source: trunk/doc/src/snippets/qstringlist/main.cpp

Last change on this file was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

File size: 4.5 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the documentation of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:BSD$
10** You may use this file under the terms of the BSD license as follows:
11**
12** "Redistribution and use in source and binary forms, with or without
13** modification, are permitted provided that the following conditions are
14** met:
15** * Redistributions of source code must retain the above copyright
16** notice, this list of conditions and the following disclaimer.
17** * Redistributions in binary form must reproduce the above copyright
18** notice, this list of conditions and the following disclaimer in
19** the documentation and/or other materials provided with the
20** distribution.
21** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
22** the names of its contributors may be used to endorse or promote
23** products derived from this software without specific prior written
24** permission.
25**
26** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
37** $QT_END_LICENSE$
38**
39****************************************************************************/
40
41#include <QtGui>
42#include <iostream>
43using namespace std;
44
45class Widget : public QWidget
46{
47public:
48 Widget(QWidget *parent = 0);
49};
50
51Widget::Widget(QWidget *parent)
52 : QWidget(parent)
53{
54//! [0]
55 QStringList fonts;
56 fonts << "Arial" << "Helvetica" << "Times" << "Courier";
57//! [0]
58
59//! [1]
60 for (int i = 0; i < fonts.size(); ++i)
61 cout << fonts.at(i).toLocal8Bit().constData() << endl;
62//! [1]
63
64//! [2]
65 QStringListIterator javaStyleIterator(fonts);
66 while (javaStyleIterator.hasNext())
67 cout << javaStyleIterator.next().toLocal8Bit().constData() << endl;
68//! [2]
69
70//! [3]
71 QStringList::const_iterator constIterator;
72 for (constIterator = fonts.constBegin(); constIterator != fonts.constEnd();
73 ++constIterator)
74 cout << (*constIterator).toLocal8Bit().constData() << endl;
75//! [3]
76
77//! [4]
78 QString str = fonts.join(",");
79 // str == "Arial,Helvetica,Times,Courier"
80//! [4]
81
82//! [5] //! [6]
83 QStringList list;
84//! [5]
85 list = str.split(",");
86 // list: ["Arial", "Helvetica", "Times", "Courier"]
87//! [6]
88
89//! [7]
90 QStringList monospacedFonts = fonts.filter(QRegExp("Courier|Fixed"));
91//! [7]
92
93//! [8]
94 QStringList files;
95 files << "$QTDIR/src/moc/moc.y"
96 << "$QTDIR/src/moc/moc.l"
97 << "$QTDIR/include/qconfig.h";
98
99 files.replaceInStrings("$QTDIR", "/usr/lib/qt");
100 // files: [ "/usr/lib/qt/src/moc/moc.y", ...]
101//! [8]
102
103 QString str1, str2, str3;
104//! [9]
105 QStringList longerList = (QStringList() << str1 << str2 << str3);
106//! [9]
107
108 list.clear();
109//! [10]
110 list << "Bill Murray" << "John Doe" << "Bill Clinton";
111
112//! [11]
113 QStringList result;
114//! [11]
115 result = list.filter("Bill");
116 // result: ["Bill Murray", "Bill Clinton"]
117//! [10]
118
119 result.clear();
120//! [12]
121 foreach (const QString &str, list) {
122 if (str.contains("Bill"))
123 result += str;
124 }
125//! [12]
126
127 list.clear();
128//! [13]
129 list << "alpha" << "beta" << "gamma" << "epsilon";
130 list.replaceInStrings("a", "o");
131 // list == ["olpho", "beto", "gommo", "epsilon"]
132//! [13]
133
134 list.clear();
135//! [14]
136 list << "alpha" << "beta" << "gamma" << "epsilon";
137 list.replaceInStrings(QRegExp("^a"), "o");
138 // list == ["olpha", "beta", "gamma", "epsilon"]
139//! [14]
140
141 list.clear();
142//! [15]
143 list << "Bill Clinton" << "Murray, Bill";
144 list.replaceInStrings(QRegExp("^(.*), (.*)$"), "\\2 \\1");
145 // list == ["Bill Clinton", "Bill Murray"]
146//! [15]
147}
148
149int main(int argc, char *argv[])
150{
151 QApplication app(argc, argv);
152 Widget widget;
153 widget.show();
154 return app.exec();
155}
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