1
0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-07-30 13:05:50 +03:00
occt/src/BinMDF/BinMDF_ReferenceDriver.cxx
2012-03-05 19:23:40 +04:00

71 lines
2.3 KiB
C++
Executable File

// File: BinMDF_ReferenceDriver.cxx
// Created: 30.10.02 12:52:35
// Author: Michael SAZONOV
// Copyright: Open CASCADE 2002
#include <BinMDF_ReferenceDriver.ixx>
#include <TDF_Reference.hxx>
//=======================================================================
//function : BinMDF_ReferenceDriver
//purpose : Constructor
//=======================================================================
BinMDF_ReferenceDriver::BinMDF_ReferenceDriver
(const Handle(CDM_MessageDriver)& theMsgDriver)
: BinMDF_ADriver (theMsgDriver, STANDARD_TYPE(TDF_Reference)->Name())
{
}
//=======================================================================
//function : NewEmpty
//purpose :
//=======================================================================
Handle(TDF_Attribute) BinMDF_ReferenceDriver::NewEmpty() const
{
return new TDF_Reference();
}
//=======================================================================
//function : Paste
//purpose : persistent -> transient (retrieve)
//=======================================================================
Standard_Boolean BinMDF_ReferenceDriver::Paste
(const BinObjMgt_Persistent& theSource,
const Handle(TDF_Attribute)& theTarget,
BinObjMgt_RRelocationTable& ) const
{
Handle(TDF_Reference) aRef = Handle(TDF_Reference)::DownCast(theTarget);
TDF_Label tLab; // Null label.
if (!theSource.GetLabel(aRef->Label().Data(), tLab))
return Standard_False;
// set referenced label
aRef->Set(tLab);
return Standard_True;
}
//=======================================================================
//function : Paste
//purpose : transient -> persistent (store)
//=======================================================================
void BinMDF_ReferenceDriver::Paste (const Handle(TDF_Attribute)& theSource,
BinObjMgt_Persistent& theTarget,
BinObjMgt_SRelocationTable& ) const
{
Handle(TDF_Reference) aRef = Handle(TDF_Reference)::DownCast(theSource);
if (!aRef.IsNull()) {
const TDF_Label& lab = aRef->Label();
const TDF_Label& refLab = aRef->Get();
if (!lab.IsNull() && !refLab.IsNull()) {
if (lab.IsDescendant(refLab.Root())) { // Internal reference
theTarget << refLab;
}
}
}
}