1 /** @file 2 Implementation for EFI_HII_STRING_PROTOCOL. 3 4 5 Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR> 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14 **/ 15 16 17 #include "HiiDatabase.h" 18 19 CHAR16 mLanguageWindow[16] = { 20 0x0000, 0x0080, 0x0100, 0x0300, 21 0x2000, 0x2080, 0x2100, 0x3000, 22 0x0080, 0x00C0, 0x0400, 0x0600, 23 0x0900, 0x3040, 0x30A0, 0xFF00 24 }; 25 26 27 /** 28 This function checks whether a global font info is referred by local 29 font info list or not. (i.e. HII_FONT_INFO is generated.) If not, create 30 a HII_FONT_INFO to refer it locally. 31 32 This is a internal function. 33 34 35 @param Private Hii database private structure. 36 @param StringPackage HII string package instance. 37 @param FontId Font identifer, which must be unique within the string package. 38 @param DuplicateEnable If true, duplicate HII_FONT_INFO which refers to 39 the same EFI_FONT_INFO is permitted. Otherwise it 40 is not allowed. 41 @param GlobalFontInfo Input a global font info which specify a 42 EFI_FONT_INFO. 43 @param LocalFontInfo Output a local font info which refers to a 44 EFI_FONT_INFO. 45 46 @retval TRUE Already referred before calling this function. 47 @retval FALSE Not referred before calling this function. 48 49 **/ 50 BOOLEAN 51 ReferFontInfoLocally ( 52 IN HII_DATABASE_PRIVATE_DATA *Private, 53 IN HII_STRING_PACKAGE_INSTANCE *StringPackage, 54 IN UINT8 FontId, 55 IN BOOLEAN DuplicateEnable, 56 IN HII_GLOBAL_FONT_INFO *GlobalFontInfo, 57 OUT HII_FONT_INFO **LocalFontInfo 58 ) 59 { 60 HII_FONT_INFO *LocalFont; 61 LIST_ENTRY *Link; 62 63 ASSERT (Private != NULL && StringPackage != NULL && GlobalFontInfo != NULL && LocalFontInfo != NULL); 64 65 if (!DuplicateEnable) { 66 for (Link = StringPackage->FontInfoList.ForwardLink; 67 Link != &StringPackage->FontInfoList; 68 Link = Link->ForwardLink 69 ) { 70 LocalFont = CR (Link, HII_FONT_INFO, Entry, HII_FONT_INFO_SIGNATURE); 71 if (LocalFont->GlobalEntry == &GlobalFontInfo->Entry) { 72 // 73 // Already referred by local font info list, return directly. 74 // 75 *LocalFontInfo = LocalFont; 76 return TRUE; 77 } 78 } 79 } 80 // FontId identifies EFI_FONT_INFO in local string package uniquely. 81 // GlobalEntry points to a HII_GLOBAL_FONT_INFO which identifies 82 // EFI_FONT_INFO uniquely in whole hii database. 83 // 84 LocalFont = (HII_FONT_INFO *) AllocateZeroPool (sizeof (HII_FONT_INFO)); 85 ASSERT (LocalFont != NULL); 86 87 LocalFont->Signature = HII_FONT_INFO_SIGNATURE; 88 LocalFont->FontId = FontId; 89 LocalFont->GlobalEntry = &GlobalFontInfo->Entry; 90 InsertTailList (&StringPackage->FontInfoList, &LocalFont->Entry); 91 92 *LocalFontInfo = LocalFont; 93 return FALSE; 94 } 95 96 97 /** 98 Convert Ascii string text to unicode string test. 99 100 This is a internal function. 101 102 103 @param StringDest Buffer to store the string text. If it is NULL, 104 only the size will be returned. 105 @param StringSrc Points to current null-terminated string. 106 @param BufferSize Length of the buffer. 107 108 @retval EFI_SUCCESS The string text was outputed successfully. 109 @retval EFI_BUFFER_TOO_SMALL Buffer is insufficient to store the found string 110 text. BufferSize is updated to the required buffer 111 size. 112 113 **/ 114 EFI_STATUS 115 ConvertToUnicodeText ( 116 OUT EFI_STRING StringDest, 117 IN CHAR8 *StringSrc, 118 IN OUT UINTN *BufferSize 119 ) 120 { 121 UINTN StringSize; 122 UINTN Index; 123 124 ASSERT (StringSrc != NULL && BufferSize != NULL); 125 126 StringSize = AsciiStrSize (StringSrc) * 2; 127 if (*BufferSize < StringSize || StringDest == NULL) { 128 *BufferSize = StringSize; 129 return EFI_BUFFER_TOO_SMALL; 130 } 131 132 for (Index = 0; Index < AsciiStrLen (StringSrc); Index++) { 133 StringDest[Index] = (CHAR16) StringSrc[Index]; 134 } 135 136 StringDest[Index] = 0; 137 return EFI_SUCCESS; 138 } 139 140 141 /** 142 Calculate the size of StringSrc and output it. If StringDest is not NULL, 143 copy string text from src to dest. 144 145 This is a internal function. 146 147 @param StringDest Buffer to store the string text. If it is NULL, 148 only the size will be returned. 149 @param StringSrc Points to current null-terminated string. 150 @param BufferSize Length of the buffer. 151 152 @retval EFI_SUCCESS The string text was outputed successfully. 153 @retval EFI_BUFFER_TOO_SMALL Buffer is insufficient to store the found string 154 text. BufferSize is updated to the required buffer 155 size. 156 157 **/ 158 EFI_STATUS 159 GetUnicodeStringTextOrSize ( 160 OUT EFI_STRING StringDest, OPTIONAL 161 IN UINT8 *StringSrc, 162 IN OUT UINTN *BufferSize 163 ) 164 { 165 UINTN StringSize; 166 UINT8 *StringPtr; 167 168 ASSERT (StringSrc != NULL && BufferSize != NULL); 169 170 StringSize = sizeof (CHAR16); 171 StringPtr = StringSrc; 172 while (ReadUnaligned16 ((UINT16 *) StringPtr) != 0) { 173 StringSize += sizeof (CHAR16); 174 StringPtr += sizeof (CHAR16); 175 } 176 177 if (*BufferSize < StringSize) { 178 *BufferSize = StringSize; 179 return EFI_BUFFER_TOO_SMALL; 180 } 181 if (StringDest != NULL) { 182 CopyMem (StringDest, StringSrc, StringSize); 183 } 184 185 *BufferSize = StringSize; 186 return EFI_SUCCESS; 187 } 188 189 190 /** 191 Copy string font info to a buffer. 192 193 This is a internal function. 194 195 @param StringPackage Hii string package instance. 196 @param FontId Font identifier which is unique in a string 197 package. 198 @param StringFontInfo Buffer to record the output font info. It's 199 caller's responsibility to free this buffer. 200 201 @retval EFI_SUCCESS The string font is outputed successfully. 202 @retval EFI_NOT_FOUND The specified font id does not exist. 203 204 **/ 205 EFI_STATUS 206 GetStringFontInfo ( 207 IN HII_STRING_PACKAGE_INSTANCE *StringPackage, 208 IN UINT8 FontId, 209 OUT EFI_FONT_INFO **StringFontInfo 210 ) 211 { 212 LIST_ENTRY *Link; 213 HII_FONT_INFO *FontInfo; 214 HII_GLOBAL_FONT_INFO *GlobalFont; 215 216 ASSERT (StringFontInfo != NULL && StringPackage != NULL); 217 218 for (Link = StringPackage->FontInfoList.ForwardLink; Link != &StringPackage->FontInfoList; Link = Link->ForwardLink) { 219 FontInfo = CR (Link, HII_FONT_INFO, Entry, HII_FONT_INFO_SIGNATURE); 220 if (FontInfo->FontId == FontId) { 221 GlobalFont = CR (FontInfo->GlobalEntry, HII_GLOBAL_FONT_INFO, Entry, HII_GLOBAL_FONT_INFO_SIGNATURE); 222 *StringFontInfo = (EFI_FONT_INFO *) AllocateZeroPool (GlobalFont->FontInfoSize); 223 if (*StringFontInfo == NULL) { 224 return EFI_OUT_OF_RESOURCES; 225 } 226 CopyMem (*StringFontInfo, GlobalFont->FontInfo, GlobalFont->FontInfoSize); 227 return EFI_SUCCESS; 228 } 229 } 230 231 return EFI_NOT_FOUND; 232 } 233 234 235 /** 236 Parse all string blocks to find a String block specified by StringId. 237 If StringId = (EFI_STRING_ID) (-1), find out all EFI_HII_SIBT_FONT blocks 238 within this string package and backup its information. If LastStringId is 239 specified, the string id of last string block will also be output. 240 If StringId = 0, output the string id of last string block (EFI_HII_SIBT_STRING). 241 242 @param Private Hii database private structure. 243 @param StringPackage Hii string package instance. 244 @param StringId The string's id, which is unique within 245 PackageList. 246 @param BlockType Output the block type of found string block. 247 @param StringBlockAddr Output the block address of found string block. 248 @param StringTextOffset Offset, relative to the found block address, of 249 the string text information. 250 @param LastStringId Output the last string id when StringId = 0 or StringId = -1. 251 @param StartStringId The first id in the skip block which StringId in the block. 252 253 @retval EFI_SUCCESS The string text and font is retrieved 254 successfully. 