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1 | // Created by: DAUTRY Philippe |
2 | // Copyright (c) 1997-1999 Matra Datavision |
3 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
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 |
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. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #ifndef _DDF_HeaderFile |
17 | #define _DDF_HeaderFile |
18 | |
19 | #include <Standard.hxx> |
20 | #include <Standard_DefineAlloc.hxx> |
21 | #include <Standard_Handle.hxx> |
22 | |
23 | #include <Standard_Boolean.hxx> |
24 | #include <Standard_CString.hxx> |
25 | #include <Draw_Interpretor.hxx> |
26 | class TDF_Data; |
27 | class TDF_Label; |
28 | class Standard_GUID; |
29 | class TDF_Attribute; |
30 | class DDF_Data; |
31 | class DDF_Browser; |
32 | class DDF_Transaction; |
33 | |
34 | |
35 | //! Provides facilities to manipulate data framework |
36 | //! in a Draw-Commands environment. |
37 | class DDF |
38 | { |
39 | public: |
40 | |
41 | DEFINE_STANDARD_ALLOC |
42 | |
43 | |
44 | //! Search in draw directory the framewok identified |
45 | //! by its name <Name>. returns True if found. In that |
46 | //! case <DF> is setted. |
47 | Standard_EXPORT static Standard_Boolean GetDF (Standard_CString& Name, Handle(TDF_Data)& DF, const Standard_Boolean Complain = Standard_True); |
48 | |
49 | //! Search in <DF> the label identified by its entry |
50 | //! <Entry>. returns <True> if found. In that case |
51 | //! <Label> is setted. |
52 | Standard_EXPORT static Standard_Boolean FindLabel (const Handle(TDF_Data)& DF, const Standard_CString Entry, TDF_Label& Label, const Standard_Boolean Complain = Standard_True); |
53 | |
54 | //! Search in <DF> the label identified by its entry |
55 | //! <Entry>. if label doesn't exist, create and add |
56 | //! the Label in <DF>. In that case return True. |
57 | Standard_EXPORT static Standard_Boolean AddLabel (const Handle(TDF_Data)& DF, const Standard_CString Entry, TDF_Label& Label); |
58 | |
59 | //! Search in <DF> the attribute identified by its |
60 | //! <ID> and its <entry>. returns <True> if found. In |
61 | //! that case A is setted. |
62 | Standard_EXPORT static Standard_Boolean Find (const Handle(TDF_Data)& DF, const Standard_CString Entry, const Standard_GUID& ID, Handle(TDF_Attribute)& A, const Standard_Boolean Complain = Standard_True); |
63 | |
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64 | //! Safe variant for arbitrary type of argument |
65 | template <class T> |
66 | static Standard_Boolean Find (const Handle(TDF_Data)& DF, const Standard_CString Entry, const Standard_GUID& ID, Handle(T)& A, const Standard_Boolean Complain = Standard_True) |
67 | { |
68 | Handle(TDF_Attribute) anAttr = A; |
69 | return Find (DF, Entry, ID, anAttr, Complain) && ! (A = Handle(T)::DownCast(anAttr)).IsNull(); |
70 | } |
71 | |
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72 | Standard_EXPORT static Draw_Interpretor& ReturnLabel (Draw_Interpretor& theCommands, const TDF_Label& L); |
73 | |
74 | Standard_EXPORT static void AllCommands (Draw_Interpretor& theCommands); |
75 | |
76 | //! Basic commands. |
77 | Standard_EXPORT static void BasicCommands (Draw_Interpretor& theCommands); |
78 | |
79 | //! Data framework commands |
80 | //! create, clear & copy. |
81 | Standard_EXPORT static void DataCommands (Draw_Interpretor& theCommands); |
82 | |
83 | //! open commit abort a transaction |
84 | //! undo facilities. |
85 | Standard_EXPORT static void TransactionCommands (Draw_Interpretor& theCommands); |
86 | |
87 | //! Browser commands . |
88 | Standard_EXPORT static void BrowserCommands (Draw_Interpretor& theCommands); |
89 | |
90 | |
91 | |
92 | |
93 | protected: |
94 | |
95 | |
96 | |
97 | |
98 | |
99 | private: |
100 | |
101 | |
102 | |
103 | |
104 | friend class DDF_Data; |
105 | friend class DDF_Browser; |
106 | friend class DDF_Transaction; |
107 | |
108 | }; |
109 | |
110 | |
111 | |
112 | |
113 | |
114 | |
115 | |
116 | #endif // _DDF_HeaderFile |