| 1 | HLFNC3 ;AISC/SAW-Continuation of HLFNC, Additional Functions/Calls Used for HL7 Messages ;1/17/95 11:16
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| 2 | ;;1.6;HEALTH LEVEL SEVEN;;Oct 13, 1995
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| 3 | BHS(HL,BID,RESULT,SECURITY,MSA) ;Create a BHS Segment for an Outgoing HL7
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| 4 | ;Batch Message
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| 5 | ;
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| 6 | ;This is a subroutine call with parameter passing that returns an HL7
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| 7 | ;Batch Header (BHS) segment in the variable RESULT (and possibly
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| 8 | ;RESULT(1) if the BHS segment is longer than 245 characters). If the
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| 9 | ;required input parameters HL or BID are missing, RESULT is returned
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| 10 | ;equal to null
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| 11 | ;
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| 12 | ;Required Input Parameters
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| 13 | ; HL = The array of values returned by the call to INIT^HLFNC2
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| 14 | ; BID = The Batch Control ID to be included in the BHS segment.
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| 15 | ; The Batch Control ID for the batch is returned by the
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| 16 | ; call to CREATE^HLTF.
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| 17 | ; RESULT = The variable that will be returned to the calling
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| 18 | ; application as described above
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| 19 | ;Optional Input Parameters
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| 20 | ;SECURITY = Security to be included in field #8 of the BHS segment
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| 21 | ; MSA = Three components (separated by the HL7 component separator
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| 22 | ; character) consisting of the first three fields in the
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| 23 | ; MSA segment. This variable is required if the message
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| 24 | ; you are building is a batch acknowledgment
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| 25 | ;
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| 26 | ;Check for required parameters
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| 27 | I '$D(HL)#2!('$D(BID)) Q ""
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| 28 | N X,X1,X2
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| 29 | ;Build BHS segment from HL array variables and other input parameters
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| 30 | S X="BHS"_HL("FS")_HL("ECH")_HL("FS")_HL("SAN")_HL("FS")_HL("SAF")_HL("FS")_$S($D(HL("RAN")):HL("RAN"),1:"")_HL("FS")_$S($D(HL("RAF")):HL("RAF"),1:"")_HL("FS")_$S($D(HL("DTM")):HL("DTM"),1:"")_HL("FS")
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| 31 | S X=X_$S($G(SECURITY)]"":SECURITY,1:"")_HL("FS")_$E(HL("ECH"))_HL("PID")_$E(HL("ECH"))_HL("MTN")_$E(HL("ECH"))_HL("VER")_HL("FS")_HL("FS")_BID
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| 32 | ;If the MSA parameter exists, insert it in pieces 11 and 12 and
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| 33 | ;create new variable X1 if length of X will be greater than 245
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| 34 | I $D(MSA) D
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| 35 | .S $P(X,HL("FS"),12)=$P(MSA,$E(HL("ECH")),2),MSA=$P(MSA,$E(HL("ECH")))_$E(HL("ECH"))_$P(MSA,$E(HL("ECH")),3)
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| 36 | .I $L(X)+$L(MSA)'>245 S $P(X,HL("FS"),10)=MSA Q
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| 37 | .S X1=HL("FS")_$P(X,HL("FS"),11,12),X=$P(X,HL("FS"),1,10)
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| 38 | .S X2=$L(X),X=X_$E(MSA,1,(245-X2)),X1=$E(MSA,(246-X2),245)_X1
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| 39 | .S X2=$L(X) I $L(X2)<245 S X=X_$E(X1,1,(245-X2)),X1=$E(X1,(246-X2),245)
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| 40 | S RESULT=X S:$L($G(X1)) RESULT(1)=X1
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| 41 | Q
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