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7936fb6a | 1 | /** @file\r |
2 | Utility functions for expression evaluation.\r | |
3 | \r | |
40578d09 | 4 | Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>\r |
e5eed7d3 | 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 |
31585af4 ED |
37 | FORM_EXPRESSION **mFormExpressionStack = NULL;\r |
38 | FORM_EXPRESSION **mFormExpressionEnd = NULL;\r | |
39 | FORM_EXPRESSION **mFormExpressionPointer = NULL;\r | |
40 | \r | |
41 | FORM_EXPRESSION **mStatementExpressionStack = NULL;\r | |
42 | FORM_EXPRESSION **mStatementExpressionEnd = NULL;\r | |
43 | FORM_EXPRESSION **mStatementExpressionPointer = NULL;\r | |
44 | \r | |
45 | FORM_EXPRESSION **mOptionExpressionStack = NULL;\r | |
46 | FORM_EXPRESSION **mOptionExpressionEnd = NULL;\r | |
47 | FORM_EXPRESSION **mOptionExpressionPointer = NULL;\r | |
48 | \r | |
49 | \r | |
7936fb6a | 50 | //\r |
51 | // Unicode collation protocol interface\r | |
52 | //\r | |
53 | EFI_UNICODE_COLLATION_PROTOCOL *mUnicodeCollation = NULL;\r | |
cbf73e50 | 54 | EFI_USER_MANAGER_PROTOCOL *mUserManager = NULL;\r |
7936fb6a | 55 | \r |
56 | /**\r | |
57 | Grow size of the stack.\r | |
58 | \r | |
59 | This is an internal function.\r | |
60 | \r | |
61 | @param Stack On input: old stack; On output: new stack\r | |
62 | @param StackPtr On input: old stack pointer; On output: new stack\r | |
63 | pointer\r | |
64 | @param StackEnd On input: old stack end; On output: new stack end\r | |
65 | \r | |
66 | @retval EFI_SUCCESS Grow stack success.\r | |
67 | @retval EFI_OUT_OF_RESOURCES No enough memory for stack space.\r | |
68 | \r | |
69 | **/\r | |
70 | EFI_STATUS\r | |
71 | GrowStack (\r | |
72 | IN OUT EFI_HII_VALUE **Stack,\r | |
73 | IN OUT EFI_HII_VALUE **StackPtr,\r | |
74 | IN OUT EFI_HII_VALUE **StackEnd\r | |
75 | )\r | |
76 | {\r | |
77 | UINTN Size;\r | |
78 | EFI_HII_VALUE *NewStack;\r | |
79 | \r | |
80 | Size = EXPRESSION_STACK_SIZE_INCREMENT;\r | |
81 | if (*StackPtr != NULL) {\r | |
82 | Size = Size + (*StackEnd - *Stack);\r | |
83 | }\r | |
84 | \r | |
85 | NewStack = AllocatePool (Size * sizeof (EFI_HII_VALUE));\r | |
86 | if (NewStack == NULL) {\r | |
87 | return EFI_OUT_OF_RESOURCES;\r | |
88 | }\r | |
89 | \r | |
90 | if (*StackPtr != NULL) {\r | |
91 | //\r | |
92 | // Copy from Old Stack to the New Stack\r | |
93 | //\r | |
94 | CopyMem (\r | |
95 | NewStack,\r | |
96 | *Stack,\r | |
97 | (*StackEnd - *Stack) * sizeof (EFI_HII_VALUE)\r | |
98 | );\r | |
99 | \r | |
100 | //\r | |
101 | // Free The Old Stack\r | |
102 | //\r | |
f4113e1f | 103 | FreePool (*Stack);\r |
7936fb6a | 104 | }\r |
105 | \r | |
106 | //\r | |
107 | // Make the Stack pointer point to the old data in the new stack\r | |
108 | //\r | |
109 | *StackPtr = NewStack + (*StackPtr - *Stack);\r | |
110 | *Stack = NewStack;\r | |
111 | *StackEnd = NewStack + Size;\r | |
112 | \r | |
113 | return EFI_SUCCESS;\r | |
114 | }\r | |
115 | \r | |
116 | \r | |
117 | /**\r | |
118 | Push an element onto the Boolean Stack.\r | |
119 | \r | |
120 | @param Stack On input: old stack; On output: new stack\r | |
121 | @param StackPtr On input: old stack pointer; On output: new stack\r | |
122 | pointer\r | |
123 | @param StackEnd On input: old stack end; On output: new stack end\r | |
124 | @param Data Data to push.\r | |
125 | \r | |
126 | @retval EFI_SUCCESS Push stack success.\r | |
127 | \r | |
128 | **/\r | |
129 | EFI_STATUS\r | |
130 | PushStack (\r | |
131 | IN OUT EFI_HII_VALUE **Stack,\r | |
132 | IN OUT EFI_HII_VALUE **StackPtr,\r | |
133 | IN OUT EFI_HII_VALUE **StackEnd,\r | |
134 | IN EFI_HII_VALUE *Data\r | |
135 | )\r | |
136 | {\r | |
137 | EFI_STATUS Status;\r | |
138 | \r | |
139 | //\r | |
140 | // Check for a stack overflow condition\r | |
141 | //\r | |
142 | if (*StackPtr >= *StackEnd) {\r | |
143 | //\r | |
144 | // Grow the stack\r | |
145 | //\r | |
146 | Status = GrowStack (Stack, StackPtr, StackEnd);\r | |
147 | if (EFI_ERROR (Status)) {\r | |
148 | return Status;\r | |
149 | }\r | |
150 | }\r | |
151 | \r | |
152 | //\r | |
153 | // Push the item onto the stack\r | |
154 | //\r | |
155 | CopyMem (*StackPtr, Data, sizeof (EFI_HII_VALUE));\r | |
901ba0e7 ED |
156 | if (Data->Type == EFI_IFR_TYPE_BUFFER) {\r |
157 | (*StackPtr)->Buffer = AllocateCopyPool(Data->BufferLen, Data->Buffer);\r | |
158 | ASSERT ((*StackPtr)->Buffer != NULL);\r | |
159 | }\r | |
160 | \r | |
7936fb6a | 161 | *StackPtr = *StackPtr + 1;\r |
162 | \r | |
163 | return EFI_SUCCESS;\r | |
164 | }\r | |
165 | \r | |
166 | \r | |
167 | /**\r | |
168 | Pop an element from the stack.\r | |
169 | \r | |
2573712e LG |
170 | @param Stack On input: old stack\r |
171 | @param StackPtr On input: old stack pointer; On output: new stack pointer\r | |
7936fb6a | 172 | @param Data Data to pop.\r |
173 | \r | |
174 | @retval EFI_SUCCESS The value was popped onto the stack.\r | |
175 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r | |
176 | \r | |
177 | **/\r | |
178 | EFI_STATUS\r | |
179 | PopStack (\r | |
2573712e | 180 | IN EFI_HII_VALUE *Stack,\r |
7936fb6a | 181 | IN OUT EFI_HII_VALUE **StackPtr,\r |
7936fb6a | 182 | OUT EFI_HII_VALUE *Data\r |
183 | )\r | |
184 | {\r | |
185 | //\r | |
186 | // Check for a stack underflow condition\r | |
187 | //\r | |
2573712e | 188 | if (*StackPtr == Stack) {\r |
7936fb6a | 189 | return EFI_ACCESS_DENIED;\r |
190 | }\r | |
191 | \r | |
192 | //\r | |
193 | // Pop the item off the stack\r | |
194 | //\r | |
195 | *StackPtr = *StackPtr - 1;\r | |
196 | CopyMem (Data, *StackPtr, sizeof (EFI_HII_VALUE));\r | |
197 | return EFI_SUCCESS;\r | |
198 | }\r | |
199 | \r | |
200 | \r | |
2573712e LG |
201 | /**\r |
202 | Reset stack pointer to begin of the stack.\r | |
203 | \r | |
204 | **/\r | |
205 | VOID\r | |
206 | ResetCurrentExpressionStack (\r | |
207 | VOID\r | |
208 | )\r | |
209 | {\r | |
31585af4 ED |
210 | mCurrentExpressionPointer = mCurrentExpressionStack;\r |
211 | mFormExpressionPointer = mFormExpressionStack;\r | |
212 | mStatementExpressionPointer = mStatementExpressionStack;\r | |
213 | mOptionExpressionPointer = mOptionExpressionStack; \r | |
2573712e LG |
214 | }\r |
215 | \r | |
216 | \r | |
217 | /**\r | |
218 | Push current expression onto the Stack\r | |
219 | \r | |
220 | @param Pointer Pointer to current expression.\r | |
221 | \r | |
222 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
223 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.\r | |
224 | \r | |
225 | **/\r | |
226 | EFI_STATUS\r | |
227 | PushCurrentExpression (\r | |
228 | IN VOID *Pointer\r | |
229 | )\r | |
230 | {\r | |
231 | EFI_HII_VALUE Data;\r | |
232 | \r | |
233 | Data.Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
234 | Data.Value.u64 = (UINT64) (UINTN) Pointer;\r | |
235 | \r | |
236 | return PushStack (\r | |
237 | &mCurrentExpressionStack,\r | |
238 | &mCurrentExpressionPointer,\r | |
239 | &mCurrentExpressionEnd,\r | |
240 | &Data\r | |
241 | );\r | |
242 | }\r | |
243 | \r | |
244 | \r | |
245 | /**\r | |
246 | Pop current expression from the Stack\r | |
247 | \r | |
248 | @param Pointer Pointer to current expression to be pop.\r | |
249 | \r | |
250 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
251 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.\r | |
252 | \r | |
253 | **/\r | |
254 | EFI_STATUS\r | |
255 | PopCurrentExpression (\r | |
256 | OUT VOID **Pointer\r | |
257 | )\r | |
258 | {\r | |
259 | EFI_STATUS Status;\r | |
260 | EFI_HII_VALUE Data;\r | |
261 | \r | |
262 | Status = PopStack (\r | |
263 | mCurrentExpressionStack,\r | |
264 | &mCurrentExpressionPointer,\r | |
265 | &Data\r | |
266 | );\r | |
267 | \r | |
268 | *Pointer = (VOID *) (UINTN) Data.Value.u64;\r | |
269 | \r | |
270 | return Status;\r | |
271 | }\r | |
272 | \r | |
273 | /**\r | |
274 | Reset stack pointer to begin of the stack.\r | |
275 | \r | |
276 | **/\r | |
277 | VOID\r | |
278 | ResetMapExpressionListStack (\r | |
279 | VOID\r | |
280 | )\r | |
281 | {\r | |
282 | mMapExpressionListPointer = mMapExpressionListStack;\r | |
283 | }\r | |
284 | \r | |
285 | \r | |
31585af4 ED |
286 | /**\r |
287 | Grow size of the stack.\r | |
288 | \r | |
289 | This is an internal function.\r | |
290 | \r | |
291 | @param Stack On input: old stack; On output: new stack\r | |
292 | @param StackPtr On input: old stack pointer; On output: new stack\r | |
293 | pointer\r | |
294 | @param StackEnd On input: old stack end; On output: new stack end\r | |
295 | @param MemberSize The stack member size.\r | |
296 | \r | |
297 | @retval EFI_SUCCESS Grow stack success.\r | |
298 | @retval EFI_OUT_OF_RESOURCES No enough memory for stack space.\r | |
299 | \r | |
300 | **/\r | |
301 | EFI_STATUS\r | |
302 | GrowConditionalStack (\r | |
303 | IN OUT FORM_EXPRESSION ***Stack,\r | |
304 | IN OUT FORM_EXPRESSION ***StackPtr,\r | |
305 | IN OUT FORM_EXPRESSION ***StackEnd,\r | |
306 | IN UINTN MemberSize\r | |
307 | )\r | |
308 | {\r | |
309 | UINTN Size;\r | |
310 | FORM_EXPRESSION **NewStack;\r | |
311 | \r | |
312 | Size = EXPRESSION_STACK_SIZE_INCREMENT;\r | |
313 | if (*StackPtr != NULL) {\r | |
314 | Size = Size + (*StackEnd - *Stack);\r | |
315 | }\r | |
316 | \r | |
317 | NewStack = AllocatePool (Size * MemberSize);\r | |
318 | if (NewStack == NULL) {\r | |
319 | return EFI_OUT_OF_RESOURCES;\r | |
320 | }\r | |
321 | \r | |
322 | if (*StackPtr != NULL) {\r | |
323 | //\r | |
324 | // Copy from Old Stack to the New Stack\r | |
325 | //\r | |
326 | CopyMem (\r | |
327 | NewStack,\r | |
328 | *Stack,\r | |
329 | (*StackEnd - *Stack) * MemberSize\r | |
330 | );\r | |
331 | \r | |
332 | //\r | |
333 | // Free The Old Stack\r | |
334 | //\r | |
335 | FreePool (*Stack);\r | |
336 | }\r | |
337 | \r | |
338 | //\r | |
339 | // Make the Stack pointer point to the old data in the new stack\r | |
340 | //\r | |
341 | *StackPtr = NewStack + (*StackPtr - *Stack);\r | |
342 | *Stack = NewStack;\r | |
343 | *StackEnd = NewStack + Size;\r | |
344 | \r | |
345 | return EFI_SUCCESS;\r | |
346 | }\r | |
347 | \r | |
348 | /**\r | |
349 | Push an element onto the Stack.\r | |
350 | \r | |
351 | @param Stack On input: old stack; On output: new stack\r | |
352 | @param StackPtr On input: old stack pointer; On output: new stack\r | |
353 | pointer\r | |
354 | @param StackEnd On input: old stack end; On output: new stack end\r | |
355 | @param Data Data to push.\r | |
356 | \r | |
357 | @retval EFI_SUCCESS Push stack success.\r | |
358 | \r | |
359 | **/\r | |
360 | EFI_STATUS\r | |
361 | PushConditionalStack (\r | |
362 | IN OUT FORM_EXPRESSION ***Stack,\r | |
363 | IN OUT FORM_EXPRESSION ***StackPtr,\r | |
364 | IN OUT FORM_EXPRESSION ***StackEnd,\r | |
365 | IN FORM_EXPRESSION **Data\r | |
366 | )\r | |
367 | {\r | |
368 | EFI_STATUS Status;\r | |
369 | \r | |
370 | //\r | |
371 | // Check for a stack overflow condition\r | |
372 | //\r | |
373 | if (*StackPtr >= *StackEnd) {\r | |
374 | //\r | |
375 | // Grow the stack\r | |
376 | //\r | |
377 | Status = GrowConditionalStack (Stack, StackPtr, StackEnd, sizeof (FORM_EXPRESSION *));\r | |
378 | if (EFI_ERROR (Status)) {\r | |
379 | return Status;\r | |
380 | }\r | |
381 | }\r | |
382 | \r | |
383 | //\r | |
384 | // Push the item onto the stack\r | |
385 | //\r | |
386 | CopyMem (*StackPtr, Data, sizeof (FORM_EXPRESSION *)); \r | |
387 | *StackPtr = *StackPtr + 1;\r | |
388 | \r | |
389 | return EFI_SUCCESS;\r | |
390 | \r | |
391 | }\r | |
392 | \r | |
393 | /**\r | |
394 | Pop an element from the stack.\r | |
395 | \r | |
396 | @param Stack On input: old stack\r | |
397 | @param StackPtr On input: old stack pointer; On output: new stack pointer\r | |
398 | @param Data Data to pop.\r | |
399 | \r | |
400 | @retval EFI_SUCCESS The value was popped onto the stack.\r | |
401 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r | |
402 | \r | |
403 | **/\r | |
404 | EFI_STATUS\r | |
405 | PopConditionalStack (\r | |
406 | IN FORM_EXPRESSION **Stack,\r | |
407 | IN OUT FORM_EXPRESSION ***StackPtr,\r | |
408 | OUT FORM_EXPRESSION **Data\r | |
409 | )\r | |
410 | {\r | |
411 | //\r | |
412 | // Check for a stack underflow condition\r | |
413 | //\r | |
414 | if (*StackPtr == Stack) {\r | |
415 | return EFI_ACCESS_DENIED;\r | |
416 | }\r | |
417 | \r | |
418 | //\r | |
419 | // Pop the item off the stack\r | |
420 | //\r | |
421 | *StackPtr = *StackPtr - 1;\r | |
422 | CopyMem (Data, *StackPtr, sizeof (FORM_EXPRESSION *));\r | |
423 | return EFI_SUCCESS;\r | |
424 | \r | |
425 | }\r | |
426 | \r | |
427 | /**\r | |
428 | Get the expression list count.\r | |
429 | \r | |
430 | @param Level Which type this expression belong to. Form, \r | |
431 | statement or option?\r | |
432 | \r | |
433 | @retval >=0 The expression count\r | |
434 | @retval -1 Input parameter error.\r | |
435 | \r | |
436 | **/\r | |
437 | INTN \r | |
438 | GetConditionalExpressionCount (\r | |
439 | IN EXPRESS_LEVEL Level\r | |
440 | )\r | |
441 | {\r | |
442 | switch (Level) {\r | |
443 | case ExpressForm:\r | |
444 | return mFormExpressionPointer - mFormExpressionStack;\r | |
445 | case ExpressStatement:\r | |
446 | return mStatementExpressionPointer - mStatementExpressionStack;\r | |
447 | case ExpressOption:\r | |
448 | return mOptionExpressionPointer - mOptionExpressionStack;\r | |
449 | default:\r | |
450 | ASSERT (FALSE);\r | |
451 | return -1;\r | |
452 | } \r | |
453 | }\r | |
454 | \r | |
455 | /**\r | |
456 | Get the expression Buffer pointer.\r | |
457 | \r | |
458 | @param Level Which type this expression belong to. Form, \r | |
459 | statement or option?\r | |
460 | \r | |
461 | @retval The start pointer of the expression buffer or NULL.\r | |
462 | \r | |
463 | **/\r | |
464 | FORM_EXPRESSION **\r | |
465 | GetConditionalExpressionList (\r | |
466 | IN EXPRESS_LEVEL Level\r | |
467 | )\r | |
468 | {\r | |
469 | switch (Level) {\r | |
470 | case ExpressForm:\r | |
471 | return mFormExpressionStack;\r | |
472 | case ExpressStatement:\r | |
473 | return mStatementExpressionStack;\r | |
474 | case ExpressOption:\r | |
475 | return mOptionExpressionStack;\r | |
476 | default:\r | |
477 | ASSERT (FALSE);\r | |
478 | return NULL;\r | |
479 | } \r | |
480 | }\r | |
481 | \r | |
482 | \r | |
483 | /**\r | |
484 | Push the expression options onto the Stack.\r | |
485 | \r | |
486 | @param Pointer Pointer to the current expression.\r | |
487 | @param Level Which type this expression belong to. Form, \r | |
488 | statement or option?\r | |
489 | \r | |
490 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
491 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.\r | |
492 | \r | |
493 | **/\r | |
494 | EFI_STATUS\r | |
495 | PushConditionalExpression (\r | |
496 | IN FORM_EXPRESSION *Pointer,\r | |
497 | IN EXPRESS_LEVEL Level\r | |
498 | )\r | |
499 | {\r | |
500 | switch (Level) {\r | |
501 | case ExpressForm:\r | |
502 | return PushConditionalStack (\r | |
503 | &mFormExpressionStack,\r | |
504 | &mFormExpressionPointer,\r | |
505 | &mFormExpressionEnd,\r | |
506 | &Pointer\r | |
507 | );\r | |
508 | case ExpressStatement:\r | |
509 | return PushConditionalStack (\r | |
510 | &mStatementExpressionStack,\r | |
