114 lines
4.2 KiB
Mathematica
114 lines
4.2 KiB
Mathematica
DICLIX ;SEA/TOAD,SF/TKW-FileMan: Lister, Search Compound Indexes ;6/5/00 10:13
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;;22.0;VA FileMan;**4,3**;Mar 30, 1999;
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;Per VHA Directive 10-93-142, this routine should not be modified.
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;
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WALK(DIFLAGS,DINDEX,DIDENT,DIFILE,DIEN,DIFIEN,DISCREEN,DILIST,DINDEX0,DIXV,DIC) ;
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;
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; a walker to traverse a compound index, taking actions
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; DINDEX is an array describing the index and how to walk it
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;
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PREP ; prepare to loop through subscript
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;
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N DISUB S DISUB=DINDEX("AT")
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N DIVAL S DIVAL=DINDEX(DISUB)
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N DIPART,DIMORE S DIPART=$G(DINDEX(DISUB,"PART")),DIMORE=+$G(DINDEX(DISUB,"MORE?"))
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I $G(DINDEX(DISUB,"USE")),DIVAL'="" D
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. S DIVAL=$O(@DINDEX(DISUB,"ROOT")@(DIVAL),-DINDEX(DISUB,"WAY"))
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;
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LOOP ; loop through subscripts
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;
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N DIDONE,DISKIP S DIDONE=0 F D Q:DIDONE!$G(DIERR)
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. S DIVAL=$O(@DINDEX(DISUB,"ROOT")@(DIVAL),DINDEX(DISUB,"WAY"))
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.
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DATA . ; if we're in the data subscripts, we need to walk further
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.
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. I DISUB'>DINDEX("#") D Q
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. . I DISUB=1,$O(DIXV(0)) D LOWSUB
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. . S DISKIP=0
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. . I DIVAL'="",'$D(DINDEX(DISUB,"IXROOT")) D CHK Q:DISKIP
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. . S:DIVAL="" DIDONE=1
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. . Q:DIDONE
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. . S DINDEX(DISUB)=DIVAL,DINDEX("AT")=DISUB+1
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. . I $D(DINDEX("ROOTCNG",DISUB+1)) D BLDTMP^DICLIX1(.DINDEX,.DISCREEN,DIFLAGS,.DIDENT)
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. . D WALK(.DIFLAGS,.DINDEX,.DIDENT,.DIFILE,.DIEN,DIFIEN,.DISCREEN,.DILIST,.DINDEX0,"",.DIC)
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. . S DINDEX("AT")=DISUB
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. . I $G(DINDEX("DONE"))!$G(DIERR) S DIDONE=1
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. . Q
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.
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IEN . ; otherwise, we're in the IEN subscripts & need to process
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.
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. I DIVAL="" S DIDONE=1 Q
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. I DINDEX="B" N DISKIPMN,DIMNEM S DISKIPMN=0 D Q:DISKIPMN
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. . I $D(@DINDEX(DISUB,"ROOT")@(DIVAL))#2 Q:'^(DIVAL)
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. . E Q:'$O(@DINDEX(DISUB,"ROOT")@(DIVAL,""))
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. . I DIFLAGS["M" S DISKIPMN=1 Q
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. . S DIMNEM="" Q
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. I $G(DINDEX(DISUB,"TO")) D Q:DIDONE
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. . Q:$D(DINDEX(DISUB,"IXROOT"))
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. . D BACKPAST^DICLIX1(DIFLAGS,.DINDEX,DISUB,DIVAL,.DIDONE) Q
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. D TRY
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. Q
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CLEAN ; clean up after loop, exit
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S DINDEX(DISUB)=""
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I DISUB>1,$G(DINDEX(DISUB,"PART"))]"" S DINDEX(DISUB)=DINDEX(DISUB,"FROM")
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Q
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;
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CHK ; See whether we have a match or are at the end of the subscripts.
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D MATCH I DIDONE,'$G(DINDEX("DONE")),DIMORE D
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. S DIDONE=0 D FINDMORE^DICLIX0(DISUB,.DIVAL,DIPART,.DINDEX,.DIMORE) I DIVAL="" S DIDONE=1 Q
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. D MATCH Q
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Q
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;
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MATCH ; No more subscripts or partial matches, or past our TO value?
