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occt/src/XSControl/XSControl_WorkSession.cxx
abv 0a0eec807d 0027070: Segfault when transferring HLR-created shapes via STEPControl_Writer 
Added protection against null shape on writing: status IFSelect_RetVoid will be returned in such case (instead of access violation)
2018-03-16 14:56:53 +03:00

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// Copyright (c) 1999-2014 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.
//:i1 pdn 03.04.99 BUC60301
#include <Geom2d_Point.hxx>
#include <Interface_Check.hxx>
#include <Interface_CheckIterator.hxx>
#include <Interface_Graph.hxx>
#include <Interface_HGraph.hxx>
#include <Interface_InterfaceModel.hxx>
#include <Interface_IntVal.hxx>
#include <Interface_Macros.hxx>
#include <Message_Messenger.hxx>
#include <Standard_ErrorHandler.hxx>
#include <Standard_Failure.hxx>
#include <TColStd_HSequenceOfTransient.hxx>
#include <TopoDS_Shape.hxx>
#include <Transfer_Binder.hxx>
#include <Transfer_Finder.hxx>
#include <Transfer_FinderProcess.hxx>
#include <Transfer_ResultFromModel.hxx>
#include <Transfer_ResultFromTransient.hxx>
#include <Transfer_SimpleBinderOfTransient.hxx>
#include <Transfer_TransientProcess.hxx>
#include <TransferBRep.hxx>
#include <XSControl_Controller.hxx>
#include <XSControl_TransferReader.hxx>
#include <XSControl_Vars.hxx>
#include <XSControl_WorkSession.hxx>
IMPLEMENT_STANDARD_RTTIEXT(XSControl_WorkSession,IFSelect_WorkSession)
//=======================================================================
//function : XSControl_WorkSession
//purpose :
//=======================================================================
XSControl_WorkSession::XSControl_WorkSession ()
: myTransferReader(new XSControl_TransferReader),
myTransferWriter(new XSControl_TransferWriter),
myVars(new XSControl_Vars)
{
}
//=======================================================================
//function : ClearData
//purpose :
//=======================================================================
void XSControl_WorkSession::ClearData (const Standard_Integer mode)
{
// 1-2-3-4 : standard IFSelect
if (mode >= 1 && mode <= 4) IFSelect_WorkSession::ClearData (mode);
// 5 : Transferts seuls
// 6 : Resultats forces seuls
// 7 : Management, y compris tous transferts (forces/calcules), views
if (mode == 5 || mode == 7) {
myTransferReader->Clear(-1);
myTransferWriter->Clear(-1);
}
if (mode == 6 && !myTransferReader.IsNull()) myTransferReader->Clear(1);
myTransferReader->SetGraph (HGraph());
}
//=======================================================================
//function : SelectNorm
//purpose :
//=======================================================================
Standard_Boolean XSControl_WorkSession::SelectNorm(const Standard_CString normname)
{
// Old norm and results
myTransferReader->Clear(-1);
// ???? En toute rigueur, menage a faire dans XWS : virer les items
// ( a la limite, pourquoi pas, refaire XWS en entier)
Handle(XSControl_Controller) newadapt = XSControl_Controller::Recorded (normname);
if (newadapt.IsNull()) return Standard_False;
if (newadapt == myController) return Standard_True;
SetController (newadapt);
return Standard_True;
}
//=======================================================================
//function : SetController
//purpose :
//=======================================================================
void XSControl_WorkSession::SetController(const Handle(XSControl_Controller)& ctl)
{
myController = ctl;
SetLibrary ( myController->WorkLibrary() );
SetProtocol ( myController->Protocol() );
ClearItems();
ClearFinalModifiers();