511 | &mStatementExpressionPointer,\r | |
512 | &mStatementExpressionEnd,\r | |
513 | &Pointer\r | |
514 | );\r | |
515 | case ExpressOption:\r | |
516 | return PushConditionalStack (\r | |
517 | &mOptionExpressionStack,\r | |
518 | &mOptionExpressionPointer,\r | |
519 | &mOptionExpressionEnd,\r | |
520 | &Pointer\r | |
521 | );\r | |
522 | default:\r | |
523 | ASSERT (FALSE);\r | |
524 | return EFI_INVALID_PARAMETER;\r | |
525 | }\r | |
526 | }\r | |
527 | \r | |
528 | /**\r | |
529 | Pop the expression options from the Stack\r | |
530 | \r | |
531 | @param Level Which type this expression belong to. Form, \r | |
532 | statement or option?\r | |
533 | \r | |
534 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
535 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.\r | |
536 | \r | |
537 | **/\r | |
538 | EFI_STATUS\r | |
539 | PopConditionalExpression (\r | |
540 | IN EXPRESS_LEVEL Level\r | |
541 | )\r | |
542 | {\r | |
543 | FORM_EXPRESSION *Pointer;\r | |
544 | \r | |
545 | switch (Level) {\r | |
546 | case ExpressForm:\r | |
547 | return PopConditionalStack (\r | |
548 | mFormExpressionStack,\r | |
549 | &mFormExpressionPointer,\r | |
550 | &Pointer\r | |
551 | );\r | |
552 | \r | |
553 | case ExpressStatement:\r | |
554 | return PopConditionalStack (\r | |
555 | mStatementExpressionStack,\r | |
556 | &mStatementExpressionPointer,\r | |
557 | &Pointer\r | |
558 | );\r | |
559 | \r | |
560 | case ExpressOption:\r | |
561 | return PopConditionalStack (\r | |
562 | mOptionExpressionStack,\r | |
563 | &mOptionExpressionPointer,\r | |
564 | &Pointer\r | |
565 | );\r | |
566 | \r | |
567 | default:\r | |
568 | ASSERT (FALSE);\r | |
569 | return EFI_INVALID_PARAMETER;\r | |
570 | }\r | |
571 | }\r | |
572 | \r | |
573 | \r | |
2573712e LG |
574 | /**\r |
575 | Push the list of map expression onto the Stack\r | |
576 | \r | |
577 | @param Pointer Pointer to the list of map expression to be pushed.\r | |
578 | \r | |
579 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
580 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.\r | |
581 | \r | |
582 | **/\r | |
583 | EFI_STATUS\r | |
584 | PushMapExpressionList (\r | |
585 | IN VOID *Pointer\r | |
586 | )\r | |
587 | {\r | |
588 | EFI_HII_VALUE Data;\r | |
589 | \r | |
590 | Data.Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
591 | Data.Value.u64 = (UINT64) (UINTN) Pointer;\r | |
592 | \r | |
593 | return PushStack (\r | |
594 | &mMapExpressionListStack,\r | |
595 | &mMapExpressionListPointer,\r | |
596 | &mMapExpressionListEnd,\r | |
597 | &Data\r | |
598 | );\r | |
599 | }\r | |
600 | \r | |
601 | \r | |
602 | /**\r | |
603 | Pop the list of map expression from the Stack\r | |
604 | \r | |
605 | @param Pointer Pointer to the list of map expression to be pop.\r | |
606 | \r | |
607 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
608 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the stack.\r | |
609 | \r | |
610 | **/\r | |
611 | EFI_STATUS\r | |
612 | PopMapExpressionList (\r | |
613 | OUT VOID **Pointer\r | |
614 | )\r | |
615 | {\r | |
616 | EFI_STATUS Status;\r | |
617 | EFI_HII_VALUE Data;\r | |
618 | \r | |
619 | Status = PopStack (\r | |
620 | mMapExpressionListStack,\r | |
621 | &mMapExpressionListPointer,\r | |
622 | &Data\r | |
623 | );\r | |
624 | \r | |
625 | *Pointer = (VOID *) (UINTN) Data.Value.u64;\r | |
626 | \r | |
627 | return Status;\r | |
628 | }\r | |
629 | \r | |
7936fb6a | 630 | /**\r |
631 | Reset stack pointer to begin of the stack.\r | |
632 | \r | |
633 | **/\r | |
634 | VOID\r | |
635 | ResetScopeStack (\r | |
636 | VOID\r | |
637 | )\r | |
638 | {\r | |
639 | mOpCodeScopeStackPointer = mOpCodeScopeStack;\r | |
640 | }\r | |
641 | \r | |
642 | \r | |
643 | /**\r | |
644 | Push an Operand onto the Stack\r | |
645 | \r | |
646 | @param Operand Operand to push.\r | |
647 | \r | |
648 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
649 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r | |
650 | stack.\r | |
651 | \r | |
652 | **/\r | |
653 | EFI_STATUS\r | |
654 | PushScope (\r | |
655 | IN UINT8 Operand\r | |
656 | )\r | |
657 | {\r | |
658 | EFI_HII_VALUE Data;\r | |
659 | \r | |
660 | Data.Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
661 | Data.Value.u8 = Operand;\r | |
662 | \r | |
663 | return PushStack (\r | |
664 | &mOpCodeScopeStack,\r | |
665 | &mOpCodeScopeStackPointer,\r | |
666 | &mOpCodeScopeStackEnd,\r | |
667 | &Data\r | |
668 | );\r | |
669 | }\r | |
670 | \r | |
671 | \r | |
672 | /**\r | |
673 | Pop an Operand from the Stack\r | |
674 | \r | |
675 | @param Operand Operand to pop.\r | |
676 | \r | |
677 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
678 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r | |
679 | stack.\r | |
680 | \r | |
681 | **/\r | |
682 | EFI_STATUS\r | |
683 | PopScope (\r | |
684 | OUT UINT8 *Operand\r | |
685 | )\r | |
686 | {\r | |
687 | EFI_STATUS Status;\r | |
688 | EFI_HII_VALUE Data;\r | |
689 | \r | |
690 | Status = PopStack (\r | |
2573712e | 691 | mOpCodeScopeStack,\r |
7936fb6a | 692 | &mOpCodeScopeStackPointer,\r |
7936fb6a | 693 | &Data\r |
694 | );\r | |
695 | \r | |
696 | *Operand = Data.Value.u8;\r | |
697 | \r | |
698 | return Status;\r | |
699 | }\r | |
700 | \r | |
701 | \r | |
7936fb6a | 702 | /**\r |
703 | Push an Expression value onto the Stack\r | |
704 | \r | |
705 | @param Value Expression value to push.\r | |
706 | \r | |
707 | @retval EFI_SUCCESS The value was pushed onto the stack.\r | |
708 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r | |
709 | stack.\r | |
710 | \r | |
711 | **/\r | |
712 | EFI_STATUS\r | |
713 | PushExpression (\r | |
714 | IN EFI_HII_VALUE *Value\r | |
715 | )\r | |
716 | {\r | |
717 | return PushStack (\r | |
718 | &mExpressionEvaluationStack,\r | |
719 | &mExpressionEvaluationStackPointer,\r | |
720 | &mExpressionEvaluationStackEnd,\r | |
721 | Value\r | |
722 | );\r | |
723 | }\r | |
724 | \r | |
725 | \r | |
726 | /**\r | |
727 | Pop an Expression value from the stack.\r | |
728 | \r | |
729 | @param Value Expression value to pop.\r | |
730 | \r | |
731 | @retval EFI_SUCCESS The value was popped onto the stack.\r | |
732 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r | |
733 | \r | |
734 | **/\r | |
735 | EFI_STATUS\r | |
736 | PopExpression (\r | |
737 | OUT EFI_HII_VALUE *Value\r | |
738 | )\r | |
739 | {\r | |
740 | return PopStack (\r | |
2573712e | 741 | mExpressionEvaluationStack + mExpressionEvaluationStackOffset,\r |
7936fb6a | 742 | &mExpressionEvaluationStackPointer,\r |
7936fb6a | 743 | Value\r |
744 | );\r | |
745 | }\r | |
746 | \r | |
2573712e LG |
747 | /**\r |
748 | Get current stack offset from stack start.\r | |
749 | \r | |
750 | @return Stack offset to stack start.\r | |
751 | **/\r | |
752 | UINTN\r | |
753 | SaveExpressionEvaluationStackOffset (\r | |
754 | )\r | |
755 | {\r | |
756 | UINTN TempStackOffset;\r | |
757 | TempStackOffset = mExpressionEvaluationStackOffset;\r | |
758 | mExpressionEvaluationStackOffset = mExpressionEvaluationStackPointer - mExpressionEvaluationStack;\r | |
759 | return TempStackOffset;\r | |
760 | }\r | |
761 | \r | |
762 | /**\r | |
763 | Restore stack offset based on input stack offset\r | |
764 | \r | |
765 | @param StackOffset Offset to stack start.\r | |
766 | \r | |
767 | **/\r | |
768 | VOID\r | |
769 | RestoreExpressionEvaluationStackOffset (\r | |
770 | UINTN StackOffset\r | |
771 | )\r | |
772 | {\r | |
773 | mExpressionEvaluationStackOffset = StackOffset;\r | |
774 | }\r | |
7936fb6a | 775 | \r |
776 | /**\r | |
777 | Get Form given its FormId.\r | |
778 | \r | |
779 | @param FormSet The formset which contains this form.\r | |
780 | @param FormId Id of this form.\r | |
781 | \r | |
782 | @retval Pointer The form.\r | |
783 | @retval NULL Specified Form is not found in the formset.\r | |
784 | \r | |
785 | **/\r | |
786 | FORM_BROWSER_FORM *\r | |
787 | IdToForm (\r | |
788 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
789 | IN UINT16 FormId\r | |
7c6c064c | 790 | )\r |
7936fb6a | 791 | {\r |
792 | LIST_ENTRY *Link;\r | |
793 | FORM_BROWSER_FORM *Form;\r | |
794 | \r | |
795 | Link = GetFirstNode (&FormSet->FormListHead);\r | |
796 | while (!IsNull (&FormSet->FormListHead, Link)) {\r | |
797 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r | |
798 | \r | |
799 | if (Form->FormId == FormId) {\r | |
800 | return Form;\r | |
801 | }\r | |
802 | \r | |
803 | Link = GetNextNode (&FormSet->FormListHead, Link);\r | |
804 | }\r | |
805 | \r | |
806 | return NULL;\r | |
807 | }\r | |
808 | \r | |
809 | \r | |
810 | /**\r | |
811 | Search a Question in Form scope using its QuestionId.\r | |
812 | \r | |
813 | @param Form The form which contains this Question.\r | |
814 | @param QuestionId Id of this Question.\r | |
815 | \r | |
816 | @retval Pointer The Question.\r | |
817 | @retval NULL Specified Question not found in the form.\r | |
818 | \r | |
819 | **/\r | |
820 | FORM_BROWSER_STATEMENT *\r | |
821 | IdToQuestion2 (\r | |
822 | IN FORM_BROWSER_FORM *Form,\r | |
823 | IN UINT16 QuestionId\r | |
824 | )\r | |
825 | {\r | |
826 | LIST_ENTRY *Link;\r | |
827 | FORM_BROWSER_STATEMENT *Question;\r | |
828 | \r | |
db40504e | 829 | if (QuestionId == 0 || Form == NULL) {\r |
7936fb6a | 830 | //\r |
831 | // The value of zero is reserved\r | |
832 | //\r | |
833 | return NULL;\r | |
834 | }\r | |
835 | \r | |
836 | Link = GetFirstNode (&Form->StatementListHead);\r | |
837 | while (!IsNull (&Form->StatementListHead, Link)) {\r | |
838 | Question = FORM_BROWSER_STATEMENT_FROM_LINK (Link);\r | |
839 | \r | |
840 | if (Question->QuestionId == QuestionId) {\r | |
841 | return Question;\r | |
842 | }\r | |
843 | \r | |
844 | Link = GetNextNode (&Form->StatementListHead, Link);\r | |
845 | }\r | |
846 | \r | |
847 | return NULL;\r | |
848 | }\r | |
849 | \r | |
850 | \r | |
851 | /**\r | |
852 | Search a Question in Formset scope using its QuestionId.\r | |
853 | \r | |
854 | @param FormSet The formset which contains this form.\r | |
855 | @param Form The form which contains this Question.\r | |
856 | @param QuestionId Id of this Question.\r | |
857 | \r | |
858 | @retval Pointer The Question.\r | |
859 | @retval NULL Specified Question not found in the form.\r | |
860 | \r | |
861 | **/\r | |
862 | FORM_BROWSER_STATEMENT *\r | |
863 | IdToQuestion (\r | |
864 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
865 | IN FORM_BROWSER_FORM *Form,\r | |
866 | IN UINT16 QuestionId\r | |
867 | )\r | |
868 | {\r | |
869 | LIST_ENTRY *Link;\r | |
870 | FORM_BROWSER_STATEMENT *Question;\r | |
871 | \r | |
872 | //\r | |
873 | // Search in the form scope first\r | |
874 | //\r | |
875 | Question = IdToQuestion2 (Form, QuestionId);\r | |
876 | if (Question != NULL) {\r | |
877 | return Question;\r | |
878 | }\r | |
879 | \r | |
880 | //\r | |
881 | // Search in the formset scope\r | |
882 | //\r | |
883 | Link = GetFirstNode (&FormSet->FormListHead);\r | |
884 | while (!IsNull (&FormSet->FormListHead, Link)) {\r | |
885 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r | |
886 | \r | |
887 | Question = IdToQuestion2 (Form, QuestionId);\r | |
888 | if (Question != NULL) {\r | |
8d00a0f1 | 889 | //\r |
890 | // EFI variable storage may be updated by Callback() asynchronous,\r | |
891 | // to keep synchronous, always reload the Question Value.\r | |
892 | //\r | |
893 | if (Question->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {\r | |
816a7110 | 894 | GetQuestionValue (FormSet, Form, Question, GetSetValueWithHiiDriver);\r |
8d00a0f1 | 895 | }\r |
896 | \r | |
7936fb6a | 897 | return Question;\r |
898 | }\r | |
899 | \r | |
900 | Link = GetNextNode (&FormSet->FormListHead, Link);\r | |
901 | }\r | |
902 | \r | |
903 | return NULL;\r | |
904 | }\r | |
905 | \r | |
906 | \r | |
907 | /**\r | |
908 | Get Expression given its RuleId.\r | |
909 | \r | |
910 | @param Form The form which contains this Expression.\r | |
911 | @param RuleId Id of this Expression.\r | |
912 | \r | |
913 | @retval Pointer The Expression.\r | |
914 | @retval NULL Specified Expression not found in the form.\r | |
915 | \r | |
916 | **/\r | |
917 | FORM_EXPRESSION *\r | |
918 | RuleIdToExpression (\r | |
919 | IN FORM_BROWSER_FORM *Form,\r | |
920 | IN UINT8 RuleId\r | |
921 | )\r | |
922 | {\r | |
923 | LIST_ENTRY *Link;\r | |
924 | FORM_EXPRESSION *Expression;\r | |
925 | \r | |
926 | Link = GetFirstNode (&Form->ExpressionListHead);\r | |
927 | while (!IsNull (&Form->ExpressionListHead, Link)) {\r | |
928 | Expression = FORM_EXPRESSION_FROM_LINK (Link);\r | |
929 | \r | |
930 | if (Expression->Type == EFI_HII_EXPRESSION_RULE && Expression->RuleId == RuleId) {\r | |
931 | return Expression;\r | |
932 | }\r | |
933 | \r | |
934 | Link = GetNextNode (&Form->ExpressionListHead, Link);\r | |
935 | }\r | |
936 | \r | |
937 | return NULL;\r | |
938 | }\r | |
939 | \r | |
940 | \r | |
941 | /**\r | |
942 | Locate the Unicode Collation Protocol interface for later use.\r | |
943 | \r | |
944 | @retval EFI_SUCCESS Protocol interface initialize success.\r | |
945 | @retval Other Protocol interface initialize failed.\r | |
946 | \r | |
947 | **/\r | |
948 | EFI_STATUS\r | |
949 | InitializeUnicodeCollationProtocol (\r | |
950 | VOID\r | |
951 | )\r | |
952 | {\r | |
953 | EFI_STATUS Status;\r | |
954 | \r | |
955 | if (mUnicodeCollation != NULL) {\r | |
956 | return EFI_SUCCESS;\r | |
957 | }\r | |
958 | \r | |
959 | //\r | |
960 | // BUGBUG: Proper impelmentation is to locate all Unicode Collation Protocol\r | |
961 | // instances first and then select one which support English language.\r | |
962 | // Current implementation just pick the first instance.\r | |
963 | //\r | |
964 | Status = gBS->LocateProtocol (\r | |
965 | &gEfiUnicodeCollation2ProtocolGuid,\r | |
966 | NULL,\r | |
967 | (VOID **) &mUnicodeCollation\r | |
968 | );\r | |
969 | return Status;\r | |
970 | }\r | |
971 | \r | |
972 | /**\r | |
973 | Convert the input Unicode character to upper.\r | |
974 | \r | |
975 | @param String Th Unicode character to be converted.\r | |
976 | \r | |
977 | **/\r | |
978 | VOID\r | |
979 | IfrStrToUpper (\r | |
8b0fc5c1 | 980 | IN CHAR16 *String\r |
7936fb6a | 981 | )\r |
982 | {\r | |
983 | while (*String != 0) {\r | |
984 | if ((*String >= 'a') && (*String <= 'z')) {\r | |
985 | *String = (UINT16) ((*String) & ((UINT16) ~0x20));\r | |
986 | }\r | |
987 | String++;\r | |
988 | }\r | |
989 | }\r | |
990 | \r | |
40578d09 ED |
991 | /**\r |
992 | Check whether this value type can be transfer to EFI_IFR_TYPE_BUFFER type.\r | |
993 | \r | |
994 | EFI_IFR_TYPE_REF, EFI_IFR_TYPE_DATE and EFI_IFR_TYPE_TIME are converted to \r | |
995 | EFI_IFR_TYPE_BUFFER when do the value compare.\r | |
996 | \r | |
997 | @param Value Expression value to compare on.\r | |
998 | \r | |
999 | @retval TRUE This value type can be transter to EFI_IFR_TYPE_BUFFER type.\r | |
1000 | @retval FALSE This value type can't be transter to EFI_IFR_TYPE_BUFFER type.\r | |
1001 | \r | |
1002 | **/\r | |
1003 | BOOLEAN\r | |
1004 | IsTypeInBuffer (\r | |
1005 | IN EFI_HII_VALUE *Value\r | |
1006 | )\r | |
1007 | {\r | |
1008 | switch (Value->Type) {\r | |