255 @retval EFI_NOT_FOUND The specified text or font info can not be found 256 out. 257 @retval EFI_OUT_OF_RESOURCES The system is out of resources to accomplish the 258 task. 259 260 **/ 261 EFI_STATUS 262 FindStringBlock ( 263 IN HII_DATABASE_PRIVATE_DATA *Private, 264 IN HII_STRING_PACKAGE_INSTANCE *StringPackage, 265 IN EFI_STRING_ID StringId, 266 OUT UINT8 *BlockType, OPTIONAL 267 OUT UINT8 **StringBlockAddr, OPTIONAL 268 OUT UINTN *StringTextOffset, OPTIONAL 269 OUT EFI_STRING_ID *LastStringId, OPTIONAL 270 OUT EFI_STRING_ID *StartStringId OPTIONAL 271 ) 272 { 273 UINT8 *BlockHdr; 274 EFI_STRING_ID CurrentStringId; 275 UINTN BlockSize; 276 UINTN Index; 277 UINT8 *StringTextPtr; 278 UINTN Offset; 279 HII_FONT_INFO *LocalFont; 280 EFI_FONT_INFO *FontInfo; 281 HII_GLOBAL_FONT_INFO *GlobalFont; 282 UINTN FontInfoSize; 283 UINT16 StringCount; 284 UINT16 SkipCount; 285 EFI_HII_FONT_STYLE FontStyle; 286 UINT16 FontSize; 287 UINT8 Length8; 288 EFI_HII_SIBT_EXT2_BLOCK Ext2; 289 UINT8 FontId; 290 UINT32 Length32; 291 UINTN StringSize; 292 CHAR16 Zero; 293 294 ASSERT (StringPackage != NULL); 295 ASSERT (StringPackage->Signature == HII_STRING_PACKAGE_SIGNATURE); 296 297 CurrentStringId = 1; 298 299 if (StringId != (EFI_STRING_ID) (-1) && StringId != 0) { 300 ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL); 301 if (StringId > StringPackage->MaxStringId) { 302 return EFI_NOT_FOUND; 303 } 304 } else { 305 ASSERT (Private != NULL && Private->Signature == HII_DATABASE_PRIVATE_DATA_SIGNATURE); 306 if (StringId == 0 && LastStringId != NULL) { 307 *LastStringId = StringPackage->MaxStringId; 308 return EFI_SUCCESS; 309 } 310 } 311 312 ZeroMem (&Zero, sizeof (CHAR16)); 313 314 // 315 // Parse the string blocks to get the string text and font. 316 // 317 BlockHdr = StringPackage->StringBlock; 318 BlockSize = 0; 319 Offset = 0; 320 while (*BlockHdr != EFI_HII_SIBT_END) { 321 switch (*BlockHdr) { 322 case EFI_HII_SIBT_STRING_SCSU: 323 Offset = sizeof (EFI_HII_STRING_BLOCK); 324 StringTextPtr = BlockHdr + Offset; 325 BlockSize += Offset + AsciiStrSize ((CHAR8 *) StringTextPtr); 326 CurrentStringId++; 327 break; 328 329 case EFI_HII_SIBT_STRING_SCSU_FONT: 330 Offset = sizeof (EFI_HII_SIBT_STRING_SCSU_FONT_BLOCK) - sizeof (UINT8); 331 StringTextPtr = BlockHdr + Offset; 332 BlockSize += Offset + AsciiStrSize ((CHAR8 *) StringTextPtr); 333 CurrentStringId++; 334 break; 335 336 case EFI_HII_SIBT_STRINGS_SCSU: 337 CopyMem (&StringCount, BlockHdr + sizeof (EFI_HII_STRING_BLOCK), sizeof (UINT16)); 338 StringTextPtr = (UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_SIBT_STRINGS_SCSU_BLOCK) - sizeof (UINT8)); 339 BlockSize += StringTextPtr - BlockHdr; 340 341 for (Index = 0; Index < StringCount; Index++) { 342 BlockSize += AsciiStrSize ((CHAR8 *) StringTextPtr); 343 if (CurrentStringId == StringId) { 344 ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL); 345 *BlockType = *BlockHdr; 346 *StringBlockAddr = BlockHdr; 347 *StringTextOffset = StringTextPtr - BlockHdr; 348 return EFI_SUCCESS; 349 } 350 StringTextPtr = StringTextPtr + AsciiStrSize ((CHAR8 *) StringTextPtr); 351 CurrentStringId++; 352 } 353 break; 354 355 case EFI_HII_SIBT_STRINGS_SCSU_FONT: 356 CopyMem ( 357 &StringCount, 358 (UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_STRING_BLOCK) + sizeof (UINT8)), 359 sizeof (UINT16) 360 ); 361 StringTextPtr = (UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_SIBT_STRINGS_SCSU_FONT_BLOCK) - sizeof (UINT8)); 362 BlockSize += StringTextPtr - BlockHdr; 363 364 for (Index = 0; Index < StringCount; Index++) { 365 BlockSize += AsciiStrSize ((CHAR8 *) StringTextPtr); 366 if (CurrentStringId == StringId) { 367 ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL); 368 *BlockType = *BlockHdr; 369 *StringBlockAddr = BlockHdr; 370 *StringTextOffset = StringTextPtr - BlockHdr; 371 return EFI_SUCCESS; 372 } 373 StringTextPtr = StringTextPtr + AsciiStrSize ((CHAR8 *) StringTextPtr); 374 CurrentStringId++; 375 } 376 break; 377 378 case EFI_HII_SIBT_STRING_UCS2: 379 Offset = sizeof (EFI_HII_STRING_BLOCK); 380 StringTextPtr = BlockHdr + Offset; 381 // 382 // Use StringSize to store the size of the specified string, including the NULL 383 // terminator. 384 // 385 GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize); 386 BlockSize += Offset + StringSize; 387 CurrentStringId++; 388 break; 389 390 case EFI_HII_SIBT_STRING_UCS2_FONT: 391 Offset = sizeof (EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK) - sizeof (CHAR16); 392 StringTextPtr = BlockHdr + Offset; 393 // 394 // Use StrSize to store the size of the specified string, including the NULL 395 // terminator. 396 // 397 GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize); 398 BlockSize += Offset + StringSize; 399 CurrentStringId++; 400 break; 401 402 case EFI_HII_SIBT_STRINGS_UCS2: 403 Offset = sizeof (EFI_HII_SIBT_STRINGS_UCS2_BLOCK) - sizeof (CHAR16); 404 StringTextPtr = BlockHdr + Offset; 405 BlockSize += Offset; 406 CopyMem (&StringCount, BlockHdr + sizeof (EFI_HII_STRING_BLOCK), sizeof (UINT16)); 407 for (Index = 0; Index < StringCount; Index++) { 408 GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize); 409 BlockSize += StringSize; 410 if (CurrentStringId == StringId) { 411 ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL); 412 *BlockType = *BlockHdr; 413 *StringBlockAddr = BlockHdr; 414 *StringTextOffset = StringTextPtr - BlockHdr; 415 return EFI_SUCCESS; 416 } 417 StringTextPtr = StringTextPtr + StringSize; 418 CurrentStringId++; 419 } 420 break; 421 422 case EFI_HII_SIBT_STRINGS_UCS2_FONT: 423 Offset = sizeof (EFI_HII_SIBT_STRINGS_UCS2_FONT_BLOCK) - sizeof (CHAR16); 424 StringTextPtr = BlockHdr + Offset; 425 BlockSize += Offset; 426 CopyMem ( 427 &StringCount, 428 (UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_STRING_BLOCK) + sizeof (UINT8)), 429 sizeof (UINT16) 430 ); 431 for (Index = 0; Index < StringCount; Index++) { 432 GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize); 433 BlockSize += StringSize; 434 if (CurrentStringId == StringId) { 435 ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL); 436 *BlockType = *BlockHdr; 437 *StringBlockAddr = BlockHdr; 438 *StringTextOffset = StringTextPtr - BlockHdr; 439 return EFI_SUCCESS; 440 } 441 StringTextPtr = StringTextPtr + StringSize; 442 CurrentStringId++; 443 } 444 break; 445 446 case EFI_HII_SIBT_DUPLICATE: 447 if (CurrentStringId == StringId) { 448 // 449 // Incoming StringId is an id of a duplicate string block. 450 // Update the StringId to be the previous string block. 451 // Go back to the header of string block to search. 452 // 453 CopyMem ( 454 &StringId, 455 BlockHdr + sizeof (EFI_HII_STRING_BLOCK), 456 sizeof (EFI_STRING_ID) 457 ); 458 ASSERT (StringId != CurrentStringId); 459 CurrentStringId = 1; 460 BlockSize = 0; 461 } else { 462 BlockSize += sizeof (EFI_HII_SIBT_DUPLICATE_BLOCK); 463 CurrentStringId++; 464 } 465 break; 466 467 case EFI_HII_SIBT_SKIP1: 468 SkipCount = (UINT16) (*(UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_STRING_BLOCK))); 469 CurrentStringId = (UINT16) (CurrentStringId + SkipCount); 470 BlockSize += sizeof (EFI_HII_SIBT_SKIP1_BLOCK); 471 break; 472 473 case EFI_HII_SIBT_SKIP2: 474 CopyMem (&SkipCount, BlockHdr + sizeof (EFI_HII_STRING_BLOCK), sizeof (UINT16)); 475 CurrentStringId = (UINT16) (CurrentStringId + SkipCount); 476 BlockSize += sizeof (EFI_HII_SIBT_SKIP2_BLOCK); 477 break; 478 479 case EFI_HII_SIBT_EXT1: 480 CopyMem ( 481 &Length8, 482 (UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_STRING_BLOCK) + sizeof (UINT8)), 483 sizeof (UINT8) 484 ); 485 BlockSize += Length8; 486 break; 487 488 case EFI_HII_SIBT_EXT2: 489 CopyMem (&Ext2, BlockHdr, sizeof (EFI_HII_SIBT_EXT2_BLOCK)); 490 if (Ext2.BlockType2 == EFI_HII_SIBT_FONT && StringId == (EFI_STRING_ID) (-1)) { 491 // 492 // Find the relationship between global font info and the font info of 493 // this EFI_HII_SIBT_FONT block then backup its information in local package. 494 // 495 BlockHdr += sizeof (EFI_HII_SIBT_EXT2_BLOCK); 496 CopyMem (&FontId, BlockHdr, sizeof (UINT8)); 497 BlockHdr ++; 498 CopyMem (&FontSize, BlockHdr, sizeof (UINT16)); 499 BlockHdr += sizeof (UINT16); 500 CopyMem (&FontStyle, BlockHdr, sizeof (EFI_HII_FONT_STYLE)); 501 BlockHdr += sizeof (EFI_HII_FONT_STYLE); 502 GetUnicodeStringTextOrSize (NULL, BlockHdr, &StringSize); 503 504 FontInfoSize = sizeof (EFI_FONT_INFO) - sizeof (CHAR16) + StringSize; 505 FontInfo = (EFI_FONT_INFO *) AllocateZeroPool (FontInfoSize); 506 if (FontInfo == NULL) { 507 return EFI_OUT_OF_RESOURCES; 508 } 509 FontInfo->FontStyle = FontStyle; 510 FontInfo->FontSize = FontSize; 511 CopyMem (FontInfo->FontName, BlockHdr, StringSize); 512 513 // 514 // If find the corresponding global font info, save the relationship. 515 // Otherwise ignore this EFI_HII_SIBT_FONT block. 516 // 517 if (IsFontInfoExisted (Private, FontInfo, NULL, NULL, &GlobalFont)) { 518 ReferFontInfoLocally (Private, StringPackage, FontId, TRUE, GlobalFont, &LocalFont); 519 } 520 521 // 522 // Since string package tool set FontId initially to 0 and increases it 523 // progressively by one, StringPackage->FondId always represents an unique 524 // and available FontId. 