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occt/src/BinMDataStd/BinMDataStd_IntPackedMapDriver.cxx

125 lines
4.6 KiB
C++

// Created on: 2007-08-01
// Created by: Sergey ZARITCHNY
// Copyright (c) 2007-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <BinMDataStd.hxx>
#include <BinMDataStd_IntPackedMapDriver.hxx>
#include <BinMDF_ADriver.hxx>
#include <BinObjMgt_Persistent.hxx>
#include <BinObjMgt_RRelocationTable.hxx>
#include <BinObjMgt_SRelocationTable.hxx>
#include <Message_Messenger.hxx>
#include <Standard_Type.hxx>
#include <TCollection_ExtendedString.hxx>
#include <TColStd_HPackedMapOfInteger.hxx>
#include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
#include <TColStd_PackedMapOfInteger.hxx>
#include <TDataStd_IntPackedMap.hxx>
#include <TDF_Attribute.hxx>
IMPLEMENT_STANDARD_RTTIEXT(BinMDataStd_IntPackedMapDriver,BinMDF_ADriver)
//=======================================================================
//function : BinMDataStd_IntPackedMapDriver
//purpose :
//=======================================================================
BinMDataStd_IntPackedMapDriver::BinMDataStd_IntPackedMapDriver
(const Handle(Message_Messenger)& theMessageDriver)
: BinMDF_ADriver (theMessageDriver, STANDARD_TYPE(TDataStd_IntPackedMap)->Name())
{
}
//=======================================================================
//function : NewEmpty
//purpose :
//=======================================================================
Handle(TDF_Attribute) BinMDataStd_IntPackedMapDriver::NewEmpty() const
{
return new TDataStd_IntPackedMap;
}
//=======================================================================
//function : Paste
//purpose : persistent -> transient (retrieve)
//=======================================================================
Standard_Boolean BinMDataStd_IntPackedMapDriver::Paste
(const BinObjMgt_Persistent& Source,
const Handle(TDF_Attribute)& Target,
BinObjMgt_RRelocationTable& RelocTable) const
{
Handle(TDataStd_IntPackedMap) aTagAtt = Handle(TDataStd_IntPackedMap)::DownCast(Target);
if(aTagAtt.IsNull()) {
myMessageDriver->Send ("IntPackedMapDriver:: The target attribute is Null.", Message_Fail);
return Standard_False;
}
Standard_Integer aSize = 0;
if (! (Source >> aSize)) {
myMessageDriver->Send ("Cannot retrieve size for IntPackedMap attribute.", Message_Fail);
return Standard_False;
}
if(aSize) {
Handle(TColStd_HPackedMapOfInteger) aHMap = new TColStd_HPackedMapOfInteger ();
Standard_Integer aKey;
for(Standard_Integer i = 0; i< aSize; i++) {
Standard_Boolean ok = Source >> aKey;
if (!ok) {
myMessageDriver->Send ("Cannot retrieve integer member for IntPackedMap attribute.", Message_Fail);
return Standard_False;
}
if(!aHMap->ChangeMap().Add( aKey )) return Standard_False;
}
aTagAtt->ChangeMap(aHMap);
}
Standard_Boolean aDelta(Standard_False);
if(RelocTable.GetHeaderData()->StorageVersion().IntegerValue() > 2) {
Standard_Byte aDeltaValue;
if (! (Source >> aDeltaValue))
return Standard_False;
else
aDelta = (aDeltaValue != 0);
}
aTagAtt->SetDelta(aDelta);
return Standard_True;
}
//=======================================================================
//function : Paste
//purpose : transient -> persistent (store)
//=======================================================================
void BinMDataStd_IntPackedMapDriver::Paste
(const Handle(TDF_Attribute)& Source,
BinObjMgt_Persistent& Target,
BinObjMgt_SRelocationTable& /*RelocTable*/) const
{
Handle(TDataStd_IntPackedMap) anAtt = Handle(TDataStd_IntPackedMap)::DownCast(Source);
if (anAtt.IsNull()) {
myMessageDriver->Send ("IntPackedMapDriver:: The source attribute is Null.", Message_Fail);
return;
}
Standard_Integer aSize = (anAtt->IsEmpty()) ? 0 : anAtt->Extent();
Target << aSize;
if(aSize) {
TColStd_MapIteratorOfPackedMapOfInteger anIt(anAtt->GetMap());
for(;anIt.More();anIt.Next())
Target << anIt.Key();
}
Target << (Standard_Byte)(anAtt->GetDelta() ? 1 : 0);
}