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7936fb6a | 1 | /** @file\r |
2 | Utility functions for expression evaluation.\r | |
3 | \r | |
e8ef4283 | 4 | Copyright (c) 2007 - 2012, 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 | |
790 | )\r | |
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 | |
991 | \r | |
992 | /**\r | |
993 | Evaluate opcode EFI_IFR_TO_STRING.\r | |
994 | \r | |
995 | @param FormSet Formset which contains this opcode.\r | |
996 | @param Format String format in EFI_IFR_TO_STRING.\r | |
997 | @param Result Evaluation result for this opcode.\r | |
998 | \r | |
999 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1000 | @retval Other Opcode evaluation failed.\r | |
1001 | \r | |
1002 | **/\r | |
1003 | EFI_STATUS\r | |
1004 | IfrToString (\r | |
1005 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1006 | IN UINT8 Format,\r | |
1007 | OUT EFI_HII_VALUE *Result\r | |
1008 | )\r | |
1009 | {\r | |
1010 | EFI_STATUS Status;\r | |
1011 | EFI_HII_VALUE Value;\r | |
1012 | CHAR16 *String;\r | |
1013 | CHAR16 *PrintFormat;\r | |
1014 | CHAR16 Buffer[MAXIMUM_VALUE_CHARACTERS];\r | |
901ba0e7 | 1015 | UINT8 *TmpBuf;\r |
7936fb6a | 1016 | UINTN BufferSize;\r |
1017 | \r | |
1018 | Status = PopExpression (&Value);\r | |
1019 | if (EFI_ERROR (Status)) {\r | |
1020 | return Status;\r | |
1021 | }\r | |
1022 | \r | |
1023 | switch (Value.Type) {\r | |
1024 | case EFI_IFR_TYPE_NUM_SIZE_8:\r | |
1025 | case EFI_IFR_TYPE_NUM_SIZE_16:\r | |
1026 | case EFI_IFR_TYPE_NUM_SIZE_32:\r | |
1027 | case EFI_IFR_TYPE_NUM_SIZE_64:\r | |
1028 | BufferSize = MAXIMUM_VALUE_CHARACTERS * sizeof (CHAR16);\r | |
1029 | switch (Format) {\r | |
1030 | case EFI_IFR_STRING_UNSIGNED_DEC:\r | |
1031 | case EFI_IFR_STRING_SIGNED_DEC:\r | |
1032 | PrintFormat = L"%ld";\r | |
1033 | break;\r | |
1034 | \r | |
1035 | case EFI_IFR_STRING_LOWERCASE_HEX:\r | |
1036 | PrintFormat = L"%lx";\r | |
1037 | break;\r | |
1038 | \r | |
1039 | case EFI_IFR_STRING_UPPERCASE_HEX:\r | |
1040 | PrintFormat = L"%lX";\r | |
1041 | break;\r | |
1042 | \r | |
1043 | default:\r | |
8f420676 ED |
1044 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1045 | return EFI_SUCCESS;\r | |
7936fb6a | 1046 | }\r |
1047 | UnicodeSPrint (Buffer, BufferSize, PrintFormat, Value.Value.u64);\r | |
1048 | String = Buffer;\r | |
1049 | break;\r | |
1050 | \r | |
1051 | case EFI_IFR_TYPE_STRING:\r | |
1052 | CopyMem (Result, &Value, sizeof (EFI_HII_VALUE));\r | |
1053 | return EFI_SUCCESS;\r | |
1054 | \r | |
1055 | case EFI_IFR_TYPE_BOOLEAN:\r | |
1056 | String = (Value.Value.b) ? L"True" : L"False";\r | |
1057 | break;\r | |
901ba0e7 ED |
1058 | \r |
1059 | case EFI_IFR_TYPE_BUFFER:\r | |
1060 | //\r | |
1061 | // + 3 is base on the unicode format, the length may be odd number, \r | |
1062 | // so need 1 byte to align, also need 2 bytes for L'\0'.\r | |
1063 | //\r | |
1064 | TmpBuf = AllocateZeroPool (Value.BufferLen + 3);\r | |
db40504e | 1065 | ASSERT (TmpBuf != NULL);\r |
901ba0e7 ED |
1066 | if (Format == EFI_IFR_STRING_ASCII) {\r |
1067 | CopyMem (TmpBuf, Value.Buffer, Value.BufferLen);\r | |
1068 | PrintFormat = L"%a"; \r | |
1069 | } else {\r | |
1070 | // Format == EFI_IFR_STRING_UNICODE\r | |
1071 | CopyMem (TmpBuf, Value.Buffer, Value.BufferLen * sizeof (CHAR16));\r | |
1072 | PrintFormat = L"%s"; \r | |
1073 | }\r | |
dbcecd5d | 1074 | UnicodeSPrint (Buffer, sizeof (Buffer), PrintFormat, Value.Buffer); \r |
901ba0e7 ED |
1075 | String = Buffer; \r |
1076 | FreePool (TmpBuf);\r | |
1077 | FreePool (Value.Buffer);\r | |
1078 | break;\r | |
1079 | \r | |
7936fb6a | 1080 | default:\r |
8f420676 ED |
1081 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1082 | return EFI_SUCCESS;\r | |
7936fb6a | 1083 | }\r |
1084 | \r | |
1085 | Result->Type = EFI_IFR_TYPE_STRING;\r | |
1086 | Result->Value.string = NewString (String, FormSet->HiiHandle);\r | |
1087 | return EFI_SUCCESS;\r | |
1088 | }\r | |
1089 | \r | |
1090 | \r | |
1091 | /**\r | |
1092 | Evaluate opcode EFI_IFR_TO_UINT.\r | |
1093 | \r | |
1094 | @param FormSet Formset which contains this opcode.\r | |
1095 | @param Result Evaluation result for this opcode.\r | |
1096 | \r | |
1097 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1098 | @retval Other Opcode evaluation failed.\r | |
1099 | \r | |
1100 | **/\r | |
1101 | EFI_STATUS\r | |
1102 | IfrToUint (\r | |
1103 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1104 | OUT EFI_HII_VALUE *Result\r | |
1105 | )\r | |
1106 | {\r | |
1107 | EFI_STATUS Status;\r | |
1108 | EFI_HII_VALUE Value;\r | |
1109 | CHAR16 *String;\r | |
1110 | CHAR16 *StringPtr;\r | |
7936fb6a | 1111 | \r |
1112 | Status = PopExpression (&Value);\r | |
1113 | if (EFI_ERROR (Status)) {\r | |
1114 | return Status;\r | |
1115 | }\r | |
1116 | \r | |
901ba0e7 | 1117 | if (Value.Type >= EFI_IFR_TYPE_OTHER && Value.Type != EFI_IFR_TYPE_BUFFER) {\r |
8f420676 ED |
1118 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1119 | return EFI_SUCCESS;\r | |
7936fb6a | 1120 | }\r |
1121 | \r | |
1122 | Status = EFI_SUCCESS;\r | |
1123 | if (Value.Type == EFI_IFR_TYPE_STRING) {\r | |
1124 | String = GetToken (Value.Value.string, FormSet->HiiHandle);\r | |
1125 | if (String == NULL) {\r | |
1126 | return EFI_NOT_FOUND;\r | |
1127 | }\r | |
8b0fc5c1 | 1128 | \r |
7936fb6a | 1129 | IfrStrToUpper (String);\r |
1130 | StringPtr = StrStr (String, L"0X");\r | |
1131 | if (StringPtr != NULL) {\r | |
1132 | //\r | |
1133 | // Hex string\r | |
1134 | //\r | |
ac7e320c | 1135 | Result->Value.u64 = StrHexToUint64 (String);\r |
7936fb6a | 1136 | } else {\r |
1137 | //\r | |
ac7e320c | 1138 | // decimal string\r |
7936fb6a | 1139 | //\r |
ac7e320c | 1140 | Result->Value.u64 = StrDecimalToUint64 (String);\r |
7936fb6a | 1141 | }\r |
f4113e1f | 1142 | FreePool (String);\r |
901ba0e7 ED |
1143 | } else if (Value.Type == EFI_IFR_TYPE_BUFFER) {\r |
1144 | if (Value.BufferLen > 8) {\r | |
1145 | FreePool (Value.Buffer);\r | |
8f420676 ED |
1146 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1147 | return EFI_SUCCESS;\r | |
901ba0e7 ED |
1148 | }\r |
1149 | Result->Value.u64 = *(UINT64*) Value.Buffer;\r | |
1150 | FreePool (Value.Buffer);\r | |
7936fb6a | 1151 | } else {\r |
1152 | CopyMem (Result, &Value, sizeof (EFI_HII_VALUE));\r | |
1153 | }\r | |
1154 | \r | |
1155 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
1156 | return Status;\r | |
1157 | }\r | |
1158 | \r | |
1159 | \r | |
1160 | /**\r | |
1161 | Evaluate opcode EFI_IFR_CATENATE.\r | |
1162 | \r | |
1163 | @param FormSet Formset which contains this opcode.\r | |
1164 | @param Result Evaluation result for this opcode.\r | |
1165 | \r | |
1166 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1167 | @retval Other Opcode evaluation failed.\r | |
1168 | \r | |
1169 | **/\r | |
1170 | EFI_STATUS\r | |
1171 | IfrCatenate (\r | |
1172 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1173 | OUT EFI_HII_VALUE *Result\r | |
1174 | )\r | |
1175 | {\r | |
1176 | EFI_STATUS Status;\r | |
901ba0e7 | 1177 | EFI_HII_VALUE Value[2];\r |
7936fb6a | 1178 | CHAR16 *String[2];\r |
1179 | UINTN Index;\r | |
1180 | CHAR16 *StringPtr;\r | |
1181 | UINTN Size;\r | |
1182 | \r | |
1183 | //\r | |
1184 | // String[0] - The second string\r | |
1185 | // String[1] - The first string\r | |
1186 | //\r | |
1187 | String[0] = NULL;\r | |
1188 | String[1] = NULL;\r | |
1189 | StringPtr = NULL;\r | |
1190 | Status = EFI_SUCCESS;\r | |
901ba0e7 | 1191 | ZeroMem (Value, sizeof (Value));\r |
7936fb6a | 1192 | \r |
8f420676 ED |
1193 | Status = PopExpression (&Value[0]);\r |
1194 | if (EFI_ERROR (Status)) {\r | |
1195 | goto Done;\r | |
1196 | }\r | |
1197 | \r | |
1198 | Status = PopExpression (&Value[1]);\r | |
1199 | if (EFI_ERROR (Status)) {\r | |
1200 | goto Done;\r | |
1201 | }\r | |
7936fb6a | 1202 | \r |
8f420676 | 1203 | for (Index = 0; Index < 2; Index++) {\r |
901ba0e7 | 1204 | if (Value[Index].Type != EFI_IFR_TYPE_STRING && Value[Index].Type != EFI_IFR_TYPE_BUFFER) {\r |
8f420676 ED |
1205 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1206 | Status = EFI_SUCCESS;\r | |
7936fb6a | 1207 | goto Done;\r |
1208 | }\r | |
1209 | \r | |
901ba0e7 ED |
1210 | if (Value[Index].Type == EFI_IFR_TYPE_STRING) {\r |
1211 | String[Index] = GetToken (Value[Index].Value.string, FormSet->HiiHandle);\r | |
1212 | if (String[Index] == NULL) {\r | |
1213 | Status = EFI_NOT_FOUND;\r | |
1214 | goto Done;\r | |
1215 | }\r | |
7936fb6a | 1216 | }\r |
1217 | }\r | |
1218 | \r | |
901ba0e7 ED |
1219 | if (Value[0].Type == EFI_IFR_TYPE_STRING) {\r |
1220 | Size = StrSize (String[0]);\r | |
1221 | StringPtr= AllocatePool (StrSize (String[1]) + Size);\r | |
1222 | ASSERT (StringPtr != NULL);\r | |
1223 | StrCpy (StringPtr, String[1]);\r | |
1224 | StrCat (StringPtr, String[0]);\r | |
7936fb6a | 1225 | \r |
901ba0e7 ED |
1226 | Result->Type = EFI_IFR_TYPE_STRING;\r |
1227 | Result->Value.string = NewString (StringPtr, FormSet->HiiHandle);\r | |
1228 | } else {\r | |
1229 | Result->Type = EFI_IFR_TYPE_BUFFER;\r | |
1230 | Result->BufferLen = (UINT16) (Value[0].BufferLen + Value[1].BufferLen);\r | |
1231 | \r | |
1232 | Result->Buffer = AllocateZeroPool (Result->BufferLen);\r | |
1233 | ASSERT (Result->Buffer != NULL);\r | |
7936fb6a | 1234 | \r |
901ba0e7 ED |
1235 | CopyMem (Result->Buffer, Value[0].Buffer, Value[0].BufferLen);\r |
1236 | CopyMem (&Result->Buffer[Value[0].BufferLen], Value[1].Buffer, Value[1].BufferLen);\r | |
1237 | }\r | |
7936fb6a | 1238 | Done:\r |
901ba0e7 ED |
1239 | if (Value[0].Buffer != NULL) {\r |
1240 | FreePool (Value[0].Buffer);\r | |
1241 | }\r | |
1242 | if (Value[1].Buffer != NULL) {\r | |
1243 | FreePool (Value[1].Buffer);\r | |
1244 | }\r | |
676df92c | 1245 | if (String[0] != NULL) {\r |
1246 | FreePool (String[0]);\r | |
1247 | }\r | |
1248 | if (String[1] != NULL) {\r | |
1249 | FreePool (String[1]);\r | |
8b0fc5c1 | 1250 | }\r |
676df92c | 1251 | if (StringPtr != NULL) {\r |
1252 | FreePool (StringPtr);\r | |
1253 | }\r | |
7936fb6a | 1254 | \r |
1255 | return Status;\r | |
1256 | }\r | |
1257 | \r | |
1258 | \r | |
1259 | /**\r | |
1260 | Evaluate opcode EFI_IFR_MATCH.\r | |
1261 | \r | |
1262 | @param FormSet Formset which contains this opcode.\r | |
1263 | @param Result Evaluation result for this opcode.\r | |
1264 | \r | |
1265 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1266 | @retval Other Opcode evaluation failed.\r | |
1267 | \r | |
1268 | **/\r | |
1269 | EFI_STATUS\r | |
1270 | IfrMatch (\r | |
1271 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1272 | OUT EFI_HII_VALUE *Result\r | |
