EdkNt32Pkg/Dxe/PlatformBds/Generic/Language.c

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   language.c
  15
  16 Abstract:
  17
  18  Language settings
  19
  20 Revision History
  21
  22 --*/
  23
  24 #include "String.h"
  25 #include "Language.h"
  26
  27 #define NARROW_GLYPH_NUMBER 8
  28 #define WIDE_GLYPH_NUMBER   75
  29
  30 //
  31 // Default language code, currently is English
  32 //
  33 CHAR8 *mDefaultLangCode = "eng";
  34
  35 typedef struct {
  36   EFI_HII_FONT_PACK FixedLength;
  37   EFI_NARROW_GLYPH  NarrowArray[NARROW_GLYPH_NUMBER];
  38   EFI_WIDE_GLYPH    WideArray[WIDE_GLYPH_NUMBER];
  39 } FONT_PACK;
  40
  41 FONT_PACK mFontPack = {
  42   sizeof (EFI_HII_FONT_PACK) + (NARROW_GLYPH_NUMBER * sizeof (EFI_NARROW_GLYPH)) + (WIDE_GLYPH_NUMBER * sizeof (EFI_WIDE_GLYPH)),
  43   EFI_HII_FONT,
  44   NARROW_GLYPH_NUMBER,
  45   WIDE_GLYPH_NUMBER,
  46   {     // Narrow Glyphs
  47     {
  48       0x05d0,
  49       0x00,
  50       {
  51         0x00,
  52         0x00,
  53         0x00,
  54         0x4E,
  55         0x6E,
  56         0x62,
  57         0x32,
  58         0x32,
  59         0x3C,
  60         0x68,
  61         0x4C,
  62         0x4C,
  63         0x46,
  64         0x76,
  65         0x72,
  66         0x00,
  67         0x00,
  68         0x00,
  69         0x00
  70       }
  71     },
  72     {
  73       0x05d1,
  74       0x00,
  75       {
  76         0x00,
  77         0x00,
  78         0x00,
  79         0x78,
  80         0x7C,
  81         0x0C,
  82         0x0C,
  83         0x0C,
  84         0x0C,
  85         0x0C,
  86         0x0C,
  87         0x0C,
  88         0x0C,
  89         0x7E,
  90         0x7E,
  91         0x00,
  92         0x00,
  93         0x00,
  94         0x00
  95       }
  96     },
  97     {
  98       0x05d2,
  99       0x00,
 100       {
 101         0x00,
 102         0x00,
 103         0x00,
 104         0x78,
 105         0x7C,
 106         0x0C,
 107         0x0C,
 108         0x0C,
 109         0x0C,
 110         0x0C,
 111         0x0C,
 112         0x1C,
 113         0x3E,
 114         0x66,
 115         0x66,
 116         0x00,
 117         0x00,
 118         0x00,
 119         0x00
 120       }
 121     },
 122     {
 123       0x05d3,
 124       0x00,
 125       {
 126         0x00,
 127         0x00,
 128         0x00,
 129         0x7E,
 130         0x7E,
 131         0x0C,
 132         0x0C,
 133         0x0C,
 134         0x0C,
 135         0x0C,
 136         0x0C,
 137         0x0C,
 138         0x0C,
 139         0x0C,
 140         0x0C,
 141         0x00,
 142         0x00,
 143         0x00,
 144         0x00
 145       }
 146     },
 147     {
 148       0x05d4,
 149       0x00,
 150       {
 151         0x00,
 152         0x00,
 153         0x00,
 154         0x7C,
 155         0x7E,
 156         0x06,
 157         0x06,
 158         0x06,
 159         0x06,
 160         0x66,
 161         0x66,
 162         0x66,
 163         0x66,
 164         0x66,
 165         0x66,
 166         0x00,
 167         0x00,
 168         0x00,
 169         0x00
 170       }
 171     },
 172     {
 173       0x05d5,
 174       0x00,
 175       {
 176         0x00,
 177         0x00,
 178         0x00,
 179         0x3C,
 180         0x3C,
 181         0x0C,
 182         0x0C,
 183         0x0C,
 184         0x0C,
 185         0x0C,
 186         0x0C,
 187         0x0C,
 188         0x0C,
 189         0x0C,
 190         0x0C,
 191         0x00,
 192         0x00,
 193         0x00,
 194         0x00
 195       }
 196     },
 197     {
 198       0x05d6,
 199       0x00,
 200       {
 201         0x00,
 202         0x00,
 203         0x00,
 204         0x38,
 205         0x38,
 206         0x1E,
 207         0x1E,
 208         0x18,
 209         0x18,
 210         0x18,
 211         0x18,
 212         0x18,
 213         0x18,
 214         0x18,
 215         0x18,
 216         0x00,
 217         0x00,
 218         0x00,
 219         0x00
 220       }
 221     },
 222     {
 223       0x0000,
 224       0x00,
 225       {
 226         0x00,
 227         0x00,
 228         0x00,
 229         0x00,
 230         0x00,
 231         0x00,
 232         0x00,
 233         0x00,
 234         0x00,
 235         0x00,
 236         0x00,
 237         0x00,
 238         0x00,
 239         0x00,
 240         0x00,
 241         0x00,
 242         0x00,
 243         0x00,
 244         0x00
 245       }
 246     }
 247   },
 248   {     // Wide Glyphs
 249     {
 250       0x0020,
 251       0x00,
 252       {
 253         0x00,
 254         0x00,
 255         0x00,
 256         0x00,
 257         0x00,
 258         0x00,
 259         0x00,
 260         0x00,
 261         0x00,
 262         0x00,
 263         0x00,
 264         0x00,
 265         0x00,
 266         0x00,
 267         0x00,
 268         0x00,
 269         0x00,
 270         0x00,
 271         0x00
 272       },
 273       {
 274         0x00,
 275         0x00,
 276         0x00,
 277         0x00,
 278         0x00,
 279         0x00,
 280         0x00,
 281         0x00,
 282         0x00,
 283         0x00,
 284         0x00,
 285         0x00,
 286         0x00,
 287         0x00,
 288         0x00,
 289         0x00,
 290         0x00,
 291         0x00,
 292         0x00
 293       },
 294       {
 295         0x00,
 296         0x00,
 297         0x00
 298       }
 299     },  //
 300   }
 301 };
 302
 303 VOID
 304 ExportFonts (
 305   VOID
 306   )
 307 /*++
 308
 309 Routine Description:
 310   Routine to export glyphs to the HII database.  This is in addition to whatever is defined in the Graphics Console driver.
