// $Id$
//
// Copyright (C) 2008 
// Fraunhofer Institute for Open Communication Systems (FOKUS)
// Competence Center NETwork research (NET), St. Augustin, GERMANY
//     Stefan Bund <g0dil@berlios.de>
//
// 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.,
// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

/** \file
    \brief ProgramOptions internal header */

#ifndef IH_ProgramOptions_
#define IH_ProgramOptions_ 1

// Custom includes
#include <boost/scoped_ptr.hpp>
#include "Parse.hh"

///////////////////////////////ih.p////////////////////////////////////////

namespace senf {
namespace console {
namespace detail {
    
#ifndef DOXYGEN

    class ProgramOptionsSource : public ConfigSource
    {
    public:
        typedef boost::intrusive_ptr<ProgramOptionsSource> ptr;

        static ptr create(int argc, char ** argv);

        template <class Container>
        ProgramOptionsSource & nonOptions(Container & container);
        ProgramOptionsSource & alias(char letter, std::string const & longOpt, bool withArg=false);
        
    private:
        ProgramOptionsSource(int argc, char ** argv);
        
        virtual void v_parse(RestrictedExecutor & executor);

        void parseLongOption(std::string const & arg, RestrictedExecutor & executor);
        void parseNonOption(std::string const & arg, RestrictedExecutor & executor);

        struct NonOptionContainer
        {
            virtual ~NonOptionContainer();
            virtual void clear() = 0;
            virtual void push_back(std::string const & value) = 0;
        };

        template <class Container>
        struct NonOptionContainerImpl
            : public NonOptionContainer
        {
            NonOptionContainerImpl(Container & c);

            void clear();
            void push_back(std::string const & value);

            Container & c_;
        };

        struct ShortOption
        {
            ShortOption(bool withArg, std::string const & longOpt);
            bool withArg;
            std::string longOpt;
        };

        typedef std::map<char, ShortOption> ShortOptions;
        
        int argc_;
        char ** argv_;
        CommandParser parser_;
        ShortOptions shortOptions_;
        boost::scoped_ptr<NonOptionContainer> nonOptions_;
    };

#endif

}}}

///////////////////////////////ih.e////////////////////////////////////////
#endif


// Local Variables:
// mode: c++
// fill-column: 100
// comment-column: 40
// c-file-style: "senf"
// indent-tabs-mode: nil
// ispell-local-dictionary: "american"
// compile-command: "scons -u test"
// End: