| 59336178 |
1 | /** @file\r |
| 2 | \r |
| 3 | Copyright (c) 2007, Intel Corporation\r |
| 4 | All rights reserved. This program and the accompanying materials\r |
| 5 | are licensed and made available under the terms and conditions of the BSD License\r |
| 6 | which accompanies this distribution. The full text of the license may be found at\r |
| 7 | http://opensource.org/licenses/bsd-license.php\r |
| 8 | \r |
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 11 | \r |
| 12 | Module Name:\r |
| 13 | \r |
| 14 | Expression.c\r |
| 15 | \r |
| 16 | Abstract:\r |
| 17 | \r |
| 18 | Expression evaluation.\r |
| 19 | \r |
| 20 | \r |
| 21 | **/\r |
| 22 | #include <PiDxe.h>\r |
| 23 | #include <Library/BaseLib.h>\r |
| 24 | #include <Library/BaseMemoryLib.h>\r |
| 25 | #include <Library/DebugLib.h>\r |
| 26 | #include <Library/MemoryAllocationLib.h>\r |
| 27 | #include <Library/PrintLib.h>\r |
| 28 | #include <Library/UefiBootServicesTableLib.h>\r |
| 29 | #include <Protocol/UnicodeCollation.h>\r |
| 30 | \r |
| 31 | #include "UefiIfrParser.h"\r |
| 32 | #include "UefiIfrParserExpressionInternal.h"\r |
| 33 | #include "UefiIfrParserCommon.h"\r |
| 59336178 |
34 | \r |
| 35 | //\r |
| 36 | // Global stack used to evaluate boolean expresions\r |
| 37 | //\r |
| 38 | EFI_HII_VALUE *mOpCodeScopeStack = NULL;\r |
| 39 | EFI_HII_VALUE *mOpCodeScopeStackEnd = NULL;\r |
| 40 | EFI_HII_VALUE *mOpCodeScopeStackPointer = NULL;\r |
| 41 | \r |
| 42 | EFI_HII_VALUE *mExpressionEvaluationStack = NULL;\r |
| 43 | EFI_HII_VALUE *mExpressionEvaluationStackEnd = NULL;\r |
| 44 | EFI_HII_VALUE *mExpressionEvaluationStackPointer = NULL;\r |
| 45 | \r |
| 46 | //\r |
| 47 | // Unicode collation protocol interface\r |
| 48 | //\r |
| 49 | EFI_UNICODE_COLLATION_PROTOCOL *mUnicodeCollation = NULL;\r |
| 50 | \r |
| 51 | \r |
| 52 | /**\r |
| 53 | Grow size of the stack\r |
| 54 | \r |
| 55 | @param Stack On input: old stack; On output: new stack\r |
| 56 | @param StackPtr On input: old stack pointer; On output: new stack\r |
| 57 | pointer\r |
| 58 | @param StackPtr On input: old stack end; On output: new stack end\r |
| 59 | \r |
| 60 | @retval EFI_SUCCESS Grow stack success.\r |
| 61 | @retval EFI_OUT_OF_RESOURCES No enough memory for stack space.\r |
| 62 | \r |
| 63 | **/\r |
| 64 | STATIC\r |
| 65 | EFI_STATUS\r |
| 66 | GrowStack (\r |
| 67 | IN OUT EFI_HII_VALUE **Stack,\r |
| 68 | IN OUT EFI_HII_VALUE **StackPtr,\r |
| 69 | IN OUT EFI_HII_VALUE **StackEnd\r |
| 70 | )\r |
| 71 | {\r |
| 72 | UINTN Size;\r |
| 73 | EFI_HII_VALUE *NewStack;\r |
| 74 | \r |
| 75 | Size = EXPRESSION_STACK_SIZE_INCREMENT;\r |
| 76 | if (*StackPtr != NULL) {\r |
| 77 | Size = Size + (*StackEnd - *Stack);\r |
| 78 | }\r |
| 79 | \r |
| 80 | NewStack = AllocatePool (Size * sizeof (EFI_HII_VALUE));\r |
| 81 | if (NewStack == NULL) {\r |
| 82 | return EFI_OUT_OF_RESOURCES;\r |
| 83 | }\r |
| 84 | \r |
| 85 | if (*StackPtr != NULL) {\r |
| 86 | //\r |
| 87 | // Copy from Old Stack to the New Stack\r |
| 88 | //\r |
| 89 | CopyMem (\r |
| 90 | NewStack,\r |
| 91 | *Stack,\r |
| 92 | (*StackEnd - *Stack) * sizeof (EFI_HII_VALUE)\r |
| 93 | );\r |
| 94 | \r |
| 95 | //\r |
| 96 | // Free The Old Stack\r |
| 97 | //\r |
| 98 | gBS->FreePool (*Stack);\r |
| 99 | }\r |
| 100 | \r |
| 101 | //\r |
| 102 | // Make the Stack pointer point to the old data in the new stack\r |
| 103 | //\r |
| 104 | *StackPtr = NewStack + (*StackPtr - *Stack);\r |
| 105 | *Stack = NewStack;\r |
| 106 | *StackEnd = NewStack + Size;\r |
| 107 | \r |
| 108 | return EFI_SUCCESS;\r |
| 109 | }\r |
| 110 | \r |
| 111 | \r |
| 112 | /**\r |
| 113 | Push an element onto the Boolean Stack\r |
| 114 | \r |
| 115 | @param Stack On input: old stack; On output: new stack\r |
| 116 | @param StackPtr On input: old stack pointer; On output: new stack\r |
| 117 | pointer\r |
| 118 | @param StackPtr On input: old stack end; On output: new stack end\r |
| 119 | @param Data Data to push.\r |
| 120 | \r |
| 121 | @retval EFI_SUCCESS Push stack success.\r |
| 122 | \r |
| 123 | **/\r |
| 124 | EFI_STATUS\r |
| 125 | PushStack (\r |
| 126 | IN OUT EFI_HII_VALUE **Stack,\r |
| 127 | IN OUT EFI_HII_VALUE **StackPtr,\r |
| 128 | IN OUT EFI_HII_VALUE **StackEnd,\r |
| 129 | IN EFI_HII_VALUE *Data\r |
| 130 | )\r |
| 131 | {\r |
| 132 | EFI_STATUS Status;\r |
| 133 | \r |
| 134 | //\r |
| 135 | // Check for a stack overflow condition\r |
| 136 | //\r |
| 137 | if (*StackPtr >= *StackEnd) {\r |
| 138 | //\r |
| 139 | // Grow the stack\r |
| 140 | //\r |
| 141 | Status = GrowStack (Stack, StackPtr, StackEnd);\r |
| 142 | if (EFI_ERROR (Status)) {\r |
| 143 | return Status;\r |
| 144 | }\r |
| 145 | }\r |
| 146 | \r |
| 147 | //\r |
| 148 | // Push the item onto the stack\r |
| 149 | //\r |
| 150 | CopyMem (*StackPtr, Data, sizeof (EFI_HII_VALUE));\r |
| 151 | *StackPtr = *StackPtr + 1;\r |
| 152 | \r |
| 153 | return EFI_SUCCESS;\r |
| 154 | }\r |
| 155 | \r |
| 156 | \r |
| 157 | /**\r |
| 158 | Pop an element from the stack.\r |
| 159 | \r |
| 160 | @param Stack On input: old stack; On output: new stack\r |
| 161 | @param StackPtr On input: old stack pointer; On output: new stack\r |
| 162 | pointer\r |
| 163 | @param StackPtr On input: old stack end; On output: new stack end\r |
| 164 | @param Data Data to pop.\r |
| 165 | \r |
| 166 | @retval EFI_SUCCESS The value was popped onto the stack.\r |
| 167 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r |
| 168 | \r |
| 169 | **/\r |
| 170 | EFI_STATUS\r |
| 171 | PopStack (\r |
| 172 | IN OUT EFI_HII_VALUE **Stack,\r |
| 173 | IN OUT EFI_HII_VALUE **StackPtr,\r |
| 174 | IN OUT EFI_HII_VALUE **StackEnd,\r |
| 175 | OUT EFI_HII_VALUE *Data\r |
| 176 | )\r |
| 177 | {\r |
| 178 | //\r |
| 179 | // Check for a stack underflow condition\r |
| 180 | //\r |
| 181 | if (*StackPtr == *Stack) {\r |
| 182 | return EFI_ACCESS_DENIED;\r |
| 183 | }\r |
| 184 | \r |
| 185 | //\r |
| 186 | // Pop the item off the stack\r |
| 187 | //\r |
| 188 | *StackPtr = *StackPtr - 1;\r |
| 189 | CopyMem (Data, *StackPtr, sizeof (EFI_HII_VALUE));\r |
| 190 | return EFI_SUCCESS;\r |
| 191 | }\r |
| 192 | \r |
| 193 | \r |
| 194 | /**\r |
| 195 | Reset stack pointer to begin of the stack.\r |
| 196 | \r |
| 197 | None.\r |
| 198 | \r |
| 199 | @return None.\r |
| 200 | \r |
| 201 | **/\r |
| 202 | VOID\r |
| 203 | ResetScopeStack (\r |
| 204 | VOID\r |
| 205 | )\r |
| 206 | {\r |
| 207 | mOpCodeScopeStackPointer = mOpCodeScopeStack;\r |
| 208 | }\r |
| 209 | \r |
| 210 | \r |
| 211 | /**\r |
| 212 | Push an Operand onto the Stack\r |
| 213 | \r |
| 214 | @param Operand Operand to push.\r |
| 215 | \r |
| 216 | @retval EFI_SUCCESS The value was pushed onto the stack.\r |
| 217 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r |
| 218 | stack.\r |
| 219 | \r |
| 220 | **/\r |
| 221 | EFI_STATUS\r |
| 222 | PushScope (\r |
| 223 | IN UINT8 Operand\r |
| 224 | )\r |
| 225 | {\r |
| 226 | EFI_HII_VALUE Data;\r |
| 227 | \r |
| 228 | Data.Type = EFI_IFR_TYPE_NUM_SIZE_8;\r |
| 229 | Data.Value.u8 = Operand;\r |
| 230 | \r |
| 231 | return PushStack (\r |
| 232 | &mOpCodeScopeStack,\r |
| 233 | &mOpCodeScopeStackPointer,\r |
| 234 | &mOpCodeScopeStackEnd,\r |
| 235 | &Data\r |
| 236 | );\r |
| 237 | }\r |
| 238 | \r |
| 239 | \r |
| 240 | /**\r |
| 241 | Pop an Operand from the Stack\r |
| 242 | \r |
| 243 | @param Operand Operand to pop.\r |
| 244 | \r |
| 245 | @retval EFI_SUCCESS The value was pushed onto the stack.\r |
| 246 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r |
| 247 | stack.\r |
| 248 | \r |
| 249 | **/\r |
| 250 | EFI_STATUS\r |
| 251 | PopScope (\r |
| 252 | OUT UINT8 *Operand\r |
| 253 | )\r |
| 254 | {\r |
| 255 | EFI_STATUS Status;\r |
| 256 | EFI_HII_VALUE Data;\r |
| 257 | \r |
