5 lines
88 KiB
JavaScript
5 lines
88 KiB
JavaScript
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"use strict";const initSearch=async function(Stringdex,RoaringBitmap,hooks){if(!Array.prototype.toSpliced){Array.prototype.toSpliced=function(){const me=this.slice();Array.prototype.splice.apply(me,arguments);return me;};}async function onEachBtwnAsync(arr,func,funcBtwn){let skipped=true;for(const value of arr){if(!skipped){funcBtwn(value);}skipped=await func(value);}}const yieldToBrowser=typeof window!=="undefined"&&window.requestIdleCallback?function(){return new Promise((resolve,_reject)=>{window.requestIdleCallback(resolve);});}:function(){return new Promise((resolve,_reject)=>{setTimeout(resolve,0);});};const timeout=function(ms){return new Promise((resolve,_reject)=>{setTimeout(resolve,ms);});};if(!Promise.withResolvers){Promise.withResolvers=()=>{let resolve,reject;const promise=new Promise((res,rej)=>{resolve=res;reject=rej;});return{promise,resolve,reject};};}const itemTypes=Object.freeze({keyword:0,primitive:1,mod:2,externcrate:3,import:4,struct:5,enum:6,fn:7,type:8,static:9,trait:10,impl:11,tymethod:12,method:13,structfield:14,variant:15,macro:16,associatedtype:17,constant:18,associatedconstant:19,union:20,foreigntype:21,existential:22,attr:23,derive:24,traitalias:25,generic:26,attribute:27,});const itemTypesName=Array.from(Object.keys(itemTypes));const itemParents=new Map([[itemTypes.associatedconstant,itemTypes.constant],[itemTypes.method,itemTypes.fn],[itemTypes.tymethod,itemTypes.fn],[itemTypes.primitive,itemTypes.type],[itemTypes.associatedtype,itemTypes.type],[itemTypes.traitalias,itemTypes.trait],[itemTypes.attr,itemTypes.macro],[itemTypes.derive,itemTypes.macro],[itemTypes.externcrate,itemTypes.import],]);const ROOT_PATH=typeof window!=="undefined"?window.rootPath:"../";const UNBOXING_LIMIT=5;const REGEX_IDENT=/\p{ID_Continue}+/uy;const REGEX_INVALID_TYPE_FILTER=/[^a-z]/ui;const MAX_RESULTS=200;const NO_TYPE_FILTER=-1;const editDistanceState={current:[],prev:[],prevPrev:[],calculate:function calculate(a,b,limit){if(a.length<b.length){const aTmp=a;a=b;b=aTmp;}const minDist=a.length-b.length;if(minDist>limit){return limit+1;}while(b.length>0&&b[0]===a[0]){a=a.substring(1);b=b.substring(1);}while(b.length>0&&b[b.length-1]===a[a.length-1]){a=a.substring(0,a.length-1);b=b.substring(0,b.length-1);}if(b.length===0){return minDist;}const aLength=a.length;const bLength=b.length;for(let i=0;i<=bLength;++i){this.current[i]=0;this.prev[i]=i;this.prevPrev[i]=Number.MAX_VALUE;}for(let i=1;i<=aLength;++i){this.current[0]=i;const aIdx=i-1;for(let j=1;j<=bLength;++j){const bIdx=j-1;const substitutionCost=a[aIdx]===b[bIdx]?0:1;this.current[j]=Math.min(this.prev[j]+1,this.current[j-1]+1,this.prev[j-1]+substitutionCost,);if((i>1)&&(j>1)&&(a[aIdx]===b[bIdx-1])&&(a[aIdx-1]===b[bIdx])){this.current[j]=Math.min(this.current[j],this.prevPrev[j-2]+1,);}}const prevPrevTmp=this.prevPrev;this.prevPrev=this.prev;this.prev=this.current;this.current=prevPrevTmp;}const distance=this.prev[bLength];return distance<=limit?distance:(limit+1);},};function editDistance(a,b,limit){return editDistanceState.calculate(a,b,limit);}function isEndCharacter(c){return"=,>-])".indexOf(c)!==-1;}function isFnLikeTy(ty){return ty===itemTypes.fn||ty===itemTypes.method||ty===itemTypes.tymethod;}function isSeparatorCharacter(c){return c===","||c==="=";}function isReturnArrow(parserState){return parserState.userQuery.slice(parserState.pos,parserState.pos+2)==="->";}function skipWhitespace(parserState){while(parserState.pos<parserState.userQuery.length){const c=parserState.userQuery[parserState.pos];if(c!==" "){break;}parserState.pos+=1;}}function prevIs(parserState,lookingFor){let pos=parserState.pos;while(pos>0){const c=parserState.userQuery[pos-1];if(c===lookingFor){return true;}else if(c!==" "){break;}pos-=1;}return false;}function isLastElemGeneric(elems,parserState){return(elems.length>0&&elems[elems.length-1].generics.length>0)||prevIs(parserState,">");}function getFilteredNextElem(query,parserState,elems,isInGenerics){const start=parserState.pos;if(parserState.userQuery[parserState.pos]===":"&&!isPathStart(parserState)){throw["Expected type filter b
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<b>${obj.alias}</b><i class="grey"> - see </i>\
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</div>`;}resultName.insertAdjacentHTML("beforeend",`<div class="path">${alias}\
