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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
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 3 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, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
//
// plRegistryHelpers - Little helper classes for the registry and resManager
//
//// History /////////////////////////////////////////////////////////////////
//
// 3.25.2002 mcn - Created
//
//////////////////////////////////////////////////////////////////////////////
#ifndef _plRegistryHelpers_h
#define _plRegistryHelpers_h
#include "hsTypes.h"
#include "hsTemplates.h"
#include "pnKeyedObject/plKey.h"
class plKey;
class plRegistryPageNode;
//// Little Iterator Class Defs //////////////////////////////////////////////
class plRegistryKeyIterator
{
public:
virtual ~plRegistryKeyIterator() {}
virtual hsBool EatKey(const plKey& key) = 0;
};
class plRegistryPageIterator
{
public:
virtual ~plRegistryPageIterator() {}
virtual hsBool EatPage(plRegistryPageNode* keyNode) = 0;
};
//// plKeyCollector //////////////////////////////////////////////////////////
// Helper key iterator that collects the given keys into the given hsTArray
class plKeyCollector : public plRegistryKeyIterator
{
protected:
hsTArray<plKey> &fKeys;
public:
plKeyCollector(hsTArray<plKey>& keys);
virtual hsBool EatKey(const plKey& key);
};
// If you loaded keys with another iterator, this will ensure that they're unloaded
class plIndirectUnloadIterator : public plRegistryPageIterator, public plRegistryKeyIterator
{
public:
plIndirectUnloadIterator() {}
hsBool EatKey(const plKey& key) { return true; }
hsBool EatPage(plRegistryPageNode* page);
};
#endif // _plRegistryHelpers_h