| 258 | Status = PopStack (\r |
| 259 | &mOpCodeScopeStack,\r |
| 260 | &mOpCodeScopeStackPointer,\r |
| 261 | &mOpCodeScopeStackEnd,\r |
| 262 | &Data\r |
| 263 | );\r |
| 264 | \r |
| 265 | *Operand = Data.Value.u8;\r |
| 266 | \r |
| 267 | return Status;\r |
| 268 | }\r |
| 269 | \r |
| 270 | \r |
| 271 | /**\r |
| 272 | Reset stack pointer to begin of the stack.\r |
| 273 | \r |
| 274 | None.\r |
| 275 | \r |
| 276 | @return None.\r |
| 277 | \r |
| 278 | **/\r |
| 279 | VOID\r |
| 280 | ResetExpressionStack (\r |
| 281 | VOID\r |
| 282 | )\r |
| 283 | {\r |
| 284 | mExpressionEvaluationStackPointer = mExpressionEvaluationStack;\r |
| 285 | }\r |
| 286 | \r |
| 287 | \r |
| 288 | /**\r |
| 289 | Push an Expression value onto the Stack\r |
| 290 | \r |
| 291 | @param Value Expression value to push.\r |
| 292 | \r |
| 293 | @retval EFI_SUCCESS The value was pushed onto the stack.\r |
| 294 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r |
| 295 | stack.\r |
| 296 | \r |
| 297 | **/\r |
| 298 | EFI_STATUS\r |
| 299 | PushExpression (\r |
| 300 | IN EFI_HII_VALUE *Value\r |
| 301 | )\r |
| 302 | {\r |
| 303 | return PushStack (\r |
| 304 | &mExpressionEvaluationStack,\r |
| 305 | &mExpressionEvaluationStackPointer,\r |
| 306 | &mExpressionEvaluationStackEnd,\r |
| 307 | Value\r |
| 308 | );\r |
| 309 | }\r |
| 310 | \r |
| 311 | \r |
| 312 | /**\r |
| 313 | Pop an Expression value from the stack.\r |
| 314 | \r |
| 315 | @param Value Expression value to pop.\r |
| 316 | \r |
| 317 | @retval EFI_SUCCESS The value was popped onto the stack.\r |
| 318 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r |
| 319 | \r |
| 320 | **/\r |
| 321 | EFI_STATUS\r |
| 322 | PopExpression (\r |
| 323 | OUT EFI_HII_VALUE *Value\r |
| 324 | )\r |
| 325 | {\r |
| 326 | return PopStack (\r |
| 327 | &mExpressionEvaluationStack,\r |
| 328 | &mExpressionEvaluationStackPointer,\r |
| 329 | &mExpressionEvaluationStackEnd,\r |
| 330 | Value\r |
| 331 | );\r |
| 332 | }\r |
| 333 | \r |
| 334 | \r |
| 335 | /**\r |
| 336 | Get Form given its FormId.\r |
| 337 | \r |
| 338 | @param FormSet The formset which contains this form.\r |
| 339 | @param FormId Id of this form.\r |
| 340 | \r |
| 341 | @retval Pointer The form.\r |
| 342 | @retval NULL Specified Form is not found in the formset.\r |
| 343 | \r |
| 344 | **/\r |
| 345 | FORM_BROWSER_FORM *\r |
| 346 | IdToForm (\r |
| 347 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 348 | IN UINT16 FormId\r |
| 349 | )\r |
| 350 | {\r |
| 351 | LIST_ENTRY *Link;\r |
| 352 | FORM_BROWSER_FORM *Form;\r |
| 353 | \r |
| 354 | Link = GetFirstNode (&FormSet->FormListHead);\r |
| 355 | while (!IsNull (&FormSet->FormListHead, Link)) {\r |
| 356 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r |
| 357 | \r |
| 358 | if (Form->FormId == FormId) {\r |
| 359 | return Form;\r |
| 360 | }\r |
| 361 | \r |
| 362 | Link = GetNextNode (&FormSet->FormListHead, Link);\r |
| 363 | }\r |
| 364 | \r |
| 365 | return NULL;\r |
| 366 | }\r |
| 367 | \r |
| 368 | \r |
| 369 | /**\r |
| 370 | Search a Question in Form scope using its QuestionId.\r |
| 371 | \r |
| 372 | @param Form The form which contains this Question.\r |
| 373 | @param QuestionId Id of this Question.\r |
| 374 | \r |
| 375 | @retval Pointer The Question.\r |
| 376 | @retval NULL Specified Question not found in the form.\r |
| 377 | \r |
| 378 | **/\r |
| 379 | FORM_BROWSER_STATEMENT *\r |
| 380 | IdToQuestion2 (\r |
| 381 | IN FORM_BROWSER_FORM *Form,\r |
| 382 | IN UINT16 QuestionId\r |
| 383 | )\r |
| 384 | {\r |
| 385 | LIST_ENTRY *Link;\r |
| 386 | FORM_BROWSER_STATEMENT *Question;\r |
| 387 | \r |
| 388 | if (QuestionId == 0) {\r |
| 389 | //\r |
| 390 | // The value of zero is reserved\r |
| 391 | //\r |
| 392 | return NULL;\r |
| 393 | }\r |
| 394 | \r |
| 395 | Link = GetFirstNode (&Form->StatementListHead);\r |
| 396 | while (!IsNull (&Form->StatementListHead, Link)) {\r |
| 397 | Question = FORM_BROWSER_STATEMENT_FROM_LINK (Link);\r |
| 398 | \r |
| 399 | if (Question->QuestionId == QuestionId) {\r |
| 400 | return Question;\r |
| 401 | }\r |
| 402 | \r |
| 403 | Link = GetNextNode (&Form->StatementListHead, Link);\r |
| 404 | }\r |
| 405 | \r |
| 406 | return NULL;\r |
| 407 | }\r |
| 408 | \r |
| 409 | \r |
| 410 | /**\r |
| 411 | Search a Question in Formset scope using its QuestionId.\r |
| 412 | \r |
| 413 | @param FormSet The formset which contains this form.\r |
| 414 | @param Form The form which contains this Question.\r |
| 415 | @param QuestionId Id of this Question.\r |
| 416 | \r |
| 417 | @retval Pointer The Question.\r |
| 418 | @retval NULL Specified Question not found in the form.\r |
| 419 | \r |
| 420 | **/\r |
| 421 | FORM_BROWSER_STATEMENT *\r |
| 422 | IdToQuestion (\r |
| 423 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 424 | IN FORM_BROWSER_FORM *Form,\r |
| 425 | IN UINT16 QuestionId\r |
| 426 | )\r |
| 427 | {\r |
| 428 | LIST_ENTRY *Link;\r |
| 429 | FORM_BROWSER_STATEMENT *Question;\r |
| 430 | \r |
| 431 | //\r |
| 432 | // Search in the form scope first\r |
| 433 | //\r |
| 434 | Question = IdToQuestion2 (Form, QuestionId);\r |
| 435 | if (Question != NULL) {\r |
| 436 | return Question;\r |
| 437 | }\r |
| 438 | \r |
| 439 | //\r |
| 440 | // Search in the formset scope\r |
| 441 | //\r |
| 442 | Link = GetFirstNode (&FormSet->FormListHead);\r |
| 443 | while (!IsNull (&FormSet->FormListHead, Link)) {\r |
| 444 | Form = FORM_BROWSER_FORM_FROM_LINK (Link);\r |
| 445 | \r |
| 446 | Question = IdToQuestion2 (Form, QuestionId);\r |
| 447 | if (Question != NULL) {\r |
| 448 | return Question;\r |
| 449 | }\r |
| 450 | \r |
| 451 | Link = GetNextNode (&FormSet->FormListHead, Link);\r |
| 452 | }\r |
| 453 | \r |
| 454 | return NULL;\r |
| 455 | }\r |
| 456 | \r |
| 457 | \r |
| 458 | /**\r |
| 459 | Get Expression given its RuleId.\r |
| 460 | \r |
| 461 | @param Form The form which contains this Expression.\r |
| 462 | @param RuleId Id of this Expression.\r |
| 463 | \r |
| 464 | @retval Pointer The Expression.\r |
| 465 | @retval NULL Specified Expression not found in the form.\r |
| 466 | \r |
| 467 | **/\r |
| 468 | FORM_EXPRESSION *\r |
| 469 | RuleIdToExpression (\r |
| 470 | IN FORM_BROWSER_FORM *Form,\r |
| 471 | IN UINT8 RuleId\r |
| 472 | )\r |
| 473 | {\r |
| 474 | LIST_ENTRY *Link;\r |
| 475 | FORM_EXPRESSION *Expression;\r |
| 476 | \r |
| 477 | Link = GetFirstNode (&Form->ExpressionListHead);\r |
| 478 | while (!IsNull (&Form->ExpressionListHead, Link)) {\r |
| 479 | Expression = FORM_EXPRESSION_FROM_LINK (Link);\r |
| 480 | \r |
| 481 | if (Expression->Type == EFI_HII_EXPRESSION_RULE && Expression->RuleId == RuleId) {\r |
| 482 | return Expression;\r |
| 483 | }\r |
| 484 | \r |
| 485 | Link = GetNextNode (&Form->ExpressionListHead, Link);\r |
| 486 | }\r |
| 487 | \r |
| 488 | return NULL;\r |
| 489 | }\r |
| 490 | \r |
| 491 | \r |
| 492 | /**\r |
| 493 | Locate the Unicode Collation Protocol interface for later use.\r |
| 494 | \r |
| 495 | None.\r |
| 496 | \r |
| 497 | @retval EFI_SUCCESS Protocol interface initialize success.\r |
| 498 | @retval Other Protocol interface initialize failed.\r |
| 499 | \r |
| 500 | **/\r |
| 501 | EFI_STATUS\r |
| 502 | InitializeUnicodeCollationProtocol (\r |
| 503 | VOID\r |
| 504 | )\r |
| 505 | {\r |
| 506 | EFI_STATUS Status;\r |
| 507 | \r |
| 508 | if (mUnicodeCollation != NULL) {\r |
| 509 | return EFI_SUCCESS;\r |
| 510 | }\r |
| 511 | \r |
| 512 | //\r |
| 513 | // BUGBUG: Proper impelmentation is to locate all Unicode Collation Protocol\r |
| 514 | // instances first and then select one which support English language.\r |
| 515 | // Current implementation just pick the first instance.\r |
| 516 | //\r |
| 517 | Status = gBS->LocateProtocol (\r |
