VistA-fmts/p/C0XGET2.m

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2012-02-01 15:18:11 -05:00
C0XGET1 ; GPL - Fileman Triples entry point routine ;1/12/12 17:05
;;0.1;C0X;nopatch;noreleasedate;Build 7
;Copyright 2011 George Lilly. Licensed under the terms of the GNU
;General Public License See attached copy of the License.
;
;This program is free software; you can redistribute it and/or modify
;it under the terms of the GNU General Public License as published by
;the Free Software Foundation; either version 2 of the License, or
;(at your option) any later version.
;
;This program is distributed in the hope that it will be useful,
;but WITHOUT ANY WARRANTY; without even the implied warranty of
;MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;GNU General Public License for more details.
;
;You should have received a copy of the GNU General Public License along
;with this program; if not, write to the Free Software Foundation, Inc.,
;51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
;
Q
;
LSSUBJ(RTN,ZSUBJ,C0XFARY) ; LIST NODES WITH SUBJECT ZSUBJ
;
I '$D(C0XFARY) D INITFARY^C0XF2N("C0XFARY")
D USEFARY^C0XF2N("C0XFARY")
Q
;
GRAPHS(RTN,C0XFARY) ; LIST ALL GRAPHS
;
I '$D(C0XFARY) D INITFARY^C0XF2N("C0XFARY")
D USEFARY^C0XF2N("C0XFARY")
N ZI S ZI=""
F S ZI=$O(@C0XTN@("G",ZI)) Q:ZI="" D ;
. S RTN(ZI,$$STR(ZI))=""
Q
;
STR(ZIN,C0XFARY) ; EXTRINSIC RETURNS A STRING
I '$D(C0XFARY) D INITFARY^C0XF2N("C0XFARY")
Q $$GET1^DIQ(C0XSFN,ZIN,.01,"E")
;
SPO(ZRTN,ZNODE,C0XFARY)
I '$D(C0XFARY) D INITFARY^C0XF2N("C0XFARY")
N ZI S ZI=$$NXT(.ZRTN)
S ZRTN(ZI,"S")=$$S(ZNODE)
S ZRTN(ZI,"P")=$$P(ZNODE)
S ZRTN(ZI,"O")=$$O(ZNODE)
Q
;
S(ZNODE,C0XFARY) ; EXTRINSIC RETURNING THE SUBJECT
Q $$STR($$GET1^DIQ(C0XTFN,ZNODE,.03,"I")) ;
;
P(ZNODE,C0XFARY) ; EXTRINSIC RETURNING THE PREDICATE
Q $$STR($$GET1^DIQ(C0XTFN,ZNODE,.04,"I")) ;
;
O(ZNODE,C0XFARY) ; EXTRINSIC RETURNING THE OBJECT
Q $$STR($$GET1^DIQ(C0XTFN,ZNODE,.05,"I")) ;
;
NXT(ZRTN) ;EXTRINSIC FOR THE NEXT NODE IN ARRAY ZRTN, PASSED BY REF
I '$D(ZRTN) S ZRTN=""
Q $O(ZRTN(""),-1)+1
;
SING(ZRTN,ZG) ; SUBJECTS IN GRAPH
;
I '$D(C0XFARY) D INITFARY^C0XF2N("C0XFARY")
I '$D(ZRTN) S ZRTN=""
N ZI,ZN S ZI=""
F S ZI=$O(@C0XTN@("GSPO",ZG,ZI)) Q:ZI="" D ;
. S ZRTN($$NXT(.ZRTN),"S")=$$STR(ZI)
Q
;
qparse(qrtn,zquery) ; parses the query
; want this to be able to handle the WHERE clause of SPARQL eventually
