UEFI HII: Merge UEFI HII support changes from branch.

[mirror_edk2.git] / MdeModulePkg / Universal / BdsDxe / String.c

diff --git a/MdeModulePkg/Universal/BdsDxe/String.c b/MdeModulePkg/Universal/BdsDxe/String.c
new file mode 100644 (file)
index 0000000..84f9f96
--- /dev/null
+++ b/MdeModulePkg/Universal/BdsDxe/String.c
@@ -0,0 +1,104 @@
+/*++\r
+\r
+Copyright (c) 2004 - 2008, Intel Corporation\r
+All rights reserved. This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution.  The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+Module Name:\r
+\r
+  String.c\r
+\r
+Abstract:\r
+\r
+  String support\r
+\r
+--*/\r
+\r
+#include "Bds.h"\r
+#include "Language.h"\r
+#include "FrontPage.h"\r
+\r
+EFI_HII_HANDLE gStringPackHandle;\r
+\r
+EFI_GUID mBdsStringPackGuid = {\r
+  0x7bac95d3, 0xddf, 0x42f3, 0x9e, 0x24, 0x7c, 0x64, 0x49, 0x40, 0x37, 0x9a\r
+};\r
+\r
+EFI_STATUS\r
+InitializeStringSupport (\r
+  VOID\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+  Initialize HII global accessor for string support\r
+\r
+Arguments:\r
+  None\r
+\r
+Returns:\r
+  EFI_SUCCESS - String support initialize success.\r
+\r
+--*/\r
+{\r
+  EFI_STATUS                   Status;\r
+  EFI_HANDLE                   DriverHandle;\r
+  EFI_HII_PACKAGE_LIST_HEADER  *PackageList;\r
+\r
+  Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &gHiiDatabase);\r
+  if (EFI_ERROR (Status)) {\r
+    return Status;\r
+  }\r
+\r
+  //\r
+  // Create driver handle used by HII database\r
+  //\r
+  Status = HiiLibCreateHiiDriverHandle (&DriverHandle);\r
+  if (EFI_ERROR (Status)) {\r
+    return Status;\r
+  }\r
+\r
+  PackageList = PreparePackageList (1, &mBdsStringPackGuid, &BdsStrings);\r
+  ASSERT (PackageList != NULL);\r
+\r
+  Status = gHiiDatabase->NewPackageList (\r
+                           gHiiDatabase,\r
+                           PackageList,\r
+                           DriverHandle,\r
+                           &gStringPackHandle\r
+                           );\r
+\r
+  FreePool (PackageList);\r
+  return Status;\r
+}\r
+\r
+CHAR16 *\r
+GetStringById (\r
+  IN  EFI_STRING_ID   Id\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+  Get string by string id from HII Interface\r
+\r
+Arguments:\r
+  Id       - String ID.\r
+\r
+Returns:\r
+  CHAR16 * - String from ID.\r
+  NULL     - If error occurs.\r
+\r
+--*/\r
+{\r
+  CHAR16 *String;\r
+\r
+  String = NULL;\r
+  GetStringFromHandle (gStringPackHandle, Id, &String);\r
+\r
+  return String;\r
+}\r