/*
Frhed - Free hex editor
Copyright (C) 2000 Raihan Kibria

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/>.

Last change: 2013-02-24 by Jochen Neubeck
*/
/** 
 * @file  EncoderLib.h
 *
 * @brief Definition of encode/decode plugin interface.
 *
 */
#ifndef _ENCODER_LIB_H_
#define _ENCODER_LIB_H_

struct s_MEMORY_ENCODING;

typedef void (WINAPI* LPFNEncodeMemoryFunction)( s_MEMORY_ENCODING* p );

/**
 * @brief Encoder description.
 */
typedef struct s_MEMORY_CODING_DESCRIPTION
{
	LPCSTR lpszDescription; /**< Name of the encoder. */
	LPFNEncodeMemoryFunction fpEncodeFunc; /**< Pointer to the encoder function. */
	LPCSTR lpvFuncParam;
} MEMORY_CODING_DESCRIPTION;

/**
 * @brief A struct defining encoded/decoded and operation.
 */
typedef struct s_MEMORY_ENCODING
{
	LPBYTE lpbMemory; /**< Pointer to data buffer. */
	DWORD dwSize; /**< Size of the data. */
	LPCTSTR lpszArguments; /**< Arguments for the function. */
	BOOL bEncode; /**< If TRUE encode, if false decode. */
	const MEMORY_CODING_DESCRIPTION *fpMcd; /**< Encoder description. */
} MEMORY_CODING;

EXTERN_C const MEMORY_CODING_DESCRIPTION *WINAPI GetMemoryCodings();
typedef const MEMORY_CODING_DESCRIPTION *(WINAPI *LPFNGetMemoryCodings)();

void WINAPI XorEncoder(MEMORY_CODING *);
void WINAPI Rot13Encoder(MEMORY_CODING *);

#endif // _ENCODER_LIB_H_
