1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the documentation of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:BSD$
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15 ** notice, this list of conditions and the following disclaimer.
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25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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39 ****************************************************************************/
42 #include <QTextStream>
44 static void process_line(const QByteArray &)
48 static void process_line(const QString &)
52 static void noStream_snippet()
56 if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
59 while (!file.atEnd()) {
60 QByteArray line = file.readLine();
66 static void readTextStream_snippet()
70 if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
73 QTextStream in(&file);
75 QString line = in.readLine();
81 static void writeTextStream_snippet()
84 QFile file("out.txt");
85 if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
88 QTextStream out(&file);
89 out << "The magic number is: " << 49 << "\n";
93 static void writeTextStream_snippet()
95 QFile file("out.dat");
96 if (!file.open(QIODevice::WriteOnly))
99 QDataStream out(&file);
100 out << "The magic number is: " << 49 << "\n";
103 static void readRegularEmptyFile_snippet()
106 QFile file("/proc/modules");
107 if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
110 QTextStream in(&file);
111 QString line = in.readLine();
112 while (!line.isNull()) {
114 line = in.readLine();
121 lineByLine_snippet();
122 writeStream_snippet();