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/*
* Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
*
* SPDX-License-Identifier: MIT
*/
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiHiiServicesLib.h>
EFI_STATUS PrintStringFromHiiHandle(EFI_HII_HANDLE* Handle, CHAR8* Language, UINTN StringId)
{
EFI_STRING String = NULL;
UINTN StringSize = 0;
EFI_STATUS Status = gHiiString->GetString(gHiiString, Language, *Handle, StringId, String, &StringSize, NULL);
if (Status != EFI_BUFFER_TOO_SMALL) {
return Status;
}
String = AllocateZeroPool (StringSize);
if (String == NULL) {
return Status;
}
Status = gHiiString->GetString(gHiiString, Language, *Handle, StringId, String, &StringSize, NULL);
Print(L"Status = %r, %s\n", Status, String);
FreePool(String);
return EFI_SUCCESS;
}
UINT32 InitStringPackage(CHAR8* Ptr, CHAR8* Language, CHAR16** Strings, UINTN StringsLen)
{
UINT32 Size = 0;
EFI_HII_STRING_PACKAGE_HDR* HIIStringPackageHdr = (EFI_HII_STRING_PACKAGE_HDR*)&Ptr[0];
HIIStringPackageHdr->Header.Type = EFI_HII_PACKAGE_STRINGS;
UINT32 HeaderSize = (UINT32) (AsciiStrSize(Language) - 1 + sizeof (EFI_HII_STRING_PACKAGE_HDR));
HIIStringPackageHdr->HdrSize = HeaderSize;
HIIStringPackageHdr->StringInfoOffset = HeaderSize;
HIIStringPackageHdr->LanguageName = 1;
AsciiStrCpyS (HIIStringPackageHdr->Language,
(HeaderSize - OFFSET_OF(EFI_HII_STRING_PACKAGE_HDR,Language)) / sizeof (CHAR8),
(CHAR8 *) Language);
Size += HeaderSize;
for (UINTN i=0; i<StringsLen; i++)
{
EFI_HII_SIBT_STRING_UCS2_BLOCK* StrBlock = (EFI_HII_SIBT_STRING_UCS2_BLOCK*)&Ptr[Size];
StrBlock->Header.BlockType = EFI_HII_SIBT_STRING_UCS2;
StrCpyS(StrBlock->StringText, StrLen(Strings[i])+1, Strings[i]);
Size += sizeof(EFI_HII_SIBT_STRING_UCS2_BLOCK) + StrLen(Strings[i])*2;
}
EFI_HII_SIBT_END_BLOCK* EndBlock = (EFI_HII_SIBT_END_BLOCK*)&Ptr[Size];
EndBlock->Header.BlockType = EFI_HII_SIBT_END;
Size += sizeof(EFI_HII_SIBT_END_BLOCK);
HIIStringPackageHdr->Header.Length = Size;
return Size;
}
EFI_STATUS
EFIAPI
UefiMain (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
CHAR8* Data = (CHAR8*) AllocateZeroPool(200); // CHEAT! NEEDS CORRECTION FOR YOUR OWN PACKAGES!
UINT32 offset = 0;
EFI_HII_PACKAGE_LIST_HEADER* PackageListHdr = (EFI_HII_PACKAGE_LIST_HEADER*)&Data[offset];
PackageListHdr->PackageListGuid = gHIIStringsCGuid;
offset += sizeof(EFI_HII_PACKAGE_LIST_HEADER);
CHAR16* EnStrings[] = {
L"English",
L"Hello",
};
offset += InitStringPackage(&Data[offset], "en-US", EnStrings, sizeof(EnStrings)/sizeof(EnStrings[0]));
CHAR16* FrStrings[] = {
L"French",
L"Bonjour",
};
offset += InitStringPackage(&Data[offset], "fr-FR", FrStrings, sizeof(FrStrings)/sizeof(FrStrings[0]));
EFI_HII_PACKAGE_HEADER* HIIEndPackageHdr = (EFI_HII_PACKAGE_HEADER*)&Data[offset];
HIIEndPackageHdr->Type = EFI_HII_PACKAGE_END;
HIIEndPackageHdr->Length = sizeof(EFI_HII_PACKAGE_HEADER);
offset += sizeof(EFI_HII_PACKAGE_HEADER);
PackageListHdr->PackageLength = offset;
EFI_HII_HANDLE Handle;
EFI_STATUS Status = gHiiDatabase->NewPackageList(gHiiDatabase, PackageListHdr, NULL, &Handle);
if (EFI_ERROR(Status))
{
Print(L"Can't register HII Package list %g, status = %r\n", gHIIStringsCGuid, Status);
}
FreePool(Data);
PrintStringFromHiiHandle(&Handle, "en-US", 1);
PrintStringFromHiiHandle(&Handle, "en-US", 2);
PrintStringFromHiiHandle(&Handle, "fr-FR", 1);
PrintStringFromHiiHandle(&Handle, "fr-FR", 2);
return EFI_SUCCESS;
}
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