mirror of https://github.com/acidanthera/audk.git
133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
/** @file
|
|
Main file for attrib shell level 2 function.
|
|
|
|
Copyright (c) 2009 - 2014, 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.
|
|
|
|
**/
|
|
|
|
#include "UefiShellLevel3CommandsLib.h"
|
|
|
|
/**
|
|
Function for 'cls' command.
|
|
|
|
@param[in] ImageHandle Handle to the Image (NULL if Internal).
|
|
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
|
|
**/
|
|
SHELL_STATUS
|
|
EFIAPI
|
|
ShellCommandRunCls (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
LIST_ENTRY *Package;
|
|
UINTN Background;
|
|
UINTN ForeColor;
|
|
CHAR16 *ProblemParam;
|
|
SHELL_STATUS ShellStatus;
|
|
CONST CHAR16 *Param1;
|
|
|
|
//
|
|
// Initialize variables
|
|
//
|
|
ShellStatus = SHELL_SUCCESS;
|
|
ProblemParam = NULL;
|
|
Background = 0;
|
|
|
|
//
|
|
// initialize the shell lib (we must be in non-auto-init...)
|
|
//
|
|
Status = ShellInitialize();
|
|
ASSERT_EFI_ERROR(Status);
|
|
|
|
//
|
|
// parse the command line
|
|
//
|
|
Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
|
|
if (EFI_ERROR(Status)) {
|
|
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, ProblemParam);
|
|
FreePool(ProblemParam);
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
} else {
|
|
ASSERT(FALSE);
|
|
}
|
|
} else {
|
|
//
|
|
// check for "-?"
|
|
//
|
|
if (ShellCommandLineGetFlag(Package, L"-?")) {
|
|
ASSERT(FALSE);
|
|
} else {
|
|
//
|
|
// If there are 0 value parameters, clear sceen
|
|
//
|
|
Param1 = ShellCommandLineGetRawValue(Package, 1);
|
|
if (Param1 == NULL) {
|
|
//
|
|
// clear screen
|
|
//
|
|
gST->ConOut->ClearScreen (gST->ConOut);
|
|
} else if (ShellCommandLineGetCount(Package) > 2) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle);
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
} else {
|
|
if (ShellStrToUintn(Param1) > 7 || StrLen(Param1) > 1 || !ShellIsDecimalDigitCharacter(*Param1)) {
|
|
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, Param1);
|
|
ShellStatus = SHELL_INVALID_PARAMETER;
|
|
} else {
|
|
switch (ShellStrToUintn(Param1)) {
|
|
case 0:
|
|
Background = EFI_BACKGROUND_BLACK;
|
|
break;
|
|
case 1:
|
|
Background = EFI_BACKGROUND_BLUE;
|
|
break;
|
|
case 2:
|
|
Background = EFI_BACKGROUND_GREEN;
|
|
break;
|
|
case 3:
|
|
Background = EFI_BACKGROUND_CYAN;
|
|
break;
|
|
case 4:
|
|
Background = EFI_BACKGROUND_RED;
|
|
break;
|
|
case 5:
|
|
Background = EFI_BACKGROUND_MAGENTA;
|
|
break;
|
|
case 6:
|
|
Background = EFI_BACKGROUND_BROWN;
|
|
break;
|
|
case 7:
|
|
Background = EFI_BACKGROUND_LIGHTGRAY;
|
|
break;
|
|
}
|
|
ForeColor = (~ShellStrToUintn(Param1)) & 0xF;
|
|
Status = gST->ConOut->SetAttribute (gST->ConOut, (ForeColor | Background) & 0x7F );
|
|
ASSERT_EFI_ERROR(Status);
|
|
Status = gST->ConOut->ClearScreen (gST->ConOut);
|
|
ASSERT_EFI_ERROR(Status);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//
|
|
// free the command line package
|
|
//
|
|
ShellCommandLineFreeVarList (Package);
|
|
|
|
//
|
|
// return the status
|
|
//
|
|
return (ShellStatus);
|
|
}
|
|
|