Initial commit

node_modules/jszip/lib/base64.js

@@ -0,0 +1,70 @@
+'use strict';
+// private property
+var _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+
+
+// public method for encoding
+exports.encode = function(input, utf8) {
+    var output = "";
+    var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
+    var i = 0;
+
+    while (i < input.length) {
+
+        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);
+
+    }
+
+    return output;
+};
+
+// public method for decoding
+exports.decode = function(input, utf8) {
+    var output = "";
+    var chr1, chr2, chr3;
+    var enc1, enc2, enc3, enc4;
+    var i = 0;
+
+    input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
+
+    while (i < input.length) {
+
+        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);
+        }
+
+    }
+
+    return output;
+
+};