1273 | )\r | |
1274 | {\r | |
1275 | EFI_STATUS Status;\r | |
8f420676 | 1276 | EFI_HII_VALUE Value[2];\r |
7936fb6a | 1277 | CHAR16 *String[2];\r |
1278 | UINTN Index;\r | |
1279 | \r | |
1280 | //\r | |
1281 | // String[0] - The string to search\r | |
1282 | // String[1] - pattern\r | |
1283 | //\r | |
1284 | String[0] = NULL;\r | |
1285 | String[1] = NULL;\r | |
1286 | Status = EFI_SUCCESS;\r | |
8f420676 ED |
1287 | ZeroMem (Value, sizeof (Value));\r |
1288 | \r | |
1289 | Status = PopExpression (&Value[0]);\r | |
1290 | if (EFI_ERROR (Status)) {\r | |
1291 | goto Done;\r | |
1292 | }\r | |
1293 | \r | |
1294 | Status = PopExpression (&Value[1]);\r | |
1295 | if (EFI_ERROR (Status)) {\r | |
1296 | goto Done;\r | |
1297 | }\r | |
7936fb6a | 1298 | \r |
8f420676 ED |
1299 | for (Index = 0; Index < 2; Index++) {\r |
1300 | if (Value[Index].Type != EFI_IFR_TYPE_STRING) {\r | |
1301 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1302 | Status = EFI_SUCCESS;\r | |
7936fb6a | 1303 | goto Done;\r |
1304 | }\r | |
1305 | \r | |
8f420676 | 1306 | String[Index] = GetToken (Value[Index].Value.string, FormSet->HiiHandle);\r |
bc166db3 | 1307 | if (String [Index] == NULL) {\r |
7936fb6a | 1308 | Status = EFI_NOT_FOUND;\r |
1309 | goto Done;\r | |
1310 | }\r | |
1311 | }\r | |
1312 | \r | |
1313 | Result->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
1314 | Result->Value.b = mUnicodeCollation->MetaiMatch (mUnicodeCollation, String[0], String[1]);\r | |
1315 | \r | |
1316 | Done:\r | |
676df92c | 1317 | if (String[0] != NULL) {\r |
1318 | FreePool (String[0]);\r | |
1319 | }\r | |
1320 | if (String[1] != NULL) {\r | |
1321 | FreePool (String[1]);\r | |
8b0fc5c1 | 1322 | }\r |
7936fb6a | 1323 | \r |
1324 | return Status;\r | |
1325 | }\r | |
1326 | \r | |
1327 | \r | |
1328 | /**\r | |
1329 | Evaluate opcode EFI_IFR_FIND.\r | |
1330 | \r | |
1331 | @param FormSet Formset which contains this opcode.\r | |
1332 | @param Format Case sensitive or insensitive.\r | |
1333 | @param Result Evaluation result for this opcode.\r | |
1334 | \r | |
1335 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1336 | @retval Other Opcode evaluation failed.\r | |
1337 | \r | |
1338 | **/\r | |
1339 | EFI_STATUS\r | |
1340 | IfrFind (\r | |
1341 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1342 | IN UINT8 Format,\r | |
1343 | OUT EFI_HII_VALUE *Result\r | |
1344 | )\r | |
1345 | {\r | |
1346 | EFI_STATUS Status;\r | |
8f420676 | 1347 | EFI_HII_VALUE Value[3];\r |
7936fb6a | 1348 | CHAR16 *String[2];\r |
1349 | UINTN Base;\r | |
1350 | CHAR16 *StringPtr;\r | |
1351 | UINTN Index;\r | |
1352 | \r | |
8f420676 ED |
1353 | ZeroMem (Value, sizeof (Value));\r |
1354 | \r | |
7936fb6a | 1355 | if (Format > EFI_IFR_FF_CASE_INSENSITIVE) {\r |
8f420676 | 1356 | return EFI_INVALID_PARAMETER;\r |
7936fb6a | 1357 | }\r |
1358 | \r | |
8f420676 ED |
1359 | Status = PopExpression (&Value[0]);\r |
1360 | if (EFI_ERROR (Status)) {\r | |
1361 | return Status;\r | |
1362 | }\r | |
1363 | \r | |
1364 | Status = PopExpression (&Value[1]);\r | |
7936fb6a | 1365 | if (EFI_ERROR (Status)) {\r |
1366 | return Status;\r | |
1367 | }\r | |
8f420676 ED |
1368 | \r |
1369 | Status = PopExpression (&Value[2]);\r | |
1370 | if (EFI_ERROR (Status)) {\r | |
1371 | return Status;\r | |
1372 | } \r | |
1373 | \r | |
1374 | if (Value[0].Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1375 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1376 | return EFI_SUCCESS;\r | |
7936fb6a | 1377 | }\r |
8f420676 | 1378 | Base = (UINTN) Value[0].Value.u64;\r |
7936fb6a | 1379 | \r |
1380 | //\r | |
1381 | // String[0] - sub-string\r | |
1382 | // String[1] - The string to search\r | |
1383 | //\r | |
1384 | String[0] = NULL;\r | |
1385 | String[1] = NULL;\r | |
1386 | for (Index = 0; Index < 2; Index++) {\r | |
8f420676 ED |
1387 | if (Value[Index + 1].Type != EFI_IFR_TYPE_STRING) {\r |
1388 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1389 | Status = EFI_SUCCESS;\r | |
7936fb6a | 1390 | goto Done;\r |
1391 | }\r | |
1392 | \r | |
8f420676 | 1393 | String[Index] = GetToken (Value[Index + 1].Value.string, FormSet->HiiHandle);\r |
d0720b57 | 1394 | if (String[Index] == NULL) {\r |
7936fb6a | 1395 | Status = EFI_NOT_FOUND;\r |
1396 | goto Done;\r | |
1397 | }\r | |
1398 | \r | |
1399 | if (Format == EFI_IFR_FF_CASE_INSENSITIVE) {\r | |
1400 | //\r | |
1401 | // Case insensitive, convert both string to upper case\r | |
1402 | //\r | |
1403 | IfrStrToUpper (String[Index]);\r | |
1404 | }\r | |
1405 | }\r | |
1406 | \r | |
1407 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
1408 | if (Base >= StrLen (String[1])) {\r | |
1409 | Result->Value.u64 = 0xFFFFFFFFFFFFFFFFULL;\r | |
1410 | } else {\r | |
1411 | StringPtr = StrStr (String[1] + Base, String[0]);\r | |
1412 | Result->Value.u64 = (StringPtr == NULL) ? 0xFFFFFFFFFFFFFFFFULL : (StringPtr - String[1]);\r | |
1413 | }\r | |
1414 | \r | |
1415 | Done:\r | |
676df92c | 1416 | if (String[0] != NULL) {\r |
1417 | FreePool (String[0]);\r | |
1418 | }\r | |
1419 | if (String[1] != NULL) {\r | |
1420 | FreePool (String[1]);\r | |
8b0fc5c1 | 1421 | }\r |
7936fb6a | 1422 | \r |
1423 | return Status;\r | |
1424 | }\r | |
1425 | \r | |
1426 | \r | |
1427 | /**\r | |
1428 | Evaluate opcode EFI_IFR_MID.\r | |
1429 | \r | |
1430 | @param FormSet Formset which contains this opcode.\r | |
1431 | @param Result Evaluation result for this opcode.\r | |
1432 | \r | |
1433 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1434 | @retval Other Opcode evaluation failed.\r | |
1435 | \r | |
1436 | **/\r | |
1437 | EFI_STATUS\r | |
1438 | IfrMid (\r | |
1439 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1440 | OUT EFI_HII_VALUE *Result\r | |
1441 | )\r | |
1442 | {\r | |
1443 | EFI_STATUS Status;\r | |
8f420676 | 1444 | EFI_HII_VALUE Value[3];\r |
7936fb6a | 1445 | CHAR16 *String;\r |
1446 | UINTN Base;\r | |
1447 | UINTN Length;\r | |
1448 | CHAR16 *SubString;\r | |
901ba0e7 ED |
1449 | UINT8 *Buffer;\r |
1450 | UINT16 BufferLen;\r | |
7936fb6a | 1451 | \r |
8f420676 ED |
1452 | ZeroMem (Value, sizeof (Value));\r |
1453 | \r | |
1454 | Status = PopExpression (&Value[0]);\r | |
7936fb6a | 1455 | if (EFI_ERROR (Status)) {\r |
1456 | return Status;\r | |
1457 | }\r | |
7936fb6a | 1458 | \r |
8f420676 | 1459 | Status = PopExpression (&Value[1]);\r |
7936fb6a | 1460 | if (EFI_ERROR (Status)) {\r |
1461 | return Status;\r | |
1462 | }\r | |
7936fb6a | 1463 | \r |
8f420676 | 1464 | Status = PopExpression (&Value[2]);\r |
7936fb6a | 1465 | if (EFI_ERROR (Status)) {\r |
1466 | return Status;\r | |
8f420676 ED |
1467 | } \r |
1468 | \r | |
1469 | if (Value[0].Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1470 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1471 | return EFI_SUCCESS;\r | |
7936fb6a | 1472 | }\r |
8f420676 ED |
1473 | Length = (UINTN) Value[0].Value.u64;\r |
1474 | \r | |
1475 | if (Value[1].Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1476 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1477 | return EFI_SUCCESS;\r | |
7936fb6a | 1478 | }\r |
8f420676 ED |
1479 | Base = (UINTN) Value[1].Value.u64;\r |
1480 | \r | |
1481 | if (Value[2].Type != EFI_IFR_TYPE_STRING && Value[2].Type != EFI_IFR_TYPE_BUFFER) {\r | |
1482 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1483 | return EFI_SUCCESS;\r | |
1484 | }\r | |
1485 | if (Value[2].Type == EFI_IFR_TYPE_STRING) {\r | |
1486 | String = GetToken (Value[2].Value.string, FormSet->HiiHandle);\r | |
901ba0e7 ED |
1487 | if (String == NULL) {\r |
1488 | return EFI_NOT_FOUND;\r | |
1489 | }\r | |
7936fb6a | 1490 | \r |
901ba0e7 ED |
1491 | if (Length == 0 || Base >= StrLen (String)) {\r |
1492 | SubString = gEmptyString;\r | |
1493 | } else {\r | |
1494 | SubString = String + Base;\r | |
1495 | if ((Base + Length) < StrLen (String)) {\r | |
1496 | SubString[Length] = L'\0';\r | |
1497 | }\r | |
7936fb6a | 1498 | }\r |
7936fb6a | 1499 | \r |
901ba0e7 ED |
1500 | Result->Type = EFI_IFR_TYPE_STRING;\r |
1501 | Result->Value.string = NewString (SubString, FormSet->HiiHandle);\r | |
7936fb6a | 1502 | \r |
901ba0e7 ED |
1503 | FreePool (String);\r |
1504 | } else {\r | |
8f420676 ED |
1505 | Buffer = Value[2].Buffer;\r |
1506 | BufferLen = Value[2].BufferLen;\r | |
901ba0e7 ED |
1507 | \r |
1508 | Result->Type = EFI_IFR_TYPE_BUFFER;\r | |
1509 | if (Length == 0 || Base >= BufferLen) {\r | |
1510 | Result->BufferLen = 0;\r | |
1511 | Result->Buffer = NULL;\r | |
1512 | } else {\r | |
1513 | Result->BufferLen = (UINT16)((BufferLen - Base) < Length ? (BufferLen - Base) : Length); \r | |
1514 | Result->Buffer = AllocateZeroPool (Result->BufferLen);\r | |
1515 | ASSERT (Result->Buffer != NULL);\r | |
8f420676 | 1516 | CopyMem (Result->Buffer, &Value[2].Buffer[Base], Result->BufferLen);\r |
901ba0e7 | 1517 | }\r |
7936fb6a | 1518 | \r |
8f420676 | 1519 | FreePool (Value[2].Buffer);\r |
901ba0e7 ED |
1520 | }\r |
1521 | \r | |
7936fb6a | 1522 | return Status;\r |
1523 | }\r | |
1524 | \r | |
1525 | \r | |
1526 | /**\r | |
1527 | Evaluate opcode EFI_IFR_TOKEN.\r | |
1528 | \r | |
1529 | @param FormSet Formset which contains this opcode.\r | |
1530 | @param Result Evaluation result for this opcode.\r | |
1531 | \r | |
1532 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1533 | @retval Other Opcode evaluation failed.\r | |
1534 | \r | |
1535 | **/\r | |
1536 | EFI_STATUS\r | |
1537 | IfrToken (\r | |
1538 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1539 | OUT EFI_HII_VALUE *Result\r | |
1540 | )\r | |
1541 | {\r | |
1542 | EFI_STATUS Status;\r | |
8f420676 | 1543 | EFI_HII_VALUE Value[3];\r |
7936fb6a | 1544 | CHAR16 *String[2];\r |
1545 | UINTN Count;\r | |
1546 | CHAR16 *Delimiter;\r | |
1547 | CHAR16 *SubString;\r | |
1548 | CHAR16 *StringPtr;\r | |
1549 | UINTN Index;\r | |
1550 | \r | |
8f420676 ED |
1551 | ZeroMem (Value, sizeof (Value));\r |
1552 | \r | |
1553 | Status = PopExpression (&Value[0]);\r | |
1554 | if (EFI_ERROR (Status)) {\r | |
1555 | return Status;\r | |
1556 | }\r | |
1557 | \r | |
1558 | Status = PopExpression (&Value[1]);\r | |
7936fb6a | 1559 | if (EFI_ERROR (Status)) {\r |
1560 | return Status;\r | |
1561 | }\r | |
8f420676 ED |
1562 | \r |
1563 | Status = PopExpression (&Value[2]);\r | |
1564 | if (EFI_ERROR (Status)) {\r | |
1565 | return Status;\r | |
1566 | } \r | |
1567 | \r | |
1568 | if (Value[0].Type > EFI_IFR_TYPE_NUM_SIZE_64) { \r | |
1569 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1570 | return EFI_SUCCESS;\r | |
7936fb6a | 1571 | }\r |
