We now have a current svn snapshot of libqxt in our contrib dir, and

[quassel.git] / src / contrib / libqxt-2007-10-24 / src / core / qxtfifo.cpp

diff --git a/src/contrib/libqxt-2007-10-24/src/core/qxtfifo.cpp b/src/contrib/libqxt-2007-10-24/src/core/qxtfifo.cpp
new file mode 100644 (file)
index 0000000..b933faa
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+++ b/src/contrib/libqxt-2007-10-24/src/core/qxtfifo.cpp
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) Qxt Foundation. Some rights reserved.
+**
+** This file is part of the QxtCore module of the Qt eXTension library
+**
+** This library is free software; you can redistribute it and/or modify it
+** under the terms of th Common Public License, version 1.0, as published by
+** IBM.
+**
+** This file is provided "AS IS", without WARRANTIES OR CONDITIONS OF ANY
+** KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
+** WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR
+** FITNESS FOR A PARTICULAR PURPOSE.
+**
+** You should have received a copy of the CPL along with this file.
+** See the LICENSE file and the cpl1.0.txt file included with the source
+** distribution for more information. If you did not receive a copy of the
+** license, contact the Qxt Foundation.
+**
+** <http://libqxt.sourceforge.net>  <foundation@libqxt.org>
+**
+****************************************************************************/
+
+
+/**
+\class QxtFifo QxtFifo
+
+\ingroup QxtCore
+
+\brief Simple Loopback QIODevice
+
+read and write to the same object \n
+emits a readyRead Signal. \n
+usefull for loopback tests where QBuffer does not work.
+
+\code
+QxtFifo fifo;
+ QTextStream (&fifo)<<QString("foo");
+ QString a;
+ QTextStream(&fifo)>>a;
+ qDebug()<<a;
+\endcode
+
+*/
+#include "qxtfifo.h"
+#include <QDebug>
+
+QxtFifo::QxtFifo(QObject *parent):QIODevice(parent)
+{
+    setOpenMode (QIODevice::ReadWrite);
+}
+
+qint64 QxtFifo::readData ( char * data, qint64 maxSize )
+{
+    qint64 i=0;
+    for (;i<maxSize;i++)
+    {
+        if (q.isEmpty())
+            break;
+        (*data++)=q.dequeue();
+    }
+    return i;
+}
+qint64 QxtFifo::writeData ( const char * data, qint64 maxSize )
+{
+    qint64 i=0;
+    for (;i<maxSize;i++)
+        q.enqueue(*data++);
+
+    if (i>0)
+        emit(readyRead ());
+    return maxSize;
+}
+
+
+bool QxtFifo::isSequential () const
+{
+    return true;
+}
+
+
+qint64 QxtFifo::bytesAvailable () const
+{
+    return q.count();
+}
+
+
+
+
+
+
+