| 1 | VWUTIL ;WVEHR/Maury Pepper/Skip Ormsby- World VistA Utilities;7:32 PM 30 Jan 2008
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| 2 | ;;WVEHR-1007;WORLD VISTA;*WVEHR1*;;WorldVistA 30-Jan-08
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| 3 | ;
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| 4 | ;Modified from FOIA VISTA,
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| 5 | ;Copyright 2008 WorldVistA. Licensed under the terms of the GNU
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| 6 | ;General Public License See attached copy of the License.
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| 7 | ;
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| 8 | ;This program is free software; you can redistribute it and/or modify
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| 9 | ;it under the terms of the GNU General Public License as published by
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| 10 | ;the Free Software Foundation; either version 2 of the License, or
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| 11 | ;(at your option) any later version.
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| 12 | ;
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| 13 | ;This program is distributed in the hope that it will be useful,
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| 14 | ;but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | ;MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | ;GNU General Public License for more details.
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| 17 | ;
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| 18 | ;You should have received a copy of the GNU General Public License along
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| 19 | ;with this program; if not, write to the Free Software Foundation, Inc.,
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| 20 | ;51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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| 21 | ;
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| 22 | Q
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| 23 | ;
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| 24 | Q(V,D) ; Function to return $QUERY for variable V and direction D.
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| 25 | ; Replacement for Reverse $Q Function
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| 26 | ; 1/8/08 MLP
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| 27 | ;This function can be called for $Query -- either forward or reverse.
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| 28 | ;In place of $Q(V,D), use $$Q^ZDQ($NA(V),D)
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| 29 | ;Note: the 2nd argument is optional.
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| 30 | ;
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| 31 | S D=+$G(D,1)
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| 32 | Q:D=1 $Q(@V) ;Forward $Q
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| 33 | IF D'=-1 Q ;Will cause error due to no argument.
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| 34 | N S
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| 35 | TOP IF $QL(V)=0 Q "" ;done if unsubscripted
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| 36 | BKU S S=$O(@V,-1) ;backup to previous node on current level
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| 37 | S V=$NA(@V,$QL(V)-1) ;remove last subscript
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| 38 | IF S="" G DAT ;go chk for data if backed up all the way
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| 39 | S V=$NA(@V@(S)) ;add the subscript found when backing up.
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| 40 | IF $D(@V)>9 S V=$NA(@V@("")) G BKU ;if downpointer, descend and repeat
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| 41 | DAT IF $D(@V)#2=1 Q V ;if a data node, return with current name
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| 42 | G TOP
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