| 518 | &gEfiUnicodeCollation2ProtocolGuid,\r |
| 519 | NULL,\r |
| 520 | (VOID **) &mUnicodeCollation\r |
| 521 | );\r |
| 522 | return Status;\r |
| 523 | }\r |
| 524 | \r |
| 525 | VOID\r |
| 526 | IfrStrToUpper (\r |
| 527 | CHAR16 *String\r |
| 528 | )\r |
| 529 | {\r |
| 530 | while (*String != 0) {\r |
| 531 | if ((*String >= 'a') && (*String <= 'z')) {\r |
| 532 | *String = (UINT16) ((*String) & ((UINT16) ~0x20));\r |
| 533 | }\r |
| 534 | String++;\r |
| 535 | }\r |
| 536 | }\r |
| 537 | \r |
| 538 | \r |
| 539 | /**\r |
| 540 | Evaluate opcode EFI_IFR_TO_STRING.\r |
| 541 | \r |
| 542 | @param FormSet Formset which contains this opcode.\r |
| 543 | @param Format String format in EFI_IFR_TO_STRING.\r |
| 544 | @param Result Evaluation result for this opcode.\r |
| 545 | \r |
| 546 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 547 | @retval Other Opcode evaluation failed.\r |
| 548 | \r |
| 549 | **/\r |
| 550 | EFI_STATUS\r |
| 551 | IfrToString (\r |
| 552 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 553 | IN UINT8 Format,\r |
| 554 | OUT EFI_HII_VALUE *Result\r |
| 555 | )\r |
| 556 | {\r |
| 557 | EFI_STATUS Status;\r |
| 558 | EFI_HII_VALUE Value;\r |
| 559 | CHAR16 *String;\r |
| 560 | CHAR16 *PrintFormat;\r |
| 561 | CHAR16 Buffer[MAXIMUM_VALUE_CHARACTERS];\r |
| 562 | UINTN BufferSize;\r |
| 563 | \r |
| 564 | Status = PopExpression (&Value);\r |
| 565 | if (EFI_ERROR (Status)) {\r |
| 566 | return Status;\r |
| 567 | }\r |
| 568 | \r |
| 569 | switch (Value.Type) {\r |
| 570 | case EFI_IFR_TYPE_NUM_SIZE_8:\r |
| 571 | case EFI_IFR_TYPE_NUM_SIZE_16:\r |
| 572 | case EFI_IFR_TYPE_NUM_SIZE_32:\r |
| 573 | case EFI_IFR_TYPE_NUM_SIZE_64:\r |
| 574 | BufferSize = MAXIMUM_VALUE_CHARACTERS * sizeof (CHAR16);\r |
| 575 | switch (Format) {\r |
| 576 | case EFI_IFR_STRING_UNSIGNED_DEC:\r |
| 577 | case EFI_IFR_STRING_SIGNED_DEC:\r |
| 578 | PrintFormat = L"%ld";\r |
| 579 | break;\r |
| 580 | \r |
| 581 | case EFI_IFR_STRING_LOWERCASE_HEX:\r |
| 582 | PrintFormat = L"%lx";\r |
| 583 | break;\r |
| 584 | \r |
| 585 | case EFI_IFR_STRING_UPPERCASE_HEX:\r |
| 586 | PrintFormat = L"%lX";\r |
| 587 | break;\r |
| 588 | \r |
| 589 | default:\r |
| 590 | return EFI_UNSUPPORTED;\r |
| 591 | }\r |
| 592 | UnicodeSPrint (Buffer, BufferSize, PrintFormat, Value.Value.u64);\r |
| 593 | String = Buffer;\r |
| 594 | break;\r |
| 595 | \r |
| 596 | case EFI_IFR_TYPE_STRING:\r |
| 597 | CopyMem (Result, &Value, sizeof (EFI_HII_VALUE));\r |
| 598 | return EFI_SUCCESS;\r |
| 599 | \r |
| 600 | case EFI_IFR_TYPE_BOOLEAN:\r |
| 601 | String = (Value.Value.b) ? L"True" : L"False";\r |
| 602 | break;\r |
| 603 | \r |
| 604 | default:\r |
| 605 | return EFI_UNSUPPORTED;\r |
| 606 | }\r |
| 607 | \r |
| 608 | Result->Type = EFI_IFR_TYPE_STRING;\r |
| 609 | Result->Value.string = NewString (String, FormSet->HiiHandle);\r |
| 610 | return EFI_SUCCESS;\r |
| 611 | }\r |
| 612 | \r |
| 613 | \r |
| 614 | /**\r |
| 615 | Evaluate opcode EFI_IFR_TO_UINT.\r |
| 616 | \r |
| 617 | @param FormSet Formset which contains this opcode.\r |
| 618 | @param Result Evaluation result for this opcode.\r |
| 619 | \r |
| 620 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 621 | @retval Other Opcode evaluation failed.\r |
| 622 | \r |
| 623 | **/\r |
| 624 | EFI_STATUS\r |
| 625 | IfrToUint (\r |
| 626 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 627 | OUT EFI_HII_VALUE *Result\r |
| 628 | )\r |
| 629 | {\r |
| 630 | EFI_STATUS Status;\r |
| 631 | EFI_HII_VALUE Value;\r |
| 632 | CHAR16 *String;\r |
| 633 | CHAR16 *StringPtr;\r |
| 634 | UINTN BufferSize;\r |
| 635 | \r |
| 636 | Status = PopExpression (&Value);\r |
| 637 | if (EFI_ERROR (Status)) {\r |
| 638 | return Status;\r |
| 639 | }\r |
| 640 | \r |
| 641 | if (Value.Type >= EFI_IFR_TYPE_OTHER) {\r |
| 642 | return EFI_UNSUPPORTED;\r |
| 643 | }\r |
| 644 | \r |
| 645 | Status = EFI_SUCCESS;\r |
| 646 | if (Value.Type == EFI_IFR_TYPE_STRING) {\r |
| 647 | String = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| 648 | if (String == NULL) {\r |
| 649 | return EFI_NOT_FOUND;\r |
| 650 | }\r |
| 651 | \r |
| 652 | IfrStrToUpper (String);\r |
| 653 | StringPtr = StrStr (String, L"0X");\r |
| 654 | if (StringPtr != NULL) {\r |
| 655 | //\r |
| 656 | // Hex string\r |
| 657 | //\r |
| 658 | BufferSize = sizeof (UINT64);\r |
| 1668bd49 |
659 | Status = HexStringToBuf ((UINT8 *) &Result->Value.u64, &BufferSize, StringPtr + 2, NULL);\r |
| 59336178 |
660 | } else {\r |
| 661 | //\r |
| 662 | // BUGBUG: Need handle decimal string\r |
| 663 | //\r |
| 664 | }\r |
| 665 | gBS->FreePool (String);\r |
| 666 | } else {\r |
| 667 | CopyMem (Result, &Value, sizeof (EFI_HII_VALUE));\r |
| 668 | }\r |
| 669 | \r |
| 670 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 671 | return Status;\r |
| 672 | }\r |
| 673 | \r |
| 674 | \r |
| 675 | /**\r |
| 676 | Evaluate opcode EFI_IFR_CATENATE.\r |
| 677 | \r |
| 678 | @param FormSet Formset which contains this opcode.\r |
| 679 | @param Result Evaluation result for this opcode.\r |
| 680 | \r |
| 681 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 682 | @retval Other Opcode evaluation failed.\r |
| 683 | \r |
| 684 | **/\r |
| 685 | EFI_STATUS\r |
| 686 | IfrCatenate (\r |
| 687 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 688 | OUT EFI_HII_VALUE *Result\r |
| 689 | )\r |
| 690 | {\r |
| 691 | EFI_STATUS Status;\r |
| 692 | EFI_HII_VALUE Value;\r |
| 693 | CHAR16 *String[2];\r |
| 694 | UINTN Index;\r |
| 695 | CHAR16 *StringPtr;\r |
| 696 | UINTN Size;\r |
| 697 | \r |
| 698 | //\r |
| 699 | // String[0] - The second string\r |
| 700 | // String[1] - The first string\r |
| 701 | //\r |
| 702 | String[0] = NULL;\r |
| 703 | String[1] = NULL;\r |
| 704 | StringPtr = NULL;\r |
| 705 | Status = EFI_SUCCESS;\r |
| 706 | \r |
| 707 | for (Index = 0; Index < 2; Index++) {\r |
| 708 | Status = PopExpression (&Value);\r |
| 709 | if (EFI_ERROR (Status)) {\r |
| 710 | goto Done;\r |
| 711 | }\r |
| 712 | \r |
| 713 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 714 | Status = EFI_UNSUPPORTED;\r |
| 715 | goto Done;\r |
| 716 | }\r |
| 717 | \r |
| 718 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| 719 | if (String== NULL) {\r |
| 720 | Status = EFI_NOT_FOUND;\r |
| 721 | goto Done;\r |
| 722 | }\r |
| 723 | }\r |
| 724 | \r |
| 725 | Size = StrSize (String[0]);\r |
| 726 | StringPtr= AllocatePool (StrSize (String[1]) + Size);\r |
| 727 | ASSERT (StringPtr != NULL);\r |
| 728 | StrCpy (StringPtr, String[1]);\r |
| 729 | StrCat (StringPtr, String[0]);\r |
| 730 | \r |
| 731 | Result->Type = EFI_IFR_TYPE_STRING;\r |
| 732 | Result->Value.string = NewString (StringPtr, FormSet->HiiHandle);\r |
| 733 | \r |
| 734 | Done:\r |
| 7001eaf8 |
735 | if (String[0] != NULL) {\r |
| 736 | FreePool (String[0]);\r |
| 737 | }\r |
| 738 | if (String[1] != NULL) {\r |
| 739 | FreePool (String[1]);\r |
| 740 | } \r |
| 741 | if (StringPtr != NULL) {\r |
| 742 | FreePool (StringPtr);\r |
| 743 | }\r |
| 59336178 |
744 | \r |
| 745 | return Status;\r |
| 746 | }\r |
| 747 | \r |
| 748 | \r |
| 749 | /**\r |
| 750 | Evaluate opcode EFI_IFR_MATCH.\r |
| 751 | \r |
| 752 | @param FormSet Formset which contains this opcode.\r |
| 753 | @param Result Evaluation result for this opcode.\r |
| 754 | \r |
| 755 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 756 | @retval Other Opcode evaluation failed.\r |
| 757 | \r |
| 758 | **/\r |
| 759 | EFI_STATUS\r |
| 760 | IfrMatch (\r |
| 761 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 762 | OUT EFI_HII_VALUE *Result\r |
| 763 | )\r |
| 764 | {\r |
| 765 | EFI_STATUS Status;\r |
| 766 | EFI_HII_VALUE Value;\r |
| 767 | CHAR16 *String[2];\r |
| 768 | UINTN Index;\r |
| 769 | \r |
| 770 | //\r |
