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/*****************************************************************************
* *
* PrimeSense PSCommon Library *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of PSCommon. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
#ifndef __XN_ENUM_H__
#define __XN_ENUM_H__
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include <XnLog.h>
//---------------------------------------------------------------------------
// Types
//---------------------------------------------------------------------------
typedef struct XnEnumString
{
XnInt nValue;
const XnChar* strValue;
} XnEnumString;
//---------------------------------------------------------------------------
// Macros
//---------------------------------------------------------------------------
#define XN_MASK_ENUMS "Enums"
#define _XN_ENUM_MAP_NAME(enumType) _g_ ## enumType ## _strings
#define XN_ENUM_MAP_START(enumType) \
static XnEnumString _XN_ENUM_MAP_NAME(enumType)[] = {
#define XN_ENUM_MAP_ENTRY(val, valName) \
{ val, valName },
#define XN_ENUM_MAP_END() \
{ 0, NULL } \
};
#define XN_ENUM_FROM_STRING(nRetVal, enumType, strValue, nValue) \
{ \
XnInt _nTemp; \
nRetVal = _xnEnumFromString(XN_STRINGIFY(enumType), \
_XN_ENUM_MAP_NAME(enumType), strValue, &_nTemp); \
nValue = (enumType)_nTemp; \
}
#define XN_ENUM_TO_STRING(nRetVal, enumType, nValue, strValue) \
nRetVal = _xnEnumToString(XN_STRINGIFY(enumType), \
_XN_ENUM_MAP_NAME(enumType), (XnInt)nValue, &strValue)
#define XN_ENUM_VALIDATE_FROM_STRING(enumType, strValue, nValue) \
{ \
XnStatus _nTempRetVal; \
XN_ENUM_FROM_STRING(_nTempRetVal, enumType, strValue, nValue); \
XN_IS_STATUS_OK(_nTempRetVal); \
}
#define XN_ENUM_VALIDATE_TO_STRING(enumType, nValue, strValue) \
{ \
XnStatus _nTempRetVal; \
XN_ENUM_TO_STRING(_nTempRetVal, enumType, nValue, strValue); \
XN_IS_STATUS_OK(_nTempRetVal); \
}
//---------------------------------------------------------------------------
// Functions
//---------------------------------------------------------------------------
inline XnStatus _xnEnumToString(const XnChar* enumType, XnEnumString* pStrings, XnInt nValue, const XnChar** pstrValue)
{
while (pStrings->strValue != NULL)
{
if (pStrings->nValue == nValue)
{
*pstrValue = pStrings->strValue;
return (XN_STATUS_OK);
}
pStrings++;
}
XN_LOG_WARNING_RETURN(XN_STATUS_NO_MATCH, XN_MASK_ENUMS, "Unknown %s value: %u", enumType, nValue);
}
inline XnStatus _xnEnumFromString(const XnChar* enumType, XnEnumString* pStrings, const XnChar* strValue, XnInt* pnValue)
{
while (pStrings->strValue != NULL)
{
if (strcmp(pStrings->strValue, strValue) == 0)
{
*pnValue = pStrings->nValue;
return (XN_STATUS_OK);
}
pStrings++;
}
XN_LOG_WARNING_RETURN(XN_STATUS_NO_MATCH, XN_MASK_ENUMS, "Unknown %s value: %s", enumType, strValue);
}
#endif // __XN_ENUM_H__
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