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
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtDebug>
#include "qpatternistlocale_p.h"
#include "qiodevicedelegate_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
QIODeviceDelegate::QIODeviceDelegate(QIODevice *const source) : m_source(source)
{
Q_ASSERT(m_source);
connect(source, SIGNAL(aboutToClose()), SIGNAL(aboutToClose()));
connect(source, SIGNAL(bytesWritten(qint64)), SIGNAL(bytesWritten(qint64)));
connect(source, SIGNAL(readChannelFinished()), SIGNAL(readChannelFinished()));
connect(source, SIGNAL(readyRead()), SIGNAL(readyRead()));
/* According to Thiago these two signals are very similar, but QtNetworkAccess uses finished()
* instead for a minor but significant reason. */
connect(source, SIGNAL(readChannelFinished()), SIGNAL(finished()));
/* For instance QFile emits no signals, so how do we know if the device has all data available
* and it therefore is safe and correct to emit finished()? isSequential() tells us whether it's
* not random access, and whether it's safe to emit finished(). */
if(m_source->isSequential())
QMetaObject::invokeMethod(this, "readyRead", Qt::QueuedConnection);
else
QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection);
setOpenMode(QIODevice::ReadOnly);
/* Set up the timeout timer. */
connect(&m_timeout, SIGNAL(timeout()), SLOT(networkTimeout()));
m_timeout.setSingleShot(true);
m_timeout.start(Timeout);
}
void QIODeviceDelegate::networkTimeout()
{
setErrorString(QtXmlPatterns::tr("Network timeout."));
error(QNetworkReply::TimeoutError);
}
void QIODeviceDelegate::abort()
{
/* Do nothing, just to please QNetworkReply's pure virtual. */
}
bool QIODeviceDelegate::atEnd() const
{
return m_source->atEnd();
}
qint64 QIODeviceDelegate::bytesAvailable() const
{
return m_source->bytesAvailable();
}
qint64 QIODeviceDelegate::bytesToWrite() const
{
return m_source->bytesToWrite();
}
bool QIODeviceDelegate::canReadLine() const
{
return m_source->canReadLine();
}
void QIODeviceDelegate::close()
{
return m_source->close();
}
bool QIODeviceDelegate::isSequential() const
{
return m_source->isSequential();
}
bool QIODeviceDelegate::open(OpenMode mode)
{
const bool success = m_source->open(mode);
setOpenMode(m_source->openMode());
return success;
}
qint64 QIODeviceDelegate::pos() const
{
return m_source->pos();
}
bool QIODeviceDelegate::reset()
{
return m_source->reset();
}
bool QIODeviceDelegate::seek(qint64 pos)
{
return m_source->seek(pos);
}
qint64 QIODeviceDelegate::size() const
{
return m_source->size();
}
bool QIODeviceDelegate::waitForBytesWritten(int msecs)
{
return m_source->waitForBytesWritten(msecs);
}
bool QIODeviceDelegate::waitForReadyRead(int msecs)
{
return m_source->waitForReadyRead(msecs);
}
qint64 QIODeviceDelegate::readData(char *data, qint64 maxSize)
{
return m_source->read(data, maxSize);
}
QT_END_NAMESPACE
|