| 771 | // String[0] - The string to search\r |
| 772 | // String[1] - pattern\r |
| 773 | //\r |
| 774 | String[0] = NULL;\r |
| 775 | String[1] = NULL;\r |
| 776 | Status = EFI_SUCCESS;\r |
| 777 | for (Index = 0; Index < 2; Index++) {\r |
| 778 | Status = PopExpression (&Value);\r |
| 779 | if (EFI_ERROR (Status)) {\r |
| 780 | goto Done;\r |
| 781 | }\r |
| 782 | \r |
| 783 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 784 | Status = EFI_UNSUPPORTED;\r |
| 785 | goto Done;\r |
| 786 | }\r |
| 787 | \r |
| 788 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| 789 | if (String== NULL) {\r |
| 790 | Status = EFI_NOT_FOUND;\r |
| 791 | goto Done;\r |
| 792 | }\r |
| 793 | }\r |
| 794 | \r |
| 795 | Result->Type = EFI_IFR_TYPE_BOOLEAN;\r |
| 796 | Result->Value.b = mUnicodeCollation->MetaiMatch (mUnicodeCollation, String[0], String[1]);\r |
| 797 | \r |
| 798 | Done:\r |
| 7001eaf8 |
799 | if (String[0] != NULL) {\r |
| 800 | FreePool (String[0]);\r |
| 801 | }\r |
| 802 | if (String[1] != NULL) {\r |
| 803 | FreePool (String[1]);\r |
| 804 | } \r |
| 59336178 |
805 | \r |
| 806 | return Status;\r |
| 807 | }\r |
| 808 | \r |
| 809 | \r |
| 810 | /**\r |
| 811 | Evaluate opcode EFI_IFR_FIND.\r |
| 812 | \r |
| 813 | @param FormSet Formset which contains this opcode.\r |
| 814 | @param Format Case sensitive or insensitive.\r |
| 815 | @param Result Evaluation result for this opcode.\r |
| 816 | \r |
| 817 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 818 | @retval Other Opcode evaluation failed.\r |
| 819 | \r |
| 820 | **/\r |
| 821 | EFI_STATUS\r |
| 822 | IfrFind (\r |
| 823 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 824 | IN UINT8 Format,\r |
| 825 | OUT EFI_HII_VALUE *Result\r |
| 826 | )\r |
| 827 | {\r |
| 828 | EFI_STATUS Status;\r |
| 829 | EFI_HII_VALUE Value;\r |
| 830 | CHAR16 *String[2];\r |
| 831 | UINTN Base;\r |
| 832 | CHAR16 *StringPtr;\r |
| 833 | UINTN Index;\r |
| 834 | \r |
| 835 | if (Format > EFI_IFR_FF_CASE_INSENSITIVE) {\r |
| 836 | return EFI_UNSUPPORTED;\r |
| 837 | }\r |
| 838 | \r |
| 839 | Status = PopExpression (&Value);\r |
| 840 | if (EFI_ERROR (Status)) {\r |
| 841 | return Status;\r |
| 842 | }\r |
| 843 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r |
| 844 | return EFI_UNSUPPORTED;\r |
| 845 | }\r |
| 846 | Base = (UINTN) Value.Value.u64;\r |
| 847 | \r |
| 848 | //\r |
| 849 | // String[0] - sub-string\r |
| 850 | // String[1] - The string to search\r |
| 851 | //\r |
| 852 | String[0] = NULL;\r |
| 853 | String[1] = NULL;\r |
| 854 | for (Index = 0; Index < 2; Index++) {\r |
| 855 | Status = PopExpression (&Value);\r |
| 856 | if (EFI_ERROR (Status)) {\r |
| 857 | goto Done;\r |
| 858 | }\r |
| 859 | \r |
| 860 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 861 | Status = EFI_UNSUPPORTED;\r |
| 862 | goto Done;\r |
| 863 | }\r |
| 864 | \r |
| 865 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| 866 | if (String== NULL) {\r |
| 867 | Status = EFI_NOT_FOUND;\r |
| 868 | goto Done;\r |
| 869 | }\r |
| 870 | \r |
| 871 | if (Format == EFI_IFR_FF_CASE_INSENSITIVE) {\r |
| 872 | //\r |
| 873 | // Case insensitive, convert both string to upper case\r |
| 874 | //\r |
| 875 | IfrStrToUpper (String[Index]);\r |
| 876 | }\r |
| 877 | }\r |
| 878 | \r |
| 879 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 880 | if (Base >= StrLen (String[1])) {\r |
| 881 | Result->Value.u64 = 0xFFFFFFFFFFFFFFFFULL;\r |
| 882 | } else {\r |
| 883 | StringPtr = StrStr (String[1] + Base, String[0]);\r |
| 884 | Result->Value.u64 = (StringPtr == NULL) ? 0xFFFFFFFFFFFFFFFFULL : (StringPtr - String[1]);\r |
| 885 | }\r |
| 886 | \r |
| 887 | Done:\r |
| 7001eaf8 |
888 | if (String[0] != NULL) {\r |
| 889 | FreePool (String[0]);\r |
| 890 | }\r |
| 891 | if (String[1] != NULL) {\r |
| 892 | FreePool (String[1]);\r |
| 893 | } \r |
| 59336178 |
894 | \r |
| 895 | return Status;\r |
| 896 | }\r |
| 897 | \r |
| 898 | \r |
| 899 | /**\r |
| 900 | Evaluate opcode EFI_IFR_MID.\r |
| 901 | \r |
| 902 | @param FormSet Formset which contains this opcode.\r |
| 903 | @param Result Evaluation result for this opcode.\r |
| 904 | \r |
| 905 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 906 | @retval Other Opcode evaluation failed.\r |
| 907 | \r |
| 908 | **/\r |
| 909 | EFI_STATUS\r |
| 910 | IfrMid (\r |
| 911 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 912 | OUT EFI_HII_VALUE *Result\r |
| 913 | )\r |
| 914 | {\r |
| 915 | EFI_STATUS Status;\r |
| 916 | EFI_HII_VALUE Value;\r |
| 917 | CHAR16 *String;\r |
| 918 | UINTN Base;\r |
| 919 | UINTN Length;\r |
| 920 | CHAR16 *SubString;\r |
| 921 | \r |
| 922 | Status = PopExpression (&Value);\r |
| 923 | if (EFI_ERROR (Status)) {\r |
| 924 | return Status;\r |
| 925 | }\r |
| 926 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r |
| 927 | return EFI_UNSUPPORTED;\r |
| 928 | }\r |
| 929 | Length = (UINTN) Value.Value.u64;\r |
| 930 | \r |
| 931 | Status = PopExpression (&Value);\r |
| 932 | if (EFI_ERROR (Status)) {\r |
| 933 | return Status;\r |
| 934 | }\r |
| 935 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r |
| 936 | return EFI_UNSUPPORTED;\r |
| 937 | }\r |
| 938 | Base = (UINTN) Value.Value.u64;\r |
| 939 | \r |
| 940 | Status = PopExpression (&Value);\r |
| 941 | if (EFI_ERROR (Status)) {\r |
| 942 | return Status;\r |
| 943 | }\r |
| 944 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 945 | return EFI_UNSUPPORTED;\r |
| 946 | }\r |
| 947 | String = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| 948 | if (String == NULL) {\r |
| 949 | return EFI_NOT_FOUND;\r |
| 950 | }\r |
| 951 | \r |
| 952 | if (Length == 0 || Base >= StrLen (String)) {\r |
| 953 | SubString = gEmptyString;\r |
| 954 | } else {\r |
| 955 | SubString = String + Base;\r |
| 956 | if ((Base + Length) < StrLen (String)) {\r |
| 957 | SubString[Length] = L'\0';\r |
| 958 | }\r |
| 959 | }\r |
| 960 | \r |
| 961 | Result->Type = EFI_IFR_TYPE_STRING;\r |
| 962 | Result->Value.string = NewString (SubString, FormSet->HiiHandle);\r |
| 963 | \r |
| 964 | gBS->FreePool (String);\r |
| 965 | \r |
| 966 | return Status;\r |
| 967 | }\r |
| 968 | \r |
| 969 | \r |
| 970 | /**\r |
| 971 | Evaluate opcode EFI_IFR_TOKEN.\r |
| 972 | \r |
| 973 | @param FormSet Formset which contains this opcode.\r |
| 974 | @param Result Evaluation result for this opcode.\r |
| 975 | \r |
| 976 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 977 | @retval Other Opcode evaluation failed.\r |
| 978 | \r |
| 979 | **/\r |
| 980 | EFI_STATUS\r |
| 981 | IfrToken (\r |
| 982 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 983 | OUT EFI_HII_VALUE *Result\r |
| 984 | )\r |
| 985 | {\r |
| 986 | EFI_STATUS Status;\r |
| 987 | EFI_HII_VALUE Value;\r |
| 988 | CHAR16 *String[2];\r |
| 989 | UINTN Count;\r |
| 990 | CHAR16 *Delimiter;\r |
| 991 | CHAR16 *SubString;\r |
| 992 | CHAR16 *StringPtr;\r |
| 993 | UINTN Index;\r |
| 994 | \r |
| 995 | Status = PopExpression (&Value);\r |
| 996 | if (EFI_ERROR (Status)) {\r |
| 997 | return Status;\r |
| 998 | }\r |
| 999 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r |
| 1000 | return EFI_UNSUPPORTED;\r |
| 1001 | }\r |
| 1002 | Count = (UINTN) Value.Value.u64;\r |
| 1003 | \r |
| 1004 | //\r |
| 1005 | // String[0] - Delimiter\r |
| 1006 | // String[1] - The string to search\r |
| 1007 | //\r |
| 1008 | String[0] = NULL;\r |
| 1009 | String[1] = NULL;\r |
| 1010 | for (Index = 0; Index < 2; Index++) {\r |
| 1011 | Status = PopExpression (&Value);\r |
| 1012 | if (EFI_ERROR (Status)) {\r |
| 1013 | goto Done;\r |
| 1014 | }\r |
| 1015 | \r |
| 1016 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 1017 | Status = EFI_UNSUPPORTED;\r |
| 1018 | goto Done;\r |
| 1019 | }\r |
| 1020 | \r |