8f420676 | 1572 | Count = (UINTN) Value[0].Value.u64;\r |
7936fb6a | 1573 | \r |
1574 | //\r | |
1575 | // String[0] - Delimiter\r | |
1576 | // String[1] - The string to search\r | |
1577 | //\r | |
1578 | String[0] = NULL;\r | |
1579 | String[1] = NULL;\r | |
1580 | for (Index = 0; Index < 2; Index++) {\r | |
8f420676 ED |
1581 | if (Value[Index + 1].Type != EFI_IFR_TYPE_STRING) {\r |
1582 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1583 | Status = EFI_SUCCESS; \r | |
7936fb6a | 1584 | goto Done;\r |
1585 | }\r | |
1586 | \r | |
8f420676 | 1587 | String[Index] = GetToken (Value[Index + 1].Value.string, FormSet->HiiHandle);\r |
d0720b57 | 1588 | if (String[Index] == NULL) {\r |
7936fb6a | 1589 | Status = EFI_NOT_FOUND;\r |
1590 | goto Done;\r | |
1591 | }\r | |
1592 | }\r | |
1593 | \r | |
1594 | Delimiter = String[0];\r | |
1595 | SubString = String[1];\r | |
1596 | while (Count > 0) {\r | |
1597 | SubString = StrStr (SubString, Delimiter);\r | |
1598 | if (SubString != NULL) {\r | |
1599 | //\r | |
1600 | // Skip over the delimiter\r | |
1601 | //\r | |
1602 | SubString = SubString + StrLen (Delimiter);\r | |
1603 | } else {\r | |
1604 | break;\r | |
1605 | }\r | |
1606 | Count--;\r | |
1607 | }\r | |
1608 | \r | |
1609 | if (SubString == NULL) {\r | |
1610 | //\r | |
1611 | // nth delimited sub-string not found, push an empty string\r | |
1612 | //\r | |
1613 | SubString = gEmptyString;\r | |
1614 | } else {\r | |
1615 | //\r | |
1616 | // Put a NULL terminator for nth delimited sub-string\r | |
1617 | //\r | |
1618 | StringPtr = StrStr (SubString, Delimiter);\r | |
1619 | if (StringPtr != NULL) {\r | |
1620 | *StringPtr = L'\0';\r | |
1621 | }\r | |
1622 | }\r | |
1623 | \r | |
1624 | Result->Type = EFI_IFR_TYPE_STRING;\r | |
1625 | Result->Value.string = NewString (SubString, FormSet->HiiHandle);\r | |
1626 | \r | |
1627 | Done:\r | |
676df92c | 1628 | if (String[0] != NULL) {\r |
1629 | FreePool (String[0]);\r | |
1630 | }\r | |
1631 | if (String[1] != NULL) {\r | |
1632 | FreePool (String[1]);\r | |
8b0fc5c1 | 1633 | }\r |
7936fb6a | 1634 | \r |
1635 | return Status;\r | |
1636 | }\r | |
1637 | \r | |
1638 | \r | |
1639 | /**\r | |
1640 | Evaluate opcode EFI_IFR_SPAN.\r | |
1641 | \r | |
1642 | @param FormSet Formset which contains this opcode.\r | |
1643 | @param Flags FIRST_MATCHING or FIRST_NON_MATCHING.\r | |
1644 | @param Result Evaluation result for this opcode.\r | |
1645 | \r | |
1646 | @retval EFI_SUCCESS Opcode evaluation success.\r | |
1647 | @retval Other Opcode evaluation failed.\r | |
1648 | \r | |
1649 | **/\r | |
1650 | EFI_STATUS\r | |
1651 | IfrSpan (\r | |
1652 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
1653 | IN UINT8 Flags,\r | |
1654 | OUT EFI_HII_VALUE *Result\r | |
1655 | )\r | |
1656 | {\r | |
1657 | EFI_STATUS Status;\r | |
8f420676 | 1658 | EFI_HII_VALUE Value[3];\r |
7936fb6a | 1659 | CHAR16 *String[2];\r |
1660 | CHAR16 *Charset;\r | |
1661 | UINTN Base;\r | |
1662 | UINTN Index;\r | |
1663 | CHAR16 *StringPtr;\r | |
1664 | BOOLEAN Found;\r | |
1665 | \r | |
8f420676 ED |
1666 | ZeroMem (Value, sizeof (Value));\r |
1667 | \r | |
1668 | Status = PopExpression (&Value[0]);\r | |
1669 | if (EFI_ERROR (Status)) {\r | |
1670 | return Status;\r | |
1671 | }\r | |
1672 | \r | |
1673 | Status = PopExpression (&Value[1]);\r | |
7936fb6a | 1674 | if (EFI_ERROR (Status)) {\r |
1675 | return Status;\r | |
1676 | }\r | |
8f420676 ED |
1677 | \r |
1678 | Status = PopExpression (&Value[2]);\r | |
1679 | if (EFI_ERROR (Status)) {\r | |
1680 | return Status;\r | |
1681 | } \r | |
1682 | \r | |
1683 | if (Value[0].Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r | |
1684 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1685 | return EFI_SUCCESS;\r | |
7936fb6a | 1686 | }\r |
8f420676 | 1687 | Base = (UINTN) Value[0].Value.u64;\r |
7936fb6a | 1688 | \r |
1689 | //\r | |
1690 | // String[0] - Charset\r | |
1691 | // String[1] - The string to search\r | |
1692 | //\r | |
1693 | String[0] = NULL;\r | |
1694 | String[1] = NULL;\r | |
1695 | for (Index = 0; Index < 2; Index++) {\r | |
8f420676 ED |
1696 | if (Value[Index + 1].Type != EFI_IFR_TYPE_STRING) {\r |
1697 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
1698 | Status = EFI_SUCCESS;\r | |
7936fb6a | 1699 | goto Done;\r |
1700 | }\r | |
1701 | \r | |
8f420676 | 1702 | String[Index] = GetToken (Value[Index + 1].Value.string, FormSet->HiiHandle);\r |
bc166db3 | 1703 | if (String [Index] == NULL) {\r |
7936fb6a | 1704 | Status = EFI_NOT_FOUND;\r |
1705 | goto Done;\r | |
1706 | }\r | |
1707 | }\r | |
1708 | \r | |
1709 | if (Base >= StrLen (String[1])) {\r | |
8f420676 ED |
1710 | Result->Type = EFI_IFR_TYPE_UNDEFINED;\r |
1711 | Status = EFI_SUCCESS;\r | |
7936fb6a | 1712 | goto Done;\r |
1713 | }\r | |
1714 | \r | |
1715 | Found = FALSE;\r | |
1716 | StringPtr = String[1] + Base;\r | |
1717 | Charset = String[0];\r | |
1718 | while (*StringPtr != 0 && !Found) {\r | |
1719 | Index = 0;\r | |
1720 | while (Charset[Index] != 0) {\r | |
1721 | if (*StringPtr >= Charset[Index] && *StringPtr <= Charset[Index + 1]) {\r | |
1722 | if (Flags == EFI_IFR_FLAGS_FIRST_MATCHING) {\r | |
1723 | Found = TRUE;\r | |
1724 | break;\r | |
1725 | }\r | |
1726 | } else {\r | |
1727 | if (Flags == EFI_IFR_FLAGS_FIRST_NON_MATCHING) {\r | |
1728 | Found = TRUE;\r | |
1729 | break;\r | |
1730 | }\r | |
1731 | }\r | |
1732 | //\r | |
1733 | // Skip characters pair representing low-end of a range and high-end of a range\r | |
1734 | //\r | |
1735 | Index += 2;\r | |
1736 | }\r | |
1737 | \r | |
1738 | if (!Found) {\r | |
1739 | StringPtr++;\r | |
1740 | }\r | |
1741 | }\r | |
1742 | \r | |
1743 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
1744 | Result->Value.u64 = StringPtr - String[1];\r | |
1745 | \r | |
1746 | Done:\r | |
676df92c | 1747 | if (String[0] != NULL) {\r |
1748 | FreePool (String[0]);\r | |
1749 | }\r | |
1750 | if (String[1] != NULL) {\r | |
1751 | FreePool (String[1]);\r | |
8b0fc5c1 | 1752 | }\r |
7936fb6a | 1753 | \r |
1754 | return Status;\r | |
1755 | }\r | |
1756 | \r | |
1757 | \r | |
1758 | /**\r | |
1759 | Zero extend integer/boolean/date/time to UINT64 for comparing.\r | |
1760 | \r | |
1761 | @param Value HII Value to be converted.\r | |
1762 | \r | |
1763 | **/\r | |
1764 | VOID\r | |
1765 | ExtendValueToU64 (\r | |
1766 | IN EFI_HII_VALUE *Value\r | |
1767 | )\r | |
1768 | {\r | |
1769 | UINT64 Temp;\r | |
1770 | \r | |
1771 | Temp = 0;\r | |
1772 | switch (Value->Type) {\r | |
1773 | case EFI_IFR_TYPE_NUM_SIZE_8:\r | |
1774 | Temp = Value->Value.u8;\r | |
1775 | break;\r | |
1776 | \r | |
1777 | case EFI_IFR_TYPE_NUM_SIZE_16:\r | |
1778 | Temp = Value->Value.u16;\r | |
1779 | break;\r | |
1780 | \r | |
1781 | case EFI_IFR_TYPE_NUM_SIZE_32:\r | |
1782 | Temp = Value->Value.u32;\r | |
1783 | break;\r | |
1784 | \r | |
1785 | case EFI_IFR_TYPE_BOOLEAN:\r | |
1786 | Temp = Value->Value.b;\r | |
1787 | break;\r | |
1788 | \r | |
1789 | case EFI_IFR_TYPE_TIME:\r | |
1790 | Temp = Value->Value.u32 & 0xffffff;\r | |
1791 | break;\r | |
1792 | \r | |
1793 | case EFI_IFR_TYPE_DATE:\r | |
1794 | Temp = Value->Value.u32;\r | |
1795 | break;\r | |
1796 | \r | |
1797 | default:\r | |
1798 | return;\r | |
1799 | }\r | |
1800 | \r | |
1801 | Value->Value.u64 = Temp;\r | |
1802 | }\r | |
1803 | \r | |
1804 | \r | |
1805 | /**\r | |
1806 | Compare two Hii value.\r | |
1807 | \r | |
1808 | @param Value1 Expression value to compare on left-hand.\r | |
1809 | @param Value2 Expression value to compare on right-hand.\r | |
8f420676 ED |
1810 | @param Result Return value after compare.\r |
1811 | retval 0 Two operators equal.\r | |
1812 | return Positive value if Value1 is greater than Value2.\r | |
1813 | retval Negative value if Value1 is less than Value2.\r | |
7936fb6a | 1814 | @param HiiHandle Only required for string compare.\r |
1815 | \r | |
8f420676 ED |
1816 | @retval other Could not perform compare on two values.\r |
1817 | @retval EFI_SUCCESS Compare the value success.\r | |
7936fb6a | 1818 | \r |
1819 | **/\r | |
8f420676 | 1820 | EFI_STATUS\r |
7936fb6a | 1821 | CompareHiiValue (\r |
1822 | IN EFI_HII_VALUE *Value1,\r | |
1823 | IN EFI_HII_VALUE *Value2,\r | |
8f420676 | 1824 | OUT INTN *Result,\r |
7936fb6a | 1825 | IN EFI_HII_HANDLE HiiHandle OPTIONAL\r |
1826 | )\r | |
1827 | {\r | |
7936fb6a | 1828 | INT64 Temp64;\r |
1829 | CHAR16 *Str1;\r | |
1830 | CHAR16 *Str2;\r | |
901ba0e7 | 1831 | UINTN Len;\r |
7936fb6a | 1832 | \r |
1833 | if (Value1->Type >= EFI_IFR_TYPE_OTHER || Value2->Type >= EFI_IFR_TYPE_OTHER ) {\r | |
901ba0e7 | 1834 | if (Value1->Type != EFI_IFR_TYPE_BUFFER && Value2->Type != EFI_IFR_TYPE_BUFFER) {\r |
8f420676 | 1835 | return EFI_UNSUPPORTED;\r |
901ba0e7 | 1836 | }\r |
7936fb6a | 1837 | }\r |
1838 | \r | |
1839 | if (Value1->Type == EFI_IFR_TYPE_STRING || Value2->Type == EFI_IFR_TYPE_STRING ) {\r | |
1840 | if (Value1->Type != Value2->Type) {\r | |
1841 | //\r | |
1842 | // Both Operator should be type of String\r | |
1843 | //\r | |
8f420676 | 1844 | return EFI_UNSUPPORTED;\r |
7936fb6a | 1845 | }\r |
1846 | \r | |
1847 | if (Value1->Value.string == 0 || Value2->Value.string == 0) {\r | |
1848 | //\r | |
1849 | // StringId 0 is reserved\r | |
1850 | //\r | |
1851 | return EFI_INVALID_PARAMETER;\r | |
1852 | }\r | |
1853 | \r | |
1854 | if (Value1->Value.string == Value2->Value.string) {\r | |
8f420676 ED |
1855 | *Result = 0;\r |
1856 | return EFI_SUCCESS;\r | |
7936fb6a | 1857 | }\r |
1858 | \r | |
1859 | Str1 = GetToken (Value1->Value.string, HiiHandle);\r | |
1860 | if (Str1 == NULL) {\r | |
1861 | //\r | |
1862 | // String not found\r | |
1863 | //\r | |
8f420676 | 1864 | return EFI_NOT_FOUND;\r |
7936fb6a | 1865 | }\r |
1866 | \r | |
1867 | Str2 = GetToken (Value2->Value.string, HiiHandle);\r | |
1868 | if (Str2 == NULL) {\r | |
f4113e1f | 1869 | FreePool (Str1);\r |
8f420676 | 1870 | return EFI_NOT_FOUND;\r |
7936fb6a | 1871 | }\r |
1872 | \r | |
8f420676 | 1873 | *Result = StrCmp (Str1, Str2);\r |
7936fb6a | 1874 | \r |
f4113e1f | 1875 | FreePool (Str1);\r |
1876 | FreePool (Str2);\r | |
7936fb6a | 1877 | \r |
8f420676 | 1878 | return EFI_SUCCESS;\r |
7936fb6a | 1879 | }\r |
1880 | \r | |
901ba0e7 ED |
1881 | if (Value1->Type == EFI_IFR_TYPE_BUFFER || Value2->Type == EFI_IFR_TYPE_BUFFER ) {\r |
1882 | if (Value1->Type != Value2->Type) {\r | |
1883 | //\r | |
1884 | // Both Operator should be type of Buffer.\r | |
1885 | //\r | |
8f420676 | 1886 | return EFI_UNSUPPORTED;\r |
901ba0e7 ED |
1887 | }\r |
1888 | Len = Value1->BufferLen > Value2->BufferLen ? Value2->BufferLen : Value1->BufferLen;\r | |