525 // 526 StringPackage->FontId++; 527 528 FreePool (FontInfo); 529 } 530 531 BlockSize += Ext2.Length; 532 533 break; 534 535 case EFI_HII_SIBT_EXT4: 536 CopyMem ( 537 &Length32, 538 (UINT8*)((UINTN)BlockHdr + sizeof (EFI_HII_STRING_BLOCK) + sizeof (UINT8)), 539 sizeof (UINT32) 540 ); 541 542 BlockSize += Length32; 543 break; 544 545 default: 546 break; 547 } 548 549 if (StringId > 0 && StringId != (EFI_STRING_ID)(-1)) { 550 ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL); 551 *BlockType = *BlockHdr; 552 *StringBlockAddr = BlockHdr; 553 *StringTextOffset = Offset; 554 555 if (StringId == CurrentStringId - 1) { 556 // 557 // if only one skip item, return EFI_NOT_FOUND. 558 // 559 if(*BlockType == EFI_HII_SIBT_SKIP2 || *BlockType == EFI_HII_SIBT_SKIP1) { 560 return EFI_NOT_FOUND; 561 } else { 562 return EFI_SUCCESS; 563 } 564 } 565 566 if (StringId < CurrentStringId - 1) { 567 return EFI_NOT_FOUND; 568 } 569 } 570 BlockHdr = StringPackage->StringBlock + BlockSize; 571 if (StartStringId != NULL) { 572 *StartStringId = CurrentStringId; 573 } 574 } 575 576 // 577 // Get last string ID 578 // 579 if (StringId == (EFI_STRING_ID) (-1) && LastStringId != NULL) { 580 *LastStringId = (EFI_STRING_ID) (CurrentStringId - 1); 581 return EFI_SUCCESS; 582 } 583 584 return EFI_NOT_FOUND; 585 } 586 587 588 /** 589 Parse all string blocks to get a string specified by StringId. 590 591 This is a internal function. 592 593 @param Private Hii database private structure. 594 @param StringPackage Hii string package instance. 595 @param StringId The string's id, which is unique within 596 PackageList. 597 @param String Points to retrieved null-terminated string. 598 @param StringSize On entry, points to the size of the buffer pointed 599 to by String, in bytes. On return, points to the 600 length of the string, in bytes. 601 @param StringFontInfo If not NULL, allocate a buffer to record the 602 output font info. It's caller's responsibility to 603 free this buffer. 604 605 @retval EFI_SUCCESS The string text and font is retrieved 606 successfully. 607 @retval EFI_NOT_FOUND The specified text or font info can not be found 608 out. 609 @retval EFI_BUFFER_TOO_SMALL The buffer specified by StringSize is too small to 610 hold the string. 611 612 **/ 613 EFI_STATUS 614 GetStringWorker ( 615 IN HII_DATABASE_PRIVATE_DATA *Private, 616 IN HII_STRING_PACKAGE_INSTANCE *StringPackage, 617 IN EFI_STRING_ID StringId, 618 OUT EFI_STRING String, 619 IN OUT UINTN *StringSize, OPTIONAL 620 OUT EFI_FONT_INFO **StringFontInfo OPTIONAL 621 ) 622 { 623 UINT8 *StringTextPtr; 624 UINT8 BlockType; 625 UINT8 *StringBlockAddr; 626 UINTN StringTextOffset; 627 EFI_STATUS Status; 628 UINT8 FontId; 629 630 ASSERT (StringPackage != NULL); 631 ASSERT (Private != NULL && Private->Signature == HII_DATABASE_PRIVATE_DATA_SIGNATURE); 632 633 // 634 // Find the specified string block 635 // 636 Status = FindStringBlock ( 637 Private, 638 StringPackage, 639 StringId, 640 &BlockType, 641 &StringBlockAddr, 642 &StringTextOffset, 643 NULL, 644 NULL 645 ); 646 if (EFI_ERROR (Status)) { 647 return Status; 648 } 649 650 if (StringSize == NULL) { 651 // 652 // String text buffer is not requested 653 // 654 return EFI_SUCCESS; 655 } 656 657 // 658 // Get the string text. 659 // 660 StringTextPtr = StringBlockAddr + StringTextOffset; 661 switch (BlockType) { 662 case EFI_HII_SIBT_STRING_SCSU: 663 case EFI_HII_SIBT_STRING_SCSU_FONT: 664 case EFI_HII_SIBT_STRINGS_SCSU: 665 case EFI_HII_SIBT_STRINGS_SCSU_FONT: 666 Status = ConvertToUnicodeText (String, (CHAR8 *) StringTextPtr, StringSize); 667 break; 668 case EFI_HII_SIBT_STRING_UCS2: 669 case EFI_HII_SIBT_STRING_UCS2_FONT: 670 case EFI_HII_SIBT_STRINGS_UCS2: 671 case EFI_HII_SIBT_STRINGS_UCS2_FONT: 672 Status = GetUnicodeStringTextOrSize (String, StringTextPtr, StringSize); 673 break; 674 default: 675 return EFI_NOT_FOUND; 676 } 677 if (EFI_ERROR (Status)) { 678 return Status; 679 } 680 681 // 682 // Get the string font. The FontId 0 is the default font for those string blocks which 683 // do not specify a font identifier. If default font is not specified, return NULL. 684 // 685 if (StringFontInfo != NULL) { 686 switch (BlockType) { 687 case EFI_HII_SIBT_STRING_SCSU_FONT: 688 case EFI_HII_SIBT_STRINGS_SCSU_FONT: 689 case EFI_HII_SIBT_STRING_UCS2_FONT: 690 case EFI_HII_SIBT_STRINGS_UCS2_FONT: 691 FontId = *(StringBlockAddr + sizeof (EFI_HII_STRING_BLOCK)); 692 break; 693 default: 694 FontId = 0; 695 } 696 Status = GetStringFontInfo (StringPackage, FontId, StringFontInfo); 697 if (Status == EFI_NOT_FOUND) { 698 *StringFontInfo = NULL; 699 } 700 } 701 702 return EFI_SUCCESS; 703 } 704 705 /** 706 If GetStringBlock find the StringId's string is not saved in the exist string block, 707 this function will create the UCS2 string block to save the string; also split the 708 skip block into two or one skip block. 709 710 This is a internal function. 711 712 @param StringPackage Hii string package instance. 713 @param StartStringId The first id in the skip block which StringId in the block. 714 @param StringId The string's id, which is unique within 715 PackageList. 716 @param BlockType Output the block type of found string block. 717 @param StringBlockAddr Output the block address of found string block. 718 @param FontBlock whether this string block has font info. 719 720 @retval EFI_SUCCESS The string font is outputed successfully. 721 @retval EFI_OUT_OF_RESOURCES NO resource for the memory to save the new string block. 722 723 **/ 724 EFI_STATUS 725 InsertLackStringBlock ( 726 IN OUT HII_STRING_PACKAGE_INSTANCE *StringPackage, 727 IN EFI_STRING_ID StartStringId, 728 IN EFI_STRING_ID StringId, 729 IN OUT UINT8 *BlockType, 730 IN OUT UINT8 **StringBlockAddr, 731 IN BOOLEAN FontBlock 732 ) 733 { 734 UINT8 *BlockPtr; 735 UINT8 *StringBlock; 736 UINT32 SkipLen; 737 UINT32 OldBlockSize; 738 UINT32 NewBlockSize; 739 UINT32 FrontSkipNum; 740 UINT32 NewUCSBlockLen; 741 UINT8 *OldStringAddr; 742 UINT32 IdCount; 743 744 FrontSkipNum = 0; 745 SkipLen = 0; 746 OldStringAddr = *StringBlockAddr; 747 748 ASSERT (*BlockType == EFI_HII_SIBT_SKIP1 || *BlockType == EFI_HII_SIBT_SKIP2); 749 // 750 // Old skip block size. 751 // 752 if (*BlockType == EFI_HII_SIBT_SKIP1) { 753 SkipLen = sizeof (EFI_HII_SIBT_SKIP1_BLOCK); 754 IdCount = *(UINT8*)(OldStringAddr + sizeof (EFI_HII_STRING_BLOCK)); 755 } else { 756 SkipLen = sizeof (EFI_HII_SIBT_SKIP2_BLOCK); 757 IdCount = *(UINT16*)(OldStringAddr + sizeof (EFI_HII_STRING_BLOCK)); 758 } 759 760 // 761 // New create UCS or UCS2 block size. 762 // 763 if (FontBlock) { 764 NewUCSBlockLen = sizeof (EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK); 765 } else { 766 NewUCSBlockLen = sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK); 767 } 768 769 OldBlockSize = StringPackage->StringPkgHdr->Header.Length - StringPackage->StringPkgHdr->HdrSize; 770 771 if (StartStringId == StringId) { 772 // 773 // New block + [Skip block] 774 // 775 if (IdCount > 1) { 776 NewBlockSize = OldBlockSize + NewUCSBlockLen; 777 } else { 778 NewBlockSize = OldBlockSize + NewUCSBlockLen - SkipLen; 779 } 780 } else if (StartStringId + IdCount - 1 == StringId){ 781 // 782 // Skip block + New block 783 // 784 NewBlockSize = OldBlockSize + NewUCSBlockLen; 785 FrontSkipNum = StringId - StartStringId; 786 } else { 787 // 788 // Skip block + New block + [Skip block] 789 // 790 NewBlockSize = OldBlockSize + NewUCSBlockLen + SkipLen; 791 FrontSkipNum = StringId - StartStringId; 792 } 793 794 StringBlock = (UINT8 *) AllocateZeroPool (NewBlockSize); 795 if (StringBlock == NULL) { 796 return EFI_OUT_OF_RESOURCES; 797 } 798 799 // 800 // Copy old block in front of skip block. 801 // 802 CopyMem (StringBlock, StringPackage->StringBlock, OldStringAddr - StringPackage->StringBlock); 803 BlockPtr = StringBlock + (OldStringAddr - StringPackage->StringBlock); 804 805 if (FrontSkipNum > 0) { 806 *BlockPtr = *BlockType; 807 if (*BlockType == EFI_HII_SIBT_SKIP1) { 808 *(BlockPtr + sizeof (EFI_HII_STRING_BLOCK)) = (UINT8) FrontSkipNum; 809 } else { 810 *(UINT16 *)(BlockPtr + sizeof (EFI_HII_STRING_BLOCK)) = (UINT16) FrontSkipNum; 811 } 812 BlockPtr += SkipLen; 813 } 814 815 // 816 // Create a EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK 817 // 818 *StringBlockAddr = BlockPtr; 819 if (FontBlock) { 820 *BlockPtr = EFI_HII_SIBT_STRING_UCS2_FONT; 821 } else { 822 *BlockPtr = EFI_HII_SIBT_STRING_UCS2; 823 } 824 BlockPtr += NewUCSBlockLen; 825 826 if (IdCount > FrontSkipNum + 1) { 827 *BlockPtr = *BlockType; 828 if (*BlockType == EFI_HII_SIBT_SKIP1) { 829 *(BlockPtr + sizeof (EFI_HII_STRING_BLOCK)) = (UINT8) (IdCount - FrontSkipNum - 1); 830 } else { 831 *(UINT16 *)(BlockPtr + sizeof (EFI_HII_STRING_BLOCK)) = (UINT16) (IdCount - FrontSkipNum - 1); 832 } 833 BlockPtr += SkipLen; 834 } 835 836 // 837 // Append a EFI_HII_SIBT_END block to the end. 838 // 839 CopyMem (BlockPtr, OldStringAddr + SkipLen, OldBlockSize - (OldStringAddr - StringPackage->StringBlock) - SkipLen); 840 841 if (FontBlock) { 842 *BlockType = EFI_HII_SIBT_STRING_UCS2_FONT; 843 } else { 844 *BlockType = EFI_HII_SIBT_STRING_UCS2; 845 } 846 FreePool (StringPackage->StringBlock); 847 StringPackage->StringBlock = StringBlock; 848 StringPackage->StringPkgHdr->Header.Length += NewBlockSize - OldBlockSize; 849 850 return EFI_SUCCESS; 851 } 852 853 /** 854 Parse all string blocks to set a String specified by StringId. 