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1 | // Copyright (c) 2015 OPEN CASCADE SAS |
2 | // |
3 | // This file is part of Open CASCADE Technology software library. |
4 | // |
5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
10 | // |
11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
13 | |
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14 | #include <StdLPersistent_Document.hxx> |
15 | #include <StdLPersistent_Data.hxx> |
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16 | #include <StdObjMgt_ReadData.hxx> |
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17 | #include <StdObjMgt_WriteData.hxx> |
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18 | |
19 | #include <TDocStd_Document.hxx> |
20 | #include <TDocStd_Owner.hxx> |
21 | |
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22 | |
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23 | //======================================================================= |
24 | //function : Read |
25 | //purpose : Read persistent data from a file |
26 | //======================================================================= |
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27 | void StdLPersistent_Document::Read (StdObjMgt_ReadData& theReadData) |
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28 | { |
29 | theReadData >> myData; |
30 | } |
31 | |
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32 | //======================================================================= |
33 | //function : Write |
34 | //purpose : Write persistent data to a file |
35 | //======================================================================= |
36 | void StdLPersistent_Document::Write (StdObjMgt_WriteData& theWriteData) const |
37 | { |
38 | theWriteData << myData; |
39 | } |
40 | |
41 | //======================================================================= |
42 | //function : PChildren |
43 | //purpose : Gets persistent child objects |
44 | //======================================================================= |
45 | void StdLPersistent_Document::PChildren(StdObjMgt_Persistent::SequenceOfPersistent& theChildren) const |
46 | { |
47 | theChildren.Append(myData); |
48 | } |
49 | |
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50 | //======================================================================= |
51 | //function : Import |
52 | //purpose : Import transient document from the persistent data |
53 | //======================================================================= |
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54 | void StdLPersistent_Document::ImportDocument |
55 | (const Handle(TDocStd_Document)& theDocument) const |
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56 | { |
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57 | if (theDocument.IsNull() || myData.IsNull()) |
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58 | return; |
59 | |
60 | Handle(TDF_Data) aData = myData->Import(); |
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61 | if (aData.IsNull()) |
62 | return; |
63 | |
64 | theDocument->SetData (aData); |
65 | TDocStd_Owner::SetDocument (aData, theDocument); |
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66 | } |