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08e4b3cf | 1 | /** @file\r |
2 | Language related HII Library implementation.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2008, Intel Corporation<BR>\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | \r | |
16 | #include "InternalHiiLib.h"\r | |
17 | \r | |
18 | /**\r | |
19 | Get next language from language code list (with separator ';').\r | |
20 | \r | |
21 | If LangCode is NULL, then ASSERT.\r | |
22 | If Lang is NULL, then ASSERT.\r | |
23 | \r | |
24 | @param LangCode On input: point to first language in the list. On\r | |
25 | output: point to next language in the list, or\r | |
26 | NULL if no more language in the list.\r | |
27 | @param Lang The first language in the list.\r | |
28 | \r | |
29 | **/\r | |
30 | VOID\r | |
31 | EFIAPI\r | |
32 | HiiLibGetNextLanguage (\r | |
33 | IN OUT CHAR8 **LangCode,\r | |
34 | OUT CHAR8 *Lang\r | |
35 | )\r | |
36 | {\r | |
37 | UINTN Index;\r | |
38 | CHAR8 *StringPtr;\r | |
39 | \r | |
40 | ASSERT (LangCode != NULL);\r | |
41 | ASSERT (*LangCode != NULL);\r | |
42 | ASSERT (Lang != NULL);\r | |
43 | \r | |
44 | Index = 0;\r | |
45 | StringPtr = *LangCode;\r | |
46 | while (StringPtr[Index] != 0 && StringPtr[Index] != ';') {\r | |
47 | Index++;\r | |
48 | }\r | |
49 | \r | |
50 | CopyMem (Lang, StringPtr, Index);\r | |
51 | Lang[Index] = 0;\r | |
52 | \r | |
53 | if (StringPtr[Index] == ';') {\r | |
54 | Index++;\r | |
55 | }\r | |
56 | *LangCode = StringPtr + Index;\r | |
57 | }\r | |
58 | \r | |
59 | \r | |
60 | /**\r | |
61 | This function returns the list of supported languages, in the format specified\r | |
62 | in UEFI specification Appendix M.\r | |
63 | \r | |
64 | If HiiHandle is not a valid Handle in the default HII database, then ASSERT.\r | |
65 | \r | |
66 | @param HiiHandle The HII package list handle.\r | |
67 | \r | |
68 | @retval !NULL The supported languages.\r | |
69 | @retval NULL If Supported Languages can not be retrived.\r | |
70 | \r | |
71 | **/\r | |
72 | CHAR8 *\r | |
73 | EFIAPI\r | |
74 | HiiLibGetSupportedLanguages (\r | |
75 | IN EFI_HII_HANDLE HiiHandle\r | |
76 | )\r | |
77 | {\r | |
78 | EFI_STATUS Status;\r | |
79 | UINTN BufferSize;\r | |
80 | CHAR8 *LanguageString;\r | |
81 | \r | |
82 | ASSERT (IsHiiHandleRegistered (HiiHandle));\r | |
83 | //\r | |
84 | // Collect current supported Languages for given HII handle\r | |
85 | // First try allocate 4K buffer to store the current supported languages.\r | |
86 | //\r | |
87 | BufferSize = 0x1000;\r | |
88 | LanguageString = AllocateZeroPool (BufferSize);\r | |
89 | if (LanguageString == NULL) {\r | |
90 | return NULL;\r | |
91 | }\r | |
92 | \r | |
7e3bcccb | 93 | Status = gHiiString->GetLanguages (gHiiString, HiiHandle, LanguageString, &BufferSize);\r |
08e4b3cf | 94 | \r |
95 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
96 | FreePool (LanguageString);\r | |
97 | LanguageString = AllocateZeroPool (BufferSize);\r | |
98 | if (LanguageString == NULL) {\r | |
99 | return NULL;\r | |
100 | }\r | |
101 | \r | |
7e3bcccb | 102 | Status = gHiiString->GetLanguages (gHiiString, HiiHandle, LanguageString, &BufferSize);\r |
08e4b3cf | 103 | }\r |
104 | \r | |
105 | if (EFI_ERROR (Status)) {\r | |
106 | LanguageString = NULL;\r | |
107 | }\r | |
108 | \r | |
109 | return LanguageString;\r | |
110 | }\r | |
111 | \r | |
112 | \r | |
113 | /**\r | |
