Nt32Pkg/PlatformBdsDxe/Generic/Language.c

   1 /*++
   2
   3 Copyright (c) 2006 - 2007, 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 //
  25 // Include common header file for this module.
  26 //
  27 #include "CommonHeader.h"
  28
  29 #include "String.h"
  30 #include "Language.h"
  31
  32 #define NARROW_GLYPH_NUMBER 8
  33 #define WIDE_GLYPH_NUMBER   75
  34
  35 //
  36 // Default language code, currently is English
  37 //
  38 CHAR8 *mDefaultLangCode = "eng";
  39
  40 typedef struct {
  41   EFI_HII_FONT_PACK FixedLength;
  42   EFI_NARROW_GLYPH  NarrowArray[NARROW_GLYPH_NUMBER];
  43   EFI_WIDE_GLYPH    WideArray[WIDE_GLYPH_NUMBER];
  44 } FONT_PACK;
  45
  46 FONT_PACK mFontPack = {
  47   sizeof (EFI_HII_FONT_PACK) + (NARROW_GLYPH_NUMBER * sizeof (EFI_NARROW_GLYPH)) + (WIDE_GLYPH_NUMBER * sizeof (EFI_WIDE_GLYPH)),
  48   EFI_HII_FONT,
  49   NARROW_GLYPH_NUMBER,
  50   WIDE_GLYPH_NUMBER,
  51   {     // Narrow Glyphs
  52     {
  53       0x05d0,
  54       0x00,
  55       {
  56         0x00,
  57         0x00,
  58         0x00,
  59         0x4E,
  60         0x6E,
  61         0x62,
  62         0x32,
  63         0x32,
  64         0x3C,
  65         0x68,
  66         0x4C,
  67         0x4C,
  68         0x46,
  69         0x76,
  70         0x72,
  71         0x00,
  72         0x00,
  73         0x00,
  74         0x00
  75       }
  76     },
  77     {
  78       0x05d1,
  79       0x00,
  80       {
  81         0x00,
  82         0x00,
  83         0x00,
  84         0x78,
  85         0x7C,
  86         0x0C,
  87         0x0C,
  88         0x0C,
  89         0x0C,
  90         0x0C,
  91         0x0C,
  92         0x0C,
  93         0x0C,
  94         0x7E,
  95         0x7E,
  96         0x00,
  97         0x00,
  98         0x00,
  99         0x00
 100       }
 101     },
 102     {
 103       0x05d2,
 104       0x00,
 105       {
 106         0x00,
 107         0x00,
 108         0x00,
 109         0x78,
 110         0x7C,
 111         0x0C,
 112         0x0C,
 113         0x0C,
 114         0x0C,
 115         0x0C,
 116         0x0C,
 117         0x1C,
 118         0x3E,
 119         0x66,
 120         0x66,
 121         0x00,
 122         0x00,
 123         0x00,
 124         0x00
 125       }
 126     },
 127     {
 128       0x05d3,
 129       0x00,
 130       {
 131         0x00,
 132         0x00,
 133         0x00,
 134         0x7E,
 135         0x7E,
 136         0x0C,
 137         0x0C,
 138         0x0C,
 139         0x0C,
 140         0x0C,
 141         0x0C,
 142         0x0C,
 143         0x0C,
 144         0x0C,
 145         0x0C,
 146         0x00,
 147         0x00,
 148         0x00,
 149         0x00
 150       }
 151     },
 152     {
 153       0x05d4,
 154       0x00,
 155       {
 156         0x00,
 157         0x00,
 158         0x00,
 159         0x7C,
 160         0x7E,
 161         0x06,
 162         0x06,
 163         0x06,
 164         0x06,
 165         0x66,
 166         0x66,
 167         0x66,
 168         0x66,
 169         0x66,
 170         0x66,
 171         0x00,
 172         0x00,
 173         0x00,
 174         0x00
 175       }
 176     },
 177     {
 178       0x05d5,
 179       0x00,
 180       {
 181         0x00,
 182         0x00,
 183         0x00,
 184         0x3C,
 185         0x3C,
 186         0x0C,
 187         0x0C,
 188         0x0C,
 189         0x0C,
 190         0x0C,
 191         0x0C,
 192         0x0C,
 193         0x0C,
 194         0x0C,
 195         0x0C,
 196         0x00,
 197         0x00,
 198         0x00,
 199         0x00
 200       }
 201     },
 202     {
 203       0x05d6,
 204       0x00,
 205       {
 206         0x00,
 207         0x00,
 208         0x00,
 209         0x38,
 210         0x38,
 211         0x1E,
 212         0x1E,
 213         0x18,
 214         0x18,
 215         0x18,
 216         0x18,
 217         0x18,
 218         0x18,
 219         0x18,
 220         0x18,
 221         0x00,
 222         0x00,
 223         0x00,
 224         0x00
 225       }
 226     },
 227     {
 228       0x0000,
 229       0x00,
 230       {
 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         0x00,
 246         0x00,
 247         0x00,
 248         0x00,
 249         0x00
 250       }
 251     }
 252   },
 253   {     // Wide Glyphs
 254     {
 255       0x0020,
 256       0x00,
 257       {
 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         0x00,
 273         0x00,
 274         0x00,
 275         0x00,
 276         0x00
 277       },
 278       {
 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         0x00,
 294         0x00,
 295         0x00,
 296         0x00,
 297         0x00
 298       },
 299       {
 300         0x00,
 301         0x00,
 302         0x00
 303       }
 304     },  //
 305   }
 306 };
 307
 308 VOID
 309 ExportFonts (
 310   VOID
 311   )
 312 /*++
 313
 314 Routine Description:
 315   Routine to export glyphs to the HII database.  This is in addition to whatever is defined in the Graphics Console driver.
