CnC_Remastered_Collection

Command and Conquer: Red Alert
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B64STRAW.H (3830B)

      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/B64STRAW.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 : B64STRAW.H                                                   *
     24  *                                                                                             *
     25  *                   Programmer : Joe L. Bostic                                                *
     26  *                                                                                             *
     27  *                   Start Date : 07/02/96                                                     *
     28  *                                                                                             *
     29  *                  Last Update : July 2, 1996 [JLB]                                           *
     30  *                                                                                             *
     31  *---------------------------------------------------------------------------------------------*
     32  * Functions:                                                                                  *
     33  * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
     34 
     35 
     36 #ifndef B64STRAW_H
     37 #define B64STRAW_H
     38 
     39 #include	"straw.h"
     40 
     41 /*
     42 **	Performs Base 64 encoding/decoding on the data that is drawn through the straw. Note that
     43 **	encoding increases the data size by about 30%. The reverse occurs when decoding.
     44 */
     45 class Base64Straw : public Straw
     46 {
     47 	public:
     48 		typedef enum CodeControl {
     49 			ENCODE,
     50 			DECODE
     51 		} CodeControl;
     52 
     53 		Base64Straw(CodeControl control) : Control(control), Counter(0) {}
     54 		virtual int Get(void * source, int slen);
     55 
     56 	private:
     57 
     58 		/*
     59 		**	Indicates if this is for encoding or decoding of Base64 data.
     60 		*/
     61 		CodeControl Control;
     62 
     63 		/*
     64 		**	The counter of the number of accumulated bytes pending for processing.
     65 		*/
     66 		int Counter;
     67 
     68 		/*
     69 		**	Buffer that holds the Base64 coded bytes. This will be the staging buffer if
     70 		**	this is for a decoding process. Otherwise, it will be used as a scratch buffer.
     71 		*/
     72 		char CBuffer[4];
     73 
     74 		/*
     75 		**	Buffer that holds the plain bytes. This will be the staging buffer if this
     76 		**	is for an encoding process. Otherwise, it will be used as a scratch buffer.
     77 		*/
     78 		char PBuffer[3];
     79 
     80 		/*
     81 		**	Explicitly disable the copy constructor and the assignment operator.
     82 		*/
     83 		Base64Straw(Base64Straw & rvalue);
     84 		Base64Straw & operator = (Base64Straw const & pipe);
     85 };
     86 
     87 
     88 #endif