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74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
// Copyright (c) 2017 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <StdObjMgt_WriteData.hxx>
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#include <StdObjMgt_Persistent.hxx>
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#include <Standard_GUID.hxx>
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StdObjMgt_WriteData::StdObjMgt_WriteData (Storage_BaseDriver& theDriver)
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: myDriver (&theDriver)
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{
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}
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void StdObjMgt_WriteData::WritePersistentObject (const Handle(StdObjMgt_Persistent)& thePersistent)
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{
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if (thePersistent)
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{
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myDriver->WritePersistentObjectHeader(thePersistent->RefNum(), thePersistent->TypeNum());
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myDriver->BeginWritePersistentObjectData();
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thePersistent->Write(*this);
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myDriver->EndWritePersistentObjectData();
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}
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}
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StdObjMgt_WriteData& StdObjMgt_WriteData::operator << (const Handle(StdObjMgt_Persistent)& thePersistent)
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{
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myDriver->PutReference(thePersistent ? thePersistent->RefNum() : 0);
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return *this;
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}
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//=======================================================================
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//function : operator >>
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//purpose : Read persistent data from a file
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//=======================================================================
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StdObjMgt_WriteData& operator <<
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(StdObjMgt_WriteData& theWriteData, const Standard_GUID& theGUID)
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{
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StdObjMgt_WriteData::ObjectSentry aSentry (theWriteData);
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const Standard_UUID anUUID = theGUID.ToUUID();
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Standard_Integer a32b;
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Standard_ExtCharacter a16b[3];
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Standard_Character a8b [6];
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// see Standard_GUID::Standard_GUID(const Standard_UUID& aWntGuid)
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a32b = anUUID.Data1;
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a16b[0] = anUUID.Data2;
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a16b[1] = anUUID.Data3;
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a16b[2] = (anUUID.Data4[0] << 8) | (anUUID.Data4[1]);
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a8b[0] = anUUID.Data4[2];
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a8b[1] = anUUID.Data4[3];
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a8b[2] = anUUID.Data4[4];
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a8b[3] = anUUID.Data4[5];
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a8b[4] = anUUID.Data4[6];
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a8b[5] = anUUID.Data4[7];
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theWriteData << a32b << a16b[0] << a16b[1] << a16b[2];
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theWriteData << a8b[0] << a8b[1] << a8b[2] << a8b[3] << a8b[4] << a8b[5];
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return theWriteData;
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}
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