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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 | |
14 | #include <StdObjMgt_ReadData.hxx> |
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15 | #include <StdObjMgt_Persistent.hxx> |
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16 | |
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17 | #include <Standard_GUID.hxx> |
18 | |
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19 | |
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20 | StdObjMgt_ReadData::StdObjMgt_ReadData |
21 | (Storage_BaseDriver& theDriver, const Standard_Integer theNumberOfObjects) |
22 | : myDriver (&theDriver) |
23 | , myPersistentObjects (1, theNumberOfObjects) {} |
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24 | |
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25 | void StdObjMgt_ReadData::ReadPersistentObject (const Standard_Integer theRef) |
26 | { |
27 | Handle(StdObjMgt_Persistent) aPersistent = myPersistentObjects (theRef); |
28 | if (aPersistent) |
29 | { |
30 | Standard_Integer aRef, aType; |
31 | myDriver->ReadPersistentObjectHeader (aRef, aType); |
32 | myDriver->BeginReadPersistentObjectData(); |
33 | aPersistent->Read (*this); |
34 | myDriver->EndReadPersistentObjectData(); |
35 | } |
36 | } |
37 | |
38 | Handle(StdObjMgt_Persistent) StdObjMgt_ReadData::ReadReference() |
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39 | { |
40 | Standard_Integer aRef; |
41 | myDriver->GetReference (aRef); |
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42 | return aRef ? PersistentObject (aRef) : NULL; |
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43 | } |
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44 | |
45 | //======================================================================= |
46 | //function : operator >> |
47 | //purpose : Read persistent data from a file |
48 | //======================================================================= |
49 | StdObjMgt_ReadData& operator >> |
50 | (StdObjMgt_ReadData::Object theReadData, Standard_GUID& theGUID) |
51 | { |
52 | Standard_Integer a32b; |
53 | Standard_ExtCharacter a16b[3]; |
54 | Standard_Character a8b [6]; |
55 | |
56 | theReadData >> a32b >> a16b[0] >> a16b[1] >> a16b[2]; |
57 | theReadData >> a8b[0] >> a8b[1] >> a8b[2] >> a8b[3] >> a8b[4] >> a8b[5]; |
58 | |
59 | theGUID = Standard_GUID (a32b, a16b[0], a16b[1], a16b[2], |
60 | a8b[0], a8b[1], a8b[2], a8b[3], a8b[4], a8b[5]); |
61 | |
62 | return theReadData; |
63 | } |