You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.7 KiB
80 lines
2.7 KiB
/*
|
|
Kopete Groupwise Protocol
|
|
inputprotocolbase.h - Ancestor of all protocols used for reading GroupWise input
|
|
|
|
Copyright (c) 2004 SUSE Linux AG http://www.suse.com
|
|
|
|
Kopete (c) 2002-2004 by the Kopete developers <kopete-devel@kde.org>
|
|
|
|
*************************************************************************
|
|
* *
|
|
* This library is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU Lesser General Public *
|
|
* License as published by the Free Software Foundation; either *
|
|
* version 2 of the License, or (at your option) any later version. *
|
|
* *
|
|
*************************************************************************
|
|
*/
|
|
|
|
#ifndef INPUTPROTOCOLBASE_H
|
|
#define INPUTPROTOCOLBASE_H
|
|
|
|
#include <tqobject.h>
|
|
|
|
class Transfer;
|
|
/**
|
|
Defines a basic interface for protocols dealing with input from the GroupWise server.
|
|
|
|
@author Kopete Developers
|
|
*/
|
|
class InputProtocolBase : public TQObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
enum EventProtocolState { Success, NeedMore, OutOfSync, ProtocolError };
|
|
InputProtocolBase(TQObject *parent = 0, const char *name = 0);
|
|
~InputProtocolBase();
|
|
|
|
/**
|
|
* Debug output
|
|
*/
|
|
static void debug(const TQString &str);
|
|
|
|
/**
|
|
* Returns a value describing the state of the object.
|
|
* If the object is given data to parse that does not begin with a recognised event code,
|
|
* it will become OutOfSync, to indicate that the input data probably contains leftover data not processed during a previous parse.
|
|
*/
|
|
uint state() const;
|
|
/**
|
|
* Attempt to parse the supplied data into a Transfer object
|
|
* @param bytes this will be set to the number of bytes that were successfully parsed. It is no indication of the success of the whole procedure
|
|
* @return On success, a Transfer object that the caller is responsible for deleting. It will be either an EventTransfer or a Response, delete as appropriate. On failure, returns 0.
|
|
*/
|
|
virtual Transfer * parse( const TQByteArray &, uint & bytes ) = 0 ;
|
|
protected:
|
|
/**
|
|
* Reads an arbitrary string
|
|
* updates the bytes parsed counter
|
|
*/
|
|
bool readString( TQString &message );
|
|
/**
|
|
* Check that there is data to read, and set the protocol's state if there isn't any.
|
|
*/
|
|
bool okToProceed();
|
|
/**
|
|
* read a TQ_UINT32 giving the number of following bytes, then a string of that length
|
|
* updates the bytes parsed counter
|
|
* @return false if the string was broken or there was no data available at all
|
|
*/
|
|
bool safeReadBytes( TQCString & data, uint & len );
|
|
|
|
protected:
|
|
uint m_state;
|
|
uint m_bytes;
|
|
TQDataStream m_din;
|
|
};
|
|
|
|
#endif
|