;
n q1,q2,q3,qq
;s qq=$tr(zquery," ","^")
s qq=query ; really want to remove whitespace here
s q1=$p(qq," ",1)
i q1["?" s q1=""
s q2=$p(qq," ",2)
i q2["?" s q2=""
s q3=$p(qq," ",3)
i q3["?" s q3=""
s qrtn(1)=q1_"^"_q2_"^"_q3 ; more lines to come later
q
;
rpctrip(rtn,query,limit,offset) ; rpc to access triples with a query
;
n zoff,zlim,zcount,zq
k rtn
i '$d(limit) s limit=250
i '$d(offset) s offset=0
d qparse(.zq,query) ; parse the query
n qsub,qpred,qobj,qtmp
W !,zq(1)
s qsub=$p(zq(1),"^",1)
s qpred=$p(zq(1),"^",2)
s qobj=$p(zq(1),"^",3)
d triples(.qtmp,qsub,qpred,qobj)
f zcount=offset+1:1:offset+limit q:'$d(qtmp(zcount)) d ;
. s rtn(zcount)=qtmp(zcount)
q
;
triples(triplertn,sub,pred,obj,graph,fary) ; returns triples
I '$D(fary) D ;
. D INITFARY^C0XF2N("C0XFARY")
. S fary="C0XFARY"
D USEFARY^C0XF2N(fary)
k triplertn ; start with a clean return
n zsub,zpred,zobj,zgraph,tmprtn
s zsub=$$IENOF^C0XF2N($$EXT^C0XUTIL($g(sub)),fary) ; ien of subject
s zpred=$$IENOF^C0XF2N($$EXT^C0XUTIL($g(pred)),fary) ; ien of predicate
s zobj=$$IENOF^C0XF2N($$EXT^C0XUTIL($g(obj)),fary) ; ien of object
s zgraph=$$IENOF^C0XF2N($g(graph),fary) ; ien of graph
W !,"s:",zsub," p:",zpred," o:",zobj
d trip(.tmprtn,zsub,zpred,zobj,zgraph,fary)
n zzz,zrsub,zrpred,zrobj,zgraph,zcnt,zrary
s zzz=""
f s zzz=$o(tmprtn(zzz)) q:zzz="" d ;
. s zrsub=$$GET1^DIQ(C0XTFN,zzz_",",.03,"E")
. s zrpred=$$GET1^DIQ(C0XTFN,zzz_",",.04,"E")
. s zrobj=$$GET1^DIQ(C0XTFN,zzz_",",.05,"E")
. s zrgraph=$$GET1^DIQ(C0XTFN,zzz_",",.02,"E")
. s zrary(zrsub,zrpred_"^"_zrobj)=""
;b
;
i REPLYFMT="JSON" d output(.triplertn,.zrary) q ; what follows is 'else'
;
; if no reply format is found we just output an array of triples
;
s zrsub=""
s zcnt=1
f s zrsub=$o(zrary(zrsub)) q:zrsub="" d ; organized by subject
. s zzz=""
. f s zzz=$o(zrary(zrsub,zzz)) q:zzz="" d ; pred and obj
. . s triplertn(zcnt)=zrsub_"^"_zzz
. . s zcnt=zcnt+1
q
;
configfmt(zfmtary) ; configure output routine table
s zfmtary("REPLYSTART")="LISTSTART^FMQLJSON"
s zfmtary("LISTSTART")="LISTSTART^FMQLJSON"
s zfmtary("DICTSTART")="DICTSTART^FMQLJSON"
s zfmtary("DASSERT")="DASSERT^FMQLJSON"
s zfmtary("DICTEND")="DICTEND^FMQLJSON"
s zfmtary("LISTEND")="LISTEND^FMQLJSON"
s zfmtary("REPLYEND")="REPLYEND^FMQLJSON"
d USEARY^C0XF2N("zfmtary")
q
;
output(jout,zary) ;
n zformat
