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7936fb6a | 1 | /** @file\r |
2 | Utility functions for expression evaluation.\r | |
3 | \r | |
e5eed7d3 HT |
4 | Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r |
5 | This program and the accompanying materials\r | |
7936fb6a | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
7936fb6a | 15 | #include "Setup.h"\r |
16 | \r | |
17 | //\r | |
18 | // Global stack used to evaluate boolean expresions\r | |
19 | //\r | |
20 | EFI_HII_VALUE *mOpCodeScopeStack = NULL;\r | |
21 | EFI_HII_VALUE *mOpCodeScopeStackEnd = NULL;\r | |
22 | EFI_HII_VALUE *mOpCodeScopeStackPointer = NULL;\r | |
23 | \r | |
24 | EFI_HII_VALUE *mExpressionEvaluationStack = NULL;\r | |
25 | EFI_HII_VALUE *mExpressionEvaluationStackEnd = NULL;\r | |
26 | EFI_HII_VALUE *mExpressionEvaluationStackPointer = NULL;\r | |
2573712e LG |
27 | UINTN mExpressionEvaluationStackOffset = 0;\r |
28 | \r | |
29 | EFI_HII_VALUE *mCurrentExpressionStack = NULL;\r | |
30 | EFI_HII_VALUE *mCurrentExpressionEnd = NULL;\r | |
31 | EFI_HII_VALUE *mCurrentExpressionPointer = NULL;\r | |
32 | \r | |
33 | EFI_HII_VALUE *mMapExpressionListStack = NULL;\r | |
34 | EFI_HII_VALUE *mMapExpressionListEnd = NULL;\r | |
35 | EFI_HII_VALUE *mMapExpressionListPointer = NULL;\r | |
7936fb6a | 36 | \r |
37 | //\r | |
38 | // Unicode collation protocol interface\r | |
39 | //\r | |
40 | EFI_UNICODE_COLLATION_PROTOCOL *mUnicodeCollation = NULL;\r | |
cbf73e50 | 41 | EFI_USER_MANAGER_PROTOCOL *mUserManager = NULL;\r |
7936fb6a | 42 | \r |
43 | /**\r | |
44 | Grow size of the stack.\r | |
45 | \r | |
46 | This is an internal function.\r | |
47 | \r | |
48 | @param Stack On input: old stack; On output: new stack\r | |
49 | @param StackPtr On input: old stack pointer; On output: new stack\r | |
50 | pointer\r | |
51 | @param StackEnd On input: old stack end; On output: new stack end\r | |
52 | \r | |
53 | @retval EFI_SUCCESS Grow stack success.\r | |
54 | @retval EFI_OUT_OF_RESOURCES No enough memory for stack space.\r | |
55 | \r | |
56 | **/\r | |
57 | EFI_STATUS\r | |
58 | GrowStack (\r | |
59 | IN OUT EFI_HII_VALUE **Stack,\r | |
60 | IN OUT EFI_HII_VALUE **StackPtr,\r | |
61 | IN OUT EFI_HII_VALUE **StackEnd\r | |
62 | )\r | |
63 | {\r | |
64 | UINTN Size;\r | |
65 | EFI_HII_VALUE *NewStack;\r | |
66 | \r | |
67 | Size = EXPRESSION_STACK_SIZE_INCREMENT;\r | |
68 | if (*StackPtr != NULL) {\r | |
69 | Size = Size + (*StackEnd - *Stack);\r | |
70 | }\r | |
71 | \r | |
72 | NewStack = AllocatePool (Size * sizeof (EFI_HII_VALUE));\r | |
73 | if (NewStack == NULL) {\r | |
74 | return EFI_OUT_OF_RESOURCES;\r | |
75 | }\r | |
76 | \r | |
77 | if (*StackPtr != NULL) {\r | |
78 | //\r | |
79 | // Copy from Old Stack to the New Stack\r | |
80 | //\r | |
81 | CopyMem (\r | |
82 | NewStack,\r | |
83 | *Stack,\r | |
84 | (*StackEnd - *Stack) * sizeof (EFI_HII_VALUE)\r | |
85 | );\r | |
86 | \r | |
87 | //\r | |
88 | // Free The Old Stack\r | |
89 | //\r | |
f4113e1f | 90 | FreePool (*Stack);\r |
7936fb6a | 91 | }\r |
92 | \r | |
93 | //\r | |
94 | // Make the Stack pointer point to the old data in the new stack\r | |
95 | //\r | |
96 | *StackPtr = NewStack + (*StackPtr - *Stack);\r | |
97 | *Stack = NewStack;\r | |
98 | *StackEnd = NewStack + Size;\r | |
99 | \r | |
100 | return EFI_SUCCESS;\r | |
101 | }\r | |
102 | \r | |
103 | \r | |
104 | /**\r | |
105 | Push an element onto the Boolean Stack.\r | |
106 | \r | |
107 | @param Stack On input: old stack; On output: new stack\r | |
108 | @param StackPtr On input: old stack pointer; On output: new stack\r | |
109 | pointer\r | |
110 | @param StackEnd On input: old stack end; On output: new stack end\r | |
111 | @param Data Data to push.\r | |
112 | \r | |
113 | @retval EFI_SUCCESS Push stack success.\r | |
114 | \r | |
115 | **/\r | |
116 | EFI_STATUS\r | |
117 | PushStack (\r | |
118 | IN OUT EFI_HII_VALUE **Stack,\r | |
119 | IN OUT EFI_HII_VALUE **StackPtr,\r | |
120 | IN OUT EFI_HII_VALUE **StackEnd,\r | |
121 | IN EFI_HII_VALUE *Data\r | |
122 | )\r | |
123 | {\r | |
124 | EFI_STATUS Status;\r | |
125 | \r | |
126 | //\r | |
127 | // Check for a stack overflow condition\r | |
128 | //\r | |
129 | if (*StackPtr >= *StackEnd) {\r | |
130 | //\r | |
131 | // Grow the stack\r | |
132 | //\r | |
133 | Status = GrowStack (Stack, StackPtr, StackEnd);\r | |
134 | if (EFI_ERROR (Status)) {\r | |
135 | return Status;\r | |
136 | }\r | |
137 | }\r | |
138 | \r | |
139 | //\r | |
140 | // Push the item onto the stack\r | |
141 | //\r | |
142 | CopyMem (*StackPtr, Data, sizeof (EFI_HII_VALUE));\r | |
143 | *StackPtr = *StackPtr + 1;\r | |
144 | \r | |
145 | return EFI_SUCCESS;\r | |
146 | }\r | |
147 | \r | |
148 | \r | |
149 | /**\r | |
150 | Pop an element from the stack.\r | |
151 | \r | |
2573712e LG |
152 | @param Stack On input: old stack\r |
153 | @param StackPtr On input: old stack pointer; On output: new stack pointer\r | |
7936fb6a | 154 | @param Data Data to pop.\r |
155 | \r | |
156 | @retval EFI_SUCCESS The value was popped onto the stack.\r | |
157 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r | |
158 | \r | |
159 | **/\r | |
160 | EFI_STATUS\r | |
161 | PopStack (\r | |
2573712e | 162 | IN EFI_HII_VALUE *Stack,\r |
7936fb6a | 163 | IN OUT EFI_HII_VALUE **StackPtr,\r |
7936fb6a | 164 | OUT EFI_HII_VALUE *Data\r |
165 | )\r | |
166 | {\r | |
167 | //\r | |
168 | // Check for a stack underflow condition\r | |
169 | //\r | |
2573712e | 170 | if (*StackPtr == Stack) {\r |
7936fb6a | 171 | return EFI_ACCESS_DENIED;\r |
172 | }\r | |
173 | \r | |
174 | //\r | |
175 | // Pop the item off the stack\r | |
176 | //\r | |
177 | *StackPtr = *StackPtr - 1;\r | |
178 | CopyMem (Data, *StackPtr, sizeof (EFI_HII_VALUE));\r | |
179 | return EFI_SUCCESS;\r | |
180 | }\r | |
181 | \r | |
182 | \r | |
2573712e LG |
183 | /**\r |
184 | Reset stack pointer to begin of the stack.\r | |
185 | \r | |
186 | **/\r | |
187 | VOID\r | |
188 | ResetCurrentExpressionStack (\r | |
189 | VOID\r | |
190 | )\r | |
191 | {\r | |
192 | mCurrentExpressionPointer = mCurrentExpressionStack;\r | |
193 | }\r | |
194 | \r | |
195 | \r | |
196 | /**\r | |
197 | Push current expression onto the Stack\r | |
198 | \r | |
199 | @param Pointer Pointer to current expression.\r | |
200 | \r | |
201 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
202 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.\r | |
203 | \r | |
204 | **/\r | |
205 | EFI_STATUS\r | |
206 | PushCurrentExpression (\r | |
207 | IN VOID *Pointer\r | |
208 | )\r | |
209 | {\r | |
210 | EFI_HII_VALUE Data;\r | |
211 | \r | |
212 | Data.Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
213 | Data.Value.u64 = (UINT64) (UINTN) Pointer;\r | |
214 | \r | |
215 | return PushStack (\r | |
216 | &mCurrentExpressionStack,\r | |
217 | &mCurrentExpressionPointer,\r | |
218 | &mCurrentExpressionEnd,\r | |
219 | &Data\r | |
220 | );\r | |
221 | }\r | |
222 | \r | |
223 | \r | |
224 | /**\r | |
225 | Pop current expression from the Stack\r | |
226 | \r | |
227 | @param Pointer Pointer to current expression to be pop.\r | |
228 | \r | |
229 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
230 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.\r | |
231 | \r | |
232 | **/\r | |
233 | EFI_STATUS\r | |
234 | PopCurrentExpression (\r | |
235 | OUT VOID **Pointer\r | |
236 | )\r | |
237 | {\r | |
238 | EFI_STATUS Status;\r | |
239 | EFI_HII_VALUE Data;\r | |
240 | \r | |
241 | Status = PopStack (\r | |
242 | mCurrentExpressionStack,\r | |
243 | &mCurrentExpressionPointer,\r | |
244 | &Data\r | |
245 | );\r | |
246 | \r | |
247 | *Pointer = (VOID *) (UINTN) Data.Value.u64;\r | |
248 | \r | |
249 | return Status;\r | |
250 | }\r | |
251 | \r | |
252 | /**\r | |
253 | Reset stack pointer to begin of the stack.\r | |
254 | \r | |
255 | **/\r | |
256 | VOID\r | |
257 | ResetMapExpressionListStack (\r | |
258 | VOID\r | |
259 | )\r | |
260 | {\r | |
261 | mMapExpressionListPointer = mMapExpressionListStack;\r | |
262 | }\r | |
263 | \r | |
264 | \r | |
265 | /**\r | |
266 | Push the list of map expression onto the Stack\r | |
267 | \r | |
268 | @param Pointer Pointer to the list of map expression to be pushed.\r | |
269 | \r | |
270 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
271 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.\r | |
272 | \r | |
273 | **/\r | |
274 | EFI_STATUS\r | |
275 | PushMapExpressionList (\r | |
276 | IN VOID *Pointer\r | |
277 | )\r | |
278 | {\r | |
279 | EFI_HII_VALUE Data;\r | |
280 | \r | |
281 | Data.Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
282 | Data.Value.u64 = (UINT64) (UINTN) Pointer;\r | |
283 | \r | |
284 | return PushStack (\r | |
285 | &mMapExpressionListStack,\r | |
286 | &mMapExpressionListPointer,\r | |
287 | &mMapExpressionListEnd,\r | |
288 | &Data\r | |
289 | );\r | |
290 | }\r | |
291 | \r | |
292 | \r | |
293 | /**\r | |
294 | Pop the list of map expression from the Stack\r | |
295 | \r | |
296 | @param Pointer Pointer to the list of map expression to be pop.\r | |
297 | \r | |
298 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
299 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.\r | |
300 | \r | |
301 | **/\r | |
302 | EFI_STATUS\r | |
303 | PopMapExpressionList (\r | |
304 | OUT VOID **Pointer\r | |
305 | )\r | |
306 | {\r | |
307 | EFI_STATUS Status;\r | |
308 | EFI_HII_VALUE Data;\r | |
309 | \r | |
310 | Status = PopStack (\r | |
311 | mMapExpressionListStack,\r | |
312 | &mMapExpressionListPointer,\r | |
313 | &Data\r | |
314 | );\r | |
315 | \r | |
316 | *Pointer = (VOID *) (UINTN) Data.Value.u64;\r | |
317 | \r | |
318 | return Status;\r | |
319 | }\r | |
320 | \r | |
7936fb6a | 321 | /**\r |
322 | Reset stack pointer to begin of the stack.\r | |
323 | \r | |
324 | **/\r | |
325 | VOID\r | |
326 | ResetScopeStack (\r | |
327 | VOID\r | |
328 | )\r | |
329 | {\r | |
330 | mOpCodeScopeStackPointer = mOpCodeScopeStack;\r | |
331 | }\r | |
332 | \r | |
333 | \r | |
334 | /**\r | |
335 | Push an Operand onto the Stack\r | |
336 | \r | |
337 | @param Operand Operand to push.\r | |
338 | \r | |
339 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
340 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r | |
341 | stack.\r | |
342 | \r | |
343 | **/\r | |
344 | EFI_STATUS\r | |
345 | PushScope (\r | |
346 | IN UINT8 Operand\r | |
347 | )\r | |
348 | {\r | |
349 | EFI_HII_VALUE Data;\r | |
350 | \r | |
351 | Data.Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
352 | Data.Value.u8 = Operand;\r | |
353 | \r | |
354 | return PushStack (\r | |
355 | &mOpCodeScopeStack,\r | |
