devel/libmdw/trunk/libmdw/src/CommandHandler.cpp

/***************************************************************************
 *   Copyright (C) 2010 by Jean-Baptiste Wons   *
 *   wonsjb@gmail.com   *
 *                                                                         *
 *   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.             *
 ***************************************************************************/
#include "CommandHandler.h"
#include "Stream.h"

namespace mdw
{

CommandHandler::CommandHandler()
{
}


CommandHandler::~CommandHandler()
{
}

CommandHandler *CommandHandler::getHandler (const std::string &subHandler)
{
    std::map<std::string, CommandHandler*>::iterator aIter = _subCommands.find(subHandler);
    if (aIter == _subCommands.end())
    {
        return 0;
    }
    return aIter->second;
}

void CommandHandler::execute (const std::vector<std::string> args, int startArgs, Stream &output)
{
    output << "Incomplete command : ";
    for (std::vector<std::string>::const_iterator aIter = args.begin();
         aIter != args.end();
         ++aIter)
    {
        output << *aIter << " ";
    }
    output << endl;
}

CommandHandler &CommandHandler::createNode (const std::string &subHandler, CommandHandler *handler)
{
    std::map<std::string, CommandHandler*>::iterator aIter = _subCommands.find(subHandler);
    if (aIter == _subCommands.end())
    {
        if (handler == 0)
        {
            handler = new CommandHandler();
        }

        _subCommands.insert(make_pair(subHandler, handler));
    }
    else
    {
        if (handler != 0)
        {
            for (std::map<std::string, CommandHandler*>::iterator aIter = aIter->second->_subCommands.begin();
                 aIter != aIter->second->_subCommands.end();
                 ++aIter)
            {
                handler->_subCommands.insert(*aIter);
            }
            _subCommands.insert(make_pair(subHandler, handler));
        }
    }
    return *handler;
}
}

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