 316
 317 Arguments:
 318   None
 319
 320 Returns:
 321
 322 --*/
 323 {
 324   EFI_HII_HANDLE    HiiHandle;
 325   EFI_HII_PACKAGES  *PackageList;
 326
 327   PackageList = PreparePackages (1, NULL, &mFontPack);
 328   //
 329   // Register our Fonts into the global database
 330   //
 331   HiiHandle = 0;
 332   Hii->NewPack (Hii, PackageList, &HiiHandle);
 333
 334   FreePool (PackageList);
 335 }
 336
 337 VOID
 338 InitializeLanguage (
 339   BOOLEAN LangCodesSettingRequired
 340   )
 341 /*++
 342
 343 Routine Description:
 344   Determine the current language that will be used
 345   based on language related EFI Variables
 346
 347 Arguments:
 348   LangCodesSettingRequired - If required to set LangCode variable
 349
 350 Returns:
 351
 352 --*/
 353 {
 354   EFI_STATUS  Status;
 355   UINTN       Index;
 356   UINTN       Size;
 357   CHAR8       LangCode[ISO_639_2_ENTRY_SIZE];
 358   CHAR8       *LangCodes;
 359   CHAR16      *LanguageString;
 360
 361   LanguageString  = NULL;
 362   LangCodes       = NULL;
 363
 364   ExportFonts ();
 365
 366   //
 367   // Collect the languages from what our current Language support is based on our VFR
 368   //
 369   Hii->GetPrimaryLanguages (Hii, gStringPackHandle, &LanguageString);
 370
 371   LangCodes = AllocatePool (StrLen (LanguageString));
 372   ASSERT (LangCodes);
 373
 374   //
 375   // Convert LanguageString from Unicode to EFI defined ASCII LangCodes
 376   //
 377   for (Index = 0; LanguageString[Index] != 0x0000; Index++) {
 378     LangCodes[Index] = (CHAR8) LanguageString[Index];
 379   }
 380
 381   LangCodes[Index] = 0;
 382
 383   if (LangCodesSettingRequired) {
 384     Status = gRT->SetVariable (
 385                     L"LangCodes",
 386                     &gEfiGlobalVariableGuid,
 387                     EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
 388                     AsciiStrLen (LangCodes),
 389                     LangCodes
 390                     );
 391   }
 392   //
 393   // Find current LangCode from Lang NV Variable
 394   //
 395   Size = ISO_639_2_ENTRY_SIZE;
 396   Status = gRT->GetVariable (
 397                   L"Lang",
 398                   &gEfiGlobalVariableGuid,
 399                   NULL,
 400                   &Size,
 401                   &LangCode
 402                   );
 403
 404   if (!EFI_ERROR (Status)) {
 405     Status = EFI_NOT_FOUND;
 406     for (Index = 0; LangCodes[Index] != 0; Index += ISO_639_2_ENTRY_SIZE) {
 407       if (CompareMem (&LangCodes[Index], LangCode, ISO_639_2_ENTRY_SIZE) == 0) {
 408         Status = EFI_SUCCESS;
 409         break;
 410       }
 411     }
 412   }
 413   //
 414   // If we cannot get language code from Lang variable,
 415   // or LangCode cannot be found from language table,
 416   // set the mDefaultLangCode to Lang variable.
 417   //
 418   if (EFI_ERROR (Status)) {
 419     Status = gRT->SetVariable (
 420                     L"Lang",
 421                     &gEfiGlobalVariableGuid,
 422                     EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
 423                     ISO_639_2_ENTRY_SIZE,
 424                     mDefaultLangCode
 425                     );
 426   }
 427
 428   if (LangCodes) {
 429     FreePool (LangCodes);
 430   }
 431
 432   if (LanguageString != NULL) {
 433     FreePool (LanguageString);
 434   }
 435
 436 }