Mini Shell

/*
Html2Xhtml : Javascript Mini HTML to XHTML Parser 
-------------------------------------------------

Current version: 0.3

Copyright  2006 All rights reserved. Jacob Lee <letsgolee@lycos.co.kr>

Free for non-commercial && commercial use.
*/
function getXHTML(data){return new Html2Xhtml(data).parse()};function Html2Xhtml(data){this.data=data||''};Html2Xhtml.prototype.setHTML=function(data){this.data=data||this.data};Html2Xhtml.prototype.parse=function(){var state=0;var xhtml='';var p=0;var unget=false;var tagname='';var attrname='';var attrval='';var quot='';var data=this.data;var len=data.length;var phpval='';var tagtype=0;var insidepre=false;var codetype='';while(1){if(p>=len&&!unget){return xhtml}if(unget){unget=false}else{var c=data.substr(p++,1)}switch(state){case 0:if(c=='<'){state=1;break}xhtml+=c;break;case 1:if(/[a-zA-Z]/.test(c)){state=2;tagtype=1;tagname=c.toLowerCase();break}if(c=='/'){state=2;tagtype=-1;break}if(c=='!'){if(data.substr(p,2)=='--'){xhtml+='<!--';p+=2;state=9;break}xhtml+='<!';state=10;break}if(c=='?'||c=='%'){codetype=c;state=11;xhtml+='<'+c;break}xhtml+='&lt;';unget=true;state=0;break;case 2:if(Html2Xhtml.isSpaceChar[c]){xhtml+=(!insidepre&&tagtype>0&&Html2Xhtml.hasNLBefore[tagname]&&xhtml.length&&xhtml.substr(xhtml.length-1,1)!='\n'?'\n':'')+(tagtype>0?'<':'</')+tagname;state=3;break}if(c=='/'){xhtml+=(!insidepre&&tagtype>0&&Html2Xhtml.hasNLBefore[tagname]&&xhtml.length&&xhtml.substr(xhtml.length-1,1)!='\n'?'\n':'')+(tagtype>0?'<':'</')+tagname;if(data.substr(p,1)!='>'){state=3;break}state=4;break}if(c=='>'){xhtml+=(!insidepre&&tagtype>0&&Html2Xhtml.hasNLBefore[tagname]&&xhtml.length&&xhtml.substr(xhtml.length-1,1)!='\n'?'\n':'')+(tagtype>0?'<':'</')+tagname;unget=true;state=4;break}tagname+=c.toLowerCase();break;case 3:if(Html2Xhtml.isSpaceChar[c]){break}if(c=='/'){if(data.substr(p,1)!='>'){break}state=4;break}if(c=='>'){unget=true;state=4;break}attrname=c.toLowerCase();attrval='';state=5;break;case 4:xhtml+=(Html2Xhtml.isEmptyTag[tagname]?' />':'>')+(!insidepre&&tagtype<0&&Html2Xhtml.hasNLAfter[tagname]&&p<len&&data.substr(p,1)!='\n'?'\n':'');if(tagtype>0&&Html2Xhtml.dontAnalyzeContent[tagname]){state=13;attrname=attrval=quot='';tagtype=0;break}if(tagname=='pre'){insidepre=!insidepre}state=0;tagname=attrname=attrval=quot='';tagtype=0;break;case 5:if(Html2Xhtml.isSpaceChar[c]){xhtml+=' '+attrname;if(Html2Xhtml.isEmptyAttr[attrname]){xhtml+='="'+attrname+'"'}state=3;break}if(c=='/'){xhtml+=' '+attrname;if(Html2Xhtml.isEmptyAttr[attrname]){xhtml+='="'+attrname+'"'}if(data.substr(p,1)!