| 7936fb6a |
1 | /** @file\r |
| 2 | Utility functions for expression evaluation.\r |
| 3 | \r |
| cbf73e50 |
4 | Copyright (c) 2007 - 2009, Intel Corporation\r |
| 7936fb6a |
5 | All rights reserved. This program and the accompanying materials\r |
| 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 |
| 27 | \r |
| 28 | //\r |
| 29 | // Unicode collation protocol interface\r |
| 30 | //\r |
| 31 | EFI_UNICODE_COLLATION_PROTOCOL *mUnicodeCollation = NULL;\r |
| cbf73e50 |
32 | EFI_USER_MANAGER_PROTOCOL *mUserManager = NULL;\r |
| 7936fb6a |
33 | \r |
| 34 | /**\r |
| 35 | Grow size of the stack.\r |
| 36 | \r |
| 37 | This is an internal function.\r |
| 38 | \r |
| 39 | @param Stack On input: old stack; On output: new stack\r |
| 40 | @param StackPtr On input: old stack pointer; On output: new stack\r |
| 41 | pointer\r |
| 42 | @param StackEnd On input: old stack end; On output: new stack end\r |
| 43 | \r |
| 44 | @retval EFI_SUCCESS Grow stack success.\r |
| 45 | @retval EFI_OUT_OF_RESOURCES No enough memory for stack space.\r |
| 46 | \r |
| 47 | **/\r |
| 48 | EFI_STATUS\r |
| 49 | GrowStack (\r |
| 50 | IN OUT EFI_HII_VALUE **Stack,\r |
| 51 | IN OUT EFI_HII_VALUE **StackPtr,\r |
| 52 | IN OUT EFI_HII_VALUE **StackEnd\r |
| 53 | )\r |
| 54 | {\r |
| 55 | UINTN Size;\r |
| 56 | EFI_HII_VALUE *NewStack;\r |
| 57 | \r |
| 58 | Size = EXPRESSION_STACK_SIZE_INCREMENT;\r |
| 59 | if (*StackPtr != NULL) {\r |
| 60 | Size = Size + (*StackEnd - *Stack);\r |
| 61 | }\r |
| 62 | \r |
| 63 | NewStack = AllocatePool (Size * sizeof (EFI_HII_VALUE));\r |
| 64 | if (NewStack == NULL) {\r |
| 65 | return EFI_OUT_OF_RESOURCES;\r |
| 66 | }\r |
| 67 | \r |
| 68 | if (*StackPtr != NULL) {\r |
| 69 | //\r |
| 70 | // Copy from Old Stack to the New Stack\r |
| 71 | //\r |
| 72 | CopyMem (\r |
| 73 | NewStack,\r |
| 74 | *Stack,\r |
| 75 | (*StackEnd - *Stack) * sizeof (EFI_HII_VALUE)\r |
| 76 | );\r |
| 77 | \r |
| 78 | //\r |
| 79 | // Free The Old Stack\r |
| 80 | //\r |
| f4113e1f |
81 | FreePool (*Stack);\r |
| 7936fb6a |
82 | }\r |
| 83 | \r |
| 84 | //\r |
| 85 | // Make the Stack pointer point to the old data in the new stack\r |
| 86 | //\r |
| 87 | *StackPtr = NewStack + (*StackPtr - *Stack);\r |
| 88 | *Stack = NewStack;\r |
| 89 | *StackEnd = NewStack + Size;\r |
| 90 | \r |
| 91 | return EFI_SUCCESS;\r |
| 92 | }\r |
| 93 | \r |
| 94 | \r |
| 95 | /**\r |
| 96 | Push an element onto the Boolean Stack.\r |
| 97 | \r |
| 98 | @param Stack On input: old stack; On output: new stack\r |
| 99 | @param StackPtr On input: old stack pointer; On output: new stack\r |
| 100 | pointer\r |
| 101 | @param StackEnd On input: old stack end; On output: new stack end\r |
| 102 | @param Data Data to push.\r |
| 103 | \r |
| 104 | @retval EFI_SUCCESS Push stack success.\r |
| 105 | \r |
| 106 | **/\r |
| 107 | EFI_STATUS\r |
| 108 | PushStack (\r |
| 109 | IN OUT EFI_HII_VALUE **Stack,\r |
| 110 | IN OUT EFI_HII_VALUE **StackPtr,\r |
| 111 | IN OUT EFI_HII_VALUE **StackEnd,\r |
| 112 | IN EFI_HII_VALUE *Data\r |
| 113 | )\r |
| 114 | {\r |
| 115 | EFI_STATUS Status;\r |
| 116 | \r |
| 117 | //\r |
| 118 | // Check for a stack overflow condition\r |
| 119 | //\r |
| 120 | if (*StackPtr >= *StackEnd) {\r |
| 121 | //\r |
| 122 | // Grow the stack\r |
| 123 | //\r |
| 124 | Status = GrowStack (Stack, StackPtr, StackEnd);\r |
| 125 | if (EFI_ERROR (Status)) {\r |
| 126 | return Status;\r |
| 127 | }\r |
| 128 | }\r |
| 129 | \r |
| 130 | //\r |
| 131 | // Push the item onto the stack\r |
| 132 | //\r |
| 133 | CopyMem (*StackPtr, Data, sizeof (EFI_HII_VALUE));\r |
| 134 | *StackPtr = *StackPtr + 1;\r |
| 135 | \r |
| 136 | return EFI_SUCCESS;\r |
| 137 | }\r |
| 138 | \r |
| 139 | \r |
| 140 | /**\r |
| 141 | Pop an element from the stack.\r |
| 142 | \r |
| 143 | @param Stack On input: old stack; On output: new stack\r |
| 144 | @param StackPtr On input: old stack pointer; On output: new stack\r |
| 145 | pointer\r |
| 146 | @param StackEnd On input: old stack end; On output: new stack end\r |
| 147 | @param Data Data to pop.\r |
| 148 | \r |
| 149 | @retval EFI_SUCCESS The value was popped onto the stack.\r |
| 150 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r |
| 151 | \r |
| 152 | **/\r |
| 153 | EFI_STATUS\r |
| 154 | PopStack (\r |
| 155 | IN OUT EFI_HII_VALUE **Stack,\r |
| 156 | IN OUT EFI_HII_VALUE **StackPtr,\r |
| 157 | IN OUT EFI_HII_VALUE **StackEnd,\r |
| 158 | OUT EFI_HII_VALUE *Data\r |
| 159 | )\r |
| 160 | {\r |
| 161 | //\r |
| 162 | // Check for a stack underflow condition\r |
| 163 | //\r |
| 164 | if (*StackPtr == *Stack) {\r |
| 165 | return EFI_ACCESS_DENIED;\r |
| 166 | }\r |
| 167 | \r |
| 168 | //\r |
| 169 | // Pop the item off the stack\r |
| 170 | //\r |
| 171 | *StackPtr = *StackPtr - 1;\r |
| 172 | CopyMem (Data, *StackPtr, sizeof (EFI_HII_VALUE));\r |
| 173 | return EFI_SUCCESS;\r |
| 174 | }\r |
| 175 | \r |
| 176 | \r |
| 177 | /**\r |
| 178 | Reset stack pointer to begin of the stack.\r |
| 179 | \r |
| 180 | **/\r |
| 181 | VOID\r |
| 182 | ResetScopeStack (\r |
| 183 | VOID\r |
| 184 | )\r |
| 185 | {\r |
| 186 | mOpCodeScopeStackPointer = mOpCodeScopeStack;\r |
| 187 | }\r |
| 188 | \r |
| 189 | \r |
| 190 | /**\r |
| 191 | Push an Operand onto the Stack\r |
| 192 | \r |
| 193 | @param Operand Operand to push.\r |
| 194 | \r |
| 195 | @retval EFI_SUCCESS The value was pushed onto the stack.\r |
| 196 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r |
| 197 | stack.\r |
| 198 | \r |
| 199 | **/\r |
| 200 | EFI_STATUS\r |
| 201 | PushScope (\r |
| 202 | IN UINT8 Operand\r |
| 203 | )\r |
| 204 | {\r |
| 205 | EFI_HII_VALUE Data;\r |
| 206 | \r |
| 207 | Data.Type = EFI_IFR_TYPE_NUM_SIZE_8;\r |
| 208 | Data.Value.u8 = Operand;\r |
| 209 | \r |
| 210 | return PushStack (\r |
| 211 | &mOpCodeScopeStack,\r |
| 212 | &mOpCodeScopeStackPointer,\r |
| 213 | &mOpCodeScopeStackEnd,\r |
| 214 | &Data\r |
| 215 | );\r |
| 216 | }\r |
| 217 | \r |
| 218 | \r |
| 219 | /**\r |
| 220 | Pop an Operand from the Stack\r |
| 221 | \r |
| 222 | @param Operand Operand to pop.\r |
| 223 | \r |
| 224 | @retval EFI_SUCCESS The value was pushed onto the stack.\r |
| 225 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r |
| 226 | stack.\r |
| 227 | \r |
| 228 | **/\r |
| 229 | EFI_STATUS\r |
| 230 | PopScope (\r |
| 231 | OUT UINT8 *Operand\r |
| 232 | )\r |
| 233 | {\r |
| 234 | EFI_STATUS Status;\r |
| 235 | EFI_HII_VALUE Data;\r |
| 236 | \r |
| 237 | Status = PopStack (\r |
| 238 | &mOpCodeScopeStack,\r |
| 239 | &mOpCodeScopeStackPointer,\r |
| 240 | &mOpCodeScopeStackEnd,\r |
| 241 | &Data\r |
| 242 | );\r |
| 243 | \r |
| 244 | *Operand = Data.Value.u8;\r |
| 245 | \r |
| 246 | return Status;\r |
| 247 | }\r |
| 248 | \r |
| 249 | \r |
| 250 | /**\r |
| 251 | Reset stack pointer to begin of the stack.\r |
| 252 | \r |
| 253 | **/\r |
| 254 | VOID\r |
| 255 | ResetExpressionStack (\r |
| 256 | VOID\r |
| 257 | )\r |
| 258 | {\r |
| 259 | mExpressionEvaluationStackPointer = mExpressionEvaluationStack;\r |
| 260 | }\r |
| 261 | \r |
| 262 | \r |
| 263 | /**\r |
| 264 | Push an Expression value onto the Stack\r |
| 265 | \r |
| 266 | @param Value Expression value to push.\r |
| 267 | \r |
| 268 | @retval EFI_SUCCESS The value was pushed onto the stack.\r |
| 269 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r |
| 270 | stack.\r |
| 271 | \r |
| 272 | **/\r |
| 273 | EFI_STATUS\r |
| 274 | PushExpression (\r |
| 275 | IN EFI_HII_VALUE *Value\r |
| 276 | )\r |
| 277 | {\r |
| 278 | return PushStack (\r |
| 279 | &mExpressionEvaluationStack,\r |
| 280 | &mExpressionEvaluationStackPointer,\r |
| 281 | &mExpressionEvaluationStackEnd,\r |
| 282 | Value\r |
| 283 | );\r |
| 284 | }\r |
| 285 | \r |
| 286 | \r |
| 287 | /**\r |
| 288 | Pop an Expression value from the stack.\r |
| 289 | \r |
| 290 | @param Value Expression value to pop.\r |
| 291 | \r |
| 292 | @retval EFI_SUCCESS The value was popped onto the stack.\r |
| 293 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r |
| 294 | \r |
| 295 | **/\r |
| 296 | EFI_STATUS\r |
| 297 | PopExpression (\r |
| 298 | OUT EFI_HII_VALUE *Value\r |
| 299 | )\r |
| 300 | {\r |
| 301 | return PopStack (\r |
| 302 | &mExpressionEvaluationStack,\r |
