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/** @file
  Defines MemImage - the view of the file that is visible at any point, 
  as well as the event handlers for editing the file
  
  Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved. <BR>
  This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#ifndef _LIB_MEM_IMAGE_H_
#define _LIB_MEM_IMAGE_H_

#include "HexEditor.h"

/**
  Initialization function for HDiskImage.

  @retval EFI_SUCCESS       The operation was successful.
  @retval EFI_LOAD_ERROR    A load error occured.
**/
EFI_STATUS
HMemImageInit (
  VOID
  );

/**
  Backup function for HDiskImage. Only a few fields need to be backup. 
  This is for making the Disk buffer refresh as few as possible.

  @retval EFI_SUCCESS       The operation was successful.
**/
EFI_STATUS
HMemImageBackup (
  VOID
  );

/**
  Set FileName field in HFileImage.

  @param[in] Offset   The offset.
  @param[in] Size     The size.

  @retval EFI_SUCCESS           The operation was successful.
  @retval EFI_OUT_OF_RESOURCES  A memory allocation failed.
**/
EFI_STATUS
HMemImageSetMemOffsetSize (
  IN UINTN Offset,
  IN UINTN Size
  );

/**
  Read a disk from disk into HBufferImage.

  @param[in] Offset   The offset.
  @param[in] Size     The size.
  @param[in] Recover  if is for recover, no information print.

  @retval EFI_LOAD_ERROR        A load error occured.
  @retval EFI_SUCCESS           The operation was successful.
  @retval EFI_OUT_OF_RESOURCES  A memory allocation failed.
**/
EFI_STATUS
HMemImageRead (
  IN UINTN     Offset,
  IN UINTN     Size,
  IN BOOLEAN   Recover
  );

/**
  Save lines in HBufferImage to disk.

  @param[in] Offset   The offset.
  @param[in] Size     The size.

  @retval EFI_LOAD_ERROR        A load error occured.
  @retval EFI_SUCCESS           The operation was successful.
  @retval EFI_OUT_OF_RESOURCES  A memory allocation failed.
**/
EFI_STATUS
HMemImageSave (
  IN UINTN Offset,
  IN UINTN Size
  );

#endif