114 | This function returns the number of supported languages on HiiHandle.\r | |
115 | \r | |
116 | If HiiHandle is not a valid Handle in the default HII database, then ASSERT.\r | |
117 | If not enough resource to complete the operation, then ASSERT.\r | |
118 | \r | |
119 | @param HiiHandle The HII package list handle.\r | |
120 | \r | |
121 | @return The number of supported languages.\r | |
122 | \r | |
123 | **/\r | |
124 | UINT16\r | |
125 | EFIAPI\r | |
126 | HiiLibGetSupportedLanguageNumber (\r | |
127 | IN EFI_HII_HANDLE HiiHandle\r | |
128 | )\r | |
129 | {\r | |
130 | CHAR8 *Languages;\r | |
131 | CHAR8 *LanguageString;\r | |
132 | UINT16 LangNumber;\r | |
ea7cd3ec | 133 | CHAR8 *Lang;\r |
08e4b3cf | 134 | \r |
135 | Languages = HiiLibGetSupportedLanguages (HiiHandle);\r | |
136 | if (Languages == NULL) {\r | |
137 | return 0;\r | |
138 | }\r | |
139 | \r | |
140 | LangNumber = 0;\r | |
ea7cd3ec | 141 | Lang = AllocatePool (AsciiStrSize (Languages));\r |
142 | if (Lang != NULL) {\r | |
143 | LanguageString = Languages;\r | |
144 | while (*LanguageString != 0) {\r | |
145 | HiiLibGetNextLanguage (&LanguageString, Lang);\r | |
146 | LangNumber++;\r | |
147 | }\r | |
148 | \r | |
149 | FreePool (Lang);\r | |
08e4b3cf | 150 | }\r |
151 | FreePool (Languages);\r | |
152 | \r | |
153 | return LangNumber;\r | |
154 | }\r | |
155 | \r | |
156 | /**\r | |
157 | This function returns the list of supported 2nd languages, in the format specified\r | |
158 | in UEFI specification Appendix M.\r | |
159 | \r | |
160 | If HiiHandle is not a valid Handle in the default HII database, then ASSERT.\r | |
161 | If not enough resource to complete the operation, then ASSERT.\r | |
162 | \r | |
163 | @param HiiHandle The HII package list handle.\r | |
164 | @param FirstLanguage Pointer to language name buffer.\r | |
165 | \r | |
166 | @return The supported languages.\r | |
167 | \r | |
168 | **/\r | |
169 | CHAR8 *\r | |
170 | EFIAPI\r | |
171 | HiiLibGetSupportedSecondaryLanguages (\r | |
172 | IN EFI_HII_HANDLE HiiHandle,\r | |
173 | IN CONST CHAR8 *FirstLanguage\r | |
174 | )\r | |
175 | {\r | |
176 | EFI_STATUS Status;\r | |
177 | UINTN BufferSize;\r | |
178 | CHAR8 *LanguageString;\r | |
179 | \r | |
180 | ASSERT (HiiHandle != NULL);\r | |
181 | ASSERT (IsHiiHandleRegistered (HiiHandle));\r | |
182 | //\r | |
183 | // Collect current supported 2nd Languages for given HII handle\r | |
184 | // First try allocate 4K buffer to store the current supported 2nd languages.\r | |
185 | //\r | |
186 | BufferSize = 0x1000;\r | |
187 | LanguageString = AllocateZeroPool (BufferSize);\r | |
188 | if (LanguageString == NULL) {\r | |
189 | return NULL;\r | |
190 | }\r | |
191 | \r | |
7e3bcccb | 192 | Status = gHiiString->GetSecondaryLanguages (gHiiString, HiiHandle, FirstLanguage, LanguageString, &BufferSize);\r |
08e4b3cf | 193 | \r |
194 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
195 | FreePool (LanguageString);\r | |
196 | LanguageString = AllocateZeroPool (BufferSize);\r | |
197 | if (LanguageString == NULL) {\r | |
198 | return NULL;\r | |
199 | }\r | |
200 | \r | |
7e3bcccb | 201 | Status = gHiiString->GetSecondaryLanguages (gHiiString, HiiHandle, FirstLanguage, LanguageString, &BufferSize);\r |
08e4b3cf | 202 | }\r |
203 | \r | |
204 | if (EFI_ERROR (Status)) {\r | |
205 | LanguageString = NULL;\r | |
206 | }\r | |
207 | \r | |
208 | return LanguageString;\r | |
209 | }\r | |
210 | \r | |
211 | \r | |
11e92503 | 212 | \r |