1009 | case EFI_IFR_TYPE_BUFFER:\r | |
1010 | case EFI_IFR_TYPE_DATE:\r | |
1011 | case EFI_IFR_TYPE_TIME:\r | |
1012 | case EFI_IFR_TYPE_REF:\r | |
1013 | return TRUE;\r | |
1014 | \r | |
1015 | default:\r | |
1016 | return FALSE;\r | |
1017 | }\r | |
1018 | }\r | |
1019 | \r | |
1020 | /**\r | |
1021 | Check whether this value type can be transfer to EFI_IFR_TYPE_UINT64\r | |
1022 | \r | |
1023 | @param Value Expression value to compare on.\r | |
1024 | \r | |
1025 | @retval TRUE This value type can be transter to EFI_IFR_TYPE_BUFFER type.\r | |
1026 | @retval FALSE This value type can't be transter to EFI_IFR_TYPE_BUFFER type.\r | |
1027 | \r | |
1028 | **/\r | |
1029 | BOOLEAN\r | |
1030 | IsTypeInUINT64 (\r | |
1031 | IN EFI_HII_VALUE *Value\r | |
1032 | )\r | |
1033 | {\r | |
1034 | switch (Value->Type) {\r | |
1035 | case EFI_IFR_TYPE_NUM_SIZE_8:\r | |
1036 | case EFI_IFR_TYPE_NUM_SIZE_16:\r | |
1037 | case EFI_IFR_TYPE_NUM_SIZE_32:\r | |
1038 | case EFI_IFR_TYPE_NUM_SIZE_64:\r | |
1039 | case EFI_IFR_TYPE_BOOLEAN:\r | |
1040 | return TRUE;\r | |
1041 | \r | |
1042 | default:\r | |
1043 | return FALSE;\r | |
1044 | }\r | |
1045 | }\r | |
1046 | \r | |
1047 | /**\r | |
1048 | Return the buffer length for this value.\r | |
1049 | \r | |
1050 | EFI_IFR_TYPE_REF, EFI_IFR_TYPE_DATE and EFI_IFR_TYPE_TIME are converted to \r | |
1051 | EFI_IFR_TYPE_BUFFER when do the value compare.\r | |
1052 | \r | |
1053 | @param Value Expression value to compare on.\r | |
1054 | \r | |
1055 | @retval BufLen Return the buffer length.\r | |
1056 | \r | |
1057 | **/\r | |
1058 | UINT16\r | |
1059 | GetLengthForValue (\r | |
1060 | IN EFI_HII_VALUE *Value\r | |
1061 | )\r | |
1062 | {\r | |
1063 | switch (Value->Type) {\r | |
1064 | case EFI_IFR_TYPE_BUFFER:\r | |
1065 | return Value->BufferLen;\r | |
1066 | \r | |
1067 | case EFI_IFR_TYPE_DATE:\r | |
1068 | return (UINT16) sizeof (EFI_HII_DATE);\r | |
1069 | \r | |
1070 | case EFI_IFR_TYPE_TIME:\r | |
1071 | return (UINT16) sizeof (EFI_HII_TIME);\r | |
1072 | \r | |
1073 | case EFI_IFR_TYPE_REF:\r | |
1074 | return (UINT16) sizeof (EFI_HII_REF);\r | |
1075 | \r | |
1076 | default:\r | |
1077 | return 0;\r | |
1078 | }\r | |
1079 | }\r | |
1080 | \r | |
1081 | /**\r | |
1082 | Return the buffer pointer for this value.\r | |
1083 | \r | |
1084 | EFI_IFR_TYPE_REF, EFI_IFR_TYPE_DATE and EFI_IFR_TYPE_TIME are converted to \r | |
1085 | EFI_IFR_TYPE_BUFFER when do the value compare.\r | |
1086 | \r | |
1087 | @param Value Expression value to compare on.\r | |
1088 | \r | |
1089 | @retval Buf Return the buffer pointer.\r | |
1090 | \r | |
1091 | **/\r | |
1092 | UINT8 *\r | |
1093 | GetBufferForValue (\r | |
1094 | IN EFI_HII_VALUE *Value\r | |
1095 | )\r | |
1096 | {\r | |
1097 | switch (Value->Type) {\r | |
1098 | case EFI_IFR_TYPE_BUFFER:\r | |
1099 | return Value->Buffer;\r | |
1100 | \r | |
1101 | case EFI_IFR_TYPE_DATE:\r | |
1102 | return (UINT8 *) (&Value->Value.date);\r | |
1103 | \r | |
1104 | case EFI_IFR_TYPE_TIME:\r | |
1105 | return (UINT8 *) (&Value->Value.time);\r | |
1106 | \r | |
1107 | case EFI_IFR_TYPE_REF:\r | |
1108 | return (UINT8 *) (&Value->Value.ref);\r | |
1109 | \r | |
1110 | default:\r | |
1111 | return NULL;\r | |
1112 | }\r | |
1113 | }\r | |
7936fb6a | 1114 | \r |
1115 | /**\r | |
1116 | Evaluate opcode EFI_IFR_TO_STRING.\r | |
1117 | \r | |
1118 | @param FormSet Formset which contains this opcode.\r | |
1119 | @param Format String format in EFI_IFR_TO_STRING.\r | |
1120 | @param Result Evaluation result for this opcode.\r | |
1121 | \r | |
1122 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1123 | @retval Other Opcode evaluation failed.\r | |
1124 | \r | |
1125 | **/\r | |
1126 | EFI_STATUS\r | |
1127 | IfrToString (\r | |
1128 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1129 | IN UINT8 Format,\r | |
1130 | OUT EFI_HII_VALUE *Result\r | |
1131 | )\r | |
1132 | {\r | |
1133 | EFI_STATUS Status;\r | |
1134 | EFI_HII_VALUE Value;\r | |
1135 | CHAR16 *String;\r | |
1136 | CHAR16 *PrintFormat;\r | |
1137 | CHAR16 Buffer[MAXIMUM_VALUE_CHARACTERS];\r | |
901ba0e7 | 1138 | UINT8 *TmpBuf;\r |
40578d09 ED |
1139 | UINT8 *SrcBuf;\r |
1140 | UINTN SrcLen;\r | |
7936fb6a | 1141 | UINTN BufferSize;\r |
1142 | \r | |
1143 | Status = PopExpression (&Value);\r | |
1144 | if (EFI_ERROR (Status)) {\r | |
1145 | return Status;\r | |
1146 | }\r | |
1147 | \r | |
1148 | switch (Value.Type) {\r | |
1149 | case EFI_IFR_TYPE_NUM_SIZE_8:\r | |
1150 | case EFI_IFR_TYPE_NUM_SIZE_16:\r | |
1151 | case EFI_IFR_TYPE_NUM_SIZE_32:\r | |
1152 | case EFI_IFR_TYPE_NUM_SIZE_64:\r | |
1153 | BufferSize = MAXIMUM_VALUE_CHARACTERS * sizeof (CHAR16);\r | |
1154 | switch (Format) {\r | |
1155 | case EFI_IFR_STRING_UNSIGNED_DEC:\r | |
1156 | case EFI_IFR_STRING_SIGNED_DEC:\r | |
1157 | PrintFormat = L"%ld";\r | |
1158 | break;\r | |
1159 | \r | |
1160 | case EFI_IFR_STRING_LOWERCASE_HEX:\r | |
1161 | PrintFormat = L"%lx";\r | |
1162 | break;\r | |
1163 | \r | |
1164 | case EFI_IFR_STRING_UPPERCASE_HEX:\r | |
1165 | PrintFormat = L"%lX";\r | |
1166 | break;\r | |
1167 | \r | |
1168 | default:\r | |
8f420676 ED |
1169 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1170 | return EFI_SUCCESS;\r | |
7936fb6a | 1171 | }\r |
1172 | UnicodeSPrint (Buffer, BufferSize, PrintFormat, Value.Value.u64);\r | |
1173 | String = Buffer;\r | |
1174 | break;\r | |
1175 | \r | |
1176 | case EFI_IFR_TYPE_STRING:\r | |
1177 | CopyMem (Result, &Value, sizeof (EFI_HII_VALUE));\r | |
1178 | return EFI_SUCCESS;\r | |
1179 | \r | |
1180 | case EFI_IFR_TYPE_BOOLEAN:\r | |
1181 | String = (Value.Value.b) ? L"True" : L"False";\r | |
1182 | break;\r | |
901ba0e7 ED |
1183 | \r |
1184 | case EFI_IFR_TYPE_BUFFER:\r | |
40578d09 ED |
1185 | case EFI_IFR_TYPE_DATE:\r |
1186 | case EFI_IFR_TYPE_TIME:\r | |
1187 | case EFI_IFR_TYPE_REF:\r | |
901ba0e7 ED |
1188 | //\r |
1189 | // + 3 is base on the unicode format, the length may be odd number, \r | |
1190 | // so need 1 byte to align, also need 2 bytes for L'\0'.\r | |
1191 | //\r | |
40578d09 ED |
1192 | if (Value.Type == EFI_IFR_TYPE_BUFFER) {\r |
1193 | SrcLen = Value.BufferLen;\r | |
1194 | SrcBuf = Value.Buffer;\r | |
1195 | } else {\r | |
1196 | SrcBuf = GetBufferForValue(&Value);\r | |
1197 | SrcLen = GetLengthForValue(&Value);\r | |
1198 | }\r | |
1199 | \r | |
1200 | TmpBuf = AllocateZeroPool (SrcLen + 3);\r | |
db40504e | 1201 | ASSERT (TmpBuf != NULL);\r |
901ba0e7 | 1202 | if (Format == EFI_IFR_STRING_ASCII) {\r |
40578d09 | 1203 | CopyMem (TmpBuf, SrcBuf, SrcLen);\r |
901ba0e7 ED |
1204 | PrintFormat = L"%a"; \r |
1205 | } else {\r | |
1206 | // Format == EFI_IFR_STRING_UNICODE\r | |
40578d09 | 1207 | CopyMem (TmpBuf, SrcBuf, SrcLen * sizeof (CHAR16));\r |
901ba0e7 ED |
1208 | PrintFormat = L"%s"; \r |
1209 | }\r | |
40578d09 | 1210 | UnicodeSPrint (Buffer, sizeof (Buffer), PrintFormat, TmpBuf);\r |
901ba0e7 ED |
1211 | String = Buffer; \r |
1212 | FreePool (TmpBuf);\r | |
40578d09 ED |
1213 | if (Value.Type == EFI_IFR_TYPE_BUFFER) {\r |
1214 | FreePool (Value.Buffer);\r | |
1215 | }\r | |
901ba0e7 ED |
1216 | break;\r |
1217 | \r | |
7936fb6a | 1218 | default:\r |
8f420676 ED |
1219 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1220 | return EFI_SUCCESS;\r | |
7936fb6a | 1221 | }\r |
1222 | \r | |
1223 | Result->Type = EFI_IFR_TYPE_STRING;\r | |
1224 | Result->Value.string = NewString (String, FormSet->HiiHandle);\r | |
1225 | return EFI_SUCCESS;\r | |
1226 | }\r | |
1227 | \r | |
1228 | \r | |
1229 | /**\r | |
1230 | Evaluate opcode EFI_IFR_TO_UINT.\r | |
1231 | \r | |
1232 | @param FormSet Formset which contains this opcode.\r | |
1233 | @param Result Evaluation result for this opcode.\r | |
1234 | \r | |
1235 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1236 | @retval Other Opcode evaluation failed.\r | |
1237 | \r | |
1238 | **/\r | |
1239 | EFI_STATUS\r | |
1240 | IfrToUint (\r | |
1241 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1242 | OUT EFI_HII_VALUE *Result\r | |
1243 | )\r | |
1244 | {\r | |
1245 | EFI_STATUS Status;\r | |
1246 | EFI_HII_VALUE Value;\r | |
1247 | CHAR16 *String;\r | |
1248 | CHAR16 *StringPtr;\r | |
7936fb6a | 1249 | \r |
1250 | Status = PopExpression (&Value);\r | |
1251 | if (EFI_ERROR (Status)) {\r | |
1252 | return Status;\r | |
1253 | }\r | |
1254 | \r | |
40578d09 | 1255 | if (Value.Type >= EFI_IFR_TYPE_OTHER && !IsTypeInBuffer(&Value)) {\r |
8f420676 ED |
1256 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1257 | return EFI_SUCCESS;\r | |
7936fb6a | 1258 | }\r |
1259 | \r | |
1260 | Status = EFI_SUCCESS;\r | |
1261 | if (Value.Type == EFI_IFR_TYPE_STRING) {\r | |
1262 | String = GetToken (Value.Value.string, FormSet->HiiHandle);\r | |
1263 | if (String == NULL) {\r | |
1264 | return EFI_NOT_FOUND;\r | |
1265 | }\r | |
8b0fc5c1 | 1266 | \r |
7936fb6a | 1267 | IfrStrToUpper (String);\r |
1268 | StringPtr = StrStr (String, L"0X");\r | |
1269 | if (StringPtr != NULL) {\r | |
1270 | //\r | |
1271 | // Hex string\r | |
1272 | //\r | |
ac7e320c | 1273 | Result->Value.u64 = StrHexToUint64 (String);\r |
7936fb6a | 1274 | } else {\r |
1275 | //\r | |
ac7e320c | 1276 | // decimal string\r |
7936fb6a | 1277 | //\r |
ac7e320c | 1278 | Result->Value.u64 = StrDecimalToUint64 (String);\r |
7936fb6a | 1279 | }\r |
f4113e1f | 1280 | FreePool (String);\r |
40578d09 ED |
1281 | } else if (IsTypeInBuffer(&Value)) {\r |
1282 | if (GetLengthForValue (&Value) > 8) {\r | |
1283 | if (Value.Type == EFI_IFR_TYPE_BUFFER) {\r | |
1284 | FreePool (Value.Buffer);\r | |
1285 | }\r | |
8f420676 ED |
1286 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1287 | return EFI_SUCCESS;\r | |
901ba0e7 | 1288 | }\r |
40578d09 ED |
1289 | Result->Value.u64 = *(UINT64*) GetBufferForValue (&Value);\r |
1290 | if (Value.Type == EFI_IFR_TYPE_BUFFER) {\r | |
1291 | FreePool (Value.Buffer);\r | |
1292 | }\r | |
7936fb6a | 1293 | } else {\r |
1294 | CopyMem (Result, &Value, sizeof (EFI_HII_VALUE));\r | |
1295 | }\r | |
1296 | \r | |
1297 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
1298 | return Status;\r | |
1299 | }\r | |
1300 | \r | |
1301 | \r | |
1302 | /**\r | |
1303 | Evaluate opcode EFI_IFR_CATENATE.\r | |
1304 | \r | |
1305 | @param FormSet Formset which contains this opcode.\r | |
1306 | @param Result Evaluation result for this opcode.\r | |
1307 | \r | |
1308 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1309 | @retval Other Opcode evaluation failed.\r | |
1310 | \r | |
1311 | **/\r | |
1312 | EFI_STATUS\r | |
1313 | IfrCatenate (\r | |
1314 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1315 | OUT EFI_HII_VALUE *Result\r | |
1316 | )\r | |
1317 | {\r | |
1318 | EFI_STATUS Status;\r | |
901ba0e7 | 1319 | EFI_HII_VALUE Value[2];\r |
7936fb6a | 1320 | CHAR16 *String[2];\r |
1321 | UINTN Index;\r | |
1322 | CHAR16 *StringPtr;\r | |
1323 | UINTN Size;\r | |
40578d09 ED |
1324 | UINT16 Length0;\r |
1325 | UINT16 Length1;\r | |
7936fb6a | 1326 | \r |
1327 | //\r | |
1328 | // String[0] - The second string\r | |
1329 | // String[1] - The first string\r | |
1330 | //\r | |
1331 | String[0] = NULL;\r | |
1332 | String[1] = NULL;\r | |
1333 | StringPtr = NULL;\r | |
1334 | Status = EFI_SUCCESS;\r | |
901ba0e7 | 1335 | ZeroMem (Value, sizeof (Value));\r |
7936fb6a | 1336 | \r |
8f420676 ED |
1337 | Status = PopExpression (&Value[0]);\r |
1338 | if (EFI_ERROR (Status)) {\r | |
1339 | goto Done;\r | |
1340 | }\r | |
1341 | \r | |
1342 | Status = PopExpression (&Value[1]);\r | |
1343 | if (EFI_ERROR (Status)) {\r | |
1344 | goto Done;\r | |
1345 | }\r | |
7936fb6a | 1346 | \r |
8f420676 | 1347 | for (Index = 0; Index < 2; Index++) {\r |
40578d09 | 1348 | if (Value[Index].Type != EFI_IFR_TYPE_STRING && !IsTypeInBuffer(&Value[Index])) {\r |
8f420676 ED |
1349 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1350 | Status = EFI_SUCCESS;\r | |
7936fb6a | 1351 | goto Done;\r |
1352 | }\r | |
1353 | \r | |
901ba0e7 ED |
1354 | if (Value[Index].Type == EFI_IFR_TYPE_STRING) {\r |
1355 | String[Index] = GetToken (Value[Index].Value.string, FormSet->HiiHandle);\r | |
1356 | if (String[Index] == NULL) {\r | |
1357 | Status = EFI_NOT_FOUND;\r | |
1358 | goto Done;\r | |
1359 | }\r | |
7936fb6a | 1360 | }\r |
1361 | }\r | |
1362 | \r | |
901ba0e7 ED |
1363 | if (Value[0].Type == EFI_IFR_TYPE_STRING) {\r |
1364 | Size = StrSize (String[0]);\r | |
1365 | StringPtr= AllocatePool (StrSize (String[1]) + Size);\r | |
1366 | ASSERT (StringPtr != NULL);\r | |
1367 | StrCpy (StringPtr, String[1]);\r | |
1368 | StrCat (StringPtr, String[0]);\r | |
7936fb6a | 1369 | \r |
901ba0e7 ED |
1370 | Result->Type = EFI_IFR_TYPE_STRING;\r |
1371 | Result->Value.string = NewString (StringPtr, FormSet->HiiHandle);\r | |
1372 | } else {\r | |
1373 | Result->Type = EFI_IFR_TYPE_BUFFER;\r | |
40578d09 ED |
1374 | Length0 = GetLengthForValue(&Value[0]);\r |
1375 | Length1 = GetLengthForValue(&Value[1]);\r | |
1376 | Result->BufferLen = (UINT16) (Length0 + Length1);\r | |
901ba0e7 ED |
1377 | \r |
1378 | Result->Buffer = AllocateZeroPool (Result->BufferLen);\r | |
1379 | ASSERT (Result->Buffer != NULL);\r | |
7936fb6a | 1380 | \r |
40578d09 ED |
1381 | CopyMem (Result->Buffer, GetBufferForValue(&Value[0]), Length0);\r |
1382 | CopyMem (&Result->Buffer[Length0], GetBufferForValue(&Value[1]), Length1);\r | |
901ba0e7 | 1383 | }\r |
7936fb6a | 1384 | Done:\r |
901ba0e7 ED |
1385 | if (Value[0].Buffer != NULL) {\r |
1386 | FreePool (Value[0].Buffer);\r | |
1387 | }\r | |
1388 | if (Value[1].Buffer != NULL) {\r | |
1389 | FreePool (Value[1].Buffer);\r | |
1390 | }\r | |
676df92c | 1391 | if (String[0] != NULL) {\r |
1392 | FreePool (String[0]);\r | |
1393 | }\r | |
1394 | if (String[1] != NULL) {\r | |
1395 | FreePool (String[1]);\r | |
8b0fc5c1 | 1396 | }\r |
676df92c | 1397 | if (StringPtr != NULL) {\r |
1398 | FreePool (StringPtr);\r | |
1399 | }\r | |
7936fb6a | 1400 | \r |
1401 | return Status;\r | |
1402 | }\r | |
1403 | \r | |
1404 | \r | |
1405 | /**\r | |
1406 | Evaluate opcode EFI_IFR_MATCH.\r | |
1407 | \r | |
1408 | @param FormSet Formset which contains this opcode.\r | |
1409 | @param Result Evaluation result for this opcode.\r | |
1410 | \r | |
1411 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1412 | @retval Other Opcode evaluation failed.\r | |
1413 | \r | |
1414 | **/\r | |
1415 | EFI_STATUS\r | |
1416 | IfrMatch (\r | |
1417 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1418 | OUT EFI_HII_VALUE *Result\r | |
1419 | )\r | |
1420 | {\r | |
1421 | EFI_STATUS Status;\r | |
8f420676 | 1422 | EFI_HII_VALUE Value[2];\r |
7936fb6a | 1423 | CHAR16 *String[2];\r |
1424 | UINTN Index;\r | |
1425 | \r | |
1426 | //\r | |
1427 | // String[0] - The string to search\r | |
1428 | // String[1] - pattern\r | |
1429 | //\r | |
1430 | String[0] = NULL;\r | |
1431 | String[1] = NULL;\r | |
1432 | Status = EFI_SUCCESS;\r | |
8f420676 ED |
1433 | ZeroMem (Value, sizeof (Value));\r |
1434 | \r | |
1435 | Status = PopExpression (&Value[0]);\r | |
1436 | if (EFI_ERROR (Status)) {\r | |
1437 | goto Done;\r | |
1438 | }\r | |
1439 | \r | |
1440 | Status = PopExpression (&Value[1]);\r | |