855 856 This is a internal function. 857 858 @param Private HII database driver private structure. 859 @param StringPackage HII string package instance. 860 @param StringId The string's id, which is unique within 861 PackageList. 862 @param String Points to the new null-terminated string. 863 @param StringFontInfo Points to the input font info. 864 865 @retval EFI_SUCCESS The string was updated successfully. 866 @retval EFI_NOT_FOUND The string specified by StringId is not in the 867 database. 868 @retval EFI_INVALID_PARAMETER The String or Language was NULL. 869 @retval EFI_INVALID_PARAMETER The specified StringFontInfo does not exist in 870 current database. 871 @retval EFI_OUT_OF_RESOURCES The system is out of resources to accomplish the 872 task. 873 874 **/ 875 EFI_STATUS 876 SetStringWorker ( 877 IN HII_DATABASE_PRIVATE_DATA *Private, 878 IN OUT HII_STRING_PACKAGE_INSTANCE *StringPackage, 879 IN EFI_STRING_ID StringId, 880 IN EFI_STRING String, 881 IN EFI_FONT_INFO *StringFontInfo OPTIONAL 882 ) 883 { 884 UINT8 *StringTextPtr; 885 UINT8 BlockType; 886 UINT8 *StringBlockAddr; 887 UINTN StringTextOffset; 888 EFI_STATUS Status; 889 UINT8 *Block; 890 UINT8 *BlockPtr; 891 UINTN BlockSize; 892 UINTN OldBlockSize; 893 HII_FONT_INFO *LocalFont; 894 HII_GLOBAL_FONT_INFO *GlobalFont; 895 BOOLEAN Referred; 896 EFI_HII_SIBT_EXT2_BLOCK Ext2; 897 UINTN StringSize; 898 UINTN TmpSize; 899 EFI_STRING_ID StartStringId; 900 901 StartStringId = 0; 902 StringSize = 0; 903 ASSERT (Private != NULL && StringPackage != NULL && String != NULL); 904 ASSERT (Private->Signature == HII_DATABASE_PRIVATE_DATA_SIGNATURE); 905 // 906 // Find the specified string block 907 // 908 Status = FindStringBlock ( 909 Private, 910 StringPackage, 911 StringId, 912 &BlockType, 913 &StringBlockAddr, 914 &StringTextOffset, 915 NULL, 916 &StartStringId 917 ); 918 if (EFI_ERROR (Status) && (BlockType == EFI_HII_SIBT_SKIP1 || BlockType == EFI_HII_SIBT_SKIP2)) { 919 Status = InsertLackStringBlock(StringPackage, 920 StartStringId, 921 StringId, 922 &BlockType, 923 &StringBlockAddr, 924 (BOOLEAN)(StringFontInfo != NULL) 925 ); 926 if (EFI_ERROR (Status)) { 927 return Status; 928 } 929 if (StringFontInfo != NULL) { 930 StringTextOffset = sizeof (EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK) - sizeof (CHAR16); 931 } else { 932 StringTextOffset = sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK) - sizeof (CHAR16); 933 } 934 } 935 936 LocalFont = NULL; 937 GlobalFont = NULL; 938 Referred = FALSE; 939 940 // 941 // The input StringFontInfo should exist in current database if specified. 942 // 943 if (StringFontInfo != NULL) { 944 if (!IsFontInfoExisted (Private, StringFontInfo, NULL, NULL, &GlobalFont)) { 945 return EFI_INVALID_PARAMETER; 946 } else { 947 Referred = ReferFontInfoLocally ( 948 Private, 949 StringPackage, 950 StringPackage->FontId, 951 FALSE, 952 GlobalFont, 953 &LocalFont 954 ); 955 if (!Referred) { 956 StringPackage->FontId++; 957 } 958 } 959 // 960 // Update the FontId of the specified string block to input font info. 961 // 962 switch (BlockType) { 963 case EFI_HII_SIBT_STRING_SCSU_FONT: 964 case EFI_HII_SIBT_STRINGS_SCSU_FONT: 965 case EFI_HII_SIBT_STRING_UCS2_FONT: 966 case EFI_HII_SIBT_STRINGS_UCS2_FONT: 967 *(StringBlockAddr + sizeof (EFI_HII_STRING_BLOCK)) = LocalFont->FontId; 968 break; 969 default: 970 // 971 // When modify the font info of these blocks, the block type should be updated 972 // to contain font info thus the whole structure should be revised. 973 // It is recommended to use tool to modify the block type not in the code. 974 // 975 return EFI_UNSUPPORTED; 976 } 977 } 978 979 OldBlockSize = StringPackage->StringPkgHdr->Header.Length - StringPackage->StringPkgHdr->HdrSize; 980 981 // 982 // Set the string text and font. 983 // 984 StringTextPtr = StringBlockAddr + StringTextOffset; 985 switch (BlockType) { 986 case EFI_HII_SIBT_STRING_SCSU: 987 case EFI_HII_SIBT_STRING_SCSU_FONT: 988 case EFI_HII_SIBT_STRINGS_SCSU: 989 case EFI_HII_SIBT_STRINGS_SCSU_FONT: 990 BlockSize = OldBlockSize + StrLen (String); 991 BlockSize -= AsciiStrSize ((CHAR8 *) StringTextPtr); 992 Block = AllocateZeroPool (BlockSize); 993 if (Block == NULL) { 994 return EFI_OUT_OF_RESOURCES; 995 } 996 997 CopyMem (Block, StringPackage->StringBlock, StringTextPtr - StringPackage->StringBlock); 998 BlockPtr = Block + (StringTextPtr - StringPackage->StringBlock); 999 1000 while (*String != 0) { 1001 *BlockPtr++ = (CHAR8) *String++; 1002 } 1003 *BlockPtr++ = 0; 1004 1005 1006 TmpSize = OldBlockSize - (StringTextPtr - StringPackage->StringBlock) - AsciiStrSize ((CHAR8 *) StringTextPtr); 1007 CopyMem ( 1008 BlockPtr, 1009 StringTextPtr + AsciiStrSize ((CHAR8 *)StringTextPtr), 1010 TmpSize 1011 ); 1012 1013 FreePool (StringPackage->StringBlock); 1014 StringPackage->StringBlock = Block; 1015 StringPackage->StringPkgHdr->Header.Length += (UINT32) (BlockSize - OldBlockSize); 1016 break; 1017 1018 case EFI_HII_SIBT_STRING_UCS2: 1019 case EFI_HII_SIBT_STRING_UCS2_FONT: 1020 case EFI_HII_SIBT_STRINGS_UCS2: 1021 case EFI_HII_SIBT_STRINGS_UCS2_FONT: 1022 // 1023 // Use StrSize to store the size of the specified string, including the NULL 1024 // terminator. 1025 // 1026 GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize); 1027 1028 BlockSize = OldBlockSize + StrSize (String) - StringSize; 1029 Block = AllocateZeroPool (BlockSize); 1030 if (Block == NULL) { 1031 return EFI_OUT_OF_RESOURCES; 1032 } 1033 1034 CopyMem (Block, StringPackage->StringBlock, StringTextPtr - StringPackage->StringBlock); 1035 BlockPtr = Block + (StringTextPtr - StringPackage->StringBlock); 1036 1037 CopyMem (BlockPtr, String, StrSize (String)); 1038 BlockPtr += StrSize (String); 1039 1040 CopyMem ( 1041 BlockPtr, 1042 StringTextPtr + StringSize, 1043 OldBlockSize - (StringTextPtr - StringPackage->StringBlock) - StringSize 1044 ); 1045 1046 FreePool (StringPackage->StringBlock); 1047 StringPackage->StringBlock = Block; 1048 StringPackage->StringPkgHdr->Header.Length += (UINT32) (BlockSize - OldBlockSize); 1049 break; 1050 1051 default: 1052 return EFI_NOT_FOUND; 1053 } 1054 1055 // 1056 // Insert a new EFI_HII_SIBT_FONT_BLOCK to the header of string block, if incoming 1057 // StringFontInfo does not exist in current string package. 1058 // 1059 // This new block does not impact on the value of StringId. 1060 // 1061 // 1062 if (StringFontInfo == NULL || Referred) { 1063 return EFI_SUCCESS; 1064 } 1065 1066 OldBlockSize = StringPackage->StringPkgHdr->Header.Length - StringPackage->StringPkgHdr->HdrSize; 1067 BlockSize = OldBlockSize + sizeof (EFI_HII_SIBT_FONT_BLOCK) - sizeof (CHAR16) + 1068 StrSize (GlobalFont->FontInfo->FontName); 1069 1070 Block = AllocateZeroPool (BlockSize); 1071 if (Block == NULL) { 1072 return EFI_OUT_OF_RESOURCES; 1073 } 1074 1075 BlockPtr = Block; 1076 Ext2.Header.BlockType = EFI_HII_SIBT_EXT2; 1077 Ext2.BlockType2 = EFI_HII_SIBT_FONT; 1078 Ext2.Length = (UINT16) (BlockSize - OldBlockSize); 1079 CopyMem (BlockPtr, &Ext2, sizeof (EFI_HII_SIBT_EXT2_BLOCK)); 1080 BlockPtr += sizeof (EFI_HII_SIBT_EXT2_BLOCK); 1081 1082 *BlockPtr = LocalFont->FontId; 1083 BlockPtr ++; 1084 CopyMem (BlockPtr, &GlobalFont->FontInfo->FontSize, sizeof (UINT16)); 1085 BlockPtr += sizeof (UINT16); 1086 CopyMem (BlockPtr, &GlobalFont->FontInfo->FontStyle, sizeof (UINT32)); 1087 BlockPtr += sizeof (UINT32); 1088 CopyMem ( 1089 BlockPtr, 1090 GlobalFont->FontInfo->FontName, 1091 StrSize (GlobalFont->FontInfo->FontName) 1092 ); 1093 BlockPtr += StrSize (GlobalFont->FontInfo->FontName); 1094 1095 CopyMem (BlockPtr, StringPackage->StringBlock, OldBlockSize); 1096 1097 FreePool (StringPackage->StringBlock); 1098 StringPackage->StringBlock = Block; 1099 StringPackage->StringPkgHdr->Header.Length += Ext2.Length; 1100 1101 return EFI_SUCCESS; 1102 1103 } 1104 1105 1106 /** 1107 This function adds the string String to the group of strings owned by PackageList, with the 1108 specified font information StringFontInfo and returns a new string id. 1109 The new string identifier is guaranteed to be unique within the package list. 1110 That new string identifier is reserved for all languages in the package list. 1111 1112 1113 @param This A pointer to the EFI_HII_STRING_PROTOCOL instance. 