| 303 | &mExpressionEvaluationStackPointer,\r |
| 304 | &mExpressionEvaluationStackEnd,\r |
| 305 | Value\r |
| 306 | );\r |
| 307 | }\r |
| 308 | \r |
| 309 | \r |
| 310 | /**\r |
| 311 | Get Form given its FormId.\r |
| 312 | \r |
| 313 | @param FormSet The formset which contains this form.\r |
| 314 | @param FormId Id of this form.\r |
| 315 | \r |
| 316 | @retval Pointer The form.\r |
| 317 | @retval NULL Specified Form is not found in the formset.\r |
| 318 | \r |
| 319 | **/\r |
| 320 | FORM_BROWSER_FORM *\r |
| 321 | IdToForm (\r |
| 322 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 323 | IN UINT16 FormId\r |
| 324 | )\r |
| 325 | {\r |
| 326 | LIST_ENTRY *Link;\r |
| 327 | FORM_BROWSER_FORM *Form;\r |
| 328 | \r |
| 329 | Link = GetFirstNode (&FormSet->FormListHead);\r |
| 330 | while (!IsNull (&FormSet->FormListHead, Link)) {\r |
| 331 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r |
| 332 | \r |
| 333 | if (Form->FormId == FormId) {\r |
| 334 | return Form;\r |
| 335 | }\r |
| 336 | \r |
| 337 | Link = GetNextNode (&FormSet->FormListHead, Link);\r |
| 338 | }\r |
| 339 | \r |
| 340 | return NULL;\r |
| 341 | }\r |
| 342 | \r |
| 343 | \r |
| 344 | /**\r |
| 345 | Search a Question in Form scope using its QuestionId.\r |
| 346 | \r |
| 347 | @param Form The form which contains this Question.\r |
| 348 | @param QuestionId Id of this Question.\r |
| 349 | \r |
| 350 | @retval Pointer The Question.\r |
| 351 | @retval NULL Specified Question not found in the form.\r |
| 352 | \r |
| 353 | **/\r |
| 354 | FORM_BROWSER_STATEMENT *\r |
| 355 | IdToQuestion2 (\r |
| 356 | IN FORM_BROWSER_FORM *Form,\r |
| 357 | IN UINT16 QuestionId\r |
| 358 | )\r |
| 359 | {\r |
| 360 | LIST_ENTRY *Link;\r |
| 361 | FORM_BROWSER_STATEMENT *Question;\r |
| 362 | \r |
| 363 | if (QuestionId == 0) {\r |
| 364 | //\r |
| 365 | // The value of zero is reserved\r |
| 366 | //\r |
| 367 | return NULL;\r |
| 368 | }\r |
| 369 | \r |
| 370 | Link = GetFirstNode (&Form->StatementListHead);\r |
| 371 | while (!IsNull (&Form->StatementListHead, Link)) {\r |
| 372 | Question = FORM_BROWSER_STATEMENT_FROM_LINK (Link);\r |
| 373 | \r |
| 374 | if (Question->QuestionId == QuestionId) {\r |
| 375 | return Question;\r |
| 376 | }\r |
| 377 | \r |
| 378 | Link = GetNextNode (&Form->StatementListHead, Link);\r |
| 379 | }\r |
| 380 | \r |
| 381 | return NULL;\r |
| 382 | }\r |
| 383 | \r |
| 384 | \r |
| 385 | /**\r |
| 386 | Search a Question in Formset scope using its QuestionId.\r |
| 387 | \r |
| 388 | @param FormSet The formset which contains this form.\r |
| 389 | @param Form The form which contains this Question.\r |
| 390 | @param QuestionId Id of this Question.\r |
| 391 | \r |
| 392 | @retval Pointer The Question.\r |
| 393 | @retval NULL Specified Question not found in the form.\r |
| 394 | \r |
| 395 | **/\r |
| 396 | FORM_BROWSER_STATEMENT *\r |
| 397 | IdToQuestion (\r |
| 398 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 399 | IN FORM_BROWSER_FORM *Form,\r |
| 400 | IN UINT16 QuestionId\r |
| 401 | )\r |
| 402 | {\r |
| 403 | LIST_ENTRY *Link;\r |
| 404 | FORM_BROWSER_STATEMENT *Question;\r |
| 405 | \r |
| 406 | //\r |
| 407 | // Search in the form scope first\r |
| 408 | //\r |
| 409 | Question = IdToQuestion2 (Form, QuestionId);\r |
| 410 | if (Question != NULL) {\r |
| 411 | return Question;\r |
| 412 | }\r |
| 413 | \r |
| 414 | //\r |
| 415 | // Search in the formset scope\r |
| 416 | //\r |
| 417 | Link = GetFirstNode (&FormSet->FormListHead);\r |
| 418 | while (!IsNull (&FormSet->FormListHead, Link)) {\r |
| 419 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r |
| 420 | \r |
| 421 | Question = IdToQuestion2 (Form, QuestionId);\r |
| 422 | if (Question != NULL) {\r |
| 8d00a0f1 |
423 | //\r |
| 424 | // EFI variable storage may be updated by Callback() asynchronous,\r |
| 425 | // to keep synchronous, always reload the Question Value.\r |
| 426 | //\r |
| 427 | if (Question->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {\r |
| 428 | GetQuestionValue (FormSet, Form, Question, FALSE);\r |
| 429 | }\r |
| 430 | \r |
| 7936fb6a |
431 | return Question;\r |
| 432 | }\r |
| 433 | \r |
| 434 | Link = GetNextNode (&FormSet->FormListHead, Link);\r |
| 435 | }\r |
| 436 | \r |
| 437 | return NULL;\r |
| 438 | }\r |
| 439 | \r |
| 440 | \r |
| 441 | /**\r |
| 442 | Get Expression given its RuleId.\r |
| 443 | \r |
| 444 | @param Form The form which contains this Expression.\r |
| 445 | @param RuleId Id of this Expression.\r |
| 446 | \r |
| 447 | @retval Pointer The Expression.\r |
| 448 | @retval NULL Specified Expression not found in the form.\r |
| 449 | \r |
| 450 | **/\r |
| 451 | FORM_EXPRESSION *\r |
| 452 | RuleIdToExpression (\r |
| 453 | IN FORM_BROWSER_FORM *Form,\r |
| 454 | IN UINT8 RuleId\r |
| 455 | )\r |
| 456 | {\r |
| 457 | LIST_ENTRY *Link;\r |
| 458 | FORM_EXPRESSION *Expression;\r |
| 459 | \r |
| 460 | Link = GetFirstNode (&Form->ExpressionListHead);\r |
| 461 | while (!IsNull (&Form->ExpressionListHead, Link)) {\r |
| 462 | Expression = FORM_EXPRESSION_FROM_LINK (Link);\r |
| 463 | \r |
| 464 | if (Expression->Type == EFI_HII_EXPRESSION_RULE && Expression->RuleId == RuleId) {\r |
| 465 | return Expression;\r |
| 466 | }\r |
| 467 | \r |
| 468 | Link = GetNextNode (&Form->ExpressionListHead, Link);\r |
| 469 | }\r |
| 470 | \r |
| 471 | return NULL;\r |
| 472 | }\r |
| 473 | \r |
| 474 | \r |
| 475 | /**\r |
| 476 | Locate the Unicode Collation Protocol interface for later use.\r |
| 477 | \r |
| 478 | @retval EFI_SUCCESS Protocol interface initialize success.\r |
| 479 | @retval Other Protocol interface initialize failed.\r |
| 480 | \r |
| 481 | **/\r |
| 482 | EFI_STATUS\r |
| 483 | InitializeUnicodeCollationProtocol (\r |
| 484 | VOID\r |
| 485 | )\r |
| 486 | {\r |
| 487 | EFI_STATUS Status;\r |
| 488 | \r |
| 489 | if (mUnicodeCollation != NULL) {\r |
| 490 | return EFI_SUCCESS;\r |
| 491 | }\r |
| 492 | \r |
| 493 | //\r |
| 494 | // BUGBUG: Proper impelmentation is to locate all Unicode Collation Protocol\r |
| 495 | // instances first and then select one which support English language.\r |
| 496 | // Current implementation just pick the first instance.\r |
| 497 | //\r |
| 498 | Status = gBS->LocateProtocol (\r |
| 499 | &gEfiUnicodeCollation2ProtocolGuid,\r |
| 500 | NULL,\r |
| 501 | (VOID **) &mUnicodeCollation\r |
| 502 | );\r |
| 503 | return Status;\r |
| 504 | }\r |
| 505 | \r |
| 506 | /**\r |
| 507 | Convert the input Unicode character to upper.\r |
| 508 | \r |
| 509 | @param String Th Unicode character to be converted.\r |
| 510 | \r |
| 511 | **/\r |
| 512 | VOID\r |
| 513 | IfrStrToUpper (\r |
| 8b0fc5c1 |
514 | IN CHAR16 *String\r |
| 7936fb6a |
515 | )\r |
| 516 | {\r |
| 517 | while (*String != 0) {\r |
| 518 | if ((*String >= 'a') && (*String <= 'z')) {\r |
| 519 | *String = (UINT16) ((*String) & ((UINT16) ~0x20));\r |
| 520 | }\r |
| 521 | String++;\r |
| 522 | }\r |
| 523 | }\r |
| 524 | \r |
| 525 | \r |
| 526 | /**\r |
| 527 | Evaluate opcode EFI_IFR_TO_STRING.\r |
| 528 | \r |
| 529 | @param FormSet Formset which contains this opcode.\r |
| 530 | @param Format String format in EFI_IFR_TO_STRING.\r |
| 531 | @param Result Evaluation result for this opcode.\r |
| 532 | \r |
| 533 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 534 | @retval Other Opcode evaluation failed.\r |
| 535 | \r |
| 536 | **/\r |
| 537 | EFI_STATUS\r |
| 538 | IfrToString (\r |
| 539 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 540 | IN UINT8 Format,\r |
| 541 | OUT EFI_HII_VALUE *Result\r |
| 542 | )\r |
| 543 | {\r |
| 544 | EFI_STATUS Status;\r |
| 545 | EFI_HII_VALUE Value;\r |
| 546 | CHAR16 *String;\r |
| 547 | CHAR16 *PrintFormat;\r |
| 548 | CHAR16 Buffer[MAXIMUM_VALUE_CHARACTERS];\r |
| 549 | UINTN BufferSize;\r |
| 550 | \r |
| 551 | Status = PopExpression (&Value);\r |
| 552 | if (EFI_ERROR (Status)) {\r |
| 553 | return Status;\r |
| 554 | }\r |
| 555 | \r |
| 556 | switch (Value.Type) {\r |
| 557 | case EFI_IFR_TYPE_NUM_SIZE_8:\r |
| 558 | case EFI_IFR_TYPE_NUM_SIZE_16:\r |
| 559 | case EFI_IFR_TYPE_NUM_SIZE_32:\r |
| 560 | case EFI_IFR_TYPE_NUM_SIZE_64:\r |
| 561 | BufferSize = MAXIMUM_VALUE_CHARACTERS * sizeof (CHAR16);\r |
| 562 | switch (Format) {\r |
