| 0,0 → 1,104 |
|---|
| /*++ |
| |
| Copyright (c) 1998 Intel Corporation |
| |
| Module Name: |
| |
| console.c |
| |
| Abstract: |
| |
| |
| |
| |
| Revision History |
| |
| --*/ |
| |
| #include "lib.h" |
| |
| |
| |
| VOID |
| Output ( |
| IN CHAR16 *Str |
| ) |
| // Write a string to the console at the current cursor location |
| { |
| ST->ConOut->OutputString (ST->ConOut, Str); |
| } |
| |
| |
| VOID |
| Input ( |
| IN CHAR16 *Prompt OPTIONAL, |
| OUT CHAR16 *InStr, |
| IN UINTN StrLen |
| ) |
| // Input a string at the current cursor location, for StrLen |
| { |
| IInput ( |
| ST->ConOut, |
| ST->ConIn, |
| Prompt, |
| InStr, |
| StrLen |
| ); |
| } |
| |
| VOID |
| IInput ( |
| IN SIMPLE_TEXT_OUTPUT_INTERFACE *ConOut, |
| IN SIMPLE_INPUT_INTERFACE *ConIn, |
| IN CHAR16 *Prompt OPTIONAL, |
| OUT CHAR16 *InStr, |
| IN UINTN StrLen |
| ) |
| // Input a string at the current cursor location, for StrLen |
| { |
| EFI_INPUT_KEY Key; |
| EFI_STATUS Status; |
| UINTN Len; |
| |
| if (Prompt) { |
| ConOut->OutputString (ConOut, Prompt); |
| } |
| |
| Len = 0; |
| for (; ;) { |
| WaitForSingleEvent (ConIn->WaitForKey, 0); |
| |
| Status = ConIn->ReadKeyStroke(ConIn, &Key); |
| if (EFI_ERROR(Status)) { |
| DEBUG((D_ERROR, "Input: error return from ReadKey %x\n", Status)); |
| break; |
| } |
| |
| if (Key.UnicodeChar == '\n' || |
| Key.UnicodeChar == '\r') { |
| break; |
| } |
| |
| if (Key.UnicodeChar == '\b') { |
| if (Len) { |
| ConOut->OutputString(ConOut, L"\b \b"); |
| Len -= 1; |
| } |
| continue; |
| } |
| |
| if (Key.UnicodeChar >= ' ') { |
| if (Len < StrLen-1) { |
| InStr[Len] = Key.UnicodeChar; |
| |
| InStr[Len+1] = 0; |
| ConOut->OutputString(ConOut, &InStr[Len]); |
| |
| Len += 1; |
| } |
| continue; |
| } |
| } |
| |
| InStr[Len] = 0; |
| } |