VistA-WorldVistAEHR/r/ONCOLOGY-ONC/ONCSNACR.m

92 lines
2.7 KiB
Mathematica

ONCSNACR ;Hines OIFO/SG - NACCR TOOLS ; 3/9/07 10:40am
;;2.11;ONCOLOGY;**47**;Mar 07, 1995;Build 19
;
; ONC8DST ------------- DESCRIPTOR OF THE DESTINATION BUFFER
; (a parameter of BEGIN, END, FLUSH, and
; WRITE). See also the ^ONCSAPIR.
;
; ONC8DST( Closed root of the destination buffer
; "BUF") Output buffer
; "LBA") Available space in the output buffer
; "PTR") Pointer in the destination buffer
; "PTRC") Continuation pointer (optional)
;
Q
;
;***** STARTS THE NAACCR RECORD OUTPUT
;
; [.ONC8DST] Reference to a descriptor of the destination buffer
;
BEGIN(ONC8DST) ;
Q:$G(ONC8DST)=""
K ONC8DST("BUF"),ONC8DST("LBA")
S:'$D(ONC8DST("PTR")) ONC8DST("PTR")=+$O(@ONC8DST@(""),-1)
;--- Open tag for the NAACCR record
D PUT^ONCSAPIR(.ONC8DST,"NAACCR-RECORD",,1)
D FLUSH(.ONC8DST)
Q
;
;***** RETURNS CRC32 VALUE FOR THE NAACCR RECORD
;
; [.ONC8DST] Reference to a descriptor of the destination buffer
;
; Return values:
; 0 NAACCR record data has not been found
; ... CRC32 value
;
CRC32(ONC8DST) ;
N BUF,CRC,FLT,FLTL,PI
S FLTL=$L(ONC8DST)-1,FLT=$E(ONC8DST,1,FLTL)
;--- Search for beginning of the record data
S PI=ONC8DST
F S PI=$Q(@PI) Q:$E(PI,1,FLTL)'=FLT Q:$E(@PI,1,14)="<NAACCR-RECORD"
Q:$E(PI,1,FLTL)'=FLT 0
;--- Calculate the checksum
S CRC=4294967295
F S PI=$Q(@PI) Q:$E(PI,1,FLTL)'=FLT S BUF=@PI Q:BUF="</NAACCR-RECORD>" D
. S CRC=$$CRC32^XLFCRC(BUF,CRC)
;--- Success
Q CRC
;
;***** FINISHES THE NAACCR RECORD OUTPUT
;
; [.ONC8DST] Reference to a descriptor of the destination buffer
;
END(ONC8DST) ;
I $G(ONC8DST)="" W ! Q
;--- Close tag for the NAACCR record
D FLUSH(.ONC8DST),APPEND^ONCSAPIR(.ONC8DST,"</NAACCR-RECORD>",1)
K ONC8DST("BUF"),ONC8DST("LBA")
Q
;
;***** FLUSHES THE OUTPUT BUFFER
;
; [.ONC8DST] Reference to a descriptor of the destination buffer
;
FLUSH(ONC8DST) ;
Q:$G(ONC8DST)=""
D:$G(ONC8DST("BUF"))'="" APPEND^ONCSAPIR(.ONC8DST,ONC8DST("BUF"),1)
S ONC8DST("BUF")="",ONC8DST("LBA")=250
Q
;
;***** OUTPUTS THE PIECE OF THE NAACCR RECORD
;
; [.ONC8DST] Reference to a descriptor of the destination buffer
;
; VAL A piece of the NAACCR record
;
WRITE(ONC8DST,VAL) ;
I $G(ONC8DST)="" W VAL Q
N ENCTXT,LT
S ENCTXT=$$SYMENC^MXMLUTL(VAL),LT=$L(ENCTXT)
F Q:LT'>0 D
. I LT>ONC8DST("LBA") D
. . S ONC8DST("BUF")=ONC8DST("BUF")_$E(ENCTXT,1,ONC8DST("LBA"))
. . S $E(ENCTXT,1,ONC8DST("LBA"))=""
. . S LT=LT-ONC8DST("LBA"),ONC8DST("LBA")=0
. E D
. . S ONC8DST("BUF")=ONC8DST("BUF")_ENCTXT
. . S ONC8DST("LBA")=ONC8DST("LBA")-LT,LT=0
. D:ONC8DST("LBA")'>0 FLUSH(.ONC8DST)
Q