| 1 | PRCVUTSC ;WOIFO/DST - Convert non-formatted string ; 2/11/03 4:52pm
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| 2 |  ;;5.1;IFCAP;**81**;Oct 20, 2000
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| 3 |  ;Per VHA Directive 10-93-142, this routine should not be modified.
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| 4 |  ;
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| 5 | CONV(STR,ACT,SC) ; 
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| 6 |  ; 
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| 7 |  ; Initial data for HL7, HL() array, will be used in this routine.
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| 8 |  ; Such as HL("ECH"), HL("FS")...
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| 9 |  ;
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| 10 |  ; Input:
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| 11 |  ;       STR - A string to be convert
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| 12 |  ;       ACT - Action, E - from escape sequences to special char
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| 13 |  ;                     C - from special char to escape sequences
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| 14 |  ;       SC  - String of special character used in this HL7 message
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| 15 |  ;               SC char 1 - Field separator
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| 16 |  ;                  char 2 - Component separator
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| 17 |  ;                  char 3 - Repetition separator
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| 18 |  ;                  char 4 - Escape sequence character
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| 19 |  ;                  char 5 - Subcomponent separator
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| 20 |  ;
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| 21 |  ; Output:
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| 22 |  ;       STR1 - A converted string
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| 23 |  ;        
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| 24 |  N LEN,SP,SP1,STR1,PRCVFS,PRCVCS,PRCVRS,PRCVES,PRCVSS
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| 25 |  I $L($G(STR))=0!($L($G(ACT))=0) Q ""
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| 26 |  S PRCVFS=$E(SC,1)
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| 27 |  S PRCVCS=$E(SC,2)
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| 28 |  S PRCVRS=$E(SC,3)
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| 29 |  S PRCVES=$E(SC,4)
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| 30 |  S PRCVSS=$E(SC,5)
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| 31 |  S LEN=$L(STR)
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| 32 |  I ACT="C" D TOC Q STR1
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| 33 |  ;
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| 34 | TOE ; Converted from Escape Sequences to special characters
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| 35 |  ; PRCVFS <== \F\  Field separator
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| 36 |  ; PRCVCS <== \S\  Component separator
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| 37 |  ; PRCVRS <== \R\  Repetition separator
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| 38 |  ; PRCVES <== \E\  Escape sequence character
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| 39 |  ; PRCVSS <== \T\  Sub-component separator
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| 40 |  ;
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| 41 |  N I,J,K,LEN1,SE,SE1,SP,STR2
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| 42 |  S LEN1=0
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| 43 |  S STR1=STR
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| 44 |  ;
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| 45 |  ; Go through special characters listed in CH and converted, one by one.
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| 46 |  ;
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| 47 |  F K=1:1 Q:$P($T(CH+K),";;",2)']""  D
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| 48 |  . S SE=$P($P($T(CH+K),";;",2),";",2)  ; correspond special character
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| 49 |  . F I=1:1 S STR2(I)=$P(STR1,SE,I) Q:STR2(I)=""  S SE1(I)=SE
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| 50 |  . K STR2(I)
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| 51 |  . F J=1:1:I-1 S LEN1=LEN1+$L(STR2(J))+$L(SE1(J))
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| 52 |  . I LEN1>$L(STR1) K SE1(I-1)
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| 53 |  . S LEN1=0
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| 54 |  . S SP=$P($P($T(CH+K),";;",2),";",1)
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| 55 |  . S STR2=""
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| 56 |  . F I=1:1 Q:$G(STR2(I))']""  D
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| 57 |  .. S STR2=STR2_STR2(I)
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| 58 |  .. S:$D(SE1(I)) STR2=STR2_@SP
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| 59 |  . S STR1=STR2
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| 60 |  . K SP,STR2
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| 61 |  Q STR1
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| 62 |  ;
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| 63 | TOC ; Converted from special characters to Escape Sequences
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| 64 |  ; PRCVFS ==> \F\  Field separator
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| 65 |  ; PRCVCS ==> \S\  Component separator
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| 66 |  ; PRCVRS ==> \R\  Repetition separator
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| 67 |  ; PRCVES ==> \E\  Escape sequence character
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| 68 |  ; PRCVSS ==> \T\  Sub-component separator
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| 69 |  ;
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| 70 |  N C1,I
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| 71 |  S STR1=""
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| 72 |  F I=1:1:LEN D
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| 73 |  . S C1=$E(STR,I)
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| 74 |  . S STR1=STR1_$S(C1=PRCVFS:"\F\",C1=PRCVCS:"\S\",C1=PRCVRS:"\R\",C1=PRCVES:"\E\",C1=PRCVSS:"\T\",1:C1)
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| 75 |  . Q
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| 76 |  Q
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| 77 |  ;
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| 78 | CH ; Convert characters
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| 79 |  ;;PRCVFS;\F\;Field separator
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| 80 |  ;;PRCVCS;\S\;Component separator
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| 81 |  ;;PRCVRS;\R\;Repetition separator
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| 82 |  ;;PRCVES;\E\;Escape sequence character
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| 83 |  ;;PRCVSS;\T\;Subcomponent separator
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| 84 |  ;;
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