mirror of
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11 lines
42 KiB
JavaScript
11 lines
42 KiB
JavaScript
/*!
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* Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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* file at the top-level directory of this distribution and at
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* http://rust-lang.org/COPYRIGHT.
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*
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* Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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* http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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* <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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* option. This file may not be copied, modified, or distributed
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* except according to those terms.
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*/(function(){"use strict";var itemTypes=["mod","externcrate","import","struct","enum","fn","type","static","trait","impl","tymethod","method","structfield","variant","macro","primitive","associatedtype","constant","associatedconstant","union","foreigntype","keyword"];var search_input=document.getElementsByClassName('search-input')[0];var currentTab=0;var themesWidth=null;if(!String.prototype.startsWith){String.prototype.startsWith=function(searchString,position){position=position||0;return this.indexOf(searchString,position)===position;};}if(!String.prototype.endsWith){String.prototype.endsWith=function(suffix,length){var l=length||this.length;return this.indexOf(suffix,l-suffix.length)!==-1;};}function getPageId(){var id=document.location.href.split('#')[1];if(id){return id.split('?')[0].split('&')[0];}return null;}function hasClass(elem,className){if(elem&&className&&elem.className){var elemClass=elem.className;var start=elemClass.indexOf(className);if(start===-1){return false;}else if(elemClass.length===className.length){return true;}else{if(start>0&&elemClass[start-1]!==' '){return false;}var end=start+className.length;return!(end<elemClass.length&&elemClass[end]!==' ');}if(start>0&&elemClass[start-1]!==' '){return false;}var end=start+className.length;return!(end<elemClass.length&&elemClass[end]!==' ');}return false;}function addClass(elem,className){if(elem&&className&&!hasClass(elem,className)){if(elem.className&&elem.className.length>0){elem.className+=' '+className;}else{elem.className=className;}}}function removeClass(elem,className){if(elem&&className&&elem.className){elem.className=(" "+elem.className+" ").replace(" "+className+" "," ").trim();}}function isHidden(elem){return(elem.offsetParent===null)}function showSidebar(){var elems=document.getElementsByClassName("sidebar-elems")[0];if(elems){addClass(elems,"show-it");}var sidebar=document.getElementsByClassName('sidebar')[0];if(sidebar){addClass(sidebar,'mobile');var filler=document.getElementById("sidebar-filler");if(!filler){var div=document.createElement("div");div.id="sidebar-filler";sidebar.appendChild(div);}}var themePicker=document.getElementsByClassName("theme-picker");if(themePicker&&themePicker.length>0){themePicker[0].style.display="none";}}function hideSidebar(){var elems=document.getElementsByClassName("sidebar-elems")[0];if(elems){removeClass(elems,"show-it");}var sidebar=document.getElementsByClassName('sidebar')[0];removeClass(sidebar,'mobile');var filler=document.getElementById("sidebar-filler");if(filler){filler.remove();}document.getElementsByTagName("body")[0].style.marginTop='';var themePicker=document.getElementsByClassName("theme-picker");if(themePicker&&themePicker.length>0){themePicker[0].style.display=null;}}var TY_PRIMITIVE=itemTypes.indexOf("primitive");var TY_KEYWORD=itemTypes.indexOf("keyword");onEach(document.getElementsByClassName('js-only'),function(e){removeClass(e,'js-only');});function getQueryStringParams(){var params={};window.location.search.substring(1).split("&").map(function(s){var pair=s.split("=");params[decodeURIComponent(pair[0])]=typeof pair[1]==="undefined"?null:decodeURIComponent(pair[1]);});return params;}function browserSupportsHistoryApi(){return document.location.protocol!