| 1 | HLOPRS ;IRMFO-ALB/CJM -RTNs for parsing messages;03/24/2004  14:43 ;12/11/2006
 | 
|---|
| 2 |  ;;1.6;HEALTH LEVEL SEVEN;**118,126,133,132,134**;Oct 13, 1995;Build 30
 | 
|---|
| 3 |  ;Per VHA Directive 2004-038, this routine should not be modified.
 | 
|---|
| 4 |  ;
 | 
|---|
| 5 | STARTMSG(MSG,IEN,HDR) ;
 | 
|---|
| 6 |  ;Description:  This function begins the parsing of the message, parsing
 | 
|---|
| 7 |  ;the header and returning the individual values in the array HDR().
 | 
|---|
| 8 |  ;Input: 
 | 
|---|
| 9 |  ;  IEN - The internal entry number of the message in file 778.
 | 
|---|
| 10 |  ;Output:
 | 
|---|
| 11 |  ;  Function returns 1 on success, 0 on failure.  Failure would indicate that the message was not found.
 | 
|---|
| 12 |  ;  MSG - (pass by reference, required) This array is used by the HL7 package to track the progress of parsing the message.  The application MUST NOT touch it!
 | 
|---|
| 13 |  ;  HDR (pass by reference, optional)   This array contains the results of parsing the message header.
 | 
|---|
| 14 |  K MSG,HDR
 | 
|---|
| 15 |  Q:'$G(IEN) 0
 | 
|---|
| 16 |  Q:'$$GETMSG^HLOMSG(IEN,.MSG) 0
 | 
|---|
| 17 |  M HDR=MSG("HDR")
 | 
|---|
| 18 |  Q:'$$PARSEHDR(.HDR) 0
 | 
|---|
| 19 |  M MSG("HDR")=HDR
 | 
|---|
| 20 |  Q 1
 | 
|---|
| 21 |  ;
 | 
|---|
| 22 | NEXTSEG(MSG,SEG) ;
 | 
|---|
| 23 |  ;Description:  Advances parsing to the next segment and returns the parsed values from that segment.
 | 
|---|
| 24 |  ;Input:
 | 
|---|
| 25 |  ;  MSG - (pass by reference, required) This array is used by the HL7 package to track the current position in the message.  The application MUST NOT touch it!
 | 
|---|
| 26 |  ;Output:
 | 
|---|
| 27 |  ;  Function  returns 1 on success, 0 if there are no more segments in this message.  For batch messages, a return value of 0 does not preclude the possibility that there are additional individual messages within the batch.
 | 
|---|
| 28 |  ;  MSG - (pass by reference, required)
 | 
|---|
| 29 |  ;  SEG - (pass by reference, required)  The segment is returned in this array.
 | 
|---|
| 30 |  ;
 | 
|---|
| 31 |  N TEMP,CODES
 | 
|---|
| 32 |  K SEG
 | 
|---|
| 33 |  I '$$HLNEXT^HLOMSG(.MSG,.TEMP) Q 0
 | 
|---|
| 34 |  S CODES=MSG("HDR","ENCODING CHARACTERS")
 | 
|---|
| 35 |  Q $$PARSE^HLOPRS1(MSG("HDR","FIELD SEPARATOR"),$E(CODES,2),$E(CODES,1),$E(CODES,4),$E(CODES,3),.TEMP,.SEG)
 | 
|---|
| 36 |  ;
 | 
|---|
| 37 | NEXTMSG(MSG,MSH) ;
 | 
|---|
| 38 |  ;Description:  Advances to the next message within the batch, with the MSH segment returned.
 | 
|---|
| 39 |  ;Input:
 | 
|---|
| 40 |  ; MSG (pass by reference, required) This array is used by the HL7 package to track the current position in the message.  The application MUST NOT touch it!
