audk/ShellPkg/Library/UefiShellLevel3CommandsLib/UefiShellLevel3CommandsLib.c

98 lines
3.7 KiB
C

/** @file
Main file for NULL named library for level 3 shell command functions.
(C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiShellLevel3CommandsLib.h"
CONST CHAR16 gShellLevel3FileName[] = L"ShellCommands";
EFI_HII_HANDLE gShellLevel3HiiHandle = NULL;
/**
return the filename to get help from is not using HII.
@retval The filename.
**/
CONST CHAR16 *
EFIAPI
ShellCommandGetManFileNameLevel3 (
VOID
)
{
return (gShellLevel3FileName);
}
/**
Constructor for the Shell Level 3 Commands library.
Install the handlers for level 3 UEFI Shell 2.0 commands.
@param ImageHandle the image handle of the process
@param SystemTable the EFI System Table pointer
@retval EFI_SUCCESS the shell command handlers were installed successfully
@retval EFI_UNSUPPORTED the shell level required was not found.
**/
EFI_STATUS
EFIAPI
ShellLevel3CommandsLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
gShellLevel3HiiHandle = NULL;
//
// if shell level is less than 3 do nothing
//
if (PcdGet8 (PcdShellSupportLevel) < 3) {
return (EFI_SUCCESS);
}
gShellLevel3HiiHandle = HiiAddPackages (&gShellLevel3HiiGuid, gImageHandle, UefiShellLevel3CommandsLibStrings, NULL);
if (gShellLevel3HiiHandle == NULL) {
return (EFI_DEVICE_ERROR);
}
//
// install our shell command handlers that are always installed
//
// Note: that Time, Timezone, and Date are part of level 2 library
//
ShellCommandRegisterCommandName (L"type", ShellCommandRunType, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_TYPE));
ShellCommandRegisterCommandName (L"touch", ShellCommandRunTouch, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_TOUCH));
ShellCommandRegisterCommandName (L"ver", ShellCommandRunVer, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_VER));
ShellCommandRegisterCommandName (L"alias", ShellCommandRunAlias, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_ALIAS));
ShellCommandRegisterCommandName (L"cls", ShellCommandRunCls, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_CLS));
ShellCommandRegisterCommandName (L"echo", ShellCommandRunEcho, ShellCommandGetManFileNameLevel3, 3, L"", FALSE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_ECHO));
ShellCommandRegisterCommandName (L"pause", ShellCommandRunPause, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_PAUSE));
ShellCommandRegisterCommandName (L"getmtc", ShellCommandRunGetMtc, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_GETMTC));
ShellCommandRegisterCommandName (L"help", ShellCommandRunHelp, ShellCommandGetManFileNameLevel3, 3, L"", TRUE, gShellLevel3HiiHandle, STRING_TOKEN (STR_GET_HELP_HELP));
ShellCommandRegisterAlias (L"type", L"cat");
return (EFI_SUCCESS);
}
/**
Destructor for the library. free any resources.
@param ImageHandle The image handle of the process.
@param SystemTable The EFI System Table pointer.
**/
EFI_STATUS
EFIAPI
ShellLevel3CommandsLibDestructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
if (gShellLevel3HiiHandle != NULL) {
HiiRemovePackages (gShellLevel3HiiHandle);
}
return (EFI_SUCCESS);
}