| 563 | case EFI_IFR_STRING_UNSIGNED_DEC:\r |
| 564 | case EFI_IFR_STRING_SIGNED_DEC:\r |
| 565 | PrintFormat = L"%ld";\r |
| 566 | break;\r |
| 567 | \r |
| 568 | case EFI_IFR_STRING_LOWERCASE_HEX:\r |
| 569 | PrintFormat = L"%lx";\r |
| 570 | break;\r |
| 571 | \r |
| 572 | case EFI_IFR_STRING_UPPERCASE_HEX:\r |
| 573 | PrintFormat = L"%lX";\r |
| 574 | break;\r |
| 575 | \r |
| 576 | default:\r |
| 577 | return EFI_UNSUPPORTED;\r |
| 578 | }\r |
| 579 | UnicodeSPrint (Buffer, BufferSize, PrintFormat, Value.Value.u64);\r |
| 580 | String = Buffer;\r |
| 581 | break;\r |
| 582 | \r |
| 583 | case EFI_IFR_TYPE_STRING:\r |
| 584 | CopyMem (Result, &Value, sizeof (EFI_HII_VALUE));\r |
| 585 | return EFI_SUCCESS;\r |
| 586 | \r |
| 587 | case EFI_IFR_TYPE_BOOLEAN:\r |
| 588 | String = (Value.Value.b) ? L"True" : L"False";\r |
| 589 | break;\r |
| 590 | \r |
| 591 | default:\r |
| 592 | return EFI_UNSUPPORTED;\r |
| 593 | }\r |
| 594 | \r |
| 595 | Result->Type = EFI_IFR_TYPE_STRING;\r |
| 596 | Result->Value.string = NewString (String, FormSet->HiiHandle);\r |
| 597 | return EFI_SUCCESS;\r |
| 598 | }\r |
| 599 | \r |
| 600 | \r |
| 601 | /**\r |
| 602 | Evaluate opcode EFI_IFR_TO_UINT.\r |
| 603 | \r |
| 604 | @param FormSet Formset which contains this opcode.\r |
| 605 | @param Result Evaluation result for this opcode.\r |
| 606 | \r |
| 607 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 608 | @retval Other Opcode evaluation failed.\r |
| 609 | \r |
| 610 | **/\r |
| 611 | EFI_STATUS\r |
| 612 | IfrToUint (\r |
| 613 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 614 | OUT EFI_HII_VALUE *Result\r |
| 615 | )\r |
| 616 | {\r |
| 617 | EFI_STATUS Status;\r |
| 618 | EFI_HII_VALUE Value;\r |
| 619 | CHAR16 *String;\r |
| 620 | CHAR16 *StringPtr;\r |
| 7936fb6a |
621 | \r |
| 622 | Status = PopExpression (&Value);\r |
| 623 | if (EFI_ERROR (Status)) {\r |
| 624 | return Status;\r |
| 625 | }\r |
| 626 | \r |
| 627 | if (Value.Type >= EFI_IFR_TYPE_OTHER) {\r |
| 628 | return EFI_UNSUPPORTED;\r |
| 629 | }\r |
| 630 | \r |
| 631 | Status = EFI_SUCCESS;\r |
| 632 | if (Value.Type == EFI_IFR_TYPE_STRING) {\r |
| 633 | String = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| 634 | if (String == NULL) {\r |
| 635 | return EFI_NOT_FOUND;\r |
| 636 | }\r |
| 8b0fc5c1 |
637 | \r |
| 7936fb6a |
638 | IfrStrToUpper (String);\r |
| 639 | StringPtr = StrStr (String, L"0X");\r |
| 640 | if (StringPtr != NULL) {\r |
| 641 | //\r |
| 642 | // Hex string\r |
| 643 | //\r |
| ac7e320c |
644 | Result->Value.u64 = StrHexToUint64 (String);\r |
| 7936fb6a |
645 | } else {\r |
| 646 | //\r |
| ac7e320c |
647 | // decimal string\r |
| 7936fb6a |
648 | //\r |
| ac7e320c |
649 | Result->Value.u64 = StrDecimalToUint64 (String);\r |
| 7936fb6a |
650 | }\r |
| f4113e1f |
651 | FreePool (String);\r |
| 7936fb6a |
652 | } else {\r |
| 653 | CopyMem (Result, &Value, sizeof (EFI_HII_VALUE));\r |
| 654 | }\r |
| 655 | \r |
| 656 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 657 | return Status;\r |
| 658 | }\r |
| 659 | \r |
| 660 | \r |
| 661 | /**\r |
| 662 | Evaluate opcode EFI_IFR_CATENATE.\r |
| 663 | \r |
| 664 | @param FormSet Formset which contains this opcode.\r |
| 665 | @param Result Evaluation result for this opcode.\r |
| 666 | \r |
| 667 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 668 | @retval Other Opcode evaluation failed.\r |
| 669 | \r |
| 670 | **/\r |
| 671 | EFI_STATUS\r |
| 672 | IfrCatenate (\r |
| 673 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 674 | OUT EFI_HII_VALUE *Result\r |
| 675 | )\r |
| 676 | {\r |
| 677 | EFI_STATUS Status;\r |
| 678 | EFI_HII_VALUE Value;\r |
| 679 | CHAR16 *String[2];\r |
| 680 | UINTN Index;\r |
| 681 | CHAR16 *StringPtr;\r |
| 682 | UINTN Size;\r |
| 683 | \r |
| 684 | //\r |
| 685 | // String[0] - The second string\r |
| 686 | // String[1] - The first string\r |
| 687 | //\r |
| 688 | String[0] = NULL;\r |
| 689 | String[1] = NULL;\r |
| 690 | StringPtr = NULL;\r |
| 691 | Status = EFI_SUCCESS;\r |
| 692 | \r |
| 693 | for (Index = 0; Index < 2; Index++) {\r |
| 694 | Status = PopExpression (&Value);\r |
| 695 | if (EFI_ERROR (Status)) {\r |
| 696 | goto Done;\r |
| 697 | }\r |
| 698 | \r |
| 699 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 700 | Status = EFI_UNSUPPORTED;\r |
| 701 | goto Done;\r |
| 702 | }\r |
| 703 | \r |
| 704 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| d0720b57 |
705 | if (String[Index] == NULL) {\r |
| 7936fb6a |
706 | Status = EFI_NOT_FOUND;\r |
| 707 | goto Done;\r |
| 708 | }\r |
| 709 | }\r |
| 710 | \r |
| 711 | Size = StrSize (String[0]);\r |
| 712 | StringPtr= AllocatePool (StrSize (String[1]) + Size);\r |
| 713 | ASSERT (StringPtr != NULL);\r |
| 714 | StrCpy (StringPtr, String[1]);\r |
| 715 | StrCat (StringPtr, String[0]);\r |
| 716 | \r |
| 717 | Result->Type = EFI_IFR_TYPE_STRING;\r |
| 718 | Result->Value.string = NewString (StringPtr, FormSet->HiiHandle);\r |
| 719 | \r |
| 720 | Done:\r |
| 676df92c |
721 | if (String[0] != NULL) {\r |
| 722 | FreePool (String[0]);\r |
| 723 | }\r |
| 724 | if (String[1] != NULL) {\r |
| 725 | FreePool (String[1]);\r |
| 8b0fc5c1 |
726 | }\r |
| 676df92c |
727 | if (StringPtr != NULL) {\r |
| 728 | FreePool (StringPtr);\r |
| 729 | }\r |
| 7936fb6a |
730 | \r |
| 731 | return Status;\r |
| 732 | }\r |
| 733 | \r |
| 734 | \r |
| 735 | /**\r |
| 736 | Evaluate opcode EFI_IFR_MATCH.\r |
| 737 | \r |
| 738 | @param FormSet Formset which contains this opcode.\r |
| 739 | @param Result Evaluation result for this opcode.\r |
| 740 | \r |
| 741 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 742 | @retval Other Opcode evaluation failed.\r |
| 743 | \r |
| 744 | **/\r |
| 745 | EFI_STATUS\r |
| 746 | IfrMatch (\r |
| 747 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 748 | OUT EFI_HII_VALUE *Result\r |
| 749 | )\r |
| 750 | {\r |
| 751 | EFI_STATUS Status;\r |
| 752 | EFI_HII_VALUE Value;\r |
| 753 | CHAR16 *String[2];\r |
| 754 | UINTN Index;\r |
| 755 | \r |
| 756 | //\r |
| 757 | // String[0] - The string to search\r |
| 758 | // String[1] - pattern\r |
| 759 | //\r |
| 760 | String[0] = NULL;\r |
| 761 | String[1] = NULL;\r |
| 762 | Status = EFI_SUCCESS;\r |
| 763 | for (Index = 0; Index < 2; Index++) {\r |
| 764 | Status = PopExpression (&Value);\r |
| 765 | if (EFI_ERROR (Status)) {\r |
| 766 | goto Done;\r |
| 767 | }\r |
| 768 | \r |
| 769 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 770 | Status = EFI_UNSUPPORTED;\r |
| 771 | goto Done;\r |
| 772 | }\r |
| 773 | \r |
| 774 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| bc166db3 |
775 | if (String [Index] == NULL) {\r |
| 7936fb6a |
776 | Status = EFI_NOT_FOUND;\r |
| 777 | goto Done;\r |
| 778 | }\r |
| 779 | }\r |
| 780 | \r |
| 781 | Result->Type = EFI_IFR_TYPE_BOOLEAN;\r |
| 782 | Result->Value.b = mUnicodeCollation->MetaiMatch (mUnicodeCollation, String[0], String[1]);\r |
| 783 | \r |
| 784 | Done:\r |
| 676df92c |
785 | if (String[0] != NULL) {\r |
| 786 | FreePool (String[0]);\r |
| 787 | }\r |
| 788 | if (String[1] != NULL) {\r |
| 789 | FreePool (String[1]);\r |
| 8b0fc5c1 |
790 | }\r |
| 7936fb6a |
791 | \r |
| 792 | return Status;\r |
| 793 | }\r |
| 794 | \r |
| 795 | \r |
| 796 | /**\r |
| 797 | Evaluate opcode EFI_IFR_FIND.\r |
| 798 | \r |
| 799 | @param FormSet Formset which contains this opcode.\r |
| 800 | @param Format Case sensitive or insensitive.\r |
| 801 | @param Result Evaluation result for this opcode.\r |
| 802 | \r |
| 803 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 804 | @retval Other Opcode evaluation failed.\r |
| 805 | \r |
| 806 | **/\r |
| 807 | EFI_STATUS\r |
| 808 | IfrFind (\r |
| 809 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 810 | IN UINT8 Format,\r |
| 811 | OUT EFI_HII_VALUE *Result\r |
| 812 | )\r |
| 813 | {\r |
| 814 | EFI_STATUS Status;\r |
| 815 | EFI_HII_VALUE Value;\r |
| 816 | CHAR16 *String[2];\r |
| 817 | UINTN Base;\r |
| 818 | CHAR16 *StringPtr;\r |
| 819 | UINTN Index;\r |
| 820 | \r |
| 821 | if (Format > EFI_IFR_FF_CASE_INSENSITIVE) {\r |
| 822 | return EFI_UNSUPPORTED;\r |
| 823 | }\r |
| 824 | \r |
| 825 | Status = PopExpression (&Value);\r |
| 826 | if (EFI_ERROR (Status)) {\r |
| 827 | return Status;\r |