 | 
|---|
| 41 |  ;OUTPUT:
 | 
|---|
| 42 |  ;  Function returns 1 on success, 0 if there are no more messages
 | 
|---|
| 43 |  ;  MSG - (pass by reference)
 | 
|---|
| 44 |  ;  MSH - (pass by reference, required) Returns the parsed message header
 | 
|---|
| 45 |  ;
 | 
|---|
| 46 |  K MSH
 | 
|---|
| 47 |  N NODE
 | 
|---|
| 48 |  Q:'$$NEXTMSG^HLOMSG(.MSG,.MSH) 0
 | 
|---|
| 49 |  Q:'$$PARSEHDR(.MSH) 0
 | 
|---|
| 50 |  S MSG("BATCH","CURRENT MESSAGE","EVENT")=MSH("EVENT")
 | 
|---|
| 51 |  S MSG("BATCH","CURRENT MESSAGE","MESSAGE CONTROL ID")=MSH("MESSAGE CONTROL ID")
 | 
|---|
| 52 |  S NODE=$G(^HLB(MSG("IEN"),3,MSG("BATCH","CURRENT MESSAGE"),0))
 | 
|---|
| 53 |  S MSG("BATCH","CURRENT MESSAGE","ACK TO")=$P(NODE,"^",3)
 | 
|---|
| 54 |  S MSG("BATCH","CURRENT MESSAGE","ACK BY")=$P(NODE,"^",4)
 | 
|---|
| 55 |  ;
 | 
|---|
| 56 |  I MSG("BATCH","CURRENT MESSAGE","ACK TO")]"" S MSG("BATCH","CURRENT MESSAGE","ACK TO IEN")=$$ACKTOIEN^HLOMSG1(MSG("MESSAGE CONTROL ID"),MSG("BATCH","CURRENT MESSAGE","ACK TO"))
 | 
|---|
| 57 |  I MSG("BATCH","CURRENT MESSAGE","ACK BY")]"" S MSG("BATCH","CURRENT MESSAGE","ACK BY IEN")=$$ACKBYIEN^HLOMSG1(MSG("MESSAGE CONTROL ID"),MSG("BATCH","CURRENT MESSAGE","ACK BY"))
 | 
|---|
| 58 |  ;
 | 
|---|
| 59 |  Q 1
 | 
|---|
| 60 |  ;
 | 
|---|
| 61 | PARSEHDR(HDR) ;
 | 
|---|
| 62 |  ;Parses the segment (HDR, pass by reference) into the HDR() array using meaningful subscripts.
 | 
|---|
| 63 |  ;Input:
 | 
|---|
| 64 |  ;  HDR (pass by reference, required) contains the segment in the format HDR(1),HDR(2), etc..
 | 
|---|
| 65 |  ;Output:
 | 
|---|
| 66 |  ;  HDR (pass by reference, required) This array will contain all the individual values.  Also will contain HDR(1) with components 1-6 and HDR(2) with components 1-end
 | 
|---|
| 67 |  ;  Function - returns 1 if the segment is indeed an MSH or BHS segment, 0 otherwise
 | 
|---|
| 68 |  ;
 | 
|---|
| 69 |  N VALUE,FS,CS,REP,SUBCOMP,ESCAPE
 | 
|---|
| 70 |  S VALUE=$E(HDR(1),1,3)
 | 
|---|
| 71 |  I VALUE'="MSH",VALUE'="BHS" Q 0
 | 
|---|
| 72 |  S HDR("SEGMENT TYPE")=VALUE
 | 
|---|
| 73 |  S FS=$E(HDR(1),4)
 | 
|---|
| 74 |  Q:FS="" 0
 | 
|---|
| 75 |  S HDR("ENCODING CHARACTERS")=$P(HDR(1),FS,2)
 | 
|---|
| 76 |  S CS=$E(HDR("ENCODING CHARACTERS"),1)
 | 
|---|
| 77 |  S REP=$E(HDR("ENCODING CHARACTERS"),2)
 | 
|---|
| 78 |  S ESCAPE=$E(HDR("ENCODING CHARACTERS"),3)
 | 
|---|