8f420676 ED |
1889 | *Result = CompareMem (Value1->Buffer, Value2->Buffer, Len);\r |
1890 | if ((*Result == 0) && (Value1->BufferLen != Value2->BufferLen))\r | |
901ba0e7 ED |
1891 | {\r |
1892 | //\r | |
1893 | // In this case, means base on samll number buffer, the data is same\r | |
1894 | // So which value has more data, which value is bigger.\r | |
1895 | //\r | |
8f420676 | 1896 | *Result = Value1->BufferLen > Value2->BufferLen ? 1 : -1;\r |
901ba0e7 | 1897 | }\r |
8f420676 | 1898 | return EFI_SUCCESS;\r |
901ba0e7 ED |
1899 | } \r |
1900 | \r | |
7936fb6a | 1901 | //\r |
1902 | // Take remain types(integer, boolean, date/time) as integer\r | |
1903 | //\r | |
1904 | Temp64 = (INT64) (Value1->Value.u64 - Value2->Value.u64);\r | |
1905 | if (Temp64 > 0) {\r | |
8f420676 | 1906 | *Result = 1;\r |
7936fb6a | 1907 | } else if (Temp64 < 0) {\r |
8f420676 | 1908 | *Result = -1;\r |
7936fb6a | 1909 | } else {\r |
8f420676 | 1910 | *Result = 0;\r |
7936fb6a | 1911 | }\r |
1912 | \r | |
8f420676 | 1913 | return EFI_SUCCESS;\r |
7936fb6a | 1914 | }\r |
1915 | \r | |
cbf73e50 | 1916 | /**\r |
1917 | Check if current user has the privilege specified by the permissions GUID.\r | |
1918 | \r | |
1919 | @param[in] Guid A GUID specifying setup access permissions.\r | |
1920 | \r | |
1921 | @retval TRUE Current user has the privilege.\r | |
1922 | @retval FALSE Current user does not have the privilege.\r | |
1923 | **/\r | |
1924 | BOOLEAN\r | |
1925 | CheckUserPrivilege (\r | |
1926 | IN EFI_GUID *Guid\r | |
1927 | )\r | |
1928 | {\r | |
1929 | EFI_STATUS Status;\r | |
1930 | EFI_USER_PROFILE_HANDLE UserProfileHandle;\r | |
1931 | EFI_USER_INFO_HANDLE UserInfoHandle;\r | |
1932 | EFI_USER_INFO *UserInfo;\r | |
1933 | EFI_GUID *UserPermissionsGuid;\r | |
1934 | UINTN UserInfoSize;\r | |
1935 | UINTN AccessControlDataSize;\r | |
1936 | EFI_USER_INFO_ACCESS_CONTROL *AccessControl;\r | |
1937 | UINTN RemainSize;\r | |
1938 | \r | |
1939 | if (mUserManager == NULL) {\r | |
1940 | Status = gBS->LocateProtocol (\r | |
1941 | &gEfiUserManagerProtocolGuid,\r | |
1942 | NULL,\r | |
1943 | (VOID **) &mUserManager\r | |
1944 | );\r | |
1945 | if (EFI_ERROR (Status)) {\r | |
1946 | ///\r | |
1947 | /// If the system does not support user management, then it is assumed that\r | |
1948 | /// all users have admin privilege and evaluation of each EFI_IFR_SECURITY\r | |
1949 | /// op-code is always TRUE.\r | |
1950 | ///\r | |
1951 | return TRUE;\r | |
1952 | }\r | |
1953 | }\r | |
1954 | \r | |
1955 | Status = mUserManager->Current (mUserManager, &UserProfileHandle);\r | |
1956 | ASSERT_EFI_ERROR (Status);\r | |
1957 | \r | |
1958 | ///\r | |
1959 | /// Enumerate all user information of the current user profile\r | |
1960 | /// to look for any EFI_USER_INFO_ACCESS_SETUP record.\r | |
1961 | ///\r | |
1962 | \r | |
1963 | for (UserInfoHandle = NULL;;) {\r | |
1964 | Status = mUserManager->GetNextInfo (mUserManager, UserProfileHandle, &UserInfoHandle);\r | |
1965 | if (EFI_ERROR (Status)) {\r | |
1966 | break;\r | |
1967 | }\r | |
1968 | \r | |
1969 | UserInfoSize = 0;\r | |
1970 | Status = mUserManager->GetInfo (mUserManager, UserProfileHandle, UserInfoHandle, NULL, &UserInfoSize);\r | |
1971 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1972 | continue;\r | |
1973 | }\r | |
1974 | \r | |
1975 | UserInfo = (EFI_USER_INFO *) AllocatePool (UserInfoSize);\r | |
1976 | if (UserInfo == NULL) {\r | |
1977 | break;\r | |
1978 | }\r | |
1979 | \r | |
1980 | Status = mUserManager->GetInfo (mUserManager, UserProfileHandle, UserInfoHandle, UserInfo, &UserInfoSize);\r | |
1981 | if (EFI_ERROR (Status) ||\r | |
1982 | UserInfo->InfoType != EFI_USER_INFO_ACCESS_POLICY_RECORD ||\r | |
1983 | UserInfo->InfoSize <= sizeof (EFI_USER_INFO)) {\r | |
1984 | FreePool (UserInfo);\r | |
1985 | continue;\r | |
1986 | }\r | |
1987 | \r | |
1988 | RemainSize = UserInfo->InfoSize - sizeof (EFI_USER_INFO);\r | |
1989 | AccessControl = (EFI_USER_INFO_ACCESS_CONTROL *)(UserInfo + 1);\r | |
1990 | while (RemainSize >= sizeof (EFI_USER_INFO_ACCESS_CONTROL)) {\r | |
3dd405be | 1991 | if (RemainSize < AccessControl->Size || AccessControl->Size < sizeof (EFI_USER_INFO_ACCESS_CONTROL)) {\r |
cbf73e50 | 1992 | break;\r |
1993 | }\r | |
1994 | if (AccessControl->Type == EFI_USER_INFO_ACCESS_SETUP) {\r | |
1995 | ///\r | |
1996 | /// Check if current user has the privilege specified by the permissions GUID.\r | |
1997 | ///\r | |
1998 | \r | |
1999 | UserPermissionsGuid = (EFI_GUID *)(AccessControl + 1);\r | |
2000 | AccessControlDataSize = AccessControl->Size - sizeof (EFI_USER_INFO_ACCESS_CONTROL);\r | |
2001 | while (AccessControlDataSize >= sizeof (EFI_GUID)) {\r | |
2002 | if (CompareGuid (Guid, UserPermissionsGuid)) {\r | |
2003 | FreePool (UserInfo);\r | |
2004 | return TRUE;\r | |
2005 | }\r | |
2006 | UserPermissionsGuid++;\r | |
2007 | AccessControlDataSize -= sizeof (EFI_GUID);\r | |
2008 | }\r | |
2009 | }\r | |
2010 | RemainSize -= AccessControl->Size;\r | |
2011 | AccessControl = (EFI_USER_INFO_ACCESS_CONTROL *)((UINT8 *)AccessControl + AccessControl->Size);\r | |
2012 | }\r | |
2013 | \r | |
2014 | FreePool (UserInfo);\r | |
2015 | }\r | |
2016 | return FALSE;\r | |
2017 | }\r | |
7936fb6a | 2018 | \r |
db40504e ED |
2019 | /**\r |
2020 | Get question value from the predefined formset.\r | |
2021 | \r | |
2022 | @param DevicePath The driver's device path which produece the formset data.\r | |
2023 | @param InputHiiHandle The hii handle associate with the formset data.\r | |
2024 | @param FormSetGuid The formset guid which include the question.\r | |
2025 | @param QuestionId The question id which need to get value from.\r | |
2026 | @param Value The return data about question's value.\r | |
2027 | \r | |
2028 | @retval TRUE Get the question value success.\r | |
2029 | @retval FALSE Get the question value failed.\r | |
2030 | **/\r | |
2031 | BOOLEAN \r | |
2032 | GetQuestionValueFromForm (\r | |
2033 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
2034 | IN EFI_HII_HANDLE InputHiiHandle,\r | |
2035 | IN EFI_GUID *FormSetGuid,\r | |
2036 | IN EFI_QUESTION_ID QuestionId,\r | |
2037 | OUT EFI_HII_VALUE *Value\r | |
2038 | )\r | |
2039 | {\r | |
2040 | EFI_STATUS Status;\r | |
2041 | EFI_HANDLE DriverHandle;\r | |
2042 | EFI_HANDLE Handle;\r | |
2043 | EFI_HII_HANDLE *HiiHandles;\r | |
2044 | EFI_HII_HANDLE HiiHandle;\r | |
2045 | UINTN Index;\r | |
2046 | FORM_BROWSER_STATEMENT *Question;\r | |
2047 | FORM_BROWSER_FORMSET *FormSet;\r | |
2048 | FORM_BROWSER_FORM *Form;\r | |
2049 | BOOLEAN GetTheVal;\r | |
2050 | LIST_ENTRY *Link;\r | |
2051 | \r | |
2052 | // \r | |
2053 | // The input parameter DevicePath or InputHiiHandle must have one valid input. \r | |
2054 | //\r | |
2055 | ASSERT ((DevicePath != NULL && InputHiiHandle == NULL) || \r | |
2056 | (DevicePath == NULL && InputHiiHandle != NULL) );\r | |
2057 | \r | |
2058 | GetTheVal = TRUE;\r | |
2059 | DriverHandle = NULL;\r | |
2060 | HiiHandle = NULL;\r | |
2061 | Question = NULL;\r | |
2062 | Form = NULL;\r | |
2063 | \r | |
2064 | //\r | |
2065 | // Get HiiHandle.\r | |
2066 | //\r | |
2067 | if (DevicePath != NULL) {\r | |
2068 | //\r | |
2069 | // 1. Get Driver handle.\r | |
2070 | //\r | |
2071 | Status = gBS->LocateDevicePath (\r | |
2072 | &gEfiDevicePathProtocolGuid,\r | |
2073 | &DevicePath,\r | |
2074 | &DriverHandle\r | |
2075 | );\r | |
2076 | if (EFI_ERROR (Status) || (DriverHandle == NULL)) {\r | |
2077 | return FALSE;\r | |
2078 | }\r | |
2079 | \r | |
2080 | //\r | |
2081 | // 2. Get Hii handle\r | |
2082 | //\r | |
2083 | HiiHandles = HiiGetHiiHandles (NULL);\r | |
2084 | if (HiiHandles == NULL) {\r | |
2085 | return FALSE;\r | |
2086 | }\r | |
2087 | \r | |
2088 | for (Index = 0; HiiHandles[Index] != NULL; Index++) {\r | |
2089 | Status = mHiiDatabase->GetPackageListHandle (\r | |
2090 | mHiiDatabase,\r | |
2091 | HiiHandles[Index],\r | |
2092 | &Handle\r | |
2093 | );\r | |
2094 | if (!EFI_ERROR (Status) && (Handle == DriverHandle)) {\r | |
2095 | HiiHandle = HiiHandles[Index];\r | |
2096 | break;\r | |
2097 | }\r | |
2098 | }\r | |
2099 | FreePool (HiiHandles);\r | |
2100 | } else {\r | |
2101 | HiiHandle = InputHiiHandle;\r | |
2102 | } \r | |
2103 | ASSERT (HiiHandle != NULL);\r | |
2104 | \r | |
2105 | //\r | |
2106 | // Get the formset data include this question.\r | |
2107 | //\r | |
2108 | FormSet = AllocateZeroPool (sizeof (FORM_BROWSER_FORMSET));\r | |
2109 | ASSERT (FormSet != NULL);\r | |
2110 | Status = InitializeFormSet(HiiHandle, FormSetGuid, FormSet, FALSE);\r | |
2111 | if (EFI_ERROR (Status)) {\r | |
2112 | GetTheVal = FALSE;\r | |
2113 | goto Done;\r | |
2114 | }\r | |
2115 | \r | |
2116 | //\r | |
2117 | // Base on the Question Id to get the question info.\r | |
2118 | // \r | |
2119 | Question = IdToQuestion(FormSet, NULL, QuestionId);\r | |
2120 | if (Question == NULL) {\r | |
2121 | GetTheVal = FALSE;\r | |
2122 | goto Done;\r | |
2123 | }\r | |
2124 | \r | |
2125 | //\r | |
2126 | // Search form in the formset scope\r | |
2127 | //\r | |
2128 | Link = GetFirstNode (&FormSet->FormListHead);\r | |
2129 | while (!IsNull (&FormSet->FormListHead, Link)) {\r | |
2130 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r | |
2131 | \r | |
2132 | Question = IdToQuestion2 (Form, QuestionId);\r | |
2133 | if (Question != NULL) {\r | |
2134 | break;\r | |
2135 | }\r | |
2136 | \r | |
2137 | Link = GetNextNode (&FormSet->FormListHead, Link);\r | |
2138 | Form = NULL;\r | |
2139 | }\r | |
2140 | ASSERT (Form != NULL);\r | |
2141 | \r | |
2142 | //\r | |
2143 | // Get the question value.\r | |
2144 | //\r | |
816a7110 | 2145 | Status = GetQuestionValue(FormSet, Form, Question, GetSetValueWithHiiDriver);\r |
db40504e ED |
2146 | if (EFI_ERROR (Status)) {\r |
2147 | GetTheVal = FALSE;\r | |
2148 | goto Done;\r | |
2149 | }\r | |
2150 | \r | |
2151 | CopyMem (Value, &Question->HiiValue, sizeof (EFI_HII_VALUE));\r | |
2152 | \r | |
2153 | Done:\r | |
2154 | //\r | |
2155 | // Clean the formset structure and restore the global parameter.\r | |
2156 | //\r | |
2157 | if (FormSet != NULL) {\r | |
2158 | DestroyFormSet (FormSet);\r | |
2159 | }\r | |
2160 | \r | |
2161 | return GetTheVal;\r | |
2162 | }\r | |
2163 | \r | |
7936fb6a | 2164 | /**\r |
bc166db3 | 2165 | Evaluate the result of a HII expression.\r |
2166 | \r | |
2167 | If Expression is NULL, then ASSERT.\r | |
7936fb6a | 2168 | \r |
2169 | @param FormSet FormSet associated with this expression.\r | |
2170 | @param Form Form associated with this expression.\r | |