| 828 | }\r |
| 829 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r |
| 830 | return EFI_UNSUPPORTED;\r |
| 831 | }\r |
| 832 | Base = (UINTN) Value.Value.u64;\r |
| 833 | \r |
| 834 | //\r |
| 835 | // String[0] - sub-string\r |
| 836 | // String[1] - The string to search\r |
| 837 | //\r |
| 838 | String[0] = NULL;\r |
| 839 | String[1] = NULL;\r |
| 840 | for (Index = 0; Index < 2; Index++) {\r |
| 841 | Status = PopExpression (&Value);\r |
| 842 | if (EFI_ERROR (Status)) {\r |
| 843 | goto Done;\r |
| 844 | }\r |
| 845 | \r |
| 846 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 847 | Status = EFI_UNSUPPORTED;\r |
| 848 | goto Done;\r |
| 849 | }\r |
| 850 | \r |
| 851 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| d0720b57 |
852 | if (String[Index] == NULL) {\r |
| 7936fb6a |
853 | Status = EFI_NOT_FOUND;\r |
| 854 | goto Done;\r |
| 855 | }\r |
| 856 | \r |
| 857 | if (Format == EFI_IFR_FF_CASE_INSENSITIVE) {\r |
| 858 | //\r |
| 859 | // Case insensitive, convert both string to upper case\r |
| 860 | //\r |
| 861 | IfrStrToUpper (String[Index]);\r |
| 862 | }\r |
| 863 | }\r |
| 864 | \r |
| 865 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 866 | if (Base >= StrLen (String[1])) {\r |
| 867 | Result->Value.u64 = 0xFFFFFFFFFFFFFFFFULL;\r |
| 868 | } else {\r |
| 869 | StringPtr = StrStr (String[1] + Base, String[0]);\r |
| 870 | Result->Value.u64 = (StringPtr == NULL) ? 0xFFFFFFFFFFFFFFFFULL : (StringPtr - String[1]);\r |
| 871 | }\r |
| 872 | \r |
| 873 | Done:\r |
| 676df92c |
874 | if (String[0] != NULL) {\r |
| 875 | FreePool (String[0]);\r |
| 876 | }\r |
| 877 | if (String[1] != NULL) {\r |
| 878 | FreePool (String[1]);\r |
| 8b0fc5c1 |
879 | }\r |
| 7936fb6a |
880 | \r |
| 881 | return Status;\r |
| 882 | }\r |
| 883 | \r |
| 884 | \r |
| 885 | /**\r |
| 886 | Evaluate opcode EFI_IFR_MID.\r |
| 887 | \r |
| 888 | @param FormSet Formset which contains this opcode.\r |
| 889 | @param Result Evaluation result for this opcode.\r |
| 890 | \r |
| 891 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 892 | @retval Other Opcode evaluation failed.\r |
| 893 | \r |
| 894 | **/\r |
| 895 | EFI_STATUS\r |
| 896 | IfrMid (\r |
| 897 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 898 | OUT EFI_HII_VALUE *Result\r |
| 899 | )\r |
| 900 | {\r |
| 901 | EFI_STATUS Status;\r |
| 902 | EFI_HII_VALUE Value;\r |
| 903 | CHAR16 *String;\r |
| 904 | UINTN Base;\r |
| 905 | UINTN Length;\r |
| 906 | CHAR16 *SubString;\r |
| 907 | \r |
| 908 | Status = PopExpression (&Value);\r |
| 909 | if (EFI_ERROR (Status)) {\r |
| 910 | return Status;\r |
| 911 | }\r |
| 912 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r |
| 913 | return EFI_UNSUPPORTED;\r |
| 914 | }\r |
| 915 | Length = (UINTN) Value.Value.u64;\r |
| 916 | \r |
| 917 | Status = PopExpression (&Value);\r |
| 918 | if (EFI_ERROR (Status)) {\r |
| 919 | return Status;\r |
| 920 | }\r |
| 921 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r |
| 922 | return EFI_UNSUPPORTED;\r |
| 923 | }\r |
| 924 | Base = (UINTN) Value.Value.u64;\r |
| 925 | \r |
| 926 | Status = PopExpression (&Value);\r |
| 927 | if (EFI_ERROR (Status)) {\r |
| 928 | return Status;\r |
| 929 | }\r |
| 930 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 931 | return EFI_UNSUPPORTED;\r |
| 932 | }\r |
| 933 | String = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| 934 | if (String == NULL) {\r |
| 935 | return EFI_NOT_FOUND;\r |
| 936 | }\r |
| 937 | \r |
| 938 | if (Length == 0 || Base >= StrLen (String)) {\r |
| 939 | SubString = gEmptyString;\r |
| 940 | } else {\r |
| 941 | SubString = String + Base;\r |
| 942 | if ((Base + Length) < StrLen (String)) {\r |
| 943 | SubString[Length] = L'\0';\r |
| 944 | }\r |
| 945 | }\r |
| 946 | \r |
| 947 | Result->Type = EFI_IFR_TYPE_STRING;\r |
| 948 | Result->Value.string = NewString (SubString, FormSet->HiiHandle);\r |
| 949 | \r |
| f4113e1f |
950 | FreePool (String);\r |
| 7936fb6a |
951 | \r |
| 952 | return Status;\r |
| 953 | }\r |
| 954 | \r |
| 955 | \r |
| 956 | /**\r |
| 957 | Evaluate opcode EFI_IFR_TOKEN.\r |
| 958 | \r |
| 959 | @param FormSet Formset which contains this opcode.\r |
| 960 | @param Result Evaluation result for this opcode.\r |
| 961 | \r |
| 962 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 963 | @retval Other Opcode evaluation failed.\r |
| 964 | \r |
| 965 | **/\r |
| 966 | EFI_STATUS\r |
| 967 | IfrToken (\r |
| 968 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 969 | OUT EFI_HII_VALUE *Result\r |
| 970 | )\r |
| 971 | {\r |
| 972 | EFI_STATUS Status;\r |
| 973 | EFI_HII_VALUE Value;\r |
| 974 | CHAR16 *String[2];\r |
| 975 | UINTN Count;\r |
| 976 | CHAR16 *Delimiter;\r |
| 977 | CHAR16 *SubString;\r |
| 978 | CHAR16 *StringPtr;\r |
| 979 | UINTN Index;\r |
| 980 | \r |
| 981 | Status = PopExpression (&Value);\r |
| 982 | if (EFI_ERROR (Status)) {\r |
| 983 | return Status;\r |
| 984 | }\r |
| 985 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r |
| 986 | return EFI_UNSUPPORTED;\r |
| 987 | }\r |
| 988 | Count = (UINTN) Value.Value.u64;\r |
| 989 | \r |
| 990 | //\r |
| 991 | // String[0] - Delimiter\r |
| 992 | // String[1] - The string to search\r |
| 993 | //\r |
| 994 | String[0] = NULL;\r |
| 995 | String[1] = NULL;\r |
| 996 | for (Index = 0; Index < 2; Index++) {\r |
| 997 | Status = PopExpression (&Value);\r |
| 998 | if (EFI_ERROR (Status)) {\r |
| 999 | goto Done;\r |
| 1000 | }\r |
| 1001 | \r |
| 1002 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 1003 | Status = EFI_UNSUPPORTED;\r |
| 1004 | goto Done;\r |
| 1005 | }\r |
| 1006 | \r |
| 1007 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| d0720b57 |
1008 | if (String[Index] == NULL) {\r |
| 7936fb6a |
1009 | Status = EFI_NOT_FOUND;\r |
| 1010 | goto Done;\r |
| 1011 | }\r |
| 1012 | }\r |
| 1013 | \r |
| 1014 | Delimiter = String[0];\r |
| 1015 | SubString = String[1];\r |
| 1016 | while (Count > 0) {\r |
| 1017 | SubString = StrStr (SubString, Delimiter);\r |
| 1018 | if (SubString != NULL) {\r |
| 1019 | //\r |
| 1020 | // Skip over the delimiter\r |
| 1021 | //\r |
| 1022 | SubString = SubString + StrLen (Delimiter);\r |
| 1023 | } else {\r |
| 1024 | break;\r |
| 1025 | }\r |
| 1026 | Count--;\r |
| 1027 | }\r |
| 1028 | \r |
| 1029 | if (SubString == NULL) {\r |
| 1030 | //\r |
| 1031 | // nth delimited sub-string not found, push an empty string\r |
| 1032 | //\r |
| 1033 | SubString = gEmptyString;\r |
| 1034 | } else {\r |
| 1035 | //\r |
| 1036 | // Put a NULL terminator for nth delimited sub-string\r |
| 1037 | //\r |
| 1038 | StringPtr = StrStr (SubString, Delimiter);\r |
| 1039 | if (StringPtr != NULL) {\r |
| 1040 | *StringPtr = L'\0';\r |
| 1041 | }\r |
| 1042 | }\r |
| 1043 | \r |
| 1044 | Result->Type = EFI_IFR_TYPE_STRING;\r |
| 1045 | Result->Value.string = NewString (SubString, FormSet->HiiHandle);\r |
| 1046 | \r |
| 1047 | Done:\r |
| 676df92c |
1048 | if (String[0] != NULL) {\r |
| 1049 | FreePool (String[0]);\r |
| 1050 | }\r |
| 1051 | if (String[1] != NULL) {\r |
| 1052 | FreePool (String[1]);\r |
| 8b0fc5c1 |
1053 | }\r |
| 7936fb6a |
1054 | \r |
| 1055 | return Status;\r |
| 1056 | }\r |
| 1057 | \r |
| 1058 | \r |
| 1059 | /**\r |
| 1060 | Evaluate opcode EFI_IFR_SPAN.\r |
| 1061 | \r |
| 1062 | @param FormSet Formset which contains this opcode.\r |
| 1063 | @param Flags FIRST_MATCHING or FIRST_NON_MATCHING.\r |
| 1064 | @param Result Evaluation result for this opcode.\r |
| 1065 | \r |
| 1066 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 1067 | @retval Other Opcode evaluation failed.\r |
| 1068 | \r |
| 1069 | **/\r |
| 1070 | EFI_STATUS\r |
| 1071 | IfrSpan (\r |
| 1072 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 1073 | IN UINT8 Flags,\r |
| 1074 | OUT EFI_HII_VALUE *Result\r |
| 1075 | )\r |
| 1076 | {\r |
| 1077 | EFI_STATUS Status;\r |
| 1078 | EFI_HII_VALUE Value;\r |
| 1079 | CHAR16 *String[2];\r |
| 1080 | CHAR16 *Charset;\r |
| 1081 | UINTN Base;\r |
| 1082 | UINTN Index;\r |
| 1083 | CHAR16 *StringPtr;\r |
| 1084 | BOOLEAN Found;\r |
| 1085 | \r |
| 1086 | Status = PopExpression (&Value);\r |
| 1087 | if (EFI_ERROR (Status)) {\r |
| 1088 | return Status;\r |
| 1089 | }\r |
| 1090 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r |
