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DIFROMSD	;SFISC/DCL-DIFROM SERVER DD LIST(KIDS/BUILD FILE);08:33 AM  6 Sep 1994;
	;;21.0;VA FileMan;;Dec 28, 1994
	;Per VHA Directive 10-93-142, this routine should not be modified.
	;
DD(DIFRFILE,DIFRFLG,DIFRTA)	;FILENUMBER, TARGET ARRAY ROOT FOR SUB DD NRS
	;FILE, FLAGS, TARGET ARRAY
	;FILE = File number
	;FLAG = "W"  Include Word Processing DD numbers
	;DIFRTA = Target Array in closed array root format where informaiton
	;         is returned.
	;         Returns a list of sub DD numbers.  A flag allows wp DD
	;         numbers to also be returned.
	N DIFRFD,DIFRFE,DIFRFW,DIFRNM,DIFRX
	S DIFRFW=$G(DIFRFLG)'["W"
F	S @DIFRTA@(DIFRFILE,DIFRFILE)=$O(^DD(DIFRFILE,0,"NM",""))_"  "_$S($D(^DIC(DIFRFILE,0)):"(File-top level)",1:"(sub-file)"),DIFRFE=0
E	F  S DIFRFE=$O(@DIFRTA@(DIFRFILE,DIFRFE)) Q:DIFRFE'>0  D
	.S DIFRFD=0
	.F  S DIFRFD=$O(^DD(DIFRFE,"SB",DIFRFD)) Q:DIFRFD'>0  D
	..I DIFRFW,$P(^DD(DIFRFD,.01,0),"^",2)["W" Q
	..I DIFRFILE-DIFRFE!'$D(DIFRFA) S @DIFRTA@(DIFRFILE,DIFRFD)=$O(^DD(DIFRFD,0,"NM",""))_"  (sub-file)"
	..Q
	.Q
	Q
	;
DDIOLDD(DIFRFILE,DIFRFLG)	;
	;FILE,FLAGS
	;FILE = File number
	;FLAGS = None
	;        Returns a list of all the valid DD numbers within a file
	;        via a call to DDIOL.
	N I,X,Y
	K ^TMP("DIFROMSP",$J)
	D DD(DIFRFILE,"","^TMP(""DIFROMSP"",$J)")
	S (I,X)=0 F  S I=$O(^TMP("DIFROMSP",$J,DIFRFILE,I)) Q:I'>0  S Y=^(I),X=X+1,^TMP("DIFROMSP",$J,"DDIOL",X,0)=I_$J("",(20-$L(I)))_Y
	D EN^DDIOL("","^TMP(""DIFROMSP"",$J,""DDIOL"")")
	K ^TMP("DIFROMSP",$J)
	Q
	;
CHKDD(DIFRFILE,DIFRDD,DIFRFLG)	;    $$    EXTRINSIC FUNCTION    $$
	;Extrinsic; Pass file and DD numbers returns 1 if OK
	; and 0 if not DD not part of File
	;FILE,DD#
	;FILE = File number
	;DD# = File or sub-file number.
	;      Used to determine if
	;      the value in DD# is valid for FILE.
	;FLAGS = "N"umber_"^"_"N"ame of field returned
	;        Default returns a 1 (true) or 0 (false).
	Q:$G(DIFRDD)="" 0
	Q:$G(DIFRFILE)="" 0
	N DIFRARAY,N
	S N=$G(DIFRFLG)["N"
	D DD(DIFRFILE,"","DIFRARAY")
	I $D(DIFRARAY(DIFRFILE,DIFRDD)) Q:N DIFRDD_"^"_DIFRARAY(DIFRFILE,DIFRDD) Q 1
	Q 0
	;
DDIOLFLD(DIFRDD,DIFRFLG)	;
	;FILE/SUB_FILE,FLAGS
	;FILE = File or sub-file number
	;FLAGS = "M"ultiple fields excluded
	;        "W"ord processing fields excluded
	;        Returns a list of  valid field numbers within a file or
	;        sub-file via a call to DDIOL.
	N I,M,W,X,Y,Z
	S M=$G(DIFRFLG)["M",W=$G(DIFRFLG)["W"
	K ^TMP("DIFROMSP",$J)
	S (I,X)=0 F  S X=$O(^DD(DIFRDD,X)) Q:X'>0  S Y=$G(^(X,0)) D
	.I $P(Y,"^",2) D  Q:Y=""
	..S Z=$P(^DD(+$P(Y,"^",2),.01,0),"^",2)
	..I M,Z'["W" S Y="" Q
	..I W,Z["W" S Y="" Q
	..S $P(Y,"^")=$P(Y,"^")_$S(Z["W":"  (word-processing)",1:"  (multiple)")
	..Q
	.S I=I+1,^TMP("DIFROMSP",$J,I,0)=X_$J("",(12-$L(X)))_$P(Y,"^")
	D EN^DDIOL("","^TMP(""DIFROMSP"",$J)")
	K ^TMP("DIFROMSP",$J)
	Q
	;
FLDCHK(DIFRDD,DIFRFLD,DIFRFLG)	;     $$    EXTRINSIC FUNCTION     $$
	;Check if field exist; return 1/FIELD#_NAME, true, or 0, false.
	;FILE/SUB_FILE,FIELD,FLAGS
	;FILE/SUB_FILE = File or sub-file number
	;FIELD = Field number
	;        If FIELD is valid, returns 1; Otherwise 0 is returned.
	;FLAGS = "M"ultiple fields excluded
	;        "W"ord processing fields excluded
	;        "N"umber_"^"_"N"ame of field returned.
	;         Default is to return 1 or 0.
	;
	Q:$G(DIFRDD)="" 0
	Q:$G(DIFRFLD)="" 0
	N M,N,W,Z
	S M=$G(DIFRFLG)["M",W=$G(DIFRFLG)["W",N=$G(DIFRFLG)["N"
	I $P($G(^DD(DIFRDD,DIFRFLD,0)),"^",2) S Z=$P(^DD(+$P(^(0),"^",2),.01,0),"^",2) D  Q:N $S(Z:DIFRFLD_"^"_$P(^DD(DIFRDD,DIFRFLD,0),"^"),1:Z) Q Z
	.I M,Z'["W" S Z=0 Q
	.I W,Z["W" S Z=0 Q
	.S Z=1
	.Q
	I $D(^DD(DIFRDD,DIFRFLD,0))#2 Q:N DIFRFLD_"^"_$P(^(0),"^") Q 1
	Q 0