DIDU1 ;SEA/TOAD-VA FileMan: DD Tools, IENS Check ;10:39 AM  8 Jul 1998
 ;;22.2;VA FileMan;;Jan 05, 2016;Build 42
 ;;Per VA Directive 6402, this routine should not be modified.
 ;;Submitted to OSEHRA 5 January 2015 by the VISTA Expertise Network.
 ;;Based on Medsphere Systems Corporation's MSC FileMan 1051.
 ;;Licensed under the terms of the Apache License, Version 2.0.
 ;
IEN(DIENS,DIFLAGS) ;
 ;ENTRY POINT--return whether the IEN String is valid
 ;extrinsic function, all passed by value
 I $G(DIENS)="" Q 0
 I $G(DIFLAGS,"N")'="N" Q 0
 S DIFLAGS=$G(DIFLAGS)
 N DICHAR,DICRSR,DIPIECE,DISEQ,DIOUT,DIVALID
 S DIPIECE="",DISEQ="",DIOUT=0,DIVALID=1
 F DICRSR=1:1 D  I DIOUT Q
 .S DIPIECE=$P(DIENS,",",DICRSR)
 .I DIPIECE="" D  Q
 ..I $P(DIENS,",",DICRSR,999)="" S DIOUT=1 Q
I1 ..I DICRSR=1 Q
 ..S DIOUT=1,DIVALID=0
 ..Q
 .I +DIPIECE=DIPIECE S DIVALID=DIPIECE>0,DIOUT='DIVALID Q
 .I DIFLAGS["N" S DIVALID=0,DIOUT=1 Q
 .S DICHAR=$E(DIPIECE,1,2) I DICHAR'="?+" S DICHAR=$E(DICHAR)
 .I DICHAR'="+",DICHAR'="?",DICHAR'="?+" S DIOUT=1,DIVALID=0 Q
 .I $P(DIPIECE,DICHAR,2,9999)?1N.N D  Q
 ..S DISEQ=$P(DIPIECE,DICHAR,2,999)
 ..S DIOUT=+DISEQ'=DISEQ!$D(DISEQ(DISEQ)),DIVALID='DIOUT Q
I2 .S DIOUT=1,DIVALID=0
 .Q
 Q $E(DIENS,$L(DIENS))=","&DIVALID
 ;
PROOT(DIFILE,DIENS) ;
 ;ENTRY POINT--return the global root of a subfile's parent
 ;extrinsic function, all passed by value
 Q $$ROOT^DILFD($$PARENT(DIFILE),$P(DIENS,",",2,999),1)
 ;
PARENT(DIFILE) ;
 ;ENTRY POINT--return the file number of a subfile's parent
 ;extrinsic function, all passed by value
 Q $G(^DD(DIFILE,0,"UP"))
 ;
PARENTS(DIFILE,DIRULE) ;
 ;IEN--return the file's parents
 ;procedure, passed by ref
 N DIBACK,DIOUT,DIMOM,DITEMP
 S DIOUT=0,DIMOM=DIFILE
 S DITEMP=DIFILE K DIFILE S (DIFILE,DIFILE("C"))=DITEMP
 S DIFILE("L")=$$LEVEL(DIFILE)
 S DIFILE(1)=DIFILE
 I '$D(DIRULE("L",DIFILE)) S DIRULE("L",DIFILE)=DIFILE("L")
 F DIBACK=2:1 D  I DIOUT Q
 .S DITEMP=DIMOM
 .S DIMOM=$G(DIRULE("UP",DITEMP))
PA1 .I DIMOM="" D  I DIOUT Q
 ..S DIMOM=$G(^DD(DITEMP,0,"UP"))
 ..I DIMOM="" S DIOUT=1 Q
 ..S DIRULE("UP",DITEMP)=DIMOM
 ..I '$D(DIRULE("L",DIMOM)) S DIRULE("L",DIMOM)=DIFILE("L")-DIBACK+1
 ..Q
 .S DIFILE(DIBACK)=DIMOM
 .Q
 Q
 ;
LEVEL(DIFILE) ;
 ;IEN--return the file's level (# parents +1)
 ;function, pass by value
 N DIMOM
 I '$G(DIFILE) Q 0
 S DIMOM=$G(^DD(DIFILE,0,"UP"))
 I DIMOM="" Q 1
 Q $$LEVEL(DIMOM)+1
 ;
 
--- Routine Detail   --- with STRUCTURED ROUTINE LISTING ---[H[J[2J[HDIDU1   2446     printed  Sep 23, 2025@20:23:02                                                                                                                                                                                                       Page 2
DIDU1     ;SEA/TOAD-VA FileMan: DD Tools, IENS Check ;10:39 AM  8 Jul 1998
 +1       ;;22.2;VA FileMan;;Jan 05, 2016;Build 42
 +2       ;;Per VA Directive 6402, this routine should not be modified.
 +3       ;;Submitted to OSEHRA 5 January 2015 by the VISTA Expertise Network.
 +4       ;;Based on Medsphere Systems Corporation's MSC FileMan 1051.
 +5       ;;Licensed under the terms of the Apache License, Version 2.0.