356 | &mOpCodeScopeStackPointer,\r | |
357 | &mOpCodeScopeStackEnd,\r | |
358 | &Data\r | |
359 | );\r | |
360 | }\r | |
361 | \r | |
362 | \r | |
363 | /**\r | |
364 | Pop an Operand from the Stack\r | |
365 | \r | |
366 | @param Operand Operand to pop.\r | |
367 | \r | |
368 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
369 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r | |
370 | stack.\r | |
371 | \r | |
372 | **/\r | |
373 | EFI_STATUS\r | |
374 | PopScope (\r | |
375 | OUT UINT8 *Operand\r | |
376 | )\r | |
377 | {\r | |
378 | EFI_STATUS Status;\r | |
379 | EFI_HII_VALUE Data;\r | |
380 | \r | |
381 | Status = PopStack (\r | |
2573712e | 382 | mOpCodeScopeStack,\r |
7936fb6a | 383 | &mOpCodeScopeStackPointer,\r |
7936fb6a | 384 | &Data\r |
385 | );\r | |
386 | \r | |
387 | *Operand = Data.Value.u8;\r | |
388 | \r | |
389 | return Status;\r | |
390 | }\r | |
391 | \r | |
392 | \r | |
7936fb6a | 393 | /**\r |
394 | Push an Expression value onto the Stack\r | |
395 | \r | |
396 | @param Value Expression value to push.\r | |
397 | \r | |
398 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
399 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r | |
400 | stack.\r | |
401 | \r | |
402 | **/\r | |
403 | EFI_STATUS\r | |
404 | PushExpression (\r | |
405 | IN EFI_HII_VALUE *Value\r | |
406 | )\r | |
407 | {\r | |
408 | return PushStack (\r | |
409 | &mExpressionEvaluationStack,\r | |
410 | &mExpressionEvaluationStackPointer,\r | |
411 | &mExpressionEvaluationStackEnd,\r | |
412 | Value\r | |
413 | );\r | |
414 | }\r | |
415 | \r | |
416 | \r | |
417 | /**\r | |
418 | Pop an Expression value from the stack.\r | |
419 | \r | |
420 | @param Value Expression value to pop.\r | |
421 | \r | |
422 | @retval EFI_SUCCESS The value was popped onto the stack.\r | |
423 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r | |
424 | \r | |
425 | **/\r | |
426 | EFI_STATUS\r | |
427 | PopExpression (\r | |
428 | OUT EFI_HII_VALUE *Value\r | |
429 | )\r | |
430 | {\r | |
431 | return PopStack (\r | |
2573712e | 432 | mExpressionEvaluationStack + mExpressionEvaluationStackOffset,\r |
7936fb6a | 433 | &mExpressionEvaluationStackPointer,\r |
7936fb6a | 434 | Value\r |
435 | );\r | |
436 | }\r | |
437 | \r | |
2573712e LG |
438 | /**\r |
439 | Get current stack offset from stack start.\r | |
440 | \r | |
441 | @return Stack offset to stack start.\r | |
442 | **/\r | |
443 | UINTN\r | |
444 | SaveExpressionEvaluationStackOffset (\r | |
445 | )\r | |
446 | {\r | |
447 | UINTN TempStackOffset;\r | |
448 | TempStackOffset = mExpressionEvaluationStackOffset;\r | |
449 | mExpressionEvaluationStackOffset = mExpressionEvaluationStackPointer - mExpressionEvaluationStack;\r | |
450 | return TempStackOffset;\r | |
451 | }\r | |
452 | \r | |
453 | /**\r | |
454 | Restore stack offset based on input stack offset\r | |
455 | \r | |
456 | @param StackOffset Offset to stack start.\r | |
457 | \r | |
458 | **/\r | |
459 | VOID\r | |
460 | RestoreExpressionEvaluationStackOffset (\r | |
461 | UINTN StackOffset\r | |
462 | )\r | |
463 | {\r | |
464 | mExpressionEvaluationStackOffset = StackOffset;\r | |
465 | }\r | |
7936fb6a | 466 | \r |
467 | /**\r | |
468 | Get Form given its FormId.\r | |
469 | \r | |
470 | @param FormSet The formset which contains this form.\r | |
471 | @param FormId Id of this form.\r | |
472 | \r | |
473 | @retval Pointer The form.\r | |
474 | @retval NULL Specified Form is not found in the formset.\r | |
475 | \r | |
476 | **/\r | |
477 | FORM_BROWSER_FORM *\r | |
478 | IdToForm (\r | |
479 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
480 | IN UINT16 FormId\r | |
481 | )\r | |
482 | {\r | |
483 | LIST_ENTRY *Link;\r | |
484 | FORM_BROWSER_FORM *Form;\r | |
485 | \r | |
486 | Link = GetFirstNode (&FormSet->FormListHead);\r | |
487 | while (!IsNull (&FormSet->FormListHead, Link)) {\r | |
488 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r | |
489 | \r | |
490 | if (Form->FormId == FormId) {\r | |
491 | return Form;\r | |
492 | }\r | |
493 | \r | |
494 | Link = GetNextNode (&FormSet->FormListHead, Link);\r | |
495 | }\r | |
496 | \r | |
497 | return NULL;\r | |
498 | }\r | |
499 | \r | |
500 | \r | |
501 | /**\r | |
502 | Search a Question in Form scope using its QuestionId.\r | |
503 | \r | |
504 | @param Form The form which contains this Question.\r | |
505 | @param QuestionId Id of this Question.\r | |
506 | \r | |
507 | @retval Pointer The Question.\r | |
508 | @retval NULL Specified Question not found in the form.\r | |
509 | \r | |
510 | **/\r | |
511 | FORM_BROWSER_STATEMENT *\r | |
512 | IdToQuestion2 (\r | |
513 | IN FORM_BROWSER_FORM *Form,\r | |
514 | IN UINT16 QuestionId\r | |
515 | )\r | |
516 | {\r | |
517 | LIST_ENTRY *Link;\r | |
518 | FORM_BROWSER_STATEMENT *Question;\r | |
519 | \r | |
520 | if (QuestionId == 0) {\r | |
521 | //\r | |
522 | // The value of zero is reserved\r | |
523 | //\r | |
524 | return NULL;\r | |
525 | }\r | |
526 | \r | |
527 | Link = GetFirstNode (&Form->StatementListHead);\r | |
528 | while (!IsNull (&Form->StatementListHead, Link)) {\r | |
529 | Question = FORM_BROWSER_STATEMENT_FROM_LINK (Link);\r | |
530 | \r | |
531 | if (Question->QuestionId == QuestionId) {\r | |
532 | return Question;\r | |
533 | }\r | |
534 | \r | |
535 | Link = GetNextNode (&Form->StatementListHead, Link);\r | |
536 | }\r | |
537 | \r | |
538 | return NULL;\r | |
539 | }\r | |
540 | \r | |
541 | \r | |
542 | /**\r | |
543 | Search a Question in Formset scope using its QuestionId.\r | |
544 | \r | |
545 | @param FormSet The formset which contains this form.\r | |
546 | @param Form The form which contains this Question.\r | |
547 | @param QuestionId Id of this Question.\r | |
548 | \r | |
549 | @retval Pointer The Question.\r | |
550 | @retval NULL Specified Question not found in the form.\r | |
551 | \r | |
552 | **/\r | |
553 | FORM_BROWSER_STATEMENT *\r | |
554 | IdToQuestion (\r | |
555 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
556 | IN FORM_BROWSER_FORM *Form,\r | |
557 | IN UINT16 QuestionId\r | |
558 | )\r | |
559 | {\r | |
560 | LIST_ENTRY *Link;\r | |
561 | FORM_BROWSER_STATEMENT *Question;\r | |
562 | \r | |
563 | //\r | |
564 | // Search in the form scope first\r | |
565 | //\r | |
566 | Question = IdToQuestion2 (Form, QuestionId);\r | |
567 | if (Question != NULL) {\r | |
568 | return Question;\r | |
569 | }\r | |
570 | \r | |
571 | //\r | |
572 | // Search in the formset scope\r | |
573 | //\r | |
574 | Link = GetFirstNode (&FormSet->FormListHead);\r | |
575 | while (!IsNull (&FormSet->FormListHead, Link)) {\r | |
576 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r | |
577 | \r | |
578 | Question = IdToQuestion2 (Form, QuestionId);\r | |
579 | if (Question != NULL) {\r | |
8d00a0f1 | 580 | //\r |
581 | // EFI variable storage may be updated by Callback() asynchronous,\r | |
582 | // to keep synchronous, always reload the Question Value.\r | |
583 | //\r | |
584 | if (Question->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {\r | |
585 | GetQuestionValue (FormSet, Form, Question, FALSE);\r | |
586 | }\r | |
587 | \r | |
7936fb6a | 588 | return Question;\r |
589 | }\r | |
590 | \r | |
591 | Link = GetNextNode (&FormSet->FormListHead, Link);\r | |
592 | }\r | |
593 | \r | |
594 | return NULL;\r | |
595 | }\r | |
596 | \r | |
597 | \r | |
598 | /**\r | |
599 | Get Expression given its RuleId.\r | |
600 | \r | |
601 | @param Form The form which contains this Expression.\r | |
602 | @param RuleId Id of this Expression.\r | |
603 | \r | |
604 | @retval Pointer The Expression.\r | |
605 | @retval NULL Specified Expression not found in the form.\r | |
606 | \r | |
607 | **/\r | |
608 | FORM_EXPRESSION *\r | |
609 | RuleIdToExpression (\r | |
610 | IN FORM_BROWSER_FORM *Form,\r | |
611 | IN UINT8 RuleId\r | |
612 | )\r | |
613 | {\r | |
614 | LIST_ENTRY *Link;\r | |
615 | FORM_EXPRESSION *Expression;\r | |
616 | \r | |
617 | Link = GetFirstNode (&Form->ExpressionListHead);\r | |
618 | while (!IsNull (&Form->ExpressionListHead, Link)) {\r | |
619 | Expression = FORM_EXPRESSION_FROM_LINK (Link);\r | |
620 | \r | |
621 | if (Expression->Type == EFI_HII_EXPRESSION_RULE && Expression->RuleId == RuleId) {\r | |
622 | return Expression;\r | |
623 | }\r | |
624 | \r | |
625 | Link = GetNextNode (&Form->ExpressionListHead, Link);\r | |
626 | }\r | |
627 | \r | |
628 | return NULL;\r | |
629 | }\r | |
630 | \r | |
631 | \r | |
632 | /**\r | |
633 | Locate the Unicode Collation Protocol interface for later use.\r | |
634 | \r | |
635 | @retval EFI_SUCCESS Protocol interface initialize success.\r | |
636 | @retval Other Protocol interface initialize failed.\r | |
637 | \r | |
638 | **/\r | |
639 | EFI_STATUS\r | |
640 | InitializeUnicodeCollationProtocol (\r | |
641 | VOID\r | |
642 | )\r | |
643 | {\r | |
644 | EFI_STATUS Status;\r | |
645 | \r | |
646 | if (mUnicodeCollation != NULL) {\r | |
647 | return EFI_SUCCESS;\r | |
648 | }\r | |
649 | \r | |
650 | //\r | |
651 | // BUGBUG: Proper impelmentation is to locate all Unicode Collation Protocol\r | |
652 | // instances first and then select one which support English language.\r | |
653 | // Current implementation just pick the first instance.\r | |
654 | //\r | |
655 | Status = gBS->LocateProtocol (\r | |
656 | &gEfiUnicodeCollation2ProtocolGuid,\r | |
657 | NULL,\r | |
658 | (VOID **) &mUnicodeCollation\r | |
659 | );\r | |
660 | return Status;\r | |
661 | }\r | |
662 | \r | |
663 | /**\r | |
664 | Convert the input Unicode character to upper.\r | |
665 | \r | |
666 | @param String Th Unicode character to be converted.\r | |
667 | \r | |
668 | **/\r | |
669 | VOID\r | |
670 | IfrStrToUpper (\r | |
8b0fc5c1 | 671 | IN CHAR16 *String\r |
7936fb6a | 672 | )\r |
673 | {\r | |
674 | while (*String != 0) {\r | |
675 | if ((*String >= 'a') && (*String <= 'z')) {\r | |
676 | *String = (UINT16) ((*String) & ((UINT16) ~0x20));\r | |
677 | }\r | |
678 | String++;\r | |
679 | }\r | |
680 | }\r | |
681 | \r | |
682 | \r | |
683 | /**\r | |
684 | Evaluate opcode EFI_IFR_TO_STRING.\r | |
685 | \r | |
686 | @param FormSet Formset which contains this opcode.\r | |
687 | @param Format String format in EFI_IFR_TO_STRING.\r | |
688 | @param Result Evaluation result for this opcode.\r | |
689 | \r | |
690 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
691 | @retval Other Opcode evaluation failed.\r | |
692 | \r | |
693 | **/\r | |
694 | EFI_STATUS\r | |
695 | IfrToString (\r | |
696 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
697 | IN UINT8 Format,\r | |
698 | OUT EFI_HII_VALUE *Result\r | |
699 | )\r | |
700 | {\r | |
701 | EFI_STATUS Status;\r | |
