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** This file is part of the examples of Qt for Python.
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#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;
}