11 lines
2.2 KiB
JavaScript
11 lines
2.2 KiB
JavaScript
/*!
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* jquery.base64.js 0.1 - https://github.com/yckart/jquery.base64.js
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* Makes Base64 en & -decoding simpler as it is.
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*
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* Based upon: https://gist.github.com/Yaffle/1284012
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*
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* Copyright (c) 2012 Yannick Albert (http://yckart.com)
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* Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php).
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* 2013/02/10
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**/
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(function($){var b64="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",a256="",r64=[256],r256=[256],i=0;var UTF8={encode:function(strUni){var strUtf=strUni.replace(/[\u0080-\u07ff]/g,function(c){var cc=c.charCodeAt(0);return String.fromCharCode(192|cc>>6,128|cc&63)}).replace(/[\u0800-\uffff]/g,function(c){var cc=c.charCodeAt(0);return String.fromCharCode(224|cc>>12,128|cc>>6&63,128|cc&63)});return strUtf},decode:function(strUtf){var strUni=strUtf.replace(/[\u00e0-\u00ef][\u0080-\u00bf][\u0080-\u00bf]/g,function(c){var cc=((c.charCodeAt(0)&15)<<12)|((c.charCodeAt(1)&63)<<6)|(c.charCodeAt(2)&63);return String.fromCharCode(cc)}).replace(/[\u00c0-\u00df][\u0080-\u00bf]/g,function(c){var cc=(c.charCodeAt(0)&31)<<6|c.charCodeAt(1)&63;return String.fromCharCode(cc)});return strUni}};while(i<256){var c=String.fromCharCode(i);a256+=c;r256[i]=i;r64[i]=b64.indexOf(c);++i}function code(s,discard,alpha,beta,w1,w2){s=String(s);var buffer=0,i=0,length=s.length,result="",bitsInBuffer=0;while(i<length){var c=s.charCodeAt(i);c=c<256?alpha[c]:-1;buffer=(buffer<<w1)+c;bitsInBuffer+=w1;while(bitsInBuffer>=w2){bitsInBuffer-=w2;var tmp=buffer>>bitsInBuffer;result+=beta.charAt(tmp);buffer^=tmp<<bitsInBuffer}++i}if(!discard&&bitsInBuffer>0){result+=beta.charAt(buffer<<(w2-bitsInBuffer))}return result}var Plugin=$.base64=function(dir,input,encode){return input?Plugin[dir](input,encode):dir?null:this};Plugin.btoa=Plugin.encode=function(plain,utf8encode){plain=Plugin.raw===false||Plugin.utf8encode||utf8encode?UTF8.encode(plain):plain;plain=code(plain,false,r256,b64,8,6);return plain+"====".slice((plain.length%4)||4)};Plugin.atob=Plugin.decode=function(coded,utf8decode){coded=String(coded).split("=");var i=coded.length;do{--i;coded[i]=code(coded[i],true,r64,a256,6,8)}while(i>0);coded=coded.join("");return Plugin.raw===false||Plugin.utf8decode||utf8decode?UTF8.decode(coded):coded}}(jQuery)); |