kis_generic_registry.h

/*
 *  Copyright (c) 2004 Cyrille Berger <cberger@cberger.net>
 *
 *  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, Fifth Floor, Boston, MA 02110-1301, USA.
 */
 
#ifndef _KIS_GENERIC_REGISTRY_H_
#define _KIS_GENERIC_REGISTRY_H_
 
#include <map>
 
#include <tqstring.h>
#include <kdebug.h>
 
#include <kis_id.h>

template<typename _T>
class KisGenericRegistry {
protected:
    typedef std::map<KisID, _T> storageMap;
public:
    KisGenericRegistry() { };
    virtual ~KisGenericRegistry() { };
public:

    void add(_T item)
    {
        m_storage.insert( typename storageMap::value_type( item->id(), item) );
    }

    void add(KisID id, _T item)
    {
        m_storage.insert(typename storageMap::value_type(id, item));
    }

    _T remove(const KisID& name)
    {
        _T p = 0;
        typename storageMap::iterator it = m_storage.find(name);
        if (it != m_storage.end()) {
            m_storage.erase(it);
            p = it->second;
        }
        return p;
    }

    _T remove(const TQString& id)
    {
        return remove(KisID(id,""));
    }

    _T get(const KisID& name) const
    {
        _T p = 0;
        typename storageMap::const_iterator it = m_storage.find(name);
        if (it != m_storage.end()) {
            p = it->second;
        }
        return p;
    }

    _T get(const TQString& id) const
    {
        return get(KisID(id, ""));
    }

    bool exists(const KisID& id) const
    {
        typename storageMap::const_iterator it = m_storage.find(id);
        return (it != m_storage.end());
    }
 
    bool exists(const TQString& id) const
    {
        return exists(KisID(id, ""));
    }
    bool search(const TQString& t, KisID& result) const
    {
        for(typename storageMap::const_iterator it = m_storage.begin();
            it != m_storage.end(); ++it)
        {
            if(it->first.name() == t)
            {
                result = it->first;
                return true;
            }
        }
        return false;
    }

    KisIDList listKeys() const
    {
        KisIDList list;
        typename storageMap::const_iterator it = m_storage.begin();
        typename storageMap::const_iterator endit = m_storage.end();
        while( it != endit )
        {
            list.append(it->first);
            ++it;
        }
        return list;
    }
 
protected:
    KisGenericRegistry(const KisGenericRegistry&) { };
    KisGenericRegistry operator=(const KisGenericRegistry&) { };
    storageMap m_storage;
};
 
#endif