1441 | if (EFI_ERROR (Status)) {\r | |
1442 | goto Done;\r | |
1443 | }\r | |
7936fb6a | 1444 | \r |
8f420676 ED |
1445 | for (Index = 0; Index < 2; Index++) {\r |
1446 | if (Value[Index].Type != EFI_IFR_TYPE_STRING) {\r | |
1447 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1448 | Status = EFI_SUCCESS;\r | |
7936fb6a | 1449 | goto Done;\r |
1450 | }\r | |
1451 | \r | |
8f420676 | 1452 | String[Index] = GetToken (Value[Index].Value.string, FormSet->HiiHandle);\r |
bc166db3 | 1453 | if (String [Index] == NULL) {\r |
7936fb6a | 1454 | Status = EFI_NOT_FOUND;\r |
1455 | goto Done;\r | |
1456 | }\r | |
1457 | }\r | |
1458 | \r | |
1459 | Result->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
1460 | Result->Value.b = mUnicodeCollation->MetaiMatch (mUnicodeCollation, String[0], String[1]);\r | |
1461 | \r | |
1462 | Done:\r | |
676df92c | 1463 | if (String[0] != NULL) {\r |
1464 | FreePool (String[0]);\r | |
1465 | }\r | |
1466 | if (String[1] != NULL) {\r | |
1467 | FreePool (String[1]);\r | |
8b0fc5c1 | 1468 | }\r |
7936fb6a | 1469 | \r |
1470 | return Status;\r | |
1471 | }\r | |
1472 | \r | |
1473 | \r | |
1474 | /**\r | |
1475 | Evaluate opcode EFI_IFR_FIND.\r | |
1476 | \r | |
1477 | @param FormSet Formset which contains this opcode.\r | |
1478 | @param Format Case sensitive or insensitive.\r | |
1479 | @param Result Evaluation result for this opcode.\r | |
1480 | \r | |
1481 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1482 | @retval Other Opcode evaluation failed.\r | |
1483 | \r | |
1484 | **/\r | |
1485 | EFI_STATUS\r | |
1486 | IfrFind (\r | |
1487 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1488 | IN UINT8 Format,\r | |
1489 | OUT EFI_HII_VALUE *Result\r | |
1490 | )\r | |
1491 | {\r | |
1492 | EFI_STATUS Status;\r | |
8f420676 | 1493 | EFI_HII_VALUE Value[3];\r |
7936fb6a | 1494 | CHAR16 *String[2];\r |
1495 | UINTN Base;\r | |
1496 | CHAR16 *StringPtr;\r | |
1497 | UINTN Index;\r | |
1498 | \r | |
8f420676 ED |
1499 | ZeroMem (Value, sizeof (Value));\r |
1500 | \r | |
7936fb6a | 1501 | if (Format > EFI_IFR_FF_CASE_INSENSITIVE) {\r |
8f420676 | 1502 | return EFI_INVALID_PARAMETER;\r |
7936fb6a | 1503 | }\r |
1504 | \r | |
8f420676 ED |
1505 | Status = PopExpression (&Value[0]);\r |
1506 | if (EFI_ERROR (Status)) {\r | |
1507 | return Status;\r | |
1508 | }\r | |
1509 | \r | |
1510 | Status = PopExpression (&Value[1]);\r | |
7936fb6a | 1511 | if (EFI_ERROR (Status)) {\r |
1512 | return Status;\r | |
1513 | }\r | |
8f420676 ED |
1514 | \r |
1515 | Status = PopExpression (&Value[2]);\r | |
1516 | if (EFI_ERROR (Status)) {\r | |
1517 | return Status;\r | |
1518 | } \r | |
1519 | \r | |
1520 | if (Value[0].Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1521 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1522 | return EFI_SUCCESS;\r | |
7936fb6a | 1523 | }\r |
8f420676 | 1524 | Base = (UINTN) Value[0].Value.u64;\r |
7936fb6a | 1525 | \r |
1526 | //\r | |
1527 | // String[0] - sub-string\r | |
1528 | // String[1] - The string to search\r | |
1529 | //\r | |
1530 | String[0] = NULL;\r | |
1531 | String[1] = NULL;\r | |
1532 | for (Index = 0; Index < 2; Index++) {\r | |
8f420676 ED |
1533 | if (Value[Index + 1].Type != EFI_IFR_TYPE_STRING) {\r |
1534 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1535 | Status = EFI_SUCCESS;\r | |
7936fb6a | 1536 | goto Done;\r |
1537 | }\r | |
1538 | \r | |
8f420676 | 1539 | String[Index] = GetToken (Value[Index + 1].Value.string, FormSet->HiiHandle);\r |
d0720b57 | 1540 | if (String[Index] == NULL) {\r |
7936fb6a | 1541 | Status = EFI_NOT_FOUND;\r |
1542 | goto Done;\r | |
1543 | }\r | |
1544 | \r | |
1545 | if (Format == EFI_IFR_FF_CASE_INSENSITIVE) {\r | |
1546 | //\r | |
1547 | // Case insensitive, convert both string to upper case\r | |
1548 | //\r | |
1549 | IfrStrToUpper (String[Index]);\r | |
1550 | }\r | |
1551 | }\r | |
1552 | \r | |
1553 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
1554 | if (Base >= StrLen (String[1])) {\r | |
1555 | Result->Value.u64 = 0xFFFFFFFFFFFFFFFFULL;\r | |
1556 | } else {\r | |
1557 | StringPtr = StrStr (String[1] + Base, String[0]);\r | |
1558 | Result->Value.u64 = (StringPtr == NULL) ? 0xFFFFFFFFFFFFFFFFULL : (StringPtr - String[1]);\r | |
1559 | }\r | |
1560 | \r | |
1561 | Done:\r | |
676df92c | 1562 | if (String[0] != NULL) {\r |
1563 | FreePool (String[0]);\r | |
1564 | }\r | |
1565 | if (String[1] != NULL) {\r | |
1566 | FreePool (String[1]);\r | |
8b0fc5c1 | 1567 | }\r |
7936fb6a | 1568 | \r |
1569 | return Status;\r | |
1570 | }\r | |
1571 | \r | |
1572 | \r | |
1573 | /**\r | |
1574 | Evaluate opcode EFI_IFR_MID.\r | |
1575 | \r | |
1576 | @param FormSet Formset which contains this opcode.\r | |
1577 | @param Result Evaluation result for this opcode.\r | |
1578 | \r | |
1579 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1580 | @retval Other Opcode evaluation failed.\r | |
1581 | \r | |
1582 | **/\r | |
1583 | EFI_STATUS\r | |
1584 | IfrMid (\r | |
1585 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1586 | OUT EFI_HII_VALUE *Result\r | |
1587 | )\r | |
1588 | {\r | |
1589 | EFI_STATUS Status;\r | |
8f420676 | 1590 | EFI_HII_VALUE Value[3];\r |
7936fb6a | 1591 | CHAR16 *String;\r |
1592 | UINTN Base;\r | |
1593 | UINTN Length;\r | |
1594 | CHAR16 *SubString;\r | |
901ba0e7 | 1595 | UINT16 BufferLen;\r |
40578d09 | 1596 | UINT8 *Buffer;\r |
7936fb6a | 1597 | \r |
8f420676 ED |
1598 | ZeroMem (Value, sizeof (Value));\r |
1599 | \r | |
1600 | Status = PopExpression (&Value[0]);\r | |
7936fb6a | 1601 | if (EFI_ERROR (Status)) {\r |
1602 | return Status;\r | |
1603 | }\r | |
7936fb6a | 1604 | \r |
8f420676 | 1605 | Status = PopExpression (&Value[1]);\r |
7936fb6a | 1606 | if (EFI_ERROR (Status)) {\r |
1607 | return Status;\r | |
1608 | }\r | |
7936fb6a | 1609 | \r |
8f420676 | 1610 | Status = PopExpression (&Value[2]);\r |
7936fb6a | 1611 | if (EFI_ERROR (Status)) {\r |
1612 | return Status;\r | |
8f420676 ED |
1613 | } \r |
1614 | \r | |
1615 | if (Value[0].Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1616 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1617 | return EFI_SUCCESS;\r | |
7936fb6a | 1618 | }\r |
8f420676 ED |
1619 | Length = (UINTN) Value[0].Value.u64;\r |
1620 | \r | |
1621 | if (Value[1].Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1622 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1623 | return EFI_SUCCESS;\r | |
7936fb6a | 1624 | }\r |
8f420676 ED |
1625 | Base = (UINTN) Value[1].Value.u64;\r |
1626 | \r | |
40578d09 | 1627 | if (Value[2].Type != EFI_IFR_TYPE_STRING && !IsTypeInBuffer(&Value[2])) {\r |
8f420676 ED |
1628 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1629 | return EFI_SUCCESS;\r | |
1630 | }\r | |
1631 | if (Value[2].Type == EFI_IFR_TYPE_STRING) {\r | |
1632 | String = GetToken (Value[2].Value.string, FormSet->HiiHandle);\r | |
901ba0e7 ED |
1633 | if (String == NULL) {\r |
1634 | return EFI_NOT_FOUND;\r | |
1635 | }\r | |
7936fb6a | 1636 | \r |
901ba0e7 ED |
1637 | if (Length == 0 || Base >= StrLen (String)) {\r |
1638 | SubString = gEmptyString;\r | |
1639 | } else {\r | |
1640 | SubString = String + Base;\r | |
1641 | if ((Base + Length) < StrLen (String)) {\r | |
1642 | SubString[Length] = L'\0';\r | |
1643 | }\r | |
7936fb6a | 1644 | }\r |
7936fb6a | 1645 | \r |
901ba0e7 ED |
1646 | Result->Type = EFI_IFR_TYPE_STRING;\r |
1647 | Result->Value.string = NewString (SubString, FormSet->HiiHandle);\r | |
7936fb6a | 1648 | \r |
901ba0e7 ED |
1649 | FreePool (String);\r |
1650 | } else {\r | |
40578d09 ED |
1651 | BufferLen = GetLengthForValue (&Value[2]);\r |
1652 | Buffer = GetBufferForValue (&Value[2]);\r | |
1653 | \r | |
901ba0e7 ED |
1654 | Result->Type = EFI_IFR_TYPE_BUFFER;\r |
1655 | if (Length == 0 || Base >= BufferLen) {\r | |
1656 | Result->BufferLen = 0;\r | |
1657 | Result->Buffer = NULL;\r | |
1658 | } else {\r | |
1659 | Result->BufferLen = (UINT16)((BufferLen - Base) < Length ? (BufferLen - Base) : Length); \r | |
1660 | Result->Buffer = AllocateZeroPool (Result->BufferLen);\r | |
1661 | ASSERT (Result->Buffer != NULL);\r | |
40578d09 | 1662 | CopyMem (Result->Buffer, &Buffer[Base], Result->BufferLen);\r |
901ba0e7 | 1663 | }\r |
7936fb6a | 1664 | \r |
40578d09 ED |
1665 | if (Value[2].Type == EFI_IFR_TYPE_BUFFER) {\r |
1666 | FreePool (Value[2].Buffer);\r | |
1667 | }\r | |
901ba0e7 ED |
1668 | }\r |
1669 | \r | |
7936fb6a | 1670 | return Status;\r |
1671 | }\r | |
1672 | \r | |
1673 | \r | |
1674 | /**\r | |
1675 | Evaluate opcode EFI_IFR_TOKEN.\r | |
1676 | \r | |
1677 | @param FormSet Formset which contains this opcode.\r | |
1678 | @param Result Evaluation result for this opcode.\r | |
1679 | \r | |
1680 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1681 | @retval Other Opcode evaluation failed.\r | |
1682 | \r | |
1683 | **/\r | |
1684 | EFI_STATUS\r | |
1685 | IfrToken (\r | |
1686 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1687 | OUT EFI_HII_VALUE *Result\r | |
1688 | )\r | |
1689 | {\r | |
1690 | EFI_STATUS Status;\r | |
8f420676 | 1691 | EFI_HII_VALUE Value[3];\r |
7936fb6a | 1692 | CHAR16 *String[2];\r |
1693 | UINTN Count;\r | |
1694 | CHAR16 *Delimiter;\r | |
1695 | CHAR16 *SubString;\r | |
1696 | CHAR16 *StringPtr;\r | |
1697 | UINTN Index;\r | |
1698 | \r | |
8f420676 ED |
1699 | ZeroMem (Value, sizeof (Value));\r |
1700 | \r | |
1701 | Status = PopExpression (&Value[0]);\r | |
1702 | if (EFI_ERROR (Status)) {\r | |
1703 | return Status;\r | |
1704 | }\r | |
1705 | \r | |
1706 | Status = PopExpression (&Value[1]);\r | |
7936fb6a | 1707 | if (EFI_ERROR (Status)) {\r |
1708 | return Status;\r | |
1709 | }\r | |
8f420676 ED |
1710 | \r |
1711 | Status = PopExpression (&Value[2]);\r | |
1712 | if (EFI_ERROR (Status)) {\r | |
1713 | return Status;\r | |
1714 | } \r | |
1715 | \r | |
1716 | if (Value[0].Type > EFI_IFR_TYPE_NUM_SIZE_64) { \r | |
1717 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1718 | return EFI_SUCCESS;\r | |
7936fb6a | 1719 | }\r |
8f420676 | 1720 | Count = (UINTN) Value[0].Value.u64;\r |
7936fb6a | 1721 | \r |
1722 | //\r | |
1723 | // String[0] - Delimiter\r | |
1724 | // String[1] - The string to search\r | |
1725 | //\r | |
1726 | String[0] = NULL;\r | |
1727 | String[1] = NULL;\r | |
1728 | for (Index = 0; Index < 2; Index++) {\r | |
8f420676 ED |
1729 | if (Value[Index + 1].Type != EFI_IFR_TYPE_STRING) {\r |
1730 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1731 | Status = EFI_SUCCESS; \r | |
7936fb6a | 1732 | goto Done;\r |
1733 | }\r | |
1734 | \r | |
8f420676 | 1735 | String[Index] = GetToken (Value[Index + 1].Value.string, FormSet->HiiHandle);\r |
d0720b57 | 1736 | if (String[Index] == NULL) {\r |
7936fb6a | 1737 | Status = EFI_NOT_FOUND;\r |
1738 | goto Done;\r | |
1739 | }\r | |
1740 | }\r | |
1741 | \r | |
1742 | Delimiter = String[0];\r | |
1743 | SubString = String[1];\r | |
1744 | while (Count > 0) {\r | |
1745 | SubString = StrStr (SubString, Delimiter);\r | |
1746 | if (SubString != NULL) {\r | |
1747 | //\r | |
1748 | // Skip over the delimiter\r | |
1749 | //\r | |
1750 | SubString = SubString + StrLen (Delimiter);\r | |
1751 | } else {\r | |
1752 | break;\r | |
1753 | }\r | |
1754 | Count--;\r | |
1755 | }\r | |
1756 | \r | |
1757 | if (SubString == NULL) {\r | |
1758 | //\r | |
1759 | // nth delimited sub-string not found, push an empty string\r | |
1760 | //\r | |
1761 | SubString = gEmptyString;\r | |
1762 | } else {\r | |
1763 | //\r | |
1764 | // Put a NULL terminator for nth delimited sub-string\r | |
1765 | //\r | |
1766 | StringPtr = StrStr (SubString, Delimiter);\r | |
1767 | if (StringPtr != NULL) {\r | |
1768 | *StringPtr = L'\0';\r | |
1769 | }\r | |
1770 | }\r | |
1771 | \r | |
1772 | Result->Type = EFI_IFR_TYPE_STRING;\r | |
1773 | Result->Value.string = NewString (SubString, FormSet->HiiHandle);\r | |
1774 | \r | |
1775 | Done:\r | |
676df92c | 1776 | if (String[0] != NULL) {\r |
1777 | FreePool (String[0]);\r | |
1778 | }\r | |
1779 | if (String[1] != NULL) {\r | |
1780 | FreePool (String[1]);\r | |
8b0fc5c1 | 1781 | }\r |
7936fb6a | 1782 | \r |
1783 | return Status;\r | |
1784 | }\r | |
1785 | \r | |
1786 | \r | |
1787 | /**\r | |
1788 | Evaluate opcode EFI_IFR_SPAN.\r | |
1789 | \r | |
1790 | @param FormSet Formset which contains this opcode.\r | |
1791 | @param Flags FIRST_MATCHING or FIRST_NON_MATCHING.\r | |
1792 | @param Result Evaluation result for this opcode.\r | |
1793 | \r | |
1794 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1795 | @retval Other Opcode evaluation failed.\r | |
1796 | \r | |
1797 | **/\r | |
1798 | EFI_STATUS\r | |
1799 | IfrSpan (\r | |
1800 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1801 | IN UINT8 Flags,\r | |
1802 | OUT EFI_HII_VALUE *Result\r | |
1803 | )\r | |
1804 | {\r | |
1805 | EFI_STATUS Status;\r | |
8f420676 | 1806 | EFI_HII_VALUE Value[3];\r |
7936fb6a | 1807 | CHAR16 *String[2];\r |
1808 | CHAR16 *Charset;\r | |
1809 | UINTN Base;\r | |
1810 | UINTN Index;\r | |
1811 | CHAR16 *StringPtr;\r | |
1812 | BOOLEAN Found;\r | |
1813 | \r | |
8f420676 ED |
1814 | ZeroMem (Value, sizeof (Value));\r |
1815 | \r | |
1816 | Status = PopExpression (&Value[0]);\r | |
1817 | if (EFI_ERROR (Status)) {\r | |
1818 | return Status;\r | |
1819 | }\r | |
1820 | \r | |
1821 | Status = PopExpression (&Value[1]);\r | |
7936fb6a | 1822 | if (EFI_ERROR (Status)) {\r |
1823 | return Status;\r | |
1824 | }\r | |
8f420676 ED |
1825 | \r |
1826 | Status = PopExpression (&Value[2]);\r | |
1827 | if (EFI_ERROR (Status)) {\r | |
1828 | return Status;\r | |
1829 | } \r | |
1830 | \r | |
1831 | if (Value[0].Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1832 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1833 | return EFI_SUCCESS;\r | |
7936fb6a | 1834 | }\r |
8f420676 | 1835 | Base = (UINTN) Value[0].Value.u64;\r |
7936fb6a | 1836 | \r |
1837 | //\r | |
1838 | // String[0] - Charset\r | |
1839 | // String[1] - The string to search\r | |
1840 | //\r | |
1841 | String[0] = NULL;\r | |
1842 | String[1] = NULL;\r | |
1843 | for (Index = 0; Index < 2; Index++) {\r | |
8f420676 ED |
1844 | if (Value[Index + 1].Type != EFI_IFR_TYPE_STRING) {\r |
1845 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1846 | Status = EFI_SUCCESS;\r | |
7936fb6a | 1847 | goto Done;\r |
1848 | }\r | |
1849 | \r | |
8f420676 | 1850 | String[Index] = GetToken (Value[Index + 1].Value.string, FormSet->HiiHandle);\r |
bc166db3 | 1851 | if (String [Index] == NULL) {\r |
7936fb6a | 1852 | Status = EFI_NOT_FOUND;\r |
1853 | goto Done;\r | |
1854 | }\r | |
1855 | }\r | |
1856 | \r | |
1857 | if (Base >= StrLen (String[1])) {\r | |
8f420676 ED |
1858 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1859 | Status = EFI_SUCCESS;\r | |
7936fb6a | 1860 | goto Done;\r |
1861 | }\r | |
1862 | \r | |
1863 | Found = FALSE;\r | |
1864 | StringPtr = String[1] + Base;\r | |
1865 | Charset = String[0];\r | |
1866 | while (*StringPtr != 0 && !Found) {\r | |
1867 | Index = 0;\r | |
1868 | while (Charset[Index] != 0) {\r | |
1869 | if (*StringPtr >= Charset[Index] && *StringPtr <= Charset[Index + 1]) {\r | |
1870 | if (Flags == EFI_IFR_FLAGS_FIRST_MATCHING) {\r | |