1114 @param PackageList Handle of the package list where this string will 1115 be added. 1116 @param StringId On return, contains the new strings id, which is 1117 unique within PackageList. 1118 @param Language Points to the language for the new string. 1119 @param LanguageName Points to the printable language name to associate 1120 with the passed in Language field.If LanguageName 1121 is not NULL and the string package header's 1122 LanguageName associated with a given Language is 1123 not zero, the LanguageName being passed in will 1124 be ignored. 1125 @param String Points to the new null-terminated string. 1126 @param StringFontInfo Points to the new string's font information or 1127 NULL if the string should have the default system 1128 font, size and style. 1129 1130 @retval EFI_SUCCESS The new string was added successfully. 1131 @retval EFI_NOT_FOUND The specified PackageList could not be found in 1132 database. 1133 @retval EFI_OUT_OF_RESOURCES Could not add the string due to lack of resources. 1134 @retval EFI_INVALID_PARAMETER String is NULL or StringId is NULL or Language is 1135 NULL. 1136 @retval EFI_INVALID_PARAMETER The specified StringFontInfo does not exist in 1137 current database. 1138 1139 **/ 1140 EFI_STATUS 1141 EFIAPI 1142 HiiNewString ( 1143 IN CONST EFI_HII_STRING_PROTOCOL *This, 1144 IN EFI_HII_HANDLE PackageList, 1145 OUT EFI_STRING_ID *StringId, 1146 IN CONST CHAR8 *Language, 1147 IN CONST CHAR16 *LanguageName, OPTIONAL 1148 IN CONST EFI_STRING String, 1149 IN CONST EFI_FONT_INFO *StringFontInfo OPTIONAL 1150 ) 1151 { 1152 EFI_STATUS Status; 1153 LIST_ENTRY *Link; 1154 HII_DATABASE_PRIVATE_DATA *Private; 1155 HII_DATABASE_RECORD *DatabaseRecord; 1156 HII_DATABASE_PACKAGE_LIST_INSTANCE *PackageListNode; 1157 HII_STRING_PACKAGE_INSTANCE *StringPackage; 1158 UINT32 HeaderSize; 1159 UINT32 BlockSize; 1160 UINT32 OldBlockSize; 1161 UINT8 *StringBlock; 1162 UINT8 *BlockPtr; 1163 UINT32 Ucs2BlockSize; 1164 UINT32 FontBlockSize; 1165 UINT32 Ucs2FontBlockSize; 1166 EFI_HII_SIBT_EXT2_BLOCK Ext2; 1167 HII_FONT_INFO *LocalFont; 1168 HII_GLOBAL_FONT_INFO *GlobalFont; 1169 EFI_STRING_ID NewStringId; 1170 EFI_STRING_ID NextStringId; 1171 EFI_STRING_ID Index; 1172 HII_STRING_PACKAGE_INSTANCE *MatchStringPackage; 1173 BOOLEAN NewStringPackageCreated; 1174 1175 1176 if (This == NULL || String == NULL || StringId == NULL || Language == NULL || PackageList == NULL) { 1177 return EFI_INVALID_PARAMETER; 1178 } 1179 1180 if (!IsHiiHandleValid (PackageList)) { 1181 return EFI_NOT_FOUND; 1182 } 1183 1184 Private = HII_STRING_DATABASE_PRIVATE_DATA_FROM_THIS (This); 1185 GlobalFont = NULL; 1186 1187 // 1188 // If StringFontInfo specify a paritcular font, it should exist in current database. 1189 // 1190 if (StringFontInfo != NULL) { 1191 if (!IsFontInfoExisted (Private, (EFI_FONT_INFO *) StringFontInfo, NULL, NULL, &GlobalFont)) { 1192 return EFI_INVALID_PARAMETER; 1193 } 1194 } 1195 1196 // 1197 // Get the matching package list. 1198 // 1199 PackageListNode = NULL; 1200 for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink) { 1201 DatabaseRecord = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE); 1202 if (DatabaseRecord->Handle == PackageList) { 1203 PackageListNode = DatabaseRecord->PackageList; 1204 break; 1205 } 1206 } 1207 if (PackageListNode == NULL) { 1208 return EFI_NOT_FOUND; 1209 } 1210 1211 Status = EFI_SUCCESS; 1212 NewStringPackageCreated = FALSE; 1213 NewStringId = 0; 1214 NextStringId = 0; 1215 StringPackage = NULL; 1216 MatchStringPackage = NULL; 1217 for (Link = PackageListNode->StringPkgHdr.ForwardLink; 1218 Link != &PackageListNode->StringPkgHdr; 1219 Link = Link->ForwardLink 1220 ) { 1221 StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE); 1222 // 1223 // Create a string block and corresponding font block if exists, then append them 1224 // to the end of the string package. 1225 // 1226 Status = FindStringBlock ( 1227 Private, 1228 StringPackage, 1229 0, 1230 NULL, 1231 NULL, 1232 NULL, 1233 &NextStringId, 1234 NULL 1235 ); 1236 if (EFI_ERROR (Status)) { 1237 goto Done; 1238 } 1239 // 1240 // Make sure that new StringId is same in all String Packages for the different language. 1241 // 1242 if (NewStringId != 0 && NewStringId != NextStringId) { 1243 ASSERT (FALSE); 1244 Status = EFI_INVALID_PARAMETER; 1245 goto Done; 1246 } 1247 NewStringId = NextStringId; 1248 // 1249 // Get the matched string package with language. 1250 // 1251 if (HiiCompareLanguage (StringPackage->StringPkgHdr->Language, (CHAR8 *) Language)) { 1252 MatchStringPackage = StringPackage; 1253 } else { 1254 OldBlockSize = StringPackage->StringPkgHdr->Header.Length - StringPackage->StringPkgHdr->HdrSize; 1255 // 1256 // Create a blank EFI_HII_SIBT_STRING_UCS2_BLOCK to reserve new string ID. 1257 // 1258 Ucs2BlockSize = (UINT32) sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK); 1259 1260 StringBlock = (UINT8 *) AllocateZeroPool (OldBlockSize + Ucs2BlockSize); 1261 if (StringBlock == NULL) { 1262 Status = EFI_OUT_OF_RESOURCES; 1263 goto Done; 1264 } 1265 // 1266 // Copy original string blocks, except the EFI_HII_SIBT_END. 1267 // 1268 CopyMem (StringBlock, StringPackage->StringBlock, OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK)); 1269 // 1270 // Create a blank EFI_HII_SIBT_STRING_UCS2 block 1271 // 1272 BlockPtr = StringBlock + OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK); 1273 *BlockPtr = EFI_HII_SIBT_STRING_UCS2; 1274 BlockPtr += sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK); 1275 1276 // 1277 // Append a EFI_HII_SIBT_END block to the end. 1278 // 1279 *BlockPtr = EFI_HII_SIBT_END; 1280 FreePool (StringPackage->StringBlock); 1281 StringPackage->StringBlock = StringBlock; 1282 StringPackage->StringPkgHdr->Header.Length += Ucs2BlockSize; 1283 PackageListNode->PackageListHdr.PackageLength += Ucs2BlockSize; 1284 } 1285 } 1286 if (NewStringId == 0) { 1287 // 1288 // No string package is found. 1289 // Create new string package. StringId 1 is reserved for Language Name string. 1290 // 1291 *StringId = 2; 1292 } else { 1293 // 1294 // Set new StringId 1295 // 1296 *StringId = (EFI_STRING_ID) (NewStringId + 1); 1297 } 1298 1299 if (MatchStringPackage != NULL) { 1300 StringPackage = MatchStringPackage; 1301 } else { 1302 // 1303 // LanguageName is required to create a new string package. 1304 // 1305 if (LanguageName == NULL) { 1306 Status = EFI_INVALID_PARAMETER; 1307 goto Done; 1308 } 1309 1310 StringPackage = AllocateZeroPool (sizeof (HII_STRING_PACKAGE_INSTANCE)); 1311 if (StringPackage == NULL) { 1312 Status = EFI_OUT_OF_RESOURCES; 1313 goto Done; 1314 } 1315 1316 StringPackage->Signature = HII_STRING_PACKAGE_SIGNATURE; 1317 StringPackage->MaxStringId = *StringId; 1318 StringPackage->FontId = 0; 1319 InitializeListHead (&StringPackage->FontInfoList); 1320 1321 // 1322 // Fill in the string package header 1323 // 1324 HeaderSize = (UINT32) (AsciiStrSize ((CHAR8 *) Language) - 1 + sizeof (EFI_HII_STRING_PACKAGE_HDR)); 1325 StringPackage->StringPkgHdr = AllocateZeroPool (HeaderSize); 1326 if (StringPackage->StringPkgHdr == NULL) { 1327 FreePool (StringPackage); 1328 Status = EFI_OUT_OF_RESOURCES; 1329 goto Done; 1330 } 1331 StringPackage->StringPkgHdr->Header.Type = EFI_HII_PACKAGE_STRINGS; 1332 StringPackage->StringPkgHdr->HdrSize = HeaderSize; 1333 StringPackage->StringPkgHdr->StringInfoOffset = HeaderSize; 1334 CopyMem (StringPackage->StringPkgHdr->LanguageWindow, mLanguageWindow, 16 * sizeof (CHAR16)); 1335 StringPackage->StringPkgHdr->LanguageName = 1; 1336 AsciiStrCpyS (StringPackage->StringPkgHdr->Language, (HeaderSize - OFFSET_OF(EFI_HII_STRING_PACKAGE_HDR,Language)) / sizeof (CHAR8), (CHAR8 *) Language); 1337 1338 // 1339 // Calculate the length of the string blocks, including string block to record 1340 // printable language full name and EFI_HII_SIBT_END_BLOCK. 