Crystal Reports for Rational Application Developer ガイド

//The Caesar cipher
//The input string to encrypt
Local StringVar inString := {Customer.CUSTOMER_NAME};
Local NumberVar shift := 5;
Local StringVar outString := "";
Local NumberVar i;
For i := 1 To Length(inString) Do
(
Local StringVar inC := inString [i];
Local StringVar outC;
Local BooleanVar isChar :=
LowerCase(inC) In "a" To "z";
Local BooleanVar isUCaseChar :=
isChar And (UpperCase (inC) = inC);
inC := LCase(inC);
If isChar Then
(
Local NumberVar offset :=
(Asc(inC) + shift - Asc("a")) Mod
(Asc("z") - Asc("a") + 1);
outC := Chr(offset + Asc("a"));
If isUCaseChar Then outC := UpperCase(outC)
)
Else
outC := inC;
outString := outString + outC
);
outString