include/opencascade/StdLPersistent_Variable.hxx

0001 // Copyright (c) 2015 OPEN CASCADE SAS
0002 //
0003 // This file is part of Open CASCADE Technology software library.
0004 //
0005 // This library is free software; you can redistribute it and/or modify it under
0006 // the terms of the GNU Lesser General Public License version 2.1 as published
0007 // by the Free Software Foundation, with special exception defined in the file
0008 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0009 // distribution for complete text of the license and disclaimer of any warranty.
0010 //
0011 // Alternatively, this file may be used under the terms of Open CASCADE
0012 // commercial license or contractual agreement.
0013
0014
0015 #ifndef _StdLPersistent_Variable_HeaderFile
0016 #define _StdLPersistent_Variable_HeaderFile
0017
0018 #include <StdObjMgt_Attribute.hxx>
0019 #include <StdLPersistent_HString.hxx>
0020
0021 #include <TDataStd_Variable.hxx>
0022
0023
0024 class StdLPersistent_Variable : public StdObjMgt_Attribute<TDataStd_Variable>
0025 {
0026 public:
0027   //! Empty constructor.
0028   StdLPersistent_Variable()
0029   : myIsConstant(Standard_False)
0030   {
0031   }
0032   //! Read persistent data from a file.
0033   inline void Read (StdObjMgt_ReadData& theReadData)
0034     { theReadData >> myIsConstant >> myUnit; }
0035   //! Write persistent data to a file.
0036   inline void Write (StdObjMgt_WriteData& theWriteData) const
0037     { theWriteData << myIsConstant << myUnit; }
0038   //! Gets persistent child objects
0039   inline void PChildren(StdObjMgt_Persistent::SequenceOfPersistent& theChildren) const
0040     { theChildren.Append(myUnit); }
0041   //! Returns persistent type name
0042   inline Standard_CString PName() const { return "PDataStd_Variable"; }
0043
0044   //! Import transient attribute from the persistent data.
0045   void Import (const Handle(TDataStd_Variable)& theAttribute) const
0046   {
0047     theAttribute->Constant (myIsConstant);
0048     if (myUnit)
0049       theAttribute->Unit (myUnit->Value()->String());
0050   }
0051
0052 private:
0053   Standard_Boolean                      myIsConstant;
0054   Handle(StdLPersistent_HString::Ascii) myUnit;
0055 };
0056
0057 #endif