='>'){state=3;break}state=4;break}if(c=='>'){xhtml+=' '+attrname;if(Html2Xhtml.isEmptyAttr[attrname]){xhtml+='="'+attrname+'"'}unget=true;state=4;break}if(c=='='){xhtml+=' '+attrname+'=';state=6;break}if(c=='"'||c=="'"){attrname+='?'}else{attrname+=c.toLowerCase()}break;case 6:if(Html2Xhtml.isSpaceChar[c]){xhtml+=(Html2Xhtml.isEmptyAttr[attrname]?'"'+attrname+'"':'""');state=3;break}if(c=='>'){xhtml+=(Html2Xhtml.isEmptyAttr[attrname]?'"'+attrname+'"':'""');unget=true;state=4;break}if(c=='/'&&data.substr(p,1)=='>'){xhtml+=(Html2Xhtml.isEmptyAttr[attrname]?'"'+attrname+'"':'""');state=4;break}if(c=='"'||c=="'"){quot=c;state=8;break}attrval=c;state=7;break;case 7:if(Html2Xhtml.isSpaceChar[c]){xhtml+='"'+Html2Xhtml.escapeQuot(attrval,'"')+'"';state=3;break}if(c=='/'&&data.substr(p,1)=='>'){xhtml+='"'+Html2Xhtml.escapeQuot(attrval,'"')+'"';state=4;break}if(c=='>'){unget=true;xhtml+='"'+Html2Xhtml.escapeQuot(attrval,'"')+'"';state=4;break}attrval+=c;break;case 8:if(c==quot){xhtml+='"'+Html2Xhtml.escapeQuot(attrval,'"')+'"';state=3;break}attrval+=c;break;case 9:if(c=='-'&&data.substr(p,2)=='->'){p+=2;xhtml+='-->';state=0;break}xhtml+=c;break;case 10:if(c=='>'){state=0}xhtml+=c;break;case 11:if(c=="'"||c=='"'){quot=c;state=12;break}if(c==codetype&&data.substr(p,1)=='>'){state=0;xhtml+=c+'>';codetype='';p++;break}xhtml+=c;break;case 12:if(c==quot){state=11;xhtml+=quot+Html2Xhtml.escapeQuot(phpval,quot)+quot;phpval=quot='';break}phpval+=c;break;case 13:if(c=='<'&&data.substr(p,tagname.length+1).toLowerCase()=='/'+tagname){unget=true;state=0;tagname='';break}if(tagname=='textarea'){xhtml+=Html2Xhtml.escapeHTMLChar(c)}else{xhtml+=c}break}}return xhtml};Html2Xhtml.escapeQuot=function(str,quot){if(!quot){quot='"'}if(quot=='"'){return str.replace(/"/ig,'\\"')}return str.replace(/'/ig,"\\'")};Html2Xhtml.escapeHTMLChar=function(c){if(c=='&'){return'&amp;'}if(c=='<'){return'&lt;'}if(c=='>'){return'&gt;'}return c};Html2Xhtml.isSpaceChar={' ':1,'\r':1,'\n':1,'\t':1};Html2Xhtml.isEmptyTag={'area':1,'base':1,'basefont':1,'br':1,'hr':1,'img':1,'input':1,'link':1,'meta':1,'param':1};Html2Xhtml.isEmptyAttr={'checked':1,'compact':1,'declare':1,'defer':1,'disabled':1,'ismap':1,'multiple':1,'noresize':1,'nosave':1,'noshade':1,'nowrap':1,'readonly':1,'selected':1};Html2Xhtml.hasNLBefore={'div':1,'p':1,'table':1,'tbody':1,'tr':1,'td':1,'th':1,'title':1,'head':1,'body':1,'script':1,'comment':1,'li':1,'meta':1,'h1':1,'h2':1,'h3':1,'h4':1,'h5':1,'h6':1,'hr':1,'ul':1,'ol':1,'option':1,'link':1};Html2Xhtml.hasNLAfter={'html':1,'head':1,'body':1,'p':1,'th':1,'style':1};Html2Xhtml.dontAnalyzeContent={'textarea':1,'script':1,'style':1};