1 /****************************************************************************
2 **
3 ** Copyright (C) 2015 The Qt Company Ltd.
4 ** Contact: http://www.qt.io/licensing/
5 **
6 ** This file is part of the QtGui module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see http://www.qt.io/terms-conditions. For further
15 ** information use the contact form at http://www.qt.io/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 or version 3 as published by the Free
20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
22 ** following information to ensure the GNU Lesser General Public License
23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
25 **
26 ** As a special exception, The Qt Company gives you certain additional
27 ** rights. These rights are described in The Qt Company LGPL Exception
28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
29 **
30 ** GNU General Public License Usage
31 ** Alternatively, this file may be used under the terms of the GNU
32 ** General Public License version 3.0 as published by the Free Software
33 ** Foundation and appearing in the file LICENSE.GPL included in the
34 ** packaging of this file. Please review the following information to
35 ** ensure the GNU General Public License version 3.0 requirements will be
36 ** met: http://www.gnu.org/copyleft/gpl.html.
37 **
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41
42 #ifndef QWSPROTOCOLITEM_QWS_H
43 #define QWSPROTOCOLITEM_QWS_H
44
45 /*********************************************************************
46 *
47 * QWSCommand base class - only use derived classes from that
48 *
49 *********************************************************************/
50
51 #include <QtCore/qglobal.h>
52
53 QT_BEGIN_HEADER
54
55 QT_BEGIN_NAMESPACE
56
QT_MODULE(Gui)57 QT_MODULE(Gui)
58
59 class QIODevice;
60
61 struct QWSProtocolItem
62 {
63 // ctor - dtor
64 QWSProtocolItem(int t, int len, char *ptr) : type(t),
65 simpleLen(len), rawLen(-1), deleteRaw(false), simpleDataPtr(ptr),
66 rawDataPtr(0), bytesRead(0) { }
67 virtual ~QWSProtocolItem();
68
69 // data
70 int type;
71 int simpleLen;
72 int rawLen;
73 bool deleteRaw;
74
75 // functions
76 #ifndef QT_NO_QWS_MULTIPROCESS
77 void write(QIODevice *s);
78 bool read(QIODevice *s);
79 #endif
80 void copyFrom(const QWSProtocolItem *item);
81
82 virtual void setData(const char *data, int len, bool allocateMem = true);
83
84 char *simpleDataPtr;
85 char *rawDataPtr;
86 // temp variables
87 int bytesRead;
88 };
89
90 // This should probably be a method on QWSProtocolItem, but this way avoids
91 // changing the API of this apparently public header
92 // size = (int)type + (int)rawLenSize + simpleLen + rawLen
93 #define QWS_PROTOCOL_ITEM_SIZE( item ) \
94 (2 * sizeof(int)) + ((item).simpleDataPtr ? (item).simpleLen : 0) + ((item).rawDataPtr ? (item).rawLen : 0)
95
96 QT_END_NAMESPACE
97
98 QT_END_HEADER
99
100 #endif // QWSPROTOCOLITEM_QWS_H
101