contextregistry.h

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/***************************************************************************
 *   Copyright (C) 2007 by Ilya A. Volynets-Evenbakh                       *
 *   ilya@total-knowledge.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.             *
 ***************************************************************************/

#ifndef _SERVERCONFIG_CONTEXTREGISTRY_H_
#define _SERVERCONFIG_CONTEXTREGISTRY_H_

#include "context.h"
#include <set>

namespace container {
namespace serverconfig {

class ContextRegistry
{
public:
    typedef Context* (* createcontext_f)(const ConfigNode& n, Context* parent);
    struct ContextInfo
    {
    private:
        int m_flags;
        createcontext_f m_f;
        bool m_type_done;
        std::set<std::string> m_names;
    public:
        ContextInfo(int flags, createcontext_f f)
            : m_flags(flags)
            , m_f(f)
            , m_type_done(false)
        {}
        ContextInfo()
            : m_flags(0)
            , m_f(0)
            , m_type_done(false)
        {}
        Context* create(const ConfigNode&, Context*);
    };
private:
    typedef std::map<std::string, ContextInfo> registry_t;
    registry_t m_registry;
public:
    void registerContext(const std::string& type, createcontext_f creator, int flags);
    ContextRegistry(void(*registerContexts)(ContextRegistry&))
    {
        registerContexts(*this);
    }
    Context* getContext(const ConfigNode&, Context*);
};

}
}
#endif //_SERVERCONFIG_CONTEXTREGISTRY_H_