2171 | @param Expression Expression to be evaluated.\r | |
2172 | \r | |
2173 | @retval EFI_SUCCESS The expression evaluated successfuly\r | |
2174 | @retval EFI_NOT_FOUND The Question which referenced by a QuestionId\r | |
2175 | could not be found.\r | |
2176 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r | |
2177 | stack.\r | |
2178 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r | |
2179 | @retval EFI_INVALID_PARAMETER Syntax error with the Expression\r | |
2180 | \r | |
2181 | **/\r | |
2182 | EFI_STATUS\r | |
2183 | EvaluateExpression (\r | |
2184 | IN FORM_BROWSER_FORMSET *FormSet,\r | |
2185 | IN FORM_BROWSER_FORM *Form,\r | |
2186 | IN OUT FORM_EXPRESSION *Expression\r | |
2187 | )\r | |
2188 | {\r | |
2189 | EFI_STATUS Status;\r | |
2190 | LIST_ENTRY *Link;\r | |
2191 | EXPRESSION_OPCODE *OpCode;\r | |
2192 | FORM_BROWSER_STATEMENT *Question;\r | |
2193 | FORM_BROWSER_STATEMENT *Question2;\r | |
2194 | UINT16 Index;\r | |
2195 | EFI_HII_VALUE Data1;\r | |
2196 | EFI_HII_VALUE Data2;\r | |
2197 | EFI_HII_VALUE Data3;\r | |
2198 | FORM_EXPRESSION *RuleExpression;\r | |
2199 | EFI_HII_VALUE *Value;\r | |
2200 | INTN Result;\r | |
2201 | CHAR16 *StrPtr;\r | |
2573712e | 2202 | CHAR16 *NameValue;\r |
7936fb6a | 2203 | UINT32 TempValue;\r |
2573712e LG |
2204 | LIST_ENTRY *SubExpressionLink;\r |
2205 | FORM_EXPRESSION *SubExpression;\r | |
2206 | UINTN StackOffset;\r | |
2207 | UINTN TempLength;\r | |
2208 | CHAR16 TempStr[5];\r | |
2209 | UINT8 DigitUint8;\r | |
2210 | UINT8 *TempBuffer;\r | |
2211 | EFI_TIME EfiTime;\r | |
db40504e | 2212 | EFI_HII_VALUE QuestionVal;\r |
33efdf51 | 2213 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
7936fb6a | 2214 | \r |
2215 | //\r | |
2573712e | 2216 | // Save current stack offset.\r |
7936fb6a | 2217 | //\r |
2573712e | 2218 | StackOffset = SaveExpressionEvaluationStackOffset ();\r |
7936fb6a | 2219 | \r |
bc166db3 | 2220 | ASSERT (Expression != NULL);\r |
7936fb6a | 2221 | Expression->Result.Type = EFI_IFR_TYPE_OTHER;\r |
2222 | \r | |
2223 | Link = GetFirstNode (&Expression->OpCodeListHead);\r | |
2224 | while (!IsNull (&Expression->OpCodeListHead, Link)) {\r | |
2225 | OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);\r | |
2226 | \r | |
2227 | Link = GetNextNode (&Expression->OpCodeListHead, Link);\r | |
2228 | \r | |
2229 | ZeroMem (&Data1, sizeof (EFI_HII_VALUE));\r | |
2230 | ZeroMem (&Data2, sizeof (EFI_HII_VALUE));\r | |
2231 | ZeroMem (&Data3, sizeof (EFI_HII_VALUE));\r | |
2232 | \r | |
2233 | Value = &Data3;\r | |
2234 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
2235 | Status = EFI_SUCCESS;\r | |
2236 | \r | |
2237 | switch (OpCode->Operand) {\r | |
2238 | //\r | |
2239 | // Built-in functions\r | |
2240 | //\r | |
2241 | case EFI_IFR_EQ_ID_VAL_OP:\r | |
2242 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r | |
2243 | if (Question == NULL) {\r | |
8f420676 ED |
2244 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2245 | break;\r | |
7936fb6a | 2246 | }\r |
2247 | \r | |
8f420676 ED |
2248 | Status = CompareHiiValue (&Question->HiiValue, &OpCode->Value, &Result, NULL);\r |
2249 | if (Status == EFI_UNSUPPORTED) {\r | |
2250 | Status = EFI_SUCCESS;\r | |
2251 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2252 | break;\r | |
2253 | }\r | |
2254 | \r | |
2255 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2256 | goto Done;\r |
7936fb6a | 2257 | }\r |
2258 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r | |
2259 | break;\r | |
2260 | \r | |
2261 | case EFI_IFR_EQ_ID_ID_OP:\r | |
2262 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r | |
2263 | if (Question == NULL) {\r | |
8f420676 ED |
2264 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2265 | break;\r | |
7936fb6a | 2266 | }\r |
2267 | \r | |
2268 | Question2 = IdToQuestion (FormSet, Form, OpCode->QuestionId2);\r | |
2269 | if (Question2 == NULL) {\r | |
8f420676 ED |
2270 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2271 | break;\r | |
7936fb6a | 2272 | }\r |
2273 | \r | |
8f420676 ED |
2274 | Status = CompareHiiValue (&Question->HiiValue, &Question2->HiiValue, &Result, FormSet->HiiHandle);\r |
2275 | if (Status == EFI_UNSUPPORTED) {\r | |
2276 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2277 | Status = EFI_SUCCESS;\r | |
2278 | break;\r | |
2279 | }\r | |
2280 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2281 | goto Done;\r |
7936fb6a | 2282 | }\r |
2283 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r | |
2284 | break;\r | |
2285 | \r | |
e8ef4283 | 2286 | case EFI_IFR_EQ_ID_VAL_LIST_OP:\r |
7936fb6a | 2287 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r |
2288 | if (Question == NULL) {\r | |
8f420676 ED |
2289 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2290 | break;\r | |
7936fb6a | 2291 | }\r |
2292 | \r | |
2293 | Value->Value.b = FALSE;\r | |
2294 | for (Index =0; Index < OpCode->ListLength; Index++) {\r | |
2295 | if (Question->HiiValue.Value.u16 == OpCode->ValueList[Index]) {\r | |
2296 | Value->Value.b = TRUE;\r | |
2297 | break;\r | |
2298 | }\r | |
2299 | }\r | |
2300 | break;\r | |
2301 | \r | |
2302 | case EFI_IFR_DUP_OP:\r | |
2303 | Status = PopExpression (Value);\r | |
2304 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2305 | goto Done;\r |
7936fb6a | 2306 | }\r |
2307 | \r | |
2308 | Status = PushExpression (Value);\r | |
2309 | break;\r | |
2310 | \r | |
2311 | case EFI_IFR_QUESTION_REF1_OP:\r | |
2312 | case EFI_IFR_THIS_OP:\r | |
2313 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r | |
2314 | if (Question == NULL) {\r | |
2573712e LG |
2315 | Status = EFI_NOT_FOUND;\r |
2316 | goto Done;\r | |
7936fb6a | 2317 | }\r |
2318 | \r | |
2319 | Value = &Question->HiiValue;\r | |
2320 | break;\r | |
2321 | \r | |
cbf73e50 | 2322 | case EFI_IFR_SECURITY_OP:\r |
2323 | Value->Value.b = CheckUserPrivilege (&OpCode->Guid);\r | |
2324 | break;\r | |
2325 | \r | |
2573712e LG |
2326 | case EFI_IFR_GET_OP:\r |
2327 | //\r | |
2328 | // Get Value from VarStore buffer, EFI VarStore, Name/Value VarStore.\r | |
2329 | //\r | |
2330 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2331 | Value->Value.u8 = 0;\r | |
2332 | if (OpCode->VarStorage != NULL) {\r | |
2333 | switch (OpCode->VarStorage->Type) {\r | |
2334 | case EFI_HII_VARSTORE_BUFFER:\r | |
cce6230f | 2335 | case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER:\r |
2573712e LG |
2336 | //\r |
2337 | // Get value from Edit Buffer\r | |
2338 | //\r | |
2339 | Value->Type = OpCode->ValueType;\r | |
2340 | CopyMem (&Value->Value, OpCode->VarStorage->EditBuffer + OpCode->VarStoreInfo.VarOffset, OpCode->ValueWidth);\r | |
2341 | break;\r | |
2342 | case EFI_HII_VARSTORE_NAME_VALUE:\r | |
2343 | if (OpCode->ValueType != EFI_IFR_TYPE_STRING) {\r | |
2344 | //\r | |
2345 | // Get value from string except for STRING value.\r | |
2346 | //\r | |
816a7110 | 2347 | Status = GetValueByName (OpCode->VarStorage, OpCode->ValueName, &StrPtr, GetSetValueWithEditBuffer);\r |
2573712e | 2348 | if (!EFI_ERROR (Status)) {\r |
771ececd | 2349 | ASSERT (StrPtr != NULL);\r |
2573712e LG |
2350 | TempLength = StrLen (StrPtr);\r |
2351 | if (OpCode->ValueWidth >= ((TempLength + 1) / 2)) {\r | |
2352 | Value->Type = OpCode->ValueType;\r | |
2353 | TempBuffer = (UINT8 *) &Value->Value;\r | |
2354 | ZeroMem (TempStr, sizeof (TempStr));\r | |
2355 | for (Index = 0; Index < TempLength; Index ++) {\r | |
2356 | TempStr[0] = StrPtr[TempLength - Index - 1];\r | |
2357 | DigitUint8 = (UINT8) StrHexToUint64 (TempStr);\r | |
2358 | if ((Index & 1) == 0) {\r | |
2359 | TempBuffer [Index/2] = DigitUint8;\r | |
2360 | } else {\r | |
771ececd | 2361 | TempBuffer [Index/2] = (UINT8) ((DigitUint8 << 4) + TempBuffer [Index/2]);\r |
2573712e LG |
2362 | }\r |
2363 | }\r | |
2364 | } \r | |
2365 | }\r | |
2366 | }\r | |
2367 | break;\r | |
2368 | case EFI_HII_VARSTORE_EFI_VARIABLE:\r | |
2369 | //\r | |
2370 | // Get value from variable.\r | |
2371 | //\r | |
2372 | TempLength = OpCode->ValueWidth;\r | |
2373 | Value->Type = OpCode->ValueType;\r | |
2374 | Status = gRT->GetVariable (\r | |
2375 | OpCode->ValueName,\r | |
2376 | &OpCode->VarStorage->Guid,\r | |
2377 | NULL,\r | |
2378 | &TempLength,\r | |
2379 | &Value->Value\r | |
2380 | );\r | |
2381 | if (EFI_ERROR (Status)) {\r | |
2382 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2383 | Value->Value.u8 = 0;\r | |
2384 | }\r | |
cce6230f | 2385 | break;\r |
2573712e LG |
2386 | default:\r |
2387 | //\r | |
2388 | // Not recognize storage.\r | |
2389 | //\r | |
2390 | Status = EFI_UNSUPPORTED;\r | |
2391 | goto Done;\r | |
2392 | }\r | |
2393 | } else {\r | |
2394 | //\r | |
2395 | // For Time/Date Data\r | |
2396 | //\r | |
2397 | if (OpCode->ValueType != EFI_IFR_TYPE_DATE && OpCode->ValueType != EFI_IFR_TYPE_TIME) {\r | |
2398 | //\r | |
2399 | // Only support Data/Time data when storage doesn't exist.\r | |
2400 | //\r | |
2401 | Status = EFI_UNSUPPORTED;\r | |
2402 | goto Done;\r | |
2403 | }\r | |
2404 | Status = gRT->GetTime (&EfiTime, NULL);\r | |
2405 | if (!EFI_ERROR (Status)) {\r | |
2406 | if (OpCode->ValueType == EFI_IFR_TYPE_DATE) {\r | |
2407 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
2408 | case 0x00:\r | |
2409 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;\r | |
2410 | Value->Value.u16 = EfiTime.Year;\r | |
2411 | break;\r | |
2412 | case 0x02:\r | |
2413 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
2414 | Value->Value.u8 = EfiTime.Month;\r | |
2415 | break;\r | |
2416 | case 0x03:\r | |
2417 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
2418 | Value->Value.u8 = EfiTime.Day;\r | |
2419 | break;\r | |
2420 | default:\r | |
2421 | //\r | |
2422 | // Invalid Date field.\r | |
2423 | //\r | |
2424 | Status = EFI_INVALID_PARAMETER;\r | |
2425 | goto Done;\r | |
2426 | }\r | |
2427 | } else {\r | |
2428 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
2429 | case 0x00:\r | |
2430 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
2431 | Value->Value.u8 = EfiTime.Hour;\r | |
2432 | break;\r | |
2433 | case 0x01:\r | |
2434 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
2435 | Value->Value.u8 = EfiTime.Minute;\r | |
2436 | break;\r | |
2437 | case 0x02:\r | |
2438 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;\r | |
2439 | Value->Value.u8 = EfiTime.Second;\r | |
2440 | break;\r | |
2441 | default:\r | |
2442 | //\r | |
2443 | // Invalid Time field.\r | |
2444 | //\r | |
2445 | Status = EFI_INVALID_PARAMETER;\r | |
2446 | goto Done;\r | |
2447 | }\r | |
2448 | }\r | |
2449 | }\r | |
2450 | }\r | |
