Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Tapan Shah <tapandshah@hp.com> Reviewed-By: Jaben Carsey <jaben.carsey@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15987 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			102 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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  Main file for NULL named library for level 3 shell command functions.
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  Copyright (c) 2014, Hewlett-Packard Development Company, L.P.<BR>
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  Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved. <BR>
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  This program and the accompanying materials
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  are licensed and made available under the terms and conditions of the BSD License
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  which accompanies this distribution.  The full text of the license may be found at
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  http://opensource.org/licenses/bsd-license.php
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  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "UefiShellLevel3CommandsLib.h"
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CONST CHAR16 gShellLevel3FileName[] = L"ShellCommands";
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EFI_HANDLE gShellLevel3HiiHandle = NULL;
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/**
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  return the filename to get help from is not using HII.
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  @retval The filename.
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**/
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CONST CHAR16*
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EFIAPI
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ShellCommandGetManFileNameLevel3 (
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  VOID
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  )
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{
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  return (gShellLevel3FileName);
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}
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/**
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  Constructor for the Shell Level 3 Commands library.
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  Install the handlers for level 3 UEFI Shell 2.0 commands.
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  @param ImageHandle    the image handle of the process
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  @param SystemTable    the EFI System Table pointer
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  @retval EFI_SUCCESS        the shell command handlers were installed sucessfully
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  @retval EFI_UNSUPPORTED    the shell level required was not found.
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**/
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EFI_STATUS
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EFIAPI
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ShellLevel3CommandsLibConstructor (
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  IN EFI_HANDLE        ImageHandle,
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  IN EFI_SYSTEM_TABLE  *SystemTable
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  )
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{
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  gShellLevel3HiiHandle = NULL;
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  //
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  // if shell level is less than 3 do nothing
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  //
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  if (PcdGet8(PcdShellSupportLevel) < 3) {
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    return (EFI_SUCCESS);
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  }
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  gShellLevel3HiiHandle = HiiAddPackages (&gShellLevel3HiiGuid, gImageHandle, UefiShellLevel3CommandsLibStrings, NULL);
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  if (gShellLevel3HiiHandle == NULL) {
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    return (EFI_DEVICE_ERROR);
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  }
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  //
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  // install our shell command handlers that are always installed
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  //
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  // Note: that Time, Timezone, and Date are part of level 2 library
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  //
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  ShellCommandRegisterCommandName(L"type",    ShellCommandRunType   , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_TYPE));
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  ShellCommandRegisterCommandName(L"touch",   ShellCommandRunTouch  , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_TOUCH));
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  ShellCommandRegisterCommandName(L"ver",     ShellCommandRunVer    , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_VER));
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  ShellCommandRegisterCommandName(L"alias",   ShellCommandRunAlias  , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_ALIAS));
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  ShellCommandRegisterCommandName(L"cls",     ShellCommandRunCls    , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_CLS));
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  ShellCommandRegisterCommandName(L"echo",    ShellCommandRunEcho   , ShellCommandGetManFileNameLevel3, 3, L"", FALSE, gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_ECHO));
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  ShellCommandRegisterCommandName(L"pause",   ShellCommandRunPause  , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_PAUSE));
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  ShellCommandRegisterCommandName(L"getmtc",  ShellCommandRunGetMtc , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_GETMTC));
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  ShellCommandRegisterCommandName(L"help",    ShellCommandRunHelp   , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_HELP));
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  ShellCommandRegisterAlias(L"type", L"cat");
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  return (EFI_SUCCESS);
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}
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/**
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  Destructor for the library.  free any resources.
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  @param ImageHandle            The image handle of the process.
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  @param SystemTable            The EFI System Table pointer.
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**/
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EFI_STATUS
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EFIAPI
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ShellLevel3CommandsLibDestructor (
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  IN EFI_HANDLE        ImageHandle,
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  IN EFI_SYSTEM_TABLE  *SystemTable
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  )
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{
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  if (gShellLevel3HiiHandle != NULL) {
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    HiiRemovePackages(gShellLevel3HiiHandle);
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  }
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  return (EFI_SUCCESS);
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}
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