diff options
Diffstat (limited to 'doc/src/snippets/code/src_corelib_tools_qbytearray.cpp')
-rw-r--r-- | doc/src/snippets/code/src_corelib_tools_qbytearray.cpp | 421 |
1 files changed, 0 insertions, 421 deletions
diff --git a/doc/src/snippets/code/src_corelib_tools_qbytearray.cpp b/doc/src/snippets/code/src_corelib_tools_qbytearray.cpp deleted file mode 100644 index a232f490b2..0000000000 --- a/doc/src/snippets/code/src_corelib_tools_qbytearray.cpp +++ /dev/null @@ -1,421 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - - -void wrapInFunction() -{ - -//! [0] -QByteArray ba("Hello"); -//! [0] - - -//! [1] -QByteArray ba; -ba.resize(5); -ba[0] = 0x3c; -ba[1] = 0xb8; -ba[2] = 0x64; -ba[3] = 0x18; -ba[4] = 0xca; -//! [1] - - -//! [2] -for (int i = 0; i < ba.size(); ++i) { - if (ba.at(i) >= 'a' && ba.at(i) <= 'f') - cout << "Found character in range [a-f]" << endl; -} -//! [2] - - -//! [3] -QByteArray x("and"); -x.prepend("rock "); // x == "rock and" -x.append(" roll"); // x == "rock and roll" -x.replace(5, 3, "&"); // x == "rock & roll" -//! [3] - - -//! [4] -QByteArray ba("We must be <b>bold</b>, very <b>bold</b>"); -int j = 0; -while ((j = ba.indexOf("<b>", j)) != -1) { - cout << "Found <b> tag at index position " << j << endl; - ++j; -} -//! [4] - - -//! [5] -QByteArray().isNull(); // returns true -QByteArray().isEmpty(); // returns true - -QByteArray("").isNull(); // returns false -QByteArray("").isEmpty(); // returns true - -QByteArray("abc").isNull(); // returns false -QByteArray("abc").isEmpty(); // returns false -//! [5] - - -//! [6] -QByteArray ba("Hello"); -int n = ba.size(); // n == 5 -ba.data()[0]; // returns 'H' -ba.data()[4]; // returns 'o' -ba.data()[5]; // returns '\0' -//! [6] - - -//! [7] -QByteArray().isEmpty(); // returns true -QByteArray("").isEmpty(); // returns true -QByteArray("abc").isEmpty(); // returns false -//! [7] - - -//! [8] -QByteArray ba("Hello world"); -char *data = ba.data(); -while (*data) { - cout << "[" << *data << "]" << endl; - ++data; -} -//! [8] - - -//! [9] -QByteArray ba; -for (int i = 0; i < 10; ++i) - ba[i] = 'A' + i; -// ba == "ABCDEFGHIJ" -//! [9] - - -//! [10] -QByteArray ba("Stockholm"); -ba.truncate(5); // ba == "Stock" -//! [10] - - -//! [11] -QByteArray ba("STARTTLS\r\n"); -ba.chop(2); // ba == "STARTTLS" -//! [11] - - -//! [12] -QByteArray x("free"); -QByteArray y("dom"); -x += y; -// x == "freedom" -//! [12] - - -//! [13] -QByteArray().isNull(); // returns true -QByteArray("").isNull(); // returns false -QByteArray("abc").isNull(); // returns false -//! [13] - - -//! [14] -QByteArray ba("Istambul"); -ba.fill('o'); -// ba == "oooooooo" - -ba.fill('X', 2); -// ba == "XX" -//! [14] - - -//! [15] -QByteArray x("ship"); -QByteArray y("air"); -x.prepend(y); -// x == "airship" -//! [15] - - -//! [16] -QByteArray x("free"); -QByteArray y("dom"); -x.append(y); -// x == "freedom" -//! [16] - - -//! [17] -QByteArray ba("Meal"); -ba.insert(1, QByteArray("ontr")); -// ba == "Montreal" -//! [17] - - -//! [18] -QByteArray ba("Montreal"); -ba.remove(1, 4); -// ba == "Meal" -//! [18] - - -//! [19] -QByteArray x("Say yes!"); -QByteArray y("no"); -x.replace(4, 3, y); -// x == "Say no!" -//! [19] - - -//! [20] -QByteArray ba("colour behaviour flavour neighbour"); -ba.replace(QByteArray("ou"), QByteArray("o")); -// ba == "color behavior flavor neighbor" -//! [20] - - -//! [21] -QByteArray x("sticky question"); -QByteArray y("sti"); -x.indexOf(y); // returns 0 -x.indexOf(y, 1); // returns 10 -x.indexOf(y, 10); // returns 10 -x.indexOf(y, 11); // returns -1 -//! [21] - - -//! [22] -QByteArray ba("ABCBA"); -ba.indexOf("B"); // returns 