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1 | // Created by: DAUTRY Philippe |
| 2 | // Copyright (c) 1997-1999 Matra Datavision |
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3 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
| 8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
| 10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | // commercial license or contractual agreement. |
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15 | |
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16 | // ---------------------- |
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17 | // Version: 0.0 |
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18 | //Version Date Purpose |
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19 | // 0.0 Sep 15 1997 Creation |
| 20 | |
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21 | #include <Standard_NoMoreObject.hxx> |
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22 | #include <TDF_Data.hxx> |
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23 | #include <TDocStd_Document.hxx> |
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24 | #include <TDocStd_XLink.hxx> |
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25 | #include <TDocStd_XLinkIterator.hxx> |
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26 | #include <TDocStd_XLinkRoot.hxx> |
| 27 | |
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28 | //======================================================================= |
| 29 | //function : TDocStd_XLinkIterator |
| 30 | //purpose : |
| 31 | //======================================================================= |
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32 | TDocStd_XLinkIterator::TDocStd_XLinkIterator() |
| 33 | : myValue(NULL) |
| 34 | {} |
| 35 | |
| 36 | |
| 37 | //======================================================================= |
| 38 | //function : TDocStd_XLinkIterator |
| 39 | //purpose : |
| 40 | //======================================================================= |
| 41 | |
| 42 | TDocStd_XLinkIterator::TDocStd_XLinkIterator |
| 43 | (const Handle(TDocStd_Document)& DOC) |
| 44 | : myValue(NULL) |
| 45 | { Init(DOC); } |
| 46 | |
| 47 | |
| 48 | //======================================================================= |
| 49 | //function : Initialize |
| 50 | //purpose : |
| 51 | //======================================================================= |
| 52 | |
| 53 | void TDocStd_XLinkIterator::Initialize(const Handle(TDocStd_Document)& DOC) |
| 54 | { myValue = NULL; Init(DOC); } |
| 55 | |
| 56 | |
| 57 | //======================================================================= |
| 58 | //function : Next |
| 59 | //purpose : |
| 60 | //======================================================================= |
| 61 | |
| 62 | void TDocStd_XLinkIterator::Next() |
| 63 | { |
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64 | if (myValue == NULL) throw Standard_NoMoreObject ("TDocStd_XLinkIterator::Next() - no more values available"); |
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65 | else myValue = myValue->Next(); |
| 66 | } |
| 67 | |
| 68 | //======================================================================= |
| 69 | //function : Init |
| 70 | //purpose : |
| 71 | //======================================================================= |
| 72 | |
| 73 | void TDocStd_XLinkIterator::Init(const Handle(TDocStd_Document)& DOC) |
| 74 | { |
| 75 | Handle(TDocStd_XLinkRoot) xRefRoot; |
| 76 | if (DOC->GetData()->Root().FindAttribute(TDocStd_XLinkRoot::GetID(),xRefRoot)) |
| 77 | myValue = xRefRoot->First(); |
| 78 | } |
| 79 | |
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