1341 // 1342 Ucs2BlockSize = (UINT32) (StrSize ((CHAR16 *) LanguageName) + 1343 (*StringId - 1) * sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK) - sizeof (CHAR16)); 1344 1345 BlockSize = Ucs2BlockSize + sizeof (EFI_HII_SIBT_END_BLOCK); 1346 StringPackage->StringBlock = (UINT8 *) AllocateZeroPool (BlockSize); 1347 if (StringPackage->StringBlock == NULL) { 1348 FreePool (StringPackage->StringPkgHdr); 1349 FreePool (StringPackage); 1350 Status = EFI_OUT_OF_RESOURCES; 1351 goto Done; 1352 } 1353 1354 // 1355 // Insert the string block of printable language full name 1356 // 1357 BlockPtr = StringPackage->StringBlock; 1358 *BlockPtr = EFI_HII_SIBT_STRING_UCS2; 1359 BlockPtr += sizeof (EFI_HII_STRING_BLOCK); 1360 CopyMem (BlockPtr, (EFI_STRING) LanguageName, StrSize ((EFI_STRING) LanguageName)); 1361 BlockPtr += StrSize ((EFI_STRING) LanguageName); 1362 for (Index = 2; Index <= *StringId - 1; Index ++) { 1363 *BlockPtr = EFI_HII_SIBT_STRING_UCS2; 1364 BlockPtr += sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK); 1365 } 1366 // 1367 // Insert the end block 1368 // 1369 *BlockPtr = EFI_HII_SIBT_END; 1370 1371 // 1372 // Append this string package node to string package array in this package list. 1373 // 1374 StringPackage->StringPkgHdr->Header.Length = HeaderSize + BlockSize; 1375 PackageListNode->PackageListHdr.PackageLength += StringPackage->StringPkgHdr->Header.Length; 1376 InsertTailList (&PackageListNode->StringPkgHdr, &StringPackage->StringEntry); 1377 NewStringPackageCreated = TRUE; 1378 } 1379 1380 OldBlockSize = StringPackage->StringPkgHdr->Header.Length - StringPackage->StringPkgHdr->HdrSize; 1381 1382 if (StringFontInfo == NULL) { 1383 // 1384 // Create a EFI_HII_SIBT_STRING_UCS2_BLOCK since font info is not specified. 1385 // 1386 Ucs2BlockSize = (UINT32) (StrSize (String) + sizeof (EFI_HII_SIBT_STRING_UCS2_BLOCK) 1387 - sizeof (CHAR16)); 1388 1389 StringBlock = (UINT8 *) AllocateZeroPool (OldBlockSize + Ucs2BlockSize); 1390 if (StringBlock == NULL) { 1391 Status = EFI_OUT_OF_RESOURCES; 1392 goto Done; 1393 } 1394 // 1395 // Copy original string blocks, except the EFI_HII_SIBT_END. 1396 // 1397 CopyMem (StringBlock, StringPackage->StringBlock, OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK)); 1398 // 1399 // Create a EFI_HII_SIBT_STRING_UCS2 block 1400 // 1401 BlockPtr = StringBlock + OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK); 1402 *BlockPtr = EFI_HII_SIBT_STRING_UCS2; 1403 BlockPtr += sizeof (EFI_HII_STRING_BLOCK); 1404 CopyMem (BlockPtr, (EFI_STRING) String, StrSize ((EFI_STRING) String)); 1405 BlockPtr += StrSize ((EFI_STRING) String); 1406 1407 // 1408 // Append a EFI_HII_SIBT_END block to the end. 1409 // 1410 *BlockPtr = EFI_HII_SIBT_END; 1411 FreePool (StringPackage->StringBlock); 1412 StringPackage->StringBlock = StringBlock; 1413 StringPackage->StringPkgHdr->Header.Length += Ucs2BlockSize; 1414 PackageListNode->PackageListHdr.PackageLength += Ucs2BlockSize; 1415 1416 } else { 1417 // 1418 // StringFontInfo is specified here. If there is a EFI_HII_SIBT_FONT_BLOCK 1419 // which refers to this font info, create a EFI_HII_SIBT_STRING_UCS2_FONT block 1420 // only. Otherwise create a EFI_HII_SIBT_FONT block with a EFI_HII_SIBT_STRING 1421 // _UCS2_FONT block. 1422 // 1423 Ucs2FontBlockSize = (UINT32) (StrSize (String) + sizeof (EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK) - 1424 sizeof (CHAR16)); 1425 if (ReferFontInfoLocally (Private, StringPackage, StringPackage->FontId, FALSE, GlobalFont, &LocalFont)) { 1426 // 1427 // Create a EFI_HII_SIBT_STRING_UCS2_FONT block only. 1428 // 1429 StringBlock = (UINT8 *) AllocateZeroPool (OldBlockSize + Ucs2FontBlockSize); 1430 if (StringBlock == NULL) { 1431 Status = EFI_OUT_OF_RESOURCES; 1432 goto Done; 1433 } 1434 // 1435 // Copy original string blocks, except the EFI_HII_SIBT_END. 1436 // 1437 CopyMem (StringBlock, StringPackage->StringBlock, OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK)); 1438 // 1439 // Create a EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK 1440 // 1441 BlockPtr = StringBlock + OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK); 1442 *BlockPtr = EFI_HII_SIBT_STRING_UCS2_FONT; 1443 BlockPtr += sizeof (EFI_HII_STRING_BLOCK); 1444 *BlockPtr = LocalFont->FontId; 1445 BlockPtr ++; 1446 CopyMem (BlockPtr, (EFI_STRING) String, StrSize ((EFI_STRING) String)); 1447 BlockPtr += StrSize ((EFI_STRING) String); 1448 1449 // 1450 // Append a EFI_HII_SIBT_END block to the end. 1451 // 1452 *BlockPtr = EFI_HII_SIBT_END; 1453 FreePool (StringPackage->StringBlock); 1454 StringPackage->StringBlock = StringBlock; 1455 StringPackage->StringPkgHdr->Header.Length += Ucs2FontBlockSize; 1456 PackageListNode->PackageListHdr.PackageLength += Ucs2FontBlockSize; 1457 1458 } else { 1459 // 1460 // EFI_HII_SIBT_FONT_BLOCK does not exist in current string package, so 1461 // create a EFI_HII_SIBT_FONT block to record the font info, then generate 1462 // a EFI_HII_SIBT_STRING_UCS2_FONT block to record the incoming string. 1463 // 1464 FontBlockSize = (UINT32) (StrSize (((EFI_FONT_INFO *) StringFontInfo)->FontName) + 1465 sizeof (EFI_HII_SIBT_FONT_BLOCK) - sizeof (CHAR16)); 1466 StringBlock = (UINT8 *) AllocateZeroPool (OldBlockSize + FontBlockSize + Ucs2FontBlockSize); 1467 if (StringBlock == NULL) { 1468 Status = EFI_OUT_OF_RESOURCES; 1469 goto Done; 1470 } 1471 // 1472 // Copy original string blocks, except the EFI_HII_SIBT_END. 1473 // 1474 CopyMem (StringBlock, StringPackage->StringBlock, OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK)); 1475 1476 // 1477 // Create a EFI_HII_SIBT_FONT block firstly and then backup its info in string 1478 // package instance for future reference. 1479 // 1480 BlockPtr = StringBlock + OldBlockSize - sizeof (EFI_HII_SIBT_END_BLOCK); 1481 1482 Ext2.Header.BlockType = EFI_HII_SIBT_EXT2; 1483 Ext2.BlockType2 = EFI_HII_SIBT_FONT; 1484 Ext2.Length = (UINT16) FontBlockSize; 1485 CopyMem (BlockPtr, &Ext2, sizeof (EFI_HII_SIBT_EXT2_BLOCK)); 1486 BlockPtr += sizeof (EFI_HII_SIBT_EXT2_BLOCK); 1487 1488 *BlockPtr = LocalFont->FontId; 1489 BlockPtr ++; 1490 CopyMem (BlockPtr, &((EFI_FONT_INFO *) StringFontInfo)->FontSize, sizeof (UINT16)); 1491 BlockPtr += sizeof (UINT16); 1492 CopyMem (BlockPtr, &((EFI_FONT_INFO *) StringFontInfo)->FontStyle, sizeof (EFI_HII_FONT_STYLE)); 1493 BlockPtr += sizeof (EFI_HII_FONT_STYLE); 1494 CopyMem ( 1495 BlockPtr, 1496 &((EFI_FONT_INFO *) StringFontInfo)->FontName, 1497 StrSize (((EFI_FONT_INFO *) StringFontInfo)->FontName) 1498 ); 1499 BlockPtr += StrSize (((EFI_FONT_INFO *) StringFontInfo)->FontName); 1500 // 1501 // Create a EFI_HII_SIBT_STRING_UCS2_FONT_BLOCK 1502 // 1503 *BlockPtr = EFI_HII_SIBT_STRING_UCS2_FONT; 1504 BlockPtr += sizeof (EFI_HII_STRING_BLOCK); 1505 *BlockPtr = LocalFont->FontId; 1506 BlockPtr ++; 1507 CopyMem (BlockPtr, (EFI_STRING) String, StrSize ((EFI_STRING) String)); 1508 BlockPtr += StrSize ((EFI_STRING) String); 1509 1510 // 1511 // Append a EFI_HII_SIBT_END block to the end. 1512 // 1513 *BlockPtr = EFI_HII_SIBT_END; 1514 FreePool (StringPackage->StringBlock); 1515 StringPackage->StringBlock = StringBlock; 1516 StringPackage->StringPkgHdr->Header.Length += FontBlockSize + Ucs2FontBlockSize; 1517 PackageListNode->PackageListHdr.PackageLength += FontBlockSize + Ucs2FontBlockSize; 1518 1519 // 1520 // Increase the FontId to make it unique since we already add 1521 // a EFI_HII_SIBT_FONT block to this string package. 1522 // 1523 StringPackage->FontId++; 1524 } 1525 } 1526 1527 Done: 1528 if (!EFI_ERROR (Status) && NewStringPackageCreated) { 1529 // 1530 // Trigger any registered notification function for new string package 1531 // 1532 Status = InvokeRegisteredFunction ( 1533 Private, 1534 EFI_HII_DATABASE_NOTIFY_NEW_PACK, 1535 (VOID *) StringPackage, 1536 EFI_HII_PACKAGE_STRINGS, 1537 PackageList 1538 ); 1539 } 1540 1541 if (!EFI_ERROR (Status)) { 1542 // 1543 // Update MaxString Id to new StringId 1544 // 1545 for (Link = PackageListNode->StringPkgHdr.ForwardLink; 1546 Link != &PackageListNode->StringPkgHdr; 1547 Link = Link->ForwardLink 1548 ) { 1549 StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE); 1550 StringPackage->MaxStringId = *StringId; 1551 } 1552 } else if (NewStringPackageCreated) { 1553 // 1554 // Free the allocated new string Package when new string can't be added. 1555 // 1556 RemoveEntryList (&StringPackage->StringEntry); 1557 FreePool (StringPackage->StringBlock); 1558 FreePool (StringPackage->StringPkgHdr); 1559 FreePool (StringPackage); 1560 } 1561 1562 return Status; 1563 } 1564 1565 1566 /** 1567 This function retrieves the string specified by StringId which is associated 1568 with the specified PackageList in the language Language and copies it into 1569 the buffer specified by String. 