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
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "fileio.h"
#include <QFile>
#include <QTextStream>
#include <QDir>
#include <QtCore/QStandardPaths>
#include <QUuid>
#include <QDebug>
FileIO::FileIO(QObject *parent, QString filename) :
QObject(parent)
{
QString path = QStandardPaths::standardLocations(QStandardPaths::DataLocation).value(0);
QDir dir(path);
if (!dir.exists())
dir.mkpath(path);
if (!path.isEmpty() && !path.endsWith("/"))
path += "/";
mSource = QString("%1%2").arg(path).arg(filename);
}
QString FileIO::read()
{
if (mSource.isEmpty()) {
emit error("source is empty");
return QString();
}
QFile file(mSource);
QString fileContent;
if (file.open(QIODevice::ReadOnly)) {
QString line;
QTextStream t(&file);
do {
line = t.readLine();
fileContent += line;
} while (!line.isNull());
file.close();
} else {
emit error("Unable to open the file");
//qDebug() << "unable to open file " << mSource;
return QString();
}
return fileContent;
}
bool FileIO::write(const QString &data)
{
QFile file(mSource);
if (!file.open(QFile::WriteOnly | QFile::Truncate)) {
//qDebug() << "could not open file";
return false;
}
QTextStream out(&file);
out << data;
//qDebug() << "data written " << data;
file.close();
return true;
}
QString FileIO::createUUID()
{
QString uuid = QUuid::createUuid().toString();
// Remove curly brackets
uuid.remove(0,1);
uuid.remove(uuid.length() - 1,1);
return uuid;
}
|