CnC_Red_Alert/CODE/B64STRAW.H

92 lines
3.6 KiB
C++

/*
** Command & Conquer Red Alert(tm)
** Copyright 2025 Electronic Arts Inc.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* $Header: /CounterStrike/B64STRAW.H 1 3/03/97 10:24a Joe_bostic $ */
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : Command & Conquer *
* *
* File Name : B64STRAW.H *
* *
* Programmer : Joe L. Bostic *
* *
* Start Date : 07/02/96 *
* *
* Last Update : July 2, 1996 [JLB] *
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#ifndef B64STRAW_H
#define B64STRAW_H
#include "straw.h"
/*
** Performs Base 64 encoding/decoding on the data that is drawn through the straw. Note that
** encoding increases the data size by about 30%. The reverse occurs when decoding.
*/
class Base64Straw : public Straw
{
public:
typedef enum CodeControl {
ENCODE,
DECODE
} CodeControl;
Base64Straw(CodeControl control) : Control(control), Counter(0) {}
virtual int Get(void * source, int slen);
private:
/*
** Indicates if this is for encoding or decoding of Base64 data.
*/
CodeControl Control;
/*
** The counter of the number of accumulated bytes pending for processing.
*/
int Counter;
/*
** Buffer that holds the Base64 coded bytes. This will be the staging buffer if
** this is for a decoding process. Otherwise, it will be used as a scratch buffer.
*/
char CBuffer[4];
/*
** Buffer that holds the plain bytes. This will be the staging buffer if this
** is for an encoding process. Otherwise, it will be used as a scratch buffer.
*/
char PBuffer[3];
/*
** Explicitly disable the copy constructor and the assignment operator.
*/
Base64Straw(Base64Straw & rvalue);
Base64Straw & operator = (Base64Straw const & pipe);
};
#endif