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| Rev 2726 | Rev 4687 | ||
|---|---|---|---|
| 1 | /*++ |
1 | /*++ |
| 2 | 2 | ||
| 3 | Copyright (c) 1998 Intel Corporation |
3 | Copyright (c) 1998 Intel Corporation |
| 4 | 4 | ||
| 5 | Module Name: |
5 | Module Name: |
| 6 | 6 | ||
| 7 | console.c |
7 | console.c |
| 8 | 8 | ||
| 9 | Abstract: |
9 | Abstract: |
| 10 | 10 | ||
| 11 | 11 | ||
| 12 | 12 | ||
| 13 | 13 | ||
| 14 | Revision History |
14 | Revision History |
| 15 | 15 | ||
| 16 | --*/ |
16 | --*/ |
| 17 | 17 | ||
| 18 | #include "lib.h" |
18 | #include "lib.h" |
| 19 | 19 | ||
| 20 | 20 | ||
| 21 | 21 | ||
| 22 | VOID |
22 | VOID |
| 23 | Output ( |
23 | Output ( |
| 24 | IN CHAR16 *Str |
24 | IN CHAR16 *Str |
| 25 | ) |
25 | ) |
| 26 | // Write a string to the console at the current cursor location |
26 | // Write a string to the console at the current cursor location |
| 27 | { |
27 | { |
| 28 | ST->ConOut->OutputString (ST->ConOut, Str); |
28 | ST->ConOut->OutputString (ST->ConOut, Str); |
| 29 | } |
29 | } |
| 30 | 30 | ||
| 31 | 31 | ||
| 32 | VOID |
32 | VOID |
| 33 | Input ( |
33 | Input ( |
| 34 | IN CHAR16 *Prompt OPTIONAL, |
34 | IN CHAR16 *Prompt OPTIONAL, |
| 35 | OUT CHAR16 *InStr, |
35 | OUT CHAR16 *InStr, |
| 36 | IN UINTN StrLen |
36 | IN UINTN StrLen |
| 37 | ) |
37 | ) |
| 38 | // Input a string at the current cursor location, for StrLen |
38 | // Input a string at the current cursor location, for StrLen |
| 39 | { |
39 | { |
| 40 | IInput ( |
40 | IInput ( |
| 41 | ST->ConOut, |
41 | ST->ConOut, |
| 42 | ST->ConIn, |
42 | ST->ConIn, |
| 43 | Prompt, |
43 | Prompt, |
| 44 | InStr, |
44 | InStr, |
| 45 | StrLen |
45 | StrLen |
| 46 | ); |
46 | ); |
| 47 | } |
47 | } |
| 48 | 48 | ||
| 49 | VOID |
49 | VOID |
| 50 | IInput ( |
50 | IInput ( |
| 51 | IN SIMPLE_TEXT_OUTPUT_INTERFACE *ConOut, |
51 | IN SIMPLE_TEXT_OUTPUT_INTERFACE *ConOut, |
| 52 | IN SIMPLE_INPUT_INTERFACE *ConIn, |
52 | IN SIMPLE_INPUT_INTERFACE *ConIn, |
| 53 | IN CHAR16 *Prompt OPTIONAL, |
53 | IN CHAR16 *Prompt OPTIONAL, |
| 54 | OUT CHAR16 *InStr, |
54 | OUT CHAR16 *InStr, |
| 55 | IN UINTN StrLen |
55 | IN UINTN StrLen |
| 56 | ) |
56 | ) |
| 57 | // Input a string at the current cursor location, for StrLen |
57 | // Input a string at the current cursor location, for StrLen |
| 58 | { |
58 | { |
| 59 | EFI_INPUT_KEY Key; |
59 | EFI_INPUT_KEY Key; |
| 60 | EFI_STATUS Status; |
60 | EFI_STATUS Status; |
| 61 | UINTN Len; |
61 | UINTN Len; |
| 62 | 62 | ||
| 63 | if (Prompt) { |
63 | if (Prompt) { |
| 64 | ConOut->OutputString (ConOut, Prompt); |
64 | ConOut->OutputString (ConOut, Prompt); |
| 65 | } |
65 | } |
| 66 | 66 | ||
| 67 | Len = 0; |
67 | Len = 0; |
| 68 | for (; ;) { |
68 | for (; ;) { |
| 69 | WaitForSingleEvent (ConIn->WaitForKey, 0); |
69 | WaitForSingleEvent (ConIn->WaitForKey, 0); |
| 70 | 70 | ||
| 71 | Status = ConIn->ReadKeyStroke(ConIn, &Key); |
71 | Status = ConIn->ReadKeyStroke(ConIn, &Key); |
| 72 | if (EFI_ERROR(Status)) { |
72 | if (EFI_ERROR(Status)) { |
| 73 | DEBUG((D_ERROR, "Input: error return from ReadKey %x\n", Status)); |
73 | DEBUG((D_ERROR, "Input: error return from ReadKey %x\n", Status)); |
| 74 | break; |
74 | break; |
| 75 | } |
75 | } |
| 76 | 76 | ||
| 77 | if (Key.UnicodeChar == '\n' || |
77 | if (Key.UnicodeChar == '\n' || |
| 78 | Key.UnicodeChar == '\r') { |
78 | Key.UnicodeChar == '\r') { |
| 79 | break; |
79 | break; |
| 80 | } |
80 | } |
| 81 | 81 | ||
| 82 | if (Key.UnicodeChar == '\b') { |
82 | if (Key.UnicodeChar == '\b') { |
| 83 | if (Len) { |
83 | if (Len) { |
| 84 | ConOut->OutputString(ConOut, L"\b \b"); |
84 | ConOut->OutputString(ConOut, L"\b \b"); |
| 85 | Len -= 1; |
85 | Len -= 1; |
| 86 | } |
86 | } |
| 87 | continue; |
87 | continue; |
| 88 | } |
88 | } |
| 89 | 89 | ||
| 90 | if (Key.UnicodeChar >= ' ') { |
90 | if (Key.UnicodeChar >= ' ') { |
| 91 | if (Len < StrLen-1) { |
91 | if (Len < StrLen-1) { |
| 92 | InStr[Len] = Key.UnicodeChar; |
92 | InStr[Len] = Key.UnicodeChar; |
| 93 | 93 | ||
| 94 | InStr[Len+1] = 0; |
94 | InStr[Len+1] = 0; |
| 95 | ConOut->OutputString(ConOut, &InStr[Len]); |
95 | ConOut->OutputString(ConOut, &InStr[Len]); |
| 96 | 96 | ||
| 97 | Len += 1; |
97 | Len += 1; |
| 98 | } |
98 | } |
| 99 | continue; |
99 | continue; |
| 100 | } |
100 | } |
| 101 | } |
101 | } |
| 102 | 102 | ||
| 103 | InStr[Len] = 0; |
103 | InStr[Len] = 0; |
| 104 | } |
104 | } |
| 105 | 105 | ||