| 1091 | return EFI_UNSUPPORTED;\r |
| 1092 | }\r |
| 1093 | Base = (UINTN) Value.Value.u64;\r |
| 1094 | \r |
| 1095 | //\r |
| 1096 | // String[0] - Charset\r |
| 1097 | // String[1] - The string to search\r |
| 1098 | //\r |
| 1099 | String[0] = NULL;\r |
| 1100 | String[1] = NULL;\r |
| 1101 | for (Index = 0; Index < 2; Index++) {\r |
| 1102 | Status = PopExpression (&Value);\r |
| 1103 | if (EFI_ERROR (Status)) {\r |
| 1104 | goto Done;\r |
| 1105 | }\r |
| 1106 | \r |
| 1107 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 1108 | Status = EFI_UNSUPPORTED;\r |
| 1109 | goto Done;\r |
| 1110 | }\r |
| 1111 | \r |
| 1112 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| bc166db3 |
1113 | if (String [Index] == NULL) {\r |
| 7936fb6a |
1114 | Status = EFI_NOT_FOUND;\r |
| 1115 | goto Done;\r |
| 1116 | }\r |
| 1117 | }\r |
| 1118 | \r |
| 1119 | if (Base >= StrLen (String[1])) {\r |
| 1120 | Status = EFI_UNSUPPORTED;\r |
| 1121 | goto Done;\r |
| 1122 | }\r |
| 1123 | \r |
| 1124 | Found = FALSE;\r |
| 1125 | StringPtr = String[1] + Base;\r |
| 1126 | Charset = String[0];\r |
| 1127 | while (*StringPtr != 0 && !Found) {\r |
| 1128 | Index = 0;\r |
| 1129 | while (Charset[Index] != 0) {\r |
| 1130 | if (*StringPtr >= Charset[Index] && *StringPtr <= Charset[Index + 1]) {\r |
| 1131 | if (Flags == EFI_IFR_FLAGS_FIRST_MATCHING) {\r |
| 1132 | Found = TRUE;\r |
| 1133 | break;\r |
| 1134 | }\r |
| 1135 | } else {\r |
| 1136 | if (Flags == EFI_IFR_FLAGS_FIRST_NON_MATCHING) {\r |
| 1137 | Found = TRUE;\r |
| 1138 | break;\r |
| 1139 | }\r |
| 1140 | }\r |
| 1141 | //\r |
| 1142 | // Skip characters pair representing low-end of a range and high-end of a range\r |
| 1143 | //\r |
| 1144 | Index += 2;\r |
| 1145 | }\r |
| 1146 | \r |
| 1147 | if (!Found) {\r |
| 1148 | StringPtr++;\r |
| 1149 | }\r |
| 1150 | }\r |
| 1151 | \r |
| 1152 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 1153 | Result->Value.u64 = StringPtr - String[1];\r |
| 1154 | \r |
| 1155 | Done:\r |
| 676df92c |
1156 | if (String[0] != NULL) {\r |
| 1157 | FreePool (String[0]);\r |
| 1158 | }\r |
| 1159 | if (String[1] != NULL) {\r |
| 1160 | FreePool (String[1]);\r |
| 8b0fc5c1 |
1161 | }\r |
| 7936fb6a |
1162 | \r |
| 1163 | return Status;\r |
| 1164 | }\r |
| 1165 | \r |
| 1166 | \r |
| 1167 | /**\r |
| 1168 | Zero extend integer/boolean/date/time to UINT64 for comparing.\r |
| 1169 | \r |
| 1170 | @param Value HII Value to be converted.\r |
| 1171 | \r |
| 1172 | **/\r |
| 1173 | VOID\r |
| 1174 | ExtendValueToU64 (\r |
| 1175 | IN EFI_HII_VALUE *Value\r |
| 1176 | )\r |
| 1177 | {\r |
| 1178 | UINT64 Temp;\r |
| 1179 | \r |
| 1180 | Temp = 0;\r |
| 1181 | switch (Value->Type) {\r |
| 1182 | case EFI_IFR_TYPE_NUM_SIZE_8:\r |
| 1183 | Temp = Value->Value.u8;\r |
| 1184 | break;\r |
| 1185 | \r |
| 1186 | case EFI_IFR_TYPE_NUM_SIZE_16:\r |
| 1187 | Temp = Value->Value.u16;\r |
| 1188 | break;\r |
| 1189 | \r |
| 1190 | case EFI_IFR_TYPE_NUM_SIZE_32:\r |
| 1191 | Temp = Value->Value.u32;\r |
| 1192 | break;\r |
| 1193 | \r |
| 1194 | case EFI_IFR_TYPE_BOOLEAN:\r |
| 1195 | Temp = Value->Value.b;\r |
| 1196 | break;\r |
| 1197 | \r |
| 1198 | case EFI_IFR_TYPE_TIME:\r |
| 1199 | Temp = Value->Value.u32 & 0xffffff;\r |
| 1200 | break;\r |
| 1201 | \r |
| 1202 | case EFI_IFR_TYPE_DATE:\r |
| 1203 | Temp = Value->Value.u32;\r |
| 1204 | break;\r |
| 1205 | \r |
| 1206 | default:\r |
| 1207 | return;\r |
| 1208 | }\r |
| 1209 | \r |
| 1210 | Value->Value.u64 = Temp;\r |
| 1211 | }\r |
| 1212 | \r |
| 1213 | \r |
| 1214 | /**\r |
| 1215 | Compare two Hii value.\r |
| 1216 | \r |
| 1217 | @param Value1 Expression value to compare on left-hand.\r |
| 1218 | @param Value2 Expression value to compare on right-hand.\r |
| 1219 | @param HiiHandle Only required for string compare.\r |
| 1220 | \r |
| 1221 | @retval EFI_INVALID_PARAMETER Could not perform comparation on two values.\r |
| 1222 | @retval 0 Two operators equeal.\r |
| 1223 | @return Positive value if Value1 is greater than Value2.\r |
| 1224 | @retval Negative value if Value1 is less than Value2.\r |
| 1225 | \r |
| 1226 | **/\r |
| 1227 | INTN\r |
| 1228 | CompareHiiValue (\r |
| 1229 | IN EFI_HII_VALUE *Value1,\r |
| 1230 | IN EFI_HII_VALUE *Value2,\r |
| 1231 | IN EFI_HII_HANDLE HiiHandle OPTIONAL\r |
| 1232 | )\r |
| 1233 | {\r |
| 1234 | INTN Result;\r |
| 1235 | INT64 Temp64;\r |
| 1236 | CHAR16 *Str1;\r |
| 1237 | CHAR16 *Str2;\r |
| 1238 | \r |
| 1239 | if (Value1->Type >= EFI_IFR_TYPE_OTHER || Value2->Type >= EFI_IFR_TYPE_OTHER ) {\r |
| 1240 | return EFI_INVALID_PARAMETER;\r |
| 1241 | }\r |
| 1242 | \r |
| 1243 | if (Value1->Type == EFI_IFR_TYPE_STRING || Value2->Type == EFI_IFR_TYPE_STRING ) {\r |
| 1244 | if (Value1->Type != Value2->Type) {\r |
| 1245 | //\r |
| 1246 | // Both Operator should be type of String\r |
| 1247 | //\r |
| 1248 | return EFI_INVALID_PARAMETER;\r |
| 1249 | }\r |
| 1250 | \r |
| 1251 | if (Value1->Value.string == 0 || Value2->Value.string == 0) {\r |
| 1252 | //\r |
| 1253 | // StringId 0 is reserved\r |
| 1254 | //\r |
| 1255 | return EFI_INVALID_PARAMETER;\r |
| 1256 | }\r |
| 1257 | \r |
| 1258 | if (Value1->Value.string == Value2->Value.string) {\r |
| 1259 | return 0;\r |
| 1260 | }\r |
| 1261 | \r |
| 1262 | Str1 = GetToken (Value1->Value.string, HiiHandle);\r |
| 1263 | if (Str1 == NULL) {\r |
| 1264 | //\r |
| 1265 | // String not found\r |
| 1266 | //\r |
| 1267 | return EFI_INVALID_PARAMETER;\r |
| 1268 | }\r |
| 1269 | \r |
| 1270 | Str2 = GetToken (Value2->Value.string, HiiHandle);\r |
| 1271 | if (Str2 == NULL) {\r |
| f4113e1f |
1272 | FreePool (Str1);\r |
| 7936fb6a |
1273 | return EFI_INVALID_PARAMETER;\r |
| 1274 | }\r |
| 1275 | \r |
| 1276 | Result = StrCmp (Str1, Str2);\r |
| 1277 | \r |
| f4113e1f |
1278 | FreePool (Str1);\r |
| 1279 | FreePool (Str2);\r |
| 7936fb6a |
1280 | \r |
| 1281 | return Result;\r |
| 1282 | }\r |
| 1283 | \r |
| 1284 | //\r |
| 1285 | // Take remain types(integer, boolean, date/time) as integer\r |
| 1286 | //\r |
| 1287 | Temp64 = (INT64) (Value1->Value.u64 - Value2->Value.u64);\r |
| 1288 | if (Temp64 > 0) {\r |
| 1289 | Result = 1;\r |
| 1290 | } else if (Temp64 < 0) {\r |
| 1291 | Result = -1;\r |
| 1292 | } else {\r |
| 1293 | Result = 0;\r |
| 1294 | }\r |
| 1295 | \r |
| 1296 | return Result;\r |
| 1297 | }\r |
| 1298 | \r |
| cbf73e50 |
1299 | /**\r |
| 1300 | Check if current user has the privilege specified by the permissions GUID.\r |
| 1301 | \r |
| 1302 | @param[in] Guid A GUID specifying setup access permissions.\r |
| 1303 | \r |
| 1304 | @retval TRUE Current user has the privilege.\r |
| 1305 | @retval FALSE Current user does not have the privilege.\r |
| 1306 | **/\r |
| 1307 | BOOLEAN\r |
| 1308 | CheckUserPrivilege (\r |
| 1309 | IN EFI_GUID *Guid\r |
| 1310 | )\r |
| 1311 | {\r |
| 1312 | EFI_STATUS Status;\r |
| 1313 | EFI_USER_PROFILE_HANDLE UserProfileHandle;\r |
| 1314 | EFI_USER_INFO_HANDLE UserInfoHandle;\r |
| 1315 | EFI_USER_INFO *UserInfo;\r |
| 1316 | EFI_GUID *UserPermissionsGuid;\r |
| 1317 | UINTN UserInfoSize;\r |
| 1318 | UINTN AccessControlDataSize;\r |
| 1319 | EFI_USER_INFO_ACCESS_CONTROL *AccessControl;\r |
| 1320 | UINTN RemainSize;\r |
| 1321 | \r |
| 1322 | if (mUserManager == NULL) {\r |
| 1323 | Status = gBS->LocateProtocol (\r |
| 1324 | &gEfiUserManagerProtocolGuid,\r |
| 1325 | NULL,\r |
| 1326 | (VOID **) &mUserManager\r |
| 1327 | );\r |
| 1328 | if (EFI_ERROR (Status)) {\r |
| 1329 | ///\r |
| 1330 | /// If the system does not support user management, then it is assumed that\r |
| 1331 | /// all users have admin privilege and evaluation of each EFI_IFR_SECURITY\r |
| 1332 | /// op-code is always TRUE.\r |
| 1333 | ///\r |
| 1334 | return TRUE;\r |
| 1335 | }\r |
| 1336 | }\r |
| 1337 | \r |
| 1338 | Status = mUserManager->Current (mUserManager, &UserProfileHandle);\r |
| 1339 | ASSERT_EFI_ERROR (Status);\r |
| 1340 | \r |
| 1341 | ///\r |
| 1342 | /// Enumerate all user information of the current user profile\r |
| 1343 | /// to look for any EFI_USER_INFO_ACCESS_SETUP record.\r |
| 1344 | ///\r |
| 1345 | \r |
| 1346 | for (UserInfoHandle = NULL;;) {\r |
| 1347 | Status = mUserManager->GetNextInfo (mUserManager, UserProfileHandle, &UserInfoHandle);\r |
