C0CMXML	  ; ERX/GPL - MXML based XPath utilities;10/13/09  17:05
	;;0.1;C0P;nopatch;noreleasedate
	;Copyright 2009 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
	;
TEST	;
	S C0CXMLIN=$NA(^TMP("C0CMXML",$J))
	K GARY
	W $$FTG^%ZISH("/home/vademo2/EHR/p/","mxml-test.xml",$NA(@C0CXMLIN@(1)),3)
	S C0CDOCID=$$PARSE(C0CXMLIN) W !,"DocID: ",C0CDOCID
	S REDUX="//ContinuityOfCareRecord/Body"
	D XPATH(1,"/","GIDX","GARY",,REDUX)
	Q
	;
TEST2	;
	S REDUX="//soap:Envelope/soap:Body/GetPatientFullMedicationHistory5Response/GetPatientFullMedicationHistory5Result/patientDrugDetail"
	D XPATH(1,"/","GIDX","GARY","",REDUX)
	Q
	;
XPATH(ZOID,ZPATH,ZXIDX,ZXPARY,ZNUM,ZREDUX)	; RECURSIVE ROUTINE TO POPULATE
	; THE XPATH INDEX ZXIDX, PASSED BY NAME
	; THE XPATH ARRAY XPARY, PASSED BY NAME
	; ZOID IS THE STARTING OID
	; ZPATH IS THE STARTING XPATH, USUALLY "/"
	; ZNUM IS THE MULTIPLE NUMBER [x], USUALLY NULL WHEN ON THE TOP NODE
	; ZREDUX IS THE XPATH REDUCTION STRING, TAKEN OUT OF EACH XPATH IF PRESENT
	I $G(ZREDUX)="" S ZREDUX=""
	N NEWPATH
	N NEWNUM S NEWNUM=""
	I $G(ZNUM)>0 S NEWNUM="["_ZNUM_"]"
	S NEWPATH=ZPATH_"/"_$$TAG(ZOID)_NEWNUM ; CREATE THE XPATH FOR THIS NODE
	I $G(ZREDUX)'="" D  ; REDUX PROVIDED?
	. N GT S GT=$P(NEWPATH,ZREDUX,2)
	. I GT'="" S NEWPATH=GT
	S @ZXIDX@(NEWPATH)=ZOID ; ADD THE XPATH FOR THIS NODE TO THE XPATH INDEX
	N GD D DATA("GD",ZOID) ; SEE IF THERE IS DATA FOR THIS NODE
	I $D(GD(2)) M @ZXPARY@(NEWPATH)=GD ; IF MULITPLE DATA MERGE TO THE ARRAY
	E  I $D(GD(1)) S @ZXPARY@(NEWPATH)=GD(1) ; IF SINGLE VALUE, ADD TO ARRAY
	N ZFRST S ZFRST=$$FIRST(ZOID) ; SET FIRST CHILD
	I ZFRST'=0 D  ; THERE IS A CHILD
	. N ZMULT S ZMULT=$$ISMULT(ZFRST) ; IS FIRST CHILD A MULTIPLE
	. D XPATH(ZFRST,NEWPATH,ZXIDX,ZXPARY,$S(ZMULT:1,1:""),ZREDUX) ; DO THE CHILD
	N GNXT S GNXT=$$NXTSIB(ZOID)
	I GNXT'=0 D  ;
	. D XPATH(GNXT,ZPATH,ZXIDX,ZXPARY,$S(ZNUM>0:ZNUM+1,1:""),ZREDUX) ; DO NEXT SIB
	Q
	;
PARSE(INXML,INDOC)	;CALL THE MXML PARSER ON INXML, PASSED BY NAME
	; INDOC IS PASSED AS THE DOCUMENT NAME - DON'T KNOW WHERE TO STORE THIS NOW
	; EXTRINSIC WHICH RETURNS THE DOCID ASSIGNED BY MXML
	;Q $$EN^MXMLDOM(INXML)
	Q $$EN^MXMLDOM(INXML,"W")
	;
ISMULT(ZOID)	; RETURN TRUE IF ZOID IS ONE OF A MULTIPLE
	N ZN
	S ZN=$$NXTSIB(ZOID)
	I ZN'="" Q $$TAG(ZOID)=$$TAG(ZN) ; IF TAG IS THE SAME AS NEXT SIB TAG
	Q 0
	;
FIRST(ZOID)	;RETURNS THE OID OF THE FIRST CHILD OF ZOID
	Q $$CHILD^MXMLDOM(C0CDOCID,ZOID)
	;
TAG(ZOID)	; RETURNS THE XML TAG FOR THE NODE
	Q $$NAME^MXMLDOM(C0CDOCID,ZOID)
	;
NXTSIB(ZOID)	; RETURNS THE NEXT SIBLING
	Q $$SIBLING^MXMLDOM(C0CDOCID,ZOID)
	;
DATA(ZT,ZOID)	; RETURNS DATA FOR THE NODE
	;N ZT,ZN S ZT=""
	;S C0CDOM=$NA(^TMP("MXMLDOM",$J,C0CDOCID))
	;Q $G(@C0CDOM@(ZOID,"T",1))
	S ZN=$$TEXT^MXMLDOM(C0CDOCID,ZOID,ZT)
	Q
	;