702 | EFI_HII_VALUE Value;\r | |
703 | CHAR16 *String;\r | |
704 | CHAR16 *PrintFormat;\r | |
705 | CHAR16 Buffer[MAXIMUM_VALUE_CHARACTERS];\r | |
706 | UINTN BufferSize;\r | |
707 | \r | |
708 | Status = PopExpression (&Value);\r | |
709 | if (EFI_ERROR (Status)) {\r | |
710 | return Status;\r | |
711 | }\r | |
712 | \r | |
713 | switch (Value.Type) {\r | |
714 | case EFI_IFR_TYPE_NUM_SIZE_8:\r | |
715 | case EFI_IFR_TYPE_NUM_SIZE_16:\r | |
716 | case EFI_IFR_TYPE_NUM_SIZE_32:\r | |
717 | case EFI_IFR_TYPE_NUM_SIZE_64:\r | |
718 | BufferSize = MAXIMUM_VALUE_CHARACTERS * sizeof (CHAR16);\r | |
719 | switch (Format) {\r | |
720 | case EFI_IFR_STRING_UNSIGNED_DEC:\r | |
721 | case EFI_IFR_STRING_SIGNED_DEC:\r | |
722 | PrintFormat = L"%ld";\r | |
723 | break;\r | |
724 | \r | |
725 | case EFI_IFR_STRING_LOWERCASE_HEX:\r | |
726 | PrintFormat = L"%lx";\r | |
727 | break;\r | |
728 | \r | |
729 | case EFI_IFR_STRING_UPPERCASE_HEX:\r | |
730 | PrintFormat = L"%lX";\r | |
731 | break;\r | |
732 | \r | |
733 | default:\r | |
734 | return EFI_UNSUPPORTED;\r | |
735 | }\r | |
736 | UnicodeSPrint (Buffer, BufferSize, PrintFormat, Value.Value.u64);\r | |
737 | String = Buffer;\r | |
738 | break;\r | |
739 | \r | |
740 | case EFI_IFR_TYPE_STRING:\r | |
741 | CopyMem (Result, &Value, sizeof (EFI_HII_VALUE));\r | |
742 | return EFI_SUCCESS;\r | |
743 | \r | |
744 | case EFI_IFR_TYPE_BOOLEAN:\r | |
745 | String = (Value.Value.b) ? L"True" : L"False";\r | |
746 | break;\r | |
747 | \r | |
748 | default:\r | |
749 | return EFI_UNSUPPORTED;\r | |
750 | }\r | |
751 | \r | |
752 | Result->Type = EFI_IFR_TYPE_STRING;\r | |
753 | Result->Value.string = NewString (String, FormSet->HiiHandle);\r | |
754 | return EFI_SUCCESS;\r | |
755 | }\r | |
756 | \r | |
757 | \r | |
758 | /**\r | |
759 | Evaluate opcode EFI_IFR_TO_UINT.\r | |
760 | \r | |
761 | @param FormSet Formset which contains this opcode.\r | |
762 | @param Result Evaluation result for this opcode.\r | |
763 | \r | |
764 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
765 | @retval Other Opcode evaluation failed.\r | |
766 | \r | |
767 | **/\r | |
768 | EFI_STATUS\r | |
769 | IfrToUint (\r | |
770 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
771 | OUT EFI_HII_VALUE *Result\r | |
772 | )\r | |
773 | {\r | |
774 | EFI_STATUS Status;\r | |
775 | EFI_HII_VALUE Value;\r | |
776 | CHAR16 *String;\r | |
777 | CHAR16 *StringPtr;\r | |
7936fb6a | 778 | \r |
779 | Status = PopExpression (&Value);\r | |
780 | if (EFI_ERROR (Status)) {\r | |
781 | return Status;\r | |
782 | }\r | |
783 | \r | |
784 | if (Value.Type >= EFI_IFR_TYPE_OTHER) {\r | |
785 | return EFI_UNSUPPORTED;\r | |
786 | }\r | |
787 | \r | |
788 | Status = EFI_SUCCESS;\r | |
789 | if (Value.Type == EFI_IFR_TYPE_STRING) {\r | |
790 | String = GetToken (Value.Value.string, FormSet->HiiHandle);\r | |
791 | if (String == NULL) {\r | |
792 | return EFI_NOT_FOUND;\r | |
793 | }\r | |
8b0fc5c1 | 794 | \r |
7936fb6a | 795 | IfrStrToUpper (String);\r |
796 | StringPtr = StrStr (String, L"0X");\r | |
797 | if (StringPtr != NULL) {\r | |
798 | //\r | |
799 | // Hex string\r | |
800 | //\r | |
ac7e320c | 801 | Result->Value.u64 = StrHexToUint64 (String);\r |
7936fb6a | 802 | } else {\r |
803 | //\r | |
ac7e320c | 804 | // decimal string\r |
7936fb6a | 805 | //\r |
ac7e320c | 806 | Result->Value.u64 = StrDecimalToUint64 (String);\r |
7936fb6a | 807 | }\r |
f4113e1f | 808 | FreePool (String);\r |
7936fb6a | 809 | } else {\r |
810 | CopyMem (Result, &Value, sizeof (EFI_HII_VALUE));\r | |
811 | }\r | |
812 | \r | |
813 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
814 | return Status;\r | |
815 | }\r | |
816 | \r | |
817 | \r | |
818 | /**\r | |
819 | Evaluate opcode EFI_IFR_CATENATE.\r | |
820 | \r | |
821 | @param FormSet Formset which contains this opcode.\r | |
822 | @param Result Evaluation result for this opcode.\r | |
823 | \r | |
824 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
825 | @retval Other Opcode evaluation failed.\r | |
826 | \r | |
827 | **/\r | |
828 | EFI_STATUS\r | |
829 | IfrCatenate (\r | |
830 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
831 | OUT EFI_HII_VALUE *Result\r | |
832 | )\r | |
833 | {\r | |
834 | EFI_STATUS Status;\r | |
835 | EFI_HII_VALUE Value;\r | |
836 | CHAR16 *String[2];\r | |
837 | UINTN Index;\r | |
838 | CHAR16 *StringPtr;\r | |
839 | UINTN Size;\r | |
840 | \r | |
841 | //\r | |
842 | // String[0] - The second string\r | |
843 | // String[1] - The first string\r | |
844 | //\r | |
845 | String[0] = NULL;\r | |
846 | String[1] = NULL;\r | |
847 | StringPtr = NULL;\r | |
848 | Status = EFI_SUCCESS;\r | |
849 | \r | |
850 | for (Index = 0; Index < 2; Index++) {\r | |
851 | Status = PopExpression (&Value);\r | |
852 | if (EFI_ERROR (Status)) {\r | |
853 | goto Done;\r | |
854 | }\r | |
855 | \r | |
856 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r | |
857 | Status = EFI_UNSUPPORTED;\r | |
858 | goto Done;\r | |
859 | }\r | |
860 | \r | |
861 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r | |
d0720b57 | 862 | if (String[Index] == NULL) {\r |
7936fb6a | 863 | Status = EFI_NOT_FOUND;\r |
864 | goto Done;\r | |
865 | }\r | |
866 | }\r | |
867 | \r | |
868 | Size = StrSize (String[0]);\r | |
869 | StringPtr= AllocatePool (StrSize (String[1]) + Size);\r | |
870 | ASSERT (StringPtr != NULL);\r | |
871 | StrCpy (StringPtr, String[1]);\r | |
872 | StrCat (StringPtr, String[0]);\r | |
873 | \r | |
874 | Result->Type = EFI_IFR_TYPE_STRING;\r | |
875 | Result->Value.string = NewString (StringPtr, FormSet->HiiHandle);\r | |
876 | \r | |
877 | Done:\r | |
676df92c | 878 | if (String[0] != NULL) {\r |
879 | FreePool (String[0]);\r | |
880 | }\r | |
881 | if (String[1] != NULL) {\r | |
882 | FreePool (String[1]);\r | |
8b0fc5c1 | 883 | }\r |
676df92c | 884 | if (StringPtr != NULL) {\r |
885 | FreePool (StringPtr);\r | |
886 | }\r | |
7936fb6a | 887 | \r |
888 | return Status;\r | |
889 | }\r | |
890 | \r | |
891 | \r | |
892 | /**\r | |
893 | Evaluate opcode EFI_IFR_MATCH.\r | |
894 | \r | |
895 | @param FormSet Formset which contains this opcode.\r | |
896 | @param Result Evaluation result for this opcode.\r | |
897 | \r | |
898 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
899 | @retval Other Opcode evaluation failed.\r | |
900 | \r | |
901 | **/\r | |
902 | EFI_STATUS\r | |
903 | IfrMatch (\r | |
904 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
905 | OUT EFI_HII_VALUE *Result\r | |
906 | )\r | |
907 | {\r | |
908 | EFI_STATUS Status;\r | |
909 | EFI_HII_VALUE Value;\r | |
910 | CHAR16 *String[2];\r | |
911 | UINTN Index;\r | |
912 | \r | |
913 | //\r | |
914 | // String[0] - The string to search\r | |
915 | // String[1] - pattern\r | |
916 | //\r | |
917 | String[0] = NULL;\r | |
918 | String[1] = NULL;\r | |
919 | Status = EFI_SUCCESS;\r | |
920 | for (Index = 0; Index < 2; Index++) {\r | |
921 | Status = PopExpression (&Value);\r | |
922 | if (EFI_ERROR (Status)) {\r | |
923 | goto Done;\r | |
924 | }\r | |
925 | \r | |
926 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r | |
927 | Status = EFI_UNSUPPORTED;\r | |
928 | goto Done;\r | |
929 | }\r | |
930 | \r | |
931 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r | |
bc166db3 | 932 | if (String [Index] == NULL) {\r |
7936fb6a | 933 | Status = EFI_NOT_FOUND;\r |
934 | goto Done;\r | |
935 | }\r | |
936 | }\r | |
937 | \r | |
938 | Result->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
939 | Result->Value.b = mUnicodeCollation->MetaiMatch (mUnicodeCollation, String[0], String[1]);\r | |
940 | \r | |
941 | Done:\r | |
676df92c | 942 | if (String[0] != NULL) {\r |
943 | FreePool (String[0]);\r | |
944 | }\r | |
945 | if (String[1] != NULL) {\r | |
946 | FreePool (String[1]);\r | |
8b0fc5c1 | 947 | }\r |
7936fb6a | 948 | \r |
949 | return Status;\r | |
950 | }\r | |
951 | \r | |
952 | \r | |
953 | /**\r | |
954 | Evaluate opcode EFI_IFR_FIND.\r | |
955 | \r | |
956 | @param FormSet Formset which contains this opcode.\r | |
957 | @param Format Case sensitive or insensitive.\r | |
958 | @param Result Evaluation result for this opcode.\r | |
959 | \r | |
960 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
961 | @retval Other Opcode evaluation failed.\r | |
962 | \r | |
963 | **/\r | |
964 | EFI_STATUS\r | |
965 | IfrFind (\r | |
966 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
967 | IN UINT8 Format,\r | |
968 | OUT EFI_HII_VALUE *Result\r | |
969 | )\r | |
970 | {\r | |
971 | EFI_STATUS Status;\r | |
972 | EFI_HII_VALUE Value;\r | |
973 | CHAR16 *String[2];\r | |
974 | UINTN Base;\r | |
975 | CHAR16 *StringPtr;\r | |
976 | UINTN Index;\r | |
977 | \r | |
978 | if (Format > EFI_IFR_FF_CASE_INSENSITIVE) {\r | |
979 | return EFI_UNSUPPORTED;\r | |
980 | }\r | |
981 | \r | |
982 | Status = PopExpression (&Value);\r | |
983 | if (EFI_ERROR (Status)) {\r | |
984 | return Status;\r | |
985 | }\r | |
986 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
987 | return EFI_UNSUPPORTED;\r | |
988 | }\r | |
989 | Base = (UINTN) Value.Value.u64;\r | |
990 | \r | |
991 | //\r | |
992 | // String[0] - sub-string\r | |
993 | // String[1] - The string to search\r | |
994 | //\r | |
995 | String[0] = NULL;\r | |
996 | String[1] = NULL;\r | |
997 | for (Index = 0; Index < 2; Index++) {\r | |
998 | Status = PopExpression (&Value);\r | |
999 | if (EFI_ERROR (Status)) {\r | |
1000 | goto Done;\r | |
1001 | }\r | |
1002 | \r | |
1003 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r | |
1004 | Status = EFI_UNSUPPORTED;\r | |
1005 | goto Done;\r | |
1006 | }\r | |
1007 | \r | |
1008 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r | |
d0720b57 | 1009 | if (String[Index] == NULL) {\r |
7936fb6a | 1010 | Status = EFI_NOT_FOUND;\r |
1011 | goto Done;\r | |
1012 | }\r | |
1013 | \r | |
1014 | if (Format == EFI_IFR_FF_CASE_INSENSITIVE) {\r | |
1015 | //\r | |
1016 | // Case insensitive, convert both string to upper case\r | |
1017 | //\r | |
1018 | IfrStrToUpper (String[Index]);\r | |
1019 | }\r | |
1020 | }\r | |
1021 | \r | |
1022 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
1023 | if (Base >= StrLen (String[1])) {\r | |
1024 | Result->Value.u64 = 0xFFFFFFFFFFFFFFFFULL;\r | |
1025 | } else {\r | |
1026 | StringPtr = StrStr (String[1] + Base, String[0]);\r | |
1027 | Result->Value.u64 = (StringPtr == NULL) ? 0xFFFFFFFFFFFFFFFFULL : (StringPtr - String[1]);\r | |
1028 | }\r | |
1029 | \r | |
1030 | Done:\r | |
676df92c | 1031 | if (String[0] != NULL) {\r |
1032 | FreePool (String[0]);\r | |
1033 | }\r | |
1034 | if (String[1] != NULL) {\r | |
1035 | FreePool (String[1]);\r | |
