From 11e9250309ea59ae7aad20c4af176c6dc39a741e Mon Sep 17 00:00:00 2001
From: qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 27 Nov 2008 07:43:56 +0000
Subject: Add GetCurrentLanguage() to HiiLib in MdeModulePkg

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6758 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Library/UefiHiiLib/HiiLanguage.c    | 47 ++++++++++++++++++++++++
 MdeModulePkg/Library/UefiHiiLib/InternalHiiLib.h |  4 ++
 MdeModulePkg/Library/UefiHiiLib/UefiHiiLib.inf   |  8 ++++
 3 files changed, 59 insertions(+)

(limited to 'MdeModulePkg/Library')

diff --git a/MdeModulePkg/Library/UefiHiiLib/HiiLanguage.c b/MdeModulePkg/Library/UefiHiiLib/HiiLanguage.c
index 147e5a3..58817c1 100644
--- a/MdeModulePkg/Library/UefiHiiLib/HiiLanguage.c
+++ b/MdeModulePkg/Library/UefiHiiLib/HiiLanguage.c
@@ -204,3 +204,50 @@ HiiLibGetSupportedSecondaryLanguages (
 }
 
 
+/**
+  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;
+}
+
+
+
diff --git a/MdeModulePkg/Library/UefiHiiLib/InternalHiiLib.h b/MdeModulePkg/Library/UefiHiiLib/InternalHiiLib.h
index 18d168e..28c738f 100644
--- a/MdeModulePkg/Library/UefiHiiLib/InternalHiiLib.h
+++ b/MdeModulePkg/Library/UefiHiiLib/InternalHiiLib.h
@@ -21,6 +21,8 @@
 #include <Protocol/HiiString.h>
 #include <Protocol/DevicePath.h>
 
+#include <Guid/GlobalVariable.h>
+
 #include <Library/BaseLib.h>
 #include <Library/BaseMemoryLib.h>
 #include <Library/HiiLib.h>
@@ -29,6 +31,8 @@
 #include <Library/UefiBootServicesTableLib.h>
 #include <Library/DevicePathLib.h>
 #include <Library/UefiLib.h>
+#include <Library/PcdLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
 
 #define HII_LIB_DEFAULT_STRING_SIZE     0x200
 
diff --git a/MdeModulePkg/Library/UefiHiiLib/UefiHiiLib.inf b/MdeModulePkg/Library/UefiHiiLib/UefiHiiLib.inf
index f355d02..08dc64a 100644
--- a/MdeModulePkg/Library/UefiHiiLib/UefiHiiLib.inf
+++ b/MdeModulePkg/Library/UefiHiiLib/UefiHiiLib.inf
@@ -48,12 +48,20 @@
   UefiBootServicesTableLib
   DevicePathLib
   UefiLib
+  PcdLib
+  UefiRuntimeServicesTableLib
 
 [Protocols]
   gEfiHiiDatabaseProtocolGuid  # ALWAYS_CONSUMED
   gEfiHiiStringProtocolGuid    # ALWAYS_CONSUMED
   gEfiDevicePathProtocolGuid  
 
+[Pcd]
+  gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultPlatformLang
+
+[Guids]  
+  gEfiGlobalVariableGuid 
+
 [Depex]
   gEfiHiiDatabaseProtocolGuid AND
   gEfiHiiStringProtocolGuid
-- 
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