/** @file | |
Main file for attrib shell level 2 function. | |
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR> | |
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> | |
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved. <BR> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#include "UefiShellLevel3CommandsLib.h" | |
STATIC CONST SHELL_PARAM_ITEM ParamList[] = { | |
{ L"-sfo", TypeFlag }, | |
{ NULL, TypeMax } | |
}; | |
/** | |
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 Foreground; | |
CHAR16 *ProblemParam; | |
SHELL_STATUS ShellStatus; | |
CONST CHAR16 *BackColorStr; | |
CONST CHAR16 *ForeColorStr; | |
// | |
// Initialize variables | |
// | |
ShellStatus = SHELL_SUCCESS; | |
ProblemParam = NULL; | |
Background = 0; | |
Foreground = 0; | |
// | |
// initialize the shell lib (we must be in non-auto-init...) | |
// | |
Status = ShellInitialize (); | |
ASSERT_EFI_ERROR (Status); | |
// | |
// parse the command line | |
// | |
Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE); | |
if (EFI_ERROR (Status)) { | |
if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"cls", ProblemParam); | |
FreePool (ProblemParam); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} else { | |
ASSERT (FALSE); | |
} | |
} else { | |
// | |
// check for "-?" | |
// | |
if (ShellCommandLineGetFlag (Package, L"-?")) { | |
ASSERT (FALSE); | |
} else if (ShellCommandLineGetFlag (Package, L"-sfo")) { | |
if (ShellCommandLineGetCount (Package) > 1) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"cls"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} else { | |
Background = (gST->ConOut->Mode->Attribute >> 4) & 0x7; | |
Foreground = gST->ConOut->Mode->Attribute & 0x0F; | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_SFO_HEADER), gShellLevel3HiiHandle, L"cls"); | |
ShellPrintHiiEx ( | |
-1, | |
-1, | |
NULL, | |
STRING_TOKEN (STR_CLS_OUTPUT_SFO), | |
gShellLevel3HiiHandle, | |
gST->ConOut->Mode->Attribute, | |
Foreground, | |
Background | |
); | |
} | |
} else { | |
// | |
// If there are 0 value parameters, clear sceen | |
// | |
BackColorStr = ShellCommandLineGetRawValue (Package, 1); | |
ForeColorStr = ShellCommandLineGetRawValue (Package, 2); | |
if ((BackColorStr == NULL) && (ForeColorStr == NULL)) { | |
// | |
// clear screen | |
// | |
gST->ConOut->ClearScreen (gST->ConOut); | |
} else if (ShellCommandLineGetCount (Package) > 3) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"cls"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} else { | |
if (BackColorStr != NULL) { | |
if ((ShellStrToUintn (BackColorStr) > 7) || (StrLen (BackColorStr) > 1) || (!ShellIsDecimalDigitCharacter (*BackColorStr))) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel3HiiHandle, L"cls", BackColorStr); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} else { | |
switch (ShellStrToUintn (BackColorStr)) { | |
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; | |
} | |
if (ForeColorStr != NULL) { | |
if ((ShellStrToUintn (ForeColorStr) > 15) || (StrLen (ForeColorStr) > 2) || (!ShellIsDecimalDigitCharacter (*ForeColorStr))) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel3HiiHandle, L"cls", ForeColorStr); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
} else { | |
switch (ShellStrToUintn (ForeColorStr)) { | |
case 0: | |
Foreground = EFI_BLACK; | |
break; | |
case 1: | |
Foreground = EFI_BLUE; | |
break; | |
case 2: | |
Foreground = EFI_GREEN; | |
break; | |
case 3: | |
Foreground = EFI_CYAN; | |
break; | |
case 4: | |
Foreground = EFI_RED; | |
break; | |
case 5: | |
Foreground = EFI_MAGENTA; | |
break; | |
case 6: | |
Foreground = EFI_BROWN; | |
break; | |
case 7: | |
Foreground = EFI_LIGHTGRAY; | |
break; | |
case 8: | |
Foreground = EFI_DARKGRAY; | |
break; | |
case 9: | |
Foreground = EFI_LIGHTBLUE; | |
break; | |
case 10: | |
Foreground = EFI_LIGHTGREEN; | |
break; | |
case 11: | |
Foreground = EFI_LIGHTCYAN; | |
break; | |
case 12: | |
Foreground = EFI_LIGHTRED; | |
break; | |
case 13: | |
Foreground = EFI_LIGHTMAGENTA; | |
break; | |
case 14: | |
Foreground = EFI_YELLOW; | |
break; | |
case 15: | |
Foreground = EFI_WHITE; | |
break; | |
} | |
} | |
} else { | |
// | |
// Since foreground color is not modified, so retain | |
// existing foreground color without any change to it. | |
// | |
Foreground = gST->ConOut->Mode->Attribute & 0x0F; | |
} | |
if (ShellStatus == SHELL_SUCCESS) { | |
Status = gST->ConOut->SetAttribute (gST->ConOut, (Foreground | 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); | |
} |