-*-
 
/*
 *Copyright:
 
 Copyright (C) Hidehisa AKIYAMA
 
 This code is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 3 of the License, or (at your option) any later version.
 
 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 *EndCopyright:
 */
 
 
#ifndef RCSC_PARAM_CMD_LINE_PARSER_H
#define RCSC_PARAM_CMD_LINE_PARSER_H
 
#include <rcsc/param/param_parser.h>
 
#include <list>
#include <vector>
#include <string>
#include <ostream>
 
namespace rcsc {
 
class CmdLineParser
    : public ParamParser {
private:
 
    std::list< std::string > M_args;
 
    std::vector< std::string > M_positional_options;
 
    std::vector< std::string > M_parsed_option_names;
 
    // not used
    CmdLineParser() = delete;
public:
 
    CmdLineParser( const int argc,
                   const char * const * argv );
 
    explicit
    CmdLineParser( const std::list< std::string > & args );
 
    bool parse( ParamMap & param_map ) override;
 
private:
 
    void parsePositional();
 
public:
 
    const std::list< std::string > & args() const
      {
          return M_args;
      }
 
    bool failed() const
      {
          return M_args.size() != M_positional_options.size();
      }
 
    const std::vector< std::string > & positionalOptions() const
      {
          return M_positional_options;
      }
 
    const std::vector< std::string > & parsedOptionNames() const
      {
          return M_parsed_option_names;
      }
 
    std::size_t count( const std::string & option_name ) const;
 
    std::ostream & print( std::ostream & os ) const;
 
    std::ostream & printOptionNameArgs( std::ostream & os,
                                        const char sep ) const;
 
};
 
}
 
#endif