1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/** @file
Language related HII Library implementation.
Copyright (c) 2006 - 2008, Intel Corporation<BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "InternalHiiLib.h"
/**
Get next language from language code list (with separator ';').
If LangCode is NULL, then ASSERT.
If Lang is NULL, then ASSERT.
@param LangCode On input: point to first language in the list. On
output: point to next language in the list, or
NULL if no more language in the list.
@param Lang The first language in the list.
**/
VOID
EFIAPI
HiiLibGetNextLanguage (
IN OUT CHAR8 **LangCode,
OUT CHAR8 *Lang
)
{
UINTN Index;
CHAR8 *StringPtr;
ASSERT (LangCode != NULL);
ASSERT (*LangCode != NULL);
ASSERT (Lang != NULL);
Index = 0;
StringPtr = *LangCode;
while (StringPtr[Index] != 0 && StringPtr[Index] != ';') {
Index++;
}
CopyMem (Lang, StringPtr, Index);
Lang[Index] = 0;
if (StringPtr[Index] == ';') {
Index++;
}
*LangCode = StringPtr + Index;
}
/**
This function returns the list of supported languages, in the format specified
in UEFI specification Appendix M.
If HiiHandle is not a valid Handle in the default HII database, then ASSERT.
@param HiiHandle The HII package list handle.
@retval !NULL The supported languages.
@retval NULL If Supported Languages can not be retrived.
**/
CHAR8 *
EFIAPI
HiiLibGetSupportedLanguages (
IN EFI_HII_HANDLE HiiHandle
)
{
EFI_STATUS Status;
UINTN BufferSize;
CHAR8 *LanguageString;
ASSERT (IsHiiHandleRegistered (HiiHandle));
//
// Collect current supported Languages for given HII handle
// First try allocate 4K buffer to store the current supported languages.
//
BufferSize = 0x1000;
LanguageString = AllocateZeroPool (BufferSize);
if (LanguageString == NULL) {
return NULL;
}
Status = mHiiStringProt->GetLanguages (mHiiStringProt, HiiHandle, LanguageString, &BufferSize);
if (Status == EFI_BUFFER_TOO_SMALL) {
FreePool (LanguageString);
LanguageString = AllocateZeroPool (BufferSize);
if (LanguageString == NULL) {
return NULL;
}
Status = mHiiStringProt->GetLanguages (mHiiStringProt, HiiHandle, LanguageString, &BufferSize);
}
if (EFI_ERROR (Status)) {
LanguageString = NULL;
}
return LanguageString;
}
/**
This function returns the number of supported languages on HiiHandle.
If HiiHandle is not a valid Handle in the default HII database, then ASSERT.
If not enough resource to complete the operation, then ASSERT.
@param HiiHandle The HII package list handle.
@return The number of supported languages.
**/
UINT16
EFIAPI
HiiLibGetSupportedLanguageNumber (
IN EFI_HII_HANDLE HiiHandle
)
{
CHAR8 *Languages;
CHAR8 *LanguageString;
UINT16 LangNumber;
CHAR8 Lang[RFC_3066_ENTRY_SIZE];
Languages = HiiLibGetSupportedLanguages (HiiHandle);
if (Languages == NULL) {
return 0;
}
LangNumber = 0;
LanguageString = Languages;
while (*LanguageString != 0) {
HiiLibGetNextLanguage (&LanguageString, Lang);
LangNumber++;
}
FreePool (Languages);
return LangNumber;
}
/**
This function returns the list of supported 2nd languages, in the format specified
in UEFI specification Appendix M.
If HiiHandle is not a valid Handle in the default HII database, then ASSERT.
If not enough resource to complete the operation, then ASSERT.
@param HiiHandle The HII package list handle.
@param FirstLanguage Pointer to language name buffer.
@return The supported languages.
**/
CHAR8 *
EFIAPI
HiiLibGetSupportedSecondaryLanguages (
IN EFI_HII_HANDLE HiiHandle,
IN CONST CHAR8 *FirstLanguage
)
{
EFI_STATUS Status;
UINTN BufferSize;
CHAR8 *LanguageString;
ASSERT (HiiHandle != NULL);
ASSERT (IsHiiHandleRegistered (HiiHandle));
//
// Collect current supported 2nd Languages for given HII handle
// First try allocate 4K buffer to store the current supported 2nd languages.
//
BufferSize = 0x1000;
LanguageString = AllocateZeroPool (BufferSize);
if (LanguageString == NULL) {
return NULL;
}
Status = mHiiStringProt->GetSecondaryLanguages (mHiiStringProt, HiiHandle, FirstLanguage, LanguageString, &BufferSize);
if (Status == EFI_BUFFER_TOO_SMALL) {
FreePool (LanguageString);
LanguageString = AllocateZeroPool (BufferSize);
if (LanguageString == NULL) {
return NULL;
}
Status = mHiiStringProt->GetSecondaryLanguages (mHiiStringProt, HiiHandle, FirstLanguage, LanguageString, &BufferSize);
}
if (EFI_ERROR (Status)) {
LanguageString = NULL;
}
return LanguageString;
}
|
