summaryrefslogtreecommitdiffstats
path: root/src/dbus/qdbusargument_p.h
blob: 02f86c1413a07484145217f228b75944cccb60a9 (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
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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtDBus module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QDBUSARGUMENT_P_H
#define QDBUSARGUMENT_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include <qdbusargument.h>
#include "qdbusunixfiledescriptor.h"
#include "qdbus_symbols_p.h"

#ifndef QT_NO_DBUS

#ifndef DBUS_TYPE_UNIX_FD
# define DBUS_TYPE_UNIX_FD int('h')
# define DBUS_TYPE_UNIX_FD_AS_STRING "h"
#endif

QT_BEGIN_NAMESPACE

class QDBusMarshaller;
class QDBusDemarshaller;
class QDBusArgumentPrivate
{
public:
    inline QDBusArgumentPrivate(int flags = 0)
        : message(0), ref(1), capabilities(flags)
    { }
    ~QDBusArgumentPrivate();

    static bool checkRead(QDBusArgumentPrivate *d);
    static bool checkReadAndDetach(QDBusArgumentPrivate *&d);
    static bool checkWrite(QDBusArgumentPrivate *&d);

    QDBusMarshaller *marshaller();
    QDBusDemarshaller *demarshaller();

    static QByteArray createSignature(int id);
    static inline QDBusArgument create(QDBusArgumentPrivate *d)
    {
        QDBusArgument q(d);
        return q;
    }
    static inline QDBusArgumentPrivate *d(QDBusArgument &q)
    { return q.d; }

public:
    DBusMessage *message;
    QAtomicInt ref;
    int capabilities;
    enum Direction {
        Marshalling,
        Demarshalling
    } direction;
};

class QDBusMarshaller: public QDBusArgumentPrivate
{
public:
    QDBusMarshaller(int flags) : QDBusArgumentPrivate(flags), parent(0), ba(0), closeCode(0), ok(true)
    { direction = Marshalling; }
    ~QDBusMarshaller();

    QString currentSignature();

    void append(uchar arg);
    void append(bool arg);
    void append(short arg);
    void append(ushort arg);
    void append(int arg);
    void append(uint arg);
    void append(qlonglong arg);
    void append(qulonglong arg);
    void append(double arg);
    void append(const QString &arg);
    void append(const QDBusObjectPath &arg);
    void append(const QDBusSignature &arg);
    void append(const QDBusUnixFileDescriptor &arg);
    void append(const QStringList &arg);
    void append(const QByteArray &arg);
    bool append(const QDBusVariant &arg); // this one can fail

    QDBusMarshaller *beginStructure();
    QDBusMarshaller *endStructure();
    QDBusMarshaller *beginArray(int id);
    QDBusMarshaller *endArray();
    QDBusMarshaller *beginMap(int kid, int vid);
    QDBusMarshaller *endMap();
    QDBusMarshaller *beginMapEntry();
    QDBusMarshaller *endMapEntry();
    QDBusMarshaller *beginCommon(int code, const char *signature);
    QDBusMarshaller *endCommon();
    void open(QDBusMarshaller &sub, int code, const char *signature);
    void close();
    void error(const QString &message);

    bool appendVariantInternal(const QVariant &arg);
    bool appendRegisteredType(const QVariant &arg);
    bool appendCrossMarshalling(QDBusDemarshaller *arg);

public:
    DBusMessageIter iterator;
    QDBusMarshaller *parent;
    QByteArray *ba;
    QString errorString;
    char closeCode;
    bool ok;

private:
    Q_DISABLE_COPY(QDBusMarshaller)
};

class QDBusDemarshaller: public QDBusArgumentPrivate
{
public:
    inline QDBusDemarshaller(int flags) : QDBusArgumentPrivate(flags), parent(0)
    { direction = Demarshalling; }
    ~QDBusDemarshaller();

    QString currentSignature();

    uchar toByte();
    bool toBool();
    ushort toUShort();
    short toShort();
    int toInt();
    uint toUInt();
    qlonglong toLongLong();
    qulonglong toULongLong();
    double toDouble();
    QString toString();
    QDBusObjectPath toObjectPath();
    QDBusSignature toSignature();
    QDBusUnixFileDescriptor toUnixFileDescriptor();
    QDBusVariant toVariant();
    QStringList toStringList();
    QByteArray toByteArray();

    QDBusDemarshaller *beginStructure();
    QDBusDemarshaller *endStructure();
    QDBusDemarshaller *beginArray();
    QDBusDemarshaller *endArray();
    QDBusDemarshaller *beginMap();
    QDBusDemarshaller *endMap();
    QDBusDemarshaller *beginMapEntry();
    QDBusDemarshaller *endMapEntry();
    QDBusDemarshaller *beginCommon();
    QDBusDemarshaller *endCommon();
    QDBusArgument duplicate();
    inline void close() { }

    bool atEnd();

    QVariant toVariantInternal();
    QDBusArgument::ElementType currentType();
    bool isCurrentTypeStringLike();

public:
    DBusMessageIter iterator;
    QDBusDemarshaller *parent;

private:
    Q_DISABLE_COPY(QDBusDemarshaller)
    QString toStringUnchecked();
    QDBusObjectPath toObjectPathUnchecked();
    QDBusSignature toSignatureUnchecked();
    QStringList toStringListUnchecked();
    QByteArray toByteArrayUnchecked();
};

inline QDBusMarshaller *QDBusArgumentPrivate::marshaller()
{ return static_cast<QDBusMarshaller *>(this); }

inline QDBusDemarshaller *QDBusArgumentPrivate::demarshaller()
{ return static_cast<QDBusDemarshaller *>(this); }

QT_END_NAMESPACE

#endif // QT_NO_DBUS
#endif