XOBVRMX.m

XOBVRMX ;mjk/alb - VistaLink Request Manager - Parse XML Requests using SAX interface ; 07/27/2002  13:00

 ;;1.5;VistALink;;Sep 09, 2005

 ;;Foundations Toolbox Release v1.5 [Build: 1.5.0.026]

 ;

 QUIT

 ;

 ; -- parse xml

EN(DOC,XOBOPT,XOBDATA,XOBHDLR) ; -- uses SAX parser

 NEW XOBCBK,XOBICBK

 DO SET(.XOBCBK)

 DO EN^MXMLPRSE(DOC,.XOBCBK,.XOBOPT)

ENQ QUIT

 ;

SET(XOBCBK) ; -- set the event interface entry points

 SET XOBCBK("STARTELEMENT")="ELEST^XOBVRMX"

 SET XOBCBK("ENDELEMENT")="ELEND^XOBVRMX"

 SET XOBCBK("CHARACTERS")="CHR^XOBVRMX"

 QUIT

 ;

ELEST(ELE,ATR) ; -- element start callback

 IF ELE="VistaLink" DO

 . SET XOBDATA("VL VERSION")=$GET(ATR("version"),"1.0")

 . ;

 . ; -- set up request handler for message type

 . SET XOBHDLR=+$$MSGTYPE^XOBVRH($GET(ATR("messageType"),"[unknown]"),.XOBHDLR)

 ;

 ; -- do start element callback for request handler

 IF $GET(XOBHDLR(XOBHDLR)) XECUTE $GET(XOBHDLR(XOBHDLR,"CB","ELEST"))

 QUIT

 ;

ELEND(ELE) ; -- element end callback

 ; -- do end element callback for request handler

 IF $GET(XOBHDLR(XOBHDLR)) XECUTE $GET(XOBHDLR(XOBHDLR,"CB","ELEND"))

 QUIT

 ;

CHR(TXT) ; -- handler characters callback

 ; -- do character callback for request handler

 IF $GET(XOBHDLR(XOBHDLR)) XECUTE $GET(XOBHDLR(XOBHDLR,"CB","CHR"))

 QUIT

 ;

ESC(X) ; -- convert special characters to \x format ; not currently used -- note QUIT at start

 QUIT X

 ;

 NEW C,Y,Z

 FOR Z=1:1 SET C=$EXTRACT(X,Z) QUIT:C=""  DO

 .SET Y=$TRANSLATE(C,$CHAR(9,10,13,92),"tnc")

 .SET:C'=Y $EXTRACT(X,Z)="" ;$S(Y="":"\\",1:"\"_Y),Z=Z+1

 QUIT X

 ;

XOBVRMX   ;mjk/alb - VistaLink Request Manager - Parse XML Requests using SAX interface ; 07/27/2002  13:00

 +1       ;;1.5;VistALink;;Sep 09, 2005

 +2       ;;Foundations Toolbox Release v1.5 [Build: 1.5.0.026]

 +3       ;

 +4        QUIT 

 +5       ;

 +6       ; -- parse xml

EN(DOC,XOBOPT,XOBDATA,XOBHDLR) ; -- uses SAX parser

 +1        NEW XOBCBK,XOBICBK

 +2        DO SET(.XOBCBK)

 +3        DO EN^MXMLPRSE(DOC,.XOBCBK,.XOBOPT)

ENQ        QUIT 

 +1       ;

SET(XOBCBK) ; -- set the event interface entry points

 +1        SET XOBCBK("STARTELEMENT")="ELEST^XOBVRMX"

 +2        SET XOBCBK("ENDELEMENT")="ELEND^XOBVRMX"

 +3        SET XOBCBK("CHARACTERS")="CHR^XOBVRMX"

 +4        QUIT 

 +5       ;

ELEST(ELE,ATR) ; -- element start callback

 +1        IF ELE="VistaLink"

               Begin DoDot:1

 +2                SET XOBDATA("VL VERSION")=$GET(ATR("version"),"1.0")

 +3       ;

 +4       ; -- set up request handler for message type

 +5                SET XOBHDLR=+$$MSGTYPE^XOBVRH($GET(ATR("messageType"),"[unknown]"),.XOBHDLR)

               End DoDot:1

 +6       ;

 +7       ; -- do start element callback for request handler

 +8        IF $GET(XOBHDLR(XOBHDLR))

               XECUTE $GET(XOBHDLR(XOBHDLR,"CB","ELEST"))

 +9        QUIT 

 +10      ;

ELEND(ELE) ; -- element end callback

 +1       ; -- do end element callback for request handler

 +2        IF $GET(XOBHDLR(XOBHDLR))

               XECUTE $GET(XOBHDLR(XOBHDLR,"CB","ELEND"))

 +3        QUIT 

 +4       ;

CHR(TXT)  ; -- handler characters callback

 +1       ; -- do character callback for request handler

 +2        IF $GET(XOBHDLR(XOBHDLR))

               XECUTE $GET(XOBHDLR(XOBHDLR,"CB","CHR"))

 +3        QUIT 

 +4       ;

ESC(X)    ; -- convert special characters to \x format ; not currently used -- note QUIT at start

 +1        QUIT X

 +2       ;

 +3        NEW C,Y,Z

 +4        FOR Z=1:1

               SET C=$EXTRACT(X,Z)

               IF C=""

                   QUIT 

               Begin DoDot:1

 +5                SET Y=$TRANSLATE(C,$CHAR(9,10,13,92),"tnc")

 +6       ;$S(Y="":"\\",1:"\"_Y),Z=Z+1

                   IF C'=Y

                       SET $EXTRACT(X,Z)=""

               End DoDot:1

 +7        QUIT X

 +8       ;