2451 | \r | |
2452 | break;\r | |
2453 | \r | |
7936fb6a | 2454 | case EFI_IFR_QUESTION_REF3_OP:\r |
db40504e ED |
2455 | //\r |
2456 | // EFI_IFR_QUESTION_REF3\r | |
2457 | // Pop an expression from the expression stack\r | |
2458 | //\r | |
2459 | Status = PopExpression (Value);\r | |
2460 | if (EFI_ERROR (Status)) {\r | |
2461 | goto Done;\r | |
2462 | }\r | |
2463 | \r | |
2464 | //\r | |
2465 | // Validate the expression value\r | |
2466 | //\r | |
2467 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r | |
8f420676 ED |
2468 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2469 | break;\r | |
db40504e ED |
2470 | }\r |
2471 | \r | |
2472 | if (OpCode->DevicePath != 0) {\r | |
2473 | StrPtr = GetToken (OpCode->DevicePath, FormSet->HiiHandle);\r | |
2474 | if (StrPtr == NULL) {\r | |
8f420676 ED |
2475 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2476 | break;\r | |
7936fb6a | 2477 | }\r |
2478 | \r | |
33efdf51 ED |
2479 | DevicePath = ConvertDevicePathFromText(StrPtr);\r |
2480 | \r | |
2481 | if (!GetQuestionValueFromForm(DevicePath, NULL, &OpCode->Guid, Value->Value.u16, &QuestionVal)){\r | |
8f420676 | 2482 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
33efdf51 ED |
2483 | } else {\r |
2484 | Value = &QuestionVal;\r | |
2485 | }\r | |
2486 | \r | |
2487 | if (DevicePath != NULL) {\r | |
2488 | FreePool (DevicePath);\r | |
7936fb6a | 2489 | }\r |
db40504e ED |
2490 | } else if (CompareGuid (&OpCode->Guid, &gZeroGuid) != 0) {\r |
2491 | if (!GetQuestionValueFromForm(NULL, FormSet->HiiHandle, &OpCode->Guid, Value->Value.u16, &QuestionVal)){\r | |
8f420676 ED |
2492 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2493 | break;\r | |
db40504e | 2494 | }\r |
8f420676 | 2495 | Value = &QuestionVal;\r |
db40504e | 2496 | } else {\r |
7936fb6a | 2497 | Question = IdToQuestion (FormSet, Form, Value->Value.u16);\r |
2498 | if (Question == NULL) {\r | |
8f420676 ED |
2499 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2500 | break;\r | |
7936fb6a | 2501 | }\r |
2502 | \r | |
2503 | //\r | |
2504 | // push the questions' value on to the expression stack\r | |
2505 | //\r | |
2506 | Value = &Question->HiiValue;\r | |
7936fb6a | 2507 | }\r |
2508 | break;\r | |
2509 | \r | |
2510 | case EFI_IFR_RULE_REF_OP:\r | |
2511 | //\r | |
2512 | // Find expression for this rule\r | |
2513 | //\r | |
2514 | RuleExpression = RuleIdToExpression (Form, OpCode->RuleId);\r | |
2515 | if (RuleExpression == NULL) {\r | |
8f420676 ED |
2516 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2517 | break;\r | |
7936fb6a | 2518 | }\r |
2519 | \r | |
2520 | //\r | |
2521 | // Evaluate this rule expression\r | |
2522 | //\r | |
2523 | Status = EvaluateExpression (FormSet, Form, RuleExpression);\r | |
8f420676 ED |
2524 | if (EFI_ERROR (Status) || RuleExpression->Result.Type == EFI_IFR_TYPE_UNDEFINED) {\r |
2525 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2526 | break;\r | |
7936fb6a | 2527 | }\r |
2528 | \r | |
2529 | Value = &RuleExpression->Result;\r | |
2530 | break;\r | |
2531 | \r | |
2532 | case EFI_IFR_STRING_REF1_OP:\r | |
2533 | Value->Type = EFI_IFR_TYPE_STRING;\r | |
2534 | Value->Value.string = OpCode->Value.Value.string;\r | |
2535 | break;\r | |
2536 | \r | |
2537 | //\r | |
2538 | // Constant\r | |
2539 | //\r | |
2540 | case EFI_IFR_TRUE_OP:\r | |
2541 | case EFI_IFR_FALSE_OP:\r | |
2542 | case EFI_IFR_ONE_OP:\r | |
2543 | case EFI_IFR_ONES_OP:\r | |
2544 | case EFI_IFR_UINT8_OP:\r | |
2545 | case EFI_IFR_UINT16_OP:\r | |
2546 | case EFI_IFR_UINT32_OP:\r | |
2547 | case EFI_IFR_UINT64_OP:\r | |
2548 | case EFI_IFR_UNDEFINED_OP:\r | |
2549 | case EFI_IFR_VERSION_OP:\r | |
2550 | case EFI_IFR_ZERO_OP:\r | |
2551 | Value = &OpCode->Value;\r | |
2552 | break;\r | |
2553 | \r | |
2554 | //\r | |
2555 | // unary-op\r | |
2556 | //\r | |
2557 | case EFI_IFR_LENGTH_OP:\r | |
2558 | Status = PopExpression (Value);\r | |
2559 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2560 | goto Done;\r |
7936fb6a | 2561 | }\r |
901ba0e7 | 2562 | if (Value->Type != EFI_IFR_TYPE_STRING && Value->Type != EFI_IFR_TYPE_BUFFER) {\r |
8f420676 ED |
2563 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2564 | break;\r | |
7936fb6a | 2565 | }\r |
2566 | \r | |
901ba0e7 ED |
2567 | if (Value->Type == EFI_IFR_TYPE_STRING) {\r |
2568 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r | |
2569 | if (StrPtr == NULL) {\r | |
2570 | Status = EFI_INVALID_PARAMETER;\r | |
2571 | goto Done;\r | |
2572 | }\r | |
7936fb6a | 2573 | \r |
901ba0e7 ED |
2574 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
2575 | Value->Value.u64 = StrLen (StrPtr);\r | |
2576 | FreePool (StrPtr);\r | |
2577 | } else {\r | |
2578 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
2579 | Value->Value.u64 = Value->BufferLen;\r | |
2580 | FreePool (Value->Buffer);\r | |
2581 | }\r | |
7936fb6a | 2582 | break;\r |
2583 | \r | |
2584 | case EFI_IFR_NOT_OP:\r | |
2585 | Status = PopExpression (Value);\r | |
2586 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2587 | goto Done;\r |
7936fb6a | 2588 | }\r |
2589 | if (Value->Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
8f420676 ED |
2590 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2591 | break;\r | |
7936fb6a | 2592 | }\r |
2593 | Value->Value.b = (BOOLEAN) (!Value->Value.b);\r | |
2594 | break;\r | |
2595 | \r | |
2596 | case EFI_IFR_QUESTION_REF2_OP:\r | |
2597 | //\r | |
2598 | // Pop an expression from the expression stack\r | |
2599 | //\r | |
2600 | Status = PopExpression (Value);\r | |
2601 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2602 | goto Done;\r |
7936fb6a | 2603 | }\r |
2604 | \r | |
2605 | //\r | |
2606 | // Validate the expression value\r | |
2607 | //\r | |
2608 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r | |
8f420676 ED |
2609 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2610 | break;\r | |
7936fb6a | 2611 | }\r |
2612 | \r | |
2613 | Question = IdToQuestion (FormSet, Form, Value->Value.u16);\r | |
2614 | if (Question == NULL) {\r | |
8f420676 ED |
2615 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2616 | break;\r | |
7936fb6a | 2617 | }\r |
2618 | \r | |
2619 | Value = &Question->HiiValue;\r | |
2620 | break;\r | |
2621 | \r | |
2622 | case EFI_IFR_STRING_REF2_OP:\r | |
2623 | //\r | |
2624 | // Pop an expression from the expression stack\r | |
2625 | //\r | |
2626 | Status = PopExpression (Value);\r | |
2627 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2628 | goto Done;\r |
7936fb6a | 2629 | }\r |
2630 | \r | |
2631 | //\r | |
2632 | // Validate the expression value\r | |
2633 | //\r | |
2634 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r | |
8f420676 ED |
2635 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2636 | break;\r | |
7936fb6a | 2637 | }\r |
2638 | \r | |
2639 | Value->Type = EFI_IFR_TYPE_STRING;\r | |
2640 | StrPtr = GetToken (Value->Value.u16, FormSet->HiiHandle);\r | |
2641 | if (StrPtr == NULL) {\r | |
2642 | //\r | |
2643 | // If String not exit, push an empty string\r | |
2644 | //\r | |
2645 | Value->Value.string = NewString (gEmptyString, FormSet->HiiHandle);\r | |
2646 | } else {\r | |
2647 | Index = (UINT16) Value->Value.u64;\r | |
2648 | Value->Value.string = Index;\r | |
f4113e1f | 2649 | FreePool (StrPtr);\r |
7936fb6a | 2650 | }\r |
2651 | break;\r | |
2652 | \r | |
2653 | case EFI_IFR_TO_BOOLEAN_OP:\r | |
2654 | //\r | |
2655 | // Pop an expression from the expression stack\r | |
2656 | //\r | |
2657 | Status = PopExpression (Value);\r | |
2658 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2659 | goto Done;\r |
7936fb6a | 2660 | }\r |
2661 | \r | |
2662 | //\r | |
2663 | // Convert an expression to a Boolean\r | |
2664 | //\r | |
2665 | if (Value->Type <= EFI_IFR_TYPE_DATE) {\r | |
2666 | //\r | |
2667 | // When converting from an unsigned integer, zero will be converted to\r | |
2668 | // FALSE and any other value will be converted to TRUE.\r | |
2669 | //\r | |
4140a663 | 2670 | Value->Value.b = (BOOLEAN) (Value->Value.u64 != 0);\r |
7936fb6a | 2671 | \r |
2672 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
2673 | } else if (Value->Type == EFI_IFR_TYPE_STRING) {\r | |
2674 | //\r | |
2675 | // When converting from a string, if case-insensitive compare\r | |
2676 | // with "true" is True, then push True. If a case-insensitive compare\r | |
39099cbd | 2677 | // with "false" is True, then push False. Otherwise, push Undefined. \r |
7936fb6a | 2678 | //\r |
2679 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r | |
2680 | if (StrPtr == NULL) {\r | |
2573712e LG |
2681 | Status = EFI_INVALID_PARAMETER;\r |
2682 | goto Done;\r | |
7936fb6a | 2683 | }\r |
39099cbd ED |
2684 | \r |
2685 | IfrStrToUpper (StrPtr);\r | |
2686 | if (StrCmp (StrPtr, L"TRUE") == 0){\r | |
7936fb6a | 2687 | Value->Value.b = TRUE;\r |
8f420676 | 2688 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
39099cbd | 2689 | } else if (StrCmp (StrPtr, L"FALSE") == 0) {\r |
7936fb6a | 2690 | Value->Value.b = FALSE;\r |
8f420676 | 2691 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
39099cbd | 2692 | } else {\r |
8f420676 | 2693 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
7936fb6a | 2694 | }\r |
f4113e1f | 2695 | FreePool (StrPtr);\r |
901ba0e7 ED |
2696 | } else if (Value->Type == EFI_IFR_TYPE_BUFFER) {\r |
2697 | //\r | |
2698 | // When converting from a buffer, if the buffer is all zeroes, \r | |
2699 | // then push False. Otherwise push True. \r | |
2700 | //\r | |
2701 | for (Index =0; Index < Value->BufferLen; Index ++) {\r | |
2702 | if (Value->Buffer[Index] != 0) { \r | |
2703 | break;\r | |
2704 | }\r | |
2705 | }\r | |
2706 | \r | |
2707 | if (Index >= Value->BufferLen) {\r | |
2708 | Value->Value.b = FALSE;\r | |
2709 | } else {\r | |
2710 | Value->Value.b = TRUE;\r | |
2711 | }\r | |
2712 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r | |
2713 | FreePool (Value->Buffer);\r | |
7936fb6a | 2714 | }\r |
2715 | break;\r | |
2716 | \r | |
2717 | case EFI_IFR_TO_STRING_OP:\r | |
2718 | Status = IfrToString (FormSet, OpCode->Format, Value);\r | |
2719 | break;\r | |
2720 | \r | |
2721 | case EFI_IFR_TO_UINT_OP:\r | |
2722 | Status = IfrToUint (FormSet, Value);\r | |
2723 | break;\r | |
2724 | \r | |
2725 | case EFI_IFR_TO_LOWER_OP:\r | |
2726 | case EFI_IFR_TO_UPPER_OP:\r | |
2727 | Status = InitializeUnicodeCollationProtocol ();\r | |
2728 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2729 | goto Done;\r |
7936fb6a | 2730 | }\r |
2731 | \r | |
2732 | Status = PopExpression (Value);\r | |
