0023024: Update headers of OCCT files
[occt.git] / src / Aspect / Aspect_GenId.cxx
CommitLineData
b311480e 1// Created on: 1992-05-14
2// Created by: NW,JPB,CAL
3// Copyright (c) 1992-1999 Matra Datavision
4// Copyright (c) 1999-2012 OPEN CASCADE SAS
5//
6// The content of this file is subject to the Open CASCADE Technology Public
7// License Version 6.5 (the "License"). You may not use the content of this file
8// except in compliance with the License. Please obtain a copy of the License
9// at http://www.opencascade.org and read it completely before using this file.
10//
11// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13//
14// The Original Code and all software distributed under the License is
15// distributed on an "AS IS" basis, without warranty of any kind, and the
16// Initial Developer hereby disclaims all such warranties, including without
17// limitation, any warranties of merchantability, fitness for a particular
18// purpose or non-infringement. Please see the License for the specific terms
19// and conditions governing the rights and limitations under the License.
20
7fd59977 21
7fd59977 22
7fd59977 23
24//-Version
25
26//-Design Declaration des variables specifiques aux identificateurs
27
28//-Warning Un identificateur est un entier.
29
30//-References
31
32//-Language C++ 2.0
33
34//-Declarations
35
36// for the class
37#include <Aspect_GenId.ixx>
38
39//-Aliases
40
41//-Global data definitions
42
43//-Constructors
44
45//-Destructors
46
47//-Methods, in order
48
49Aspect_GenId::Aspect_GenId ():
50
51 MyCount (INT_MAX/2 + 1),
52 MyLength (INT_MAX/2 + 1),
53 MyLowerBound (0),
54 MyUpperBound (INT_MAX/2),
55 MyFreeIds () {
56
57}
58
59Aspect_GenId::Aspect_GenId (const Standard_Integer Low, const Standard_Integer Up):MyFreeIds () {
60
61 if (Low <= Up) {
62 MyLowerBound = Low;
63 MyUpperBound = Up;
64 MyLength = MyUpperBound - MyLowerBound + 1;
65 MyCount = MyLength;
66 }
67 else
68 Aspect_IdentDefinitionError::Raise
69 ("GenId Create Error: Low > Up");
70
71}
72
73Standard_Integer Aspect_GenId::Available () const {
74
75 return (MyCount);
76
77}
78
79void Aspect_GenId::Free () {
80
81 MyCount = MyLength;
82 MyFreeIds.Clear ();
83
84}
85
86void Aspect_GenId::Free (const Standard_Integer Id) {
87
88 if ( (Id >= MyLowerBound) && (Id <= MyUpperBound) )
89 MyFreeIds.Prepend (Id);
90
91}
92
93Standard_Integer Aspect_GenId::Lower () const {
94
95 return (MyLowerBound);
96
97}
98
99Standard_Integer Aspect_GenId::Next () {
100
101 if (MyCount == 0)
102 Aspect_IdentDefinitionError::Raise
103 ("GenId Next Error: Available == 0");
104
105Standard_Integer Id;
106
107 if (! MyFreeIds.IsEmpty ()) {
108 Id = MyFreeIds.First ();
109 MyFreeIds.RemoveFirst ();
110 }
111 else {
112 MyCount --;
113 Id = MyLowerBound + MyLength - MyCount - 1;
114 }
115
116 return Id;
117
118}
119
120Standard_Integer Aspect_GenId::Upper () const {
121
122 return (MyUpperBound);
123
124}
125
126//void Aspect_GenId::Assign (const Aspect_GenId& Other) {
127//
128// MyLowerBound = Other.Lower ();
129// MyUpperBound = Other.Upper ();
130//
131//}