blob: d44c64cede400a213e934ab25b108265e864a488 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
// File: TDF_Attribute.lxx
// -----------------
// Author: DAUTRY Philippe
// <fid@fox.paris1.matra-dtv.fr>
// Copyright: Matra Datavision 1997
// Version: 0.0
// History: Version Date Purpose
// 0.0 Feb 14 1997 Creation
enum {
TDF_AttributeValidMsk = 1,
TDF_AttributeBackupMsk = 2,
TDF_AttributeForgottenMsk = 4
};
inline Standard_Integer TDF_Attribute::Transaction() const
{ return myTransaction; }
// Validation
inline void TDF_Attribute::Validate(const Standard_Boolean aStatus)
{ myFlags = (aStatus) ?
(myFlags | TDF_AttributeValidMsk) : (myFlags & ~TDF_AttributeValidMsk); }
inline Standard_Boolean TDF_Attribute::IsValid() const
{ return (myFlags & TDF_AttributeValidMsk) != 0 ; }
// Backup
inline void TDF_Attribute::Backup(const Standard_Boolean aStatus)
{
myFlags = (aStatus) ?
(myFlags | TDF_AttributeBackupMsk) : (myFlags & ~ TDF_AttributeBackupMsk);
Validate(!aStatus);
}
inline Standard_Boolean TDF_Attribute::IsBackuped() const
{ return (myFlags & TDF_AttributeBackupMsk) != 0; }
// IsNew
inline Standard_Boolean TDF_Attribute::IsNew() const
{ return IsValid () && myBackup.IsNull(); }
// IsForgotten
inline Standard_Boolean TDF_Attribute::IsForgotten() const
{ return (myFlags & TDF_AttributeForgottenMsk) != 0; }
// operator <<
inline Standard_OStream& operator << (Standard_OStream& anOS,
const Handle(TDF_Attribute)& anAtt)
{ return anAtt->Dump(anOS); }
|
