// ***************************************************************** -*- C++ -*-

/*

 * This program is part of the Exiv2 distribution.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.

 */

/*!

  @file    metacopy.hpp

  @brief   Defines class Params, used for the command line handling

  @author  Brad Schick (brad) <brad@robotbattle.com>

  @date    13-Jul-04, brad: created

 */

#ifndef METACOPY_HPP_

#define METACOPY_HPP_

class Params : public Util::Getopt {

private:

    std::string optstring_;

    bool first_;

public:

    bool help_;                    //!< Help option flag.

    bool iptc_;                    //!< Iptc option flag.

    bool exif_;                    //!< Exif option flag.

    bool comment_;                 //!< JPEG comment option flag.

    bool xmp_;                     //!< XMP option flag.

    bool preserve_;                //!< Preserve existing metadata option flag.

    std::string read_;             //!< Source file

    std::string write_;            //!< Destination file

public:

    /*!

      @brief Default constructor. Note that optstring_ is initialized here.

     */

    Params() : optstring_(":iecaph"),

               first_(true),

               help_(false),

               iptc_(false),

               exif_(false),

               comment_(false),

               xmp_(false),

               preserve_(false)

        {}

    /*!

      @brief Call Getopt::getopt() with optstring, to initiate command line

             argument parsing, perform consistency checks after all command line

             arguments are parsed.

      @param argc Argument count as passed to main() on program invocation.

      @param argv Argument array as passed to main() on program invocation.

      @return 0 if successful, >0 in case of errors.

     */

    int getopt(int argc, char* const argv[]);

    //! Handle options and their arguments.

    virtual int option(int opt, const std::string& optarg, int optopt);

    //! Handle non-option parameters.

    virtual int nonoption(const std::string& argv);

    //! Print a minimal usage note to an output stream.

    void usage(std::ostream& os =std::cout) const;

    //! Print further usage explanations to an output stream.

    void help(std::ostream& os =std::cout) const;

}; // class Params

#endif // METACOPY_HPP_