| 1021 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| 1022 | if (String== NULL) {\r |
| 1023 | Status = EFI_NOT_FOUND;\r |
| 1024 | goto Done;\r |
| 1025 | }\r |
| 1026 | }\r |
| 1027 | \r |
| 1028 | Delimiter = String[0];\r |
| 1029 | SubString = String[1];\r |
| 1030 | while (Count > 0) {\r |
| 1031 | SubString = StrStr (SubString, Delimiter);\r |
| 1032 | if (SubString != NULL) {\r |
| 1033 | //\r |
| 1034 | // Skip over the delimiter\r |
| 1035 | //\r |
| 1036 | SubString = SubString + StrLen (Delimiter);\r |
| 1037 | } else {\r |
| 1038 | break;\r |
| 1039 | }\r |
| 1040 | Count--;\r |
| 1041 | }\r |
| 1042 | \r |
| 1043 | if (SubString == NULL) {\r |
| 1044 | //\r |
| 1045 | // nth delimited sub-string not found, push an empty string\r |
| 1046 | //\r |
| 1047 | SubString = gEmptyString;\r |
| 1048 | } else {\r |
| 1049 | //\r |
| 1050 | // Put a NULL terminator for nth delimited sub-string\r |
| 1051 | //\r |
| 1052 | StringPtr = StrStr (SubString, Delimiter);\r |
| 1053 | if (StringPtr != NULL) {\r |
| 1054 | *StringPtr = L'\0';\r |
| 1055 | }\r |
| 1056 | }\r |
| 1057 | \r |
| 1058 | Result->Type = EFI_IFR_TYPE_STRING;\r |
| 1059 | Result->Value.string = NewString (SubString, FormSet->HiiHandle);\r |
| 1060 | \r |
| 1061 | Done:\r |
| 7001eaf8 |
1062 | if (String[0] != NULL) {\r |
| 1063 | FreePool (String[0]);\r |
| 1064 | }\r |
| 1065 | if (String[1] != NULL) {\r |
| 1066 | FreePool (String[1]);\r |
| 1067 | } \r |
| 59336178 |
1068 | \r |
| 1069 | return Status;\r |
| 1070 | }\r |
| 1071 | \r |
| 1072 | \r |
| 1073 | /**\r |
| 1074 | Evaluate opcode EFI_IFR_SPAN.\r |
| 1075 | \r |
| 1076 | @param FormSet Formset which contains this opcode.\r |
| 1077 | @param Flags FIRST_MATCHING or FIRST_NON_MATCHING.\r |
| 1078 | @param Result Evaluation result for this opcode.\r |
| 1079 | \r |
| 1080 | @retval EFI_SUCCESS Opcode evaluation success.\r |
| 1081 | @retval Other Opcode evaluation failed.\r |
| 1082 | \r |
| 1083 | **/\r |
| 1084 | EFI_STATUS\r |
| 1085 | IfrSpan (\r |
| 1086 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 1087 | IN UINT8 Flags,\r |
| 1088 | OUT EFI_HII_VALUE *Result\r |
| 1089 | )\r |
| 1090 | {\r |
| 1091 | EFI_STATUS Status;\r |
| 1092 | EFI_HII_VALUE Value;\r |
| 1093 | CHAR16 *String[2];\r |
| 1094 | CHAR16 *Charset;\r |
| 1095 | UINTN Base;\r |
| 1096 | UINTN Index;\r |
| 1097 | CHAR16 *StringPtr;\r |
| 1098 | BOOLEAN Found;\r |
| 1099 | \r |
| 1100 | Status = PopExpression (&Value);\r |
| 1101 | if (EFI_ERROR (Status)) {\r |
| 1102 | return Status;\r |
| 1103 | }\r |
| 1104 | if (Value.Type > EFI_IFR_TYPE_NUM_SIZE_64) {\r |
| 1105 | return EFI_UNSUPPORTED;\r |
| 1106 | }\r |
| 1107 | Base = (UINTN) Value.Value.u64;\r |
| 1108 | \r |
| 1109 | //\r |
| 1110 | // String[0] - Charset\r |
| 1111 | // String[1] - The string to search\r |
| 1112 | //\r |
| 1113 | String[0] = NULL;\r |
| 1114 | String[1] = NULL;\r |
| 1115 | for (Index = 0; Index < 2; Index++) {\r |
| 1116 | Status = PopExpression (&Value);\r |
| 1117 | if (EFI_ERROR (Status)) {\r |
| 1118 | goto Done;\r |
| 1119 | }\r |
| 1120 | \r |
| 1121 | if (Value.Type != EFI_IFR_TYPE_STRING) {\r |
| 1122 | Status = EFI_UNSUPPORTED;\r |
| 1123 | goto Done;\r |
| 1124 | }\r |
| 1125 | \r |
| 1126 | String[Index] = GetToken (Value.Value.string, FormSet->HiiHandle);\r |
| 1127 | if (String== NULL) {\r |
| 1128 | Status = EFI_NOT_FOUND;\r |
| 1129 | goto Done;\r |
| 1130 | }\r |
| 1131 | }\r |
| 1132 | \r |
| 1133 | if (Base >= StrLen (String[1])) {\r |
| 1134 | Status = EFI_UNSUPPORTED;\r |
| 1135 | goto Done;\r |
| 1136 | }\r |
| 1137 | \r |
| 1138 | Found = FALSE;\r |
| 1139 | StringPtr = String[1] + Base;\r |
| 1140 | Charset = String[0];\r |
| 1141 | while (*StringPtr != 0 && !Found) {\r |
| 1142 | Index = 0;\r |
| 1143 | while (Charset[Index] != 0) {\r |
| 1144 | if (*StringPtr >= Charset[Index] && *StringPtr <= Charset[Index + 1]) {\r |
| 1145 | if (Flags == EFI_IFR_FLAGS_FIRST_MATCHING) {\r |
| 1146 | Found = TRUE;\r |
| 1147 | break;\r |
| 1148 | }\r |
| 1149 | } else {\r |
| 1150 | if (Flags == EFI_IFR_FLAGS_FIRST_NON_MATCHING) {\r |
| 1151 | Found = TRUE;\r |
| 1152 | break;\r |
| 1153 | }\r |
| 1154 | }\r |
| 1155 | //\r |
| 1156 | // Skip characters pair representing low-end of a range and high-end of a range\r |
| 1157 | //\r |
| 1158 | Index += 2;\r |
| 1159 | }\r |
| 1160 | \r |
| 1161 | if (!Found) {\r |
| 1162 | StringPtr++;\r |
| 1163 | }\r |
| 1164 | }\r |
| 1165 | \r |
| 1166 | Result->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 1167 | Result->Value.u64 = StringPtr - String[1];\r |
| 1168 | \r |
| 1169 | Done:\r |
| 7001eaf8 |
1170 | if (String[0] != NULL) {\r |
| 1171 | FreePool (String[0]);\r |
| 1172 | }\r |
| 1173 | if (String[1] != NULL) {\r |
| 1174 | FreePool (String[1]);\r |
| 1175 | } \r |
| 59336178 |
1176 | \r |
| 1177 | return Status;\r |
| 1178 | }\r |
| 1179 | \r |
| 1180 | \r |
| 1181 | /**\r |
| 1182 | Zero extend integer/boolean/date/time to UINT64 for comparing.\r |
| 1183 | \r |
| 1184 | @param Value HII Value to be converted.\r |
| 1185 | \r |
| 1186 | @return None.\r |
| 1187 | \r |
| 1188 | **/\r |
| 1189 | VOID\r |
| 1190 | ExtendValueToU64 (\r |
| 1191 | IN EFI_HII_VALUE *Value\r |
| 1192 | )\r |
| 1193 | {\r |
| 1194 | UINT64 Temp;\r |
| 1195 | \r |
| 1196 | Temp = 0;\r |
| 1197 | switch (Value->Type) {\r |
| 1198 | case EFI_IFR_TYPE_NUM_SIZE_8:\r |
| 1199 | Temp = Value->Value.u8;\r |
| 1200 | break;\r |
| 1201 | \r |
| 1202 | case EFI_IFR_TYPE_NUM_SIZE_16:\r |
| 1203 | Temp = Value->Value.u16;\r |
| 1204 | break;\r |
| 1205 | \r |
| 1206 | case EFI_IFR_TYPE_NUM_SIZE_32:\r |
| 1207 | Temp = Value->Value.u32;\r |
| 1208 | break;\r |
| 1209 | \r |
| 1210 | case EFI_IFR_TYPE_BOOLEAN:\r |
| 1211 | Temp = Value->Value.b;\r |
| 1212 | break;\r |
| 1213 | \r |
| 1214 | case EFI_IFR_TYPE_TIME:\r |
| 1215 | Temp = Value->Value.u32 & 0xffffff;\r |
| 1216 | break;\r |
| 1217 | \r |
| 1218 | case EFI_IFR_TYPE_DATE:\r |
| 1219 | Temp = Value->Value.u32;\r |
| 1220 | break;\r |
| 1221 | \r |
| 1222 | default:\r |
| 1223 | return;\r |
| 1224 | }\r |
| 1225 | \r |
| 1226 | Value->Value.u64 = Temp;\r |
| 1227 | }\r |
| 1228 | \r |
| 1229 | \r |
| 1230 | /**\r |
| 1231 | Compare two Hii value.\r |
| 1232 | \r |
| 1233 | @param Value1 Expression value to compare on left-hand\r |
| 1234 | @param Value2 Expression value to compare on right-hand\r |
| 1235 | @param HiiHandle Only required for string compare\r |
| 1236 | \r |
| 1237 | @retval EFI_INVALID_PARAMETER Could not perform comparation on two values\r |
| 1238 | @retval 0 Two operators equeal\r |
| 1239 | @retval 0 Value1 is greater than Value2\r |
| 1240 | @retval 0 Value1 is less than Value2\r |
| 1241 | \r |
| 1242 | **/\r |
| 1243 | INTN\r |
| 1244 | CompareHiiValue (\r |
| 1245 | IN EFI_HII_VALUE *Value1,\r |
| 1246 | IN EFI_HII_VALUE *Value2,\r |
| 1247 | IN EFI_HII_HANDLE HiiHandle OPTIONAL\r |
| 1248 | )\r |
| 1249 | {\r |
| 1250 | INTN Result;\r |
| 1251 | INT64 Temp64;\r |
| 1252 | CHAR16 *Str1;\r |
| 1253 | CHAR16 *Str2;\r |
| 1254 | \r |
| 1255 | if (Value1->Type >= EFI_IFR_TYPE_OTHER || Value2->Type >= EFI_IFR_TYPE_OTHER ) {\r |
| 1256 | return EFI_INVALID_PARAMETER;\r |
| 1257 | }\r |
| 1258 | \r |
| 1259 | if (Value1->Type == EFI_IFR_TYPE_STRING || Value2->Type == EFI_IFR_TYPE_STRING ) {\r |
| 1260 | if (Value1->Type != Value2->Type) {\r |
| 1261 | //\r |
| 1262 | // Both Operator should be type of String\r |
| 1263 | //\r |
| 1264 | return EFI_INVALID_PARAMETER;\r |
| 1265 | }\r |
| 1266 | \r |
| 1267 | if (Value1->Value.string == 0 || Value2->Value.string == 0) {\r |
| 1268 | //\r |
| 1269 | // StringId 0 is reserved\r |
| 1270 | //\r |
| 1271 | return EFI_INVALID_PARAMETER;\r |
| 1272 | }\r |
| 1273 | \r |
| 1274 | if (Value1->Value.string == Value2->Value.string) {\r |
