/**
List out help information on all the commands or print extended information
about a specific passed in command.
Argv[0] - "help"
Argv[1] - Command to display help about
@param Argc Number of command arguments in Argv
@param Argv Array of strings that represent the parsed command line.
Argv[0] is the command name
@return EFI_SUCCESS
**/
EFI_STATUS
EFIAPI
EblHelpCmd (
IN UINTN Argc,
IN CHAR8 **Argv
)
{
UINTN Index;
CHAR8 *Ptr;
UINTN CurrentRow = 0;
if (Argc == 1) {
// Print all the commands
AsciiPrint ("Embedded Boot Loader (EBL) commands (help command for more info):\n");
CurrentRow++;
for (Index = 0; Index < mCmdTableNextFreeIndex; Index++) {
EblSetTextColor (EFI_YELLOW);
AsciiPrint (" %a", mCmdTable[Index]->Name);
EblSetTextColor (0);
AsciiPrint ("%a\n", mCmdTable[Index]->HelpSummary);
// Handle multi line help summaries
CurrentRow += CountNewLines (mCmdTable[Index]->HelpSummary);
if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
break;
}
}
} else if (Argv[1] != NULL) {
// Print specific help
for (Index = 0, CurrentRow = 0; Index < mCmdTableNextFreeIndex; Index++) {
if (AsciiStriCmp (Argv[1], mCmdTable[Index]->Name) == 0) {
Ptr = (mCmdTable[Index]->Help == NULL) ? mCmdTable[Index]->HelpSummary : mCmdTable[Index]->Help;
AsciiPrint ("%a%a\n", Argv[1], Ptr);
// Handle multi line help summaries
CurrentRow += CountNewLines (Ptr);
if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
break;
}
}
}
}
return EFI_SUCCESS;
}
static byte InitMenuBox(void) {
int i, y;
if (ShowText()) {
y = CountNewLines(text) + 2;
for (i = 0; i < listN; i++) {
TwGotoXYWindow(Dialog_Win, 3, i+y);
TwWriteAsciiWindow(Dialog_Win, strlen(list[i].tag), list[i].tag);
TwGotoXYWindow(Dialog_Win, 10, i+y);
TwWriteAsciiWindow(Dialog_Win, strlen(list[i].item), list[i].item);
}
return InitButtons(" OK ", "Cancel");
}
return FALSE;
}
