0030870: Data Exchange - Add the support for empty draughting models and empty presen...
[occt.git] / src / RWStepVisual / RWStepVisual_RWPresentationLayerAssignment.cxx
1 // Copyright (c) 1999-2014 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
15 #include <Interface_Check.hxx>
16 #include <Interface_EntityIterator.hxx>
17 #include <RWStepVisual_RWPresentationLayerAssignment.hxx>
18 #include <StepData_StepReaderData.hxx>
19 #include <StepData_StepWriter.hxx>
20 #include <StepVisual_HArray1OfLayeredItem.hxx>
21 #include <StepVisual_LayeredItem.hxx>
22 #include <StepVisual_PresentationLayerAssignment.hxx>
23
24 RWStepVisual_RWPresentationLayerAssignment::RWStepVisual_RWPresentationLayerAssignment () {}
25
26 void RWStepVisual_RWPresentationLayerAssignment::ReadStep
27         (const Handle(StepData_StepReaderData)& data,
28          const Standard_Integer num,
29          Handle(Interface_Check)& ach,
30          const Handle(StepVisual_PresentationLayerAssignment)& ent) const
31 {
32
33
34         // --- Number of Parameter Control ---
35
36         if (!data->CheckNbParams(num,3,ach,"presentation_layer_assignment")) return;
37
38         // --- own field : name ---
39
40         Handle(TCollection_HAsciiString) aName;
41         //szv#4:S4163:12Mar99 `Standard_Boolean stat1 =` not needed
42         data->ReadString (num,1,"name",ach,aName);
43
44         // --- own field : description ---
45
46         Handle(TCollection_HAsciiString) aDescription;
47         //szv#4:S4163:12Mar99 `Standard_Boolean stat2 =` not needed
48         data->ReadString (num,2,"description",ach,aDescription);
49
50         // --- own field : assignedItems ---
51
52         Handle(StepVisual_HArray1OfLayeredItem) aAssignedItems;
53         StepVisual_LayeredItem aAssignedItemsItem;
54         Standard_Integer nsub3;
55         if (data->ReadSubList (num,3,"assigned_items",ach,nsub3)) {
56           Standard_Integer nb3 = data->NbParams(nsub3);
57     if (nb3 > 0)
58     {
59             aAssignedItems = new StepVisual_HArray1OfLayeredItem (1, nb3);
60             for (Standard_Integer i3 = 1; i3 <= nb3; i3 ++) {
61               //szv#4:S4163:12Mar99 `Standard_Boolean stat3 =` not needed
62               if (data->ReadEntity (nsub3,i3,"assigned_items",ach,aAssignedItemsItem))
63                 aAssignedItems->SetValue(i3,aAssignedItemsItem);
64             }
65     }
66         }
67
68         //--- Initialisation of the read entity ---
69
70
71         ent->Init(aName, aDescription, aAssignedItems);
72 }
73
74
75 void RWStepVisual_RWPresentationLayerAssignment::WriteStep
76         (StepData_StepWriter& SW,
77          const Handle(StepVisual_PresentationLayerAssignment)& ent) const
78 {
79
80         // --- own field : name ---
81
82         SW.Send(ent->Name());
83
84         // --- own field : description ---
85
86         SW.Send(ent->Description());
87
88         // --- own field : assignedItems ---
89
90         SW.OpenSub();
91         for (Standard_Integer i3 = 1;  i3 <= ent->NbAssignedItems();  i3 ++) {
92           SW.Send(ent->AssignedItemsValue(i3).Value());
93         }
94         SW.CloseSub();
95 }
96
97
98 void RWStepVisual_RWPresentationLayerAssignment::Share(const Handle(StepVisual_PresentationLayerAssignment)& ent, Interface_EntityIterator& iter) const
99 {
100
101         Standard_Integer nbElem1 = ent->NbAssignedItems();
102         for (Standard_Integer is1=1; is1<=nbElem1; is1 ++) {
103           iter.GetOneItem(ent->AssignedItemsValue(is1).Value());
104         }
105
106 }
107