added LSL2 stored procedures

LSL2/STPROC/RIGHTS_CONV.txt

@@ -0,0 +1,38 @@
+compile subroutine rights_conv(ConvType, DataIo, Branch, ReturnedValue)
+begin condition
+pre:
+post:
+end condition
+
+$insert logical
+declare function msg
+equ valid$         to 0    ;* successful
+equ invalid_msg$   to 1    ;* bad data       -   print error message window
+equ invalid_conv$  to 2    ;* bad conversion -          "         "
+equ invalid_nomsg$ to 3    ;* bad but do not print the error message window
+
+ReturnedValue = DataIo       
+status() = Valid$              
+ValidRights = 'RWDEP'
+
+*
+begin case
+   case ConvType = 'ICONV'
+      convert ' ' to '' in DataIo
+      for j = 1 to len(DataIo) while ReturnedValue <> ''
+         if index(ValidRights, DataIo[1,1], 1) else
+            ReturnedValue = ''
+            status() = invalid_msg$
+         end
+      next j
+   case ConvType = 'OCONV'
+      TempBase  = ValidRights
+      convert DataIo TO '' in TempBase
+      convert TempBase to str(' ',len(TempBase)) in ValidRights
+      ReturnedValue = ValidRights
+
+   case otherwise$
+      ReturnedValue = ''
+      status() = invalid_conv$
+end case
+return