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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/* This file is part of the KDE project
Copyright (C) 2003 Jaroslaw Staniek <[email protected]>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KEXIDB_DRIVER_MNGR_P_H
#define KEXIDB_DRIVER_MNGR_P_H
#include <kexidb/object.h>
#include <qobject.h>
#include <qasciidict.h>
namespace KexiDB {
/*! Internal class of driver manager.
*/
class KEXI_DB_EXPORT DriverManagerInternal : public QObject, public KexiDB::Object
{
Q_OBJECT
public:
~DriverManagerInternal();
/*! Tries to load db driver \a name.
\return db driver, or 0 if error (then error message is also set) */
KexiDB::Driver* driver(const QString& name);
KexiDB::Driver::Info driverInfo(const QString &name);
static DriverManagerInternal *self();
/*! increments the refcount for the manager */
void incRefCount();
/*! decrements the refcount for the manager
if the refcount reaches a value less than 1 the manager is freed */
void decRefCount();
/*! Called from Driver dtor (because sometimes KLibrary (used by Driver)
is destroyed before DriverManagerInternal) */
void aboutDelete( Driver* drv );
protected slots:
/*! Used to destroy all drivers on QApplication quit, so even if there are
DriverManager's static instances that are destroyed on program
"static destruction", drivers are not kept after QApplication death.
*/
void slotAppQuits();
protected:
/*! Used by self() */
DriverManagerInternal();
bool lookupDrivers();
static KexiDB::DriverManagerInternal* s_self;
DriverManager::ServicesMap m_services; //! services map
DriverManager::ServicesMap m_services_lcase; //! as above but service names in lowercase
DriverManager::ServicesMap m_services_by_mimetype;
Driver::InfoMap m_driversInfo; //! used to store drivers information
QAsciiDict<KexiDB::Driver> m_drivers;
ulong m_refCount;
QString m_serverErrMsg;
int m_serverResultNum;
QString m_serverResultName;
//! result names for KParts::ComponentFactory::ComponentLoadingError
QMap<int,QString> m_componentLoadingErrors;
QStringList possibleProblems;
bool lookupDriversNeeded : 1;
friend class DriverManager;
};
}
#endif
|