ClearShareOut(Standard_False);
ClearFile();
// Set worksession parameters from teh controller
Handle(XSControl_WorkSession) aWorkSession(this);
myController->Customise (aWorkSession);
myTransferReader->SetController (myController);
myTransferWriter->SetController (myController);
}
//=======================================================================
//function : SelectedNorm
//purpose :
//=======================================================================
Standard_CString XSControl_WorkSession::SelectedNorm(const Standard_Boolean rsc) const
{
//JR/Hp :
Standard_CString astr = (Standard_CString ) (myController.IsNull() ? "" : myController->Name(rsc));
return astr ;
}
// ##########################################
// ############ Contexte de Transfert ######
// ##########################################
//=======================================================================
//function : SetAllContext
//purpose :
//=======================================================================
void XSControl_WorkSession::SetAllContext(const NCollection_DataMap<TCollection_AsciiString, Handle(Standard_Transient)>& context)
{
myContext = context;
myTransferReader->Context() = context;
}
//=======================================================================
//function : ClearContext
//purpose :
//=======================================================================
void XSControl_WorkSession::ClearContext ()
{
myContext.Clear();
myTransferReader->Context().Clear();
}
// ##########################################
// ############ RESULTATS FORCES ######
// ##########################################
//=======================================================================
//function : PrintTransferStatus
//purpose :
//=======================================================================
Standard_Boolean XSControl_WorkSession::PrintTransferStatus(const Standard_Integer num,
const Standard_Boolean wri,
const Handle(Message_Messenger)& S) const
{
const Handle(Transfer_FinderProcess) &FP = myTransferWriter->FinderProcess();
Handle(Transfer_TransientProcess) TP = myTransferReader->TransientProcess();
Handle(Transfer_Binder) binder;
Handle(Transfer_Finder) finder;
Handle(Standard_Transient) ent;
// *** WRITE ***
if (wri) {
if (FP.IsNull()) return Standard_False;
if (num == 0 ) return Standard_False;
Standard_Integer ne=0, nr=0, max = FP->NbMapped() ,maxr = FP->NbRoots();
if (num > 0) {
if (num > max) return Standard_False;
ne = num;
finder = FP->Mapped(ne);
nr = FP->RootIndex(finder);
} else if (num < 0) {
nr = -num;
if (nr > maxr) return Standard_False;
finder = FP->Root(nr);
ne = FP->MapIndex(finder);
}
S<<"Transfer Write item n0."<<ne<<" of "<<max;
if (nr > 0)
{
S<<" ** Transfer Root n0."<<ne;
}
S<<endl;
ent = FP->FindTransient(finder);
S<<" -> Type "<<finder->DynamicType()->Name()<<endl;
FP->StartTrace (binder,finder,0,0); // pb sout/S
if (!ent.IsNull()) {
S<<" ** Resultat Transient, type "<<ent->DynamicType()->Name();
const Handle(Interface_InterfaceModel) &model = Model();
if (!model.IsNull())
{ S<<" In output Model, Entity "; model->Print(ent,S); }
S<<endl;
}
}
// *** READ ***
else {
if (TP.IsNull()) return Standard_False;
Handle(Interface_InterfaceModel) model = TP->Model();
if (model.IsNull()) cout<<"No Model"<<endl;
else if (model != Model()) cout<<"Model different from the session"<<endl;
if (num == 0) return Standard_False;
Standard_Integer ne=0, nr=0, max = TP->NbMapped() ,maxr = TP->NbRoots();
if (num > 0) {
if (num > max) return Standard_False;
ne = num;
ent = TP->Mapped(ne);
nr = TP->RootIndex(finder);
} else if (num < 0) {
nr = -num;
