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1 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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2 | // |
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3 | // This file is part of Open CASCADE Technology software library. |
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4 | // |
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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 |
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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. |
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10 | // |
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11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
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13 | |
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14 | |
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15 | #include <IGESData_FileProtocol.hxx> |
16 | #include <IGESData_Protocol.hxx> |
17 | #include <Interface_Protocol.hxx> |
18 | #include <Standard_Type.hxx> |
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19 | |
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20 | IMPLEMENT_STANDARD_RTTIEXT(IGESData_FileProtocol,IGESData_Protocol) |
21 | |
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22 | IGESData_FileProtocol::IGESData_FileProtocol () { } |
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23 | |
24 | void IGESData_FileProtocol::Add (const Handle(IGESData_Protocol)& protocol) |
25 | { |
26 | if (theresource.IsNull()) theresource = protocol; |
27 | else if (theresource->IsInstance(protocol->DynamicType())) return; // passer |
28 | else if (!thenext.IsNull()) thenext->Add(protocol); |
29 | else { |
30 | thenext = new IGESData_FileProtocol; |
31 | thenext->Add(protocol); |
32 | } |
33 | } |
34 | |
35 | Standard_Integer IGESData_FileProtocol::NbResources () const |
36 | { |
37 | Standard_Integer nb = (theresource.IsNull() ? 0 : 1); |
38 | if (!thenext.IsNull()) nb += thenext->NbResources(); |
39 | return nb; |
40 | } |
41 | |
42 | Handle(Interface_Protocol) IGESData_FileProtocol::Resource |
43 | (const Standard_Integer num) const |
44 | { |
45 | Handle(IGESData_Protocol) res; |
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46 | if (num == 1) return Handle(Interface_Protocol) (theresource); |
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47 | else if (!thenext.IsNull()) return thenext->Resource(num-1); |
48 | return res; // Null |
49 | } |