1871 | Found = TRUE;\r | |
1872 | break;\r | |
1873 | }\r | |
1874 | } else {\r | |
1875 | if (Flags == EFI_IFR_FLAGS_FIRST_NON_MATCHING) {\r | |
1876 | Found = TRUE;\r | |
1877 | break;\r | |
1878 | }\r | |
1879 | }\r | |
1880 | //\r | |
1881 | // Skip characters pair representing low-end of a range and high-end of a range\r | |
1882 | //\r | |
1883 | Index += 2;\r | |
1884 | }\r | |
1885 | \r | |
1886 | if (!Found) {\r | |
1887 | StringPtr++;\r | |
1888 | }\r | |
1889 | }\r | |
1890 | \r | |
1891 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
1892 | Result->Value.u64 = StringPtr - String[1];\r | |
1893 | \r | |
1894 | Done:\r | |
676df92c | 1895 | if (String[0] != NULL) {\r |
1896 | FreePool (String[0]);\r | |
1897 | }\r | |
1898 | if (String[1] != NULL) {\r | |
1899 | FreePool (String[1]);\r | |
8b0fc5c1 | 1900 | }\r |
7936fb6a | 1901 | \r |
1902 | return Status;\r | |
1903 | }\r | |
1904 | \r | |
1905 | \r | |
1906 | /**\r | |
1907 | Zero extend integer/boolean/date/time to UINT64 for comparing.\r | |
1908 | \r | |
1909 | @param Value HII Value to be converted.\r | |
1910 | \r | |
1911 | **/\r | |
1912 | VOID\r | |
1913 | ExtendValueToU64 (\r | |
1914 | IN EFI_HII_VALUE *Value\r | |
1915 | )\r | |
1916 | {\r | |
1917 | UINT64 Temp;\r | |
1918 | \r | |
1919 | Temp = 0;\r | |
1920 | switch (Value->Type) {\r | |
1921 | case EFI_IFR_TYPE_NUM_SIZE_8:\r | |
1922 | Temp = Value->Value.u8;\r | |
1923 | break;\r | |
1924 | \r | |
1925 | case EFI_IFR_TYPE_NUM_SIZE_16:\r | |
1926 | Temp = Value->Value.u16;\r | |
1927 | break;\r | |
1928 | \r | |
1929 | case EFI_IFR_TYPE_NUM_SIZE_32:\r | |
1930 | Temp = Value->Value.u32;\r | |
1931 | break;\r | |
1932 | \r | |
1933 | case EFI_IFR_TYPE_BOOLEAN:\r | |
1934 | Temp = Value->Value.b;\r | |
1935 | break;\r | |
1936 | \r | |
1937 | case EFI_IFR_TYPE_TIME:\r | |
1938 | Temp = Value->Value.u32 & 0xffffff;\r | |
1939 | break;\r | |
1940 | \r | |
1941 | case EFI_IFR_TYPE_DATE:\r | |
1942 | Temp = Value->Value.u32;\r | |
1943 | break;\r | |
1944 | \r | |
1945 | default:\r | |
1946 | return;\r | |
1947 | }\r | |
1948 | \r | |
1949 | Value->Value.u64 = Temp;\r | |
1950 | }\r | |
1951 | \r | |
d63a9eb4 ED |
1952 | /**\r |
1953 | Get UINT64 type value.\r | |
1954 | \r | |
1955 | @param Value Input Hii value.\r | |
1956 | \r | |
1957 | @retval UINT64 Return the UINT64 type value.\r | |
1958 | \r | |
1959 | **/\r | |
1960 | UINT64\r | |
1961 | HiiValueToUINT64 (\r | |
1962 | IN EFI_HII_VALUE *Value\r | |
1963 | )\r | |
1964 | {\r | |
1965 | UINT64 RetVal;\r | |
1966 | \r | |
1967 | RetVal = 0;\r | |
1968 | \r | |
1969 | switch (Value->Type) {\r | |
1970 | case EFI_IFR_TYPE_NUM_SIZE_8:\r | |
1971 | RetVal = Value->Value.u8;\r | |
1972 | break;\r | |
1973 | \r | |
1974 | case EFI_IFR_TYPE_NUM_SIZE_16:\r | |
1975 | RetVal = Value->Value.u16;\r | |
1976 | break;\r | |
1977 | \r | |
1978 | case EFI_IFR_TYPE_NUM_SIZE_32:\r | |
1979 | RetVal = Value->Value.u32;\r | |
1980 | break;\r | |
1981 | \r | |
1982 | case EFI_IFR_TYPE_BOOLEAN:\r | |
1983 | RetVal = Value->Value.b;\r | |
1984 | break;\r | |
1985 | \r | |
1986 | case EFI_IFR_TYPE_DATE:\r | |
1987 | RetVal = *(UINT64*) &Value->Value.date;\r | |
1988 | break;\r | |
1989 | \r | |
1990 | case EFI_IFR_TYPE_TIME:\r | |
1991 | RetVal = (*(UINT64*) &Value->Value.time) & 0xffffff;\r | |
1992 | break;\r | |
1993 | \r | |
1994 | default:\r | |
1995 | RetVal = Value->Value.u64;\r | |
1996 | break;\r | |
1997 | }\r | |
1998 | \r | |
1999 | return RetVal;\r | |
2000 | }\r | |
7936fb6a | 2001 | \r |
2002 | /**\r | |
2003 | Compare two Hii value.\r | |
2004 | \r | |
2005 | @param Value1 Expression value to compare on left-hand.\r | |
2006 | @param Value2 Expression value to compare on right-hand.\r | |
8f420676 ED |
2007 | @param Result Return value after compare.\r |
2008 | retval 0 Two operators equal.\r | |
2009 | return Positive value if Value1 is greater than Value2.\r | |
2010 | retval Negative value if Value1 is less than Value2.\r | |
7936fb6a | 2011 | @param HiiHandle Only required for string compare.\r |
2012 | \r | |
8f420676 ED |
2013 | @retval other Could not perform compare on two values.\r |
2014 | @retval EFI_SUCCESS Compare the value success.\r | |
7936fb6a | 2015 | \r |
2016 | **/\r | |
8f420676 | 2017 | EFI_STATUS\r |
7936fb6a | 2018 | CompareHiiValue (\r |
2019 | IN EFI_HII_VALUE *Value1,\r | |
2020 | IN EFI_HII_VALUE *Value2,\r | |
8f420676 | 2021 | OUT INTN *Result,\r |
7936fb6a | 2022 | IN EFI_HII_HANDLE HiiHandle OPTIONAL\r |
2023 | )\r | |
2024 | {\r | |
7936fb6a | 2025 | INT64 Temp64;\r |
2026 | CHAR16 *Str1;\r | |
2027 | CHAR16 *Str2;\r | |
901ba0e7 | 2028 | UINTN Len;\r |
40578d09 ED |
2029 | UINT8 *Buf1;\r |
2030 | UINT16 Buf1Len;\r | |
2031 | UINT8 *Buf2;\r | |
2032 | UINT16 Buf2Len;\r | |
7936fb6a | 2033 | \r |
40578d09 | 2034 | if (Value1->Type == EFI_IFR_TYPE_STRING && Value2->Type == EFI_IFR_TYPE_STRING) {\r |
7936fb6a | 2035 | if (Value1->Value.string == 0 || Value2->Value.string == 0) {\r |
2036 | //\r | |
2037 | // StringId 0 is reserved\r | |
2038 | //\r | |
2039 | return EFI_INVALID_PARAMETER;\r | |
2040 | }\r | |
2041 | \r | |
2042 | if (Value1->Value.string == Value2->Value.string) {\r | |
8f420676 ED |
2043 | *Result = 0;\r |
2044 | return EFI_SUCCESS;\r | |
7936fb6a | 2045 | }\r |
2046 | \r | |
2047 | Str1 = GetToken (Value1->Value.string, HiiHandle);\r | |
2048 | if (Str1 == NULL) {\r | |
2049 | //\r | |
2050 | // String not found\r | |
2051 | //\r | |
8f420676 | 2052 | return EFI_NOT_FOUND;\r |
7936fb6a | 2053 | }\r |
2054 | \r | |
2055 | Str2 = GetToken (Value2->Value.string, HiiHandle);\r | |
2056 | if (Str2 == NULL) {\r | |
f4113e1f | 2057 | FreePool (Str1);\r |
8f420676 | 2058 | return EFI_NOT_FOUND;\r |
7936fb6a | 2059 | }\r |
2060 | \r | |
8f420676 | 2061 | *Result = StrCmp (Str1, Str2);\r |
7936fb6a | 2062 | \r |
f4113e1f | 2063 | FreePool (Str1);\r |
2064 | FreePool (Str2);\r | |
7936fb6a | 2065 | \r |
8f420676 | 2066 | return EFI_SUCCESS;\r |
7936fb6a | 2067 | }\r |
2068 | \r | |
40578d09 ED |
2069 | //\r |
2070 | // Take types(date, time, ref, buffer) as buffer\r | |
2071 | //\r | |
2072 | if (IsTypeInBuffer(Value1) && IsTypeInBuffer(Value2)) {\r | |
2073 | Buf1 = GetBufferForValue(Value1);\r | |
2074 | Buf1Len = GetLengthForValue(Value1);\r | |
2075 | Buf2 = GetBufferForValue(Value2);\r | |
2076 | Buf2Len = GetLengthForValue(Value2);\r | |
2077 | \r | |
2078 | Len = Buf1Len > Buf2Len ? Buf2Len : Buf1Len;\r | |
2079 | *Result = CompareMem (Buf1, Buf2, Len);\r | |
2080 | if ((*Result == 0) && (Buf1Len != Buf2Len)) {\r | |
901ba0e7 ED |
2081 | //\r |
2082 | // In this case, means base on samll number buffer, the data is same\r | |
2083 | // So which value has more data, which value is bigger.\r | |
2084 | //\r | |
40578d09 | 2085 | *Result = Buf1Len > Buf2Len ? 1 : -1;\r |
901ba0e7 | 2086 | }\r |
8f420676 | 2087 | return EFI_SUCCESS;\r |
901ba0e7 ED |
2088 | } \r |
2089 | \r | |
7936fb6a | 2090 | //\r |
40578d09 | 2091 | // Take types(integer, boolean) as integer\r |
7936fb6a | 2092 | //\r |
40578d09 ED |
2093 | if (IsTypeInUINT64(Value1) && IsTypeInUINT64(Value2)) {\r |
2094 | Temp64 = HiiValueToUINT64(Value1) - HiiValueToUINT64(Value2);\r | |
2095 | if (Temp64 > 0) {\r | |
2096 | *Result = 1;\r | |
2097 | } else if (Temp64 < 0) {\r | |
2098 | *Result = -1;\r | |
2099 | } else {\r | |
2100 | *Result = 0;\r | |
2101 | }\r | |
2102 | \r | |
2103 | return EFI_SUCCESS;\r | |
7936fb6a | 2104 | }\r |
2105 | \r | |
40578d09 | 2106 | return EFI_UNSUPPORTED;\r |
7936fb6a | 2107 | }\r |
2108 | \r | |
cbf73e50 | 2109 | /**\r |
2110 | Check if current user has the privilege specified by the permissions GUID.\r | |
2111 | \r | |
2112 | @param[in] Guid A GUID specifying setup access permissions.\r | |
2113 | \r | |
2114 | @retval TRUE Current user has the privilege.\r | |
2115 | @retval FALSE Current user does not have the privilege.\r | |
2116 | **/\r | |
2117 | BOOLEAN\r | |
2118 | CheckUserPrivilege (\r | |
2119 | IN EFI_GUID *Guid\r | |
2120 | )\r | |
2121 | {\r | |
2122 | EFI_STATUS Status;\r | |
2123 | EFI_USER_PROFILE_HANDLE UserProfileHandle;\r | |
2124 | EFI_USER_INFO_HANDLE UserInfoHandle;\r | |
2125 | EFI_USER_INFO *UserInfo;\r | |
2126 | EFI_GUID *UserPermissionsGuid;\r | |
2127 | UINTN UserInfoSize;\r | |
2128 | UINTN AccessControlDataSize;\r | |
2129 | EFI_USER_INFO_ACCESS_CONTROL *AccessControl;\r | |
2130 | UINTN RemainSize;\r | |
2131 | \r | |
2132 | if (mUserManager == NULL) {\r | |
2133 | Status = gBS->LocateProtocol (\r | |
2134 | &gEfiUserManagerProtocolGuid,\r | |
2135 | NULL,\r | |
2136 | (VOID **) &mUserManager\r | |
2137 | );\r | |
2138 | if (EFI_ERROR (Status)) {\r | |
2139 | ///\r | |
2140 | /// If the system does not support user management, then it is assumed that\r | |
2141 | /// all users have admin privilege and evaluation of each EFI_IFR_SECURITY\r | |
2142 | /// op-code is always TRUE.\r | |
2143 | ///\r | |
2144 | return TRUE;\r | |
2145 | }\r | |
2146 | }\r | |
2147 | \r | |
2148 | Status = mUserManager->Current (mUserManager, &UserProfileHandle);\r | |
2149 | ASSERT_EFI_ERROR (Status);\r | |
2150 | \r | |
2151 | ///\r | |
2152 | /// Enumerate all user information of the current user profile\r | |
2153 | /// to look for any EFI_USER_INFO_ACCESS_SETUP record.\r | |
2154 | ///\r | |
2155 | \r | |
2156 | for (UserInfoHandle = NULL;;) {\r | |
2157 | Status = mUserManager->GetNextInfo (mUserManager, UserProfileHandle, &UserInfoHandle);\r | |
2158 | if (EFI_ERROR (Status)) {\r | |
2159 | break;\r | |
2160 | }\r | |
2161 | \r | |
2162 | UserInfoSize = 0;\r | |
2163 | Status = mUserManager->GetInfo (mUserManager, UserProfileHandle, UserInfoHandle, NULL, &UserInfoSize);\r | |
2164 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
2165 | continue;\r | |
2166 | }\r | |
2167 | \r | |
2168 | UserInfo = (EFI_USER_INFO *) AllocatePool (UserInfoSize);\r | |
2169 | if (UserInfo == NULL) {\r | |
2170 | break;\r | |
2171 | }\r | |
2172 | \r | |
2173 | Status = mUserManager->GetInfo (mUserManager, UserProfileHandle, UserInfoHandle, UserInfo, &UserInfoSize);\r | |
2174 | if (EFI_ERROR (Status) ||\r | |
2175 | UserInfo->InfoType != EFI_USER_INFO_ACCESS_POLICY_RECORD ||\r | |
2176 | UserInfo->InfoSize <= sizeof (EFI_USER_INFO)) {\r | |
2177 | FreePool (UserInfo);\r | |
2178 | continue;\r | |
2179 | }\r | |
2180 | \r | |
2181 | RemainSize = UserInfo->InfoSize - sizeof (EFI_USER_INFO);\r | |
2182 | AccessControl = (EFI_USER_INFO_ACCESS_CONTROL *)(UserInfo + 1);\r | |
2183 | while (RemainSize >= sizeof (EFI_USER_INFO_ACCESS_CONTROL)) {\r | |
3dd405be | 2184 | if (RemainSize < AccessControl->Size || AccessControl->Size < sizeof (EFI_USER_INFO_ACCESS_CONTROL)) {\r |
cbf73e50 | 2185 | break;\r |
2186 | }\r | |
2187 | if (AccessControl->Type == EFI_USER_INFO_ACCESS_SETUP) {\r | |
2188 | ///\r | |
2189 | /// Check if current user has the privilege specified by the permissions GUID.\r | |
2190 | ///\r | |
2191 | \r | |
2192 | UserPermissionsGuid = (EFI_GUID *)(AccessControl + 1);\r | |
2193 | AccessControlDataSize = AccessControl->Size - sizeof (EFI_USER_INFO_ACCESS_CONTROL);\r | |
2194 | while (AccessControlDataSize >= sizeof (EFI_GUID)) {\r | |
2195 | if (CompareGuid (Guid, UserPermissionsGuid)) {\r | |
2196 | FreePool (UserInfo);\r | |
2197 | return TRUE;\r | |
2198 | }\r | |
2199 | UserPermissionsGuid++;\r | |
2200 | AccessControlDataSize -= sizeof (EFI_GUID);\r | |
2201 | }\r | |
2202 | }\r | |
2203 | RemainSize -= AccessControl->Size;\r | |
2204 | AccessControl = (EFI_USER_INFO_ACCESS_CONTROL *)((UINT8 *)AccessControl + AccessControl->Size);\r | |
2205 | }\r | |
2206 | \r | |
2207 | FreePool (UserInfo);\r | |
2208 | }\r | |
2209 | return FALSE;\r | |
2210 | }\r | |
7936fb6a | 2211 | \r |
db40504e ED |
2212 | /**\r |
2213 | Get question value from the predefined formset.\r | |
2214 | \r | |
2215 | @param DevicePath The driver's device path which produece the formset data.\r | |
2216 | @param InputHiiHandle The hii handle associate with the formset data.\r | |
2217 | @param FormSetGuid The formset guid which include the question.\r | |
2218 | @param QuestionId The question id which need to get value from.\r | |
2219 | @param Value The return data about question's value.\r | |
2220 | \r | |
2221 | @retval TRUE Get the question value success.\r | |
2222 | @retval FALSE Get the question value failed.\r | |
2223 | **/\r | |
2224 | BOOLEAN \r | |
2225 | GetQuestionValueFromForm (\r | |
2226 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
2227 | IN EFI_HII_HANDLE InputHiiHandle,\r | |
2228 | IN EFI_GUID *FormSetGuid,\r | |
2229 | IN EFI_QUESTION_ID QuestionId,\r | |
2230 | OUT EFI_HII_VALUE *Value\r | |
2231 | )\r | |
2232 | {\r | |
2233 | EFI_STATUS Status;\r | |
db40504e | 2234 | EFI_HII_HANDLE HiiHandle;\r |
db40504e ED |
2235 | FORM_BROWSER_STATEMENT *Question;\r |
2236 | FORM_BROWSER_FORMSET *FormSet;\r | |
2237 | FORM_BROWSER_FORM *Form;\r | |
2238 | BOOLEAN GetTheVal;\r | |
2239 | LIST_ENTRY *Link;\r | |
2240 | \r | |
2241 | // \r | |
2242 | // The input parameter DevicePath or InputHiiHandle must have one valid input. \r | |
2243 | //\r | |
2244 | ASSERT ((DevicePath != NULL && InputHiiHandle == NULL) || \r | |
2245 | (DevicePath == NULL && InputHiiHandle != NULL) );\r | |
2246 | \r | |
2247 | GetTheVal = TRUE;\r | |
db40504e ED |
2248 | HiiHandle = NULL;\r |
2249 | Question = NULL;\r | |
2250 | Form = NULL;\r | |
2251 | \r | |
2252 | //\r | |
2253 | // Get HiiHandle.\r | |
2254 | //\r | |
2255 | if (DevicePath != NULL) {\r | |
07d7dbae ED |
2256 | HiiHandle = DevicePathToHiiHandle (DevicePath, FormSetGuid);\r |
2257 | if (HiiHandle == NULL) {\r | |
db40504e ED |
2258 | return FALSE;\r |
2259 | }\r | |
db40504e ED |
2260 | } else {\r |
2261 | HiiHandle = InputHiiHandle;\r | |
2262 | } \r | |
2263 | ASSERT (HiiHandle != NULL);\r | |
2264 | \r | |
2265 | //\r | |
2266 | // Get the formset data include this question.\r | |
2267 | //\r | |
2268 | FormSet = AllocateZeroPool (sizeof (FORM_BROWSER_FORMSET));\r | |
2269 | ASSERT (FormSet != NULL);\r | |
7c6c064c | 2270 | Status = InitializeFormSet(HiiHandle, FormSetGuid, FormSet);\r |
db40504e ED |
2271 | if (EFI_ERROR (Status)) {\r |
2272 | GetTheVal = FALSE;\r | |
2273 | goto Done;\r | |
2274 | }\r | |
2275 | \r | |
2276 | //\r | |
2277 | // Base on the Question Id to get the question info.\r | |
2278 | // \r | |
2279 | Question = IdToQuestion(FormSet, NULL, QuestionId);\r | |
2280 | if (Question == NULL) {\r | |
2281 | GetTheVal = FALSE;\r | |
2282 | goto Done;\r | |
2283 | }\r | |
2284 | \r | |
2285 | //\r | |
2286 | // Search form in the formset scope\r | |
2287 | //\r | |
2288 | Link = GetFirstNode (&FormSet->FormListHead);\r | |
2289 | while (!IsNull (&FormSet->FormListHead, Link)) {\r | |
2290 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r | |
2291 | \r | |
2292 | Question = IdToQuestion2 (Form, QuestionId);\r | |
2293 | if (Question != NULL) {\r | |
2294 | break;\r | |
2295 | }\r | |
2296 | \r | |
2297 | Link = GetNextNode (&FormSet->FormListHead, Link);\r | |
2298 | Form = NULL;\r | |
2299 | }\r | |
2300 | ASSERT (Form != NULL);\r | |
2301 | \r | |
2302 | //\r | |