| 1348 | if (EFI_ERROR (Status)) {\r |
| 1349 | break;\r |
| 1350 | }\r |
| 1351 | \r |
| 1352 | UserInfoSize = 0;\r |
| 1353 | Status = mUserManager->GetInfo (mUserManager, UserProfileHandle, UserInfoHandle, NULL, &UserInfoSize);\r |
| 1354 | if (Status != EFI_BUFFER_TOO_SMALL) {\r |
| 1355 | continue;\r |
| 1356 | }\r |
| 1357 | \r |
| 1358 | UserInfo = (EFI_USER_INFO *) AllocatePool (UserInfoSize);\r |
| 1359 | if (UserInfo == NULL) {\r |
| 1360 | break;\r |
| 1361 | }\r |
| 1362 | \r |
| 1363 | Status = mUserManager->GetInfo (mUserManager, UserProfileHandle, UserInfoHandle, UserInfo, &UserInfoSize);\r |
| 1364 | if (EFI_ERROR (Status) ||\r |
| 1365 | UserInfo->InfoType != EFI_USER_INFO_ACCESS_POLICY_RECORD ||\r |
| 1366 | UserInfo->InfoSize <= sizeof (EFI_USER_INFO)) {\r |
| 1367 | FreePool (UserInfo);\r |
| 1368 | continue;\r |
| 1369 | }\r |
| 1370 | \r |
| 1371 | RemainSize = UserInfo->InfoSize - sizeof (EFI_USER_INFO);\r |
| 1372 | AccessControl = (EFI_USER_INFO_ACCESS_CONTROL *)(UserInfo + 1);\r |
| 1373 | while (RemainSize >= sizeof (EFI_USER_INFO_ACCESS_CONTROL)) {\r |
| 1374 | if (RemainSize < AccessControl->Size || AccessControl->Size <= sizeof (EFI_USER_INFO_ACCESS_CONTROL)) {\r |
| 1375 | break;\r |
| 1376 | }\r |
| 1377 | if (AccessControl->Type == EFI_USER_INFO_ACCESS_SETUP) {\r |
| 1378 | ///\r |
| 1379 | /// Check if current user has the privilege specified by the permissions GUID.\r |
| 1380 | ///\r |
| 1381 | \r |
| 1382 | UserPermissionsGuid = (EFI_GUID *)(AccessControl + 1);\r |
| 1383 | AccessControlDataSize = AccessControl->Size - sizeof (EFI_USER_INFO_ACCESS_CONTROL);\r |
| 1384 | while (AccessControlDataSize >= sizeof (EFI_GUID)) {\r |
| 1385 | if (CompareGuid (Guid, UserPermissionsGuid)) {\r |
| 1386 | FreePool (UserInfo);\r |
| 1387 | return TRUE;\r |
| 1388 | }\r |
| 1389 | UserPermissionsGuid++;\r |
| 1390 | AccessControlDataSize -= sizeof (EFI_GUID);\r |
| 1391 | }\r |
| 1392 | }\r |
| 1393 | RemainSize -= AccessControl->Size;\r |
| 1394 | AccessControl = (EFI_USER_INFO_ACCESS_CONTROL *)((UINT8 *)AccessControl + AccessControl->Size);\r |
| 1395 | }\r |
| 1396 | \r |
| 1397 | FreePool (UserInfo);\r |
| 1398 | }\r |
| 1399 | return FALSE;\r |
| 1400 | }\r |
| 7936fb6a |
1401 | \r |
| 1402 | /**\r |
| bc166db3 |
1403 | Evaluate the result of a HII expression.\r |
| 1404 | \r |
| 1405 | If Expression is NULL, then ASSERT.\r |
| 7936fb6a |
1406 | \r |
| 1407 | @param FormSet FormSet associated with this expression.\r |
| 1408 | @param Form Form associated with this expression.\r |
| 1409 | @param Expression Expression to be evaluated.\r |
| 1410 | \r |
| 1411 | @retval EFI_SUCCESS The expression evaluated successfuly\r |
| 1412 | @retval EFI_NOT_FOUND The Question which referenced by a QuestionId\r |
| 1413 | could not be found.\r |
| 1414 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r |
| 1415 | stack.\r |
| 1416 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r |
| 1417 | @retval EFI_INVALID_PARAMETER Syntax error with the Expression\r |
| 1418 | \r |
| 1419 | **/\r |
| 1420 | EFI_STATUS\r |
| 1421 | EvaluateExpression (\r |
| 1422 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 1423 | IN FORM_BROWSER_FORM *Form,\r |
| 1424 | IN OUT FORM_EXPRESSION *Expression\r |
| 1425 | )\r |
| 1426 | {\r |
| 1427 | EFI_STATUS Status;\r |
| 1428 | LIST_ENTRY *Link;\r |
| 1429 | EXPRESSION_OPCODE *OpCode;\r |
| 1430 | FORM_BROWSER_STATEMENT *Question;\r |
| 1431 | FORM_BROWSER_STATEMENT *Question2;\r |
| 1432 | UINT16 Index;\r |
| 1433 | EFI_HII_VALUE Data1;\r |
| 1434 | EFI_HII_VALUE Data2;\r |
| 1435 | EFI_HII_VALUE Data3;\r |
| 1436 | FORM_EXPRESSION *RuleExpression;\r |
| 1437 | EFI_HII_VALUE *Value;\r |
| 1438 | INTN Result;\r |
| 1439 | CHAR16 *StrPtr;\r |
| 1440 | UINT32 TempValue;\r |
| 1441 | \r |
| 1442 | //\r |
| 1443 | // Always reset the stack before evaluating an Expression\r |
| 1444 | //\r |
| 1445 | ResetExpressionStack ();\r |
| 1446 | \r |
| bc166db3 |
1447 | ASSERT (Expression != NULL);\r |
| 7936fb6a |
1448 | Expression->Result.Type = EFI_IFR_TYPE_OTHER;\r |
| 1449 | \r |
| 1450 | Link = GetFirstNode (&Expression->OpCodeListHead);\r |
| 1451 | while (!IsNull (&Expression->OpCodeListHead, Link)) {\r |
| 1452 | OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);\r |
| 1453 | \r |
| 1454 | Link = GetNextNode (&Expression->OpCodeListHead, Link);\r |
| 1455 | \r |
| 1456 | ZeroMem (&Data1, sizeof (EFI_HII_VALUE));\r |
| 1457 | ZeroMem (&Data2, sizeof (EFI_HII_VALUE));\r |
| 1458 | ZeroMem (&Data3, sizeof (EFI_HII_VALUE));\r |
| 1459 | \r |
| 1460 | Value = &Data3;\r |
| 1461 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
| 1462 | Status = EFI_SUCCESS;\r |
| 1463 | \r |
| 1464 | switch (OpCode->Operand) {\r |
| 1465 | //\r |
| 1466 | // Built-in functions\r |
| 1467 | //\r |
| 1468 | case EFI_IFR_EQ_ID_VAL_OP:\r |
| 1469 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r |
| 1470 | if (Question == NULL) {\r |
| 1471 | return EFI_NOT_FOUND;\r |
| 1472 | }\r |
| 1473 | \r |
| 1474 | Result = CompareHiiValue (&Question->HiiValue, &OpCode->Value, NULL);\r |
| 1475 | if (Result == EFI_INVALID_PARAMETER) {\r |
| 1476 | return EFI_INVALID_PARAMETER;\r |
| 1477 | }\r |
| 1478 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r |
| 1479 | break;\r |
| 1480 | \r |
| 1481 | case EFI_IFR_EQ_ID_ID_OP:\r |
| 1482 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r |
| 1483 | if (Question == NULL) {\r |
| 1484 | return EFI_NOT_FOUND;\r |
| 1485 | }\r |
| 1486 | \r |
| 1487 | Question2 = IdToQuestion (FormSet, Form, OpCode->QuestionId2);\r |
| 1488 | if (Question2 == NULL) {\r |
| 1489 | return EFI_NOT_FOUND;\r |
| 1490 | }\r |
| 1491 | \r |
| 1492 | Result = CompareHiiValue (&Question->HiiValue, &Question2->HiiValue, FormSet->HiiHandle);\r |
| 1493 | if (Result == EFI_INVALID_PARAMETER) {\r |
| 1494 | return EFI_INVALID_PARAMETER;\r |
| 1495 | }\r |
| 1496 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r |
| 1497 | break;\r |
| 1498 | \r |
| 1499 | case EFI_IFR_EQ_ID_LIST_OP:\r |
| 1500 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r |
| 1501 | if (Question == NULL) {\r |
| 1502 | return EFI_NOT_FOUND;\r |
| 1503 | }\r |
| 1504 | \r |
| 1505 | Value->Value.b = FALSE;\r |
| 1506 | for (Index =0; Index < OpCode->ListLength; Index++) {\r |
| 1507 | if (Question->HiiValue.Value.u16 == OpCode->ValueList[Index]) {\r |
| 1508 | Value->Value.b = TRUE;\r |
| 1509 | break;\r |
| 1510 | }\r |
| 1511 | }\r |
| 1512 | break;\r |
| 1513 | \r |
| 1514 | case EFI_IFR_DUP_OP:\r |
| 1515 | Status = PopExpression (Value);\r |
| 1516 | if (EFI_ERROR (Status)) {\r |
| 1517 | return Status;\r |
| 1518 | }\r |
| 1519 | \r |
| 1520 | Status = PushExpression (Value);\r |
| 1521 | break;\r |
| 1522 | \r |
| 1523 | case EFI_IFR_QUESTION_REF1_OP:\r |
| 1524 | case EFI_IFR_THIS_OP:\r |
| 1525 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r |
| 1526 | if (Question == NULL) {\r |
| 1527 | return EFI_NOT_FOUND;\r |
| 1528 | }\r |
| 1529 | \r |
| 1530 | Value = &Question->HiiValue;\r |
| 1531 | break;\r |
| 1532 | \r |
| cbf73e50 |
1533 | case EFI_IFR_SECURITY_OP:\r |
| 1534 | Value->Value.b = CheckUserPrivilege (&OpCode->Guid);\r |
| 1535 | break;\r |
| 1536 | \r |
| 7936fb6a |
1537 | case EFI_IFR_QUESTION_REF3_OP:\r |
| 1538 | if (OpCode->DevicePath == 0) {\r |
| 1539 | //\r |
| 1540 | // EFI_IFR_QUESTION_REF3\r |
| 1541 | // Pop an expression from the expression stack\r |
| 1542 | //\r |
| 1543 | Status = PopExpression (Value);\r |
| 1544 | if (EFI_ERROR (Status)) {\r |
| 1545 | return Status;\r |
| 1546 | }\r |
| 1547 | \r |
| 1548 | //\r |
| 1549 | // Validate the expression value\r |
| 1550 | //\r |
| 1551 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r |
| 1552 | return EFI_NOT_FOUND;\r |
| 1553 | }\r |
| 1554 | \r |
| 1555 | Question = IdToQuestion (FormSet, Form, Value->Value.u16);\r |
| 1556 | if (Question == NULL) {\r |
| 1557 | return EFI_NOT_FOUND;\r |
| 1558 | }\r |
| 1559 | \r |
| 1560 | //\r |
| 1561 | // push the questions' value on to the expression stack\r |
| 1562 | //\r |
| 1563 | Value = &Question->HiiValue;\r |
| 1564 | } else {\r |
| 1565 | //\r |
| 1566 | // BUGBUG: push 0 for EFI_IFR_QUESTION_REF3_2 and EFI_IFR_QUESTION_REF3_3,\r |