8b0fc5c1 | 1036 | }\r |
7936fb6a | 1037 | \r |
1038 | return Status;\r | |
1039 | }\r | |
1040 | \r | |
1041 | \r | |
1042 | /**\r | |
1043 | Evaluate opcode EFI_IFR_MID.\r | |
1044 | \r | |
1045 | @param FormSet Formset which contains this opcode.\r | |
1046 | @param Result Evaluation result for this opcode.\r | |
1047 | \r | |
1048 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1049 | @retval Other Opcode evaluation failed.\r | |
1050 | \r | |
1051 | **/\r | |
1052 | EFI_STATUS\r | |
1053 | IfrMid (\r | |
1054 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1055 | OUT EFI_HII_VALUE *Result\r | |
1056 | )\r | |
1057 | {\r | |
1058 | EFI_STATUS Status;\r | |
1059 | EFI_HII_VALUE Value;\r | |
1060 | CHAR16 *String;\r | |
1061 | UINTN Base;\r | |
1062 | UINTN Length;\r | |
1063 | CHAR16 *SubString;\r | |
1064 | \r | |
1065 | Status = PopExpression (&Value);\r | |
1066 | if (EFI_ERROR (Status)) {\r | |
1067 | return Status;\r | |
1068 | }\r | |
1069 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1070 | return EFI_UNSUPPORTED;\r | |
1071 | }\r | |
1072 | Length = (UINTN) Value.Value.u64;\r | |
1073 | \r | |
1074 | Status = PopExpression (&Value);\r | |
1075 | if (EFI_ERROR (Status)) {\r | |
1076 | return Status;\r | |
1077 | }\r | |
1078 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1079 | return EFI_UNSUPPORTED;\r | |
1080 | }\r | |
1081 | Base = (UINTN) Value.Value.u64;\r | |
1082 | \r | |
1083 | Status = PopExpression (&Value);\r | |
1084 | if (EFI_ERROR (Status)) {\r | |
1085 | return Status;\r | |
1086 | }\r | |
1087 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r | |
1088 | return EFI_UNSUPPORTED;\r | |
1089 | }\r | |
1090 | String = GetToken (Value.Value.string, FormSet->HiiHandle);\r | |
1091 | if (String == NULL) {\r | |
1092 | return EFI_NOT_FOUND;\r | |
1093 | }\r | |
1094 | \r | |
1095 | if (Length == 0 || Base >= StrLen (String)) {\r | |
1096 | SubString = gEmptyString;\r | |
1097 | } else {\r | |
1098 | SubString = String + Base;\r | |
1099 | if ((Base + Length) < StrLen (String)) {\r | |
1100 | SubString[Length] = L'\0';\r | |
1101 | }\r | |
1102 | }\r | |
1103 | \r | |
1104 | Result->Type = EFI_IFR_TYPE_STRING;\r | |
1105 | Result->Value.string = NewString (SubString, FormSet->HiiHandle);\r | |
1106 | \r | |
f4113e1f | 1107 | FreePool (String);\r |
7936fb6a | 1108 | \r |
1109 | return Status;\r | |
1110 | }\r | |
1111 | \r | |
1112 | \r | |
1113 | /**\r | |
1114 | Evaluate opcode EFI_IFR_TOKEN.\r | |
1115 | \r | |
1116 | @param FormSet Formset which contains this opcode.\r | |
1117 | @param Result Evaluation result for this opcode.\r | |
1118 | \r | |
1119 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1120 | @retval Other Opcode evaluation failed.\r | |
1121 | \r | |
1122 | **/\r | |
1123 | EFI_STATUS\r | |
1124 | IfrToken (\r | |
1125 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1126 | OUT EFI_HII_VALUE *Result\r | |
1127 | )\r | |
1128 | {\r | |
1129 | EFI_STATUS Status;\r | |
1130 | EFI_HII_VALUE Value;\r | |
1131 | CHAR16 *String[2];\r | |
1132 | UINTN Count;\r | |
1133 | CHAR16 *Delimiter;\r | |
1134 | CHAR16 *SubString;\r | |
1135 | CHAR16 *StringPtr;\r | |
1136 | UINTN Index;\r | |
1137 | \r | |
1138 | Status = PopExpression (&Value);\r | |
1139 | if (EFI_ERROR (Status)) {\r | |
1140 | return Status;\r | |
1141 | }\r | |
1142 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1143 | return EFI_UNSUPPORTED;\r | |
1144 | }\r | |
1145 | Count = (UINTN) Value.Value.u64;\r | |
1146 | \r | |
1147 | //\r | |
1148 | // String[0] - Delimiter\r | |
1149 | // String[1] - The string to search\r | |
1150 | //\r | |
1151 | String[0] = NULL;\r | |
1152 | String[1] = NULL;\r | |
1153 | for (Index = 0; Index < 2; Index++) {\r | |
1154 | Status = PopExpression (&Value);\r | |
1155 | if (EFI_ERROR (Status)) {\r | |
1156 | goto Done;\r | |
1157 | }\r | |
1158 | \r | |
1159 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r | |
1160 | Status = EFI_UNSUPPORTED;\r | |
1161 | goto Done;\r | |
1162 | }\r | |
1163 | \r | |
1164 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r | |
d0720b57 | 1165 | if (String[Index] == NULL) {\r |
7936fb6a | 1166 | Status = EFI_NOT_FOUND;\r |
1167 | goto Done;\r | |
1168 | }\r | |
1169 | }\r | |
1170 | \r | |
1171 | Delimiter = String[0];\r | |
1172 | SubString = String[1];\r | |
1173 | while (Count > 0) {\r | |
1174 | SubString = StrStr (SubString, Delimiter);\r | |
1175 | if (SubString != NULL) {\r | |
1176 | //\r | |
1177 | // Skip over the delimiter\r | |
1178 | //\r | |
1179 | SubString = SubString + StrLen (Delimiter);\r | |
1180 | } else {\r | |
1181 | break;\r | |
1182 | }\r | |
1183 | Count--;\r | |
1184 | }\r | |
1185 | \r | |
1186 | if (SubString == NULL) {\r | |
1187 | //\r | |
1188 | // nth delimited sub-string not found, push an empty string\r | |
1189 | //\r | |
1190 | SubString = gEmptyString;\r | |
1191 | } else {\r | |
1192 | //\r | |
1193 | // Put a NULL terminator for nth delimited sub-string\r | |
1194 | //\r | |
1195 | StringPtr = StrStr (SubString, Delimiter);\r | |
1196 | if (StringPtr != NULL) {\r | |
1197 | *StringPtr = L'\0';\r | |
1198 | }\r | |
1199 | }\r | |
1200 | \r | |
1201 | Result->Type = EFI_IFR_TYPE_STRING;\r | |
1202 | Result->Value.string = NewString (SubString, FormSet->HiiHandle);\r | |
1203 | \r | |
1204 | Done:\r | |
676df92c | 1205 | if (String[0] != NULL) {\r |
1206 | FreePool (String[0]);\r | |
1207 | }\r | |
1208 | if (String[1] != NULL) {\r | |
1209 | FreePool (String[1]);\r | |
8b0fc5c1 | 1210 | }\r |
7936fb6a | 1211 | \r |
1212 | return Status;\r | |
1213 | }\r | |
1214 | \r | |
1215 | \r | |
1216 | /**\r | |
1217 | Evaluate opcode EFI_IFR_SPAN.\r | |
1218 | \r | |
1219 | @param FormSet Formset which contains this opcode.\r | |
1220 | @param Flags FIRST_MATCHING or FIRST_NON_MATCHING.\r | |
1221 | @param Result Evaluation result for this opcode.\r | |
1222 | \r | |
1223 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1224 | @retval Other Opcode evaluation failed.\r | |
1225 | \r | |
1226 | **/\r | |
1227 | EFI_STATUS\r | |
1228 | IfrSpan (\r | |
1229 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1230 | IN UINT8 Flags,\r | |
1231 | OUT EFI_HII_VALUE *Result\r | |
1232 | )\r | |
1233 | {\r | |
1234 | EFI_STATUS Status;\r | |
1235 | EFI_HII_VALUE Value;\r | |
1236 | CHAR16 *String[2];\r | |
1237 | CHAR16 *Charset;\r | |
1238 | UINTN Base;\r | |
1239 | UINTN Index;\r | |
1240 | CHAR16 *StringPtr;\r | |
1241 | BOOLEAN Found;\r | |
1242 | \r | |
1243 | Status = PopExpression (&Value);\r | |
1244 | if (EFI_ERROR (Status)) {\r | |
1245 | return Status;\r | |
1246 | }\r | |
1247 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1248 | return EFI_UNSUPPORTED;\r | |
1249 | }\r | |
1250 | Base = (UINTN) Value.Value.u64;\r | |
1251 | \r | |
1252 | //\r | |
1253 | // String[0] - Charset\r | |
1254 | // String[1] - The string to search\r | |
1255 | //\r | |
1256 | String[0] = NULL;\r | |
1257 | String[1] = NULL;\r | |
1258 | for (Index = 0; Index < 2; Index++) {\r | |
1259 | Status = PopExpression (&Value);\r | |
1260 | if (EFI_ERROR (Status)) {\r | |
1261 | goto Done;\r | |
1262 | }\r | |
1263 | \r | |
1264 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r | |
1265 | Status = EFI_UNSUPPORTED;\r | |
1266 | goto Done;\r | |
1267 | }\r | |
1268 | \r | |
1269 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r | |
bc166db3 | 1270 | if (String [Index] == NULL) {\r |
7936fb6a | 1271 | Status = EFI_NOT_FOUND;\r |
1272 | goto Done;\r | |
1273 | }\r | |
1274 | }\r | |
1275 | \r | |
1276 | if (Base >= StrLen (String[1])) {\r | |
1277 | Status = EFI_UNSUPPORTED;\r | |
1278 | goto Done;\r | |
1279 | }\r | |
1280 | \r | |
1281 | Found = FALSE;\r | |
1282 | StringPtr = String[1] + Base;\r | |
1283 | Charset = String[0];\r | |
1284 | while (*StringPtr != 0 && !Found) {\r | |
1285 | Index = 0;\r | |
1286 | while (Charset[Index] != 0) {\r | |
1287 | if (*StringPtr >= Charset[Index] && *StringPtr <= Charset[Index + 1]) {\r | |
1288 | if (Flags == EFI_IFR_FLAGS_FIRST_MATCHING) {\r | |
1289 | Found = TRUE;\r | |
1290 | break;\r | |
1291 | }\r | |
1292 | } else {\r | |
1293 | if (Flags == EFI_IFR_FLAGS_FIRST_NON_MATCHING) {\r | |
1294 | Found = TRUE;\r | |
1295 | break;\r | |
1296 | }\r | |
1297 | }\r | |
1298 | //\r | |
1299 | // Skip characters pair representing low-end of a range and high-end of a range\r | |
1300 | //\r | |
1301 | Index += 2;\r | |
1302 | }\r | |
1303 | \r | |
1304 | if (!Found) {\r | |
1305 | StringPtr++;\r | |
1306 | }\r | |
1307 | }\r | |
1308 | \r | |
1309 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
1310 | Result->Value.u64 = StringPtr - String[1];\r | |
1311 | \r | |
1312 | Done:\r | |
676df92c | 1313 | if (String[0] != NULL) {\r |
1314 | FreePool (String[0]);\r | |
1315 | }\r | |
1316 | if (String[1] != NULL) {\r | |
1317 | FreePool (String[1]);\r | |
8b0fc5c1 | 1318 | }\r |
7936fb6a | 1319 | \r |
1320 | return Status;\r | |
1321 | }\r | |
1322 | \r | |
1323 | \r | |
1324 | /**\r | |
1325 | Zero extend integer/boolean/date/time to UINT64 for comparing.\r | |
1326 | \r | |
1327 | @param Value HII Value to be converted.\r | |
1328 | \r | |
1329 | **/\r | |
1330 | VOID\r | |
1331 | ExtendValueToU64 (\r | |
1332 | IN EFI_HII_VALUE *Value\r | |
1333 | )\r | |
1334 | {\r | |
1335 | UINT64 Temp;\r | |
1336 | \r | |
1337 | Temp = 0;\r | |
1338 | switch (Value->Type) {\r | |
1339 | case EFI_IFR_TYPE_NUM_SIZE_8:\r | |
1340 | Temp = Value->Value.u8;\r | |
1341 | break;\r | |
1342 | \r | |
1343 | case EFI_IFR_TYPE_NUM_SIZE_16:\r | |
1344 | Temp = Value->Value.u16;\r | |
1345 | break;\r | |
1346 | \r | |
1347 | case EFI_IFR_TYPE_NUM_SIZE_32:\r | |
1348 | Temp = Value->Value.u32;\r | |
1349 | break;\r | |
1350 | \r | |
1351 | case EFI_IFR_TYPE_BOOLEAN:\r | |
1352 | Temp = Value->Value.b;\r | |
1353 | break;\r | |
1354 | \r | |
1355 | case EFI_IFR_TYPE_TIME:\r | |
1356 | Temp = Value->Value.u32 & 0xffffff;\r | |
1357 | break;\r | |
1358 | \r | |
1359 | case EFI_IFR_TYPE_DATE:\r | |
1360 | Temp = Value->Value.u32;\r | |
1361 | break;\r | |
1362 | \r | |
1363 | default:\r | |
1364 | return;\r | |
1365 | }\r | |
1366 | \r | |
1367 | Value->Value.u64 = Temp;\r | |
1368 | }\r | |
1369 | \r | |
1370 | \r | |
1371 | /**\r | |
1372 | Compare two Hii value.\r | |
1373 | \r | |
1374 | @param Value1 Expression value to compare on left-hand.\r | |
1375 | @param Value2 Expression value to compare on right-hand.\r | |
1376 | @param HiiHandle Only required for string compare.\r | |
1377 | \r | |
2573712e LG |
1378 | @retval EFI_INVALID_PARAMETER Could not perform compare on two values.\r |