if (nr > maxr) return Standard_False;
ent = TP->Root(nr);
ne = TP->MapIndex(ent);
}
S<<"Transfer Read item n0."<<ne<<" of "<<max;
if (nr > 0)
{
S<<" ** Transfer Root n0."<<ne;
}
S<<endl;
if (!model.IsNull()) { S<<" In Model, Entity "; model->Print(ent,S); }
binder = TP->MapItem (ne);
S<<endl;
TP->StartTrace (binder,ent,0,0);
}
// *** CHECK (commun READ+WRITE) ***
if (!binder.IsNull()) {
const Handle(Interface_Check) ch = binder->Check();
Standard_Integer i,nbw = ch->NbWarnings(), nbf = ch->NbFails();
if (nbw > 0) {
S<<" - Warnings : "<<nbw<<" :\n";
for (i = 1; i <= nbw; i ++) S<<ch->CWarning(i)<<endl;
}
if (nbf > 0) {
S<<" - Fails : "<<nbf<<" :\n";
for (i = 1; i <= nbf; i ++) S<<ch->CFail(i)<<endl;
}
}
return Standard_True;
}
//=======================================================================
//function : InitTransferReader
//purpose :
//=======================================================================
void XSControl_WorkSession::InitTransferReader(const Standard_Integer mode)
{
if (mode == 0 || mode == 5) myTransferReader->Clear(-1); // full clear
if (myTransferReader.IsNull()) SetTransferReader (new XSControl_TransferReader);
else SetTransferReader (myTransferReader);
// mode = 0 fait par SetTransferReader suite a Nullify
if (mode == 1) {
if (!myTransferReader.IsNull()) myTransferReader->Clear(-1);
else SetTransferReader (new XSControl_TransferReader);
}
if (mode == 2) {
Handle(Transfer_TransientProcess) TP = myTransferReader->TransientProcess();
if (TP.IsNull()) {
TP = new Transfer_TransientProcess;
myTransferReader->SetTransientProcess(TP);
TP->SetGraph (HGraph());
}
Handle(TColStd_HSequenceOfTransient) lis = myTransferReader->RecordedList();
Standard_Integer i, nb = lis->Length();
for (i = 1; i <= nb; i ++) TP->SetRoot(lis->Value(i));
}
if (mode == 3) {
Handle(Transfer_TransientProcess) TP = myTransferReader->TransientProcess();
if (TP.IsNull()) return;
Standard_Integer i, nb = TP->NbRoots();
for (i = 1; i <= nb; i ++) myTransferReader->RecordResult(TP->Root(i));
}
if (mode == 4 || mode == 5) myTransferReader->BeginTransfer();
}
//=======================================================================
//function : SetTransferReader
//purpose :
//=======================================================================
void XSControl_WorkSession::SetTransferReader(const Handle(XSControl_TransferReader)& TR)
{
if (myTransferReader != TR) //i1 pdn 03.04.99 BUC60301
myTransferReader = TR;
if (TR.IsNull()) return;
TR->SetController (myController);
TR->SetGraph (HGraph());
if (!TR->TransientProcess().IsNull()) return;
Handle(Transfer_TransientProcess) TP = new Transfer_TransientProcess
(Model().IsNull() ? 100 : Model()->NbEntities() + 100);
TP->SetGraph (HGraph());
TP->SetErrorHandle(Standard_True);
TR->SetTransientProcess(TP);
}
//=======================================================================
//function : MapReader
//purpose :
//=======================================================================
Handle(Transfer_TransientProcess) XSControl_WorkSession::MapReader() const
{
return myTransferReader->TransientProcess();
}
//=======================================================================
//function : SetMapReader
//purpose :
//=======================================================================
Standard_Boolean XSControl_WorkSession::SetMapReader (const Handle(Transfer_TransientProcess)& TP)
{
if (TP.IsNull()) return Standard_False;
if (TP->Model().IsNull()) TP->SetModel (Model());
TP->SetGraph (HGraph());
if (TP->Model() != Model()) return Standard_False;
// TR ne doit pas bouger, c est un "crochet" pour signatures, selections ...
