VistA-FOIAVistA/r/KERNEL-XU-A4A7-USC-XG-XLF-X.../_ZISH.m

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%ZISH ;ISF/AC,RWF - GT.M for VMS/Unix Host file Control ;01/04/2005 10:44
;;8.0;KERNEL;**275,306,385**;Jul 10, 1995;Build 3
; for GT.M for Unix/VMS, version 4.3
;
OPENERR ;
Q 0
;
OPEN(X1,X2,X3,X4,X5,X6) ;SR. Open file
;D OPEN^%ZISH([handlename],[directory],filename,[accessmode],[recsize])
;X1=handle name
;X2=directory, X3=filename, X4=access mode
;X5=new file max record size, X6=Subtype
;
N %,%1,%2,%IO,%I2,%P,%T,X,Y,$ETRAP
S $ETRAP="D OPNERR^%ZISH"
S U="^",X2=$$DEFDIR($G(X2)),X4=$$UP^XLFSTR(X4)
S Y=$S(X4["A":"append",X4["R":"readonly",X4["W":"newversion",1:"readonly")
S Y=Y_$S(X4["B":":fixed:nowrap:recordsize=512",$G(X5)&(X4["W"):":WIDTH="_+X5,1:"")
S:$E(Y)=":" Y=$E(Y,2,999) S %IO=X2_X3,%I2="%IO:"_$S($L(Y):"("_Y_")",1:"")_":3"
O @%I2 S %T=$T
I '%T S POP=1 Q
S IO=%IO,IO(1,IO)="",IOT="HFS",IOM=80,IOSL=60,POP=0 D SUBTYPE^%ZIS3($G(X6))
I $G(X1)]"" D SAVDEV^%ZISUTL(X1)
U IO U $P ;Enable use of $ZA to test EOF condition.
Q
OPNERR ;error on open
S POP=1,$ECODE=""
U:$G(%P)]"" %P
Q
;
CLOSE(X) ;SR. Close HFS device not opened by %ZIS.
;X1=Handle name, IO=device
I IO]"" C IO K IO(1,IO)
I $G(X)]"" D RMDEV^%ZISUTL(X)
I $D(IO("HOME"))!$D(^XUTL("XQ",$J,"IOS")) D HOME^%ZIS
Q
DEL(%ZX1,%ZX2) ;ef,SR. Del fl(s)
;S Y=$$DEL^%ZISH("dir path",$NA(array))
N %ZISH,%ZISHLGR,%ZX,X,%ZXDEL
S %ZX1=$$DEFDIR($G(%ZX1)),%ZXDEL=1,%ZISH=""
F S %ZISH=$O(@%ZX2@(%ZISH)) Q:%ZISH="" D
. N $ETRAP,$ESTACK S $ETRAP="D DELERR^%ZISH"
. I %ZISH["*" S %ZXDEL=0 Q ; Wild card not allowed.
. S %ZX=$ZSEARCH(%ZX1_%ZISH)
. Q:%ZX']"" ; File doesn't exist - not an error, just quit.
. O %ZX:READONLY:0
. I '$T S %ZXDEL=0 Q ; Can't open it.
. C %ZX:DELETE
. I $ZSEARCH(%ZX)]"" S %ZXDEL=0 ; Delete was not successful.
Q %ZXDEL
DELERR ;Trap any $ETRAP error, unwind and return.
S $ETRAP="D UNWIND^%ZTER"
S %ZXDEL=0
D UNWIND^%ZTER
Q
;
LIST(%ZX1,%ZX2,%ZX3) ;ef,SR. Set local array holding fl names
;S Y=$$LIST^ZISH("/dir/","list_root","return_root")
;list_root can have XX("A*"), XX("test.com")...
;Both arrays passed as $NA values (closed roots).
N %ZISH,%ZIX,%ZIY,POP,X
N $ETRAP,$ESTACK S $ETRAP="G LSTX^%ZISH",%ZX1=$$DEFDIR($G(%ZX1))
;Get fls, Build listing in %ZISHDL1 with ls
S %ZISH=""
F S %ZISH=$O(@%ZX2@(%ZISH)) Q:%ZISH="" D
. S %ZIX=$ZPARSE(%ZX1_%ZISH) Q:%ZIX=""
. F S %ZIY=$ZSEARCH(%ZIX) Q:%ZIY="" S %ZIY=$ZPARSE(%ZIY,"NAME")_$ZPARSE(%ZIY,"TYPE"),@%ZX3@(%ZIY)=""
LSTX ;
S $ECODE=""
Q ($Q(@%ZX3)]"")
;
SPAWNERR ;TRAP ERROR OF SPAWN
O %ZISHDL1:READONLY:1 I $T C %ZISHDL1:DELETE
S $ECODE=""
Q 0
;
MV(X1,X2,Y1,Y2) ;ef,SR. Rename a fl
;S Y=$$MV^ZISH("/dir/","fl","/dir/","fl")
N %Z,%C
S X1=$$DEFDIR($G(X1)),Y1=$$DEFDIR($G(Y1))
S %C=$S($ZV["VMS":"RENAME ",1:"mv ")
;Pbv or qit
I (X2="")!(Y2="") Q 0
ZSYSTEM %C_X1_X2_" "_Y1_Y2 ;Use system rename
S %Z=$ZSEARCH(Y1_Y2)
Q $L(%Z)>0
;
PWD() ;ef,SR. Print working directory
N Y
S Y=$$DEFDIR("")
S:Y="" Y=$ZDIR
Q Y
;
DEFDIR(DF) ;ef. Default Dir and frmt
S DF=$G(DF) Q:DF="." "" ;Special way to get current dir.
