diff options
Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdatastream.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdatastream.cpp | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdatastream.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdatastream.cpp deleted file mode 100644 index 79e64d4a3..000000000 --- a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_corelib_io_qdatastream.cpp +++ /dev/null @@ -1,135 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation of Qt for Python. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -void wrapInFunction() -{ - -//! [0] -file_ = QFile("file.dat") -file_.open(QIODevice.WriteOnly) -# we will serialize the data into the file -out = QDataStream(file_) -# serialize a string -out.writeQString("the answer is") -# serialize an integer -out.writeInt32(42) -//! [0] - - -//! [1] -file_ = QFile("file.dat") -file_.open(QIODevice.ReadOnly) -# read the data serialized from the file -i = QDataStream(file_) -string = '' -a = 0 -# extract "the answer is" and 42 -string = i.readQString() -a = i.readInt32() -//! [1] - - -//! [2] -stream.setVersion(QDataStream.Qt_4_0) -//! [2] - - -//! [3] -file_ = QFile("file.xxx") -file_.open(QIODevice.WriteOnly) -out = QDataStream(file_) - -# Write a header with a "magic number" and a version -out.writeInt32(0xA0B0C0D0) -out.writeInt32(123) - -out.setVersion(QDataStream.Qt_4_0) - -// Write the data -out << lots_of_interesting_data -//! [3] - - -//! [4] -file_ = QFile("file.xxx") -file_.open(QIODevice.ReadOnly) -i = QDataStream(file_) - -// Read and check the header -magic = i.readInt32() -if magic != 0xA0B0C0D0: - return XXX_BAD_FILE_FORMAT - -// Read the version -version = i.readInt32() -if version < 100: - return XXX_BAD_FILE_TOO_OLD -if version > 123: - return XXX_BAD_FILE_TOO_NEW - -if version <= 110: - in_.setVersion(QDataStream.Qt_3_2) -else: - in_.setVersion(QDataStream.Qt_4_0) - -// Read the data -in_ >> lots_of_interesting_data -if version >= 120: - in_ >> data_new_in_XXX_version_1_2 -in_ >> other_interesting_data -//! [4] - - -//! [5] -out = QDataStream(file_) -out.setVersion(QDataStream.Qt_4_0) -//! [5] - -} |