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804405e7 | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2004, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | ConsoleIn.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Console based on Posix APIs.\r | |
19 | \r | |
20 | This file attaches a SimpleTextIn protocol to a previously open window.\r | |
21 | \r | |
22 | The constructor for this protocol depends on an open window. Currently\r | |
23 | the SimpleTextOut protocol creates a window when it's constructor is called.\r | |
24 | Thus this code must run after the constructor for the SimpleTextOut\r | |
25 | protocol\r | |
26 | \r | |
27 | --*/\r | |
28 | \r | |
29 | #include "Console.h"\r | |
30 | #include <sys/poll.h> | |
31 | \r | |
32 | //\r | |
33 | // Private worker functions\r | |
34 | //\r | |
804405e7 | 35 | EFI_STATUS\r |
36 | UnixSimpleTextInCheckKey (\r | |
37 | UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private\r | |
38 | );\r | |
39 | \r | |
40 | EFI_STATUS\r | |
41 | EFIAPI\r | |
42 | UnixSimpleTextInReset (\r | |
43 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
44 | IN BOOLEAN ExtendedVerification\r | |
45 | )\r | |
46 | /*++\r | |
47 | \r | |
48 | Routine Description:\r | |
49 | \r | |
50 | TODO: Add function description\r | |
51 | \r | |
52 | Arguments:\r | |
53 | \r | |
54 | This - TODO: add argument description\r | |
55 | ExtendedVerification - TODO: add argument description\r | |
56 | \r | |
57 | Returns:\r | |
58 | \r | |
59 | EFI_SUCCESS - TODO: Add description for return value\r | |
60 | \r | |
61 | --*/\r | |
62 | {\r | |
63 | UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private;\r | |
64 | \r | |
65 | Private = UNIX_SIMPLE_TEXT_IN_PRIVATE_DATA_FROM_THIS (This);\r | |
66 | return EFI_SUCCESS;\r | |
67 | }\r | |
68 | \r | |
804405e7 | 69 | EFI_STATUS\r |
70 | UnixConvertInputRecordToEfiKey (\r | |
71 | IN char c, | |
72 | OUT EFI_INPUT_KEY *Key\r | |
73 | )\r | |
74 | /*++\r | |
75 | \r | |
76 | Routine Description:\r | |
77 | \r | |
78 | TODO: Add function description\r | |
79 | \r | |
80 | Arguments:\r | |
81 | \r | |
82 | InputRecord - TODO: add argument description\r | |
83 | Key - TODO: add argument description\r | |
84 | \r | |
85 | Returns:\r | |
86 | \r | |
87 | EFI_NOT_READY - TODO: Add description for return value\r | |
88 | EFI_NOT_READY - TODO: Add description for return value\r | |
89 | EFI_NOT_READY - TODO: Add description for return value\r | |
90 | EFI_SUCCESS - TODO: Add description for return value\r | |
91 | \r | |
92 | --*/\r | |
93 | {\r | |
94 | Key->ScanCode = 0;\r | |
95 | if (c == '\n') | |
96 | c = '\r'; | |
97 | Key->UnicodeChar = c;\r | |
98 | return EFI_SUCCESS;\r | |
99 | }\r | |
100 | \r | |
804405e7 | 101 | EFI_STATUS\r |
102 | EFIAPI\r | |
103 | UnixSimpleTextInReadKeyStroke (\r | |
104 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
105 | OUT EFI_INPUT_KEY *Key\r | |
106 | )\r | |
107 | /*++\r | |
108 | \r | |
109 | Routine Description:\r | |
110 | \r | |
111 | TODO: Add function description\r | |
112 | \r | |
113 | Arguments:\r | |
114 | \r | |
115 | This - TODO: add argument description\r | |
116 | Key - TODO: add argument description\r | |
117 | \r | |
118 | Returns:\r | |
119 | \r | |
120 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
121 | EFI_NOT_READY - TODO: Add description for return value\r | |
