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108 lines
3.3 KiB
C++
Executable File
108 lines
3.3 KiB
C++
Executable File
// File: BinMDataStd_TreeNodeDriver.cxx
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// Created: Fri Aug 24 20:46:58 2001
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// Author: Alexnder GRIGORIEV
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// Copyright: Open Cascade 2001
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// History:
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#include <BinMDataStd_TreeNodeDriver.ixx>
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#include <TDataStd_TreeNode.hxx>
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#include <TCollection_ExtendedString.hxx>
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//=======================================================================
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//function : BinMDataStd_TreeNodeDriver
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//purpose : Constructor
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//=======================================================================
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BinMDataStd_TreeNodeDriver::BinMDataStd_TreeNodeDriver
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(const Handle(CDM_MessageDriver)& theMsgDriver)
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: BinMDF_ADriver (theMsgDriver, NULL)
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{}
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//=======================================================================
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//function : NewEmpty
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//purpose :
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//=======================================================================
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Handle(TDF_Attribute) BinMDataStd_TreeNodeDriver::NewEmpty() const
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{
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return (new TDataStd_TreeNode());
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}
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//=======================================================================
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//function : Paste
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//purpose :
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//=======================================================================
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Standard_Boolean BinMDataStd_TreeNodeDriver::Paste
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(const BinObjMgt_Persistent& theSource,
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const Handle(TDF_Attribute)& theTarget,
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BinObjMgt_RRelocationTable& theRelocTable) const
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{
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Handle(TDataStd_TreeNode) aT = Handle(TDataStd_TreeNode)::DownCast(theTarget);
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// read int fields
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Standard_Integer i, aNb;
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for (i = 0 ; i < 4; ++i)
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{
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if (! (theSource >> aNb))
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return Standard_False;
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if (aNb < 0) continue;
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Handle(TDataStd_TreeNode) aNode;
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if (theRelocTable.IsBound(aNb))
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aNode = Handle(TDataStd_TreeNode)::DownCast(theRelocTable.Find(aNb));
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else
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{
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aNode = Handle(TDataStd_TreeNode)::DownCast( aT->NewEmpty() ); // already with tree ID
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theRelocTable.Bind(aNb, aNode);
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}
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switch (i) {
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case 0: aT->SetFather (aNode); break;
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case 1: aT->SetNext (aNode); break;
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case 2: aT->SetPrevious(aNode); break;
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case 3: aT->SetFirst (aNode); break;
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default: continue;
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}
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}
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// tree id
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Standard_GUID aGUID;
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if (! (theSource >> aGUID))
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return Standard_False;
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aT->SetTreeID(aGUID);
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return Standard_True;
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}
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//=======================================================================
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//function : Paste
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//purpose :
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//=======================================================================
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void BinMDataStd_TreeNodeDriver::Paste
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(const Handle(TDF_Attribute)& theSource,
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BinObjMgt_Persistent& theTarget,
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BinObjMgt_SRelocationTable& theRelocTable) const
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{
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Handle(TDataStd_TreeNode) aS = Handle(TDataStd_TreeNode)::DownCast(theSource);
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// first write int fields
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Standard_Integer i, aNb;
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for (i = 0 ; i < 4; ++i)
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{
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Handle(TDataStd_TreeNode) aNode;
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switch (i) {
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case 0: aNode = aS->Father(); break;
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case 1: aNode = aS->Next(); break;
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case 2: aNode = aS->Previous(); break;
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case 3: aNode = aS->First(); break;
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default: continue;
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}
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if (aNode.IsNull())
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aNb = -1;
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else
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aNb = theRelocTable.Add(aNode); // create and/or get index
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theTarget.PutInteger(aNb);
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}
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// tree id
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theTarget << aS->ID();
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}
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