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bc11b829 | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006 - 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 | language.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Language settings\r | |
19 | \r | |
20 | Revision History\r | |
21 | \r | |
22 | --*/\r | |
23 | \r | |
24 | //\r | |
25 | // Include common header file for this module.\r | |
26 | //\r | |
27 | #include "CommonHeader.h"\r | |
28 | \r | |
06335580 | 29 | #include "BdsString.h"\r |
bc11b829 | 30 | #include "Language.h"\r |
31 | \r | |
bc11b829 | 32 | //\r |
33 | // Default language code, currently is English\r | |
34 | //\r | |
35 | CHAR8 *mDefaultLangCode = "eng";\r | |
36 | \r | |
bc11b829 | 37 | \r |
38 | VOID\r | |
39 | InitializeLanguage (\r | |
40 | BOOLEAN LangCodesSettingRequired\r | |
41 | )\r | |
42 | /*++\r | |
43 | \r | |
44 | Routine Description:\r | |
45 | Determine the current language that will be used\r | |
46 | based on language related EFI Variables\r | |
47 | \r | |
48 | Arguments:\r | |
49 | LangCodesSettingRequired - If required to set LangCode variable\r | |
50 | \r | |
51 | Returns:\r | |
52 | \r | |
53 | --*/\r | |
54 | {\r | |
55 | EFI_STATUS Status;\r | |
56 | UINTN Index;\r | |
57 | UINTN Size;\r | |
58 | CHAR8 LangCode[ISO_639_2_ENTRY_SIZE];\r | |
59 | CHAR8 *LangCodes;\r | |
60 | CHAR16 *LanguageString;\r | |
61 | \r | |
62 | LanguageString = NULL;\r | |
63 | LangCodes = NULL;\r | |
64 | \r | |
bc11b829 | 65 | //\r |
66 | // Collect the languages from what our current Language support is based on our VFR\r | |
67 | //\r | |
d1477e4d | 68 | gHii->GetPrimaryLanguages (gHii, gStringPackHandle, &LanguageString);\r |
bc11b829 | 69 | \r |
70 | LangCodes = AllocatePool (StrLen (LanguageString));\r | |
71 | ASSERT (LangCodes);\r | |
72 | \r | |
73 | //\r | |
74 | // Convert LanguageString from Unicode to EFI defined ASCII LangCodes\r | |
75 | //\r | |
76 | for (Index = 0; LanguageString[Index] != 0x0000; Index++) {\r | |
77 | LangCodes[Index] = (CHAR8) LanguageString[Index];\r | |
78 | }\r | |
79 | \r | |
80 | LangCodes[Index] = 0;\r | |
81 | \r | |
82 | if (LangCodesSettingRequired) {\r | |
83 | Status = gRT->SetVariable (\r | |
84 | L"LangCodes",\r | |
85 | &gEfiGlobalVariableGuid,\r | |
86 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
87 | AsciiStrLen (LangCodes),\r | |
88 | LangCodes\r | |
89 | );\r | |
90 | }\r | |
91 | //\r | |
92 | // Find current LangCode from Lang NV Variable\r | |
93 | //\r | |
94 | Size = ISO_639_2_ENTRY_SIZE;\r | |
95 | Status = gRT->GetVariable (\r | |
96 | L"Lang",\r | |
97 | &gEfiGlobalVariableGuid,\r | |
98 | NULL,\r | |
99 | &Size,\r | |
100 | &LangCode\r | |
101 | );\r | |
102 | \r | |
103 | if (!EFI_ERROR (Status)) {\r | |
104 | Status = EFI_NOT_FOUND;\r | |
105 | for (Index = 0; LangCodes[Index] != 0; Index += ISO_639_2_ENTRY_SIZE) {\r | |
106 | if (CompareMem (&LangCodes[Index], LangCode, ISO_639_2_ENTRY_SIZE) == 0) {\r | |
107 | Status = EFI_SUCCESS;\r | |
108 | break;\r | |
109 | }\r | |
110 | }\r | |
111 | }\r | |
112 | //\r | |
113 | // If we cannot get language code from Lang variable,\r | |
114 | // or LangCode cannot be found from language table,\r | |
115 | // set the mDefaultLangCode to Lang variable.\r | |
116 | //\r | |
117 | if (EFI_ERROR (Status)) {\r | |
118 | Status = gRT->SetVariable (\r | |
119 | L"Lang",\r | |
120 | &gEfiGlobalVariableGuid,\r | |
121 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
122 | ISO_639_2_ENTRY_SIZE,\r | |
123 | mDefaultLangCode\r | |
124 | );\r | |
125 | }\r | |
126 | \r | |
127 | if (LangCodes) {\r | |
128 | FreePool (LangCodes);\r | |
129 | }\r | |
130 | \r | |
131 | if (LanguageString != NULL) {\r | |
132 | FreePool (LanguageString);\r | |
133 | }\r | |
134 | \r | |
135 | }\r |