1570 1571 @param This A pointer to the EFI_HII_STRING_PROTOCOL instance. 1572 @param Language Points to the language for the retrieved string. 1573 @param PackageList The package list in the HII database to search for 1574 the specified string. 1575 @param StringId The string's id, which is unique within 1576 PackageList. 1577 @param String Points to the new null-terminated string. 1578 @param StringSize On entry, points to the size of the buffer pointed 1579 to by String, in bytes. On return, points to the 1580 length of the string, in bytes. 1581 @param StringFontInfo If not NULL, points to the string's font 1582 information. It's caller's responsibility to free 1583 this buffer. 1584 1585 @retval EFI_SUCCESS The string was returned successfully. 1586 @retval EFI_NOT_FOUND The string specified by StringId is not available. 1587 @retval EFI_NOT_FOUND The string specified by StringId is available but 1588 not in the specified language. 1589 The specified PackageList is not in the database. 1590 @retval EFI_INVALID_LANGUAGE - The string specified by StringId is available but 1591 @retval EFI_BUFFER_TOO_SMALL The buffer specified by StringSize is too small to 1592 hold the string. 1593 @retval EFI_INVALID_PARAMETER The Language or StringSize was NULL. 1594 @retval EFI_INVALID_PARAMETER The value referenced by StringSize was not zero and String was NULL. 1595 @retval EFI_OUT_OF_RESOURCES There were insufficient resources to complete the 1596 request. 1597 1598 **/ 1599 EFI_STATUS 1600 EFIAPI 1601 HiiGetString ( 1602 IN CONST EFI_HII_STRING_PROTOCOL *This, 1603 IN CONST CHAR8 *Language, 1604 IN EFI_HII_HANDLE PackageList, 1605 IN EFI_STRING_ID StringId, 1606 OUT EFI_STRING String, 1607 IN OUT UINTN *StringSize, 1608 OUT EFI_FONT_INFO **StringFontInfo OPTIONAL 1609 ) 1610 { 1611 EFI_STATUS Status; 1612 LIST_ENTRY *Link; 1613 HII_DATABASE_PRIVATE_DATA *Private; 1614 HII_DATABASE_RECORD *DatabaseRecord; 1615 HII_DATABASE_PACKAGE_LIST_INSTANCE *PackageListNode; 1616 HII_STRING_PACKAGE_INSTANCE *StringPackage; 1617 1618 if (This == NULL || Language == NULL || StringId < 1 || StringSize == NULL || PackageList == NULL) { 1619 return EFI_INVALID_PARAMETER; 1620 } 1621 1622 if (String == NULL && *StringSize != 0) { 1623 return EFI_INVALID_PARAMETER; 1624 } 1625 1626 if (!IsHiiHandleValid (PackageList)) { 1627 return EFI_NOT_FOUND; 1628 } 1629 1630 Private = HII_STRING_DATABASE_PRIVATE_DATA_FROM_THIS (This); 1631 PackageListNode = NULL; 1632 1633 for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink) { 1634 DatabaseRecord = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE); 1635 if (DatabaseRecord->Handle == PackageList) { 1636 PackageListNode = DatabaseRecord->PackageList; 1637 break; 1638 } 1639 } 1640 1641 if (PackageListNode != NULL) { 1642 // 1643 // First search: to match the StringId in the specified language. 1644 // 1645 for (Link = PackageListNode->StringPkgHdr.ForwardLink; 1646 Link != &PackageListNode->StringPkgHdr; 1647 Link = Link->ForwardLink 1648 ) { 1649 StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE); 1650 if (HiiCompareLanguage (StringPackage->StringPkgHdr->Language, (CHAR8 *) Language)) { 1651 Status = GetStringWorker (Private, StringPackage, StringId, String, StringSize, StringFontInfo); 1652 if (Status != EFI_NOT_FOUND) { 1653 return Status; 1654 } 1655 } 1656 } 1657 // 1658 // Second search: to match the StringId in other available languages if exist. 1659 // 1660 for (Link = PackageListNode->StringPkgHdr.ForwardLink; 1661 Link != &PackageListNode->StringPkgHdr; 1662 Link = Link->ForwardLink 1663 ) { 1664 StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE); 1665 Status = GetStringWorker (Private, StringPackage, StringId, NULL, NULL, NULL); 1666 if (!EFI_ERROR (Status)) { 1667 return EFI_INVALID_LANGUAGE; 1668 } 1669 } 1670 } 1671 1672 return EFI_NOT_FOUND; 1673 } 1674 1675 1676 1677 /** 1678 This function updates the string specified by StringId in the specified PackageList to the text 1679 specified by String and, optionally, the font information specified by StringFontInfo. 1680 1681 @param This A pointer to the EFI_HII_STRING_PROTOCOL instance. 1682 @param PackageList The package list containing the strings. 1683 @param StringId The string's id, which is unique within 1684 PackageList. 1685 @param Language Points to the language for the updated string. 1686 @param String Points to the new null-terminated string. 1687 @param StringFontInfo Points to the string's font information or NULL if 1688 the string font information is not changed. 1689 1690 @retval EFI_SUCCESS The string was updated successfully. 1691 @retval EFI_NOT_FOUND The string specified by StringId is not in the 1692 database. 1693 @retval EFI_INVALID_PARAMETER The String or Language was NULL. 1694 @retval EFI_INVALID_PARAMETER The specified StringFontInfo does not exist in 1695 current database. 1696 @retval EFI_OUT_OF_RESOURCES The system is out of resources to accomplish the 1697 task. 1698 1699 **/ 1700 EFI_STATUS 1701 EFIAPI 1702 HiiSetString ( 1703 IN CONST EFI_HII_STRING_PROTOCOL *This, 1704 IN EFI_HII_HANDLE PackageList, 1705 IN EFI_STRING_ID StringId, 1706 IN CONST CHAR8 *Language, 1707 IN CONST EFI_STRING String, 1708 IN CONST EFI_FONT_INFO *StringFontInfo OPTIONAL 1709 ) 1710 { 1711 EFI_STATUS Status; 1712 LIST_ENTRY *Link; 1713 HII_DATABASE_PRIVATE_DATA *Private; 1714 HII_DATABASE_RECORD *DatabaseRecord; 1715 HII_DATABASE_PACKAGE_LIST_INSTANCE *PackageListNode; 1716 HII_STRING_PACKAGE_INSTANCE *StringPackage; 1717 UINT32 OldPackageLen; 1718 1719 if (This == NULL || Language == NULL || StringId < 1 || String == NULL || PackageList == NULL) { 1720 return EFI_INVALID_PARAMETER; 1721 } 1722 1723 if (!IsHiiHandleValid (PackageList)) { 1724 return EFI_NOT_FOUND; 1725 } 1726 1727 Private = HII_STRING_DATABASE_PRIVATE_DATA_FROM_THIS (This); 1728 PackageListNode = NULL; 1729 1730 for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink) { 1731 DatabaseRecord = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE); 1732 if (DatabaseRecord->Handle == PackageList) { 1733 PackageListNode = (HII_DATABASE_PACKAGE_LIST_INSTANCE *) (DatabaseRecord->PackageList); 1734 } 1735 } 1736 1737 if (PackageListNode != NULL) { 1738 for (Link = PackageListNode->StringPkgHdr.ForwardLink; 1739 Link != &PackageListNode->StringPkgHdr; 1740 Link = Link->ForwardLink 1741 ) { 1742 StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE); 1743 if (HiiCompareLanguage (StringPackage->StringPkgHdr->Language, (CHAR8 *) Language)) { 1744 OldPackageLen = StringPackage->StringPkgHdr->Header.Length; 1745 Status = SetStringWorker ( 1746 Private, 1747 StringPackage, 1748 StringId, 1749 (EFI_STRING) String, 1750 (EFI_FONT_INFO *) StringFontInfo 1751 ); 1752 if (EFI_ERROR (Status)) { 1753 return Status; 1754 } 1755 PackageListNode->PackageListHdr.PackageLength += StringPackage->StringPkgHdr->Header.Length - OldPackageLen; 1756 return EFI_SUCCESS; 1757 } 1758 } 1759 } 1760 1761 return EFI_NOT_FOUND; 1762 } 1763 1764 1765 1766 /** 1767 This function returns the list of supported languages, in the format specified 1768 in Appendix M of UEFI 2.1 spec. 1769 1770 @param This A pointer to the EFI_HII_STRING_PROTOCOL instance. 1771 @param PackageList The package list to examine. 1772 @param Languages Points to the buffer to hold the returned 1773 null-terminated ASCII string. 1774 @param LanguagesSize On entry, points to the size of the buffer pointed 1775 to by Languages, in bytes. On return, points to 1776 the length of Languages, in bytes. 1777 1778 @retval EFI_SUCCESS The languages were returned successfully. 1779 @retval EFI_INVALID_PARAMETER The LanguagesSize was NULL. 1780 @retval EFI_INVALID_PARAMETER The value referenced by LanguagesSize is not zero and Languages is NULL. 1781 @retval EFI_BUFFER_TOO_SMALL The LanguagesSize is too small to hold the list of 1782 supported languages. LanguageSize is updated to 1783 contain the required size. 1784 @retval EFI_NOT_FOUND Could not find string package in specified 1785 packagelist. 