d configfmt(.zformat
;d REPLYSTART^FMQLJSON("jout")
d @REPLYSTART@("jout")
;d LISTSTART^FMQLJSON("jout","results")
d @LISTSTART@("jout","results")
n zi s zi=""
f s zi=$o(zary(zi)) q:zi="" d ; for each subject
. n zii s zii=""
. ;D DICTSTART^FMQLJSON("jout",zi)
. D @DICTSTART@("jout",zi)
. f s zii=$o(zary(zi,zii)) q:zii="" d ; for each pred^obj pair
. . ;d DASSERT^FMQLJSON("jout",$p(zii,"^",1),$p(zii,"^",2))
. . d @DASSERT@("jout",$p(zii,"^",1),$p(zii,"^",2))
. ;D DICTEND^FMQLJSON("jout")
. D @DICTEND@("jout")
;d LISTEND^FMQLJSON("jout")
d @LISTEND@("jout")
;d REPLYEND^FMQLJSON("jout")
d @REPLYEND@("jout")
q
;
trip(triprtn,nsub,npred,nobj,ngraph,fary) ; returns triples iens
; nsub,npred,nobj are all optional
; graf is also optional, and will limit the search to a particular ngraph
; fary is which triple store (not implemented yet)
n c0xflag,zi,zx,zt
s zt=$na(^C0X(101)) ;
n zf1,zf2,zf3
s zf1=$s($g(nsub)="":0,1:1)
s zf2=$s($g(npred)="":0,1:1)
s zf3=$s($g(nobj)="":0,1:1)
s c0xflag="I"_zf1_zf2_zf3
n itbl
s itbl("I000","SPO")="d do3(.triprtn,zt,zi)"
s itbl("I001","OSP")="d do2(.triprtn,zt,zi,nobj)"
s itbl("I010","PSO")="d do2(.triprtn,zt,zi,npred)"
s itbl("I011","POS")="d do1(.triprtn,zt,zi,npred,nobj)"
s itbl("I100","SPO")="d do2(.triprtn,zt,zi,nsub)"
s itbl("I101","SOP")="d do1(.triprtn,zt,zi,nsub,nobj)"
s itbl("I110","SPO")="d do1(.triprtn,zt,zi,nsub,npred)"
s itbl("I111","SPO")="d do0(.triprtn,zt,zi,nsub,npred,nobj)"
s zi=$o(itbl(c0xflag,""))
s zx=itbl(c0xflag,zi) ; executable instruction to run
i $g(ngraph)'="" s zi="G"_zi
w !,zx
x zx
q
;
do0(dortn,zt,zi,z1,z2,z3)
; looking for only one triple
n zz
s zz=$o(@zt@(zi,z1,z2,z3,""))
i zz'="" s dortn(zz)=""
q
;
do1(dortn,zt,zi,z1,z2) ; have 2, looking for one
n zr,zx1
s zx1=""
f s zx1=$o(@zt@(zi,z1,z2,zx1)) q:zx1="" d ;
. s zr=$o(@zt@(zi,z1,z2,zx1,""))
. s dortn(zr)=""
q
;
do2(dortn,zt,zi,z1) ; have one, looking for 2
n zr,zx1,zx2
s (zx1,zx2)=""
f s zx1=$o(@zt@(zi,z1,zx1)) q:zx1="" d ;
. f s zx2=$o(@zt@(zi,z1,zx1,zx2)) q:zx2="" d ;
. . s zr=$o(@zt@(zi,z1,zx1,zx2,""))
. . s dortn(zr)=""
q
;
do3(dortn,zt,zi) ; have none, looking for three
n zr,zx1,zx2,zx3
s (zx1,zx2,zx3)=""
f s zx1=$o(@zt@(zi,zx1)) q:zx1="" d ;
. f s zx2=$o(@zt@(zi,zx1,zx2)) q:zx2="" d ;
. . f s zx3=$o(@zt@(zi,zx1,zx2,zx3)) q:zx3="" d ;
. . . s zr=$o(@zt@(zi,zx1,zx2,zx3,""))
. . . s dortn(zr)=""
q
;