1 files changed, 59 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/ShellPkg/Application/Shell/FileHandleInternal.h b/src/VBox/Devices/EFI/Firmware/ShellPkg/Application/Shell/FileHandleInternal.h
new file mode 100644
index 00000000..3b36a8e7
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/ShellPkg/Application/Shell/FileHandleInternal.h
@@ -0,0 +1,59 @@
+/** @file
+  internal worker functions for FileHandleWrappers to use
+
+  Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _FILE_HANDLE_INTERNAL_HEADER_
+#define _FILE_HANDLE_INTERNAL_HEADER_
+
+/**
+  Move the cursor position one character backward.
+
+  @param[in] LineLength       Length of a line. Get it by calling QueryMode
+  @param[in, out] Column      Current column of the cursor position
+  @param[in, out] Row         Current row of the cursor position
+**/
+VOID
+MoveCursorBackward (
+  IN     UINTN                   LineLength,
+  IN OUT UINTN                   *Column,
+  IN OUT UINTN                   *Row
+  );
+
+/**
+  Move the cursor position one character forward.
+
+  @param[in] LineLength       Length of a line.
+  @param[in] TotalRow         Total row of a screen
+  @param[in, out] Column      Current column of the cursor position
+  @param[in, out] Row         Current row of the cursor position
+**/
+VOID
+MoveCursorForward (
+  IN     UINTN                   LineLength,
+  IN     UINTN                   TotalRow,
+  IN OUT UINTN                   *Column,
+  IN OUT UINTN                   *Row
+  );
+
+/**
+  Prints out each previously typed command in the command list history log.
+
+  When each screen is full it will pause for a key before continuing.
+
+  @param[in] TotalCols    How many columns are on the screen
+  @param[in] TotalRows    How many rows are on the screen
+  @param[in] StartColumn  which column to start at
+**/
+VOID
+PrintCommandHistory (
+  IN CONST UINTN TotalCols,
+  IN CONST UINTN TotalRows,
+  IN CONST UINTN StartColumn
+  );
+
+#endif //_FILE_HANDLE_INTERNAL_HEADER_
+