 311
 312 Arguments:
 313   None
 314
 315 Returns:
 316
 317 --*/
 318 {
 319   EFI_HII_HANDLE    HiiHandle;
 320   EFI_HII_PACKAGES  *PackageList;
 321
 322   PackageList = PreparePackages (1, NULL, &mFontPack);
 323   //
 324   // Register our Fonts into the global database
 325   //
 326   HiiHandle = 0;
 327   Hii->NewPack (Hii, PackageList, &HiiHandle);
 328
 329   gBS->FreePool (PackageList);
 330 }
 331
 332 VOID
 333 InitializeLanguage (
 334   BOOLEAN LangCodesSettingRequired
 335   )
 336 /*++
 337
 338 Routine Description:
 339   Determine the current language that will be used
 340   based on language related EFI Variables
 341
 342 Arguments:
 343   LangCodesSettingRequired - If required to set LangCode variable
 344
 345 Returns:
 346
 347 --*/
 348 {
 349   EFI_STATUS  Status;
 350   UINTN       Index;
 351   UINTN       Size;
 352   CHAR8       LangCode[ISO_639_2_ENTRY_SIZE];
 353   CHAR8       *LangCodes;
 354   CHAR16      *LanguageString;
 355
 356   LanguageString  = NULL;
 357   LangCodes       = NULL;
 358
 359   ExportFonts ();
 360
 361   //
 362   // Collect the languages from what our current Language support is based on our VFR
 363   //
 364   Hii->GetPrimaryLanguages (Hii, gStringPackHandle, &LanguageString);
 365
 366   LangCodes = AllocatePool (StrLen (LanguageString));
 367   ASSERT (LangCodes);
 368
 369   //
 370   // Convert LanguageString from Unicode to EFI defined ASCII LangCodes
 371   //
 372   for (Index = 0; LanguageString[Index] != 0x0000; Index++) {
 373     LangCodes[Index] = (CHAR8) LanguageString[Index];
 374   }
 375
 376   LangCodes[Index] = 0;
 377
 378   if (LangCodesSettingRequired) {
 379     Status = gRT->SetVariable (
 380                     L"LangCodes",
 381                     &gEfiGlobalVariableGuid,
 382                     EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
 383                     AsciiStrLen (LangCodes),
 384                     LangCodes
 385                     );
 386   }
 387   //
 388   // Find current LangCode from Lang NV Variable
 389   //
 390   Size = ISO_639_2_ENTRY_SIZE;
 391   Status = gRT->GetVariable (
 392                   L"Lang",
 393                   &gEfiGlobalVariableGuid,
 394                   NULL,
 395                   &Size,
 396                   &LangCode
 397                   );
 398
 399   if (!EFI_ERROR (Status)) {
 400     Status = EFI_NOT_FOUND;
 401     for (Index = 0; LangCodes[Index] != 0; Index += ISO_639_2_ENTRY_SIZE) {
 402       if (CompareMem (&LangCodes[Index], LangCode, ISO_639_2_ENTRY_SIZE) == 0) {
 403         Status = EFI_SUCCESS;
 404         break;
 405       }
 406     }
 407   }
 408   //
 409   // If we cannot get language code from Lang variable,
 410   // or LangCode cannot be found from language table,
 411   // set the mDefaultLangCode to Lang variable.
 412   //
 413   if (EFI_ERROR (Status)) {
 414     Status = gRT->SetVariable (
 415                     L"Lang",
 416                     &gEfiGlobalVariableGuid,
 417                     EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
 418                     ISO_639_2_ENTRY_SIZE,
 419                     mDefaultLangCode
 420                     );
 421   }
 422
 423   if (LangCodes) {
 424     gBS->FreePool (LangCodes);
 425   }
 426
 427   if (LanguageString != NULL) {
 428     gBS->FreePool (LanguageString);
 429   }
 430
 431 }