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CASE permutations
Message
De
07/09/2007 23:07:48
 
 
À
07/09/2007 22:33:16
Jay Johengen
Altamahaw-Ossipee, Caroline du Nord, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 8 SP1
Divers
Thread ID:
01253160
Message ID:
01253164
Vues:
23
>I'm sure there is a better way to handle the CASE for the two parameters in the code below. How can I make this block extensible so I can add other message and cursor types in the future without ending up with a spaghetti bowl of code?
>
>
>	PROCEDURE GetCursor
>
>		PARAMETERS MessageType, CursorType
>
>		DODEFAULT()
>
>		DO CASE
>			CASE m.MessageType = 'HL7' AND CursorType = "Demographics"
>				* Do Something
>			CASE m.MessageType = 'HL7' AND CursorType = "Scheduler"
>				* Do Something
>			CASE m.MessageType = 'EDI' AND CursorType = "Demographics"
>				* Do Something
>			CASE m.MessageType = 'EDI' AND CursorType = "Scheduler"
>				* Do Something
>		ENDCASE
>
>	ENDPROC
>
Really depends on what "* Do Something" is.

This might be a tad simpler:
PROCEDURE GetCursor
  PARAMETERS MessageType, CursorType
  
  DODEFAULT()

  DO CASE
    CASE m.MessageType = 'HL7' 
      DO CASE
        CASE CursorType = "Demographics"
	 * Do Something
        CASE CursorType = "Scheduler"
	 * Do Something
      ENDCASE
    CASE m.MessageType = 'EDI'
      DO CASE
        CASE CursorType = "Demographics"
	 * Do Something
        CASE CursorType = "Scheduler"
	 * Do Something
      ENDCASE
  ENDCASE
ENDPROC
but not by much. The main thing that's going to simplify it is figuring out whats the same and what's different in each "* Do Something" and programing around that.
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