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authorCasper van Donderen <casper.vandonderen@nokia.com>2012-03-20 19:37:07 +0100
committerQt by Nokia <qt-info@nokia.com>2012-04-19 07:34:53 +0200
commit0bc02fd0d61d1e4aed9b39890d28975dff30e822 (patch)
treee967ab719c7f8df24c35b088bd48e0f5b0942148 /src/corelib/doc/snippets/code/src_corelib_io_qdatastream.cpp
parent7f0c130be963de90d1baeb037820b17a4f298700 (diff)
Doc: Prepare for building modular QtCore docs.
This change fixes most qdoc errors in QtCore. There are about 900 left. The main thing this change does is moving documentation from qtcore from /doc/src to /src/corelib/doc. Other issues resolved are mis-use of qdoc commands. Change-Id: I002d01edfb13575e8bf27ce91596a577a92562d1 Reviewed-by: Lars Knoll <lars.knoll@nokia.com> Reviewed-by: Jason McDonald <jason.mcdonald@nokia.com> Reviewed-by: Jerome Pasion <jerome.pasion@nokia.com>
Diffstat (limited to 'src/corelib/doc/snippets/code/src_corelib_io_qdatastream.cpp')
-rw-r--r--src/corelib/doc/snippets/code/src_corelib_io_qdatastream.cpp121
1 files changed, 121 insertions, 0 deletions
diff --git a/src/corelib/doc/snippets/code/src_corelib_io_qdatastream.cpp b/src/corelib/doc/snippets/code/src_corelib_io_qdatastream.cpp
new file mode 100644
index 0000000000..af2d7d24bf
--- /dev/null
+++ b/src/corelib/doc/snippets/code/src_corelib_io_qdatastream.cpp
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** 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]
+QFile file("file.dat");
+file.open(QIODevice::WriteOnly);
+QDataStream out(&file); // we will serialize the data into the file
+out << QString("the answer is"); // serialize a string
+out << (qint32)42; // serialize an integer
+//! [0]
+
+
+//! [1]
+QFile file("file.dat");
+file.open(QIODevice::ReadOnly);
+QDataStream in(&file); // read the data serialized from the file
+QString str;
+qint32 a;
+in >> str >> a; // extract "the answer is" and 42
+//! [1]
+
+
+//! [2]
+stream.setVersion(QDataStream::Qt_4_0);
+//! [2]
+
+
+//! [3]
+QFile file("file.xxx");
+file.open(QIODevice::WriteOnly);
+QDataStream out(&file);
+
+// Write a header with a "magic number" and a version
+out << (quint32)0xA0B0C0D0;
+out << (qint32)123;
+
+out.setVersion(QDataStream::Qt_4_0);
+
+// Write the data
+out << lots_of_interesting_data;
+//! [3]
+
+
+//! [4]
+QFile file("file.xxx");
+file.open(QIODevice::ReadOnly);
+QDataStream in(&file);
+
+// Read and check the header
+quint32 magic;
+in >> magic;
+if (magic != 0xA0B0C0D0)
+ return XXX_BAD_FILE_FORMAT;
+
+// Read the version
+qint32 version;
+in >> version;
+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]
+QDataStream out(file);
+out.setVersion(QDataStream::Qt_4_0);
+//! [5]
+
+}