| 1567 | // since it is impractical to evaluate the value of a Question in another\r |
| 1568 | // Hii Package list.\r |
| 1569 | //\r |
| 1570 | ZeroMem (Value, sizeof (EFI_HII_VALUE));\r |
| 1571 | }\r |
| 1572 | break;\r |
| 1573 | \r |
| 1574 | case EFI_IFR_RULE_REF_OP:\r |
| 1575 | //\r |
| 1576 | // Find expression for this rule\r |
| 1577 | //\r |
| 1578 | RuleExpression = RuleIdToExpression (Form, OpCode->RuleId);\r |
| 1579 | if (RuleExpression == NULL) {\r |
| 1580 | return EFI_NOT_FOUND;\r |
| 1581 | }\r |
| 1582 | \r |
| 1583 | //\r |
| 1584 | // Evaluate this rule expression\r |
| 1585 | //\r |
| 1586 | Status = EvaluateExpression (FormSet, Form, RuleExpression);\r |
| 1587 | if (EFI_ERROR (Status)) {\r |
| 1588 | return Status;\r |
| 1589 | }\r |
| 1590 | \r |
| 1591 | Value = &RuleExpression->Result;\r |
| 1592 | break;\r |
| 1593 | \r |
| 1594 | case EFI_IFR_STRING_REF1_OP:\r |
| 1595 | Value->Type = EFI_IFR_TYPE_STRING;\r |
| 1596 | Value->Value.string = OpCode->Value.Value.string;\r |
| 1597 | break;\r |
| 1598 | \r |
| 1599 | //\r |
| 1600 | // Constant\r |
| 1601 | //\r |
| 1602 | case EFI_IFR_TRUE_OP:\r |
| 1603 | case EFI_IFR_FALSE_OP:\r |
| 1604 | case EFI_IFR_ONE_OP:\r |
| 1605 | case EFI_IFR_ONES_OP:\r |
| 1606 | case EFI_IFR_UINT8_OP:\r |
| 1607 | case EFI_IFR_UINT16_OP:\r |
| 1608 | case EFI_IFR_UINT32_OP:\r |
| 1609 | case EFI_IFR_UINT64_OP:\r |
| 1610 | case EFI_IFR_UNDEFINED_OP:\r |
| 1611 | case EFI_IFR_VERSION_OP:\r |
| 1612 | case EFI_IFR_ZERO_OP:\r |
| 1613 | Value = &OpCode->Value;\r |
| 1614 | break;\r |
| 1615 | \r |
| 1616 | //\r |
| 1617 | // unary-op\r |
| 1618 | //\r |
| 1619 | case EFI_IFR_LENGTH_OP:\r |
| 1620 | Status = PopExpression (Value);\r |
| 1621 | if (EFI_ERROR (Status)) {\r |
| 1622 | return Status;\r |
| 1623 | }\r |
| 1624 | if (Value->Type != EFI_IFR_TYPE_STRING) {\r |
| 1625 | return EFI_INVALID_PARAMETER;\r |
| 1626 | }\r |
| 1627 | \r |
| 1628 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r |
| 1629 | if (StrPtr == NULL) {\r |
| 1630 | return EFI_INVALID_PARAMETER;\r |
| 1631 | }\r |
| 1632 | \r |
| 1633 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 1634 | Value->Value.u64 = StrLen (StrPtr);\r |
| f4113e1f |
1635 | FreePool (StrPtr);\r |
| 7936fb6a |
1636 | break;\r |
| 1637 | \r |
| 1638 | case EFI_IFR_NOT_OP:\r |
| 1639 | Status = PopExpression (Value);\r |
| 1640 | if (EFI_ERROR (Status)) {\r |
| 1641 | return Status;\r |
| 1642 | }\r |
| 1643 | if (Value->Type != EFI_IFR_TYPE_BOOLEAN) {\r |
| 1644 | return EFI_INVALID_PARAMETER;\r |
| 1645 | }\r |
| 1646 | Value->Value.b = (BOOLEAN) (!Value->Value.b);\r |
| 1647 | break;\r |
| 1648 | \r |
| 1649 | case EFI_IFR_QUESTION_REF2_OP:\r |
| 1650 | //\r |
| 1651 | // Pop an expression from the expression stack\r |
| 1652 | //\r |
| 1653 | Status = PopExpression (Value);\r |
| 1654 | if (EFI_ERROR (Status)) {\r |
| 1655 | return Status;\r |
| 1656 | }\r |
| 1657 | \r |
| 1658 | //\r |
| 1659 | // Validate the expression value\r |
| 1660 | //\r |
| 1661 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r |
| 1662 | return EFI_NOT_FOUND;\r |
| 1663 | }\r |
| 1664 | \r |
| 1665 | Question = IdToQuestion (FormSet, Form, Value->Value.u16);\r |
| 1666 | if (Question == NULL) {\r |
| 1667 | return EFI_NOT_FOUND;\r |
| 1668 | }\r |
| 1669 | \r |
| 1670 | Value = &Question->HiiValue;\r |
| 1671 | break;\r |
| 1672 | \r |
| 1673 | case EFI_IFR_STRING_REF2_OP:\r |
| 1674 | //\r |
| 1675 | // Pop an expression from the expression stack\r |
| 1676 | //\r |
| 1677 | Status = PopExpression (Value);\r |
| 1678 | if (EFI_ERROR (Status)) {\r |
| 1679 | return Status;\r |
| 1680 | }\r |
| 1681 | \r |
| 1682 | //\r |
| 1683 | // Validate the expression value\r |
| 1684 | //\r |
| 1685 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r |
| 1686 | return EFI_NOT_FOUND;\r |
| 1687 | }\r |
| 1688 | \r |
| 1689 | Value->Type = EFI_IFR_TYPE_STRING;\r |
| 1690 | StrPtr = GetToken (Value->Value.u16, FormSet->HiiHandle);\r |
| 1691 | if (StrPtr == NULL) {\r |
| 1692 | //\r |
| 1693 | // If String not exit, push an empty string\r |
| 1694 | //\r |
| 1695 | Value->Value.string = NewString (gEmptyString, FormSet->HiiHandle);\r |
| 1696 | } else {\r |
| 1697 | Index = (UINT16) Value->Value.u64;\r |
| 1698 | Value->Value.string = Index;\r |
| f4113e1f |
1699 | FreePool (StrPtr);\r |
| 7936fb6a |
1700 | }\r |
| 1701 | break;\r |
| 1702 | \r |
| 1703 | case EFI_IFR_TO_BOOLEAN_OP:\r |
| 1704 | //\r |
| 1705 | // Pop an expression from the expression stack\r |
| 1706 | //\r |
| 1707 | Status = PopExpression (Value);\r |
| 1708 | if (EFI_ERROR (Status)) {\r |
| 1709 | return Status;\r |
| 1710 | }\r |
| 1711 | \r |
| 1712 | //\r |
| 1713 | // Convert an expression to a Boolean\r |
| 1714 | //\r |
| 1715 | if (Value->Type <= EFI_IFR_TYPE_DATE) {\r |
| 1716 | //\r |
| 1717 | // When converting from an unsigned integer, zero will be converted to\r |
| 1718 | // FALSE and any other value will be converted to TRUE.\r |
| 1719 | //\r |
| 1720 | Value->Value.b = (BOOLEAN) ((Value->Value.u64) ? TRUE : FALSE);\r |
| 1721 | \r |
| 1722 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
| 1723 | } else if (Value->Type == EFI_IFR_TYPE_STRING) {\r |
| 1724 | //\r |
| 1725 | // When converting from a string, if case-insensitive compare\r |
| 1726 | // with "true" is True, then push True. If a case-insensitive compare\r |
| 1727 | // with "false" is True, then push False.\r |
| 1728 | //\r |
| 1729 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r |
| 1730 | if (StrPtr == NULL) {\r |
| 1731 | return EFI_INVALID_PARAMETER;\r |
| 1732 | }\r |
| 1733 | \r |
| 1734 | if ((StrCmp (StrPtr, L"true") == 0) || (StrCmp (StrPtr, L"false") == 0)){\r |
| 1735 | Value->Value.b = TRUE;\r |
| 1736 | } else {\r |
| 1737 | Value->Value.b = FALSE;\r |
| 1738 | }\r |
| f4113e1f |
1739 | FreePool (StrPtr);\r |
| 7936fb6a |
1740 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
| 1741 | }\r |
| 1742 | break;\r |
| 1743 | \r |
| 1744 | case EFI_IFR_TO_STRING_OP:\r |
| 1745 | Status = IfrToString (FormSet, OpCode->Format, Value);\r |
| 1746 | break;\r |
| 1747 | \r |
| 1748 | case EFI_IFR_TO_UINT_OP:\r |
| 1749 | Status = IfrToUint (FormSet, Value);\r |
| 1750 | break;\r |
| 1751 | \r |
| 1752 | case EFI_IFR_TO_LOWER_OP:\r |
| 1753 | case EFI_IFR_TO_UPPER_OP:\r |
| 1754 | Status = InitializeUnicodeCollationProtocol ();\r |
| 1755 | if (EFI_ERROR (Status)) {\r |
| 1756 | return Status;\r |
| 1757 | }\r |
| 1758 | \r |
| 1759 | Status = PopExpression (Value);\r |
| 1760 | if (EFI_ERROR (Status)) {\r |
| 1761 | return Status;\r |
| 1762 | }\r |
| 1763 | \r |
| 1764 | if (Value->Type != EFI_IFR_TYPE_STRING) {\r |
| 1765 | return EFI_UNSUPPORTED;\r |
| 1766 | }\r |
| 1767 | \r |
| 1768 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r |
| 1769 | if (StrPtr == NULL) {\r |
| 1770 | return EFI_NOT_FOUND;\r |
| 1771 | }\r |
| 1772 | \r |
| 1773 | if (OpCode->Operand == EFI_IFR_TO_LOWER_OP) {\r |
| 1774 | mUnicodeCollation->StrLwr (mUnicodeCollation, StrPtr);\r |
| 1775 | } else {\r |
| 1776 | mUnicodeCollation->StrUpr (mUnicodeCollation, StrPtr);\r |
| 1777 | }\r |
| 1778 | Value->Value.string = NewString (StrPtr, FormSet->HiiHandle);\r |
| f4113e1f |
1779 | FreePool (StrPtr);\r |
| 7936fb6a |
1780 | break;\r |
| 1781 | \r |
| 1782 | case EFI_IFR_BITWISE_NOT_OP:\r |
| 1783 | //\r |
| 1784 | // Pop an expression from the expression stack\r |
| 1785 | //\r |
| 1786 | Status = PopExpression (Value);\r |
| 1787 | if (EFI_ERROR (Status)) {\r |
| 1788 | return Status;\r |
| 1789 | }\r |
| 1790 | if (Value->Type > EFI_IFR_TYPE_DATE) {\r |
| 1791 | return EFI_INVALID_PARAMETER;\r |
| 1792 | }\r |
| 1793 | \r |
| 1794 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 1795 | Value->Value.u64 = ~Value->Value.u64;\r |
| 1796 | break;\r |
| 1797 | \r |
| 1798 | //\r |
| 1799 | // binary-op\r |
| 1800 | //\r |
| 1801 | case EFI_IFR_ADD_OP:\r |
| 1802 | case EFI_IFR_SUBTRACT_OP:\r |
| 1803 | case EFI_IFR_MULTIPLY_OP:\r |
| 1804 | case EFI_IFR_DIVIDE_OP:\r |
| 1805 | case EFI_IFR_MODULO_OP:\r |
| 1806 | case EFI_IFR_BITWISE_AND_OP:\r |
| 1807 | case EFI_IFR_BITWISE_OR_OP:\r |
| 1808 | case EFI_IFR_SHIFT_LEFT_OP:\r |
| 1809 | case EFI_IFR_SHIFT_RIGHT_OP:\r |
