mirror of https://github.com/acidanthera/audk.git
137 lines
3.0 KiB
C
137 lines
3.0 KiB
C
/** @file
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Language related HII Library implementation.
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Copyright (c) 2006, Intel Corporation<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "InternalHiiLib.h"
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EFI_STATUS
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EFIAPI
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HiiLibGetCurrentLanguage (
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OUT CHAR8 *Lang
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)
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{
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EFI_STATUS Status;
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UINTN Size;
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ASSERT (Lang != NULL);
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//
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// Get current language setting
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//
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Size = RFC_3066_ENTRY_SIZE;
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Status = gRT->GetVariable (
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L"PlatformLang",
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&gEfiGlobalVariableGuid,
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NULL,
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&Size,
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Lang
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);
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if (EFI_ERROR (Status)) {
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AsciiStrCpy (Lang, (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLang));
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}
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return Status;
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}
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VOID
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EFIAPI
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HiiLibGetNextLanguage (
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IN OUT CHAR8 **LangCode,
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OUT CHAR8 *Lang
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)
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{
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UINTN Index;
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CHAR8 *StringPtr;
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ASSERT (LangCode != NULL);
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ASSERT (Lang != NULL);
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Index = 0;
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StringPtr = *LangCode;
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while (StringPtr[Index] != 0 && StringPtr[Index] != ';') {
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Index++;
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}
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CopyMem (Lang, StringPtr, Index);
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Lang[Index] = 0;
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if (StringPtr[Index] == ';') {
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Index++;
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}
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*LangCode = StringPtr + Index;
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}
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CHAR8 *
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EFIAPI
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HiiLibGetSupportedLanguages (
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IN EFI_HII_HANDLE HiiHandle
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)
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{
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EFI_STATUS Status;
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UINTN BufferSize;
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CHAR8 *LanguageString;
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ASSERT (HiiHandle != NULL);
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ASSERT (IsHiiHandleRegistered (HiiHandle));
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//
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// Collect current supported Languages for given HII handle
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//
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BufferSize = 0x1000;
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LanguageString = AllocatePool (BufferSize);
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Status = mHiiStringProt->GetLanguages (mHiiStringProt, HiiHandle, LanguageString, &BufferSize);
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if (Status == EFI_BUFFER_TOO_SMALL) {
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gBS->FreePool (LanguageString);
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LanguageString = AllocatePool (BufferSize);
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Status = mHiiStringProt->GetLanguages (mHiiStringProt, HiiHandle, LanguageString, &BufferSize);
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}
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if (EFI_ERROR (Status)) {
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LanguageString = NULL;
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}
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return LanguageString;
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}
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UINT16
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EFIAPI
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HiiLibGetSupportedLanguageNumber (
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IN EFI_HII_HANDLE HiiHandle
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)
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{
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CHAR8 *Languages;
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CHAR8 *LanguageString;
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UINT16 LangNumber;
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CHAR8 Lang[RFC_3066_ENTRY_SIZE];
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Languages = HiiLibGetSupportedLanguages (HiiHandle);
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if (Languages == NULL) {
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return 0;
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}
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LangNumber = 0;
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LanguageString = Languages;
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while (*LanguageString != 0) {
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HiiLibGetNextLanguage (&LanguageString, Lang);
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LangNumber++;
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}
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gBS->FreePool (Languages);
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return LangNumber;
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}
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