Andrej Cimperšek - diploma

/*

        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.

        Available via Academic Free License >= 2.1 OR the modified BSD license.

        see: http://dojotoolkit.org/license for details

*/

if(!dojo._hasResource["dojox.encoding.ascii85"]){

dojo._hasResource["dojox.encoding.ascii85"]=true;

dojo.provide("dojox.encoding.ascii85");

(function(){

var c=function(_1,_2,_3){

var i,j,n,b=[0,0,0,0,0];

for(i=0;i<_2;i+=4){

n=((_1[i]*256+_1[i+1])*256+_1[i+2])*256+_1[i+3];

if(!n){

_3.push("z");

}else{

for(j=0;j<5;b[j++]=n%85+33,n=Math.floor(n/85)){

}

}

_3.push(String.fromCharCode(b[4],b[3],b[2],b[1],b[0]));

}

};

dojox.encoding.ascii85.encode=function(_4){

var _5=[],_6=_4.length%4,_7=_4.length-_6;

c(_4,_7,_5);

if(_6){

var t=_4.slice(_7);

while(t.length<4){

t.push(0);

}

c(t,4,_5);

var x=_5.pop();

if(x=="z"){

x="!!!!!";

}

_5.push(x.substr(0,_6+1));

}

return _5.join("");

};

dojox.encoding.ascii85.decode=function(_8){

var n=_8.length,r=[],b=[0,0,0,0,0],i,j,t,x,y,d;

for(i=0;i<n;++i){

if(_8.charAt(i)=="z"){

r.push(0,0,0,0);

continue;

}

for(j=0;j<5;++j){

b[j]=_8.charCodeAt(i+j)-33;

}

d=n-i;

if(d<5){

for(j=d;j<4;b[++j]=0){

}

b[d]=85;

}

t=(((b[0]*85+b[1])*85+b[2])*85+b[3])*85+b[4];

x=t&255;

t>>>=8;

y=t&255;

t>>>=8;

r.push(t>>>8,t&255,y,x);

for(j=d;j<5;++j,r.pop()){

}

i+=4;

}

return r;

};

})();

}