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1 | // Copyright (c) 2017 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_WriteData.hxx> |
15 | #include <StdObjMgt_Persistent.hxx> |
16 | |
17 | #include <Standard_GUID.hxx> |
18 | |
19 | |
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20 | StdObjMgt_WriteData::StdObjMgt_WriteData (const Handle(Storage_BaseDriver)& theDriver) |
21 | : myDriver (theDriver) |
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22 | { |
23 | } |
24 | |
25 | void StdObjMgt_WriteData::WritePersistentObject (const Handle(StdObjMgt_Persistent)& thePersistent) |
26 | { |
27 | if (thePersistent) |
28 | { |
29 | myDriver->WritePersistentObjectHeader(thePersistent->RefNum(), thePersistent->TypeNum()); |
30 | myDriver->BeginWritePersistentObjectData(); |
31 | thePersistent->Write(*this); |
32 | myDriver->EndWritePersistentObjectData(); |
33 | } |
34 | } |
35 | |
36 | StdObjMgt_WriteData& StdObjMgt_WriteData::operator << (const Handle(StdObjMgt_Persistent)& thePersistent) |
37 | { |
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38 | myDriver->PutReference(thePersistent ? thePersistent->RefNum() : 0); |
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39 | return *this; |
40 | } |
41 | |
42 | //======================================================================= |
43 | //function : operator >> |
44 | //purpose : Read persistent data from a file |
45 | //======================================================================= |
46 | StdObjMgt_WriteData& operator << |
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47 | (StdObjMgt_WriteData& theWriteData, const Standard_GUID& theGUID) |
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48 | { |
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49 | StdObjMgt_WriteData::ObjectSentry aSentry (theWriteData); |
50 | |
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51 | const Standard_UUID anUUID = theGUID.ToUUID(); |
52 | |
53 | Standard_Integer a32b; |
54 | Standard_ExtCharacter a16b[3]; |
55 | Standard_Character a8b [6]; |
56 | |
57 | // see Standard_GUID::Standard_GUID(const Standard_UUID& aWntGuid) |
58 | a32b = anUUID.Data1; |
59 | a16b[0] = anUUID.Data2; |
60 | a16b[1] = anUUID.Data3; |
61 | a16b[2] = (anUUID.Data4[0] << 8) | (anUUID.Data4[1]); |
62 | a8b[0] = anUUID.Data4[2]; |
63 | a8b[1] = anUUID.Data4[3]; |
64 | a8b[2] = anUUID.Data4[4]; |
65 | a8b[3] = anUUID.Data4[5]; |
66 | a8b[4] = anUUID.Data4[6]; |
67 | a8b[5] = anUUID.Data4[7]; |
68 | |
69 | theWriteData << a32b << a16b[0] << a16b[1] << a16b[2]; |
70 | theWriteData << a8b[0] << a8b[1] << a8b[2] << a8b[3] << a8b[4] << a8b[5]; |
71 | |
72 | return theWriteData; |
73 | } |