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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_MACROS_H_
#define _XN_MACROS_H_
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnStatusCodes.h"
//---------------------------------------------------------------------------
// Macros
//---------------------------------------------------------------------------
/** Returns the (x)th power of 2. */
#define XN_SETBITMASK(x) (1 << x-1)
/** Returns Y if X is NULL. */
#define XN_RET_IF_NULL(x, y) \
if (x == NULL) \
{ \
return (y); \
}
/** Returns Y if X isn't XN_STATUS_OK. */
#define XN_IS_STATUS_OK_RET(x, y) \
if (x != XN_STATUS_OK) \
{ \
return (y); \
}
/** Jumps to the ErrorCleanUp label if X isn't XN_STATUS_OK and return Y. */
#define XN_IS_STATUS_OK_GOCLEANUP_RET(x, y) \
if (x != XN_STATUS_OK) \
{ \
x = y; \
goto ErrorCleanUp; \
}
/** Returns X if X isn't XN_STATUS_OK. */
#define XN_IS_STATUS_OK(x) \
XN_IS_STATUS_OK_RET(x, x)
#define XN_IS_STATUS_OK_ASSERT(x) \
if (x != XN_STATUS_OK) \
{ \
XN_ASSERT(FALSE); \
return (x); \
}
/** Jumps to the ErrorCleanUp label if X isn't XN_STATUS_OK. */
#define XN_IS_STATUS_OK_GOCLEANUP(x) \
if (x != XN_STATUS_OK) \
{ \
goto ErrorCleanUp; \
}
/** Returns Y if X isn't XN_STATUS_OK. */
#define XN_IS_BOOL_OK_RET(x, y) \
if (x != TRUE) \
{ \
return (y); \
}
/** Jumps to the ErrorCleanUp label if X isn't XN_STATUS_OK and returns Y. */
#define XN_IS_BOOL_OK_GOCLEANUP_RET(x, y) \
if (x != TRUE) \
{ \
goto ErrorCleanUp; \
}
/** Jumps to the ErrorCleanUp label if X isn't XN_STATUS_OK and returns Y. */
#define XN_GOCLEANUP_RET(x, y) \
x = y; \
goto ErrorCleanUp;
/** Returns Y if X is null. */
#define XN_VALIDATE_PTR(x,y) \
if (x == NULL) \
{ \
return (y); \
}
/** Returns an output overflow error if x is beyond y */
#define XN_CHECK_INPUT_OVERFLOW(x, y) \
if (x > y) \
{ \
return (XN_STATUS_INPUT_BUFFER_OVERFLOW); \
}
/** Returns an input overflow error if x is beyond y */
#define XN_CHECK_OUTPUT_OVERFLOW(x, y) \
if (x > y) \
{ \
return (XN_STATUS_OUTPUT_BUFFER_OVERFLOW); \
}
/** Disables Copy ctor and assignment operator. Should be placed under "private:" section. */
#define XN_DISABLE_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName&); \
void operator=(const TypeName&);
/** Disables the "local variable is initialized but not referenced" warning (if you need
to use this variable in an assert */
#define XN_REFERENCE_VARIABLE(x) \
((void)x)
#endif //_XN_MACROS_H_
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