0026377: Passing Handle objects as arguments to functions as non-const reference...
[occt.git] / src / DDF / DDF.cxx
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b311480e 1// Created by: DAUTRY Philippe
2// Copyright (c) 1997-1999 Matra Datavision
973c2be1 3// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
b311480e 6//
d5f74e42 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
973c2be1 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.
b311480e 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
b311480e 15
7fd59977 16// -------
7fd59977 17// Version: 0.0
b311480e 18//Version Date Purpose
7fd59977 19// 0.0 Feb 10 1997 Creation
20
42cf5bc1 21#include <DDF.hxx>
7fd59977 22#include <DDF_Data.hxx>
7fd59977 23#include <Draw.hxx>
42cf5bc1 24#include <Standard_GUID.hxx>
25#include <TCollection_AsciiString.hxx>
7fd59977 26#include <TColStd_HArray1OfInteger.hxx>
27#include <TColStd_ListIteratorOfListOfInteger.hxx>
28#include <TColStd_ListOfInteger.hxx>
42cf5bc1 29#include <TDF_Attribute.hxx>
7fd59977 30#include <TDF_ChildIterator.hxx>
42cf5bc1 31#include <TDF_Data.hxx>
7fd59977 32#include <TDF_Label.hxx>
33#include <TDF_Tool.hxx>
34
35//=======================================================================
36//function : AddLabel
37//purpose :
38//=======================================================================
7fd59977 39Standard_Boolean DDF::AddLabel
40
41(
42 const Handle(TDF_Data)& DF,
43 const Standard_CString Entry,
44 TDF_Label& Label
45)
46{
47 TDF_Tool::Label (DF,Entry,Label,Standard_True);
48 return Standard_True;
49}
50
51
52//=======================================================================
53//function : FindLabel
54//purpose :
55//=======================================================================
56
57Standard_Boolean DDF::FindLabel (const Handle(TDF_Data)& DF,
58 const Standard_CString Entry,
59 TDF_Label& Label,
60 const Standard_Boolean Complain)
61{
62 Label.Nullify();
63 TDF_Tool::Label(DF,Entry,Label,Standard_False);
64 if (Label.IsNull() && Complain) cout << "No label for entry " << Entry <<endl;
65 return !Label.IsNull();
66}
67
68
69//=======================================================================
70//function : GetDF
71//purpose :
72//=======================================================================
73
74Standard_Boolean DDF::GetDF (Standard_CString& Name,
75 Handle(TDF_Data)& DF,
76 const Standard_Boolean Complain)
77{
78 Handle(Standard_Transient) t = Draw::Get(Name, Complain);
79 Handle(DDF_Data) DDF = Handle(DDF_Data)::DownCast (t);
80 //Handle(DDF_Data) DDF = Handle(DDF_Data)::DownCast (Draw::Get(Name, Complain));
81 if (!DDF.IsNull()) {
82 DF = DDF->DataFramework();
83 return Standard_True;
84 }
85 if (Complain) cout <<"framework "<<Name<<" not found "<< endl;
86 return Standard_False;
87}
88
89
90//=======================================================================
91//function : Find
92//purpose : Finds an attribute.
93//=======================================================================
94
95Standard_Boolean DDF::Find (const Handle(TDF_Data)& DF,
96 const Standard_CString Entry,
97 const Standard_GUID& ID,
98 Handle(TDF_Attribute)& A,
99 const Standard_Boolean Complain)
100{
101 TDF_Label L;
102 if (FindLabel(DF,Entry,L,Complain)) {
103 if (L.FindAttribute(ID,A)) return Standard_True;
104 if (Complain) cout <<"attribute not found for entry : "<< Entry <<endl;
105 }
106 return Standard_False;
107}
108
109
110//=======================================================================
111//function : ReturnLabel
112//purpose :
113//=======================================================================
114
115Draw_Interpretor& DDF::ReturnLabel(Draw_Interpretor& di, const TDF_Label& L)
116{
117 TCollection_AsciiString S;
118 TDF_Tool::Entry(L,S);
119 di << S.ToCString();
120 return di;
121}
122
123
124//=======================================================================
125//function : AllCommands
126//purpose :
127//=======================================================================
128
129void DDF::AllCommands(Draw_Interpretor& theCommands)
130{
131 static Standard_Boolean done = Standard_False;
132 if (done) return;
133 done = Standard_True;
134
135 DDF::BasicCommands (theCommands);
136 DDF::DataCommands (theCommands);
137 DDF::TransactionCommands (theCommands);
138 DDF::BrowserCommands (theCommands);
139 // define the TCL variable DDF
140 const char* com = "set DDF";
141 theCommands.Eval(com);
142}
143
144
145