2733 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2734 | goto Done;\r |
7936fb6a | 2735 | }\r |
2736 | \r | |
2737 | if (Value->Type != EFI_IFR_TYPE_STRING) {\r | |
8f420676 ED |
2738 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2739 | break;\r | |
7936fb6a | 2740 | }\r |
2741 | \r | |
2742 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r | |
2743 | if (StrPtr == NULL) {\r | |
2573712e LG |
2744 | Status = EFI_NOT_FOUND;\r |
2745 | goto Done;\r | |
7936fb6a | 2746 | }\r |
2747 | \r | |
2748 | if (OpCode->Operand == EFI_IFR_TO_LOWER_OP) {\r | |
2749 | mUnicodeCollation->StrLwr (mUnicodeCollation, StrPtr);\r | |
2750 | } else {\r | |
2751 | mUnicodeCollation->StrUpr (mUnicodeCollation, StrPtr);\r | |
2752 | }\r | |
2753 | Value->Value.string = NewString (StrPtr, FormSet->HiiHandle);\r | |
f4113e1f | 2754 | FreePool (StrPtr);\r |
7936fb6a | 2755 | break;\r |
2756 | \r | |
2757 | case EFI_IFR_BITWISE_NOT_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 | if (Value->Type > EFI_IFR_TYPE_DATE) {\r | |
8f420676 ED |
2766 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
2767 | break;\r | |
7936fb6a | 2768 | }\r |
2769 | \r | |
2770 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r | |
2771 | Value->Value.u64 = ~Value->Value.u64;\r | |
2772 | break;\r | |
2773 | \r | |
2573712e LG |
2774 | case EFI_IFR_SET_OP:\r |
2775 | //\r | |
2776 | // Pop an expression from the expression stack\r | |
2777 | //\r | |
2778 | Status = PopExpression (Value);\r | |
2779 | if (EFI_ERROR (Status)) {\r | |
2780 | goto Done;\r | |
2781 | }\r | |
2782 | Data1.Type = EFI_IFR_TYPE_BOOLEAN;\r | |
2783 | Data1.Value.b = FALSE;\r | |
2784 | //\r | |
2785 | // Set value to var storage buffer\r | |
2786 | //\r | |
2787 | if (OpCode->VarStorage != NULL) {\r | |
2788 | switch (OpCode->VarStorage->Type) {\r | |
2789 | case EFI_HII_VARSTORE_BUFFER:\r | |
cce6230f | 2790 | case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER:\r |
2573712e LG |
2791 | CopyMem (OpCode->VarStorage->EditBuffer + OpCode->VarStoreInfo.VarOffset, &Value->Value, OpCode->ValueWidth);\r |
2792 | Data1.Value.b = TRUE;\r | |
2793 | break;\r | |
2794 | case EFI_HII_VARSTORE_NAME_VALUE:\r | |
2795 | if (OpCode->ValueType != EFI_IFR_TYPE_STRING) {\r | |
2796 | NameValue = AllocateZeroPool ((OpCode->ValueWidth * 2 + 1) * sizeof (CHAR16));\r | |
2797 | ASSERT (Value != NULL);\r | |
2798 | //\r | |
2799 | // Convert Buffer to Hex String\r | |
2800 | //\r | |
2801 | TempBuffer = (UINT8 *) &Value->Value + OpCode->ValueWidth - 1;\r | |
2802 | StrPtr = NameValue;\r | |
2803 | for (Index = 0; Index < OpCode->ValueWidth; Index ++, TempBuffer --) {\r | |
2804 | StrPtr += UnicodeValueToString (StrPtr, PREFIX_ZERO | RADIX_HEX, *TempBuffer, 2);\r | |
2805 | }\r | |
816a7110 | 2806 | Status = SetValueByName (OpCode->VarStorage, OpCode->ValueName, NameValue, GetSetValueWithEditBuffer);\r |
2573712e LG |
2807 | FreePool (NameValue);\r |
2808 | if (!EFI_ERROR (Status)) {\r | |
2809 | Data1.Value.b = TRUE;\r | |
2810 | }\r | |
2811 | }\r | |
2812 | break;\r | |
2813 | case EFI_HII_VARSTORE_EFI_VARIABLE:\r | |
2814 | Status = gRT->SetVariable (\r | |
2815 | OpCode->ValueName,\r | |
2816 | &OpCode->VarStorage->Guid,\r | |
2817 | OpCode->VarStorage->Attributes,\r | |
2818 | OpCode->ValueWidth,\r | |
2819 | &Value->Value\r | |
2820 | );\r | |
2821 | if (!EFI_ERROR (Status)) {\r | |
2822 | Data1.Value.b = TRUE;\r | |
2823 | }\r | |
2824 | break;\r | |
2825 | default:\r | |
2826 | //\r | |
2827 | // Not recognize storage.\r | |
2828 | //\r | |
2829 | Status = EFI_UNSUPPORTED;\r | |
2830 | goto Done;\r | |
2831 | break;\r | |
2832 | }\r | |
2833 | } else {\r | |
2834 | //\r | |
2835 | // For Time/Date Data\r | |
2836 | //\r | |
2837 | if (OpCode->ValueType != EFI_IFR_TYPE_DATE && OpCode->ValueType != EFI_IFR_TYPE_TIME) {\r | |
2838 | //\r | |
2839 | // Only support Data/Time data when storage doesn't exist.\r | |
2840 | //\r | |
2841 | Status = EFI_UNSUPPORTED;\r | |
2842 | goto Done;\r | |
2843 | }\r | |
2844 | Status = gRT->GetTime (&EfiTime, NULL);\r | |
2845 | if (!EFI_ERROR (Status)) {\r | |
2846 | if (OpCode->ValueType == EFI_IFR_TYPE_DATE) {\r | |
2847 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
2848 | case 0x00:\r | |
2849 | EfiTime.Year = Value->Value.u16;\r | |
2850 | break;\r | |
2851 | case 0x02:\r | |
2852 | EfiTime.Month = Value->Value.u8;\r | |
2853 | break;\r | |
2854 | case 0x03:\r | |
2855 | EfiTime.Day = Value->Value.u8;\r | |
2856 | break;\r | |
2857 | default:\r | |
2858 | //\r | |
2859 | // Invalid Date field.\r | |
2860 | //\r | |
2861 | Status = EFI_INVALID_PARAMETER;\r | |
2862 | goto Done;\r | |
2863 | }\r | |
2864 | } else {\r | |
2865 | switch (OpCode->VarStoreInfo.VarOffset) {\r | |
2866 | case 0x00:\r | |
2867 | EfiTime.Hour = Value->Value.u8;\r | |
2868 | break;\r | |
2869 | case 0x01:\r | |
2870 | EfiTime.Minute = Value->Value.u8;\r | |
2871 | break;\r | |
2872 | case 0x02:\r | |
2873 | EfiTime.Second = Value->Value.u8;\r | |
2874 | break;\r | |
2875 | default:\r | |
2876 | //\r | |
2877 | // Invalid Time field.\r | |
2878 | //\r | |
2879 | Status = EFI_INVALID_PARAMETER;\r | |
2880 | goto Done;\r | |
2881 | }\r | |
2882 | }\r | |
2883 | Status = gRT->SetTime (&EfiTime);\r | |
2884 | if (!EFI_ERROR (Status)) {\r | |
2885 | Data1.Value.b = TRUE;\r | |
2886 | }\r | |
2887 | }\r | |
2888 | }\r | |
2889 | Value = &Data1;\r | |
2890 | break;\r | |
2891 | \r | |
7936fb6a | 2892 | //\r |
2893 | // binary-op\r | |
2894 | //\r | |
2895 | case EFI_IFR_ADD_OP:\r | |
2896 | case EFI_IFR_SUBTRACT_OP:\r | |
2897 | case EFI_IFR_MULTIPLY_OP:\r | |
2898 | case EFI_IFR_DIVIDE_OP:\r | |
2899 | case EFI_IFR_MODULO_OP:\r | |
2900 | case EFI_IFR_BITWISE_AND_OP:\r | |
2901 | case EFI_IFR_BITWISE_OR_OP:\r | |
2902 | case EFI_IFR_SHIFT_LEFT_OP:\r | |
2903 | case EFI_IFR_SHIFT_RIGHT_OP:\r | |
2904 | //\r | |
2905 | // Pop an expression from the expression stack\r | |
2906 | //\r | |
2907 | Status = PopExpression (&Data2);\r | |
2908 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2909 | goto Done;\r |
7936fb6a | 2910 | }\r |
7936fb6a | 2911 | \r |
2912 | //\r | |
2913 | // Pop another expression from the expression stack\r | |
2914 | //\r | |
2915 | Status = PopExpression (&Data1);\r | |
2916 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2917 | goto Done;\r |
7936fb6a | 2918 | }\r |
8f420676 ED |
2919 | \r |
2920 | if (Data2.Type > EFI_IFR_TYPE_DATE) {\r | |
2921 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2922 | break;\r | |
2923 | }\r | |
2924 | \r | |
2925 | \r | |
7936fb6a | 2926 | if (Data1.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 | |
2932 | \r | |
2933 | switch (OpCode->Operand) {\r | |
2934 | case EFI_IFR_ADD_OP:\r | |
2935 | Value->Value.u64 = Data1.Value.u64 + Data2.Value.u64;\r | |
2936 | break;\r | |
2937 | \r | |
2938 | case EFI_IFR_SUBTRACT_OP:\r | |
2939 | Value->Value.u64 = Data1.Value.u64 - Data2.Value.u64;\r | |
2940 | break;\r | |
2941 | \r | |
2942 | case EFI_IFR_MULTIPLY_OP:\r | |
2943 | Value->Value.u64 = MultU64x32 (Data1.Value.u64, (UINT32) Data2.Value.u64);\r | |
2944 | break;\r | |
2945 | \r | |
2946 | case EFI_IFR_DIVIDE_OP:\r | |
2947 | Value->Value.u64 = DivU64x32 (Data1.Value.u64, (UINT32) Data2.Value.u64);\r | |
2948 | break;\r | |
2949 | \r | |
2950 | case EFI_IFR_MODULO_OP:\r | |
2951 | DivU64x32Remainder (Data1.Value.u64, (UINT32) Data2.Value.u64, &TempValue);\r | |
2952 | Value->Value.u64 = TempValue;\r | |
2953 | break;\r | |
2954 | \r | |
2955 | case EFI_IFR_BITWISE_AND_OP:\r | |
2956 | Value->Value.u64 = Data1.Value.u64 & Data2.Value.u64;\r | |
2957 | break;\r | |
2958 | \r | |
2959 | case EFI_IFR_BITWISE_OR_OP:\r | |
2960 | Value->Value.u64 = Data1.Value.u64 | Data2.Value.u64;\r | |
2961 | break;\r | |
2962 | \r | |
2963 | case EFI_IFR_SHIFT_LEFT_OP:\r | |
2964 | Value->Value.u64 = LShiftU64 (Data1.Value.u64, (UINTN) Data2.Value.u64);\r | |
2965 | break;\r | |
2966 | \r | |
2967 | case EFI_IFR_SHIFT_RIGHT_OP:\r | |
2968 | Value->Value.u64 = RShiftU64 (Data1.Value.u64, (UINTN) Data2.Value.u64);\r | |
2969 | break;\r | |
2970 | \r | |
2971 | default:\r | |
2972 | break;\r | |
2973 | }\r | |
2974 | break;\r | |
2975 | \r | |
2976 | case EFI_IFR_AND_OP:\r | |
2977 | case EFI_IFR_OR_OP:\r | |
2978 | //\r | |
2979 | // Two Boolean operator\r | |
2980 | //\r | |
2981 | Status = PopExpression (&Data2);\r | |
2982 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2983 | goto Done;\r |
7936fb6a | 2984 | }\r |
7936fb6a | 2985 | \r |
2986 | //\r | |
2987 | // Pop another expression from the expression stack\r | |
2988 | //\r | |
2989 | Status = PopExpression (&Data1);\r | |
2990 | if (EFI_ERROR (Status)) {\r | |
2573712e | 2991 | goto Done;\r |
7936fb6a | 2992 | }\r |
8f420676 ED |
2993 | \r |
2994 | if (Data2.Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
2995 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
2996 | break;\r | |
2997 | }\r | |
2998 | \r | |
7936fb6a | 2999 | if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {\r |
8f420676 ED |
3000 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
3001 | break;\r | |
7936fb6a | 3002 | }\r |
3003 | \r | |
3004 | if (OpCode->Operand == EFI_IFR_AND_OP) {\r | |
3005 | Value->Value.b = (BOOLEAN) (Data1.Value.b && Data2.Value.b);\r | |
3006 | } else {\r | |
3007 | Value->Value.b = (BOOLEAN) (Data1.Value.b || Data2.Value.b);\r | |
3008 | }\r | |
3009 | break;\r | |
3010 | \r | |
3011 | case EFI_IFR_EQUAL_OP:\r | |
3012 | case EFI_IFR_NOT_EQUAL_OP:\r | |
3013 | case EFI_IFR_GREATER_EQUAL_OP:\r | |
3014 | case EFI_IFR_GREATER_THAN_OP:\r | |
3015 | case EFI_IFR_LESS_EQUAL_OP:\r | |
3016 | case EFI_IFR_LESS_THAN_OP:\r | |
3017 | //\r | |
3018 | // Compare two integer, string, boolean or date/time\r | |
3019 | //\r | |
3020 | Status = PopExpression (&Data2);\r | |
3021 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3022 | goto Done;\r |
7936fb6a | 3023 | }\r |
7936fb6a | 3024 | \r |
3025 | //\r | |
3026 | // Pop another expression from the expression stack\r | |
3027 | //\r | |
3028 | Status = PopExpression (&Data1);\r | |
3029 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3030 | goto Done;\r |
7936fb6a | 3031 | }\r |
3032 | \r | |
8f420676 ED |
3033 | if (Data2.Type > EFI_IFR_TYPE_BOOLEAN && \r |
3034 | Data2.Type != EFI_IFR_TYPE_STRING && \r | |
3035 | Data2.Type != EFI_IFR_TYPE_BUFFER) {\r | |
3036 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
3037 | break;\r | |
3038 | }\r | |
3039 | \r | |
3040 | if (Data1.Type > EFI_IFR_TYPE_BOOLEAN && \r | |
3041 | Data1.Type != EFI_IFR_TYPE_STRING && \r | |