1379 | @retval 0 Two operators equal.\r | |
7936fb6a | 1380 | @return Positive value if Value1 is greater than Value2.\r |
1381 | @retval Negative value if Value1 is less than Value2.\r | |
1382 | \r | |
1383 | **/\r | |
1384 | INTN\r | |
1385 | CompareHiiValue (\r | |
1386 | IN EFI_HII_VALUE *Value1,\r | |
1387 | IN EFI_HII_VALUE *Value2,\r | |
1388 | IN EFI_HII_HANDLE HiiHandle OPTIONAL\r | |
1389 | )\r | |
1390 | {\r | |
1391 | INTN Result;\r | |
1392 | INT64 Temp64;\r | |
1393 | CHAR16 *Str1;\r | |
1394 | CHAR16 *Str2;\r | |
1395 | \r | |
1396 | if (Value1->Type >= EFI_IFR_TYPE_OTHER || Value2->Type >= EFI_IFR_TYPE_OTHER ) {\r | |
1397 | return EFI_INVALID_PARAMETER;\r | |
1398 | }\r | |
1399 | \r | |
1400 | if (Value1->Type == EFI_IFR_TYPE_STRING || Value2->Type == EFI_IFR_TYPE_STRING ) {\r | |
1401 | if (Value1->Type != Value2->Type) {\r | |
1402 | //\r | |
1403 | // Both Operator should be type of String\r | |
1404 | //\r | |
1405 | return EFI_INVALID_PARAMETER;\r | |
1406 | }\r | |
1407 | \r | |
1408 | if (Value1->Value.string == 0 || Value2->Value.string == 0) {\r | |
1409 | //\r | |
1410 | // StringId 0 is reserved\r | |
1411 | //\r | |
1412 | return EFI_INVALID_PARAMETER;\r | |
1413 | }\r | |
1414 | \r | |
1415 | if (Value1->Value.string == Value2->Value.string) {\r | |
1416 | return 0;\r | |
1417 | }\r | |
1418 | \r | |
1419 | Str1 = GetToken (Value1->Value.string, HiiHandle);\r | |
1420 | if (Str1 == NULL) {\r | |
1421 | //\r | |
1422 | // String not found\r | |
1423 | //\r | |
1424 | return EFI_INVALID_PARAMETER;\r | |
1425 | }\r | |
1426 | \r | |
1427 | Str2 = GetToken (Value2->Value.string, HiiHandle);\r | |
1428 | if (Str2 == NULL) {\r | |
f4113e1f | 1429 | FreePool (Str1);\r |
7936fb6a | 1430 | return EFI_INVALID_PARAMETER;\r |
1431 | }\r | |
1432 | \r | |
1433 | Result = StrCmp (Str1, Str2);\r | |
1434 | \r | |
f4113e1f | 1435 | FreePool (Str1);\r |
1436 | FreePool (Str2);\r | |
7936fb6a | 1437 | \r |
1438 | return Result;\r | |
1439 | }\r | |
1440 | \r | |
1441 | //\r | |
1442 | // Take remain types(integer, boolean, date/time) as integer\r | |
1443 | //\r | |
1444 | Temp64 = (INT64) (Value1->Value.u64 - Value2->Value.u64);\r | |
1445 | if (Temp64 > 0) {\r | |
1446 | Result = 1;\r | |
1447 | } else if (Temp64 < 0) {\r | |
1448 | Result = -1;\r | |
1449 | } else {\r | |
1450 | Result = 0;\r | |
1451 | }\r | |
1452 | \r | |
1453 | return Result;\r | |
1454 | }\r | |
1455 | \r | |
cbf73e50 | 1456 | /**\r |
1457 | Check if current user has the privilege specified by the permissions GUID.\r | |
1458 | \r | |
1459 | @param[in] Guid A GUID specifying setup access permissions.\r | |
1460 | \r | |
1461 | @retval TRUE Current user has the privilege.\r | |
1462 | @retval FALSE Current user does not have the privilege.\r | |
1463 | **/\r | |
1464 | BOOLEAN\r | |
1465 | CheckUserPrivilege (\r | |
1466 | IN EFI_GUID *Guid\r | |
1467 | )\r | |
1468 | {\r | |
1469 | EFI_STATUS Status;\r | |
1470 | EFI_USER_PROFILE_HANDLE UserProfileHandle;\r | |
1471 | EFI_USER_INFO_HANDLE UserInfoHandle;\r | |
1472 | EFI_USER_INFO *UserInfo;\r | |
1473 | EFI_GUID *UserPermissionsGuid;\r | |
1474 | UINTN UserInfoSize;\r | |
1475 | UINTN AccessControlDataSize;\r | |
1476 | EFI_USER_INFO_ACCESS_CONTROL *AccessControl;\r | |
1477 | UINTN RemainSize;\r | |
1478 | \r | |
1479 | if (mUserManager == NULL) {\r | |
1480 | Status = gBS->LocateProtocol (\r | |
1481 | &gEfiUserManagerProtocolGuid,\r | |
1482 | NULL,\r | |
1483 | (VOID **) &mUserManager\r | |
1484 | );\r | |
1485 | if (EFI_ERROR (Status)) {\r | |
1486 | ///\r | |
1487 | /// If the system does not support user management, then it is assumed that\r | |
1488 | /// all users have admin privilege and evaluation of each EFI_IFR_SECURITY\r | |
1489 | /// op-code is always TRUE.\r | |
1490 | ///\r | |
1491 | return TRUE;\r | |
1492 | }\r | |
1493 | }\r | |
1494 | \r | |
1495 | Status = mUserManager->Current (mUserManager, &UserProfileHandle);\r | |
1496 | ASSERT_EFI_ERROR (Status);\r | |
1497 | \r | |
1498 | ///\r | |
1499 | /// Enumerate all user information of the current user profile\r | |
1500 | /// to look for any EFI_USER_INFO_ACCESS_SETUP record.\r | |
1501 | ///\r | |
1502 | \r | |
1503 | for (UserInfoHandle = NULL;;) {\r | |
1504 | Status = mUserManager->GetNextInfo (mUserManager, UserProfileHandle, &UserInfoHandle);\r | |
1505 | if (EFI_ERROR (Status)) {\r | |
1506 | break;\r | |
1507 | }\r | |
1508 | \r | |
1509 | UserInfoSize = 0;\r | |
1510 | Status = mUserManager->GetInfo (mUserManager, UserProfileHandle, UserInfoHandle, NULL, &UserInfoSize);\r | |
1511 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1512 | continue;\r | |
1513 | }\r | |
1514 | \r | |
1515 | UserInfo = (EFI_USER_INFO *) AllocatePool (UserInfoSize);\r | |
1516 | if (UserInfo == NULL) {\r | |
1517 | break;\r | |
1518 | }\r | |
1519 | \r | |
1520 | Status = mUserManager->GetInfo (mUserManager, UserProfileHandle, UserInfoHandle, UserInfo, &UserInfoSize);\r | |
1521 | if (EFI_ERROR (Status) ||\r | |
1522 | UserInfo->InfoType != EFI_USER_INFO_ACCESS_POLICY_RECORD ||\r | |
1523 | UserInfo->InfoSize <= sizeof (EFI_USER_INFO)) {\r | |
1524 | FreePool (UserInfo);\r | |
1525 | continue;\r | |
1526 | }\r | |
1527 | \r | |
1528 | RemainSize = UserInfo->InfoSize - sizeof (EFI_USER_INFO);\r | |
1529 | AccessControl = (EFI_USER_INFO_ACCESS_CONTROL *)(UserInfo + 1);\r | |
1530 | while (RemainSize >= sizeof (EFI_USER_INFO_ACCESS_CONTROL)) {\r | |
3dd405be | 1531 | if (RemainSize < AccessControl->Size || AccessControl->Size < sizeof (EFI_USER_INFO_ACCESS_CONTROL)) {\r |
cbf73e50 | 1532 | break;\r |
1533 | }\r | |
1534 | if (AccessControl->Type == EFI_USER_INFO_ACCESS_SETUP) {\r | |
1535 | ///\r | |
1536 | /// Check if current user has the privilege specified by the permissions GUID.\r | |
1537 | ///\r | |
1538 | \r | |
1539 | UserPermissionsGuid = (EFI_GUID *)(AccessControl + 1);\r | |
1540 | AccessControlDataSize = AccessControl->Size - sizeof (EFI_USER_INFO_ACCESS_CONTROL);\r | |
1541 | while (AccessControlDataSize >= sizeof (EFI_GUID)) {\r | |
1542 | if (CompareGuid (Guid, UserPermissionsGuid)) {\r | |
1543 | FreePool (UserInfo);\r | |
1544 | return TRUE;\r | |
1545 | }\r | |
1546 | UserPermissionsGuid++;\r | |
1547 | AccessControlDataSize -= sizeof (EFI_GUID);\r | |
1548 | }\r | |
1549 | }\r | |
1550 | RemainSize -= AccessControl->Size;\r | |
1551 | AccessControl = (EFI_USER_INFO_ACCESS_CONTROL *)((UINT8 *)AccessControl + AccessControl->Size);\r | |
1552 | }\r | |
1553 | \r | |
1554 | FreePool (UserInfo);\r | |
1555 | }\r | |
1556 | return FALSE;\r | |
1557 | }\r | |
7936fb6a | 1558 | \r |
1559 | /**\r | |
bc166db3 | 1560 | Evaluate the result of a HII expression.\r |
1561 | \r | |
1562 | If Expression is NULL, then ASSERT.\r | |
7936fb6a | 1563 | \r |
1564 | @param FormSet FormSet associated with this expression.\r | |
1565 | @param Form Form associated with this expression.\r | |
1566 | @param Expression Expression to be evaluated.\r | |
1567 | \r | |
1568 | @retval EFI_SUCCESS The expression evaluated successfuly\r | |
1569 | @retval EFI_NOT_FOUND The Question which referenced by a QuestionId\r | |
1570 | could not be found.\r | |
1571 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r | |
1572 | stack.\r | |
1573 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r | |
1574 | @retval EFI_INVALID_PARAMETER Syntax error with the Expression\r | |
1575 | \r | |
1576 | **/\r | |
1577 | EFI_STATUS\r | |
1578 | EvaluateExpression (\r | |
1579 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1580 | IN FORM_BROWSER_FORM *Form,\r | |
1581 | IN OUT FORM_EXPRESSION *Expression\r | |
1582 | )\r | |
1583 | {\r | |
1584 | EFI_STATUS Status;\r | |
1585 | LIST_ENTRY *Link;\r | |
1586 | EXPRESSION_OPCODE *OpCode;\r | |
1587 | FORM_BROWSER_STATEMENT *Question;\r | |
1588 | FORM_BROWSER_STATEMENT *Question2;\r | |
1589 | UINT16 Index;\r | |
1590 | EFI_HII_VALUE Data1;\r | |
1591 | EFI_HII_VALUE Data2;\r | |
1592 | EFI_HII_VALUE Data3;\r | |
1593 | FORM_EXPRESSION *RuleExpression;\r | |
1594 | EFI_HII_VALUE *Value;\r | |
1595 | INTN Result;\r | |
1596 | CHAR16 *StrPtr;\r | |
2573712e | 1597 | CHAR16 *NameValue;\r |
7936fb6a | 1598 | UINT32 TempValue;\r |
2573712e LG |
1599 | LIST_ENTRY *SubExpressionLink;\r |
1600 | FORM_EXPRESSION *SubExpression;\r | |
1601 | UINTN StackOffset;\r | |
1602 | UINTN TempLength;\r | |
1603 | CHAR16 TempStr[5];\r | |
1604 | UINT8 DigitUint8;\r | |
1605 | UINT8 *TempBuffer;\r | |
1606 | EFI_TIME EfiTime;\r | |
7936fb6a | 1607 | \r |
1608 | //\r | |
2573712e | 1609 | // Save current stack offset.\r |
7936fb6a | 1610 | //\r |
2573712e | 1611 | StackOffset = SaveExpressionEvaluationStackOffset ();\r |
7936fb6a | 1612 | \r |
bc166db3 | 1613 | ASSERT (Expression != NULL);\r |
7936fb6a | 1614 | Expression->Result.Type = EFI_IFR_TYPE_OTHER;\r |
1615 | \r | |
1616 | Link = GetFirstNode (&Expression->OpCodeListHead);\r | |
1617 | while (!IsNull (&Expression->OpCodeListHead, Link)) {\r | |
1618 | OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);\r | |
1619 | \r | |
1620 | Link = GetNextNode (&Expression->OpCodeListHead, Link);\r | |
1621 | \r | |
1622 | ZeroMem (&Data1, sizeof (EFI_HII_VALUE));\r | |
1623 | ZeroMem (&Data2, sizeof (EFI_HII_VALUE));\r | |
1624 | ZeroMem (&Data3, sizeof (EFI_HII_VALUE));\r | |
1625 | \r | |
1626 | Value = &Data3;\r | |
1627 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
1628 | Status = EFI_SUCCESS;\r | |
1629 | \r | |
1630 | switch (OpCode->Operand) {\r | |
1631 | //\r | |
1632 | // Built-in functions\r | |
1633 | //\r | |
1634 | case EFI_IFR_EQ_ID_VAL_OP:\r | |
1635 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r | |
1636 | if (Question == NULL) {\r | |
2573712e LG |
1637 | Status = EFI_NOT_FOUND;\r |
1638 | goto Done;\r | |
7936fb6a | 1639 | }\r |
1640 | \r | |
1641 | Result = CompareHiiValue (&Question->HiiValue, &OpCode->Value, NULL);\r | |
1642 | if (Result == EFI_INVALID_PARAMETER) {\r | |
2573712e LG |
1643 | Status = EFI_INVALID_PARAMETER;\r |
1644 | goto Done;\r | |
7936fb6a | 1645 | }\r |
1646 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r | |
1647 | break;\r | |
1648 | \r | |
1649 | case EFI_IFR_EQ_ID_ID_OP:\r | |
1650 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r | |
1651 | if (Question == NULL) {\r | |
2573712e LG |
1652 | Status = EFI_NOT_FOUND;\r |
1653 | goto Done;\r | |
7936fb6a | 1654 | }\r |
1655 | \r | |
1656 | Question2 = IdToQuestion (FormSet, Form, OpCode->QuestionId2);\r | |
1657 | if (Question2 == NULL) {\r | |
2573712e LG |
1658 | Status = EFI_NOT_FOUND;\r |
1659 | goto Done;\r | |
7936fb6a | 1660 | }\r |
1661 | \r | |
