XMCU1.m

XMCU1 ;(WASH ISC)/CMW-Encode/Decode String APIs ;04/17/2002  08:30

 ;;8.0;MailMan;;Jun 28, 2002

 ; Entry points (DBIA 1136):

 ; $$ENCODEUP - Convert all "^" to "~U~"

 ; $$DECODEUP - Convert all "~U~" to "^"

 ; $$STRAN    - Convert all control characters to printable ones

 ; $$RTRAN    - Undo the conversion done by $$STRAN

 ;

RTRAN(XXX) ; Extrinsic Function to decode control characters

 ;Input=STRING

 ;Output=STRING

 N XMESC,X,Y,X1,I

 S XMESC="~"

 Q:XXX'[XMESC

 S Y="",X1=XXX

R1 S I=$F(X1,XMESC) I I=0 S X=Y_X1 G SET

 S Y=Y_$E(X1,1,I-2)_$C($A($E(X1,I))-64#128),X1=$E(X1,I+1,999) G R1

SET Q X

STRAN(XXX) ; Extrinsic Function to encode control characters

 ;Input=STRING

 ;Output=STRING

 N XMESC,Y,X1,I

 S XMESC="~"

 S Y="" F I=1:1:$L(XXX) S X1=$E(XXX,I) S Y=Y_$S(X1=XMESC:XMESC_$C(62),X1?1C:XMESC_$C($A(X1)+64#128),1:X1)

 Q Y

ENCODEUP(XXX) ; Extrinsic Function to encode "^" into "~U~"

 ; Input=STRING

 ; Output=STRING

 F  Q:XXX'[U  S XXX=$P(XXX,U)_"~U~"_$P(XXX,U,2,999)

 Q XXX

DECODEUP(XXX) ; Extrinsic Function to decode "~U~" to "^"

 ; Input=STRING

 ; Output=STRING

 F  Q:XXX'["~U~"  S XXX=$P(XXX,"~U~")_"^"_$P(XXX,"~U~",2,999)

 Q XXX

XMCU1     ;(WASH ISC)/CMW-Encode/Decode String APIs ;04/17/2002  08:30

 +1       ;;8.0;MailMan;;Jun 28, 2002

 +2       ; Entry points (DBIA 1136):

 +3       ; $$ENCODEUP - Convert all "^" to "~U~"

 +4       ; $$DECODEUP - Convert all "~U~" to "^"

 +5       ; $$STRAN    - Convert all control characters to printable ones

 +6       ; $$RTRAN    - Undo the conversion done by $$STRAN

 +7       ;

RTRAN(XXX) ; Extrinsic Function to decode control characters

 +1       ;Input=STRING

 +2       ;Output=STRING

 +3        NEW XMESC,X,Y,X1,I

 +4        SET XMESC="~"

 +5        IF XXX'[XMESC

               QUIT 

 +6        SET Y=""

           SET X1=XXX

R1         SET I=$FIND(X1,XMESC)

           IF I=0

               SET X=Y_X1

               GOTO SET

 +1        SET Y=Y_$EXTRACT(X1,1,I-2)_$CHAR($ASCII($EXTRACT(X1,I))-64#128)

           SET X1=$EXTRACT(X1,I+1,999)

           GOTO R1

SET        QUIT X

STRAN(XXX) ; Extrinsic Function to encode control characters

 +1       ;Input=STRING

 +2       ;Output=STRING

 +3        NEW XMESC,Y,X1,I

 +4        SET XMESC="~"

 +5        SET Y=""

           FOR I=1:1:$LENGTH(XXX)

               SET X1=$EXTRACT(XXX,I)

               SET Y=Y_$SELECT(X1=XMESC:XMESC_$CHAR(62),X1?1C:XMESC_$CHAR($ASCII(X1)+64#128),1:X1)

 +6        QUIT Y

ENCODEUP(XXX) ; Extrinsic Function to encode "^" into "~U~"

 +1       ; Input=STRING

 +2       ; Output=STRING

 +3        FOR 

               IF XXX'[U

                   QUIT 

               SET XXX=$PIECE(XXX,U)_"~U~"_$PIECE(XXX,U,2,999)

 +4        QUIT XXX

DECODEUP(XXX) ; Extrinsic Function to decode "~U~" to "^"

 +1       ; Input=STRING

 +2       ; Output=STRING

 +3        FOR 

               IF XXX'["~U~"

                   QUIT 

               SET XXX=$PIECE(XXX,"~U~")_"^"_$PIECE(XXX,"~U~",2,999)

 +4        QUIT XXX