I am new to bitwise operators, so I am trying to learn it.
I have the following code and it works half. I am using a switch case to
get the result, but this is messing things up. I could revert to and if
- else statement, but I was wondering if there is a more elagant way of
doing it. I post my code below, and would have some advice.
var NO_RESTRICTION:int = 1;
var NUM_ONLY:int = 2;
var CHAR_ONLY:int = 4;
var RESTRICTION:int = NUM_ONLY ;
function setInputCharRestriction(tInt:int):void {
RESTRICTION = tInt | tInt&2 | tInt&3;
}
function getRestrict():String{
var tRestrict:String = '';
trace('all ' , Boolean(RESTRICTION&1))
trace('num ' , Boolean(RESTRICTION&2))
trace('char ' ,Boolean(RESTRICTION&4))
switch(RESTRICTION){
case RESTRICTION&1 :
tRestrict +="\u0020-\u007E";
trace('all')
case RESTRICTION&2:
tRestrict =" 0-9";
trace('num')
case RESTRICTION&4:
tRestrict =" A-Z a-z";
trace('char')
}
trace('restrict field ' , tRestrict)
return tRestrict;
}
getRestrict()
Thank you.
Jiri
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