1662 | Result = CompareHiiValue (&Question->HiiValue, &Question2->HiiValue, FormSet->HiiHandle);\r | |
1663 | if (Result == EFI_INVALID_PARAMETER) {\r | |
2573712e LG |
1664 | Status = EFI_INVALID_PARAMETER;\r |
1665 | goto Done;\r | |
7936fb6a | 1666 | }\r |
1667 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r | |
1668 | break;\r | |
1669 | \r | |
1670 | case EFI_IFR_EQ_ID_LIST_OP:\r | |
1671 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r | |
1672 | if (Question == NULL) {\r | |
2573712e LG |
1673 | Status = EFI_NOT_FOUND;\r |
1674 | goto Done;\r | |
7936fb6a | 1675 | }\r |
1676 | \r | |
1677 | Value->Value.b = FALSE;\r | |
1678 | for (Index =0; Index < OpCode->ListLength; Index++) {\r | |
1679 | if (Question->HiiValue.Value.u16 == OpCode->ValueList[Index]) {\r | |
1680 | Value->Value.b = TRUE;\r | |
1681 | break;\r | |
1682 | }\r | |
1683 | }\r | |
1684 | break;\r | |
1685 | \r | |
1686 | case EFI_IFR_DUP_OP:\r | |
1687 | Status = PopExpression (Value);\r | |
1688 | if (EFI_ERROR (Status)) {\r | |
2573712e | 1689 | goto Done;\r |
7936fb6a | 1690 | }\r |
1691 | \r | |
1692 | Status = PushExpression (Value);\r | |
1693 | break;\r | |
1694 | \r | |
1695 | case EFI_IFR_QUESTION_REF1_OP:\r | |
1696 | case EFI_IFR_THIS_OP:\r | |
1697 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r | |
1698 | if (Question == NULL) {\r | |
2573712e LG |
1699 | Status = EFI_NOT_FOUND;\r |
1700 | goto Done;\r | |
7936fb6a | 1701 | }\r |
1702 | \r | |
1703 | Value = &Question->HiiValue;\r | |
1704 | break;\r | |
1705 | \r | |
cbf73e50 | 1706 | case EFI_IFR_SECURITY_OP:\r |
1707 | Value->Value.b = CheckUserPrivilege (&OpCode->Guid);\r | |
1708 | break;\r | |
1709 | \r | |
2573712e LG |
1710 | case EFI_IFR_GET_OP:\r |
1711 | //\r | |
1712 | // Get Value from VarStore buffer, EFI VarStore, Name/Value VarStore.\r | |
1713 | //\r | |
1714 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1715 | Value->Value.u8 = 0;\r | |
1716 | if (OpCode->VarStorage != NULL) {\r | |
1717 | switch (OpCode->VarStorage->Type) {\r | |
1718 | case EFI_HII_VARSTORE_BUFFER:\r | |
1719 | //\r | |
1720 | // Get value from Edit Buffer\r | |
1721 | //\r | |
1722 | Value->Type = OpCode->ValueType;\r | |
1723 | CopyMem (&Value->Value, OpCode->VarStorage->EditBuffer + OpCode->VarStoreInfo.VarOffset, OpCode->ValueWidth);\r | |
1724 | break;\r | |
1725 | case EFI_HII_VARSTORE_NAME_VALUE:\r | |
1726 | if (OpCode->ValueType != EFI_IFR_TYPE_STRING) {\r | |
1727 | //\r | |
1728 | // Get value from string except for STRING value.\r | |
1729 | //\r | |
1730 | Status = GetValueByName (OpCode->VarStorage, OpCode->ValueName, &StrPtr);\r | |
1731 | if (!EFI_ERROR (Status)) {\r | |
771ececd | 1732 | ASSERT (StrPtr != NULL);\r |
2573712e LG |
1733 | TempLength = StrLen (StrPtr);\r |
1734 | if (OpCode->ValueWidth >= ((TempLength + 1) / 2)) {\r | |
1735 | Value->Type = OpCode->ValueType;\r | |
1736 | TempBuffer = (UINT8 *) &Value->Value;\r | |
1737 | ZeroMem (TempStr, sizeof (TempStr));\r | |
1738 | for (Index = 0; Index < TempLength; Index ++) {\r | |
1739 | TempStr[0] = StrPtr[TempLength - Index - 1];\r | |
1740 | DigitUint8 = (UINT8) StrHexToUint64 (TempStr);\r | |
1741 | if ((Index & 1) == 0) {\r | |
1742 | TempBuffer [Index/2] = DigitUint8;\r | |
1743 | } else {\r | |
771ececd | 1744 | TempBuffer [Index/2] = (UINT8) ((DigitUint8 << 4) + TempBuffer [Index/2]);\r |
2573712e LG |
1745 | }\r |
1746 | }\r | |
1747 | } \r | |
1748 | }\r | |
1749 | }\r | |
1750 | break;\r | |
1751 | case EFI_HII_VARSTORE_EFI_VARIABLE:\r | |
1752 | //\r | |
1753 | // Get value from variable.\r | |
1754 | //\r | |
1755 | TempLength = OpCode->ValueWidth;\r | |
1756 | Value->Type = OpCode->ValueType;\r | |
1757 | Status = gRT->GetVariable (\r | |
1758 | OpCode->ValueName,\r | |
1759 | &OpCode->VarStorage->Guid,\r | |
1760 | NULL,\r | |
1761 | &TempLength,\r | |
1762 | &Value->Value\r | |
1763 | );\r | |
1764 | if (EFI_ERROR (Status)) {\r | |
1765 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1766 | Value->Value.u8 = 0;\r | |
1767 | }\r | |
1768 | default:\r | |
1769 | //\r | |
1770 | // Not recognize storage.\r | |
1771 | //\r | |
1772 | Status = EFI_UNSUPPORTED;\r | |
1773 | goto Done;\r | |
1774 | }\r | |
1775 | } else {\r | |
1776 | //\r | |
1777 | // For Time/Date Data\r | |
1778 | //\r | |
1779 | if (OpCode->ValueType != EFI_IFR_TYPE_DATE && OpCode->ValueType != EFI_IFR_TYPE_TIME) {\r | |
1780 | //\r | |
1781 | // Only support Data/Time data when storage doesn't exist.\r | |
1782 | //\r | |
1783 | Status = EFI_UNSUPPORTED;\r | |
1784 | goto Done;\r | |
1785 | }\r | |
1786 | Status = gRT->GetTime (&EfiTime, NULL);\r | |
1787 | if (!EFI_ERROR (Status)) {\r | |
1788 | if (OpCode->ValueType == EFI_IFR_TYPE_DATE) {\r | |
1789 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
1790 | case 0x00:\r | |
1791 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r | |
1792 | Value->Value.u16 = EfiTime.Year;\r | |
1793 | break;\r | |
1794 | case 0x02:\r | |
1795 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
1796 | Value->Value.u8 = EfiTime.Month;\r | |
1797 | break;\r | |
1798 | case 0x03:\r | |
1799 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
1800 | Value->Value.u8 = EfiTime.Day;\r | |
1801 | break;\r | |
1802 | default:\r | |
1803 | //\r | |
1804 | // Invalid Date field.\r | |
1805 | //\r | |
1806 | Status = EFI_INVALID_PARAMETER;\r | |
1807 | goto Done;\r | |
1808 | }\r | |
1809 | } else {\r | |
1810 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
1811 | case 0x00:\r | |
1812 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
1813 | Value->Value.u8 = EfiTime.Hour;\r | |
1814 | break;\r | |
1815 | case 0x01:\r | |
1816 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
1817 | Value->Value.u8 = EfiTime.Minute;\r | |
1818 | break;\r | |
1819 | case 0x02:\r | |
1820 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
1821 | Value->Value.u8 = EfiTime.Second;\r | |
1822 | break;\r | |
1823 | default:\r | |
1824 | //\r | |
1825 | // Invalid Time field.\r | |
1826 | //\r | |
1827 | Status = EFI_INVALID_PARAMETER;\r | |
1828 | goto Done;\r | |
1829 | }\r | |
1830 | }\r | |
1831 | }\r | |
1832 | }\r | |
1833 | \r | |
1834 | break;\r | |
1835 | \r | |
7936fb6a | 1836 | case EFI_IFR_QUESTION_REF3_OP:\r |
1837 | if (OpCode->DevicePath == 0) {\r | |
1838 | //\r | |
1839 | // EFI_IFR_QUESTION_REF3\r | |
1840 | // Pop an expression from the expression stack\r | |
1841 | //\r | |
1842 | Status = PopExpression (Value);\r | |
1843 | if (EFI_ERROR (Status)) {\r | |
2573712e | 1844 | goto Done;\r |
7936fb6a | 1845 | }\r |
1846 | \r | |
1847 | //\r | |
1848 | // Validate the expression value\r | |
1849 | //\r | |
1850 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r | |
2573712e LG |
1851 | Status = EFI_NOT_FOUND;\r |
1852 | goto Done;\r | |
7936fb6a | 1853 | }\r |
1854 | \r | |
1855 | Question = IdToQuestion (FormSet, Form, Value->Value.u16);\r | |
1856 | if (Question == NULL) {\r | |
2573712e LG |
1857 | Status = EFI_NOT_FOUND;\r |
1858 | goto Done;\r | |
7936fb6a | 1859 | }\r |
1860 | \r | |
1861 | //\r | |
1862 | // push the questions' value on to the expression stack\r | |
1863 | //\r | |
1864 | Value = &Question->HiiValue;\r | |
1865 | } else {\r | |
1866 | //\r | |
1867 | // BUGBUG: push 0 for EFI_IFR_QUESTION_REF3_2 and EFI_IFR_QUESTION_REF3_3,\r | |
1868 | // since it is impractical to evaluate the value of a Question in another\r | |
1869 | // Hii Package list.\r | |
1870 | //\r | |
1871 | ZeroMem (Value, sizeof (EFI_HII_VALUE));\r | |
1872 | }\r | |
1873 | break;\r | |
1874 | \r | |
1875 | case EFI_IFR_RULE_REF_OP:\r | |
1876 | //\r | |
1877 | // Find expression for this rule\r | |
1878 | //\r | |
1879 | RuleExpression = RuleIdToExpression (Form, OpCode->RuleId);\r | |
1880 | if (RuleExpression == NULL) {\r | |
2573712e LG |
1881 | Status = EFI_NOT_FOUND;\r |
1882 | goto Done;\r | |
7936fb6a | 1883 | }\r |
1884 | \r | |
1885 | //\r | |
1886 | // Evaluate this rule expression\r | |
1887 | //\r | |
1888 | Status = EvaluateExpression (FormSet, Form, RuleExpression);\r | |
1889 | if (EFI_ERROR (Status)) {\r | |
2573712e | 1890 | goto Done;\r |
7936fb6a | 1891 | }\r |
1892 | \r | |
1893 | Value = &RuleExpression->Result;\r | |
1894 | break;\r | |
1895 | \r | |
1896 | case EFI_IFR_STRING_REF1_OP:\r | |
1897 | Value->Type = EFI_IFR_TYPE_STRING;\r | |
1898 | Value->Value.string = OpCode->Value.Value.string;\r | |
1899 | break;\r | |
1900 | \r | |
1901 | //\r | |
1902 | // Constant\r | |
1903 | //\r | |
1904 | case EFI_IFR_TRUE_OP:\r | |
1905 | case EFI_IFR_FALSE_OP:\r | |
1906 | case EFI_IFR_ONE_OP:\r | |
1907 | case EFI_IFR_ONES_OP:\r | |
1908 | case EFI_IFR_UINT8_OP:\r | |
1909 | case EFI_IFR_UINT16_OP:\r | |
1910 | case EFI_IFR_UINT32_OP:\r | |
1911 | case EFI_IFR_UINT64_OP:\r | |
1912 | case EFI_IFR_UNDEFINED_OP:\r | |
1913 | case EFI_IFR_VERSION_OP:\r | |
1914 | case EFI_IFR_ZERO_OP:\r | |
1915 | Value = &OpCode->Value;\r | |
1916 | break;\r | |
1917 | \r | |
1918 | //\r | |
1919 | // unary-op\r | |
1920 | //\r | |
1921 | case EFI_IFR_LENGTH_OP:\r | |
1922 | Status = PopExpression (Value);\r | |
1923 | if (EFI_ERROR (Status)) {\r | |
2573712e | 1924 | goto Done;\r |
7936fb6a | 1925 | }\r |
1926 | if (Value->Type != EFI_IFR_TYPE_STRING) {\r | |
2573712e LG |
1927 | Status = EFI_INVALID_PARAMETER;\r |
1928 | goto Done;\r | |
7936fb6a | 1929 | }\r |
1930 | \r | |
1931 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r | |
1932 | if (StrPtr == NULL) {\r | |
2573712e LG |
1933 | Status = EFI_INVALID_PARAMETER;\r |
1934 | goto Done;\r | |
7936fb6a | 1935 | }\r |
1936 | \r | |
1937 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
1938 | Value->Value.u64 = StrLen (StrPtr);\r | |
f4113e1f | 1939 | FreePool (StrPtr);\r |
7936fb6a | 1940 | break;\r |
1941 | \r | |
1942 | case EFI_IFR_NOT_OP:\r | |
1943 | Status = PopExpression (Value);\r | |
1944 | if (EFI_ERROR (Status)) {\r | |
2573712e | 1945 | goto Done;\r |
7936fb6a | 1946 | }\r |
1947 | if (Value->Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
2573712e LG |
1948 | Status = EFI_INVALID_PARAMETER;\r |
1949 | goto Done;\r | |
7936fb6a | 1950 | }\r |
1951 | Value->Value.b = (BOOLEAN) (!Value->Value.b);\r | |
1952 | break;\r | |
1953 | \r | |
1954 | case EFI_IFR_QUESTION_REF2_OP:\r | |
1955 | //\r | |
1956 | // Pop an expression from the expression stack\r | |
1957 | //\r | |
1958 | Status = PopExpression (Value);\r | |
1959 | if (EFI_ERROR (Status)) {\r | |
2573712e | 1960 | goto Done;\r |
7936fb6a | 1961 | }\r |
1962 | \r | |
1963 | //\r | |
1964 | // Validate the expression value\r | |
1965 | //\r | |