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Q:DIVAL=""
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I $P(DIVAL,$G(DIPART))'="" S DIDONE=1 Q
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Q:$G(DINDEX(DISUB,"TO"))=""
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I DIFLAGS["p" D BACKPAST^DICLIX1(DIFLAGS,.DINDEX0,DISUB,DIVAL,.DIDONE) Q
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I $G(DINDEX(DISUB+1,"TO"))="" D BACKPAST^DICLIX1(DIFLAGS,.DINDEX,DISUB,DIVAL,.DIDONE)
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Q
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;
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LOWSUB ; Find next subscript value from multiple pointed-to files
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N I,DILOWNO,DILOWVAL S DILOWNO=+DIFILE("STACK"),DILOWVAL=DIVAL
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I DILOWVAL="" D I 'DILOWNO K DIXV Q
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. K DIXV(DILOWNO),DIFILE("STACKEND",DILOWNO)
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. S DILOWNO=$O(DIXV(0)),DILOWVAL=$G(DIXV(+DILOWNO,1,"NXTVAL"))
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. Q
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N J S J=DILOWNO
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I DILOWVAL'="" F I=0:0 S I=$O(DIFILE("STACKEND",I)) Q:'I I I'=J D
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. I DINDEX(1,"WAY")=1,DILOWVAL']]DIXV(I,1,"NXTVAL") Q
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. I DINDEX(1,"WAY")=-1,DIXV(I,1,"NXTVAL")']]DILOWVAL Q
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. S DILOWNO=I,DILOWVAL=$G(DIXV(DILOWNO,1,"NXTVAL"))
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. Q
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I DILOWNO'=DIFILE("STACK") D
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. I DIVAL'="" S DIXV(+DIFILE("STACK"),1,"NXTVAL")=DIVAL
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. S DIFILE("STACK")=DILOWNO_U_DIFILE("STACKEND",DILOWNO)
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. S DIVAL=DILOWVAL
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. S DIFILE=+$P(DIFILE("STACK"),U,3)
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. M DINDEX=DIXV(DILOWNO) Q
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Q
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;
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TRY ; Apply screens to entry. If passed, add entry to output.
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S (DIEN,DINDEX(DISUB))=DIVAL
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I DIFLAGS["p" D
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. S DINDEX0(1,"EXT")=DINDEX(1)
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. D BACKTRAK^DICL3(.DIFLAGS,.DIFILE,DIFILE("STACK"),.DIEN,DIFIEN,.DINDEX0,.DINDEX,.DIDENT,.DISCREEN,.DILIST)
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. S:$G(DINDEX0("DONE")) (DIDONE,DINDEX("DONE"))=1 Q
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I DIFLAGS'["p" D
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. N DI0NODE S DI0NODE=$G(@DIFILE(DIFILE)@(DIEN,0))
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. Q:$$SCREEN^DICL2(.DIFILE,.DIEN,DIFLAGS,DIFIEN,.DISCREEN,.DINDEX,DI0NODE)
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. D ACCEPT^DICL2(.DIFILE,.DIEN,.DIFLAGS,DIFIEN,.DINDEX,.DIDENT,.DILIST,DI0NODE)
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. Q
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Q:$G(DIERR)!($G(DINDEX("DONE")))
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I DIDENT(-1)=DIDENT(-1,"MAX") D
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. I 'DIDENT(-1,"JUST LOOKING") S DIDONE=1,DINDEX("DONE")=1 Q
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. ; If called from online DIC help ^DICQ, display list.
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. Q:DIFLAGS'["h"
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. K DTOUT,DUOUT S DICQ(0,"MAP")=DIDENT(-3)
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. D DSP^DICQ1(.DINDEX,.DICQ,.DIC,.DIFILE)
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. I $G(DTOUT)!($G(DUOUT)) S (DINDEX("DONE"),DIDONE)=1 Q
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. S DILIST("ORDER")=$S(DINDEX("WAY")=1:0,1:DIDENT(-1,"MAX")+1)
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. S DIDENT(-1)=0,DIDENT(-1,"JUST LOOKING")=0 Q
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Q
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;
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;
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