2303 | // Get the question value.\r | |
2304 | //\r | |
816a7110 | 2305 | Status = GetQuestionValue(FormSet, Form, Question, GetSetValueWithHiiDriver);\r |
db40504e ED |
2306 | if (EFI_ERROR (Status)) {\r |
2307 | GetTheVal = FALSE;\r | |
2308 | goto Done;\r | |
2309 | }\r | |
2310 | \r | |
2311 | CopyMem (Value, &Question->HiiValue, sizeof (EFI_HII_VALUE));\r | |
2312 | \r | |
2313 | Done:\r | |
2314 | //\r | |
2315 | // Clean the formset structure and restore the global parameter.\r | |
2316 | //\r | |
2317 | if (FormSet != NULL) {\r | |
2318 | DestroyFormSet (FormSet);\r | |
2319 | }\r | |
2320 | \r | |
2321 | return GetTheVal;\r | |
2322 | }\r | |
2323 | \r | |
7936fb6a | 2324 | /**\r |
bc166db3 | 2325 | Evaluate the result of a HII expression.\r |
2326 | \r | |
2327 | If Expression is NULL, then ASSERT.\r | |
7936fb6a | 2328 | \r |
2329 | @param FormSet FormSet associated with this expression.\r | |
2330 | @param Form Form associated with this expression.\r | |
2331 | @param Expression Expression to be evaluated.\r | |
2332 | \r | |
2333 | @retval EFI_SUCCESS The expression evaluated successfuly\r | |
2334 | @retval EFI_NOT_FOUND The Question which referenced by a QuestionId\r | |
2335 | could not be found.\r | |
2336 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r | |
2337 | stack.\r | |
2338 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r | |
2339 | @retval EFI_INVALID_PARAMETER Syntax error with the Expression\r | |
2340 | \r | |
2341 | **/\r | |
2342 | EFI_STATUS\r | |
2343 | EvaluateExpression (\r | |
2344 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
2345 | IN FORM_BROWSER_FORM *Form,\r | |
2346 | IN OUT FORM_EXPRESSION *Expression\r | |
2347 | )\r | |
2348 | {\r | |
2349 | EFI_STATUS Status;\r | |
2350 | LIST_ENTRY *Link;\r | |
2351 | EXPRESSION_OPCODE *OpCode;\r | |
2352 | FORM_BROWSER_STATEMENT *Question;\r | |
2353 | FORM_BROWSER_STATEMENT *Question2;\r | |
2354 | UINT16 Index;\r | |
2355 | EFI_HII_VALUE Data1;\r | |
2356 | EFI_HII_VALUE Data2;\r | |
2357 | EFI_HII_VALUE Data3;\r | |
2358 | FORM_EXPRESSION *RuleExpression;\r | |
2359 | EFI_HII_VALUE *Value;\r | |
2360 | INTN Result;\r | |
2361 | CHAR16 *StrPtr;\r | |
2573712e | 2362 | CHAR16 *NameValue;\r |
7936fb6a | 2363 | UINT32 TempValue;\r |
2573712e LG |
2364 | LIST_ENTRY *SubExpressionLink;\r |
2365 | FORM_EXPRESSION *SubExpression;\r | |
2366 | UINTN StackOffset;\r | |
2367 | UINTN TempLength;\r | |
2368 | CHAR16 TempStr[5];\r | |
2369 | UINT8 DigitUint8;\r | |
2370 | UINT8 *TempBuffer;\r | |
2371 | EFI_TIME EfiTime;\r | |
db40504e | 2372 | EFI_HII_VALUE QuestionVal;\r |
33efdf51 | 2373 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
7936fb6a | 2374 | \r |
4e1005ec ED |
2375 | StrPtr = NULL;\r |
2376 | \r | |
7936fb6a | 2377 | //\r |
2573712e | 2378 | // Save current stack offset.\r |
7936fb6a | 2379 | //\r |
2573712e | 2380 | StackOffset = SaveExpressionEvaluationStackOffset ();\r |
7936fb6a | 2381 | \r |
bc166db3 | 2382 | ASSERT (Expression != NULL);\r |
7936fb6a | 2383 | Expression->Result.Type = EFI_IFR_TYPE_OTHER;\r |
2384 | \r | |
2385 | Link = GetFirstNode (&Expression->OpCodeListHead);\r | |
2386 | while (!IsNull (&Expression->OpCodeListHead, Link)) {\r | |
2387 | OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);\r | |
2388 | \r | |
2389 | Link = GetNextNode (&Expression->OpCodeListHead, Link);\r | |
2390 | \r | |
2391 | ZeroMem (&Data1, sizeof (EFI_HII_VALUE));\r | |
2392 | ZeroMem (&Data2, sizeof (EFI_HII_VALUE));\r | |
2393 | ZeroMem (&Data3, sizeof (EFI_HII_VALUE));\r | |
2394 | \r | |
2395 | Value = &Data3;\r | |
2396 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
2397 | Status = EFI_SUCCESS;\r | |
2398 | \r | |
2399 | switch (OpCode->Operand) {\r | |
2400 | //\r | |
2401 | // Built-in functions\r | |
2402 | //\r | |
2403 | case EFI_IFR_EQ_ID_VAL_OP:\r | |
2404 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r | |
2405 | if (Question == NULL) {\r | |
8f420676 ED |
2406 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2407 | break;\r | |
7936fb6a | 2408 | }\r |
2409 | \r | |
8f420676 ED |
2410 | Status = CompareHiiValue (&Question->HiiValue, &OpCode->Value, &Result, NULL);\r |
2411 | if (Status == EFI_UNSUPPORTED) {\r | |
2412 | Status = EFI_SUCCESS;\r | |
2413 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2414 | break;\r | |
2415 | }\r | |
2416 | \r | |
2417 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2418 | goto Done;\r |
7936fb6a | 2419 | }\r |
2420 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r | |
2421 | break;\r | |
2422 | \r | |
2423 | case EFI_IFR_EQ_ID_ID_OP:\r | |
2424 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r | |
2425 | if (Question == NULL) {\r | |
8f420676 ED |
2426 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2427 | break;\r | |
7936fb6a | 2428 | }\r |
2429 | \r | |
2430 | Question2 = IdToQuestion (FormSet, Form, OpCode->QuestionId2);\r | |
2431 | if (Question2 == NULL) {\r | |
8f420676 ED |
2432 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2433 | break;\r | |
7936fb6a | 2434 | }\r |
2435 | \r | |
8f420676 ED |
2436 | Status = CompareHiiValue (&Question->HiiValue, &Question2->HiiValue, &Result, FormSet->HiiHandle);\r |
2437 | if (Status == EFI_UNSUPPORTED) {\r | |
2438 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2439 | Status = EFI_SUCCESS;\r | |
2440 | break;\r | |
2441 | }\r | |
2442 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2443 | goto Done;\r |
7936fb6a | 2444 | }\r |
2445 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r | |
2446 | break;\r | |
2447 | \r | |
e8ef4283 | 2448 | case EFI_IFR_EQ_ID_VAL_LIST_OP:\r |
7936fb6a | 2449 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r |
2450 | if (Question == NULL) {\r | |
8f420676 ED |
2451 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2452 | break;\r | |
7936fb6a | 2453 | }\r |
2454 | \r | |
2455 | Value->Value.b = FALSE;\r | |
2456 | for (Index =0; Index < OpCode->ListLength; Index++) {\r | |
2457 | if (Question->HiiValue.Value.u16 == OpCode->ValueList[Index]) {\r | |
2458 | Value->Value.b = TRUE;\r | |
2459 | break;\r | |
2460 | }\r | |
2461 | }\r | |
2462 | break;\r | |
2463 | \r | |
2464 | case EFI_IFR_DUP_OP:\r | |
2465 | Status = PopExpression (Value);\r | |
2466 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2467 | goto Done;\r |
7936fb6a | 2468 | }\r |
2469 | \r | |
2470 | Status = PushExpression (Value);\r | |
2471 | break;\r | |
2472 | \r | |
2473 | case EFI_IFR_QUESTION_REF1_OP:\r | |
2474 | case EFI_IFR_THIS_OP:\r | |
2475 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r | |
2476 | if (Question == NULL) {\r | |
2573712e LG |
2477 | Status = EFI_NOT_FOUND;\r |
2478 | goto Done;\r | |
7936fb6a | 2479 | }\r |
2480 | \r | |
2481 | Value = &Question->HiiValue;\r | |
2482 | break;\r | |
2483 | \r | |
cbf73e50 | 2484 | case EFI_IFR_SECURITY_OP:\r |
2485 | Value->Value.b = CheckUserPrivilege (&OpCode->Guid);\r | |
2486 | break;\r | |
2487 | \r | |
2573712e LG |
2488 | case EFI_IFR_GET_OP:\r |
2489 | //\r | |
2490 | // Get Value from VarStore buffer, EFI VarStore, Name/Value VarStore.\r | |
2491 | //\r | |
2492 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2493 | Value->Value.u8 = 0;\r | |
2494 | if (OpCode->VarStorage != NULL) {\r | |
2495 | switch (OpCode->VarStorage->Type) {\r | |
2496 | case EFI_HII_VARSTORE_BUFFER:\r | |
cce6230f | 2497 | case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER:\r |
2573712e LG |
2498 | //\r |
2499 | // Get value from Edit Buffer\r | |
2500 | //\r | |
2501 | Value->Type = OpCode->ValueType;\r | |
2502 | CopyMem (&Value->Value, OpCode->VarStorage->EditBuffer + OpCode->VarStoreInfo.VarOffset, OpCode->ValueWidth);\r | |
2503 | break;\r | |
2504 | case EFI_HII_VARSTORE_NAME_VALUE:\r | |
2505 | if (OpCode->ValueType != EFI_IFR_TYPE_STRING) {\r | |
2506 | //\r | |
2507 | // Get value from string except for STRING value.\r | |
2508 | //\r | |
816a7110 | 2509 | Status = GetValueByName (OpCode->VarStorage, OpCode->ValueName, &StrPtr, GetSetValueWithEditBuffer);\r |
2573712e | 2510 | if (!EFI_ERROR (Status)) {\r |
771ececd | 2511 | ASSERT (StrPtr != NULL);\r |
2573712e LG |
2512 | TempLength = StrLen (StrPtr);\r |
2513 | if (OpCode->ValueWidth >= ((TempLength + 1) / 2)) {\r | |
2514 | Value->Type = OpCode->ValueType;\r | |
2515 | TempBuffer = (UINT8 *) &Value->Value;\r | |
2516 | ZeroMem (TempStr, sizeof (TempStr));\r | |
2517 | for (Index = 0; Index < TempLength; Index ++) {\r | |
2518 | TempStr[0] = StrPtr[TempLength - Index - 1];\r | |
2519 | DigitUint8 = (UINT8) StrHexToUint64 (TempStr);\r | |
2520 | if ((Index & 1) == 0) {\r | |
2521 | TempBuffer [Index/2] = DigitUint8;\r | |
2522 | } else {\r | |
771ececd | 2523 | TempBuffer [Index/2] = (UINT8) ((DigitUint8 << 4) + TempBuffer [Index/2]);\r |
2573712e LG |
2524 | }\r |
2525 | }\r | |
2526 | } \r | |
2527 | }\r | |
2528 | }\r | |
2529 | break;\r | |
2530 | case EFI_HII_VARSTORE_EFI_VARIABLE:\r | |
2531 | //\r | |
2532 | // Get value from variable.\r | |
2533 | //\r | |
2534 | TempLength = OpCode->ValueWidth;\r | |
2535 | Value->Type = OpCode->ValueType;\r | |
2536 | Status = gRT->GetVariable (\r | |
2537 | OpCode->ValueName,\r | |
2538 | &OpCode->VarStorage->Guid,\r | |
2539 | NULL,\r | |
2540 | &TempLength,\r | |
2541 | &Value->Value\r | |
2542 | );\r | |
2543 | if (EFI_ERROR (Status)) {\r | |
2544 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2545 | Value->Value.u8 = 0;\r | |
2546 | }\r | |
cce6230f | 2547 | break;\r |
2573712e LG |
2548 | default:\r |
2549 | //\r | |
2550 | // Not recognize storage.\r | |
2551 | //\r | |
2552 | Status = EFI_UNSUPPORTED;\r | |
2553 | goto Done;\r | |
2554 | }\r | |
2555 | } else {\r | |
2556 | //\r | |
2557 | // For Time/Date Data\r | |
2558 | //\r | |
2559 | if (OpCode->ValueType != EFI_IFR_TYPE_DATE && OpCode->ValueType != EFI_IFR_TYPE_TIME) {\r | |
2560 | //\r | |
2561 | // Only support Data/Time data when storage doesn't exist.\r | |
2562 | //\r | |
2563 | Status = EFI_UNSUPPORTED;\r | |
2564 | goto Done;\r | |
2565 | }\r | |
2566 | Status = gRT->GetTime (&EfiTime, NULL);\r | |
2567 | if (!EFI_ERROR (Status)) {\r | |
2568 | if (OpCode->ValueType == EFI_IFR_TYPE_DATE) {\r | |
2569 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
2570 | case 0x00:\r | |
2571 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r | |
2572 | Value->Value.u16 = EfiTime.Year;\r | |
2573 | break;\r | |
2574 | case 0x02:\r | |
2575 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
2576 | Value->Value.u8 = EfiTime.Month;\r | |
2577 | break;\r | |
2578 | case 0x03:\r | |
2579 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
2580 | Value->Value.u8 = EfiTime.Day;\r | |
2581 | break;\r | |
2582 | default:\r | |
2583 | //\r | |
2584 | // Invalid Date field.\r | |
2585 | //\r | |
2586 | Status = EFI_INVALID_PARAMETER;\r | |
2587 | goto Done;\r | |
2588 | }\r | |
2589 | } else {\r | |
2590 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
2591 | case 0x00:\r | |
2592 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
2593 | Value->Value.u8 = EfiTime.Hour;\r | |
2594 | break;\r | |
2595 | case 0x01:\r | |
2596 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
2597 | Value->Value.u8 = EfiTime.Minute;\r | |
2598 | break;\r | |
2599 | case 0x02:\r | |
2600 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
2601 | Value->Value.u8 = EfiTime.Second;\r | |
2602 | break;\r | |
2603 | default:\r | |
2604 | //\r | |
2605 | // Invalid Time field.\r | |
2606 | //\r | |
2607 | Status = EFI_INVALID_PARAMETER;\r | |
2608 | goto Done;\r | |
2609 | }\r | |
2610 | }\r | |
2611 | }\r | |
2612 | }\r | |
2613 | \r | |
2614 | break;\r | |
2615 | \r | |
7936fb6a | 2616 | case EFI_IFR_QUESTION_REF3_OP:\r |
db40504e ED |
2617 | //\r |
2618 | // EFI_IFR_QUESTION_REF3\r | |
2619 | // Pop an expression from the expression stack\r | |
2620 | //\r | |
2621 | Status = PopExpression (Value);\r | |
2622 | if (EFI_ERROR (Status)) {\r | |
2623 | goto Done;\r | |
2624 | }\r | |
2625 | \r | |
2626 | //\r | |
2627 | // Validate the expression value\r | |
2628 | //\r | |
2629 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r | |
8f420676 ED |
2630 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2631 | break;\r | |
db40504e ED |
2632 | }\r |
2633 | \r | |
2634 | if (OpCode->DevicePath != 0) {\r | |
80a047f0 | 2635 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
33efdf51 | 2636 | \r |
80a047f0 ED |
2637 | StrPtr = GetToken (OpCode->DevicePath, FormSet->HiiHandle);\r |
2638 | if (StrPtr != NULL && mPathFromText != NULL) {\r | |
2639 | DevicePath = mPathFromText->ConvertTextToDevicePath(StrPtr);\r | |
2640 | if (DevicePath != NULL && GetQuestionValueFromForm(DevicePath, NULL, &OpCode->Guid, Value->Value.u16, &QuestionVal)) {\r | |
2641 | Value = &QuestionVal;\r | |
2642 | }\r | |
2643 | if (DevicePath != NULL) {\r | |
2644 | FreePool (DevicePath);\r | |
2645 | }\r | |
33efdf51 ED |
2646 | }\r |
2647 | \r | |
80a047f0 ED |
2648 | if (StrPtr != NULL) {\r |
2649 | FreePool (StrPtr);\r | |
7936fb6a | 2650 | }\r |
db40504e ED |
2651 | } else if (CompareGuid (&OpCode->Guid, &gZeroGuid) != 0) {\r |
2652 | if (!GetQuestionValueFromForm(NULL, FormSet->HiiHandle, &OpCode->Guid, Value->Value.u16, &QuestionVal)){\r | |
8f420676 ED |
2653 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2654 | break;\r | |
db40504e | 2655 | }\r |
8f420676 | 2656 | Value = &QuestionVal;\r |
db40504e | 2657 | } else {\r |
7936fb6a | 2658 | Question = IdToQuestion (FormSet, Form, Value->Value.u16);\r |
2659 | if (Question == NULL) {\r | |
8f420676 ED |
2660 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2661 | break;\r | |
7936fb6a | 2662 | }\r |
2663 | \r | |
2664 | //\r | |
2665 | // push the questions' value on to the expression stack\r | |
2666 | //\r | |
2667 | Value = &Question->HiiValue;\r | |
7936fb6a | 2668 | }\r |
2669 | break;\r | |
2670 | \r | |
2671 | case EFI_IFR_RULE_REF_OP:\r | |
2672 | //\r | |
2673 | // Find expression for this rule\r | |
2674 | //\r | |
2675 | RuleExpression = RuleIdToExpression (Form, OpCode->RuleId);\r | |
2676 | if (RuleExpression == NULL) {\r | |
8f420676 ED |
2677 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2678 | break;\r | |
7936fb6a | 2679 | }\r |
2680 | \r | |
2681 | //\r | |
2682 | // Evaluate this rule expression\r | |
2683 | //\r | |
2684 | Status = EvaluateExpression (FormSet, Form, RuleExpression);\r | |
8f420676 ED |
2685 | if (EFI_ERROR (Status) || RuleExpression->Result.Type == EFI_IFR_TYPE_UNDEFINED) {\r |
2686 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2687 | break;\r | |
7936fb6a | 2688 | }\r |
2689 | \r | |
2690 | Value = &RuleExpression->Result;\r | |
2691 | break;\r | |
2692 | \r | |
2693 | case EFI_IFR_STRING_REF1_OP:\r | |
2694 | Value->Type = EFI_IFR_TYPE_STRING;\r | |
2695 | Value->Value.string = OpCode->Value.Value.string;\r | |
2696 | break;\r | |
2697 | \r | |
2698 | //\r | |
2699 | // Constant\r | |
2700 | //\r | |
2701 | case EFI_IFR_TRUE_OP:\r | |
2702 | case EFI_IFR_FALSE_OP:\r | |
2703 | case EFI_IFR_ONE_OP:\r | |
2704 | case EFI_IFR_ONES_OP:\r | |
2705 | case EFI_IFR_UINT8_OP:\r | |
2706 | case EFI_IFR_UINT16_OP:\r | |