 +6       ;
IEN(DIENS,DIFLAGS) ;
 +1       ;ENTRY POINT--return whether the IEN String is valid
 +2       ;extrinsic function, all passed by value
 +3        IF $GET(DIENS)=""
               QUIT 0
 +4        IF $GET(DIFLAGS,"N")'="N"
               QUIT 0
 +5        SET DIFLAGS=$GET(DIFLAGS)
 +6        NEW DICHAR,DICRSR,DIPIECE,DISEQ,DIOUT,DIVALID
 +7        SET DIPIECE=""
           SET DISEQ=""
           SET DIOUT=0
           SET DIVALID=1
 +8        FOR DICRSR=1:1
               Begin DoDot:1
 +9                SET DIPIECE=$PIECE(DIENS,",",DICRSR)
 +10               IF DIPIECE=""
                       Begin DoDot:2
 +11                       IF $PIECE(DIENS,",",DICRSR,999)=""
                               SET DIOUT=1
                               QUIT 
I1                         IF DICRSR=1
                               QUIT 
 +1                        SET DIOUT=1
                           SET DIVALID=0
 +2                        QUIT 
                       End DoDot:2
                       QUIT 
 +3                IF +DIPIECE=DIPIECE
                       SET DIVALID=DIPIECE>0
                       SET DIOUT='DIVALID
                       QUIT 
 +4                IF DIFLAGS["N"
                       SET DIVALID=0
                       SET DIOUT=1
                       QUIT 
 +5                SET DICHAR=$EXTRACT(DIPIECE,1,2)
                   IF DICHAR'="?+"
                       SET DICHAR=$EXTRACT(DICHAR)
 +6                IF DICHAR'="+"
                       IF DICHAR'="?"
                           IF DICHAR'="?+"
                               SET DIOUT=1
                               SET DIVALID=0
                               QUIT 
 +7                IF $PIECE(DIPIECE,DICHAR,2,9999)?1N.N
                       Begin DoDot:2
 +8                        SET DISEQ=$PIECE(DIPIECE,DICHAR,2,999)
 +9                        SET DIOUT=+DISEQ'=DISEQ!$DATA(DISEQ(DISEQ))
                           SET DIVALID='DIOUT
                           QUIT 
                       End DoDot:2
                       QUIT 
I2                 SET DIOUT=1
                   SET DIVALID=0
 +1                QUIT 
               End DoDot:1
               IF DIOUT
                   QUIT 
 +2        QUIT $EXTRACT(DIENS,$LENGTH(DIENS))=","&DIVALID
 +3       ;
PROOT(DIFILE,DIENS) ;
 +1       ;ENTRY POINT--return the global root of a subfile's parent
 +2       ;extrinsic function, all passed by value
 +3        QUIT $$ROOT^DILFD($$PARENT(DIFILE),$PIECE(DIENS,",",2,999),1)
 +4       ;
PARENT(DIFILE) ;
 +1       ;ENTRY POINT--return the file number of a subfile's parent
 +2       ;extrinsic function, all passed by value
 +3        QUIT $GET(^DD(DIFILE,0,"UP"))
 +4       ;
PARENTS(DIFILE,DIRULE) ;
 +1       ;IEN--return the file's parents
 +2       ;procedure, passed by ref
 +3        NEW DIBACK,DIOUT,DIMOM,DITEMP
 +4        SET DIOUT=0
           SET DIMOM=DIFILE
 +5        SET DITEMP=DIFILE
           KILL DIFILE
           SET (DIFILE,DIFILE("C"))=DITEMP
 +6        SET DIFILE("L")=$$LEVEL(DIFILE)
 +7        SET DIFILE(1)=DIFILE
 +8        IF '$DATA(DIRULE("L",DIFILE))
               SET DIRULE("L",DIFILE)=DIFILE("L")
 +9        FOR DIBACK=2:1
               Begin DoDot:1
 +10               SET DITEMP=DIMOM
 +11               SET DIMOM=$GET(DIRULE("UP",DITEMP))
PA1                IF DIMOM=""
                       Begin DoDot:2
 +1                        SET DIMOM=$GET(^DD(DITEMP,0,"UP"))
 +2                        IF DIMOM=""
                               SET DIOUT=1
                               QUIT 
 +3                        SET DIRULE("UP",DITEMP)=DIMOM
 +4                        IF '$DATA(DIRULE("L",DIMOM))
                               SET DIRULE("L",DIMOM)=DIFILE("L")-DIBACK+1
 +5                        QUIT 
                       End DoDot:2
                       IF DIOUT
                           QUIT 
 +6                SET DIFILE(DIBACK)=DIMOM
 +7                QUIT 
               End DoDot:1
               IF DIOUT
                   QUIT 
 +8        QUIT 
 +9       ;
LEVEL(DIFILE) ;
 +1       ;IEN--return the file's level (# parents +1)
 +2       ;function, pass by value
 +3        NEW DIMOM
 +4        IF '$GET(DIFILE)
               QUIT 0
 +5        SET DIMOM=$GET(^DD(DIFILE,0,"UP"))
 +6        IF DIMOM=""
               QUIT 1
 +7        QUIT $$LEVEL(DIMOM)+1
 +8       ;