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${obj.displayPath}<span class="${type}">${name}</span>\
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</div>`);const description=document.createElement("div");description.className="desc";obj.desc.then(desc=>{if(desc!==null){description.insertAdjacentHTML("beforeend",desc);}});descList.push(obj.desc);if(obj.displayTypeSignature){const{type,mappedNames,whereClause}=await obj.displayTypeSignature;const displayType=document.createElement("div");type.forEach((value,index)=>{if(index%2!==0){const highlight=document.createElement("strong");highlight.appendChild(document.createTextNode(value));displayType.appendChild(highlight);}else{displayType.appendChild(document.createTextNode(value));}});if(mappedNames.size>0||whereClause.size>0){let addWhereLineFn=()=>{const line=document.createElement("div");line.className="where";line.appendChild(document.createTextNode("where"));displayType.appendChild(line);addWhereLineFn=()=>{};};for(const[qname,name]of mappedNames){if(name===qname){continue;}addWhereLineFn();const line=document.createElement("div");line.className="where";line.appendChild(document.createTextNode(` ${qname} matches `));const lineStrong=document.createElement("strong");lineStrong.appendChild(document.createTextNode(name));line.appendChild(lineStrong);displayType.appendChild(line);}for(const[name,innerType]of whereClause){if(innerType.length<=1){continue;}addWhereLineFn();const line=document.createElement("div");line.className="where";line.appendChild(document.createTextNode(` ${name}: `));innerType.forEach((value,index)=>{if(index%2!==0){const highlight=document.createElement("strong");highlight.appendChild(document.createTextNode(value));line.appendChild(highlight);}else{line.appendChild(document.createTextNode(value));}});displayType.appendChild(line);}}displayType.className="type-signature";link.appendChild(displayType);}link.appendChild(description);output.appendChild(link);results.next().then(async nextResult=>{if(nextResult.value){addNextResultToOutput(nextResult.value);}else{await Promise.all(descList);yieldToBrowser().then(()=>{finishedCallback(count,output);});}});};const firstResult=await results.next();let correctionOutput="";if(query.correction!==null&&isTypeSearch){const orig=query.returned.length>0?query.returned[0].name:query.elems[0].name;correctionOutput="<h3 class=\"search-corrections\">"+`Type "${orig}" not found. `+"Showing results for closest type name "+`"${query.correction}" instead.</h3>`;}if(query.proposeCorrectionFrom!==null&&isTypeSearch){const orig=query.proposeCorrectionFrom;const targ=query.proposeCorrectionTo;let message=`Type "${orig}" not found and used as generic parameter.`;if(targ!==null){message+=` Consider searching for "${targ}" instead.`;}correctionOutput=`<h3 class="search-corrections">${message}</h3>`;}if(firstResult.value){if(correctionOutput!==""){const h3=document.createElement("h3");h3.innerHTML=correctionOutput;output.appendChild(h3);}await addNextResultToOutput(firstResult.value);}else{output=document.createElement("div");if(correctionOutput!==""){const h3=document.createElement("h3");h3.innerHTML=correctionOutput;output.appendChild(h3);}output.className="search-failed"+extraClass;const dlroChannel=`https://doc.rust-lang.org/${getVar("channel")}`;if(query.userQuery!==""){output.innerHTML+="No results :(<br/>"+"Try on <a href=\"https://duckduckgo.com/?q="+encodeURIComponent("rust "+query.userQuery)+"\">DuckDuckGo</a>?<br/><br/>"+"Or try looking in one of these:<ul><li>The <a "+`href="${dlroChannel}/reference/index.html">Rust Reference</a> `+" for technical details about the language.</li><li><a "+`href="${dlroChannel}/rust-by-example/index.html">Rust By `+"Example</a> for expository code examples.</a></li><li>The <a "+`href="${dlroChannel}/book/index.html">Rust Book</a> for `+"introductions to language features and the language itself.</li><li><a "+"href=\"https://docs.rs\">Docs.rs</a> for documentation of crates released on"+" <a href=\"https://crates.io/\">crates.io</a>.</li></ul>";}output.innerHTML+="Example searches:<ul>"+"<li><a href=\""+getNakedUrl()+"?search=std::vec\">std::vec</a></li>"+"<li><a href=\""+getNakedUrl()+"?search=u32+->+bool\">u32 -> bool</a></l
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