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Diffstat (limited to 'doc/src/snippets/code/src_corelib_tools_qvector.cpp')
-rw-r--r-- | doc/src/snippets/code/src_corelib_tools_qvector.cpp | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/doc/src/snippets/code/src_corelib_tools_qvector.cpp b/doc/src/snippets/code/src_corelib_tools_qvector.cpp new file mode 100644 index 0000000000..fc46d913d3 --- /dev/null +++ b/doc/src/snippets/code/src_corelib_tools_qvector.cpp @@ -0,0 +1,183 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation 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 Nokia Corporation 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +QVector<int> integerVector; +QVector<QString> stringVector; +//! [0] + + +//! [1] +QVector<QString> vector(200); +//! [1] + + +//! [2] +QVector<QString> vector(200, "Pass"); +//! [2] + + +//! [3] +if (vector[0] == "Liz") + vector[0] = "Elizabeth"; +//! [3] + + +//! [4] +for (int i = 0; i < vector.size(); ++i) { + if (vector.at(i) == "Alfonso") + cout << "Found Alfonso at position " << i << endl; +} +//! [4] + + +//! [5] +int i = vector.indexOf("Harumi"); +if (i != -1) + cout << "First occurrence of Harumi is at position " << i << endl; +//! [5] + + +//! [6] +QVector<int> vector(10); +int *data = vector.data(); +for (int i = 0; i < 10; ++i) + data[i] = 2 * i; +//! [6] + + +//! [7] +QVector<QString> vector(0); +vector.append("one"); +vector.append("two"); +vector.append("three"); +// vector: ["one", "two", "three"] +//! [7] + + +//! [8] +QVector<QString> vector; +vector.prepend("one"); +vector.prepend("two"); +vector.prepend("three"); +// vector: ["three", "two", "one"] +//! [8] + + +//! [9] +QVector<QString> vector; +vector << "alpha" << "beta" << "delta"; +vector.insert(2, "gamma"); +// vector: ["alpha", "beta", "gamma", "delta"] +//! [9] + + +//! [10] +QVector<double> vector; +vector << 2.718 << 1.442 << 0.4342; +vector.insert(1, 3, 9.9); +// vector: [2.718, 9.9, 9.9, 9.9, 1.442, 0.4342] +//! [10] + + +//! [11] +QVector<QString> vector(3); +vector.fill("Yes"); +// vector: ["Yes", "Yes", "Yes"] + +vector.fill("oh", 5); +// vector: ["oh", "oh", "oh", "oh", "oh"] +//! [11] + + +//! [12] +QVector<QString> vector; +vector << "A" << "B" << "C" << "B" << "A"; +vector.indexOf("B"); // returns 1 +vector.indexOf("B", 1); // returns 1 +vector.indexOf("B", 2); // returns 3 +vector.indexOf("X"); // returns -1 +//! [12] + + +//! [13] +QList<QString> vector; +vector << "A" << "B" << "C" << "B" << "A"; +vector.lastIndexOf("B"); // returns 3 +vector.lastIndexOf("B", 3); // returns 3 +vector.lastIndexOf("B", 2); // returns 1 +vector.lastIndexOf("X"); // returns -1 +//! [13] + + +//! [14] +QVector<double> vect; +vect << "red" << "green" << "blue" << "black"; + +QList<double> list = vect.toList(); +// list: ["red", "green", "blue", "black"] +//! [14] + + +//! [15] +QStringList list; +list << "Sven" << "Kim" << "Ola"; + +QVector<QString> vect = QVector<QString>::fromList(list); +// vect: ["Sven", "Kim", "Ola"] +//! [15] + + +//! [16] +std::vector<double> stdvector; +vector.push_back(1.2); +vector.push_back(0.5); +vector.push_back(3.14); + +QVector<double> vector = QVector<double>::fromStdVector(stdvector); +//! [16] + + +//! [17] +QVector<double> vector; +vector << 1.2 << 0.5 << 3.14; + +std::vector<double> stdvector = vector.toStdVector(); +//! [17] |