New file |
0,0 → 1,50 |
if(!dojo._hasResource["dojox.encoding.easy64"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. |
dojo._hasResource["dojox.encoding.easy64"] = true; |
dojo.provide("dojox.encoding.easy64"); |
|
(function(){ |
var c = function(input, length, result){ |
for(var i = 0; i < length; i += 3){ |
result.push( |
String.fromCharCode((input[i] >>> 2) + 33), |
String.fromCharCode(((input[i] & 3) << 4) + (input[i + 1] >>> 4) + 33), |
String.fromCharCode(((input[i + 1] & 15) << 2) + (input[i + 2] >>> 6) + 33), |
String.fromCharCode((input[i + 2] & 63) + 33) |
); |
} |
}; |
|
dojox.encoding.easy64.encode = function(input){ |
// summary: encodes input data in easy64 string |
// input: Array: an array of numbers (0-255) to encode |
var result = [], reminder = input.length % 3, length = input.length - reminder; |
c(input, length, result); |
if(reminder){ |
var t = input.slice(length); |
while(t.length < 3){ t.push(0); } |
c(t, 3, result); |
for(var i = 3; i > reminder; result.pop(), --i); |
} |
return result.join(""); // String |
}; |
|
dojox.encoding.easy64.decode = function(input){ |
// summary: decodes the input string back to array of numbers |
// input: String: the input string to decode |
var n = input.length, r = [], b = [0, 0, 0, 0], i, j, d; |
for(i = 0; i < n; i += 4){ |
for(j = 0; j < 4; ++j){ b[j] = input.charCodeAt(i + j) - 33; } |
d = n - i; |
for(j = d; j < 4; b[++j] = 0); |
r.push( |
(b[0] << 2) + (b[1] >>> 4), |
((b[1] & 15) << 4) + (b[2] >>> 2), |
((b[2] & 3) << 6) + b[3] |
); |
for(j = d; j < 4; ++j, r.pop()); |
} |
return r; |
}; |
})(); |
|
} |