2707 | case EFI_IFR_UINT32_OP:\r | |
2708 | case EFI_IFR_UINT64_OP:\r | |
2709 | case EFI_IFR_UNDEFINED_OP:\r | |
2710 | case EFI_IFR_VERSION_OP:\r | |
2711 | case EFI_IFR_ZERO_OP:\r | |
2712 | Value = &OpCode->Value;\r | |
2713 | break;\r | |
2714 | \r | |
2715 | //\r | |
2716 | // unary-op\r | |
2717 | //\r | |
2718 | case EFI_IFR_LENGTH_OP:\r | |
2719 | Status = PopExpression (Value);\r | |
2720 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2721 | goto Done;\r |
7936fb6a | 2722 | }\r |
40578d09 | 2723 | if (Value->Type != EFI_IFR_TYPE_STRING && !IsTypeInBuffer (Value)) {\r |
8f420676 ED |
2724 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2725 | break;\r | |
7936fb6a | 2726 | }\r |
2727 | \r | |
901ba0e7 ED |
2728 | if (Value->Type == EFI_IFR_TYPE_STRING) {\r |
2729 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r | |
2730 | if (StrPtr == NULL) {\r | |
2731 | Status = EFI_INVALID_PARAMETER;\r | |
2732 | goto Done;\r | |
2733 | }\r | |
7936fb6a | 2734 | \r |
901ba0e7 ED |
2735 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
2736 | Value->Value.u64 = StrLen (StrPtr);\r | |
2737 | FreePool (StrPtr);\r | |
2738 | } else {\r | |
2739 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
40578d09 | 2740 | Value->Value.u64 = GetLengthForValue(Value);\r |
901ba0e7 ED |
2741 | FreePool (Value->Buffer);\r |
2742 | }\r | |
7936fb6a | 2743 | break;\r |
2744 | \r | |
2745 | case EFI_IFR_NOT_OP:\r | |
2746 | Status = PopExpression (Value);\r | |
2747 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2748 | goto Done;\r |
7936fb6a | 2749 | }\r |
2750 | if (Value->Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
8f420676 ED |
2751 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2752 | break;\r | |
7936fb6a | 2753 | }\r |
2754 | Value->Value.b = (BOOLEAN) (!Value->Value.b);\r | |
2755 | break;\r | |
2756 | \r | |
2757 | case EFI_IFR_QUESTION_REF2_OP:\r | |
2758 | //\r | |
2759 | // Pop an expression from the expression stack\r | |
2760 | //\r | |
2761 | Status = PopExpression (Value);\r | |
2762 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2763 | goto Done;\r |
7936fb6a | 2764 | }\r |
2765 | \r | |
2766 | //\r | |
2767 | // Validate the expression value\r | |
2768 | //\r | |
2769 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r | |
8f420676 ED |
2770 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2771 | break;\r | |
7936fb6a | 2772 | }\r |
2773 | \r | |
2774 | Question = IdToQuestion (FormSet, Form, Value->Value.u16);\r | |
2775 | if (Question == NULL) {\r | |
8f420676 ED |
2776 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2777 | break;\r | |
7936fb6a | 2778 | }\r |
2779 | \r | |
2780 | Value = &Question->HiiValue;\r | |
2781 | break;\r | |
2782 | \r | |
2783 | case EFI_IFR_STRING_REF2_OP:\r | |
2784 | //\r | |
2785 | // Pop an expression from the expression stack\r | |
2786 | //\r | |
2787 | Status = PopExpression (Value);\r | |
2788 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2789 | goto Done;\r |
7936fb6a | 2790 | }\r |
2791 | \r | |
2792 | //\r | |
2793 | // Validate the expression value\r | |
2794 | //\r | |
2795 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r | |
8f420676 ED |
2796 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2797 | break;\r | |
7936fb6a | 2798 | }\r |
2799 | \r | |
2800 | Value->Type = EFI_IFR_TYPE_STRING;\r | |
2801 | StrPtr = GetToken (Value->Value.u16, FormSet->HiiHandle);\r | |
2802 | if (StrPtr == NULL) {\r | |
2803 | //\r | |
2804 | // If String not exit, push an empty string\r | |
2805 | //\r | |
2806 | Value->Value.string = NewString (gEmptyString, FormSet->HiiHandle);\r | |
2807 | } else {\r | |
2808 | Index = (UINT16) Value->Value.u64;\r | |
2809 | Value->Value.string = Index;\r | |
f4113e1f | 2810 | FreePool (StrPtr);\r |
7936fb6a | 2811 | }\r |
2812 | break;\r | |
2813 | \r | |
2814 | case EFI_IFR_TO_BOOLEAN_OP:\r | |
2815 | //\r | |
2816 | // Pop an expression from the expression stack\r | |
2817 | //\r | |
2818 | Status = PopExpression (Value);\r | |
2819 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2820 | goto Done;\r |
7936fb6a | 2821 | }\r |
2822 | \r | |
2823 | //\r | |
2824 | // Convert an expression to a Boolean\r | |
2825 | //\r | |
2826 | if (Value->Type <= EFI_IFR_TYPE_DATE) {\r | |
2827 | //\r | |
2828 | // When converting from an unsigned integer, zero will be converted to\r | |
2829 | // FALSE and any other value will be converted to TRUE.\r | |
2830 | //\r | |
40578d09 | 2831 | Value->Value.b = (BOOLEAN) (HiiValueToUINT64(Value) != 0);\r |
7936fb6a | 2832 | \r |
2833 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
2834 | } else if (Value->Type == EFI_IFR_TYPE_STRING) {\r | |
2835 | //\r | |
2836 | // When converting from a string, if case-insensitive compare\r | |
2837 | // with "true" is True, then push True. If a case-insensitive compare\r | |
39099cbd | 2838 | // with "false" is True, then push False. Otherwise, push Undefined. \r |
7936fb6a | 2839 | //\r |
2840 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r | |
2841 | if (StrPtr == NULL) {\r | |
2573712e LG |
2842 | Status = EFI_INVALID_PARAMETER;\r |
2843 | goto Done;\r | |
7936fb6a | 2844 | }\r |
39099cbd ED |
2845 | \r |
2846 | IfrStrToUpper (StrPtr);\r | |
2847 | if (StrCmp (StrPtr, L"TRUE") == 0){\r | |
7936fb6a | 2848 | Value->Value.b = TRUE;\r |
8f420676 | 2849 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
39099cbd | 2850 | } else if (StrCmp (StrPtr, L"FALSE") == 0) {\r |
7936fb6a | 2851 | Value->Value.b = FALSE;\r |
8f420676 | 2852 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
39099cbd | 2853 | } else {\r |
8f420676 | 2854 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
7936fb6a | 2855 | }\r |
f4113e1f | 2856 | FreePool (StrPtr);\r |
901ba0e7 ED |
2857 | } else if (Value->Type == EFI_IFR_TYPE_BUFFER) {\r |
2858 | //\r | |
2859 | // When converting from a buffer, if the buffer is all zeroes, \r | |
2860 | // then push False. Otherwise push True. \r | |
2861 | //\r | |
2862 | for (Index =0; Index < Value->BufferLen; Index ++) {\r | |
2863 | if (Value->Buffer[Index] != 0) { \r | |
2864 | break;\r | |
2865 | }\r | |
2866 | }\r | |
2867 | \r | |
2868 | if (Index >= Value->BufferLen) {\r | |
2869 | Value->Value.b = FALSE;\r | |
2870 | } else {\r | |
2871 | Value->Value.b = TRUE;\r | |
2872 | }\r | |
2873 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
2874 | FreePool (Value->Buffer);\r | |
7936fb6a | 2875 | }\r |
2876 | break;\r | |
2877 | \r | |
2878 | case EFI_IFR_TO_STRING_OP:\r | |
2879 | Status = IfrToString (FormSet, OpCode->Format, Value);\r | |
2880 | break;\r | |
2881 | \r | |
2882 | case EFI_IFR_TO_UINT_OP:\r | |
2883 | Status = IfrToUint (FormSet, Value);\r | |
2884 | break;\r | |
2885 | \r | |
2886 | case EFI_IFR_TO_LOWER_OP:\r | |
2887 | case EFI_IFR_TO_UPPER_OP:\r | |
2888 | Status = InitializeUnicodeCollationProtocol ();\r | |
2889 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2890 | goto Done;\r |
7936fb6a | 2891 | }\r |
2892 | \r | |
2893 | Status = PopExpression (Value);\r | |
2894 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2895 | goto Done;\r |
7936fb6a | 2896 | }\r |
2897 | \r | |
2898 | if (Value->Type != EFI_IFR_TYPE_STRING) {\r | |
8f420676 ED |
2899 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2900 | break;\r | |
7936fb6a | 2901 | }\r |
2902 | \r | |
2903 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r | |
2904 | if (StrPtr == NULL) {\r | |
2573712e LG |
2905 | Status = EFI_NOT_FOUND;\r |
2906 | goto Done;\r | |
7936fb6a | 2907 | }\r |
2908 | \r | |
2909 | if (OpCode->Operand == EFI_IFR_TO_LOWER_OP) {\r | |
2910 | mUnicodeCollation->StrLwr (mUnicodeCollation, StrPtr);\r | |
2911 | } else {\r | |
2912 | mUnicodeCollation->StrUpr (mUnicodeCollation, StrPtr);\r | |
2913 | }\r | |
2914 | Value->Value.string = NewString (StrPtr, FormSet->HiiHandle);\r | |
f4113e1f | 2915 | FreePool (StrPtr);\r |
7936fb6a | 2916 | break;\r |
2917 | \r | |
2918 | case EFI_IFR_BITWISE_NOT_OP:\r | |
2919 | //\r | |
2920 | // Pop an expression from the expression stack\r | |
2921 | //\r | |
2922 | Status = PopExpression (Value);\r | |
2923 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2924 | goto Done;\r |
7936fb6a | 2925 | }\r |
2926 | if (Value->Type > EFI_IFR_TYPE_DATE) {\r | |
8f420676 ED |
2927 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2928 | break;\r | |
7936fb6a | 2929 | }\r |
2930 | \r | |
2931 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
40578d09 | 2932 | Value->Value.u64 = ~ HiiValueToUINT64(Value);\r |
7936fb6a | 2933 | break;\r |
2934 | \r | |
2573712e LG |
2935 | case EFI_IFR_SET_OP:\r |
2936 | //\r | |
2937 | // Pop an expression from the expression stack\r | |
2938 | //\r | |
2939 | Status = PopExpression (Value);\r | |
2940 | if (EFI_ERROR (Status)) {\r | |
2941 | goto Done;\r | |
2942 | }\r | |
2943 | Data1.Type = EFI_IFR_TYPE_BOOLEAN;\r | |
2944 | Data1.Value.b = FALSE;\r | |
2945 | //\r | |
2946 | // Set value to var storage buffer\r | |
2947 | //\r | |
2948 | if (OpCode->VarStorage != NULL) {\r | |
2949 | switch (OpCode->VarStorage->Type) {\r | |
2950 | case EFI_HII_VARSTORE_BUFFER:\r | |
cce6230f | 2951 | case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER:\r |
2573712e LG |
2952 | CopyMem (OpCode->VarStorage->EditBuffer + OpCode->VarStoreInfo.VarOffset, &Value->Value, OpCode->ValueWidth);\r |
2953 | Data1.Value.b = TRUE;\r | |
2954 | break;\r | |
2955 | case EFI_HII_VARSTORE_NAME_VALUE:\r | |
2956 | if (OpCode->ValueType != EFI_IFR_TYPE_STRING) {\r | |
2957 | NameValue = AllocateZeroPool ((OpCode->ValueWidth * 2 + 1) * sizeof (CHAR16));\r | |
2958 | ASSERT (Value != NULL);\r | |
2959 | //\r | |
2960 | // Convert Buffer to Hex String\r | |
2961 | //\r | |
2962 | TempBuffer = (UINT8 *) &Value->Value + OpCode->ValueWidth - 1;\r | |
2963 | StrPtr = NameValue;\r | |
2964 | for (Index = 0; Index < OpCode->ValueWidth; Index ++, TempBuffer --) {\r | |
2965 | StrPtr += UnicodeValueToString (StrPtr, PREFIX_ZERO | RADIX_HEX, *TempBuffer, 2);\r | |
2966 | }\r | |
7c6c064c | 2967 | Status = SetValueByName (OpCode->VarStorage, OpCode->ValueName, NameValue, GetSetValueWithEditBuffer, NULL);\r |
2573712e LG |
2968 | FreePool (NameValue);\r |
2969 | if (!EFI_ERROR (Status)) {\r | |
2970 | Data1.Value.b = TRUE;\r | |
2971 | }\r | |
2972 | }\r | |
2973 | break;\r | |
2974 | case EFI_HII_VARSTORE_EFI_VARIABLE:\r | |
2975 | Status = gRT->SetVariable (\r | |
2976 | OpCode->ValueName,\r | |
2977 | &OpCode->VarStorage->Guid,\r | |
2978 | OpCode->VarStorage->Attributes,\r | |
2979 | OpCode->ValueWidth,\r | |
2980 | &Value->Value\r | |
2981 | );\r | |
2982 | if (!EFI_ERROR (Status)) {\r | |
2983 | Data1.Value.b = TRUE;\r | |
2984 | }\r | |
2985 | break;\r | |
2986 | default:\r | |
2987 | //\r | |
2988 | // Not recognize storage.\r | |
2989 | //\r | |
2990 | Status = EFI_UNSUPPORTED;\r | |
2991 | goto Done;\r | |
2992 | break;\r | |
2993 | }\r | |
2994 | } else {\r | |
2995 | //\r | |
2996 | // For Time/Date Data\r | |
2997 | //\r | |
2998 | if (OpCode->ValueType != EFI_IFR_TYPE_DATE && OpCode->ValueType != EFI_IFR_TYPE_TIME) {\r | |
2999 | //\r | |
3000 | // Only support Data/Time data when storage doesn't exist.\r | |
3001 | //\r | |
3002 | Status = EFI_UNSUPPORTED;\r | |
3003 | goto Done;\r | |
3004 | }\r | |
3005 | Status = gRT->GetTime (&EfiTime, NULL);\r | |
3006 | if (!EFI_ERROR (Status)) {\r | |
3007 | if (OpCode->ValueType == EFI_IFR_TYPE_DATE) {\r | |
3008 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
3009 | case 0x00:\r | |
3010 | EfiTime.Year = Value->Value.u16;\r | |
3011 | break;\r | |
3012 | case 0x02:\r | |
3013 | EfiTime.Month = Value->Value.u8;\r | |
3014 | break;\r | |
3015 | case 0x03:\r | |
3016 | EfiTime.Day = Value->Value.u8;\r | |
3017 | break;\r | |
3018 | default:\r | |
3019 | //\r | |
3020 | // Invalid Date field.\r | |
3021 | //\r | |
3022 | Status = EFI_INVALID_PARAMETER;\r | |
3023 | goto Done;\r | |
3024 | }\r | |
3025 | } else {\r | |
3026 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
3027 | case 0x00:\r | |
3028 | EfiTime.Hour = Value->Value.u8;\r | |
3029 | break;\r | |
3030 | case 0x01:\r | |
3031 | EfiTime.Minute = Value->Value.u8;\r | |
3032 | break;\r | |
3033 | case 0x02:\r | |
3034 | EfiTime.Second = Value->Value.u8;\r | |
3035 | break;\r | |
3036 | default:\r | |
3037 | //\r | |
3038 | // Invalid Time field.\r | |
3039 | //\r | |
3040 | Status = EFI_INVALID_PARAMETER;\r | |
3041 | goto Done;\r | |
3042 | }\r | |
3043 | }\r | |
3044 | Status = gRT->SetTime (&EfiTime);\r | |
3045 | if (!EFI_ERROR (Status)) {\r | |
3046 | Data1.Value.b = TRUE;\r | |
3047 | }\r | |
3048 | }\r | |
3049 | }\r | |
3050 | Value = &Data1;\r | |
3051 | break;\r | |
3052 | \r | |
7936fb6a | 3053 | //\r |
3054 | // binary-op\r | |
3055 | //\r | |
3056 | case EFI_IFR_ADD_OP:\r | |
3057 | case EFI_IFR_SUBTRACT_OP:\r | |
3058 | case EFI_IFR_MULTIPLY_OP:\r | |
3059 | case EFI_IFR_DIVIDE_OP:\r | |
3060 | case EFI_IFR_MODULO_OP:\r | |
3061 | case EFI_IFR_BITWISE_AND_OP:\r | |
3062 | case EFI_IFR_BITWISE_OR_OP:\r | |
3063 | case EFI_IFR_SHIFT_LEFT_OP:\r | |
3064 | case EFI_IFR_SHIFT_RIGHT_OP:\r | |
3065 | //\r | |
3066 | // Pop an expression from the expression stack\r | |
3067 | //\r | |
3068 | Status = PopExpression (&Data2);\r | |
3069 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3070 | goto Done;\r |
7936fb6a | 3071 | }\r |
7936fb6a | 3072 | \r |
3073 | //\r | |
3074 | // Pop another expression from the expression stack\r | |
3075 | //\r | |
3076 | Status = PopExpression (&Data1);\r | |
3077 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3078 | goto Done;\r |
7936fb6a | 3079 | }\r |
8f420676 ED |
3080 | \r |
3081 | if (Data2.Type > EFI_IFR_TYPE_DATE) {\r | |
3082 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
3083 | break;\r | |
3084 | }\r | |
3085 | \r | |
3086 | \r | |
7936fb6a | 3087 | if (Data1.Type > EFI_IFR_TYPE_DATE) {\r |
8f420676 ED |
3088 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
3089 | break;\r | |
7936fb6a | 3090 | }\r |
3091 | \r | |
3092 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
3093 | \r | |
3094 | switch (OpCode->Operand) {\r | |
3095 | case EFI_IFR_ADD_OP:\r | |
40578d09 | 3096 | Value->Value.u64 = HiiValueToUINT64(&Data1) + HiiValueToUINT64(&Data2);\r |
7936fb6a | 3097 | break;\r |
3098 | \r | |
3099 | case EFI_IFR_SUBTRACT_OP:\r | |
40578d09 | 3100 | Value->Value.u64 = HiiValueToUINT64(&Data1) - HiiValueToUINT64(&Data2);\r |
7936fb6a | 3101 | break;\r |
3102 | \r | |
3103 | case EFI_IFR_MULTIPLY_OP:\r | |
40578d09 | 3104 | Value->Value.u64 = MultU64x32 (HiiValueToUINT64(&Data1), (UINT32) HiiValueToUINT64(&Data2));\r |
7936fb6a | 3105 | break;\r |
3106 | \r | |
3107 | case EFI_IFR_DIVIDE_OP:\r | |
40578d09 | 3108 | Value->Value.u64 = DivU64x32 (HiiValueToUINT64(&Data1), (UINT32) HiiValueToUINT64(&Data2));\r |
7936fb6a | 3109 | break;\r |
3110 | \r | |
3111 | case EFI_IFR_MODULO_OP:\r | |
40578d09 | 3112 | DivU64x32Remainder (HiiValueToUINT64(&Data1), (UINT32) HiiValueToUINT64(&Data2), &TempValue);\r |
7936fb6a | 3113 | Value->Value.u64 = TempValue;\r |
3114 | break;\r | |
3115 | \r | |