| 1275 | return 0;\r |
| 1276 | }\r |
| 1277 | \r |
| 1278 | Str1 = GetToken (Value1->Value.string, HiiHandle);\r |
| 1279 | if (Str1 == NULL) {\r |
| 1280 | //\r |
| 1281 | // String not found\r |
| 1282 | //\r |
| 1283 | return EFI_INVALID_PARAMETER;\r |
| 1284 | }\r |
| 1285 | \r |
| 1286 | Str2 = GetToken (Value2->Value.string, HiiHandle);\r |
| 1287 | if (Str2 == NULL) {\r |
| 1288 | gBS->FreePool (Str1);\r |
| 1289 | return EFI_INVALID_PARAMETER;\r |
| 1290 | }\r |
| 1291 | \r |
| 1292 | Result = StrCmp (Str1, Str2);\r |
| 1293 | \r |
| 1294 | gBS->FreePool (Str1);\r |
| 1295 | gBS->FreePool (Str2);\r |
| 1296 | \r |
| 1297 | return Result;\r |
| 1298 | }\r |
| 1299 | \r |
| 1300 | //\r |
| 1301 | // Take remain types(integer, boolean, date/time) as integer\r |
| 1302 | //\r |
| 1303 | Temp64 = (INT64) (Value1->Value.u64 - Value2->Value.u64);\r |
| 1304 | if (Temp64 > 0) {\r |
| 1305 | Result = 1;\r |
| 1306 | } else if (Temp64 < 0) {\r |
| 1307 | Result = -1;\r |
| 1308 | } else {\r |
| 1309 | Result = 0;\r |
| 1310 | }\r |
| 1311 | \r |
| 1312 | return Result;\r |
| 1313 | }\r |
| 1314 | \r |
| 1315 | \r |
| 1316 | /**\r |
| 1317 | Evaluate the result of a HII expression\r |
| 1318 | \r |
| 1319 | @param FormSet FormSet associated with this expression.\r |
| 1320 | @param Form Form associated with this expression.\r |
| 1321 | @param Expression Expression to be evaluated.\r |
| 1322 | \r |
| 1323 | @retval EFI_SUCCESS The expression evaluated successfuly\r |
| 1324 | @retval EFI_NOT_FOUND The Question which referenced by a QuestionId\r |
| 1325 | could not be found.\r |
| 1326 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the\r |
| 1327 | stack.\r |
| 1328 | @retval EFI_ACCESS_DENIED The pop operation underflowed the stack\r |
| 1329 | @retval EFI_INVALID_PARAMETER Syntax error with the Expression\r |
| 1330 | \r |
| 1331 | **/\r |
| 1332 | EFI_STATUS\r |
| 1333 | EvaluateExpression (\r |
| 1334 | IN FORM_BROWSER_FORMSET *FormSet,\r |
| 1335 | IN FORM_BROWSER_FORM *Form,\r |
| 1336 | IN OUT FORM_EXPRESSION *Expression\r |
| 1337 | )\r |
| 1338 | {\r |
| 1339 | EFI_STATUS Status;\r |
| 1340 | LIST_ENTRY *Link;\r |
| 1341 | EXPRESSION_OPCODE *OpCode;\r |
| 1342 | FORM_BROWSER_STATEMENT *Question;\r |
| 1343 | FORM_BROWSER_STATEMENT *Question2;\r |
| 1344 | UINT16 Index;\r |
| 1345 | EFI_HII_VALUE Data1;\r |
| 1346 | EFI_HII_VALUE Data2;\r |
| 1347 | EFI_HII_VALUE Data3;\r |
| 1348 | FORM_EXPRESSION *RuleExpression;\r |
| 1349 | EFI_HII_VALUE *Value;\r |
| 1350 | INTN Result;\r |
| 1351 | CHAR16 *StrPtr;\r |
| 1352 | UINT32 TempValue;\r |
| 1353 | \r |
| 1354 | //\r |
| 1355 | // Always reset the stack before evaluating an Expression\r |
| 1356 | //\r |
| 1357 | ResetExpressionStack ();\r |
| 1358 | \r |
| 1359 | Expression->Result.Type = EFI_IFR_TYPE_OTHER;\r |
| 1360 | \r |
| 1361 | Link = GetFirstNode (&Expression->OpCodeListHead);\r |
| 1362 | while (!IsNull (&Expression->OpCodeListHead, Link)) {\r |
| 1363 | OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);\r |
| 1364 | \r |
| 1365 | Link = GetNextNode (&Expression->OpCodeListHead, Link);\r |
| 1366 | \r |
| 1367 | ZeroMem (&Data1, sizeof (EFI_HII_VALUE));\r |
| 1368 | ZeroMem (&Data2, sizeof (EFI_HII_VALUE));\r |
| 1369 | ZeroMem (&Data3, sizeof (EFI_HII_VALUE));\r |
| 1370 | \r |
| 1371 | Value = &Data3;\r |
| 1372 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
| 1373 | Status = EFI_SUCCESS;\r |
| 1374 | \r |
| 1375 | switch (OpCode->Operand) {\r |
| 1376 | //\r |
| 1377 | // Built-in functions\r |
| 1378 | //\r |
| 1379 | case EFI_IFR_EQ_ID_VAL_OP:\r |
| 1380 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r |
| 1381 | if (Question == NULL) {\r |
| 1382 | return EFI_NOT_FOUND;\r |
| 1383 | }\r |
| 1384 | \r |
| 1385 | Result = CompareHiiValue (&Question->HiiValue, &OpCode->Value, NULL);\r |
| 1386 | if (Result == EFI_INVALID_PARAMETER) {\r |
| 1387 | return EFI_INVALID_PARAMETER;\r |
| 1388 | }\r |
| 1389 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r |
| 1390 | break;\r |
| 1391 | \r |
| 1392 | case EFI_IFR_EQ_ID_ID_OP:\r |
| 1393 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r |
| 1394 | if (Question == NULL) {\r |
| 1395 | return EFI_NOT_FOUND;\r |
| 1396 | }\r |
| 1397 | \r |
| 1398 | Question2 = IdToQuestion (FormSet, Form, OpCode->QuestionId2);\r |
| 1399 | if (Question2 == NULL) {\r |
| 1400 | return EFI_NOT_FOUND;\r |
| 1401 | }\r |
| 1402 | \r |
| 1403 | Result = CompareHiiValue (&Question->HiiValue, &Question2->HiiValue, FormSet->HiiHandle);\r |
| 1404 | if (Result == EFI_INVALID_PARAMETER) {\r |
| 1405 | return EFI_INVALID_PARAMETER;\r |
| 1406 | }\r |
| 1407 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r |
| 1408 | break;\r |
| 1409 | \r |
| 1410 | case EFI_IFR_EQ_ID_LIST_OP:\r |
| 1411 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r |
| 1412 | if (Question == NULL) {\r |
| 1413 | return EFI_NOT_FOUND;\r |
| 1414 | }\r |
| 1415 | \r |
| 1416 | Value->Value.b = FALSE;\r |
| 1417 | for (Index =0; Index < OpCode->ListLength; Index++) {\r |
| 1418 | if (Question->HiiValue.Value.u16 == OpCode->ValueList[Index]) {\r |
| 1419 | Value->Value.b = TRUE;\r |
| 1420 | break;\r |
| 1421 | }\r |
| 1422 | }\r |
| 1423 | break;\r |
| 1424 | \r |
| 1425 | case EFI_IFR_DUP_OP:\r |
| 1426 | Status = PopExpression (Value);\r |
| 1427 | if (EFI_ERROR (Status)) {\r |
| 1428 | return Status;\r |
| 1429 | }\r |
| 1430 | \r |
| 1431 | Status = PushExpression (Value);\r |
| 1432 | break;\r |
| 1433 | \r |
| 1434 | case EFI_IFR_QUESTION_REF1_OP:\r |
| 1435 | case EFI_IFR_THIS_OP:\r |
| 1436 | Question = IdToQuestion (FormSet, Form, OpCode->QuestionId);\r |
| 1437 | if (Question == NULL) {\r |
| 1438 | return EFI_NOT_FOUND;\r |
| 1439 | }\r |
| 1440 | \r |
| 1441 | Value = &Question->HiiValue;\r |
| 1442 | break;\r |
| 1443 | \r |
| 1444 | case EFI_IFR_QUESTION_REF3_OP:\r |
| 1445 | if (OpCode->DevicePath == 0) {\r |
| 1446 | //\r |
| 1447 | // EFI_IFR_QUESTION_REF3\r |
| 1448 | // Pop an expression from the expression stack\r |
| 1449 | //\r |
| 1450 | Status = PopExpression (Value);\r |
| 1451 | if (EFI_ERROR (Status)) {\r |
| 1452 | return Status;\r |
| 1453 | }\r |
| 1454 | \r |
| 1455 | //\r |
| 1456 | // Validate the expression value\r |
| 1457 | //\r |
| 1458 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r |
| 1459 | return EFI_NOT_FOUND;\r |
| 1460 | }\r |
| 1461 | \r |
| 1462 | Question = IdToQuestion (FormSet, Form, Value->Value.u16);\r |
| 1463 | if (Question == NULL) {\r |
| 1464 | return EFI_NOT_FOUND;\r |
| 1465 | }\r |
| 1466 | \r |
| 1467 | //\r |
| 1468 | // push the questions' value on to the expression stack\r |
| 1469 | //\r |
| 1470 | Value = &Question->HiiValue;\r |
| 1471 | } else {\r |
| 1472 | //\r |
| 1473 | // BUGBUG: push 0 for EFI_IFR_QUESTION_REF3_2 and EFI_IFR_QUESTION_REF3_3,\r |
| 1474 | // since it is impractical to evaluate the value of a Question in another\r |
| 1475 | // Hii Package list.\r |
| 1476 | //\r |
| 1477 | ZeroMem (Value, sizeof (EFI_HII_VALUE));\r |
| 1478 | }\r |
| 1479 | break;\r |
| 1480 | \r |
| 1481 | case EFI_IFR_RULE_REF_OP:\r |
| 1482 | //\r |
| 1483 | // Find expression for this rule\r |
| 1484 | //\r |
| 1485 | RuleExpression = RuleIdToExpression (Form, OpCode->RuleId);\r |
| 1486 | if (RuleExpression == NULL) {\r |
| 1487 | return EFI_NOT_FOUND;\r |
| 1488 | }\r |
| 1489 | \r |
| 1490 | //\r |
| 1491 | // Evaluate this rule expression\r |
| 1492 | //\r |
| 1493 | Status = EvaluateExpression (FormSet, Form, RuleExpression);\r |
| 1494 | if (EFI_ERROR (Status)) {\r |
| 1495 | return Status;\r |
| 1496 | }\r |
| 1497 | \r |
| 1498 | Value = &RuleExpression->Result;\r |
| 1499 | break;\r |
| 1500 | \r |
| 1501 | case EFI_IFR_STRING_REF1_OP:\r |