S:DF="" DF=$G(^XTV(8989.3,1,"DEV"))
;Old code
;Check syntax, VMS needs : or [ ]
I ^%ZOSF("OS")["VMS" D Q DF ;***EXIT FOR VMS/GTM
. N P1,P2
. S DF=$ZPARSE(DF)
. I DF[":" S P1=$P(DF,":")_":",P2=$P(DF,":",2)
. E S P1="",P2=DF
. I P1="",P2["$" S DF=P2 Q ;Assume a logical
. I $L(P2) S:P2'["[" P2="["_P2 S:P2'["]" P2=P2_"]"
. S DF=P1_P2
. Q
;
;Check syntax, Unix check leading & trailing "/"
S DF=$ZPARSE(DF)
I "./"'[$E(DF) S DF="/"_DF
I $E(DF,$L(DF))'="/" S DF=DF_"/"
Q DF
STATUS() ;ef,SR. Return EOF status
U $I
Q $ZEOF
;
EOF(X) ;Eof flag, Pass in $ZA
Q X
QL(X) ;Qlfrs
Q:X=""
S:$E(X)'="-" X="-"_X
Q
FL(X) ;Fl len
N ZOSHP1,ZOSHP2
S ZOSHP1=$P(X,"."),ZOSHP2=$P(X,".",2)
I $L(ZOSHP1)>14 S X=4 Q
I $L(ZOSHP2)>8 S X=4 Q
Q
;
MAKEREF(HF,IX,OVF) ;Internal call to rebuild global ref.
;Return %ZISHF,%ZISHO,%ZISHI,%ZISUB
N I,F,MX
S OVF=$G(OVF,"%ZISHOF")
S %ZISHI=$$QS^DDBRAP(HF,IX),MX=$$QL^DDBRAP(HF) ;
S F=$NA(@HF,IX-1) ;Get first part
I IX=1 S %ZISHF=F_"(%ZISHI" ;Build root, IX=1
I IX>1 S %ZISHF=$E(F,1,$L(F)-1)_",%ZISHI" ;Build root
S %ZISHO=%ZISHF_","_OVF_",%OVFCNT)" ;Make overflow
F I=IX+1:1:MX S %ZISHF=%ZISHF_",%ZISUB("_I_")",%ZISUB(I)=$$QS^DDBRAP(HF,I)
S %ZISHF=%ZISHF_")"
Q
FTG(%ZX1,%ZX2,%ZX3,%ZX4,%ZX5) ;ef,SR. Unload contents of host file into global
;p1=host file directory
;p2=host file name
;p3= $NAME REFERENCE INCLUDING STARTING SUBSCRIPT
;p4=INCREMENT SUBSCRIPT
;p5=Overflow subscript, defaults to "OVF"
N %ZA,%ZB,%ZC,%ZL,X,%OVFCNT,%CONT,%EXIT
N I,%ZISH,%ZISH1,%ZISHI,%ZISHL,%ZISHLGR,%ZISHOF,%ZISHOX,%ZISHS,%ZX,%ZISHY,POP,%ZISUB
S %ZX1=$$DEFDIR($G(%ZX1)),%ZISHOF=$G(%ZX5,"OVF")
D MAKEREF(%ZX3,%ZX4,"%ZISHOF")
D OPEN^%ZISH(,%ZX1,%ZX2,"R")
I POP Q 0
N $ETRAP S %EXIT=0,$ETRAP="S %ZA=1,%EXIT=1,$ECODE="""" Q"
U IO F K %XX D READNXT(.%XX) Q:$$EOF(%ZA) D
. S @%ZISHF=%XX
. I $D(%XX)>2 F %OVFCNT=1:1 Q:'$D(%XX(%OVFCNT)) S @%ZISHO=%XX(%OVFCNT)
. S %ZISHI=%ZISHI+1
. Q
D CLOSE() ;Normal exit
Q 1
;
ERREOF D CLOSE() ;Got error Reading file
Q 0
;
READNXT(REC) ;
N T,I,X,%
U IO R X:2 S %ZA=$ZEOF,REC=$E(X,1,255)
Q:$L(X)<256
S %=256 F I=1:1 Q:$L(X)<% S REC(I)=$E(X,%,%+254),%=%+255
Q
;
GTF(%ZX1,%ZX2,%ZX3,%ZX4) ;ef,SR. Load contents of global to host file.
;Previously name LOAD
;p1=$NAME of global reference
;p2=incrementing subscript
;p3=host file directory
;p4=host file name
N %ZISHY,%ZISHLGR,%ZISHOX
S %ZISHY=$$MGTF(%ZX1,%ZX2,$G(%ZX3),%ZX4,"W")
Q %ZISHY
;
GATF(%ZX1,%ZX2,%ZX3,%ZX4) ;ef,SR. Append to host file.
;
;p1=$NAME of global reference
;p2=incrementing subscript
;p3=host file directory
;p4=host file name
N %ZISHY
S %ZISHY=$$MGTF(%ZX1,%ZX2,$G(%ZX3),%ZX4,"A")
Q %ZISHY
;
MGTF(%ZX1,%ZX2,%ZX3,%ZX4,%ZX5) ;
;p1=$NAME of global reference
;p2=incrementing subscript
;p3=host file directory
;p4=host file name
N %ZISH,%ZISH1,%ZISHI,%ZISHL,%ZISHLGR,%ZISHS,%ZISHOX,IO,%ZX,Y
D MAKEREF(%ZX1,%ZX2)
D OPEN^%ZISH(,%ZX3,%ZX4,%ZX5) ;Default dir set in open
I POP Q 0
N X
N $ETRAP S $ETRAP="S $EC="""" D CLOSE^%ZISH() Q 0"
F Q:'($D(@%ZISHF)#2) S %ZX=@%ZISHF,%ZISHI=%ZISHI+1 U IO W %ZX,!
D CLOSE() ;Normal Exit
Q 1
;