3116 | case EFI_IFR_BITWISE_AND_OP:\r | |
40578d09 | 3117 | Value->Value.u64 = HiiValueToUINT64(&Data1) & HiiValueToUINT64(&Data2);\r |
7936fb6a | 3118 | break;\r |
3119 | \r | |
3120 | case EFI_IFR_BITWISE_OR_OP:\r | |
40578d09 | 3121 | Value->Value.u64 = HiiValueToUINT64(&Data1) | HiiValueToUINT64(&Data2);\r |
7936fb6a | 3122 | break;\r |
3123 | \r | |
3124 | case EFI_IFR_SHIFT_LEFT_OP:\r | |
40578d09 | 3125 | Value->Value.u64 = LShiftU64 (HiiValueToUINT64(&Data1), (UINTN) HiiValueToUINT64(&Data2));\r |
7936fb6a | 3126 | break;\r |
3127 | \r | |
3128 | case EFI_IFR_SHIFT_RIGHT_OP:\r | |
40578d09 | 3129 | Value->Value.u64 = RShiftU64 (HiiValueToUINT64(&Data1), (UINTN) HiiValueToUINT64(&Data2));\r |
7936fb6a | 3130 | break;\r |
3131 | \r | |
3132 | default:\r | |
3133 | break;\r | |
3134 | }\r | |
3135 | break;\r | |
3136 | \r | |
3137 | case EFI_IFR_AND_OP:\r | |
3138 | case EFI_IFR_OR_OP:\r | |
3139 | //\r | |
3140 | // Two Boolean operator\r | |
3141 | //\r | |
3142 | Status = PopExpression (&Data2);\r | |
3143 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3144 | goto Done;\r |
7936fb6a | 3145 | }\r |
7936fb6a | 3146 | \r |
3147 | //\r | |
3148 | // Pop another expression from the expression stack\r | |
3149 | //\r | |
3150 | Status = PopExpression (&Data1);\r | |
3151 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3152 | goto Done;\r |
7936fb6a | 3153 | }\r |
8f420676 ED |
3154 | \r |
3155 | if (Data2.Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
3156 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
3157 | break;\r | |
3158 | }\r | |
3159 | \r | |
7936fb6a | 3160 | if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {\r |
8f420676 ED |
3161 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
3162 | break;\r | |
7936fb6a | 3163 | }\r |
3164 | \r | |
3165 | if (OpCode->Operand == EFI_IFR_AND_OP) {\r | |
3166 | Value->Value.b = (BOOLEAN) (Data1.Value.b && Data2.Value.b);\r | |
3167 | } else {\r | |
3168 | Value->Value.b = (BOOLEAN) (Data1.Value.b || Data2.Value.b);\r | |
3169 | }\r | |
3170 | break;\r | |
3171 | \r | |
3172 | case EFI_IFR_EQUAL_OP:\r | |
3173 | case EFI_IFR_NOT_EQUAL_OP:\r | |
3174 | case EFI_IFR_GREATER_EQUAL_OP:\r | |
3175 | case EFI_IFR_GREATER_THAN_OP:\r | |
3176 | case EFI_IFR_LESS_EQUAL_OP:\r | |
3177 | case EFI_IFR_LESS_THAN_OP:\r | |
3178 | //\r | |
3179 | // Compare two integer, string, boolean or date/time\r | |
3180 | //\r | |
3181 | Status = PopExpression (&Data2);\r | |
3182 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3183 | goto Done;\r |
7936fb6a | 3184 | }\r |
7936fb6a | 3185 | \r |
3186 | //\r | |
3187 | // Pop another expression from the expression stack\r | |
3188 | //\r | |
3189 | Status = PopExpression (&Data1);\r | |
3190 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3191 | goto Done;\r |
7936fb6a | 3192 | }\r |
3193 | \r | |
8f420676 ED |
3194 | if (Data2.Type > EFI_IFR_TYPE_BOOLEAN && \r |
3195 | Data2.Type != EFI_IFR_TYPE_STRING && \r | |
40578d09 | 3196 | !IsTypeInBuffer(&Data2)) {\r |
8f420676 ED |
3197 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
3198 | break;\r | |
3199 | }\r | |
3200 | \r | |
3201 | if (Data1.Type > EFI_IFR_TYPE_BOOLEAN && \r | |
3202 | Data1.Type != EFI_IFR_TYPE_STRING && \r | |
40578d09 | 3203 | !IsTypeInBuffer(&Data1)) {\r |
8f420676 ED |
3204 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
3205 | break;\r | |
3206 | }\r | |
3207 | \r | |
3208 | Status = CompareHiiValue (&Data1, &Data2, &Result, FormSet->HiiHandle);\r | |
901ba0e7 ED |
3209 | if (Data1.Type == EFI_IFR_TYPE_BUFFER) {\r |
3210 | FreePool (Data1.Buffer);\r | |
40578d09 ED |
3211 | }\r |
3212 | if (Data2.Type == EFI_IFR_TYPE_BUFFER) {\r | |
901ba0e7 ED |
3213 | FreePool (Data2.Buffer);\r |
3214 | }\r | |
3215 | \r | |
8f420676 ED |
3216 | if (Status == EFI_UNSUPPORTED) {\r |
3217 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
3218 | Status = EFI_SUCCESS;\r | |
3219 | break;\r | |
3220 | }\r | |
3221 | \r | |
3222 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3223 | goto Done;\r |
7936fb6a | 3224 | }\r |
3225 | \r | |
3226 | switch (OpCode->Operand) {\r | |
3227 | case EFI_IFR_EQUAL_OP:\r | |
3228 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r | |
3229 | break;\r | |
3230 | \r | |
3231 | case EFI_IFR_NOT_EQUAL_OP:\r | |
7b9b2b92 | 3232 | Value->Value.b = (BOOLEAN) ((Result != 0) ? TRUE : FALSE);\r |
7936fb6a | 3233 | break;\r |
3234 | \r | |
3235 | case EFI_IFR_GREATER_EQUAL_OP:\r | |
3236 | Value->Value.b = (BOOLEAN) ((Result >= 0) ? TRUE : FALSE);\r | |
3237 | break;\r | |
3238 | \r | |
3239 | case EFI_IFR_GREATER_THAN_OP:\r | |
3240 | Value->Value.b = (BOOLEAN) ((Result > 0) ? TRUE : FALSE);\r | |
3241 | break;\r | |
3242 | \r | |
3243 | case EFI_IFR_LESS_EQUAL_OP:\r | |
3244 | Value->Value.b = (BOOLEAN) ((Result <= 0) ? TRUE : FALSE);\r | |
3245 | break;\r | |
3246 | \r | |
3247 | case EFI_IFR_LESS_THAN_OP:\r | |
3248 | Value->Value.b = (BOOLEAN) ((Result < 0) ? TRUE : FALSE);\r | |
3249 | break;\r | |
3250 | \r | |
3251 | default:\r | |
3252 | break;\r | |
3253 | }\r | |
3254 | break;\r | |
3255 | \r | |
3256 | case EFI_IFR_MATCH_OP:\r | |
20258293 ED |
3257 | Status = InitializeUnicodeCollationProtocol ();\r |
3258 | if (EFI_ERROR (Status)) {\r | |
3259 | goto Done;\r | |
3260 | }\r | |
3261 | \r | |
7936fb6a | 3262 | Status = IfrMatch (FormSet, Value);\r |
3263 | break;\r | |
3264 | \r | |
3265 | case EFI_IFR_CATENATE_OP:\r | |
3266 | Status = IfrCatenate (FormSet, Value);\r | |
3267 | break;\r | |
3268 | \r | |
3269 | //\r | |
3270 | // ternary-op\r | |
3271 | //\r | |
3272 | case EFI_IFR_CONDITIONAL_OP:\r | |
3273 | //\r | |
3274 | // Pop third expression from the expression stack\r | |
3275 | //\r | |
3276 | Status = PopExpression (&Data3);\r | |
3277 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3278 | goto Done;\r |
7936fb6a | 3279 | }\r |
3280 | \r | |
3281 | //\r | |
3282 | // Pop second expression from the expression stack\r | |
3283 | //\r | |
3284 | Status = PopExpression (&Data2);\r | |
3285 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3286 | goto Done;\r |
7936fb6a | 3287 | }\r |
3288 | \r | |
3289 | //\r | |
3290 | // Pop first expression from the expression stack\r | |
3291 | //\r | |
3292 | Status = PopExpression (&Data1);\r | |
3293 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3294 | goto Done;\r |
7936fb6a | 3295 | }\r |
3296 | if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
8f420676 ED |
3297 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
3298 | break;\r | |
7936fb6a | 3299 | }\r |
3300 | \r | |
3301 | if (Data1.Value.b) {\r | |
3302 | Value = &Data3;\r | |
3303 | } else {\r | |
3304 | Value = &Data2;\r | |
3305 | }\r | |
3306 | break;\r | |
3307 | \r | |
3308 | case EFI_IFR_FIND_OP:\r | |
3309 | Status = IfrFind (FormSet, OpCode->Format, Value);\r | |
3310 | break;\r | |
3311 | \r | |
3312 | case EFI_IFR_MID_OP:\r | |
3313 | Status = IfrMid (FormSet, Value);\r | |
3314 | break;\r | |
3315 | \r | |
3316 | case EFI_IFR_TOKEN_OP:\r | |
3317 | Status = IfrToken (FormSet, Value);\r | |
3318 | break;\r | |
3319 | \r | |
3320 | case EFI_IFR_SPAN_OP:\r | |
3321 | Status = IfrSpan (FormSet, OpCode->Flags, Value);\r | |
3322 | break;\r | |
3323 | \r | |
2573712e LG |
3324 | case EFI_IFR_MAP_OP:\r |
3325 | //\r | |
3326 | // Pop the check value\r | |
3327 | //\r | |
3328 | Status = PopExpression (&Data1);\r | |
3329 | if (EFI_ERROR (Status)) {\r | |
3330 | goto Done;\r | |
3331 | }\r | |
3332 | //\r | |
3333 | // Check MapExpression list is valid.\r | |
3334 | //\r | |
3335 | if (OpCode->MapExpressionList.ForwardLink == NULL) {\r | |
3336 | Status = EFI_INVALID_PARAMETER;\r | |
3337 | goto Done;\r | |
3338 | }\r | |
3339 | //\r | |
3340 | // Go through map expression list.\r | |
3341 | //\r | |
3342 | SubExpressionLink = GetFirstNode(&OpCode->MapExpressionList);\r | |
3343 | while (!IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
3344 | SubExpression = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);\r | |
3345 | //\r | |
3346 | // Evaluate the first expression in this pair.\r | |
3347 | //\r | |
3348 | Status = EvaluateExpression (FormSet, Form, SubExpression);\r | |
3349 | if (EFI_ERROR (Status)) {\r | |
3350 | goto Done;\r | |
3351 | }\r | |
3352 | //\r | |
3353 | // Compare the expression value with current value\r | |
3354 | //\r | |
8f420676 | 3355 | if ((CompareHiiValue (&Data1, &SubExpression->Result, &Result, NULL) == EFI_SUCCESS) && (Result == 0)) {\r |
2573712e LG |
3356 | //\r |
3357 | // Try get the map value.\r | |
3358 | //\r | |
3359 | SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);\r | |
3360 | if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
3361 | Status = EFI_INVALID_PARAMETER;\r | |
3362 | goto Done;\r | |
3363 | }\r | |
3364 | SubExpression = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);\r | |
3365 | Status = EvaluateExpression (FormSet, Form, SubExpression);\r | |
3366 | if (EFI_ERROR (Status)) {\r | |
3367 | goto Done;\r | |
3368 | }\r | |
3369 | Value = &SubExpression->Result;\r | |
3370 | break;\r | |
3371 | }\r | |
3372 | //\r | |
3373 | // Skip the second expression on this pair.\r | |
3374 | //\r | |
3375 | SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);\r | |
3376 | if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
3377 | Status = EFI_INVALID_PARAMETER;\r | |
3378 | goto Done;\r | |
3379 | }\r | |
3380 | //\r | |
3381 | // Goto the first expression on next pair.\r | |
3382 | //\r | |
3383 | SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);\r | |
3384 | }\r | |
3385 | \r | |
3386 | //\r | |
3387 | // No map value is found.\r | |
3388 | //\r | |
3389 | if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
3390 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
3391 | Value->Value.u8 = 0;\r | |
3392 | }\r | |
3393 | break;\r | |
3394 | \r | |
7936fb6a | 3395 | default:\r |
3396 | break;\r | |
3397 | }\r | |
8f420676 | 3398 | if (EFI_ERROR (Status) || Value->Type == EFI_IFR_TYPE_UNDEFINED) {\r |
2573712e | 3399 | goto Done;\r |
7936fb6a | 3400 | }\r |
3401 | \r | |
3402 | Status = PushExpression (Value);\r | |
3403 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3404 | goto Done;\r |
7936fb6a | 3405 | }\r |
3406 | }\r | |
3407 | \r | |
3408 | //\r | |
3409 | // Pop the final result from expression stack\r | |
3410 | //\r | |
3411 | Value = &Data1;\r | |
3412 | Status = PopExpression (Value);\r | |
3413 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3414 | goto Done;\r |
7936fb6a | 3415 | }\r |
3416 | \r | |
3417 | //\r | |
3418 | // After evaluating an expression, there should be only one value left on the expression stack\r | |
3419 | //\r | |
3420 | if (PopExpression (Value) != EFI_ACCESS_DENIED) {\r | |
2573712e | 3421 | Status = EFI_INVALID_PARAMETER;\r |
7936fb6a | 3422 | }\r |
3423 | \r | |
2573712e LG |
3424 | Done:\r |
3425 | RestoreExpressionEvaluationStackOffset (StackOffset);\r | |
3426 | if (!EFI_ERROR (Status)) {\r | |
3427 | CopyMem (&Expression->Result, Value, sizeof (EFI_HII_VALUE));\r | |
3428 | }\r | |
7936fb6a | 3429 | \r |
2573712e | 3430 | return Status;\r |
7936fb6a | 3431 | }\r |
31585af4 | 3432 | \r |
e6106e89 ED |
3433 | /**\r |
3434 | Check whether the result is TRUE or FALSE.\r | |
3435 | \r | |
3436 | For the EFI_HII_VALUE value type is numeric, return TRUE if the\r | |
3437 | value is not 0.\r | |
3438 | \r | |
3439 | @param Result Input the result data.\r | |
3440 | \r | |
3441 | @retval TRUE The result is TRUE.\r | |
3442 | @retval FALSE The result is FALSE.\r | |
3443 | \r | |
3444 | **/\r | |
3445 | BOOLEAN\r | |
3446 | IsTrue (\r | |
3447 | IN EFI_HII_VALUE *Result\r | |
3448 | )\r | |
3449 | {\r | |
3450 | switch (Result->Type) {\r | |
3451 | case EFI_IFR_TYPE_BOOLEAN:\r | |
3452 | return Result->Value.b;\r | |
3453 | \r | |
3454 | case EFI_IFR_TYPE_NUM_SIZE_8:\r | |
4f467fd3 | 3455 | return (BOOLEAN)(Result->Value.u8 != 0);\r |
e6106e89 ED |
3456 | \r |
3457 | case EFI_IFR_TYPE_NUM_SIZE_16:\r | |
4f467fd3 | 3458 | return (BOOLEAN)(Result->Value.u16 != 0);\r |
e6106e89 ED |
3459 | \r |
3460 | case EFI_IFR_TYPE_NUM_SIZE_32:\r | |
4f467fd3 | 3461 | return (BOOLEAN)(Result->Value.u32 != 0);\r |
e6106e89 ED |
3462 | \r |
3463 | case EFI_IFR_TYPE_NUM_SIZE_64:\r | |
4f467fd3 | 3464 | return (BOOLEAN)(Result->Value.u64 != 0);\r |
e6106e89 ED |
3465 | \r |
3466 | default:\r | |
3467 | return FALSE;\r | |
3468 | }\r | |
3469 | }\r | |
3470 | \r | |
31585af4 ED |
3471 | /**\r |
3472 | Return the result of the expression list. Check the expression list and \r | |
3473 | return the highest priority express result. \r | |
3474 | Priority: DisableIf > SuppressIf > GrayOutIf > FALSE\r | |
3475 | \r | |
3476 | @param ExpList The input expression list.\r | |
3477 | @param Evaluate Whether need to evaluate the expression first.\r | |
3478 | @param FormSet FormSet associated with this expression.\r | |
3479 | @param Form Form associated with this expression. \r | |
3480 | \r | |
3481 | @retval EXPRESS_RESULT Return the higher priority express result. \r | |
3482 | DisableIf > SuppressIf > GrayOutIf > FALSE\r | |
3483 | \r | |
3484 | **/\r | |
3485 | EXPRESS_RESULT \r | |
3486 | EvaluateExpressionList (\r | |
3487 | IN FORM_EXPRESSION_LIST *ExpList,\r | |
3488 | IN BOOLEAN Evaluate,\r | |
3489 | IN FORM_BROWSER_FORMSET *FormSet, OPTIONAL\r | |
3490 | IN FORM_BROWSER_FORM *Form OPTIONAL\r | |
3491 | )\r | |
3492 | {\r | |
3493 | UINTN Index;\r | |
3494 | EXPRESS_RESULT ReturnVal;\r | |
3495 | EXPRESS_RESULT CompareOne;\r | |
3496 | EFI_STATUS Status;\r | |
3497 | \r | |
3498 | if (ExpList == NULL) {\r | |
3499 | return ExpressFalse;\r | |
3500 | }\r | |
3501 | \r | |
3502 | ASSERT(ExpList->Signature == FORM_EXPRESSION_LIST_SIGNATURE);\r | |
3503 | Index = 0;\r | |
3504 | \r | |
3505 | //\r | |
3506 | // Check whether need to evaluate the expression first.\r | |
3507 | //\r | |
3508 | if (Evaluate) { \r | |
3509 | while (ExpList->Count > Index) {\r | |
3510 | Status = EvaluateExpression (FormSet, Form, ExpList->Expression[Index++]);\r | |
3511 | if (EFI_ERROR (Status)) {\r | |
3512 | return ExpressFalse;\r | |
3513 | }\r | |
3514 | }\r | |
3515 | }\r | |
3516 | \r | |
3517 | //\r | |
3518 | // Run the list of expressions.\r | |
3519 | //\r | |
3520 | ReturnVal = ExpressFalse;\r | |
3521 | for (Index = 0; Index < ExpList->Count; Index++) {\r | |
e6106e89 | 3522 | if (IsTrue (&ExpList->Expression[Index]->Result)) {\r |
31585af4 ED |
3523 | switch (ExpList->Expression[Index]->Type) {\r |
3524 | case EFI_HII_EXPRESSION_SUPPRESS_IF:\r | |
3525 | CompareOne = ExpressSuppress;\r | |
3526 | break;\r | |
3527 | \r | |
3528 | case EFI_HII_EXPRESSION_GRAY_OUT_IF:\r | |
3529 | CompareOne = ExpressGrayOut;\r | |
3530 | break;\r | |
3531 | \r | |
3532 | case EFI_HII_EXPRESSION_DISABLE_IF:\r | |
3533 | CompareOne = ExpressDisable;\r | |
3534 | break;\r | |
3535 | \r | |
3536 | default:\r | |
3537 | return ExpressFalse; \r | |
3538 | }\r | |
3539 | \r | |
3540 | ReturnVal = ReturnVal < CompareOne ? CompareOne : ReturnVal;\r | |
3541 | }\r | |
3542 | }\r | |
3543 | \r | |
3544 | return ReturnVal;\r | |
3545 | }\r |