="file:"&&window.history&&typeof window.history.pushState==="function";}function highlightSourceLines(ev){hideSidebar();var search=document.getElementById("search");var i,from,to,match=window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/);if(match){from=parseInt(match[1],10);to=Math.min(50000,parseInt(match[2]||match[1],10));from=Math.min(from,to);var elem=document.getElementById(from);if(!elem){return;}if(ev===null){var x=document.getElementById(from);if(x){x.scrollIntoView();}}onEach(document.getElementsByClassName('line-numbers'),function(e){onEach(e.getElementsByTagName('span'),function(i_e){removeClass(i_e,'line-highlighted');});});for(i=from;i<=to;++i){addClass(document.getElementById(i),'line-highlighted');}}else if(ev!==null&&search&&!hasClass(search,"hidden")&&ev.newURL){addClass(search,"hidden");removeClass(document.getElementById("main"),"hidden");var hash=ev.newURL.slice(ev.newURL.indexOf('#')+1);if(browserSupportsHistoryApi()){history.replaceState(hash,"","?search=#"+hash);}var elem=document.getElementById(hash);if(elem){elem.scrollIntoView();}}}highlightSourceLines(null);window.onhashchange=highlightSourceLines;function getVirtualKey(ev){if("key"in ev&&typeof ev.key!="undefined")return ev.key;var c=ev.charCode||ev.keyCode;if(c==27)return"Escape";return String.fromCharCode(c);}function displayHelp(display,ev){if(display===true){if(hasClass(help,"hidden")){ev.preventDefault();removeClass(help,"hidden");addClass(document.body,"blur");}}else if(!hasClass(help,"hidden")){ev.preventDefault();addClass(help,"hidden");removeClass(document.body,"blur");}}function handleEscape(ev,help){hideModal();var search=document.getElementById("search");if(!hasClass(help,"hidden")){displayHelp(false,ev);}else if(!hasClass(search,"hidden")){ev.preventDefault();addClass(search,"hidden");removeClass(document.getElementById("main"),"hidden");}defocusSearchBar();}function handleShortcut(ev){if(ev.ctrlKey||ev.altKey||ev.metaKey){return;}var help=document.getElementById("help");if(document.activeElement.tagName==="INPUT"){switch(getVirtualKey(ev)){case"Escape":handleEscape(ev,help);break;}}else{switch(getVirtualKey(ev)){case"Escape":handleEscape(ev,help);break;case"s":case"S":displayHelp(false,ev);hideModal();ev.preventDefault();focusSearchBar();break;case"+":case"-":ev.preventDefault();toggleAllDocs();break;case"?":if(ev.shiftKey){hideModal();displayHelp(true,ev);}break;}}}document.onkeypress=handleShortcut;document.onkeydown=handleShortcut;document.onclick=function(ev){if(hasClass(ev.target,'collapse-toggle')){collapseDocs(ev.target,"toggle");}else if(hasClass(ev.target.parentNode,'collapse-toggle')){collapseDocs(ev.target.parentNode,"toggle");}else if(ev.target.tagName==='SPAN'&&hasClass(ev.target.parentNode,'line-numbers')){var prev_id=0;var set_fragment=function(name){if(browserSupportsHistoryApi()){history.replaceState(null,null,'#'+name);window.hashchange();}else{location.replace('#'+name);}};var cur_id=parseInt(ev.target.id,10);if(ev.shiftKey&&prev_id){if(prev_id>cur_id){var tmp=prev_id;prev_id=cur_id;cur_id=tmp;}set_fragment(prev_id+'-'+cur_id);}else{prev_id=cur_id;set_fragment(cur_id);}}else if(!hasClass(document.getElementById("help"),"hidden")){addClass(document.getElementById("help"),"hidden");removeClass(document.body,"blur");}};var x=document.getElementsByClassName('version-selector');if(x.length>0){x[0].onchange=function(){var i,match,url=document.location.href,stripped='',len=rootPath.match(/\.\.\//g).length+1;for(i=0;i<len;++i){match=url.match(/\/[^\/]*$/);if(i<len-1){stripped=match[0]+stripped;}url=url.substring(0,url.length-match[0].length);}url+='/'+document.getElementsByClassName('version-selector')[0].value+stripped;document.location.href=url;};}var levenshtein_row2=[];function levenshtein(s1,s2){if(s1===s2){return 0;}var s1_len=s1.length,s2_len=s2.length;if(s1_len&&s2_len){var i1=0,i2=0,a,b,c,c2,row=levenshtein_row2;while(i1<s1_len){row[i1]=++i1;}while(i2<s2_len){c2=s2.charCodeAt(i2);a=i2;++i2;b=i2;for(i1=0;i1<s1_len;++i1){c=a+(s1.charCodeAt(i1)!