1 -ba.indexOf("B", 1); // returns 1 -ba.indexOf("B", 2); // returns 3 -ba.indexOf("X"); // returns -1 -//! [22] - - -//! [23] -QByteArray x("crazy azimuths"); -QByteArray y("az"); -x.lastIndexOf(y); // returns 6 -x.lastIndexOf(y, 6); // returns 6 -x.lastIndexOf(y, 5); // returns 2 -x.lastIndexOf(y, 1); // returns -1 -//! [23] - - -//! [24] -QByteArray ba("ABCBA"); -ba.lastIndexOf("B"); // returns 3 -ba.lastIndexOf("B", 3); // returns 3 -ba.lastIndexOf("B", 2); // returns 1 -ba.lastIndexOf("X"); // returns -1 -//! [24] - - -//! [25] -QByteArray url("ftp://ftp.qt.nokia.com/"); -if (url.startsWith("ftp:")) - ... -//! [25] - - -//! [26] -QByteArray url("http://qt.nokia.com/index.html"); -if (url.endsWith(".html")) - ... -//! [26] - - -//! [27] -QByteArray x("Pineapple"); -QByteArray y = x.left(4); -// y == "Pine" -//! [27] - - -//! [28] -QByteArray x("Pineapple"); -QByteArray y = x.right(5); -// y == "apple" -//! [28] - - -//! [29] -QByteArray x("Five pineapples"); -QByteArray y = x.mid(5, 4); // y == "pine" -QByteArray z = x.mid(5); // z == "pineapples" -//! [29] - - -//! [30] -QByteArray x("Qt by NOKIA"); -QByteArray y = x.toLower(); -// y == "qt by nokia" -//! [30] - - -//! [31] -QByteArray x("Qt by NOKIA"); -QByteArray y = x.toUpper(); -// y == "QT BY NOKIA" -//! [31] - - -//! [32] -QByteArray ba(" lots\t of\nwhitespace\r\n "); -ba = ba.simplified(); -// ba == "lots of whitespace"; -//! [32] - - -//! [33] -QByteArray ba(" lots\t of\nwhitespace\r\n "); -ba = ba.trimmed(); -// ba == "lots\t of\nwhitespace"; -//! [33] - - -//! [34] -QByteArray x("apple"); -QByteArray y = x.leftJustified(8, '.'); // y == "apple..." -//! [34] - - -//! [35] -QByteArray x("apple"); -QByteArray y = x.rightJustified(8, '.'); // y == "...apple" -//! [35] - - -//! [36] -QByteArray str("FF"); -bool ok; -int hex = str.toInt(&ok, 16); // hex == 255, ok == true -int dec = str.toInt(&ok, 10); // dec == 0, ok == false -//! [36] - - -//! [37] -QByteArray str("FF"); -bool ok; -long hex = str.toLong(&ok, 16); // hex == 255, ok == true -long dec = str.toLong(&ok, 10); // dec == 0, ok == false -//! [37] - - -//! [38] -QByteArray string("1234.56"); -double a = string.toDouble(); // a == 1234.56 -//! [38] - - -//! [39] -QByteArray text("Qt is great!"); -text.toBase64(); // returns "UXQgaXMgZ3JlYXQh" -//! [39] - - -//! [40] -QByteArray ba; -int n = 63; -ba.setNum(n); // ba == "63" -ba.setNum(n, 16); // ba == "3f" -//! [40] - - -//! [41] -int n = 63; -QByteArray::number(n); // returns "63" -QByteArray::number(n, 16); // returns "3f" -QByteArray::number(n, 16).toUpper(); // returns "3F" -//! [41] - - -//! [42] -QByteArray ba = QByteArray::number(12.3456, 'E', 3); -// ba == 1.235E+01 -//! [42] - - -//! [43] - static const char mydata[] = { - 0x00, 0x00, 0x03, 0x84, 0x78, 0x9c, 0x3b, 0x76, - 0xec, 0x18, 0xc3, 0x31, 0x0a, 0xf1, 0xcc, 0x99, - ... - 0x6d, 0x5b -}; - -QByteArray data = QByteArray::fromRawData(mydata, sizeof(mydata)); -QDataStream in(&data, QIODevice::ReadOnly); -... -//! [43] - - -//! [44] -QByteArray text = QByteArray::fromBase64("UXQgaXMgZ3JlYXQh"); -text.data(); // returns "Qt is great!" -//! [44] - - -//! [45] -QByteArray text = QByteArray::fromHex("517420697320677265617421"); -text.data(); // returns "Qt is great!" -//! [45] - -//! [46] -QString tmp = "test"; -QByteArray text = tmp.toLocal8Bit(); -char *data = new char[text.size()] -strcpy(data, text.data()); -delete [] data; -//! [46] - -//! [47] -QString tmp = "test"; -QByteArray text = tmp.toLocal8Bit(); -char *data = new char[text.size() + 1] -strcpy(data, text.data()); -delete [] data; -//! [47] - -} - - |