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Browser interest query
Test file is called index.html
diff --git a/latest/encoding/DataUtils.js b/latest/encoding/DataUtils.js
new file mode 100644
index 0000000..8c931bf
--- /dev/null
+++ b/latest/encoding/DataUtils.js
@@ -0,0 +1,135 @@
+
+
+var DataUtils = function DataUtils(){
+
+
+};
+
+//exports.DataUtils =DataUtils;
+
+
+ var keyStr = "ABCDEFGHIJKLMNOP" +
+ "QRSTUVWXYZabcdef" +
+ "ghijklmnopqrstuv" +
+ "wxyz0123456789+/" +
+ "=";
+
+DataUtils.encode64=function encode64(input) {
+ input = escape(input);
+ var output = "";
+ var chr1, chr2, chr3 = "";
+ var enc1, enc2, enc3, enc4 = "";
+ var i = 0;
+
+ do {
+ chr1 = input.charCodeAt(i++);
+ chr2 = input.charCodeAt(i++);
+ chr3 = input.charCodeAt(i++);
+
+ enc1 = chr1 >> 2;
+ enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
+ enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
+ enc4 = chr3 & 63;
+
+ if (isNaN(chr2)) {
+ enc3 = enc4 = 64;
+ } else if (isNaN(chr3)) {
+ enc4 = 64;
+ }
+
+ output = output +
+ keyStr.charAt(enc1) +
+ keyStr.charAt(enc2) +
+ keyStr.charAt(enc3) +
+ keyStr.charAt(enc4);
+ chr1 = chr2 = chr3 = "";
+ enc1 = enc2 = enc3 = enc4 = "";
+ } while (i < input.length);
+
+ return output;
+ }
+
+DataUtils.decode64 = function decode64(input) {
+ var output = "";
+ var chr1, chr2, chr3 = "";
+ var enc1, enc2, enc3, enc4 = "";
+ var i = 0;
+
+ // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
+ var base64test = /[^A-Za-z0-9\+\/\=]/g;
+ if (base64test.exec(input)) {
+ alert("There were invalid base64 characters in the input text.\n" +
+ "Valid base64 characters are A-Z, a-z, 0-9, '+', '/',and '='\n" +
+ "Expect errors in decoding.");
+ }
+ input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
+
+ do {
+ enc1 = keyStr.indexOf(input.charAt(i++));
+ enc2 = keyStr.indexOf(input.charAt(i++));
+ enc3 = keyStr.indexOf(input.charAt(i++));
+ enc4 = keyStr.indexOf(input.charAt(i++));
+
+ chr1 = (enc1 << 2) | (enc2 >> 4);
+ chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
+ chr3 = ((enc3 & 3) << 6) | enc4;
+
+ output = output + String.fromCharCode(chr1);
+
+ if (enc3 != 64) {
+ output = output + String.fromCharCode(chr2);
+ }
+ if (enc4 != 64) {
+ output = output + String.fromCharCode(chr3);
+ }
+
+ chr1 = chr2 = chr3 = "";
+ enc1 = enc2 = enc3 = enc4 = "";
+
+ } while (i < input.length);
+
+ return unescape(output);
+ };
+
+
+
+
+
+//byte []
+DataUtils.prototype.unsignedLongToByteArray= function( value) {
+ if( 0 == value )
+ return [0];
+
+ if( 0 <= value && value <= 0x00FF ) {
+ //byte []
+ bb = new Array[1];
+ bb[0] = (value & 0x00FF);
+ return bb;
+ }
+
+
+ //byte []
+ out = null;
+ //int
+ var offset = -1;
+ for(var i = 7; i >=0; --i) {
+ //byte
+ b = ((value >> (i * 8)) & 0xFF);
+ if( out == null && b != 0 ) {
+ out = new byte[i+1];
+ offset = i;
+ }
+ if( out != null )
+ out[ offset - i ] = b;
+ }
+ return out;
+}
+
+//function init(){
+
+ //var encoded = DataUtils.encode64('abc');
+ //console.log(encoded);
+//}
+//init();
+
+