| 1502 | Value->Type = EFI_IFR_TYPE_STRING;\r |
| 1503 | Value->Value.string = OpCode->Value.Value.string;\r |
| 1504 | break;\r |
| 1505 | \r |
| 1506 | //\r |
| 1507 | // Constant\r |
| 1508 | //\r |
| 1509 | case EFI_IFR_TRUE_OP:\r |
| 1510 | case EFI_IFR_FALSE_OP:\r |
| 1511 | case EFI_IFR_ONE_OP:\r |
| 1512 | case EFI_IFR_ONES_OP:\r |
| 1513 | case EFI_IFR_UINT8_OP:\r |
| 1514 | case EFI_IFR_UINT16_OP:\r |
| 1515 | case EFI_IFR_UINT32_OP:\r |
| 1516 | case EFI_IFR_UINT64_OP:\r |
| 1517 | case EFI_IFR_UNDEFINED_OP:\r |
| 1518 | case EFI_IFR_VERSION_OP:\r |
| 1519 | case EFI_IFR_ZERO_OP:\r |
| 1520 | Value = &OpCode->Value;\r |
| 1521 | break;\r |
| 1522 | \r |
| 1523 | //\r |
| 1524 | // unary-op\r |
| 1525 | //\r |
| 1526 | case EFI_IFR_LENGTH_OP:\r |
| 1527 | Status = PopExpression (Value);\r |
| 1528 | if (EFI_ERROR (Status)) {\r |
| 1529 | return Status;\r |
| 1530 | }\r |
| 1531 | if (Value->Type != EFI_IFR_TYPE_STRING) {\r |
| 1532 | return EFI_INVALID_PARAMETER;\r |
| 1533 | }\r |
| 1534 | \r |
| 1535 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r |
| 1536 | if (StrPtr == NULL) {\r |
| 1537 | return EFI_INVALID_PARAMETER;\r |
| 1538 | }\r |
| 1539 | \r |
| 1540 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 1541 | Value->Value.u64 = StrLen (StrPtr);\r |
| 1542 | gBS->FreePool (StrPtr);\r |
| 1543 | break;\r |
| 1544 | \r |
| 1545 | case EFI_IFR_NOT_OP:\r |
| 1546 | Status = PopExpression (Value);\r |
| 1547 | if (EFI_ERROR (Status)) {\r |
| 1548 | return Status;\r |
| 1549 | }\r |
| 1550 | if (Value->Type != EFI_IFR_TYPE_BOOLEAN) {\r |
| 1551 | return EFI_INVALID_PARAMETER;\r |
| 1552 | }\r |
| 1553 | Value->Value.b = (BOOLEAN) (!Value->Value.b);\r |
| 1554 | break;\r |
| 1555 | \r |
| 1556 | case EFI_IFR_QUESTION_REF2_OP:\r |
| 1557 | //\r |
| 1558 | // Pop an expression from the expression stack\r |
| 1559 | //\r |
| 1560 | Status = PopExpression (Value);\r |
| 1561 | if (EFI_ERROR (Status)) {\r |
| 1562 | return Status;\r |
| 1563 | }\r |
| 1564 | \r |
| 1565 | //\r |
| 1566 | // Validate the expression value\r |
| 1567 | //\r |
| 1568 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r |
| 1569 | return EFI_NOT_FOUND;\r |
| 1570 | }\r |
| 1571 | \r |
| 1572 | Question = IdToQuestion (FormSet, Form, Value->Value.u16);\r |
| 1573 | if (Question == NULL) {\r |
| 1574 | return EFI_NOT_FOUND;\r |
| 1575 | }\r |
| 1576 | \r |
| 1577 | Value = &Question->HiiValue;\r |
| 1578 | break;\r |
| 1579 | \r |
| 1580 | case EFI_IFR_STRING_REF2_OP:\r |
| 1581 | //\r |
| 1582 | // Pop an expression from the expression stack\r |
| 1583 | //\r |
| 1584 | Status = PopExpression (Value);\r |
| 1585 | if (EFI_ERROR (Status)) {\r |
| 1586 | return Status;\r |
| 1587 | }\r |
| 1588 | \r |
| 1589 | //\r |
| 1590 | // Validate the expression value\r |
| 1591 | //\r |
| 1592 | if ((Value->Type > EFI_IFR_TYPE_NUM_SIZE_64) || (Value->Value.u64 > 0xffff)) {\r |
| 1593 | return EFI_NOT_FOUND;\r |
| 1594 | }\r |
| 1595 | \r |
| 1596 | Value->Type = EFI_IFR_TYPE_STRING;\r |
| 1597 | StrPtr = GetToken (Value->Value.u16, FormSet->HiiHandle);\r |
| 1598 | if (StrPtr == NULL) {\r |
| 1599 | //\r |
| 1600 | // If String not exit, push an empty string\r |
| 1601 | //\r |
| 1602 | Value->Value.string = NewString (gEmptyString, FormSet->HiiHandle);\r |
| 1603 | } else {\r |
| 1604 | Index = (UINT16) Value->Value.u64;\r |
| 1605 | Value->Value.string = Index;\r |
| 1606 | gBS->FreePool (StrPtr);\r |
| 1607 | }\r |
| 1608 | break;\r |
| 1609 | \r |
| 1610 | case EFI_IFR_TO_BOOLEAN_OP:\r |
| 1611 | //\r |
| 1612 | // Pop an expression from the expression stack\r |
| 1613 | //\r |
| 1614 | Status = PopExpression (Value);\r |
| 1615 | if (EFI_ERROR (Status)) {\r |
| 1616 | return Status;\r |
| 1617 | }\r |
| 1618 | \r |
| 1619 | //\r |
| 1620 | // Convert an expression to a Boolean\r |
| 1621 | //\r |
| 1622 | if (Value->Type <= EFI_IFR_TYPE_DATE) {\r |
| 1623 | //\r |
| 1624 | // When converting from an unsigned integer, zero will be converted to\r |
| 1625 | // FALSE and any other value will be converted to TRUE.\r |
| 1626 | //\r |
| 1627 | Value->Value.b = (BOOLEAN) ((Value->Value.u64) ? TRUE : FALSE);\r |
| 1628 | \r |
| 1629 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
| 1630 | } else if (Value->Type == EFI_IFR_TYPE_STRING) {\r |
| 1631 | //\r |
| 1632 | // When converting from a string, if case-insensitive compare\r |
| 1633 | // with "true" is True, then push True. If a case-insensitive compare\r |
| 1634 | // with "false" is True, then push False.\r |
| 1635 | //\r |
| 1636 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r |
| 1637 | if (StrPtr == NULL) {\r |
| 1638 | return EFI_INVALID_PARAMETER;\r |
| 1639 | }\r |
| 1640 | \r |
| 1641 | if ((StrCmp (StrPtr, L"true") == 0) || (StrCmp (StrPtr, L"false") == 0)){\r |
| 1642 | Value->Value.b = TRUE;\r |
| 1643 | } else {\r |
| 1644 | Value->Value.b = FALSE;\r |
| 1645 | }\r |
| 1646 | gBS->FreePool (StrPtr);\r |
| 1647 | Value->Type = EFI_IFR_TYPE_BOOLEAN;\r |
| 1648 | }\r |
| 1649 | break;\r |
| 1650 | \r |
| 1651 | case EFI_IFR_TO_STRING_OP:\r |
| 1652 | Status = IfrToString (FormSet, OpCode->Format, Value);\r |
| 1653 | break;\r |
| 1654 | \r |
| 1655 | case EFI_IFR_TO_UINT_OP:\r |
| 1656 | Status = IfrToUint (FormSet, Value);\r |
| 1657 | break;\r |
| 1658 | \r |
| 1659 | case EFI_IFR_TO_LOWER_OP:\r |
| 1660 | case EFI_IFR_TO_UPPER_OP:\r |
| 1661 | Status = InitializeUnicodeCollationProtocol ();\r |
| 1662 | if (EFI_ERROR (Status)) {\r |
| 1663 | return Status;\r |
| 1664 | }\r |
| 1665 | \r |
| 1666 | Status = PopExpression (Value);\r |
| 1667 | if (EFI_ERROR (Status)) {\r |
| 1668 | return Status;\r |
| 1669 | }\r |
| 1670 | \r |
| 1671 | if (Value->Type != EFI_IFR_TYPE_STRING) {\r |
| 1672 | return EFI_UNSUPPORTED;\r |
| 1673 | }\r |
| 1674 | \r |
| 1675 | StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);\r |
| 1676 | if (StrPtr == NULL) {\r |
| 1677 | return EFI_NOT_FOUND;\r |
| 1678 | }\r |
| 1679 | \r |
| 1680 | if (OpCode->Operand == EFI_IFR_TO_LOWER_OP) {\r |
| 1681 | mUnicodeCollation->StrLwr (mUnicodeCollation, StrPtr);\r |
| 1682 | } else {\r |
| 1683 | mUnicodeCollation->StrUpr (mUnicodeCollation, StrPtr);\r |
| 1684 | }\r |
| 1685 | Value->Value.string = NewString (StrPtr, FormSet->HiiHandle);\r |
| 1686 | gBS->FreePool (StrPtr);\r |
| 1687 | break;\r |
| 1688 | \r |
| 1689 | case EFI_IFR_BITWISE_NOT_OP:\r |
| 1690 | //\r |
| 1691 | // Pop an expression from the expression stack\r |
| 1692 | //\r |
| 1693 | Status = PopExpression (Value);\r |
| 1694 | if (EFI_ERROR (Status)) {\r |
| 1695 | return Status;\r |
| 1696 | }\r |
| 1697 | if (Value->Type > EFI_IFR_TYPE_DATE) {\r |
| 1698 | return EFI_INVALID_PARAMETER;\r |
| 1699 | }\r |
| 1700 | \r |
| 1701 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 1702 | Value->Value.u64 = ~Value->Value.u64;\r |
| 1703 | break;\r |
| 1704 | \r |
| 1705 | //\r |
| 1706 | // binary-op\r |
| 1707 | //\r |
| 1708 | case EFI_IFR_ADD_OP:\r |
| 1709 | case EFI_IFR_SUBTRACT_OP:\r |
| 1710 | case EFI_IFR_MULTIPLY_OP:\r |
| 1711 | case EFI_IFR_DIVIDE_OP:\r |
| 1712 | case EFI_IFR_MODULO_OP:\r |
| 1713 | case EFI_IFR_BITWISE_AND_OP:\r |
| 1714 | case EFI_IFR_BITWISE_OR_OP:\r |
| 1715 | case EFI_IFR_SHIFT_LEFT_OP:\r |
| 1716 | case EFI_IFR_SHIFT_RIGHT_OP:\r |
| 1717 | //\r |
| 1718 | // Pop an expression from the expression stack\r |
| 1719 | //\r |
| 1720 | Status = PopExpression (&Data2);\r |
| 1721 | if (EFI_ERROR (Status)) {\r |
| 1722 | return Status;\r |
| 1723 | }\r |
| 1724 | if (Data2.Type > EFI_IFR_TYPE_DATE) {\r |
| 1725 | return EFI_INVALID_PARAMETER;\r |
| 1726 | }\r |
| 1727 | \r |
| 1728 | //\r |
| 1729 | // Pop another expression from the expression stack\r |
| 1730 | //\r |
| 1731 | Status = PopExpression (&Data1);\r |
