alder_lake_bios/Insyde/InsydeModulePkg/Library/SetupUtilityLib/Main/Language.c

118 lines
3.2 KiB
C

/** @file
The language supported code for setup utility use
;******************************************************************************
;* Copyright (c) 2012 - 2020, Insyde Software Corp. All Rights Reserved.
;*
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
;* transmit, broadcast, present, recite, release, license or otherwise exploit
;* any part of this publication in any form, by any means, without the prior
;* written permission of Insyde Software Corporation.
;*
;******************************************************************************
*/
#include "SetupUtilityLibCommon.h"
/**
According input data to update the language selectable item to suitable language
@param This Point to Form Callback protocol instance.
@param Data Point to input language string data
@retval EFI_SUCCESS Function has completed successfully.
@return Other Set "PlatformLang" variable to save current language setting failed
**/
EFI_STATUS
UpdateLangItem (
IN const EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN UINT8 *Data
)
{
EFI_STATUS Status;
UINTN Index;
UINT8 *LanguageString;
UINTN LangNum;
LanguageString = NULL;
GetLangDatabase (
&LangNum,
&LanguageString
);
if (Data != NULL) {
Index = *Data;
} else {
Index = 0;
}
Status = CommonSetVariable (
L"PlatformLang",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
AsciiStrSize (((CHAR8 *)&LanguageString[Index * RFC_3066_ENTRY_SIZE])),
&LanguageString[Index * RFC_3066_ENTRY_SIZE]
);
FreePool (LanguageString);
return Status;
}
/**
Based on input string, get the index value of SCU language item.
@param[in] LangStr Point to language string
@param[out] LangIndex Point to the index value of SCU language item
@retval EFI_SUCCESS Get the index value of SCU language item successfully.
@retval EFI_INVALID_PARAMETER Input parameter is NULL.
@retval EFI_NOT_FOUND Can not get the index value with corresponding language string.
@return Other Fail to get support language from database.
**/
EFI_STATUS
GetLangIndex (
IN CHAR8 *LangStr,
OUT UINT8 *LangIndex
)
{
EFI_STATUS Status;
UINTN Index;
CHAR8 *SupportLangStr;
UINTN SupportLangNum;
if (LangStr == NULL || LangIndex == NULL) {
return EFI_INVALID_PARAMETER;
}
SupportLangNum = 0;
SupportLangStr = NULL;
Status = GetLangDatabase (
&SupportLangNum,
(UINT8 **) &SupportLangStr
);
if (EFI_ERROR (Status)) {
return Status;
}
for (Index = 0; Index < SupportLangNum; Index++) {
if (AsciiStrCmp (LangStr, &SupportLangStr[Index * RFC_3066_ENTRY_SIZE]) == 0) {
*LangIndex = (UINT8) Index;
break;
}
}
if (Index == SupportLangNum) {
Status = EFI_NOT_FOUND;
}
if (SupportLangStr != NULL) {
FreePool (SupportLangStr);
}
return Status;
}