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//>>built
define("dojox/encoding/base64", ["dojo/_base/lang"], function(lang) {
var base64 = lang.getObject("dojox.encoding.base64", true);
/*=====
base64 = dojox.encoding.base64;
=====*/
var p="=";
var tab="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
base64.encode=function(/* byte[] */ba){
// summary
// Encode an array of bytes as a base64-encoded string
var s=[], l=ba.length;
var rm=l%3;
var x=l-rm;
for (var i=0; i<x;){
var t=ba[i++]<<16|ba[i++]<<8|ba[i++];
s.push(tab.charAt((t>>>18)&0x3f));
s.push(tab.charAt((t>>>12)&0x3f));
s.push(tab.charAt((t>>>6)&0x3f));
s.push(tab.charAt(t&0x3f));
}
// deal with trailers, based on patch from Peter Wood.
switch(rm){
case 2:{
var t=ba[i++]<<16|ba[i++]<<8;
s.push(tab.charAt((t>>>18)&0x3f));
s.push(tab.charAt((t>>>12)&0x3f));
s.push(tab.charAt((t>>>6)&0x3f));
s.push(p);
break;
}
case 1:{
var t=ba[i++]<<16;
s.push(tab.charAt((t>>>18)&0x3f));
s.push(tab.charAt((t>>>12)&0x3f));
s.push(p);
s.push(p);
break;
}
}
return s.join(""); // string
};
base64.decode=function(/* string */str){
// summary
// Convert a base64-encoded string to an array of bytes
var s=str.split(""), out=[];
var l=s.length;
while(s[--l]==p){ } // strip off trailing padding
for (var i=0; i<l;){
var t=tab.indexOf(s[i++])<<18;
if(i<=l){ t|=tab.indexOf(s[i++])<<12 };
if(i<=l){ t|=tab.indexOf(s[i++])<<6 };
if(i<=l){ t|=tab.indexOf(s[i++]) };
out.push((t>>>16)&0xff);
out.push((t>>>8)&0xff);
out.push(t&0xff);
}
// strip off any null bytes
while(out[out.length-1]==0){ out.pop(); }
return out; // byte[]
};
return base64;
});
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