daiUtils.h

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// Copyright (C) 2002-2019, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valueuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2019 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef _DAI_UTILS_H_
#define _DAI_UTILS_H_
 
#include "OdaCommon.h"
#include "daiBuildOptions.h"
#include "DbHandle.h"
#include "daiConsts.h"
#include "OdString.h"
 
 
namespace OdDAI
{
  namespace Utils
  {
    inline bool isUnset(const float & value) { return value != value; }
    inline bool isUnset(const double & value) { return value != value; }
    inline bool isUnset(const int value) { return value == Consts::OdIntUnset; }
    inline bool isUnset(const OdString & value) { return value.getLength() == Consts::OdStringUnsetLength && value.compare(Consts::OdStringUnset) == 0; }
    inline bool isUnset(const OdAnsiString & value) { return value.getLength() == Consts::OdStringUnsetLength && value.compare(Consts::OdStringUnset) == 0; }
    inline bool isUnset(const char * value) { return strlen(value) == Consts::OdStringUnsetLength && strcmp(value, Consts::OdStringUnset) == 0; }
    inline bool isUnset(const OdUInt64 & value) { return Consts::OdHandleUnset.getHandle() == value; }
    inline bool isUnset(const OdDbHandle & value) { return Consts::OdHandleUnset.getHandle() == (OdUInt64)value; }
    inline bool isUnset(const OdDAIObjectId & value) { return value.isNull(); }
  }
 
 
  class OdFileDescriptionAuto;
  class OdFileNameAuto;
  class OdFileSchemaAuto;
 
  bool DAI_EXPORT operator==(const OdFileDescriptionAuto& left, const OdFileDescriptionAuto& right);
  bool DAI_EXPORT operator==(const OdFileNameAuto& left, const OdFileNameAuto& right);
  bool DAI_EXPORT operator==(const OdFileSchemaAuto& left, const OdFileSchemaAuto& right);
 
  class OdSelect;
 
  bool DAI_EXPORT operator==(const OdDAI::OdSelect& left, const OdDAI::OdSelect& right);
  bool DAI_EXPORT operator!=(const OdDAI::OdSelect& left, const OdDAI::OdSelect& right);
 
  namespace Utils
  {
    bool DAI_EXPORT encodeText(const OdString& encodeWhat, OdAnsiString& result);
    bool DAI_EXPORT decodeText(const OdAnsiString& decodeWhat, OdString& result);
  }
}
 
#endif // _DAI_UTILS_H_