122 | \r | |
123 | --*/\r | |
124 | {\r | |
125 | EFI_STATUS Status;\r | |
126 | UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private;\r | |
127 | char c; | |
128 | \r | |
129 | Private = UNIX_SIMPLE_TEXT_IN_PRIVATE_DATA_FROM_THIS (This);\r | |
130 | \r | |
131 | Status = UnixSimpleTextInCheckKey (Private);\r | |
132 | if (EFI_ERROR (Status)) {\r | |
133 | return Status;\r | |
134 | }\r | |
135 | \r | |
136 | if (Private->UnixThunk->Read (0, &c, 1) != 1) | |
137 | return EFI_NOT_READY;\r | |
138 | Status = UnixConvertInputRecordToEfiKey (c, Key);\r | |
139 | \r | |
140 | return Status;\r | |
141 | }\r | |
142 | \r | |
804405e7 | 143 | VOID\r |
144 | EFIAPI\r | |
145 | UnixSimpleTextInWaitForKey (\r | |
146 | IN EFI_EVENT Event,\r | |
147 | IN VOID *Context\r | |
148 | )\r | |
149 | /*++\r | |
150 | \r | |
151 | Routine Description:\r | |
152 | \r | |
153 | TODO: Add function description\r | |
154 | \r | |
155 | Arguments:\r | |
156 | \r | |
157 | Event - TODO: add argument description\r | |
158 | Context - TODO: add argument description\r | |
159 | \r | |
160 | Returns:\r | |
161 | \r | |
162 | TODO: add return values\r | |
163 | \r | |
164 | --*/\r | |
165 | {\r | |
166 | UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private;\r | |
167 | EFI_STATUS Status;\r | |
168 | \r | |
169 | Private = (UNIX_SIMPLE_TEXT_PRIVATE_DATA *) Context;\r | |
170 | Status = UnixSimpleTextInCheckKey (Private);\r | |
171 | if (!EFI_ERROR (Status)) {\r | |
172 | gBS->SignalEvent (Event);\r | |
173 | }\r | |
174 | }\r | |
175 | \r | |
804405e7 | 176 | EFI_STATUS\r |
177 | UnixSimpleTextInCheckKey (\r | |
178 | UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private\r | |
179 | )\r | |
180 | /*++\r | |
181 | \r | |
182 | Routine Description:\r | |
183 | \r | |
184 | TODO: Add function description\r | |
185 | \r | |
186 | Arguments:\r | |
187 | \r | |
188 | Private - TODO: add argument description\r | |
189 | \r | |
190 | Returns:\r | |
191 | \r | |
192 | TODO: add return values\r | |
193 | \r | |
194 | --*/\r | |
195 | {\r | |
196 | struct pollfd pfd; | |
197 | \r | |
198 | pfd.fd = 0; | |
199 | pfd.events = POLLIN; | |
200 | if (Private->UnixThunk->Poll (&pfd, 1, 0) <= 0) { | |
201 | return EFI_NOT_READY;\r | |
202 | }\r | |
203 | return EFI_SUCCESS;\r | |
204 | }\r | |
205 | \r | |
206 | EFI_STATUS\r | |
207 | UnixSimpleTextInAttachToWindow (\r | |
208 | IN UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private\r | |
209 | )\r | |
210 | /*++\r | |
211 | \r | |
212 | Routine Description:\r | |
213 | \r | |
214 | TODO: Add function description\r | |
215 | \r | |
216 | Arguments:\r | |
217 | \r | |
218 | Private - TODO: add argument description\r | |
219 | \r | |
220 | Returns:\r | |
221 | \r | |
222 | TODO: add return values\r | |
223 | \r | |
224 | --*/\r | |
225 | {\r | |
226 | EFI_STATUS Status;\r | |
227 | \r | |
228 | Private->SimpleTextIn.Reset = UnixSimpleTextInReset;\r | |
229 | Private->SimpleTextIn.ReadKeyStroke = UnixSimpleTextInReadKeyStroke;\r | |
230 | \r | |
231 | Status = gBS->CreateEvent (\r | |
232 | EVT_NOTIFY_WAIT,\r | |
233 | TPL_NOTIFY,\r | |
234 | UnixSimpleTextInWaitForKey,\r | |
235 | Private,\r | |
236 | &Private->SimpleTextIn.WaitForKey\r | |
237 | );\r | |
238 | ASSERT_EFI_ERROR (Status);\r | |
239 | \r | |
240 | return Status;\r | |
241 | }\r |