summaryrefslogtreecommitdiffstats
path: root/afb-client/bower_components/jszip/lib/base64.js
diff options
context:
space:
mode:
Diffstat (limited to 'afb-client/bower_components/jszip/lib/base64.js')
-rw-r--r--afb-client/bower_components/jszip/lib/base64.js70
1 files changed, 70 insertions, 0 deletions
diff --git a/afb-client/bower_components/jszip/lib/base64.js b/afb-client/bower_components/jszip/lib/base64.js
new file mode 100644
index 0000000..13b4863
--- /dev/null
+++ b/afb-client/bower_components/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;
+
+};