1966 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r | |
2573712e LG |
1967 | Status = EFI_NOT_FOUND;\r |
1968 | goto Done;\r | |
7936fb6a | 1969 | }\r |
1970 | \r | |
1971 | Question = IdToQuestion (FormSet, Form, Value->Value.u16);\r | |
1972 | if (Question == NULL) {\r | |
2573712e LG |
1973 | Status = EFI_NOT_FOUND;\r |
1974 | goto Done;\r | |
7936fb6a | 1975 | }\r |
1976 | \r | |
1977 | Value = &Question->HiiValue;\r | |
1978 | break;\r | |
1979 | \r | |
1980 | case EFI_IFR_STRING_REF2_OP:\r | |
1981 | //\r | |
1982 | // Pop an expression from the expression stack\r | |
1983 | //\r | |
1984 | Status = PopExpression (Value);\r | |
1985 | if (EFI_ERROR (Status)) {\r | |
2573712e | 1986 | goto Done;\r |
7936fb6a | 1987 | }\r |
1988 | \r | |
1989 | //\r | |
1990 | // Validate the expression value\r | |
1991 | //\r | |
1992 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r | |
2573712e LG |
1993 | Status = EFI_NOT_FOUND;\r |
1994 | goto Done;\r | |
7936fb6a | 1995 | }\r |
1996 | \r | |
1997 | Value->Type = EFI_IFR_TYPE_STRING;\r | |
1998 | StrPtr = GetToken (Value->Value.u16, FormSet->HiiHandle);\r | |
1999 | if (StrPtr == NULL) {\r | |
2000 | //\r | |
2001 | // If String not exit, push an empty string\r | |
2002 | //\r | |
2003 | Value->Value.string = NewString (gEmptyString, FormSet->HiiHandle);\r | |
2004 | } else {\r | |
2005 | Index = (UINT16) Value->Value.u64;\r | |
2006 | Value->Value.string = Index;\r | |
f4113e1f | 2007 | FreePool (StrPtr);\r |
7936fb6a | 2008 | }\r |
2009 | break;\r | |
2010 | \r | |
2011 | case EFI_IFR_TO_BOOLEAN_OP:\r | |
2012 | //\r | |
2013 | // Pop an expression from the expression stack\r | |
2014 | //\r | |
2015 | Status = PopExpression (Value);\r | |
2016 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2017 | goto Done;\r |
7936fb6a | 2018 | }\r |
2019 | \r | |
2020 | //\r | |
2021 | // Convert an expression to a Boolean\r | |
2022 | //\r | |
2023 | if (Value->Type <= EFI_IFR_TYPE_DATE) {\r | |
2024 | //\r | |
2025 | // When converting from an unsigned integer, zero will be converted to\r | |
2026 | // FALSE and any other value will be converted to TRUE.\r | |
2027 | //\r | |
4140a663 | 2028 | Value->Value.b = (BOOLEAN) (Value->Value.u64 != 0);\r |
7936fb6a | 2029 | \r |
2030 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
2031 | } else if (Value->Type == EFI_IFR_TYPE_STRING) {\r | |
2032 | //\r | |
2033 | // When converting from a string, if case-insensitive compare\r | |
2034 | // with "true" is True, then push True. If a case-insensitive compare\r | |
2035 | // with "false" is True, then push False.\r | |
2036 | //\r | |
2037 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r | |
2038 | if (StrPtr == NULL) {\r | |
2573712e LG |
2039 | Status = EFI_INVALID_PARAMETER;\r |
2040 | goto Done;\r | |
7936fb6a | 2041 | }\r |
2042 | \r | |
2043 | if ((StrCmp (StrPtr, L"true") == 0) || (StrCmp (StrPtr, L"false") == 0)){\r | |
2044 | Value->Value.b = TRUE;\r | |
2045 | } else {\r | |
2046 | Value->Value.b = FALSE;\r | |
2047 | }\r | |
f4113e1f | 2048 | FreePool (StrPtr);\r |
7936fb6a | 2049 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
2050 | }\r | |
2051 | break;\r | |
2052 | \r | |
2053 | case EFI_IFR_TO_STRING_OP:\r | |
2054 | Status = IfrToString (FormSet, OpCode->Format, Value);\r | |
2055 | break;\r | |
2056 | \r | |
2057 | case EFI_IFR_TO_UINT_OP:\r | |
2058 | Status = IfrToUint (FormSet, Value);\r | |
2059 | break;\r | |
2060 | \r | |
2061 | case EFI_IFR_TO_LOWER_OP:\r | |
2062 | case EFI_IFR_TO_UPPER_OP:\r | |
2063 | Status = InitializeUnicodeCollationProtocol ();\r | |
2064 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2065 | goto Done;\r |
7936fb6a | 2066 | }\r |
2067 | \r | |
2068 | Status = PopExpression (Value);\r | |
2069 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2070 | goto Done;\r |
7936fb6a | 2071 | }\r |
2072 | \r | |
2073 | if (Value->Type != EFI_IFR_TYPE_STRING) {\r | |
2573712e LG |
2074 | Status = EFI_UNSUPPORTED;\r |
2075 | goto Done;\r | |
7936fb6a | 2076 | }\r |
2077 | \r | |
2078 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r | |
2079 | if (StrPtr == NULL) {\r | |
2573712e LG |
2080 | Status = EFI_NOT_FOUND;\r |
2081 | goto Done;\r | |
7936fb6a | 2082 | }\r |
2083 | \r | |
2084 | if (OpCode->Operand == EFI_IFR_TO_LOWER_OP) {\r | |
2085 | mUnicodeCollation->StrLwr (mUnicodeCollation, StrPtr);\r | |
2086 | } else {\r | |
2087 | mUnicodeCollation->StrUpr (mUnicodeCollation, StrPtr);\r | |
2088 | }\r | |
2089 | Value->Value.string = NewString (StrPtr, FormSet->HiiHandle);\r | |
f4113e1f | 2090 | FreePool (StrPtr);\r |
7936fb6a | 2091 | break;\r |
2092 | \r | |
2093 | case EFI_IFR_BITWISE_NOT_OP:\r | |
2094 | //\r | |
2095 | // Pop an expression from the expression stack\r | |
2096 | //\r | |
2097 | Status = PopExpression (Value);\r | |
2098 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2099 | goto Done;\r |
7936fb6a | 2100 | }\r |
2101 | if (Value->Type > EFI_IFR_TYPE_DATE) {\r | |
2573712e LG |
2102 | Status = EFI_INVALID_PARAMETER;\r |
2103 | goto Done;\r | |
7936fb6a | 2104 | }\r |
2105 | \r | |
2106 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
2107 | Value->Value.u64 = ~Value->Value.u64;\r | |
2108 | break;\r | |
2109 | \r | |
2573712e LG |
2110 | case EFI_IFR_SET_OP:\r |
2111 | //\r | |
2112 | // Pop an expression from the expression stack\r | |
2113 | //\r | |
2114 | Status = PopExpression (Value);\r | |
2115 | if (EFI_ERROR (Status)) {\r | |
2116 | goto Done;\r | |
2117 | }\r | |
2118 | Data1.Type = EFI_IFR_TYPE_BOOLEAN;\r | |
2119 | Data1.Value.b = FALSE;\r | |
2120 | //\r | |
2121 | // Set value to var storage buffer\r | |
2122 | //\r | |
2123 | if (OpCode->VarStorage != NULL) {\r | |
2124 | switch (OpCode->VarStorage->Type) {\r | |
2125 | case EFI_HII_VARSTORE_BUFFER:\r | |
2126 | CopyMem (OpCode->VarStorage->EditBuffer + OpCode->VarStoreInfo.VarOffset, &Value->Value, OpCode->ValueWidth);\r | |
2127 | Data1.Value.b = TRUE;\r | |
2128 | break;\r | |
2129 | case EFI_HII_VARSTORE_NAME_VALUE:\r | |
2130 | if (OpCode->ValueType != EFI_IFR_TYPE_STRING) {\r | |
2131 | NameValue = AllocateZeroPool ((OpCode->ValueWidth * 2 + 1) * sizeof (CHAR16));\r | |
2132 | ASSERT (Value != NULL);\r | |
2133 | //\r | |
2134 | // Convert Buffer to Hex String\r | |
2135 | //\r | |
2136 | TempBuffer = (UINT8 *) &Value->Value + OpCode->ValueWidth - 1;\r | |
2137 | StrPtr = NameValue;\r | |
2138 | for (Index = 0; Index < OpCode->ValueWidth; Index ++, TempBuffer --) {\r | |
2139 | StrPtr += UnicodeValueToString (StrPtr, PREFIX_ZERO | RADIX_HEX, *TempBuffer, 2);\r | |
2140 | }\r | |
2141 | Status = SetValueByName (OpCode->VarStorage, OpCode->ValueName, NameValue);\r | |
2142 | FreePool (NameValue);\r | |
2143 | if (!EFI_ERROR (Status)) {\r | |
2144 | Data1.Value.b = TRUE;\r | |
2145 | }\r | |
2146 | }\r | |
2147 | break;\r | |
2148 | case EFI_HII_VARSTORE_EFI_VARIABLE:\r | |
2149 | Status = gRT->SetVariable (\r | |
2150 | OpCode->ValueName,\r | |
2151 | &OpCode->VarStorage->Guid,\r | |
2152 | OpCode->VarStorage->Attributes,\r | |
2153 | OpCode->ValueWidth,\r | |
2154 | &Value->Value\r | |
2155 | );\r | |
2156 | if (!EFI_ERROR (Status)) {\r | |
2157 | Data1.Value.b = TRUE;\r | |
2158 | }\r | |
2159 | break;\r | |
2160 | default:\r | |
2161 | //\r | |
2162 | // Not recognize storage.\r | |
2163 | //\r | |
2164 | Status = EFI_UNSUPPORTED;\r | |
2165 | goto Done;\r | |
2166 | break;\r | |
2167 | }\r | |
2168 | } else {\r | |
2169 | //\r | |
2170 | // For Time/Date Data\r | |
2171 | //\r | |
2172 | if (OpCode->ValueType != EFI_IFR_TYPE_DATE && OpCode->ValueType != EFI_IFR_TYPE_TIME) {\r | |
2173 | //\r | |
2174 | // Only support Data/Time data when storage doesn't exist.\r | |
2175 | //\r | |
2176 | Status = EFI_UNSUPPORTED;\r | |
2177 | goto Done;\r | |
2178 | }\r | |
2179 | Status = gRT->GetTime (&EfiTime, NULL);\r | |
2180 | if (!EFI_ERROR (Status)) {\r | |
2181 | if (OpCode->ValueType == EFI_IFR_TYPE_DATE) {\r | |
2182 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
2183 | case 0x00:\r | |
2184 | EfiTime.Year = Value->Value.u16;\r | |
2185 | break;\r | |
2186 | case 0x02:\r | |
2187 | EfiTime.Month = Value->Value.u8;\r | |
2188 | break;\r | |
2189 | case 0x03:\r | |
2190 | EfiTime.Day = Value->Value.u8;\r | |
2191 | break;\r | |
2192 | default:\r | |
2193 | //\r | |
2194 | // Invalid Date field.\r | |
2195 | //\r | |
2196 | Status = EFI_INVALID_PARAMETER;\r | |
2197 | goto Done;\r | |
2198 | }\r | |
2199 | } else {\r | |
2200 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
2201 | case 0x00:\r | |
2202 | EfiTime.Hour = Value->Value.u8;\r | |
2203 | break;\r | |
2204 | case 0x01:\r | |
2205 | EfiTime.Minute = Value->Value.u8;\r | |
2206 | break;\r | |
2207 | case 0x02:\r | |
2208 | EfiTime.Second = Value->Value.u8;\r | |
2209 | break;\r | |
2210 | default:\r | |
2211 | //\r | |
2212 | // Invalid Time field.\r | |
2213 | //\r | |
2214 | Status = EFI_INVALID_PARAMETER;\r | |
2215 | goto Done;\r | |
2216 | }\r | |
2217 | }\r | |
2218 | Status = gRT->SetTime (&EfiTime);\r | |
2219 | if (!EFI_ERROR (Status)) {\r | |
2220 | Data1.Value.b = TRUE;\r | |
2221 | }\r | |
2222 | }\r | |
2223 | }\r | |
2224 | Value = &Data1;\r | |
2225 | break;\r | |
2226 | \r | |
7936fb6a | 2227 | //\r |
2228 | // binary-op\r | |
2229 | //\r | |
2230 | case EFI_IFR_ADD_OP:\r | |
2231 | case EFI_IFR_SUBTRACT_OP:\r | |
2232 | case EFI_IFR_MULTIPLY_OP:\r | |
2233 | case EFI_IFR_DIVIDE_OP:\r | |
2234 | case EFI_IFR_MODULO_OP:\r | |
2235 | case EFI_IFR_BITWISE_AND_OP:\r | |
2236 | case EFI_IFR_BITWISE_OR_OP:\r | |
2237 | case EFI_IFR_SHIFT_LEFT_OP:\r | |
2238 | case EFI_IFR_SHIFT_RIGHT_OP:\r | |
2239 | //\r | |
2240 | // Pop an expression from the expression stack\r | |
2241 | //\r | |
2242 | Status = PopExpression (&Data2);\r | |
2243 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2244 | goto Done;\r |
7936fb6a | 2245 | }\r |
2246 | if (Data2.Type > EFI_IFR_TYPE_DATE) {\r | |
2573712e LG |
2247 | Status = EFI_INVALID_PARAMETER;\r |
2248 | goto Done;\r | |
7936fb6a | 2249 | }\r |
2250 | \r | |
2251 | //\r | |
2252 | // Pop another expression from the expression stack\r | |
2253 | //\r | |
2254 | Status = PopExpression (&Data1);\r | |
2255 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2256 | goto Done;\r |
7936fb6a | 2257 | }\r |
2258 | if (Data1.Type > EFI_IFR_TYPE_DATE) {\r | |
2573712e LG |
2259 | Status = EFI_INVALID_PARAMETER;\r |
2260 | goto Done;\r | |
7936fb6a | 2261 | }\r |
2262 | \r | |
2263 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
2264 | \r | |
2265 | switch (OpCode->Operand) {\r | |
2266 | case EFI_IFR_ADD_OP:\r | |
