1 files changed, 63 insertions, 0 deletions
diff --git a/includes/js/dojox/encoding/ascii85.js b/includes/js/dojox/encoding/ascii85.js
new file mode 100644
index 0000000..c54bb72
--- /dev/null
+++ b/includes/js/dojox/encoding/ascii85.js
@@ -0,0 +1,63 @@
+if(!dojo._hasResource["dojox.encoding.ascii85"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.encoding.ascii85"] = true;
+dojo.provide("dojox.encoding.ascii85");
+
+(function(){
+	var c = function(input, length, result){
+		var i, j, n, b = [0, 0, 0, 0, 0];
+		for(i = 0; i < length; i += 4){
+			n = ((input[i] * 256 + input[i+1]) * 256 + input[i+2]) * 256 + input[i+3];
+			if(!n){
+				result.push("z");
+			}else{
+				for(j = 0; j < 5; b[j++] = n % 85 + 33, n = Math.floor(n / 85));
+			}
+			result.push(String.fromCharCode(b[4], b[3], b[2], b[1], b[0]));
+		}
+	};
+	
+	dojox.encoding.ascii85.encode = function(input){
+		// summary: encodes input data in ascii85 string
+		// input: Array: an array of numbers (0-255) to encode
+		var result = [], reminder = input.length % 4, length = input.length - reminder;
+		c(input, length, result);
+		if(reminder){
+			var t = input.slice(length);
+			while(t.length < 4){ t.push(0); }
+			c(t, 4, result);
+			var x = result.pop();
+			if(x == "z"){ x = "!!!!!"; }
+			result.push(x.substr(0, reminder + 1));
+		}
+		return result.join("");	// String
+	};
+
+	dojox.encoding.ascii85.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, 0], i, j, t, x, y, d;
+		for(i = 0; i < n; ++i){
+			if(input.charAt(i) == "z"){
+				r.push(0, 0, 0, 0);
+				continue;
+			}
+			for(j = 0; j < 5; ++j){ b[j] = input.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;
+	};
+})();
+
+}