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1 | // Created on: 2001-08-24 |
2 | // Created by: Alexnder GRIGORIEV |
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3 | // Copyright (c) 2001-2014 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 | |
17 | #include <BinMDataStd_TreeNodeDriver.hxx> |
18 | #include <BinObjMgt_Persistent.hxx> |
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19 | #include <Message_Messenger.hxx> |
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20 | #include <Standard_Type.hxx> |
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21 | #include <TCollection_ExtendedString.hxx> |
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22 | #include <TDataStd_TreeNode.hxx> |
23 | #include <TDF_Attribute.hxx> |
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24 | |
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25 | IMPLEMENT_STANDARD_RTTIEXT(BinMDataStd_TreeNodeDriver,BinMDF_ADriver) |
26 | |
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27 | //======================================================================= |
28 | //function : BinMDataStd_TreeNodeDriver |
29 | //purpose : Constructor |
30 | //======================================================================= |
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31 | BinMDataStd_TreeNodeDriver::BinMDataStd_TreeNodeDriver |
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32 | (const Handle(Message_Messenger)& theMsgDriver) |
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33 | : BinMDF_ADriver (theMsgDriver, NULL) |
34 | {} |
35 | |
36 | //======================================================================= |
37 | //function : NewEmpty |
38 | //purpose : |
39 | //======================================================================= |
40 | Handle(TDF_Attribute) BinMDataStd_TreeNodeDriver::NewEmpty() const |
41 | { |
42 | return (new TDataStd_TreeNode()); |
43 | } |
44 | |
45 | //======================================================================= |
46 | //function : Paste |
47 | //purpose : |
48 | //======================================================================= |
49 | Standard_Boolean BinMDataStd_TreeNodeDriver::Paste |
50 | (const BinObjMgt_Persistent& theSource, |
51 | const Handle(TDF_Attribute)& theTarget, |
52 | BinObjMgt_RRelocationTable& theRelocTable) const |
53 | { |
54 | Handle(TDataStd_TreeNode) aT = Handle(TDataStd_TreeNode)::DownCast(theTarget); |
55 | |
56 | // read int fields |
57 | Standard_Integer i, aNb; |
58 | for (i = 0 ; i < 4; ++i) |
59 | { |
60 | if (! (theSource >> aNb)) |
61 | return Standard_False; |
62 | if (aNb < 0) continue; |
63 | |
64 | Handle(TDataStd_TreeNode) aNode; |
65 | if (theRelocTable.IsBound(aNb)) |
66 | aNode = Handle(TDataStd_TreeNode)::DownCast(theRelocTable.Find(aNb)); |
67 | else |
68 | { |
69 | aNode = Handle(TDataStd_TreeNode)::DownCast( aT->NewEmpty() ); // already with tree ID |
70 | theRelocTable.Bind(aNb, aNode); |
71 | } |
72 | switch (i) { |
73 | case 0: aT->SetFather (aNode); break; |
74 | case 1: aT->SetNext (aNode); break; |
75 | case 2: aT->SetPrevious(aNode); break; |
76 | case 3: aT->SetFirst (aNode); break; |
77 | default: continue; |
78 | } |
79 | } |
80 | |
81 | // tree id |
82 | Standard_GUID aGUID; |
83 | if (! (theSource >> aGUID)) |
84 | return Standard_False; |
85 | aT->SetTreeID(aGUID); |
86 | |
87 | return Standard_True; |
88 | } |
89 | |
90 | //======================================================================= |
91 | //function : Paste |
92 | //purpose : |
93 | //======================================================================= |
94 | void BinMDataStd_TreeNodeDriver::Paste |
95 | (const Handle(TDF_Attribute)& theSource, |
96 | BinObjMgt_Persistent& theTarget, |
97 | BinObjMgt_SRelocationTable& theRelocTable) const |
98 | { |
99 | Handle(TDataStd_TreeNode) aS = Handle(TDataStd_TreeNode)::DownCast(theSource); |
100 | |
101 | // first write int fields |
102 | Standard_Integer i, aNb; |
103 | for (i = 0 ; i < 4; ++i) |
104 | { |
105 | Handle(TDataStd_TreeNode) aNode; |
106 | switch (i) { |
107 | case 0: aNode = aS->Father(); break; |
108 | case 1: aNode = aS->Next(); break; |
109 | case 2: aNode = aS->Previous(); break; |
110 | case 3: aNode = aS->First(); break; |
111 | default: continue; |
112 | } |
113 | if (aNode.IsNull()) |
114 | aNb = -1; |
115 | else |
116 | aNb = theRelocTable.Add(aNode); // create and/or get index |
117 | theTarget.PutInteger(aNb); |
118 | } |
119 | |
120 | // tree id |
121 | theTarget << aS->ID(); |
122 | } |