| 79 |  S SUBCOMP=$E(HDR("ENCODING CHARACTERS"),4)
 | 
|---|
| 80 |  Q:REP="" 0
 | 
|---|
| 81 |  S HDR("FIELD SEPARATOR")=FS
 | 
|---|
| 82 |  S HDR("COMPONENT SEPARATOR")=CS
 | 
|---|
| 83 |  S HDR("REPETITION SEPARATOR")=REP
 | 
|---|
| 84 |  S HDR("ESCAPE CHARACTER")=ESCAPE
 | 
|---|
| 85 |  S HDR("SUBCOMPONENT SEPARATOR")=SUBCOMP
 | 
|---|
| 86 |  S HDR("SENDING APPLICATION")=$$DESCAPE($P($P(HDR(1),FS,3),CS))
 | 
|---|
| 87 |  S VALUE=$P(HDR(1),FS,4)
 | 
|---|
| 88 |  S HDR("SENDING FACILITY",1)=$$DESCAPE($P(VALUE,CS))
 | 
|---|
| 89 |  S HDR("SENDING FACILITY",2)=$$DESCAPE($P(VALUE,CS,2))
 | 
|---|
| 90 |  S HDR("SENDING FACILITY",3)=$$DESCAPE($P(VALUE,CS,3))
 | 
|---|
| 91 |  S HDR("RECEIVING APPLICATION")=$$DESCAPE($P($P(HDR(1),FS,5),CS))
 | 
|---|
| 92 |  S VALUE=$P(HDR(1),FS,6)
 | 
|---|
| 93 |  S HDR("RECEIVING FACILITY",1)=$$DESCAPE($P(VALUE,CS))
 | 
|---|
| 94 |  S HDR("RECEIVING FACILITY",2)=$$DESCAPE($P(VALUE,CS,2))
 | 
|---|
| 95 |  S HDR("RECEIVING FACILITY",3)=$$DESCAPE($P(VALUE,CS,3))
 | 
|---|
| 96 |  S HDR("DT/TM OF MESSAGE")=$$FMDATE^HLFNC($$DESCAPE($P($P(HDR(2),FS,2),CS)))
 | 
|---|
| 97 |  S HDR("SECURITY")=$$DESCAPE($P($P(HDR(2),FS,3),CS))
 | 
|---|
| 98 |  ;
 | 
|---|
| 99 |  I HDR("SEGMENT TYPE")="MSH" D
 | 
|---|
| 100 |  .S VALUE=$P(HDR(2),FS,4)
 | 
|---|
| 101 |  .S HDR("MESSAGE TYPE")=$P(VALUE,CS)
 | 
|---|
| 102 |  .S HDR("EVENT")=$P(VALUE,CS,2)
 | 
|---|
| 103 |  .S HDR("MESSAGE STRUCTURE")=$$DESCAPE($P(VALUE,CS,3))
 | 
|---|
| 104 |  .S HDR("MESSAGE CONTROL ID")=$$DESCAPE($P($P(HDR(2),FS,5),CS))
 | 
|---|
| 105 |  .S VALUE=$P(HDR(2),FS,6)
 | 
|---|
| 106 |  .S HDR("PROCESSING ID")=$P(VALUE,CS)
 | 
|---|
| 107 |  .S HDR("PROCESSING MODE")=$$DESCAPE($P(VALUE,CS,2))
 | 
|---|
| 108 |  .S HDR("VERSION")=$$DESCAPE($P($P(HDR(2),FS,7),CS))
 | 
|---|
| 109 |  .S HDR("CONTINUATION POINTER")=$$DESCAPE($P($P(HDR(2),FS,9),CS))
 | 
|---|
| 110 |  .S HDR("ACCEPT ACK TYPE")=$P($P(HDR(2),FS,10),CS)
 | 
|---|
| 111 |  .S HDR("APP ACK TYPE")=$P($P(HDR(2),FS,11),CS)
 | 
|---|
| 112 |  .S HDR("COUNTRY")=$$DESCAPE($P($P(HDR(2),FS,12),CS))
 | 
|---|
| 113 |  ;
 | 
|---|
| 114 |  I HDR("SEGMENT TYPE")="BHS" D
 | 
|---|
| 115 |  .S VALUE=$P(HDR(2),FS,4)
 | 
|---|
| 116 |  .S HDR("BATCH NAME/ID/TYPE")=$$DESCAPE(VALUE)
 | 
|---|
| 117 |  .S HDR("PROCESSING ID")=$E($P(VALUE,"PROCESSING ID=",2),1)
 | 
|---|
| 118 |  .S HDR("ACCEPT ACK TYPE")=$E($P(VALUE,"ACCEPT ACK TYPE=",2),1,2)
 | 
|---|
