474   UINTN               StringCurPos;   // Line index corresponding to the cursor  in FileInterfaceStdInRead()  local
505   StringCurPos      = 0;  in FileInterfaceStdInRead()
585       TailRow     = Row + (StringLen - StringCurPos + Column) / TotalColumn;  in FileInterfaceStdInRead()
586       TailColumn  = (StringLen - StringCurPos + Column) % TotalColumn;  in FileInterfaceStdInRead()
592       if (StringCurPos != 0) {  in FileInterfaceStdInRead()
597         StringCurPos--;  in FileInterfaceStdInRead()
598         Update  = StringCurPos;  in FileInterfaceStdInRead()
600 …CopyMem (CurrentString + StringCurPos, CurrentString + StringCurPos + 1, sizeof (CHAR16) * (String…  in FileInterfaceStdInRead()
652 …if (StringLen == MaxStr - 1 && (ShellInfoObject.ViewingSettings.InsertMode || StringCurPos == Stri…  in FileInterfaceStdInRead()
660 …CopyMem(CurrentString + StringCurPos + 1, CurrentString + StringCurPos, (StringLen - StringCurPos)…  in FileInterfaceStdInRead()
663         CurrentString[StringCurPos] = Key.UnicodeChar;  in FileInterfaceStdInRead()
664         Update      = StringCurPos;  in FileInterfaceStdInRead()
666         StringCurPos += 1;  in FileInterfaceStdInRead()
678           Update  = StringCurPos;  in FileInterfaceStdInRead()
680 …CopyMem (CurrentString + StringCurPos, CurrentString + StringCurPos + 1, sizeof (CHAR16) * (String…  in FileInterfaceStdInRead()
708         if (StringCurPos != 0) {  in FileInterfaceStdInRead()
709           --StringCurPos;  in FileInterfaceStdInRead()
718         if (StringCurPos < StringLen) {  in FileInterfaceStdInRead()
719           ++StringCurPos;  in FileInterfaceStdInRead()
728         Row -= (StringCurPos + StartColumn) / TotalColumn;  in FileInterfaceStdInRead()
730         StringCurPos  = 0;  in FileInterfaceStdInRead()
737         TailRow       = Row + (StringLen - StringCurPos + Column) / TotalColumn;  in FileInterfaceStdInRead()
738         TailColumn    = (StringLen - StringCurPos + Column) % TotalColumn;  in FileInterfaceStdInRead()
741         StringCurPos  = StringLen;  in FileInterfaceStdInRead()
751         Row -= (StringCurPos + StartColumn) / TotalColumn;  in FileInterfaceStdInRead()
795 …    Row -= (StartColumn + StringCurPos) / TotalColumn - (StartColumn + TabUpdatePos) / TotalColumn;  in FileInterfaceStdInRead()
813       StringCurPos = TabUpdatePos + OutputLength;  in FileInterfaceStdInRead()
828       Row -= (StringCurPos + StartColumn) / TotalColumn;  in FileInterfaceStdInRead()
837       StringCurPos            = OutputLength;  in FileInterfaceStdInRead()
861       if (StringCurPos > StringLen) {  in FileInterfaceStdInRead()
862         StringCurPos = StringLen;  in FileInterfaceStdInRead()
876         TailRow     = Row + (StringLen - StringCurPos + Column + OutputLength) / TotalColumn;  in FileInterfaceStdInRead()
877         TailColumn  = (StringLen - StringCurPos + Column + OutputLength) % TotalColumn;  in FileInterfaceStdInRead()