2267 | Value->Value.u64 = Data1.Value.u64 + Data2.Value.u64;\r | |
2268 | break;\r | |
2269 | \r | |
2270 | case EFI_IFR_SUBTRACT_OP:\r | |
2271 | Value->Value.u64 = Data1.Value.u64 - Data2.Value.u64;\r | |
2272 | break;\r | |
2273 | \r | |
2274 | case EFI_IFR_MULTIPLY_OP:\r | |
2275 | Value->Value.u64 = MultU64x32 (Data1.Value.u64, (UINT32) Data2.Value.u64);\r | |
2276 | break;\r | |
2277 | \r | |
2278 | case EFI_IFR_DIVIDE_OP:\r | |
2279 | Value->Value.u64 = DivU64x32 (Data1.Value.u64, (UINT32) Data2.Value.u64);\r | |
2280 | break;\r | |
2281 | \r | |
2282 | case EFI_IFR_MODULO_OP:\r | |
2283 | DivU64x32Remainder (Data1.Value.u64, (UINT32) Data2.Value.u64, &TempValue);\r | |
2284 | Value->Value.u64 = TempValue;\r | |
2285 | break;\r | |
2286 | \r | |
2287 | case EFI_IFR_BITWISE_AND_OP:\r | |
2288 | Value->Value.u64 = Data1.Value.u64 & Data2.Value.u64;\r | |
2289 | break;\r | |
2290 | \r | |
2291 | case EFI_IFR_BITWISE_OR_OP:\r | |
2292 | Value->Value.u64 = Data1.Value.u64 | Data2.Value.u64;\r | |
2293 | break;\r | |
2294 | \r | |
2295 | case EFI_IFR_SHIFT_LEFT_OP:\r | |
2296 | Value->Value.u64 = LShiftU64 (Data1.Value.u64, (UINTN) Data2.Value.u64);\r | |
2297 | break;\r | |
2298 | \r | |
2299 | case EFI_IFR_SHIFT_RIGHT_OP:\r | |
2300 | Value->Value.u64 = RShiftU64 (Data1.Value.u64, (UINTN) Data2.Value.u64);\r | |
2301 | break;\r | |
2302 | \r | |
2303 | default:\r | |
2304 | break;\r | |
2305 | }\r | |
2306 | break;\r | |
2307 | \r | |
2308 | case EFI_IFR_AND_OP:\r | |
2309 | case EFI_IFR_OR_OP:\r | |
2310 | //\r | |
2311 | // Two Boolean operator\r | |
2312 | //\r | |
2313 | Status = PopExpression (&Data2);\r | |
2314 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2315 | goto Done;\r |
7936fb6a | 2316 | }\r |
2317 | if (Data2.Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
2573712e LG |
2318 | Status = EFI_INVALID_PARAMETER;\r |
2319 | goto Done;\r | |
7936fb6a | 2320 | }\r |
2321 | \r | |
2322 | //\r | |
2323 | // Pop another expression from the expression stack\r | |
2324 | //\r | |
2325 | Status = PopExpression (&Data1);\r | |
2326 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2327 | goto Done;\r |
7936fb6a | 2328 | }\r |
2329 | if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
2573712e LG |
2330 | Status = EFI_INVALID_PARAMETER;\r |
2331 | goto Done;\r | |
7936fb6a | 2332 | }\r |
2333 | \r | |
2334 | if (OpCode->Operand == EFI_IFR_AND_OP) {\r | |
2335 | Value->Value.b = (BOOLEAN) (Data1.Value.b && Data2.Value.b);\r | |
2336 | } else {\r | |
2337 | Value->Value.b = (BOOLEAN) (Data1.Value.b || Data2.Value.b);\r | |
2338 | }\r | |
2339 | break;\r | |
2340 | \r | |
2341 | case EFI_IFR_EQUAL_OP:\r | |
2342 | case EFI_IFR_NOT_EQUAL_OP:\r | |
2343 | case EFI_IFR_GREATER_EQUAL_OP:\r | |
2344 | case EFI_IFR_GREATER_THAN_OP:\r | |
2345 | case EFI_IFR_LESS_EQUAL_OP:\r | |
2346 | case EFI_IFR_LESS_THAN_OP:\r | |
2347 | //\r | |
2348 | // Compare two integer, string, boolean or date/time\r | |
2349 | //\r | |
2350 | Status = PopExpression (&Data2);\r | |
2351 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2352 | goto Done;\r |
7936fb6a | 2353 | }\r |
2354 | if (Data2.Type > EFI_IFR_TYPE_BOOLEAN && Data2.Type != EFI_IFR_TYPE_STRING) {\r | |
2573712e LG |
2355 | Status = EFI_INVALID_PARAMETER;\r |
2356 | goto Done;\r | |
7936fb6a | 2357 | }\r |
2358 | \r | |
2359 | //\r | |
2360 | // Pop another expression from the expression stack\r | |
2361 | //\r | |
2362 | Status = PopExpression (&Data1);\r | |
2363 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2364 | goto Done;\r |
7936fb6a | 2365 | }\r |
2366 | \r | |
2367 | Result = CompareHiiValue (&Data1, &Data2, FormSet->HiiHandle);\r | |
2368 | if (Result == EFI_INVALID_PARAMETER) {\r | |
2573712e LG |
2369 | Status = EFI_INVALID_PARAMETER;\r |
2370 | goto Done;\r | |
7936fb6a | 2371 | }\r |
2372 | \r | |
2373 | switch (OpCode->Operand) {\r | |
2374 | case EFI_IFR_EQUAL_OP:\r | |
2375 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r | |
2376 | break;\r | |
2377 | \r | |
2378 | case EFI_IFR_NOT_EQUAL_OP:\r | |
7b9b2b92 | 2379 | Value->Value.b = (BOOLEAN) ((Result != 0) ? TRUE : FALSE);\r |
7936fb6a | 2380 | break;\r |
2381 | \r | |
2382 | case EFI_IFR_GREATER_EQUAL_OP:\r | |
2383 | Value->Value.b = (BOOLEAN) ((Result >= 0) ? TRUE : FALSE);\r | |
2384 | break;\r | |
2385 | \r | |
2386 | case EFI_IFR_GREATER_THAN_OP:\r | |
2387 | Value->Value.b = (BOOLEAN) ((Result > 0) ? TRUE : FALSE);\r | |
2388 | break;\r | |
2389 | \r | |
2390 | case EFI_IFR_LESS_EQUAL_OP:\r | |
2391 | Value->Value.b = (BOOLEAN) ((Result <= 0) ? TRUE : FALSE);\r | |
2392 | break;\r | |
2393 | \r | |
2394 | case EFI_IFR_LESS_THAN_OP:\r | |
2395 | Value->Value.b = (BOOLEAN) ((Result < 0) ? TRUE : FALSE);\r | |
2396 | break;\r | |
2397 | \r | |
2398 | default:\r | |
2399 | break;\r | |
2400 | }\r | |
2401 | break;\r | |
2402 | \r | |
2403 | case EFI_IFR_MATCH_OP:\r | |
2404 | Status = IfrMatch (FormSet, Value);\r | |
2405 | break;\r | |
2406 | \r | |
2407 | case EFI_IFR_CATENATE_OP:\r | |
2408 | Status = IfrCatenate (FormSet, Value);\r | |
2409 | break;\r | |
2410 | \r | |
2411 | //\r | |
2412 | // ternary-op\r | |
2413 | //\r | |
2414 | case EFI_IFR_CONDITIONAL_OP:\r | |
2415 | //\r | |
2416 | // Pop third expression from the expression stack\r | |
2417 | //\r | |
2418 | Status = PopExpression (&Data3);\r | |
2419 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2420 | goto Done;\r |
7936fb6a | 2421 | }\r |
2422 | \r | |
2423 | //\r | |
2424 | // Pop second expression from the expression stack\r | |
2425 | //\r | |
2426 | Status = PopExpression (&Data2);\r | |
2427 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2428 | goto Done;\r |
7936fb6a | 2429 | }\r |
2430 | \r | |
2431 | //\r | |
2432 | // Pop first expression from the expression stack\r | |
2433 | //\r | |
2434 | Status = PopExpression (&Data1);\r | |
2435 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2436 | goto Done;\r |
7936fb6a | 2437 | }\r |
2438 | if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
2573712e LG |
2439 | Status = EFI_INVALID_PARAMETER;\r |
2440 | goto Done;\r | |
7936fb6a | 2441 | }\r |
2442 | \r | |
2443 | if (Data1.Value.b) {\r | |
2444 | Value = &Data3;\r | |
2445 | } else {\r | |
2446 | Value = &Data2;\r | |
2447 | }\r | |
2448 | break;\r | |
2449 | \r | |
2450 | case EFI_IFR_FIND_OP:\r | |
2451 | Status = IfrFind (FormSet, OpCode->Format, Value);\r | |
2452 | break;\r | |
2453 | \r | |
2454 | case EFI_IFR_MID_OP:\r | |
2455 | Status = IfrMid (FormSet, Value);\r | |
2456 | break;\r | |
2457 | \r | |
2458 | case EFI_IFR_TOKEN_OP:\r | |
2459 | Status = IfrToken (FormSet, Value);\r | |
2460 | break;\r | |
2461 | \r | |
2462 | case EFI_IFR_SPAN_OP:\r | |
2463 | Status = IfrSpan (FormSet, OpCode->Flags, Value);\r | |
2464 | break;\r | |
2465 | \r | |
2573712e LG |
2466 | case EFI_IFR_MAP_OP:\r |
2467 | //\r | |
2468 | // Pop the check value\r | |
2469 | //\r | |
2470 | Status = PopExpression (&Data1);\r | |
2471 | if (EFI_ERROR (Status)) {\r | |
2472 | goto Done;\r | |
2473 | }\r | |
2474 | //\r | |
2475 | // Check MapExpression list is valid.\r | |
2476 | //\r | |
2477 | if (OpCode->MapExpressionList.ForwardLink == NULL) {\r | |
2478 | Status = EFI_INVALID_PARAMETER;\r | |
2479 | goto Done;\r | |
2480 | }\r | |
2481 | //\r | |
2482 | // Go through map expression list.\r | |
2483 | //\r | |
2484 | SubExpressionLink = GetFirstNode(&OpCode->MapExpressionList);\r | |
2485 | while (!IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
2486 | SubExpression = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);\r | |
2487 | //\r | |
2488 | // Evaluate the first expression in this pair.\r | |
2489 | //\r | |
2490 | Status = EvaluateExpression (FormSet, Form, SubExpression);\r | |
2491 | if (EFI_ERROR (Status)) {\r | |
2492 | goto Done;\r | |
2493 | }\r | |
2494 | //\r | |
2495 | // Compare the expression value with current value\r | |
2496 | //\r | |
2497 | if (CompareHiiValue (&Data1, &SubExpression->Result, NULL) == 0) {\r | |
2498 | //\r | |
2499 | // Try get the map value.\r | |
2500 | //\r | |
2501 | SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);\r | |
2502 | if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
2503 | Status = EFI_INVALID_PARAMETER;\r | |
2504 | goto Done;\r | |
2505 | }\r | |
2506 | SubExpression = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);\r | |
2507 | Status = EvaluateExpression (FormSet, Form, SubExpression);\r | |
2508 | if (EFI_ERROR (Status)) {\r | |
2509 | goto Done;\r | |
2510 | }\r | |
2511 | Value = &SubExpression->Result;\r | |
2512 | break;\r | |
2513 | }\r | |
2514 | //\r | |
2515 | // Skip the second expression on this pair.\r | |
2516 | //\r | |
2517 | SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);\r | |
2518 | if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
2519 | Status = EFI_INVALID_PARAMETER;\r | |
2520 | goto Done;\r | |
2521 | }\r | |
2522 | //\r | |
2523 | // Goto the first expression on next pair.\r | |
2524 | //\r | |
2525 | SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);\r | |
2526 | }\r | |
2527 | \r | |
2528 | //\r | |
2529 | // No map value is found.\r | |
2530 | //\r | |
2531 | if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
2532 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2533 | Value->Value.u8 = 0;\r | |
2534 | }\r | |
2535 | break;\r | |
2536 | \r | |
7936fb6a | 2537 | default:\r |
2538 | break;\r | |
2539 | }\r | |
2540 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2541 | goto Done;\r |
7936fb6a | 2542 | }\r |
2543 | \r | |
2544 | Status = PushExpression (Value);\r | |
2545 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2546 | goto Done;\r |
7936fb6a | 2547 | }\r |
2548 | }\r | |
2549 | \r | |
2550 | //\r | |
2551 | // Pop the final result from expression stack\r | |
2552 | //\r | |
2553 | Value = &Data1;\r | |
2554 | Status = PopExpression (Value);\r | |
2555 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2556 | goto Done;\r |
7936fb6a | 2557 | }\r |
2558 | \r | |
2559 | //\r | |
2560 | // After evaluating an expression, there should be only one value left on the expression stack\r | |
2561 | //\r | |
2562 | if (PopExpression (Value) != EFI_ACCESS_DENIED) {\r | |
2573712e | 2563 | Status = EFI_INVALID_PARAMETER;\r |
7936fb6a | 2564 | }\r |
2565 | \r | |
2573712e LG |
2566 | Done:\r |
2567 | RestoreExpressionEvaluationStackOffset (StackOffset);\r | |
2568 | if (!EFI_ERROR (Status)) {\r | |
2569 | CopyMem (&Expression->Result, Value, sizeof (EFI_HII_VALUE));\r | |
2570 | }\r | |
7936fb6a | 2571 | \r |
2573712e | 2572 | return Status;\r |
7936fb6a | 2573 | }\r |