base64.min.js

define([],function(){"use strict";return{_keyStr:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",_utf8_encode:function(string){var utftext="",c,n;string=string.replace(/\r\n/g,"\n");for(n=0;n<string.length;n++){c=string.charCodeAt(n);if(c<128){utftext+=String.fromCharCode(c)}else if(c>127&&c<2048){utftext+=String.fromCharCode(c>>6|192);utftext+=String.fromCharCode(c&63|128)}else{utftext+=String.fromCharCode(c>>12|224);utftext+=String.fromCharCode(c>>6&63|128);utftext+=String.fromCharCode(c&63|128)}}return utftext},_utf8_decode:function(utftext){var string="",i=0,c=0,c1=0,c2=0;while(i<utftext.length){c=utftext.charCodeAt(i);if(c<128){string+=String.fromCharCode(c);i++}else if(c>191&&c<224){c1=utftext.charCodeAt(i+1);string+=String.fromCharCode((c&31)<<6|c1&63);i+=2}else{c1=utftext.charCodeAt(i+1);c2=utftext.charCodeAt(i+2);string+=String.fromCharCode((c&15)<<12|(c1&63)<<6|c2&63);i+=3}}return string},_hexEncode:function(input){var output="",i;for(i=0;i<input.length;i++){output+=input.charCodeAt(i).toString(16)}return output},_hexDecode:function(input){var output="",i;if(input.length%2>0){input="0"+input}for(i=0;i<input.length;i=i+2){output+=String.fromCharCode(parseInt(input.charAt(i)+input.charAt(i+1),16))}return output},encode:function(input){var output="",chr1,chr2,chr3,enc1,enc2,enc3,enc4,i=0;input=this._utf8_encode(input);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+=this._keyStr.charAt(enc1);output+=this._keyStr.charAt(enc2);output+=this._keyStr.charAt(enc3);output+=this._keyStr.charAt(enc4)}return output},decode:function(input){var output="",chr1,chr2,chr3,enc1,enc2,enc3,enc4,i=0;if(input!=undefined){input=input.replace(/[^A-Za-z0-9\+\/\=]/g,"");while(i<input.length){enc1=this._keyStr.indexOf(input.charAt(i++));enc2=this._keyStr.indexOf(input.charAt(i++));enc3=this._keyStr.indexOf(input.charAt(i++));enc4=this._keyStr.indexOf(input.charAt(i++));chr1=enc1<<2|enc2>>4;chr2=(enc2&15)<<4|enc3>>2;chr3=(enc3&3)<<6|enc4;output+=String.fromCharCode(chr1);if(enc3!==64){output+=String.fromCharCode(chr2)}if(enc4!==64){output+=String.fromCharCode(chr3)}}}return this._utf8_decode(output)},decodeToHex:function(input){return this._hexEncode(this.decode(input))},encodeFromHex:function(input){return this.encode(this._hexDecode(input))}}});