| 119 |  .S HDR("APP ACK TYPE")=$E($P(VALUE,"APP ACK TYPE=",2),1,2)
 | 
|---|
| 120 |  .S HDR("BATCH COMMENT")=$$DESCAPE($P(HDR(2),FS,5))
 | 
|---|
| 121 |  .S HDR("BATCH CONTROL ID")=$$DESCAPE($P($P(HDR(2),FS,6),CS))
 | 
|---|
| 122 |  .S HDR("REFERENCE BATCH CONTROL ID")=$$DESCAPE($P($P(HDR(2),FS,7),CS))
 | 
|---|
| 123 |  .;
 | 
|---|
| 124 |  Q 1
 | 
|---|
| 125 |  ;
 | 
|---|
| 126 | DESCAPE(VALUE) ;
 | 
|---|
| 127 |  Q $$DESCAPE^HLOPRS1(VALUE,FS,CS,SUBCOMP,REP,ESCAPE)
 | 
|---|
| 128 |  ;
 | 
|---|
| 129 | GET(SEG,FIELD,COMP,SUBCOMP,REP) ;
 | 
|---|
| 130 |  ;This function gets a specified value from a segment that was parsed by
 | 
|---|
| 131 |  ;$$NEXTSEG. The FIELD,COMP,SUBCOMP,REP parameters are optional - if not
 | 
|---|
| 132 |  ;specified, they default to 1.
 | 
|---|
| 133 |  ;  Example:
 | 
|---|
| 134 |  ;    $$GET^HLOPRS(.SEG,1) will return the value of the first field, first
 | 
|---|
| 135 |  ;  component, first subcomponent, in the first occurrence of field #1.  
 | 
|---|
| 136 |  ;Input:
 | 
|---|
| 137 |  ;SEG - (required, pass by reference) - this is the array where the parsed segment was placed by $$NEXTSEG
 | 
|---|
| 138 |  ;FIELD - the sequence # of the field (optional, defaults to 1)
 | 
|---|
| 139 |  ;COMP - the # of the component (optional, defaults to 1)
 | 
|---|
| 140 |  ;SUBCOMP - the # of the subcomponent (optional, defaults to 1)
 | 
|---|
| 141 |  ;REP - the occurrence# (optional, defaults to 1)  For a non-repeating field, the occurrence # need not be provided, because it would be 1.
 | 
|---|
| 142 |  ;Output:
 | 
|---|
| 143 |  ;  Function returns the requested value on success, "" if not valued.
 | 
|---|
| 144 |  ;
 | 
|---|
| 145 |  ;allow the segment type to be obtained via field #0 (shorthand)
 | 
|---|
| 146 |  I $D(FIELD),$G(FIELD)=0 Q $G(SEG("SEGMENT TYPE"))
 | 
|---|
| 147 |  S:'$G(FIELD) FIELD=1
 | 
|---|
| 148 |  ;
 | 
|---|
| 149 |  ;for MSH or BHS, SEQ#1 is the  field separator
 | 
|---|
| 150 |  I FIELD=1,$G(SEG("SEGMENT TYPE"))="MSH"!($G(SEG("SEGMENT TYPE"))="BHS"),$G(REP)<2,$G(COMP)<2,$G(SUBCOMP)<2 Q SEG("FIELD SEPARATOR")
 | 
|---|
| 151 |  I FIELD=1,$G(SEG("SEGMENT TYPE"))="MSH"!($G(SEG("SEGMENT TYPE"))="BHS") Q ""
 | 
|---|
| 152 |  ;
 | 
|---|
| 153 |  S:'$G(COMP) COMP=1
 | 
|---|
| 154 |  S:'$G(SUBCOMP) SUBCOMP=1
 | 
|---|
| 155 |  S:'$G(REP) REP=1
 | 
|---|
| 156 |  Q $G(SEG(FIELD,REP,COMP,SUBCOMP))
 | 
|---|