CnC_Remastered_Collection

Command and Conquer: Red Alert
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B64PIPE.H (3850B)

      1 //
      2 // Copyright 2020 Electronic Arts Inc.
      3 //
      4 // TiberianDawn.DLL and RedAlert.dll and corresponding source code is free 
      5 // software: you can redistribute it and/or modify it under the terms of 
      6 // the GNU General Public License as published by the Free Software Foundation, 
      7 // either version 3 of the License, or (at your option) any later version.
      8 
      9 // TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed 
     10 // in the hope that it will be useful, but with permitted additional restrictions 
     11 // under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT 
     12 // distributed with this program. You should have received a copy of the 
     13 // GNU General Public License along with permitted additional restrictions 
     14 // with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
     15 
     16 /* $Header: /CounterStrike/B64PIPE.H 1     3/03/97 10:24a Joe_bostic $ */
     17 /***********************************************************************************************
     18  ***              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               ***
     19  ***********************************************************************************************
     20  *                                                                                             *
     21  *                 Project Name : Command & Conquer                                            *
     22  *                                                                                             *
     23  *                    File Name : B64PIPE.H                                                    *
     24  *                                                                                             *
     25  *                   Programmer : Joe L. Bostic                                                *
     26  *                                                                                             *
     27  *                   Start Date : 06/30/96                                                     *
     28  *                                                                                             *
     29  *                  Last Update : June 30, 1996 [JLB]                                          *
     30  *                                                                                             *
     31  *---------------------------------------------------------------------------------------------*
     32  * Functions:                                                                                  *
     33  * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
     34 
     35 
     36 #ifndef B64PIPE_H
     37 #define B64PIPE_H
     38 
     39 #include	"pipe.h"
     40 
     41 /*
     42 **	This class performs Base64 encoding/decoding to the data that is piped through. Note that
     43 **	encoded data will grow in size by about 30%. The reverse occurs when decoding.
     44 */
     45 class Base64Pipe : public Pipe
     46 {
     47 	public:
     48 		typedef enum CodeControl {
     49 			ENCODE,
     50 			DECODE
     51 		} CodeControl;
     52 
     53 		Base64Pipe(CodeControl control) : Control(control), Counter(0) {}
     54 
     55 		virtual int Flush(void);
     56 		virtual int Put(void const * source, int slen);
     57 
     58 	private:
     59 
     60 		/*
     61 		**	Indicates if this is for encoding or decoding of Base64 data.
     62 		*/
     63 		CodeControl Control;
     64 
     65 		/*
     66 		**	The counter of the number of accumulated bytes pending for processing.
     67 		*/
     68 		int Counter;
     69 
     70 		/*
     71 		**	Buffer that holds the Base64 coded bytes. This will be the staging buffer if
     72 		**	this is for a decoding process. Otherwise, it will be used as a scratch buffer.
     73 		*/
     74 		char CBuffer[4];
     75 
     76 		/*
     77 		**	Buffer that holds the plain bytes. This will be the staging buffer if this
     78 		**	is for an encoding process. Otherwise, it will be used as a scratch buffer.
     79 		*/
     80 		char PBuffer[3];
     81 
     82 		/*
     83 		**	Explicitly disable the copy constructor and the assignment operator.
     84 		*/
     85 		Base64Pipe(Base64Pipe & rvalue);
     86 		Base64Pipe & operator = (Base64Pipe const & pipe);
     87 };
     88 
     89 #endif