diff options
Diffstat (limited to 'doc/src/snippets/code/src_corelib_io_qiodevice.cpp')
-rw-r--r-- | doc/src/snippets/code/src_corelib_io_qiodevice.cpp | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/doc/src/snippets/code/src_corelib_io_qiodevice.cpp b/doc/src/snippets/code/src_corelib_io_qiodevice.cpp deleted file mode 100644 index 6018a21f89..0000000000 --- a/doc/src/snippets/code/src_corelib_io_qiodevice.cpp +++ /dev/null @@ -1,99 +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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -//! [0] -QProcess gzip; -gzip.start("gzip", QStringList() << "-c"); -if (!gzip.waitForStarted()) - return false; - -gzip.write("uncompressed data"); - -QByteArray compressed; -while (gzip.waitForReadyRead()) - compressed += gzip.readAll(); -//! [0] - - -//! [1] -qint64 CustomDevice::bytesAvailable() const -{ - return buffer.size() + QIODevice::bytesAvailable(); -} -//! [1] - - -//! [2] -QFile file("box.txt"); -if (file.open(QFile::ReadOnly)) { - char buf[1024]; - qint64 lineLength = file.readLine(buf, sizeof(buf)); - if (lineLength != -1) { - // the line is available in buf - } -} -//! [2] - - -//! [3] -bool CustomDevice::canReadLine() const -{ - return buffer.contains('\n') || QIODevice::canReadLine(); -} -//! [3] - - -//! [4] -bool isExeFile(QFile *file) -{ - char buf[2]; - if (file->peek(buf, sizeof(buf)) == sizeof(buf)) - return (buf[0] == 'M' && buf[1] == 'Z'); - return false; -} -//! [4] - - -//! [5] -bool isExeFile(QFile *file) -{ - return file->peek(2) == "MZ"; -} -//! [5] |