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/****************************************************************************
* *
* OpenNI 1.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* OpenNI is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* OpenNI 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 Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with OpenNI. If not, see <http://www.gnu.org/licenses/>. *
* *
****************************************************************************/
#ifndef __XN_TYPE_MANAGER_H__
#define __XN_TYPE_MANAGER_H__
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include <XnBitSet.h>
#include <XnTypes.h>
//---------------------------------------------------------------------------
// Defines
//---------------------------------------------------------------------------
#define XN_MAX_TYPES_COUNT 500
//---------------------------------------------------------------------------
// Types
//---------------------------------------------------------------------------
class TypeManager
{
public:
static TypeManager& GetInstance();
XnStatus RegisterNewType(const XnChar* strName, XnProductionNodeType baseType, XnProductionNodeType* pNewType);
XnStatus GetTypeName(XnProductionNodeType type, const XnChar** pstrName) const;
XnStatus GetTypeByName(const XnChar* strName, XnProductionNodeType* pType) const;
XnStatus IsTypeDerivedFrom(XnProductionNodeType type, XnProductionNodeType base, XnBool* pbIsDerived) const;
XnStatus GetTypeHierarchy(XnProductionNodeType type, const XnBitSet*& pHierarchy) const;
XnPredefinedProductionNodeType GetPredefinedBaseType(XnProductionNodeType type);
private:
TypeManager();
~TypeManager();
struct NodeTypeInfo
{
NodeTypeInfo() : type(XN_NODE_TYPE_INVALID)
{
this->strName[0] = '\0';
}
NodeTypeInfo(const XnChar* strName, XnProductionNodeType type) : type(type)
{
strcpy(this->strName, strName);
}
XnChar strName[XN_MAX_NAME_LENGTH];
XnProductionNodeType type;
XnBitSet inheritanceGraph;
};
XnStatus AddType(NodeTypeInfo& info);
XnStatus AddNewType(const XnChar* strName, XnProductionNodeType type, XnProductionNodeType base);
static TypeManager m_instance;
XnProductionNodeType m_nNextExtendedNodeType;
XN_CRITICAL_SECTION_HANDLE m_hLock;
// we use a regular array instead of a collection (XnArray, XnList, etc.) because we want thread safety
// without locks. We know types are never removed from the array, only added.
NodeTypeInfo* m_pTypesArray[XN_MAX_TYPES_COUNT];
};
#endif // __XN_TYPE_MANAGER_H__
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