36 lines
1.1 KiB
Mathematica
36 lines
1.1 KiB
Mathematica
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XMCU1 ;(WASH ISC)/CMW-Encode/Decode String APIs ;04/17/2002 08:30
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;;8.0;MailMan;;Jun 28, 2002
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; Entry points (DBIA 1136):
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; $$ENCODEUP - Convert all "^" to "~U~"
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; $$DECODEUP - Convert all "~U~" to "^"
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; $$STRAN - Convert all control characters to printable ones
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; $$RTRAN - Undo the conversion done by $$STRAN
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;
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RTRAN(XXX) ; Extrinsic Function to decode control characters
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;Input=STRING
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;Output=STRING
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N XMESC,X,Y,X1,I
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S XMESC="~"
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Q:XXX'[XMESC
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S Y="",X1=XXX
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R1 S I=$F(X1,XMESC) I I=0 S X=Y_X1 G SET
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S Y=Y_$E(X1,1,I-2)_$C($A($E(X1,I))-64#128),X1=$E(X1,I+1,999) G R1
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SET Q X
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STRAN(XXX) ; Extrinsic Function to encode control characters
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;Input=STRING
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;Output=STRING
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N XMESC,Y,X1,I
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S XMESC="~"
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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)
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Q Y
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ENCODEUP(XXX) ; Extrinsic Function to encode "^" into "~U~"
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; Input=STRING
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; Output=STRING
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F Q:XXX'[U S XXX=$P(XXX,U)_"~U~"_$P(XXX,U,2,999)
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Q XXX
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DECODEUP(XXX) ; Extrinsic Function to decode "~U~" to "^"
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; Input=STRING
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; Output=STRING
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F Q:XXX'["~U~" S XXX=$P(XXX,"~U~")_"^"_$P(XXX,"~U~",2,999)
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Q XXX
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