| 1810 | //\r |
| 1811 | // Pop an expression from the expression stack\r |
| 1812 | //\r |
| 1813 | Status = PopExpression (&Data2);\r |
| 1814 | if (EFI_ERROR (Status)) {\r |
| 1815 | return Status;\r |
| 1816 | }\r |
| 1817 | if (Data2.Type > EFI_IFR_TYPE_DATE) {\r |
| 1818 | return EFI_INVALID_PARAMETER;\r |
| 1819 | }\r |
| 1820 | \r |
| 1821 | //\r |
| 1822 | // Pop another expression from the expression stack\r |
| 1823 | //\r |
| 1824 | Status = PopExpression (&Data1);\r |
| 1825 | if (EFI_ERROR (Status)) {\r |
| 1826 | return Status;\r |
| 1827 | }\r |
| 1828 | if (Data1.Type > EFI_IFR_TYPE_DATE) {\r |
| 1829 | return EFI_INVALID_PARAMETER;\r |
| 1830 | }\r |
| 1831 | \r |
| 1832 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 1833 | \r |
| 1834 | switch (OpCode->Operand) {\r |
| 1835 | case EFI_IFR_ADD_OP:\r |
| 1836 | Value->Value.u64 = Data1.Value.u64 + Data2.Value.u64;\r |
| 1837 | break;\r |
| 1838 | \r |
| 1839 | case EFI_IFR_SUBTRACT_OP:\r |
| 1840 | Value->Value.u64 = Data1.Value.u64 - Data2.Value.u64;\r |
| 1841 | break;\r |
| 1842 | \r |
| 1843 | case EFI_IFR_MULTIPLY_OP:\r |
| 1844 | Value->Value.u64 = MultU64x32 (Data1.Value.u64, (UINT32) Data2.Value.u64);\r |
| 1845 | break;\r |
| 1846 | \r |
| 1847 | case EFI_IFR_DIVIDE_OP:\r |
| 1848 | Value->Value.u64 = DivU64x32 (Data1.Value.u64, (UINT32) Data2.Value.u64);\r |
| 1849 | break;\r |
| 1850 | \r |
| 1851 | case EFI_IFR_MODULO_OP:\r |
| 1852 | DivU64x32Remainder (Data1.Value.u64, (UINT32) Data2.Value.u64, &TempValue);\r |
| 1853 | Value->Value.u64 = TempValue;\r |
| 1854 | break;\r |
| 1855 | \r |
| 1856 | case EFI_IFR_BITWISE_AND_OP:\r |
| 1857 | Value->Value.u64 = Data1.Value.u64 & Data2.Value.u64;\r |
| 1858 | break;\r |
| 1859 | \r |
| 1860 | case EFI_IFR_BITWISE_OR_OP:\r |
| 1861 | Value->Value.u64 = Data1.Value.u64 | Data2.Value.u64;\r |
| 1862 | break;\r |
| 1863 | \r |
| 1864 | case EFI_IFR_SHIFT_LEFT_OP:\r |
| 1865 | Value->Value.u64 = LShiftU64 (Data1.Value.u64, (UINTN) Data2.Value.u64);\r |
| 1866 | break;\r |
| 1867 | \r |
| 1868 | case EFI_IFR_SHIFT_RIGHT_OP:\r |
| 1869 | Value->Value.u64 = RShiftU64 (Data1.Value.u64, (UINTN) Data2.Value.u64);\r |
| 1870 | break;\r |
| 1871 | \r |
| 1872 | default:\r |
| 1873 | break;\r |
| 1874 | }\r |
| 1875 | break;\r |
| 1876 | \r |
| 1877 | case EFI_IFR_AND_OP:\r |
| 1878 | case EFI_IFR_OR_OP:\r |
| 1879 | //\r |
| 1880 | // Two Boolean operator\r |
| 1881 | //\r |
| 1882 | Status = PopExpression (&Data2);\r |
| 1883 | if (EFI_ERROR (Status)) {\r |
| 1884 | return Status;\r |
| 1885 | }\r |
| 1886 | if (Data2.Type != EFI_IFR_TYPE_BOOLEAN) {\r |
| 1887 | return EFI_INVALID_PARAMETER;\r |
| 1888 | }\r |
| 1889 | \r |
| 1890 | //\r |
| 1891 | // Pop another expression from the expression stack\r |
| 1892 | //\r |
| 1893 | Status = PopExpression (&Data1);\r |
| 1894 | if (EFI_ERROR (Status)) {\r |
| 1895 | return Status;\r |
| 1896 | }\r |
| 1897 | if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {\r |
| 1898 | return EFI_INVALID_PARAMETER;\r |
| 1899 | }\r |
| 1900 | \r |
| 1901 | if (OpCode->Operand == EFI_IFR_AND_OP) {\r |
| 1902 | Value->Value.b = (BOOLEAN) (Data1.Value.b && Data2.Value.b);\r |
| 1903 | } else {\r |
| 1904 | Value->Value.b = (BOOLEAN) (Data1.Value.b || Data2.Value.b);\r |
| 1905 | }\r |
| 1906 | break;\r |
| 1907 | \r |
| 1908 | case EFI_IFR_EQUAL_OP:\r |
| 1909 | case EFI_IFR_NOT_EQUAL_OP:\r |
| 1910 | case EFI_IFR_GREATER_EQUAL_OP:\r |
| 1911 | case EFI_IFR_GREATER_THAN_OP:\r |
| 1912 | case EFI_IFR_LESS_EQUAL_OP:\r |
| 1913 | case EFI_IFR_LESS_THAN_OP:\r |
| 1914 | //\r |
| 1915 | // Compare two integer, string, boolean or date/time\r |
| 1916 | //\r |
| 1917 | Status = PopExpression (&Data2);\r |
| 1918 | if (EFI_ERROR (Status)) {\r |
| 1919 | return Status;\r |
| 1920 | }\r |
| 1921 | if (Data2.Type > EFI_IFR_TYPE_BOOLEAN && Data2.Type != EFI_IFR_TYPE_STRING) {\r |
| 1922 | return EFI_INVALID_PARAMETER;\r |
| 1923 | }\r |
| 1924 | \r |
| 1925 | //\r |
| 1926 | // Pop another expression from the expression stack\r |
| 1927 | //\r |
| 1928 | Status = PopExpression (&Data1);\r |
| 1929 | if (EFI_ERROR (Status)) {\r |
| 1930 | return Status;\r |
| 1931 | }\r |
| 1932 | \r |
| 1933 | Result = CompareHiiValue (&Data1, &Data2, FormSet->HiiHandle);\r |
| 1934 | if (Result == EFI_INVALID_PARAMETER) {\r |
| 1935 | return EFI_INVALID_PARAMETER;\r |
| 1936 | }\r |
| 1937 | \r |
| 1938 | switch (OpCode->Operand) {\r |
| 1939 | case EFI_IFR_EQUAL_OP:\r |
| 1940 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r |
| 1941 | break;\r |
| 1942 | \r |
| 1943 | case EFI_IFR_NOT_EQUAL_OP:\r |
| 1944 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r |
| 1945 | break;\r |
| 1946 | \r |
| 1947 | case EFI_IFR_GREATER_EQUAL_OP:\r |
| 1948 | Value->Value.b = (BOOLEAN) ((Result >= 0) ? TRUE : FALSE);\r |
| 1949 | break;\r |
| 1950 | \r |
| 1951 | case EFI_IFR_GREATER_THAN_OP:\r |
| 1952 | Value->Value.b = (BOOLEAN) ((Result > 0) ? TRUE : FALSE);\r |
| 1953 | break;\r |
| 1954 | \r |
| 1955 | case EFI_IFR_LESS_EQUAL_OP:\r |
| 1956 | Value->Value.b = (BOOLEAN) ((Result <= 0) ? TRUE : FALSE);\r |
| 1957 | break;\r |
| 1958 | \r |
| 1959 | case EFI_IFR_LESS_THAN_OP:\r |
| 1960 | Value->Value.b = (BOOLEAN) ((Result < 0) ? TRUE : FALSE);\r |
| 1961 | break;\r |
| 1962 | \r |
| 1963 | default:\r |
| 1964 | break;\r |
| 1965 | }\r |
| 1966 | break;\r |
| 1967 | \r |
| 1968 | case EFI_IFR_MATCH_OP:\r |
| 1969 | Status = IfrMatch (FormSet, Value);\r |
| 1970 | break;\r |
| 1971 | \r |
| 1972 | case EFI_IFR_CATENATE_OP:\r |
| 1973 | Status = IfrCatenate (FormSet, Value);\r |
| 1974 | break;\r |
| 1975 | \r |
| 1976 | //\r |
| 1977 | // ternary-op\r |
| 1978 | //\r |
| 1979 | case EFI_IFR_CONDITIONAL_OP:\r |
| 1980 | //\r |
| 1981 | // Pop third expression from the expression stack\r |
| 1982 | //\r |
| 1983 | Status = PopExpression (&Data3);\r |
| 1984 | if (EFI_ERROR (Status)) {\r |
| 1985 | return Status;\r |
| 1986 | }\r |
| 1987 | \r |
| 1988 | //\r |
| 1989 | // Pop second expression from the expression stack\r |
| 1990 | //\r |
| 1991 | Status = PopExpression (&Data2);\r |
| 1992 | if (EFI_ERROR (Status)) {\r |
| 1993 | return Status;\r |
| 1994 | }\r |
| 1995 | \r |
| 1996 | //\r |
| 1997 | // Pop first expression from the expression stack\r |
| 1998 | //\r |
| 1999 | Status = PopExpression (&Data1);\r |
| 2000 | if (EFI_ERROR (Status)) {\r |
| 2001 | return Status;\r |
| 2002 | }\r |
| 2003 | if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {\r |
| 2004 | return EFI_INVALID_PARAMETER;\r |
| 2005 | }\r |
| 2006 | \r |
| 2007 | if (Data1.Value.b) {\r |
| 2008 | Value = &Data3;\r |
| 2009 | } else {\r |
| 2010 | Value = &Data2;\r |
| 2011 | }\r |
| 2012 | break;\r |
| 2013 | \r |
| 2014 | case EFI_IFR_FIND_OP:\r |
| 2015 | Status = IfrFind (FormSet, OpCode->Format, Value);\r |
| 2016 | break;\r |
| 2017 | \r |
| 2018 | case EFI_IFR_MID_OP:\r |
| 2019 | Status = IfrMid (FormSet, Value);\r |
| 2020 | break;\r |
| 2021 | \r |
| 2022 | case EFI_IFR_TOKEN_OP:\r |
| 2023 | Status = IfrToken (FormSet, Value);\r |
| 2024 | break;\r |
| 2025 | \r |
| 2026 | case EFI_IFR_SPAN_OP:\r |
| 2027 | Status = IfrSpan (FormSet, OpCode->Flags, Value);\r |
| 2028 | break;\r |
| 2029 | \r |
| 2030 | default:\r |
| 2031 | break;\r |
| 2032 | }\r |
| 2033 | if (EFI_ERROR (Status)) {\r |
| 2034 | return Status;\r |
| 2035 | }\r |
| 2036 | \r |
| 2037 | Status = PushExpression (Value);\r |
| 2038 | if (EFI_ERROR (Status)) {\r |
| 2039 | return Status;\r |
| 2040 | }\r |
| 2041 | }\r |
| 2042 | \r |
| 2043 | //\r |
| 2044 | // Pop the final result from expression stack\r |
| 2045 | //\r |
| 2046 | Value = &Data1;\r |
| 2047 | Status = PopExpression (Value);\r |
| 2048 | if (EFI_ERROR (Status)) {\r |
| 2049 | return Status;\r |
| 2050 | }\r |
| 2051 | \r |
| 2052 | //\r |
| 2053 | // After evaluating an expression, there should be only one value left on the expression stack\r |
| 2054 | //\r |
| 2055 | if (PopExpression (Value) != EFI_ACCESS_DENIED) {\r |
| 2056 | return EFI_INVALID_PARAMETER;\r |
| 2057 | }\r |
| 2058 | \r |
| 2059 | CopyMem (&Expression->Result, Value, sizeof (EFI_HII_VALUE));\r |
| 2060 | \r |
| 2061 | return EFI_SUCCESS;\r |
| 2062 | }\r |
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