3042 | Data1.Type != EFI_IFR_TYPE_BUFFER) {\r | |
3043 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
3044 | break;\r | |
3045 | }\r | |
3046 | \r | |
3047 | Status = CompareHiiValue (&Data1, &Data2, &Result, FormSet->HiiHandle);\r | |
901ba0e7 ED |
3048 | if (Data1.Type == EFI_IFR_TYPE_BUFFER) {\r |
3049 | FreePool (Data1.Buffer);\r | |
3050 | FreePool (Data2.Buffer);\r | |
3051 | }\r | |
3052 | \r | |
8f420676 ED |
3053 | if (Status == EFI_UNSUPPORTED) {\r |
3054 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
3055 | Status = EFI_SUCCESS;\r | |
3056 | break;\r | |
3057 | }\r | |
3058 | \r | |
3059 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3060 | goto Done;\r |
7936fb6a | 3061 | }\r |
3062 | \r | |
3063 | switch (OpCode->Operand) {\r | |
3064 | case EFI_IFR_EQUAL_OP:\r | |
3065 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r | |
3066 | break;\r | |
3067 | \r | |
3068 | case EFI_IFR_NOT_EQUAL_OP:\r | |
7b9b2b92 | 3069 | Value->Value.b = (BOOLEAN) ((Result != 0) ? TRUE : FALSE);\r |
7936fb6a | 3070 | break;\r |
3071 | \r | |
3072 | case EFI_IFR_GREATER_EQUAL_OP:\r | |
3073 | Value->Value.b = (BOOLEAN) ((Result >= 0) ? TRUE : FALSE);\r | |
3074 | break;\r | |
3075 | \r | |
3076 | case EFI_IFR_GREATER_THAN_OP:\r | |
3077 | Value->Value.b = (BOOLEAN) ((Result > 0) ? TRUE : FALSE);\r | |
3078 | break;\r | |
3079 | \r | |
3080 | case EFI_IFR_LESS_EQUAL_OP:\r | |
3081 | Value->Value.b = (BOOLEAN) ((Result <= 0) ? TRUE : FALSE);\r | |
3082 | break;\r | |
3083 | \r | |
3084 | case EFI_IFR_LESS_THAN_OP:\r | |
3085 | Value->Value.b = (BOOLEAN) ((Result < 0) ? TRUE : FALSE);\r | |
3086 | break;\r | |
3087 | \r | |
3088 | default:\r | |
3089 | break;\r | |
3090 | }\r | |
3091 | break;\r | |
3092 | \r | |
3093 | case EFI_IFR_MATCH_OP:\r | |
20258293 ED |
3094 | Status = InitializeUnicodeCollationProtocol ();\r |
3095 | if (EFI_ERROR (Status)) {\r | |
3096 | goto Done;\r | |
3097 | }\r | |
3098 | \r | |
7936fb6a | 3099 | Status = IfrMatch (FormSet, Value);\r |
3100 | break;\r | |
3101 | \r | |
3102 | case EFI_IFR_CATENATE_OP:\r | |
3103 | Status = IfrCatenate (FormSet, Value);\r | |
3104 | break;\r | |
3105 | \r | |
3106 | //\r | |
3107 | // ternary-op\r | |
3108 | //\r | |
3109 | case EFI_IFR_CONDITIONAL_OP:\r | |
3110 | //\r | |
3111 | // Pop third expression from the expression stack\r | |
3112 | //\r | |
3113 | Status = PopExpression (&Data3);\r | |
3114 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3115 | goto Done;\r |
7936fb6a | 3116 | }\r |
3117 | \r | |
3118 | //\r | |
3119 | // Pop second expression from the expression stack\r | |
3120 | //\r | |
3121 | Status = PopExpression (&Data2);\r | |
3122 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3123 | goto Done;\r |
7936fb6a | 3124 | }\r |
3125 | \r | |
3126 | //\r | |
3127 | // Pop first expression from the expression stack\r | |
3128 | //\r | |
3129 | Status = PopExpression (&Data1);\r | |
3130 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3131 | goto Done;\r |
7936fb6a | 3132 | }\r |
3133 | if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {\r | |
8f420676 ED |
3134 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r |
3135 | break;\r | |
7936fb6a | 3136 | }\r |
3137 | \r | |
3138 | if (Data1.Value.b) {\r | |
3139 | Value = &Data3;\r | |
3140 | } else {\r | |
3141 | Value = &Data2;\r | |
3142 | }\r | |
3143 | break;\r | |
3144 | \r | |
3145 | case EFI_IFR_FIND_OP:\r | |
3146 | Status = IfrFind (FormSet, OpCode->Format, Value);\r | |
3147 | break;\r | |
3148 | \r | |
3149 | case EFI_IFR_MID_OP:\r | |
3150 | Status = IfrMid (FormSet, Value);\r | |
3151 | break;\r | |
3152 | \r | |
3153 | case EFI_IFR_TOKEN_OP:\r | |
3154 | Status = IfrToken (FormSet, Value);\r | |
3155 | break;\r | |
3156 | \r | |
3157 | case EFI_IFR_SPAN_OP:\r | |
3158 | Status = IfrSpan (FormSet, OpCode->Flags, Value);\r | |
3159 | break;\r | |
3160 | \r | |
2573712e LG |
3161 | case EFI_IFR_MAP_OP:\r |
3162 | //\r | |
3163 | // Pop the check value\r | |
3164 | //\r | |
3165 | Status = PopExpression (&Data1);\r | |
3166 | if (EFI_ERROR (Status)) {\r | |
3167 | goto Done;\r | |
3168 | }\r | |
3169 | //\r | |
3170 | // Check MapExpression list is valid.\r | |
3171 | //\r | |
3172 | if (OpCode->MapExpressionList.ForwardLink == NULL) {\r | |
3173 | Status = EFI_INVALID_PARAMETER;\r | |
3174 | goto Done;\r | |
3175 | }\r | |
3176 | //\r | |
3177 | // Go through map expression list.\r | |
3178 | //\r | |
3179 | SubExpressionLink = GetFirstNode(&OpCode->MapExpressionList);\r | |
3180 | while (!IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
3181 | SubExpression = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);\r | |
3182 | //\r | |
3183 | // Evaluate the first expression in this pair.\r | |
3184 | //\r | |
3185 | Status = EvaluateExpression (FormSet, Form, SubExpression);\r | |
3186 | if (EFI_ERROR (Status)) {\r | |
3187 | goto Done;\r | |
3188 | }\r | |
3189 | //\r | |
3190 | // Compare the expression value with current value\r | |
3191 | //\r | |
8f420676 | 3192 | if ((CompareHiiValue (&Data1, &SubExpression->Result, &Result, NULL) == EFI_SUCCESS) && (Result == 0)) {\r |
2573712e LG |
3193 | //\r |
3194 | // Try get the map value.\r | |
3195 | //\r | |
3196 | SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);\r | |
3197 | if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
3198 | Status = EFI_INVALID_PARAMETER;\r | |
3199 | goto Done;\r | |
3200 | }\r | |
3201 | SubExpression = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);\r | |
3202 | Status = EvaluateExpression (FormSet, Form, SubExpression);\r | |
3203 | if (EFI_ERROR (Status)) {\r | |
3204 | goto Done;\r | |
3205 | }\r | |
3206 | Value = &SubExpression->Result;\r | |
3207 | break;\r | |
3208 | }\r | |
3209 | //\r | |
3210 | // Skip the second expression on this pair.\r | |
3211 | //\r | |
3212 | SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);\r | |
3213 | if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
3214 | Status = EFI_INVALID_PARAMETER;\r | |
3215 | goto Done;\r | |
3216 | }\r | |
3217 | //\r | |
3218 | // Goto the first expression on next pair.\r | |
3219 | //\r | |
3220 | SubExpressionLink = GetNextNode (&OpCode->MapExpressionList, SubExpressionLink);\r | |
3221 | }\r | |
3222 | \r | |
3223 | //\r | |
3224 | // No map value is found.\r | |
3225 | //\r | |
3226 | if (IsNull (&OpCode->MapExpressionList, SubExpressionLink)) {\r | |
3227 | Value->Type = EFI_IFR_TYPE_UNDEFINED;\r | |
3228 | Value->Value.u8 = 0;\r | |
3229 | }\r | |
3230 | break;\r | |
3231 | \r | |
7936fb6a | 3232 | default:\r |
3233 | break;\r | |
3234 | }\r | |
8f420676 | 3235 | if (EFI_ERROR (Status) || Value->Type == EFI_IFR_TYPE_UNDEFINED) {\r |
2573712e | 3236 | goto Done;\r |
7936fb6a | 3237 | }\r |
3238 | \r | |
3239 | Status = PushExpression (Value);\r | |
3240 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3241 | goto Done;\r |
7936fb6a | 3242 | }\r |
3243 | }\r | |
3244 | \r | |
3245 | //\r | |
3246 | // Pop the final result from expression stack\r | |
3247 | //\r | |
3248 | Value = &Data1;\r | |
3249 | Status = PopExpression (Value);\r | |
3250 | if (EFI_ERROR (Status)) {\r | |
2573712e | 3251 | goto Done;\r |
7936fb6a | 3252 | }\r |
3253 | \r | |
3254 | //\r | |
3255 | // After evaluating an expression, there should be only one value left on the expression stack\r | |
3256 | //\r | |
3257 | if (PopExpression (Value) != EFI_ACCESS_DENIED) {\r | |
2573712e | 3258 | Status = EFI_INVALID_PARAMETER;\r |
7936fb6a | 3259 | }\r |
3260 | \r | |
2573712e LG |
3261 | Done:\r |
3262 | RestoreExpressionEvaluationStackOffset (StackOffset);\r | |
3263 | if (!EFI_ERROR (Status)) {\r | |
3264 | CopyMem (&Expression->Result, Value, sizeof (EFI_HII_VALUE));\r | |
3265 | }\r | |
7936fb6a | 3266 | \r |
2573712e | 3267 | return Status;\r |
7936fb6a | 3268 | }\r |
31585af4 ED |
3269 | \r |
3270 | /**\r | |
3271 | Return the result of the expression list. Check the expression list and \r | |
3272 | return the highest priority express result. \r | |
3273 | Priority: DisableIf > SuppressIf > GrayOutIf > FALSE\r | |
3274 | \r | |
3275 | @param ExpList The input expression list.\r | |
3276 | @param Evaluate Whether need to evaluate the expression first.\r | |
3277 | @param FormSet FormSet associated with this expression.\r | |
3278 | @param Form Form associated with this expression. \r | |
3279 | \r | |
3280 | @retval EXPRESS_RESULT Return the higher priority express result. \r | |
3281 | DisableIf > SuppressIf > GrayOutIf > FALSE\r | |
3282 | \r | |
3283 | **/\r | |
3284 | EXPRESS_RESULT \r | |
3285 | EvaluateExpressionList (\r | |
3286 | IN FORM_EXPRESSION_LIST *ExpList,\r | |
3287 | IN BOOLEAN Evaluate,\r | |
3288 | IN FORM_BROWSER_FORMSET *FormSet, OPTIONAL\r | |
3289 | IN FORM_BROWSER_FORM *Form OPTIONAL\r | |
3290 | )\r | |
3291 | {\r | |
3292 | UINTN Index;\r | |
3293 | EXPRESS_RESULT ReturnVal;\r | |
3294 | EXPRESS_RESULT CompareOne;\r | |
3295 | EFI_STATUS Status;\r | |
3296 | \r | |
3297 | if (ExpList == NULL) {\r | |
3298 | return ExpressFalse;\r | |
3299 | }\r | |
3300 | \r | |
3301 | ASSERT(ExpList->Signature == FORM_EXPRESSION_LIST_SIGNATURE);\r | |
3302 | Index = 0;\r | |
3303 | \r | |
3304 | //\r | |
3305 | // Check whether need to evaluate the expression first.\r | |
3306 | //\r | |
3307 | if (Evaluate) { \r | |
3308 | while (ExpList->Count > Index) {\r | |
3309 | Status = EvaluateExpression (FormSet, Form, ExpList->Expression[Index++]);\r | |
3310 | if (EFI_ERROR (Status)) {\r | |
3311 | return ExpressFalse;\r | |
3312 | }\r | |
3313 | }\r | |
3314 | }\r | |
3315 | \r | |
3316 | //\r | |
3317 | // Run the list of expressions.\r | |
3318 | //\r | |
3319 | ReturnVal = ExpressFalse;\r | |
3320 | for (Index = 0; Index < ExpList->Count; Index++) {\r | |
3321 | if (ExpList->Expression[Index]->Result.Type == EFI_IFR_TYPE_BOOLEAN &&\r | |
3322 | ExpList->Expression[Index]->Result.Value.b) {\r | |
3323 | switch (ExpList->Expression[Index]->Type) {\r | |
3324 | case EFI_HII_EXPRESSION_SUPPRESS_IF:\r | |
3325 | CompareOne = ExpressSuppress;\r | |
3326 | break;\r | |
3327 | \r | |
3328 | case EFI_HII_EXPRESSION_GRAY_OUT_IF:\r | |
3329 | CompareOne = ExpressGrayOut;\r | |
3330 | break;\r | |
3331 | \r | |
3332 | case EFI_HII_EXPRESSION_DISABLE_IF:\r | |
3333 | CompareOne = ExpressDisable;\r | |
3334 | break;\r | |
3335 | \r | |
3336 | default:\r | |
3337 | return ExpressFalse; \r | |
3338 | }\r | |
3339 | \r | |
3340 | ReturnVal = ReturnVal < CompareOne ? CompareOne : ReturnVal;\r | |
3341 | }\r | |
3342 | }\r | |
3343 | \r | |
3344 | return ReturnVal;\r | |
3345 | }\r |