diff options
Diffstat (limited to 'roms/edk2/ShellPkg/Library/UefiShellLevel3CommandsLib/Cls.c')
| -rw-r--r-- | roms/edk2/ShellPkg/Library/UefiShellLevel3CommandsLib/Cls.c | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/roms/edk2/ShellPkg/Library/UefiShellLevel3CommandsLib/Cls.c b/roms/edk2/ShellPkg/Library/UefiShellLevel3CommandsLib/Cls.c new file mode 100644 index 000000000..446266dd8 --- /dev/null +++ b/roms/edk2/ShellPkg/Library/UefiShellLevel3CommandsLib/Cls.c @@ -0,0 +1,224 @@ +/** @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);
+}
+
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