1786 1787 **/ 1788 EFI_STATUS 1789 EFIAPI 1790 HiiGetLanguages ( 1791 IN CONST EFI_HII_STRING_PROTOCOL *This, 1792 IN EFI_HII_HANDLE PackageList, 1793 IN OUT CHAR8 *Languages, 1794 IN OUT UINTN *LanguagesSize 1795 ) 1796 { 1797 LIST_ENTRY *Link; 1798 HII_DATABASE_PRIVATE_DATA *Private; 1799 HII_DATABASE_RECORD *DatabaseRecord; 1800 HII_DATABASE_PACKAGE_LIST_INSTANCE *PackageListNode; 1801 HII_STRING_PACKAGE_INSTANCE *StringPackage; 1802 UINTN ResultSize; 1803 1804 if (This == NULL || LanguagesSize == NULL || PackageList == NULL) { 1805 return EFI_INVALID_PARAMETER; 1806 } 1807 if (*LanguagesSize != 0 && Languages == NULL) { 1808 return EFI_INVALID_PARAMETER; 1809 } 1810 if (!IsHiiHandleValid (PackageList)) { 1811 return EFI_NOT_FOUND; 1812 } 1813 1814 Private = HII_STRING_DATABASE_PRIVATE_DATA_FROM_THIS (This); 1815 1816 PackageListNode = NULL; 1817 for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink) { 1818 DatabaseRecord = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE); 1819 if (DatabaseRecord->Handle == PackageList) { 1820 PackageListNode = DatabaseRecord->PackageList; 1821 break; 1822 } 1823 } 1824 if (PackageListNode == NULL) { 1825 return EFI_NOT_FOUND; 1826 } 1827 1828 // 1829 // Search the languages in the specified packagelist. 1830 // 1831 ResultSize = 0; 1832 for (Link = PackageListNode->StringPkgHdr.ForwardLink; 1833 Link != &PackageListNode->StringPkgHdr; 1834 Link = Link->ForwardLink 1835 ) { 1836 StringPackage = CR (Link, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE); 1837 ResultSize += AsciiStrSize (StringPackage->StringPkgHdr->Language); 1838 if (ResultSize <= *LanguagesSize) { 1839 AsciiStrCpyS (Languages, *LanguagesSize / sizeof (CHAR8), StringPackage->StringPkgHdr->Language); 1840 Languages += AsciiStrSize (StringPackage->StringPkgHdr->Language); 1841 *(Languages - 1) = L';'; 1842 } 1843 } 1844 if (ResultSize == 0) { 1845 return EFI_NOT_FOUND; 1846 } 1847 1848 if (*LanguagesSize < ResultSize) { 1849 *LanguagesSize = ResultSize; 1850 return EFI_BUFFER_TOO_SMALL; 1851 } 1852 1853 *(Languages - 1) = 0; 1854 return EFI_SUCCESS; 1855 } 1856 1857 1858 /** 1859 Each string package has associated with it a single primary language and zero 1860 or more secondary languages. This routine returns the secondary languages 1861 associated with a package list. 1862 1863 @param This A pointer to the EFI_HII_STRING_PROTOCOL instance. 1864 @param PackageList The package list to examine. 1865 @param PrimaryLanguage Points to the null-terminated ASCII string that specifies 1866 the primary language. Languages are specified in the 1867 format specified in Appendix M of the UEFI 2.0 specification. 1868 @param SecondaryLanguages Points to the buffer to hold the returned null-terminated 1869 ASCII string that describes the list of 1870 secondary languages for the specified 1871 PrimaryLanguage. If there are no secondary 1872 languages, the function returns successfully, but 1873 this is set to NULL. 1874 @param SecondaryLanguagesSize On entry, points to the size of the buffer pointed 1875 to by SecondaryLanguages, in bytes. On return, 1876 points to the length of SecondaryLanguages in bytes. 1877 1878 @retval EFI_SUCCESS Secondary languages were correctly returned. 1879 @retval EFI_INVALID_PARAMETER PrimaryLanguage or SecondaryLanguagesSize was NULL. 1880 @retval EFI_INVALID_PARAMETER The value referenced by SecondaryLanguagesSize is not 1881 zero and SecondaryLanguages is NULL. 1882 @retval EFI_BUFFER_TOO_SMALL The buffer specified by SecondaryLanguagesSize is 1883 too small to hold the returned information. 1884 SecondaryLanguageSize is updated to hold the size of 1885 the buffer required. 1886 @retval EFI_INVALID_LANGUAGE The language specified by PrimaryLanguage is not 1887 present in the specified package list. 1888 @retval EFI_NOT_FOUND The specified PackageList is not in the Database. 1889 1890 **/ 1891 EFI_STATUS 1892 EFIAPI 1893 HiiGetSecondaryLanguages ( 1894 IN CONST EFI_HII_STRING_PROTOCOL *This, 1895 IN EFI_HII_HANDLE PackageList, 1896 IN CONST CHAR8 *PrimaryLanguage, 1897 IN OUT CHAR8 *SecondaryLanguages, 1898 IN OUT UINTN *SecondaryLanguagesSize 1899 ) 1900 { 1901 LIST_ENTRY *Link; 1902 LIST_ENTRY *Link1; 1903 HII_DATABASE_PRIVATE_DATA *Private; 1904 HII_DATABASE_RECORD *DatabaseRecord; 1905 HII_DATABASE_PACKAGE_LIST_INSTANCE *PackageListNode; 1906 HII_STRING_PACKAGE_INSTANCE *StringPackage; 1907 CHAR8 *Languages; 1908 UINTN ResultSize; 1909 1910 if (This == NULL || PackageList == NULL || PrimaryLanguage == NULL || SecondaryLanguagesSize == NULL) { 1911 return EFI_INVALID_PARAMETER; 1912 } 1913 if (SecondaryLanguages == NULL && *SecondaryLanguagesSize != 0) { 1914 return EFI_INVALID_PARAMETER; 1915 } 1916 if (!IsHiiHandleValid (PackageList)) { 1917 return EFI_NOT_FOUND; 1918 } 1919 1920 Private = HII_STRING_DATABASE_PRIVATE_DATA_FROM_THIS (This); 1921 1922 PackageListNode = NULL; 1923 for (Link = Private->DatabaseList.ForwardLink; Link != &Private->DatabaseList; Link = Link->ForwardLink) { 1924 DatabaseRecord = CR (Link, HII_DATABASE_RECORD, DatabaseEntry, HII_DATABASE_RECORD_SIGNATURE); 1925 if (DatabaseRecord->Handle == PackageList) { 1926 PackageListNode = (HII_DATABASE_PACKAGE_LIST_INSTANCE *) (DatabaseRecord->PackageList); 1927 break; 1928 } 1929 } 1930 if (PackageListNode == NULL) { 1931 return EFI_NOT_FOUND; 1932 } 1933 1934 Languages = NULL; 1935 ResultSize = 0; 1936 for (Link1 = PackageListNode->StringPkgHdr.ForwardLink; 1937 Link1 != &PackageListNode->StringPkgHdr; 1938 Link1 = Link1->ForwardLink 1939 ) { 1940 StringPackage = CR (Link1, HII_STRING_PACKAGE_INSTANCE, StringEntry, HII_STRING_PACKAGE_SIGNATURE); 1941 if (HiiCompareLanguage (StringPackage->StringPkgHdr->Language, (CHAR8 *) PrimaryLanguage)) { 1942 Languages = StringPackage->StringPkgHdr->Language; 1943 // 1944 // Language is a series of ';' terminated strings, first one is primary 1945 // language and following with other secondary languages or NULL if no 1946 // secondary languages any more. 1947 // 1948 Languages = AsciiStrStr (Languages, ";"); 1949 if (Languages == NULL) { 1950 break; 1951 } 1952 Languages++; 1953 1954 ResultSize = AsciiStrSize (Languages); 1955 if (ResultSize <= *SecondaryLanguagesSize) { 1956 AsciiStrCpyS (SecondaryLanguages, *SecondaryLanguagesSize / sizeof (CHAR8), Languages); 1957 } else { 1958 *SecondaryLanguagesSize = ResultSize; 1959 return EFI_BUFFER_TOO_SMALL; 1960 } 1961 1962 return EFI_SUCCESS; 1963 } 1964 } 1965 1966 return EFI_INVALID_LANGUAGE; 1967 } 1968 1969 /** 1970 Converts the ascii character of the string from uppercase to lowercase. 1971 This is a internal function. 1972 1973 @param ConfigString String to be converted 1974 1975 **/ 1976 VOID 1977 EFIAPI 1978 AsciiHiiToLower ( 1979 IN CHAR8 *ConfigString 1980 ) 1981 { 1982 ASSERT (ConfigString != NULL); 1983 1984 // 1985 // Convert all hex digits in range [A-F] in the configuration header to [a-f] 1986 // 1987 for (; *ConfigString != '\0'; ConfigString++) { 1988 if ( *ConfigString >= 'A' && *ConfigString <= 'Z') { 1989 *ConfigString = (CHAR8) (*ConfigString - 'A' + 'a'); 1990 } 1991 } 1992 } 1993 1994 /** 1995 Compare whether two names of languages are identical. 1996 1997 @param Language1 Name of language 1 from StringPackage 1998 @param Language2 Name of language 2 to be compared with language 1. 1999 2000 @retval TRUE same 2001 @retval FALSE not same 2002 2003 **/ 2004 BOOLEAN 2005 HiiCompareLanguage ( 2006 IN CHAR8 *Language1, 2007 IN CHAR8 *Language2 2008 ) 2009 { 2010 UINTN Index; 2011 UINTN StrLen; 2012 CHAR8 *Lan1; 2013 CHAR8 *Lan2; 2014 2015 // 2016 // Convert to lower to compare. 2017 // 2018 StrLen = AsciiStrSize (Language1); 2019 Lan1 = AllocateZeroPool (StrLen); 2020 ASSERT (Lan1 != NULL); 2021 AsciiStrCpyS(Lan1, StrLen / sizeof (CHAR8), Language1); 2022 AsciiHiiToLower (Lan1); 2023 2024 StrLen = AsciiStrSize (Language2); 2025 Lan2 = AllocateZeroPool (StrLen); 2026 ASSERT (Lan2 != NULL); 2027 AsciiStrCpyS(Lan2, StrLen / sizeof (CHAR8), Language2); 2028 AsciiHiiToLower (Lan2); 2029 2030 // 2031 // Compare the Primary Language in Language1 to Language2 2032 // 2033 for (Index = 0; Lan1[Index] != 0 && Lan1[Index] != ';'; Index++) { 2034 if (Lan1[Index] != Lan2[Index]) { 2035 // 2036 // Return FALSE if any characters are different. 2037 // 2038 FreePool (Lan1); 2039 FreePool (Lan2); 2040 return FALSE; 2041 } 2042 } 2043 2044 FreePool (Lan1); 2045 FreePool (Lan2); 2046 2047 // 2048 // Only return TRUE if Language2[Index] is a Null-terminator which means 2049 // the Primary Language in Language1 is the same length as Language2. If 2050 // Language2[Index] is not a Null-terminator, then Language2 is longer than 2051 // the Primary Language in Language1, and FALSE must be returned. 2052 // 2053 return (BOOLEAN) (Language2[Index] == 0); 2054 } 2055
