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/* vim: set sw=4 sts=4 et foldmethod=syntax : */

/*
 * Copyright (c) 2006 Ciaran McCreesh <ciaranm@ciaranm.org>
 *
 * This file is part of the Paludis package manager. Paludis is free software;
 * you can redistribute it and/or modify it under the terms of the GNU General
 * Public License version 2, as published by the Free Software Foundation.
 *
 * Paludis 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., 59 Temple
 * Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef PALUDIS_GUARD_SRC_COMMAND_LINE_HH
#define PALUDIS_GUARD_SRC_COMMAND_LINE_HH 1

#include <paludis/args/args.hh>
#include <paludis/util/instantiation_policy.hh>

/** \file
 * Declarations for the CommandLine class.
 */

/**
 * Our command line.
 */
class CommandLine :
    public paludis::args::ArgsHandler,
    public paludis::InstantiationPolicy<CommandLine, paludis::instantiation_method::SingletonAsNeededTag>
{
    friend class paludis::InstantiationPolicy<CommandLine, paludis::instantiation_method::SingletonAsNeededTag>;

    private:
        /// Constructor.
        CommandLine();

        /// Destructor.
        ~CommandLine();

    public:
        ///\name Program information
        ///\{

        virtual std::string app_name() const;
        virtual std::string app_synopsis() const;
        virtual std::string app_description() const;

        ///\}

        /// \name Action arguments
        ///\{

        /// Action arguments.
        paludis::args::ArgsGroup action_args;

        /// --version
        paludis::args::SwitchArg a_version;

        /// --help
        paludis::args::SwitchArg a_help;

        ///\}

        /// \name General arguments
        ///\{

        /// General arguments.
        paludis::args::ArgsGroup general_args;

        /// --log-level
        paludis::args::EnumArg a_log_level;

        /// --config-suffix
        paludis::args::StringArg a_config_suffix;

        ///\}
};

/**
 * Show the help message.
 */
struct DoHelp
{
    const std::string message;

    DoHelp(const std::string & m = "") :
        message(m)
    {
    }
};

#endif