// En revanche, mieux vaut le RAZ
// Handle(XSControl_TransferReader) TR = new XSControl_TransferReader;
Handle(XSControl_TransferReader) TR = myTransferReader;
TR->Clear(-1);
SetTransferReader (TR); // avec le meme mais le reinitialise
TR->SetTransientProcess (TP); // et prend le nouveau TP
return Standard_True;
}
//=======================================================================
//function : Result
//purpose :
//=======================================================================
Handle(Standard_Transient) XSControl_WorkSession::Result
(const Handle(Standard_Transient)& ent, const Standard_Integer mode) const
{
Standard_Integer ouca = (mode % 10);
Standard_Integer kica = (mode / 10);
Handle(Transfer_Binder) binder;
Handle(Transfer_ResultFromModel) resu;
if (ouca != 1) resu = myTransferReader->FinalResult(ent);
if (mode == 20) return resu;
if (!resu.IsNull()) binder = resu->MainResult()->Binder();
if (binder.IsNull() && ouca > 0)
binder = myTransferReader->TransientProcess()->Find(ent);
if (kica == 1) return binder;
DeclareAndCast(Transfer_SimpleBinderOfTransient,trb,binder);
if (!trb.IsNull()) return trb->Result();
return binder;
}
// ##########################################
// ############ TRANSFERT #############
// ##########################################
//=======================================================================
//function : TransferReadOne
//purpose :
//=======================================================================
Standard_Integer XSControl_WorkSession::TransferReadOne (const Handle(Standard_Transient)& ent)
{
Handle(Interface_InterfaceModel) model = Model();
if (ent == model) return TransferReadRoots();
Handle(TColStd_HSequenceOfTransient) list = GiveList(ent);
if (list->Length() == 1) return myTransferReader->TransferOne(list->Value(1));
else return myTransferReader->TransferList (list);
}
//=======================================================================
//function : TransferReadRoots
//purpose :
//=======================================================================
Standard_Integer XSControl_WorkSession::TransferReadRoots ()
{
return myTransferReader->TransferRoots(Graph());
}
// ##########################################
// ############ TRANSFERT WRITE
// ##########################################
//=======================================================================
//function : NewModel
//purpose :
//=======================================================================
Handle(Interface_InterfaceModel) XSControl_WorkSession::NewModel ()
{
Handle(Interface_InterfaceModel) newmod;
if (myController.IsNull()) return newmod;
newmod = myController->NewModel();
SetModel(newmod);
if(!myTransferReader->TransientProcess().IsNull())
myTransferReader->TransientProcess()->Clear();
//clear all contains of WS
myTransferReader->Clear(3);
myTransferWriter->Clear(-1);
return newmod;
}
//=======================================================================
//function : TransferWriteShape
//purpose :
//=======================================================================
IFSelect_ReturnStatus XSControl_WorkSession::TransferWriteShape (const TopoDS_Shape& shape, const Standard_Boolean compgraph)
{
IFSelect_ReturnStatus status;
if (myController.IsNull()) return IFSelect_RetError;
const Handle(Interface_InterfaceModel) &model = Model();
if (model.IsNull() || shape.IsNull())
{
return IFSelect_RetVoid;
}
status = myTransferWriter->TransferWriteShape (model,shape);
// qui s occupe de tout, try/catch inclus
//skl insert param compgraph for XDE writing 10.12.2003
if(compgraph) ComputeGraph(Standard_True);
return status;
}
//=======================================================================
//function : TransferWriteCheckList
//purpose :
//=======================================================================
Interface_CheckIterator XSControl_WorkSession::TransferWriteCheckList () const
{
return myTransferWriter->ResultCheckList (Model());
}
//=======================================================================
//function : ClearBinders
//purpose :
//=======================================================================
void XSControl_WorkSession::ClearBinders()
{
const Handle(Transfer_FinderProcess) &FP = myTransferWriter->FinderProcess();
//Due to big number of chains of binders it is necessary to
//collect head binders of each chain in the sequence
TColStd_SequenceOfTransient aSeqBnd;
TColStd_SequenceOfTransient aSeqShapes;
Standard_Integer i =1;
for( ; i <= FP->NbMapped();i++) {
Handle(Transfer_Binder) bnd = FP->MapItem ( i );
if(!bnd.IsNull())
aSeqBnd.Append(bnd);
Handle(Standard_Transient) ash (FP->Mapped(i));
aSeqShapes.Append(ash);
}
//removing finder process containing result of translation.
FP->Clear();
ClearData(1);
ClearData(5);
//removing each chain of binders
while(aSeqBnd.Length() >0) {
Handle(Transfer_Binder) aBnd = Handle(Transfer_Binder)::DownCast(aSeqBnd.Value(1));
Handle(Standard_Transient) ash =aSeqShapes.Value(1);
aSeqBnd.Remove(1);
aSeqShapes.Remove(1);
ash.Nullify();
while(!aBnd.IsNull()) {
Handle(Transfer_Binder) aBndNext = aBnd->NextResult();
aBnd.Nullify();
aBnd = aBndNext;
}
}
}
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