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# qwsprotocolitem_qws.h

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    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtGui module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QWSPROTOCOLITEM_QWS_H
    00043 #define QWSPROTOCOLITEM_QWS_H
    00044
    00045 /*********************************************************************
    00046  *
    00047  * QWSCommand base class - only use derived classes from that
    00048  *
    00049  *********************************************************************/
    00050
    00051 #include <QtCore/qglobal.h>
    00052
    00053 QT_BEGIN_HEADER
    00054
    00055 QT_BEGIN_NAMESPACE
    00056
    00057 QT_MODULE(Gui)
    00058
    00059 class QIODevice;
    00060
    00061 struct QWSProtocolItem
    00062 {
    00063     // ctor - dtor
    00064     QWSProtocolItem(int t, int len, char *ptr) : type(t),
    00065         simpleLen(len), rawLen(-1), deleteRaw(false), simpleDataPtr(ptr),
    00066         rawDataPtr(0), bytesRead(0) { }
    00067     virtual ~QWSProtocolItem();
    00068
    00069     // data
    00070     int type;
    00071     int simpleLen;
    00072     int rawLen;
    00073     bool deleteRaw;
    00074
    00075     // functions
    00076 #ifndef QT_NO_QWS_MULTIPROCESS
    00077     void write(QIODevice *s);
    00078     bool read(QIODevice *s);
    00079 #endif
    00080     void copyFrom(const QWSProtocolItem *item);
    00081
    00082     virtual void setData(const char *data, int len, bool allocateMem = true);
    00083
    00084     char *simpleDataPtr;
    00085     char *rawDataPtr;
    00086     // temp variables
    00087     int bytesRead;
    00088 };
    00089
    00090 // This should probably be a method on QWSProtocolItem, but this way avoids
    00091 // changing the API of this apparently public header
    00092 // size = (int)type + (int)rawLenSize + simpleLen + rawLen
    00093 #define QWS_PROTOCOL_ITEM_SIZE( item ) \
    00094     (2 * sizeof(int)) + ((item).simpleDataPtr ? (item).simpleLen : 0) + ((item).rawDataPtr ? (item).rawLen : 0)
    00095
    00096 QT_END_NAMESPACE
    00097
    00098 QT_END_HEADER
    00099
    00100 #endif // QWSPROTOCOLITEM_QWS_H