/**************************************************************************** ** ** 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] QFile data("output.txt"); if (data.open(QFile::WriteOnly | QFile::Truncate)) { QTextStream out(&data); out << "Result: " << qSetFieldWidth(10) << left << 3.14 << 2.7; // writes "Result: 3.14 2.7 " } //! [0] //! [1] QTextStream stream(stdin); QString line; do { line = stream.readLine(); } while (!line.isNull()); //! [1] //! [2] QTextStream in("0x50 0x20"); int firstNumber, secondNumber; in >> firstNumber; // firstNumber == 80 in >> dec >> secondNumber; // secondNumber == 0 char ch; in >> ch; // ch == 'x' //! [2] //! [3] int main(int argc, char *argv[]) { // read numeric arguments (123, 0x20, 4.5...) for (int i = 1; i < argc; ++i) { int number; QTextStream in(argv[i]); in >> number; ... } } //! [3] //! [4] QString str; QTextStream in(stdin); in >> str; //! [4] //! [5] QString s; QTextStream out(&s); out.setFieldWidth(10); out.setFieldAlignment(QTextStream::AlignCenter); out.setPadChar('-'); out << "Qt" << "rocks!"; //! [5] //! [6] ----Qt------rocks!-- //! [6] //! [7] QTextStream in(file); QChar ch1, ch2, ch3; in >> ch1 >> ch2 >> ch3; //! [7] //! [8] QTextStream out(stdout); out << "Qt rocks!" << endl; //! [8] //! [9] stream << '\n' << flush; //! [9] //! [10] QTextStream out(&file); out.setCodec("UTF-8"); //! [10]