var startTag=/^<([-A-Za-z0-9_]+)((?:\s+[a-zA-Z_:][-a-zA-Z0-9_:.]*(?:\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|[^>\s]+))?)*)\s*(\/?)>/,endTag=/^<\/([-A-Za-z0-9_]+)[^>]*>/,attr=/([a-zA-Z_:][-a-zA-Z0-9_:.]*)(?:\s*=\s*(?:(?:"((?:\\.|[^"])*)")|(?:'((?:\\.|[^'])*)')|([^>\s]+)))?/g,empty=makeMap("area,base,basefont,br,col,frame,hr,img,input,link,meta,param,embed,command,keygen,source,track,wbr"),block=makeMap("a,address,code,article,applet,aside,audio,blockquote,button,canvas,center,dd,del,dir,div,dl,dt,fieldset,figcaption,figure,footer,form,frameset,h1,h2,h3,h4,h5,h6,header,hgroup,hr,iframe,ins,isindex,li,map,menu,noframes,noscript,object,ol,output,p,pre,section,script,table,tbody,td,tfoot,th,thead,tr,ul,video"),inline=makeMap("abbr,acronym,applet,b,basefont,bdo,big,br,button,cite,del,dfn,em,font,i,iframe,img,input,ins,kbd,label,map,object,q,s,samp,script,select,small,span,strike,strong,sub,sup,textarea,tt,u,var"),closeSelf=makeMap("colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr"),fillAttrs=makeMap("checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected"),special=makeMap("wxxxcode-style,script,style,view,scroll-view,block");function HTMLParser(e,n){var t,a,r,i=[],s=e;for(i.last=function(){return this[this.length-1]};e;){if(a=!0,i.last()&&special[i.last()])e=e.replace(new RegExp("([\\s\\S]*?)</"+i.last()+"[^>]*>"),function(e,t){return t=t.replace(/<!--([\s\S]*?)-->|<!\[CDATA\[([\s\S]*?)]]>/g,"$1$2"),n.chars&&n.chars(t),""}),c("",i.last());else if(0==e.indexOf("\x3c!--")?0<=(t=e.indexOf("--\x3e"))&&(n.comment&&n.comment(e.substring(4,t)),e=e.substring(t+3),a=!1):0==e.indexOf("</")?(r=e.match(endTag))&&(e=e.substring(r[0].length),r[0].replace(endTag,c),a=!1):0==e.indexOf("<")&&(r=e.match(startTag))&&(e=e.substring(r[0].length),r[0].replace(startTag,o),a=!1),a){t=e.indexOf("<");for(var l="";0===t;)l+="<",t=(e=e.substring(1)).indexOf("<");l+=t<0?e:e.substring(0,t),e=t<0?"":e.substring(t),n.chars&&n.chars(l)}if(e==s)throw"Parse Error: "+e;s=e}function o(e,t,a,r){if(t=t.toLowerCase(),block[t])for(;i.last()&&inline[i.last()];)c("",i.last());if(closeSelf[t]&&i.last()==t&&c("",t),(r=empty[t]||!!r)||i.push(t),n.start){var s=[];a.replace(attr,function(e,t){var a=arguments[2]?arguments[2]:arguments[3]?arguments[3]:arguments[4]?arguments[4]:fillAttrs[t]?t:"";s.push({name:t,value:a,escaped:a.replace(/(^|[^\\])"/g,'$1\\"')})}),n.start&&n.start(t,s,r)}}function c(e,t){if(t){t=t.toLowerCase();for(a=i.length-1;0<=a&&i[a]!=t;a--);}else var a=0;if(0<=a){for(var r=i.length-1;a<=r;r--)n.end&&n.end(i[r]);i.length=a}}c()}function makeMap(e){for(var t={},a=e.split(","),r=0;r<a.length;r++)t[a[r]]=!0;return t}module.exports=HTMLParser;