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- import{ContextTracker,ExternalTokenizer,LRParser}from"@lezer/lr";import{styleTags,tags}from"@lezer/highlight";import{parseMixed}from"@lezer/common";const scriptText=53,StartCloseScriptTag=1,styleText=54,StartCloseStyleTag=2,textareaText=55,StartCloseTextareaTag=3,StartTag=4,StartScriptTag=5,StartStyleTag=6,StartTextareaTag=7,StartSelfClosingTag=8,StartCloseTag=9,NoMatchStartCloseTag=10,MismatchedStartCloseTag=11,missingCloseTag=56,IncompleteCloseTag=12,commentContent$1=57,Element=18,ScriptText=27,StyleText=30,TextareaText=33,OpenTag=35,Dialect_noMatch=0;const selfClosers={area:true,base:true,br:true,col:true,command:true,embed:true,frame:true,hr:true,img:true,input:true,keygen:true,link:true,meta:true,param:true,source:true,track:true,wbr:true,menuitem:true};const implicitlyClosed={dd:true,li:true,optgroup:true,option:true,p:true,rp:true,rt:true,tbody:true,td:true,tfoot:true,th:true,tr:true};const closeOnOpen={dd:{dd:true,dt:true},dt:{dd:true,dt:true},li:{li:true},option:{option:true,optgroup:true},optgroup:{optgroup:true},p:{address:true,article:true,aside:true,blockquote:true,dir:true,div:true,dl:true,fieldset:true,footer:true,form:true,h1:true,h2:true,h3:true,h4:true,h5:true,h6:true,header:true,hgroup:true,hr:true,menu:true,nav:true,ol:true,p:true,pre:true,section:true,table:true,ul:true},rp:{rp:true,rt:true},rt:{rp:true,rt:true},tbody:{tbody:true,tfoot:true},td:{td:true,th:true},tfoot:{tbody:true},th:{td:true,th:true},thead:{tbody:true,tfoot:true},tr:{tr:true}};function nameChar(ch){return ch==45||ch==46||ch==58||ch>=65&&ch<=90||ch==95||ch>=97&&ch<=122||ch>=161}function isSpace(ch){return ch==9||ch==10||ch==13||ch==32}let cachedName=null,cachedInput=null,cachedPos=0;function tagNameAfter(input,offset){let pos=input.pos+offset;if(cachedPos==pos&&cachedInput==input)return cachedName;let next=input.peek(offset);while(isSpace(next))next=input.peek(++offset);let name="";for(;;){if(!nameChar(next))break;name+=String.fromCharCode(next);next=input.peek(++offset)}cachedInput=input;cachedPos=pos;return cachedName=name?name.toLowerCase():next==question||next==bang?undefined:null}const lessThan=60,greaterThan=62,slash=47,question=63,bang=33,dash=45;function ElementContext(name,parent){this.name=name;this.parent=parent;this.hash=parent?parent.hash:0;for(let i=0;i<name.length;i++)this.hash+=(this.hash<<4)+name.charCodeAt(i)+(name.charCodeAt(i)<<8)}const startTagTerms=[StartTag,StartSelfClosingTag,StartScriptTag,StartStyleTag,StartTextareaTag];const elementContext=new ContextTracker({start:null,shift(context,term,stack,input){return startTagTerms.indexOf(term)>-1?new ElementContext(tagNameAfter(input,1)||"",context):context},reduce(context,term){return term==Element&&context?context.parent:context},reuse(context,node,stack,input){let type=node.type.id;return type==StartTag||type==OpenTag?new ElementContext(tagNameAfter(input,1)||"",context):context},hash(context){return context?context.hash:0},strict:false});const tagStart=new ExternalTokenizer((input,stack)=>{if(input.next!=lessThan){if(input.next<0&&stack.context)input.acceptToken(missingCloseTag);return}input.advance();let close=input.next==slash;if(close)input.advance();let name=tagNameAfter(input,0);if(name===undefined)return;if(!name)return input.acceptToken(close?IncompleteCloseTag:StartTag);let parent=stack.context?stack.context.name:null;if(close){if(name==parent)return input.acceptToken(StartCloseTag);if(parent&&implicitlyClosed[parent])return input.acceptToken(missingCloseTag,-2);if(stack.dialectEnabled(Dialect_noMatch))return input.acceptToken(NoMatchStartCloseTag);for(let cx=stack.context;cx;cx=cx.parent)if(cx.name==name)return;input.acceptToken(MismatchedStartCloseTag)}else{if(name=="script")return input.acceptToken(StartScriptTag);if(name=="style")return input.acceptToken(StartStyleTag);if(name=="textarea")return input.acceptToken(StartTextareaTag);if(selfClosers.hasOwnProperty(name))return input.acceptToken(StartSelfClosingTag);if(parent&&closeOnOpen[parent]&&closeOnOpen[parent][name])input.acceptToken(missingCloseTag,-1);else input.acceptToken(StartTag)}},{context
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