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By	garethheyes (Root)
Tag Name	utf7
Param1	encode
Param2	"\s\t\r'(),-./:?\w\d=+!"
Param3
Help	UTF-7 encoder/decoder first param accepts encode/decode second param specifies the characters to ignore defaults to the spec.
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(function(){ var utf7_encode = function(str,chars) { var outputstring = str.replace(/\+/g,'+-'); return outputstring.replace(new RegExp('([^'+chars+']+)','g'), function($1) { var base64chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; var codes = $1.HV('tocharcodes',Array('',',')).split(','); code = ''; var len = codes.length; for(var i=0; i<len;i++) { var strchar = parseInt(codes[i]); code += strchar.toString(2).HV('zerofill',[16]); } var sixBits = []; for(var i=0;i<code.length;i+=6) { sixBits.push(code.substr(i, 6)); } if(sixBits[sixBits.length-1].length < 6) { sixBits[sixBits.length-1] = sixBits[sixBits.length-1] + '0'.HV('repeat',[6-sixBits[sixBits.length-1].length]); } base64chars = base64chars.split(''); for(var i = 0;i<sixBits.length;i++) { sixBits[i] = base64chars[parseInt(sixBits[i],2)]; } return '+' + sixBits.join('') + '-'; }); } var utf7_decode = function(str) { return str.replace(/(\+[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+\/]+-)/g, function($1) { var base64chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; var sixBits = []; var code = $1; var decoded = ''; code = code.replace(/^\+\|-$/g, '').split(""); for(var i=0; i<code.length;i++) { decoded += base64chars.indexOf(code[i]).toString(2).HV('zerofill',[6]); } var sixteenBits = Array(); for(var i=0;i<decoded.length;i+=16) { sixteenBits.push(decoded.substr(i,16)); } decoded = ''; for(var i=0;i<sixteenBits.length;i++) { strchar = sixteenBits[i]; if(strchar.length < 16) { if(strchar.length > 4 \|\| strchar.match(/[^0]/) ) { return 'Invalid UTF-7'; } } else { decoded += String.fromCharCode(parseInt(strchar,2)); } } return decoded; }); } if(params[0]=='encode') { return utf7_encode(code,params[1]); } else { return utf7_decode(code); } })();

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