99 lines
4.2 KiB
C
99 lines
4.2 KiB
C
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/* $Header: /CounterStrike/BUFFERX.H 1 3/03/97 10:24a Joe_bostic $ */
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/***********************************************************************************************
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*** 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 ***
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***********************************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* File Name : BUFFER.H *
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* *
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* Programmer : Joe L. Bostic *
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* *
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* Start Date : 05/04/96 *
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* *
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* Last Update : May 4, 1996 [JLB] *
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef BUFFERx_H
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#define BUFFERx_H
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#include "wwfile.h"
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/*
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** This is a transmuter interface designed to aid implementation of compression, encryption, or
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** data analysis classes. The Transmuter should be derived into a class that performs the necessary
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** processing.
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*/
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class Transmuter {
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public:
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Transmuter(void) : Output(0) {}
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virtual ~Transmuter(void) {}
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/*
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** These are the interface function that are used to pass data to the transmuter. The
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** default implementation of these functions do nothing other than pass the data onto
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** the subsequent transmuter. For practical use, these functions should be overloaded to
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** do something more useful.
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*/
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virtual void Attach(Transmuter * transmuter) {Output = transmuter;}
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virtual void Flush(void) {if (Output) Output->Flush();}
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virtual void Put(const void * input, unsigned length) {if (Output) Output->Put(input, length);}
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protected:
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/*
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** Pointer to the output transmuter.
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*/
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Transmuter * Output;
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};
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class FileTransmuter {
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public:
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FileTransmuter(FileClass * file = NULL) : OutputFile(file) {}
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virtual void Attach(FileClass * file) {OutputFile = file;}
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virtual void Flush(void) {}
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virtual void Put(const void * input, unsigned length) {if (OutputFile) OutputFile->Write(input, length);}
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protected:
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FileClass * OutputFile;
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};
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class BufferTransmuter {
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public:
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BufferTransmuter(void * buffer = NULL) : BufferPtr(buffer) {}
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virtual void Attach(void * buffer) {BufferPtr = buffer;}
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virtual void Flush(void) {}
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virtual void Put(const void * input, unsigned length) {if (BufferPtr) {memcpy(BufferPtr, input, length);((char *&)BufferPtr) += length;}}
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protected:
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void * BufferPtr;
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};
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#endif
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