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occt/src/RWHeaderSection/RWHeaderSection_RWFileDescription.cxx
kgv 2fb08f0132 0030628: [REGRESSION] Data Exchange - Crash on importing STEP file
RWHeaderSection_RWFileDescription::ReadStep(), added check for an empty list.
2019-07-15 15:48:00 +03:00

86 lines
2.6 KiB
C++

// 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.
#include <HeaderSection_FileDescription.hxx>
#include <Interface_Check.hxx>
#include <Interface_HArray1OfHAsciiString.hxx>
#include <RWHeaderSection_RWFileDescription.hxx>
#include <StepData_StepReaderData.hxx>
#include <StepData_StepWriter.hxx>
RWHeaderSection_RWFileDescription::RWHeaderSection_RWFileDescription () {}
void RWHeaderSection_RWFileDescription::ReadStep
(const Handle(StepData_StepReaderData)& data,
const Standard_Integer num,
Handle(Interface_Check)& ach,
const Handle(HeaderSection_FileDescription)& ent) const
{
// --- Number of Parameter Control ---
if (!data->CheckNbParams(num,2,ach,"file_description has not 2 parameter(s)")) return;
// --- own field : description ---
Handle(Interface_HArray1OfHAsciiString) aDescription;
Handle(TCollection_HAsciiString) aDescriptionItem;
Standard_Integer nsub1 = data->SubListNumber(num, 1, Standard_False);
if (nsub1 !=0) {
Standard_Integer nb1 = data->NbParams(nsub1);
if (nb1 > 0)
{
aDescription = new Interface_HArray1OfHAsciiString (1, nb1);
for (Standard_Integer i1 = 1; i1 <= nb1; i1 ++) {
Standard_Boolean stat1 = data->ReadString
(nsub1,i1,"description",ach,aDescriptionItem);
if (stat1) aDescription->SetValue(i1,aDescriptionItem);
}
}
}
else {
ach->AddFail("Parameter #1 (description) is not a LIST");
}
// --- own field : implementationLevel ---
Handle(TCollection_HAsciiString) aImplementationLevel;
data->ReadString (num,2,"implementation_level",ach,aImplementationLevel);
//--- Initialisation of the read entity ---
if (!ach->HasFailed()) ent->Init(aDescription, aImplementationLevel);
}
void RWHeaderSection_RWFileDescription::WriteStep
(StepData_StepWriter& SW,
const Handle(HeaderSection_FileDescription)& ent) const
{
// --- own field : description ---
SW.OpenSub();
for (Standard_Integer i1 = 1; i1 <= ent->NbDescription(); i1 ++) {
SW.Send(ent->DescriptionValue(i1));
}
SW.CloseSub();
// --- own field : implementationLevel ---
SW.Send(ent->ImplementationLevel());
}