audk/ShellPkg/Library/UefiShellDebug1CommandsLib/Mode.c

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/** @file
Main file for Mode shell Debug1 function.
Copyright (c) 2010 - 2013, 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 acModeanies 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 "UefiShellDebug1CommandsLib.h"
/**
Function for 'mode' 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
ShellCommandRunMode (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
UINTN NewCol;
UINTN NewRow;
UINTN Col;
UINTN Row;
CONST CHAR16 *Temp;
BOOLEAN Done;
INT32 LoopVar;
ShellStatus = SHELL_SUCCESS;
Status = EFI_SUCCESS;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize();
ASSERT_EFI_ERROR(Status);
Status = CommandInit();
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), gShellDebug1HiiHandle, ProblemParam);
FreePool(ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT(FALSE);
}
} else {
if (ShellCommandLineGetCount(Package) > 3) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle);
ShellStatus = SHELL_INVALID_PARAMETER;
} else if (ShellCommandLineGetCount(Package) == 2) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle);
ShellStatus = SHELL_INVALID_PARAMETER;
} else if (ShellCommandLineGetCount(Package) == 3) {
Temp = ShellCommandLineGetRawValue(Package, 1);
if (!ShellIsHexOrDecimalNumber(Temp, FALSE, FALSE)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, Temp);
ShellStatus = SHELL_INVALID_PARAMETER;
}
NewCol = ShellStrToUintn(Temp);
Temp = ShellCommandLineGetRawValue(Package, 2);
if (!ShellIsHexOrDecimalNumber(Temp, FALSE, FALSE)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, Temp);
ShellStatus = SHELL_INVALID_PARAMETER;
}
NewRow = ShellStrToUintn(Temp);
for (LoopVar = 0, Done = FALSE; LoopVar < gST->ConOut->Mode->MaxMode && ShellStatus == SHELL_SUCCESS ; LoopVar++) {
Status = gST->ConOut->QueryMode(gST->ConOut, LoopVar, &Col, &Row);
if (EFI_ERROR(Status)) {
continue;
}
if (Col == NewCol && Row == NewRow) {
Status = gST->ConOut->SetMode(gST->ConOut, LoopVar);
if (EFI_ERROR(Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MODE_SET_FAIL), gShellDebug1HiiHandle, Status);
ShellStatus = SHELL_DEVICE_ERROR;
} else {
// worked fine...
Done = TRUE;
}
break;
}
}
if (!Done) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MODE_NO_MATCH), gShellDebug1HiiHandle);
ShellStatus = SHELL_INVALID_PARAMETER;
}
} else if (ShellCommandLineGetCount(Package) == 1) {
//
// print out valid
//
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MODE_LIST_HEAD), gShellDebug1HiiHandle);
for (LoopVar = 0, Done = FALSE; LoopVar < gST->ConOut->Mode->MaxMode && ShellStatus == SHELL_SUCCESS ; LoopVar++) {
Status = gST->ConOut->QueryMode(gST->ConOut, LoopVar, &Col, &Row);
if (EFI_ERROR(Status)) {
continue;
}
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MODE_LIST_ITEM), gShellDebug1HiiHandle, Col, Row, LoopVar == gST->ConOut->Mode->Mode?L'*':L' ');
}
}
ShellCommandLineFreeVarList (Package);
}
return (ShellStatus);
}