qwsprotocolitem_qws.h

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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