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Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/buffer/buffer.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/buffer/buffer.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/buffer/buffer.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/buffer/buffer.cpp new file mode 100644 index 000000000..dfa4af26d --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/buffer/buffer.cpp @@ -0,0 +1,133 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of PySide2. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, 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 The Qt Company Ltd 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QApplication> +#include <QBuffer> +#include <QPalette> + +static void main_snippet() +{ +//! [0] + buffer = QBuffer() + + buffer.open(QBuffer.ReadWrite) + buffer.write("Qt rocks!") + buffer.seek(0) + ch = buffer.getChar() # ch == 'Q' + ch = buffer.getChar() # ch == 't' + ch = buffer.getChar() # ch == ' ' + ch = buffer.getChar() # ch == 'r' +//! [0] +} + +static void write_datastream_snippets() +{ +//! [1] + byteArray = QByteArray() + buffer = QBuffer(byteArray) + buffer.open(QIODevice.WriteOnly) + + out = QDataStream(buffer) + out << QApplication.palette() +//! [1] +} + +static void read_datastream_snippets() +{ + QByteArray byteArray; + +//! [2] + palette = QPalette() + buffer = QBuffer(byteArray) + buffer.open(QIODevice.ReadOnly) + + in = QDataStream(buffer) + in >> palette +//! [2] +} + +static void bytearray_ptr_ctor_snippet() +{ +//! [3] + byteArray = QByteArray("abc") + buffer = QBuffer(byteArray) + buffer.open(QIODevice.WriteOnly) + buffer.seek(3) + buffer.write("def") + buffer.close() + # byteArray == "abcdef" +//! [3] +} + +static void setBuffer_snippet() +{ +//! [4] + byteArray = QByteArray("abc") + buffer = QBuffer() + buffer.setBuffer(byteArray) + buffer.open(QIODevice.WriteOnly) + buffer.seek(3) + buffer.write("def") + buffer.close() + # byteArray == "abcdef" +//! [4] +} + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + main_snippet(); + bytearray_ptr_ctor_snippet(); + write_datastream_snippets(); + read_datastream_snippets(); + setBuffer_snippet(); + return 0; +} |