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Maurice Ma
03b466e8db
This patch added command line history upport in SBL Shell. It makes it easy to run a previous command using Up/Down arrow key. Signed-off-by: Maurice Ma <maurice.ma@intel.com>
65 lines
1.1 KiB
C
65 lines
1.1 KiB
C
/** @file
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Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _HISTORY_H_
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#define _HISTORY_H_
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#include <PiPei.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/ShellLib.h>
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#define MAX_HISTORY_REC 32
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/**
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Initialize command line history buffer and index.
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@param[in] IsInit Indicate initialization or de-initialization
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**/
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VOID
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HistoryInit (
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IN BOOLEAN IsInit
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);
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/**
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Fill command buffer with next command line history.
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@param[in] Line command line buffer to fill
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@retval Length of the command line returned
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**/
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UINTN
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HistoryDown (
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IN OUT CHAR16 *Line
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);
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/**
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Fill command buffer with previous command line history.
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@param[in] Line Command line buffer to fill
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@retval Length of the command line returned
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**/
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UINTN
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HistoryUp (
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IN OUT CHAR16 *Line
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);
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/**
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Append a command lihe into command line history buffer.
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@param[in] Line Command line buffer to append
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**/
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VOID
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HistoryAdd (
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IN OUT CHAR16 *Line
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);
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#endif |