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1 | // Created on: 2004-11-24 |
2 | // Created by: Edward AGAPOV |
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3 | // Copyright (c) 2004-2014 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 | // The original implementation Copyright: (C) RINA S.p.A |
17 | |
18 | |
19 | #include <CDM_MessageDriver.hxx> |
20 | #include <BinObjMgt_Persistent.hxx> |
21 | #include <TDF_Tool.hxx> |
22 | |
23 | #include <BinTObjDrivers_ObjectDriver.hxx> |
24 | #include <TObj_Assistant.hxx> |
25 | #include <TObj_TObject.hxx> |
26 | #include <TObj_Persistence.hxx> |
27 | |
28 | IMPLEMENT_STANDARD_HANDLE(BinTObjDrivers_ObjectDriver,BinMDF_ADriver) |
29 | IMPLEMENT_STANDARD_RTTIEXT(BinTObjDrivers_ObjectDriver,BinMDF_ADriver); |
30 | |
31 | //======================================================================= |
32 | //function : BinTObjDrivers_ObjectDriver |
33 | //purpose : constructor |
34 | //======================================================================= |
35 | |
36 | BinTObjDrivers_ObjectDriver::BinTObjDrivers_ObjectDriver |
37 | (const Handle(CDM_MessageDriver)& theMessageDriver) |
38 | : BinMDF_ADriver( theMessageDriver, NULL) |
39 | { |
40 | } |
41 | |
42 | //======================================================================= |
43 | //function : NewEmpty |
44 | //purpose : Creates a new attribute |
45 | //======================================================================= |
46 | |
47 | Handle(TDF_Attribute) BinTObjDrivers_ObjectDriver::NewEmpty() const |
48 | { |
49 | return new TObj_TObject; |
50 | } |
51 | |
52 | //======================================================================= |
53 | //function : Paste |
54 | //purpose : Translate the contents of <theSource> and put it |
55 | // into <theTarget>. |
56 | //======================================================================= |
57 | |
58 | Standard_Boolean BinTObjDrivers_ObjectDriver::Paste |
59 | (const BinObjMgt_Persistent& theSource, |
60 | const Handle(TDF_Attribute)& theTarget, |
61 | BinObjMgt_RRelocationTable&) const |
62 | { |
63 | Standard_Integer aSavedPos = theSource.Position(); |
64 | |
65 | // first try to get the type as an integer ID |
66 | Standard_Integer anID; |
67 | if (! (theSource >> anID)) return Standard_False; |
68 | Handle(TObj_Object) anObject; |
69 | if ( (unsigned)anID > 0xffff) |
70 | { |
71 | // if we are here it means that the type was stored as an ascii string, |
72 | // so rewind theSource and reget |
73 | theSource.SetPosition(aSavedPos); |
74 | TCollection_AsciiString aName; |
75 | if (! (theSource >> aName)) return Standard_False; |
76 | anObject = |
77 | TObj_Persistence::CreateNewObject(aName.ToCString(),theTarget->Label()); |
78 | if (anObject.IsNull()) |
79 | { |
80 | TCollection_AsciiString anEntry; |
81 | TDF_Tool::Entry (theTarget->Label(), anEntry); |
82 | WriteMessage (TCollection_ExtendedString |
83 | ("TObj_TObject retrieval: wrong object type name ") + |
84 | aName + ", entry " + anEntry); |
85 | TObj_Assistant::BindType(0); |
86 | return Standard_False; |
87 | } |
88 | // register the type |
89 | TObj_Assistant::BindType(anObject->DynamicType()); |
90 | } |
91 | else |
92 | { |
93 | // use anID to get the type from earlier registered ones |
94 | Handle(Standard_Type) aType = TObj_Assistant::FindType(anID); |
95 | if(!aType.IsNull()) |
96 | anObject = |
97 | TObj_Persistence::CreateNewObject(aType->Name(), theTarget->Label()); |
98 | else |
99 | { |
100 | return Standard_False; |
101 | } |
102 | } |
103 | Handle(TObj_TObject)::DownCast (theTarget) ->Set( anObject ); |
104 | return Standard_True; |
105 | } |
106 | |
107 | //======================================================================= |
108 | //function : Paste |
109 | //purpose : Translate the contents of <theSource> and put it |
110 | // into <theTarget>. |
111 | // anObject is stored as a Name of class derived from TObj_Object |
112 | //======================================================================= |
113 | |
114 | void BinTObjDrivers_ObjectDriver::Paste |
115 | (const Handle(TDF_Attribute)& theSource, |
116 | BinObjMgt_Persistent& theTarget, |
117 | BinObjMgt_SRelocationTable&) const |
118 | { |
119 | Handle(TObj_TObject) aTObj = |
120 | Handle(TObj_TObject)::DownCast( theSource ); |
121 | Handle(TObj_Object) anIObject = aTObj->Get(); |
122 | if (anIObject.IsNull()) return; |
123 | |
124 | Handle(Standard_Type) aType = anIObject->DynamicType(); |
125 | |
126 | Standard_Integer anID = TObj_Assistant::FindTypeIndex(anIObject->DynamicType()); |
127 | |
128 | if(anID == 0) |
129 | { |
130 | // we first meet this type; |
131 | // register a type and store a type name as a string |
132 | TObj_Assistant::BindType(aType); |
133 | TCollection_AsciiString aName = aType->Name(); |
134 | theTarget << aName; |
135 | } |
136 | else |
137 | { |
138 | // store the integer type ID |
139 | theTarget << anID; |
140 | } |
141 | } |