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80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
// Created by: DAUTRY Philippe
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// Copyright (c) 1997-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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// ----------------------
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// Version: 0.0
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//Version Date Purpose
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// 0.0 Sep 15 1997 Creation
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#include <Standard_NoMoreObject.hxx>
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#include <TDF_Data.hxx>
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#include <TDocStd_Document.hxx>
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#include <TDocStd_XLink.hxx>
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#include <TDocStd_XLinkIterator.hxx>
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#include <TDocStd_XLinkRoot.hxx>
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//=======================================================================
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//function : TDocStd_XLinkIterator
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//purpose :
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//=======================================================================
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TDocStd_XLinkIterator::TDocStd_XLinkIterator()
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: myValue(NULL)
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{}
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//=======================================================================
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//function : TDocStd_XLinkIterator
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//purpose :
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//=======================================================================
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TDocStd_XLinkIterator::TDocStd_XLinkIterator
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(const Handle(TDocStd_Document)& DOC)
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: myValue(NULL)
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{ Init(DOC); }
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//=======================================================================
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//function : Initialize
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//purpose :
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//=======================================================================
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void TDocStd_XLinkIterator::Initialize(const Handle(TDocStd_Document)& DOC)
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{ myValue = NULL; Init(DOC); }
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//=======================================================================
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//function : Next
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//purpose :
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//=======================================================================
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void TDocStd_XLinkIterator::Next()
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{
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if (myValue == NULL) throw Standard_NoMoreObject ("TDocStd_XLinkIterator::Next() - no more values available");
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else myValue = myValue->Next();
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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void TDocStd_XLinkIterator::Init(const Handle(TDocStd_Document)& DOC)
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{
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Handle(TDocStd_XLinkRoot) xRefRoot;
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if (DOC->GetData()->Root().FindAttribute(TDocStd_XLinkRoot::GetID(),xRefRoot))
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myValue = xRefRoot->First();
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}
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