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Apply GetBestLanguage() for the implementation of HiiStringIdToImage() API. 

E.g. L"PlatformLang" variable is "en" and registered string supports "en-US" 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7954 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2009-03-25 10:07:39 +00:00
parent 2fef9e5f7a
commit bf9af1b959
3 changed files with 96 additions and 101 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

131
MdeModulePkg/Universal/HiiDatabaseDxe/Font.c
View File

@ -2089,12 +2089,17 @@ HiiStringIdToImage (
{
EFI_STATUS Status;
HII_DATABASE_PRIVATE_DATA *Private;
EFI_HII_STRING_PROTOCOL *HiiString;
EFI_STRING String;
UINTN StringSize;
UINTN FontLen;
EFI_FONT_INFO *StringFontInfo;
EFI_FONT_DISPLAY_INFO *NewStringInfo;
CHAR8 CurrentLang[RFC_3066_ENTRY_SIZE];
CHAR8 TempSupportedLanguages;
CHAR8 *SupportedLanguages;
UINTN SupportedLanguagesSize;
CHAR8 *CurrentLanguage;
CHAR8 *BestLanguage;
if (This == NULL || PackageList == NULL || Blt == NULL || PackageList == NULL) {
return EFI_INVALID_PARAMETER;
@ -2105,57 +2110,104 @@ HiiStringIdToImage (
}
//
// When Language points to NULL, current system language is used.
// Initialize string pointers to be NULL
//
if (Language != NULL) {
AsciiStrCpy (CurrentLang, (CHAR8 *) Language);
} else {
GetCurrentLanguage (CurrentLang);
}
SupportedLanguages = NULL;
CurrentLanguage = NULL;
BestLanguage = NULL;
String = NULL;
StringInfo = NULL;
StringFontInfo = NULL;
NewStringInfo = NULL;
//
// Get the string to be displayed.
//
Private = HII_FONT_DATABASE_PRIVATE_DATA_FROM_THIS (This);
HiiString = &Private->HiiString;
StringSize = MAX_STRING_LENGTH;
String = (EFI_STRING) AllocateZeroPool (StringSize);
if (String == NULL) {
//
// Get the size of supported language.
//
SupportedLanguagesSize = 0;
Status = HiiString->GetLanguages (
HiiString,
PackageList,
&TempSupportedLanguages,
&SupportedLanguagesSize
);
if (Status != EFI_BUFFER_TOO_SMALL) {
return Status;
}
SupportedLanguages = AllocatePool (SupportedLanguagesSize);
if (SupportedLanguages == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Private = HII_FONT_DATABASE_PRIVATE_DATA_FROM_THIS (This);
StringFontInfo = NULL;
NewStringInfo = NULL;
Status = Private->HiiString.GetString (
&Private->HiiString,
CurrentLang,
PackageList,
StringId,
String,
&StringSize,
&StringFontInfo
);
Status = HiiString->GetLanguages (
HiiString,
PackageList,
SupportedLanguages,
&SupportedLanguagesSize
);
if (EFI_ERROR (Status)) {
goto Exit;
}
if (Language == NULL) {
Language = "";
}
CurrentLanguage = GetEfiGlobalVariable (L"PlatformLang");
BestLanguage = GetBestLanguage (
SupportedLanguages,
FALSE,
Language,
(CurrentLanguage == NULL) ? CurrentLanguage : "",
(CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLang),
NULL
);
if (BestLanguage == NULL) {
Status = EFI_NOT_FOUND;
goto Exit;
}
StringSize = MAX_STRING_LENGTH;
String = (EFI_STRING) AllocateZeroPool (StringSize);
if (String == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Exit;
}
Status = HiiString->GetString (
HiiString,
BestLanguage,
PackageList,
StringId,
String,
&StringSize,
&StringFontInfo
);
if (Status == EFI_BUFFER_TOO_SMALL) {
FreePool (String);
String = (EFI_STRING) AllocateZeroPool (StringSize);
if (String == NULL) {
return EFI_OUT_OF_RESOURCES;
Status = EFI_OUT_OF_RESOURCES;
goto Exit;
}
Status = Private->HiiString.GetString (
&Private->HiiString,
Language,
PackageList,
StringId,
String,
&StringSize,
NULL
);
Status = HiiString->GetString (
HiiString,
BestLanguage,
PackageList,
StringId,
String,
&StringSize,
NULL
);
}
if (EFI_ERROR (Status)) {
goto Exit;
goto Exit;
}
//
@ -2204,6 +2256,15 @@ HiiStringIdToImage (
);
Exit:
if (SupportedLanguages != NULL) {
FreePool (SupportedLanguages);
}
if (CurrentLanguage != NULL) {
FreePool (CurrentLanguage);
}
if (BestLanguage != NULL) {
FreePool (BestLanguage);
}
if (String != NULL) {
FreePool (String);
}

45
MdeModulePkg/Universal/HiiDatabaseDxe/R8Lib.c
View File

@ -57,49 +57,4 @@ R8_EfiLibCompareLanguage (
}
/**
Determine what is the current language setting. The space reserved for Lang
must be at least RFC_3066_ENTRY_SIZE bytes;
If Lang is NULL, then ASSERT.
@param Lang Pointer of system language. Lang will always be filled with
a valid RFC 3066 language string. If "PlatformLang" is not
set in the system, the default language specifed by PcdUefiVariableDefaultPlatformLang
is returned.
@return EFI_SUCCESS If the EFI Variable with "PlatformLang" is set and return in Lang.
@return EFI_NOT_FOUND If the EFI Variable with "PlatformLang" is not set, but a valid default language is return in Lang.
**/
EFI_STATUS
EFIAPI
GetCurrentLanguage (
OUT CHAR8 *Lang
)
{
EFI_STATUS Status;
UINTN Size;
ASSERT (Lang != NULL);
//
// Get current language setting
//
Size = RFC_3066_ENTRY_SIZE;
Status = gRT->GetVariable (
L"PlatformLang",
&gEfiGlobalVariableGuid,
NULL,
&Size,
Lang
);
if (EFI_ERROR (Status)) {
AsciiStrCpy (Lang, (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLang));
}
return Status;
}

21
MdeModulePkg/Universal/HiiDatabaseDxe/R8Lib.h
View File

@ -34,27 +34,6 @@ R8_EfiLibCompareLanguage (
)
;
/**
Determine what is the current language setting. The space reserved for Lang
must be at least RFC_3066_ENTRY_SIZE bytes;
If Lang is NULL, then ASSERT.
@param Lang Pointer of system language. Lang will always be filled with
a valid RFC 3066 language string. If "PlatformLang" is not
set in the system, the default language specifed by PcdUefiVariableDefaultPlatformLang
is returned.
@return EFI_SUCCESS If the EFI Variable with "PlatformLang" is set and return in Lang.
@return EFI_NOT_FOUND If the EFI Variable with "PlatformLang" is not set, but a valid default language is return in Lang.
**/
EFI_STATUS
EFIAPI
GetCurrentLanguage (
OUT CHAR8 *Lang
);
#endif