| 1732 | if (EFI_ERROR (Status)) {\r |
| 1733 | return Status;\r |
| 1734 | }\r |
| 1735 | if (Data1.Type > EFI_IFR_TYPE_DATE) {\r |
| 1736 | return EFI_INVALID_PARAMETER;\r |
| 1737 | }\r |
| 1738 | \r |
| 1739 | Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;\r |
| 1740 | \r |
| 1741 | switch (OpCode->Operand) {\r |
| 1742 | case EFI_IFR_ADD_OP:\r |
| 1743 | Value->Value.u64 = Data1.Value.u64 + Data2.Value.u64;\r |
| 1744 | break;\r |
| 1745 | \r |
| 1746 | case EFI_IFR_SUBTRACT_OP:\r |
| 1747 | Value->Value.u64 = Data1.Value.u64 - Data2.Value.u64;\r |
| 1748 | break;\r |
| 1749 | \r |
| 1750 | case EFI_IFR_MULTIPLY_OP:\r |
| 1751 | Value->Value.u64 = MultU64x32 (Data1.Value.u64, (UINT32) Data2.Value.u64);\r |
| 1752 | break;\r |
| 1753 | \r |
| 1754 | case EFI_IFR_DIVIDE_OP:\r |
| 1755 | Value->Value.u64 = DivU64x32 (Data1.Value.u64, (UINT32) Data2.Value.u64);\r |
| 1756 | break;\r |
| 1757 | \r |
| 1758 | case EFI_IFR_MODULO_OP:\r |
| 1759 | DivU64x32Remainder (Data1.Value.u64, (UINT32) Data2.Value.u64, &TempValue);\r |
| 1760 | Value->Value.u64 = TempValue;\r |
| 1761 | break;\r |
| 1762 | \r |
| 1763 | case EFI_IFR_BITWISE_AND_OP:\r |
| 1764 | Value->Value.u64 = Data1.Value.u64 & Data2.Value.u64;\r |
| 1765 | break;\r |
| 1766 | \r |
| 1767 | case EFI_IFR_BITWISE_OR_OP:\r |
| 1768 | Value->Value.u64 = Data1.Value.u64 | Data2.Value.u64;\r |
| 1769 | break;\r |
| 1770 | \r |
| 1771 | case EFI_IFR_SHIFT_LEFT_OP:\r |
| 1772 | Value->Value.u64 = LShiftU64 (Data1.Value.u64, (UINTN) Data2.Value.u64);\r |
| 1773 | break;\r |
| 1774 | \r |
| 1775 | case EFI_IFR_SHIFT_RIGHT_OP:\r |
| 1776 | Value->Value.u64 = RShiftU64 (Data1.Value.u64, (UINTN) Data2.Value.u64);\r |
| 1777 | break;\r |
| 1778 | \r |
| 1779 | default:\r |
| 1780 | break;\r |
| 1781 | }\r |
| 1782 | break;\r |
| 1783 | \r |
| 1784 | case EFI_IFR_AND_OP:\r |
| 1785 | case EFI_IFR_OR_OP:\r |
| 1786 | //\r |
| 1787 | // Two Boolean operator\r |
| 1788 | //\r |
| 1789 | Status = PopExpression (&Data2);\r |
| 1790 | if (EFI_ERROR (Status)) {\r |
| 1791 | return Status;\r |
| 1792 | }\r |
| 1793 | if (Data2.Type != EFI_IFR_TYPE_BOOLEAN) {\r |
| 1794 | return EFI_INVALID_PARAMETER;\r |
| 1795 | }\r |
| 1796 | \r |
| 1797 | //\r |
| 1798 | // Pop another expression from the expression stack\r |
| 1799 | //\r |
| 1800 | Status = PopExpression (&Data1);\r |
| 1801 | if (EFI_ERROR (Status)) {\r |
| 1802 | return Status;\r |
| 1803 | }\r |
| 1804 | if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {\r |
| 1805 | return EFI_INVALID_PARAMETER;\r |
| 1806 | }\r |
| 1807 | \r |
| 1808 | if (OpCode->Operand == EFI_IFR_AND_OP) {\r |
| 1809 | Value->Value.b = (BOOLEAN) (Data1.Value.b && Data2.Value.b);\r |
| 1810 | } else {\r |
| 1811 | Value->Value.b = (BOOLEAN) (Data1.Value.b || Data2.Value.b);\r |
| 1812 | }\r |
| 1813 | break;\r |
| 1814 | \r |
| 1815 | case EFI_IFR_EQUAL_OP:\r |
| 1816 | case EFI_IFR_NOT_EQUAL_OP:\r |
| 1817 | case EFI_IFR_GREATER_EQUAL_OP:\r |
| 1818 | case EFI_IFR_GREATER_THAN_OP:\r |
| 1819 | case EFI_IFR_LESS_EQUAL_OP:\r |
| 1820 | case EFI_IFR_LESS_THAN_OP:\r |
| 1821 | //\r |
| 1822 | // Compare two integer, string, boolean or date/time\r |
| 1823 | //\r |
| 1824 | Status = PopExpression (&Data2);\r |
| 1825 | if (EFI_ERROR (Status)) {\r |
| 1826 | return Status;\r |
| 1827 | }\r |
| 1828 | if (Data2.Type > EFI_IFR_TYPE_BOOLEAN && Data2.Type != EFI_IFR_TYPE_STRING) {\r |
| 1829 | return EFI_INVALID_PARAMETER;\r |
| 1830 | }\r |
| 1831 | \r |
| 1832 | //\r |
| 1833 | // Pop another expression from the expression stack\r |
| 1834 | //\r |
| 1835 | Status = PopExpression (&Data1);\r |
| 1836 | if (EFI_ERROR (Status)) {\r |
| 1837 | return Status;\r |
| 1838 | }\r |
| 1839 | \r |
| 1840 | Result = CompareHiiValue (&Data1, &Data2, FormSet->HiiHandle);\r |
| 1841 | if (Result == EFI_INVALID_PARAMETER) {\r |
| 1842 | return EFI_INVALID_PARAMETER;\r |
| 1843 | }\r |
| 1844 | \r |
| 1845 | switch (OpCode->Operand) {\r |
| 1846 | case EFI_IFR_EQUAL_OP:\r |
| 1847 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r |
| 1848 | break;\r |
| 1849 | \r |
| 1850 | case EFI_IFR_NOT_EQUAL_OP:\r |
| 1851 | Value->Value.b = (BOOLEAN) ((Result == 0) ? TRUE : FALSE);\r |
| 1852 | break;\r |
| 1853 | \r |
| 1854 | case EFI_IFR_GREATER_EQUAL_OP:\r |
| 1855 | Value->Value.b = (BOOLEAN) ((Result >= 0) ? TRUE : FALSE);\r |
| 1856 | break;\r |
| 1857 | \r |
| 1858 | case EFI_IFR_GREATER_THAN_OP:\r |
| 1859 | Value->Value.b = (BOOLEAN) ((Result > 0) ? TRUE : FALSE);\r |
| 1860 | break;\r |
| 1861 | \r |
| 1862 | case EFI_IFR_LESS_EQUAL_OP:\r |
| 1863 | Value->Value.b = (BOOLEAN) ((Result <= 0) ? TRUE : FALSE);\r |
| 1864 | break;\r |
| 1865 | \r |
| 1866 | case EFI_IFR_LESS_THAN_OP:\r |
| 1867 | Value->Value.b = (BOOLEAN) ((Result < 0) ? TRUE : FALSE);\r |
| 1868 | break;\r |
| 1869 | \r |
| 1870 | default:\r |
| 1871 | break;\r |
| 1872 | }\r |
| 1873 | break;\r |
| 1874 | \r |
| 1875 | case EFI_IFR_MATCH_OP:\r |
| 1876 | Status = IfrMatch (FormSet, Value);\r |
| 1877 | break;\r |
| 1878 | \r |
| 1879 | case EFI_IFR_CATENATE_OP:\r |
| 1880 | Status = IfrCatenate (FormSet, Value);\r |
| 1881 | break;\r |
| 1882 | \r |
| 1883 | //\r |
| 1884 | // ternary-op\r |
| 1885 | //\r |
| 1886 | case EFI_IFR_CONDITIONAL_OP:\r |
| 1887 | //\r |
| 1888 | // Pop third expression from the expression stack\r |
| 1889 | //\r |
| 1890 | Status = PopExpression (&Data3);\r |
| 1891 | if (EFI_ERROR (Status)) {\r |
| 1892 | return Status;\r |
| 1893 | }\r |
| 1894 | \r |
| 1895 | //\r |
| 1896 | // Pop second expression from the expression stack\r |
| 1897 | //\r |
| 1898 | Status = PopExpression (&Data2);\r |
| 1899 | if (EFI_ERROR (Status)) {\r |
| 1900 | return Status;\r |
| 1901 | }\r |
| 1902 | \r |
| 1903 | //\r |
| 1904 | // Pop first expression from the expression stack\r |
| 1905 | //\r |
| 1906 | Status = PopExpression (&Data1);\r |
| 1907 | if (EFI_ERROR (Status)) {\r |
| 1908 | return Status;\r |
| 1909 | }\r |
| 1910 | if (Data1.Type != EFI_IFR_TYPE_BOOLEAN) {\r |
| 1911 | return EFI_INVALID_PARAMETER;\r |
| 1912 | }\r |
| 1913 | \r |
| 1914 | if (Data1.Value.b) {\r |
| 1915 | Value = &Data3;\r |
| 1916 | } else {\r |
| 1917 | Value = &Data2;\r |
| 1918 | }\r |
| 1919 | break;\r |
| 1920 | \r |
| 1921 | case EFI_IFR_FIND_OP:\r |
| 1922 | Status = IfrFind (FormSet, OpCode->Format, Value);\r |
| 1923 | break;\r |
| 1924 | \r |
| 1925 | case EFI_IFR_MID_OP:\r |
| 1926 | Status = IfrMid (FormSet, Value);\r |
| 1927 | break;\r |
| 1928 | \r |
| 1929 | case EFI_IFR_TOKEN_OP:\r |
| 1930 | Status = IfrToken (FormSet, Value);\r |
| 1931 | break;\r |
| 1932 | \r |
| 1933 | case EFI_IFR_SPAN_OP:\r |
| 1934 | Status = IfrSpan (FormSet, OpCode->Flags, Value);\r |
| 1935 | break;\r |
| 1936 | \r |
| 1937 | default:\r |
| 1938 | break;\r |
| 1939 | }\r |
| 1940 | if (EFI_ERROR (Status)) {\r |
| 1941 | return Status;\r |
| 1942 | }\r |
| 1943 | \r |
| 1944 | Status = PushExpression (Value);\r |
| 1945 | if (EFI_ERROR (Status)) {\r |
| 1946 | return Status;\r |
| 1947 | }\r |
| 1948 | }\r |
| 1949 | \r |
| 1950 | //\r |
| 1951 | // Pop the final result from expression stack\r |
| 1952 | //\r |
| 1953 | Value = &Data1;\r |
| 1954 | Status = PopExpression (Value);\r |
| 1955 | if (EFI_ERROR (Status)) {\r |
| 1956 | return Status;\r |
| 1957 | }\r |
| 1958 | \r |
| 1959 | //\r |
| 1960 | // After evaluating an expression, there should be only one value left on the expression stack\r |
| 1961 | //\r |
| 1962 | if (PopExpression (Value) != EFI_ACCESS_DENIED) {\r |
| 1963 | return EFI_INVALID_PARAMETER;\r |
| 1964 | }\r |
| 1965 | \r |
| 1966 | CopyMem (&Expression->Result, Value, sizeof (EFI_HII_VALUE));\r |
| 1967 | \r |
| 1968 | return EFI_SUCCESS;\r |
| 1969 | }\r |
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