==c2?1:0);a=row[i1];b=b<a?(b<c?b+1:c):(a<c?a+1:c);row[i1]=b;}}return b;}return s1_len+s2_len;}function initSearch(rawSearchIndex){var currentResults,index,searchIndex;var MAX_LEV_DISTANCE=3;var MAX_RESULTS=200;var params=getQueryStringParams();if(search_input.value===""){search_input.value=params.search||'';}function execQuery(query,searchWords){function itemTypeFromName(typename){for(var i=0;i<itemTypes.length;++i){if(itemTypes[i]===typename){return i;}}return-1;}var valLower=query.query.toLowerCase(),val=valLower,typeFilter=itemTypeFromName(query.type),results={},results_in_args={},results_returned={},split=valLower.split("::");for(var z=0;z<split.length;++z){if(split[z]===""){split.splice(z,1);z-=1;}}function transformResults(results,isType){var out=[];for(i=0;i<results.length;++i){if(results[i].id>-1){var obj=searchIndex[results[i].id];obj.lev=results[i].lev;if(isType!==true||obj.type){var res=buildHrefAndPath(obj);obj.displayPath=pathSplitter(res[0]);obj.fullPath=obj.displayPath+obj.name;if(obj.ty===TY_KEYWORD){obj.fullPath+='|k';}obj.href=res[1];out.push(obj);if(out.length>=MAX_RESULTS){break;}}}}return out;}function sortResults(results,isType){var ar=[];for(var entry in results){if(results.hasOwnProperty(entry)){ar.push(results[entry]);}}results=ar;var nresults=results.length;for(var i=0;i<nresults;++i){results[i].word=searchWords[results[i].id];results[i].item=searchIndex[results[i].id]||{};}if(results.length===0){return[];}results.sort(function(aaa,bbb){var a,b;a=(aaa.lev);b=(bbb.lev);if(a!==b){return a-b;}a=(aaa.item.crate!==window.currentCrate);b=(bbb.item.crate!==window.currentCrate);if(a!==b){return a-b;}a=(aaa.word!==valLower);b=(bbb.word!==valLower);if(a!==b){return a-b;}a=aaa.word.length;b=bbb.word.length;if(a!==b){return a-b;}a=aaa.word;b=bbb.word;if(a!==b){return(a>b?+1:-1);}a=(aaa.index<0);b=(bbb.index<0);if(a!==b){return a-b;}a=aaa.index;b=bbb.index;if(a!==b){return a-b;}if((aaa.item.ty===TY_PRIMITIVE&&bbb.item.ty!==TY_KEYWORD)||(aaa.item.ty===TY_KEYWORD&&bbb.item.ty!==TY_PRIMITIVE)){return-1;}if((bbb.item.ty===TY_PRIMITIVE&&aaa.item.ty!==TY_PRIMITIVE)||(bbb.item.ty===TY_KEYWORD&&aaa.item.ty!==TY_KEYWORD)){return 1;}a=(aaa.item.desc==='');b=(bbb.item.desc==='');if(a!==b){return a-b;}a=aaa.item.ty;b=bbb.item.ty;if(a!==b){return a-b;}a=aaa.item.path;b=bbb.item.path;if(a!==b){return(a>b?+1:-1);}return 0;});for(var i=0;i<results.length;++i){var result=results[i];if(result.dontValidate){continue;}var name=result.item.name.toLowerCase(),path=result.item.path.toLowerCase(),parent=result.item.parent;if(isType!==true&&validateResult(name,path,split,parent)===false){result.id=-1;}}return transformResults(results);}function extractGenerics(val){val=val.toLowerCase();if(val.indexOf('<')!==-1){var values=val.substring(val.indexOf('<')+1,val.lastIndexOf('>'));return{name:val.substring(0,val.indexOf('<')),generics:values.split(/\s*,\s*/),};}return{name:val,generics:[],};}function checkGenerics(obj,val){var lev_distance=MAX_LEV_DISTANCE+1;if(val.generics.length>0){if(obj.g&&obj.g.length>=val.generics.length){var elems=obj.g.slice(0);var total=0;var done=0;for(var y=0;y<val.generics.length;++y){var lev={pos:-1,lev:MAX_LEV_DISTANCE+1};for(var x=0;x<elems.length;++x){var tmp_lev=levenshtein(elems[x],val.generics[y]);if(tmp_lev<lev.lev){lev.lev=tmp_lev;lev.pos=x;}}if(lev.pos!==-1){elems.splice(lev.pos,1);lev_distance=Math.min(lev.lev,lev_distance);total+=lev.lev;done+=1;}else{return MAX_LEV_DISTANCE+1;}}return lev_distance;}}return MAX_LEV_DISTANCE+1;}function checkType(obj,val,literalSearch){var lev_distance=MAX_LEV_DISTANCE+1;if(obj.n===val.name){if(literalSearch===true){if(val.generics&&val.generics.length!==0){if(obj.g&&obj.length>=val.generics.length){var elems=obj.g.slice(0);var allFound=true;var x;for(var y=0;allFound===true&&y<val.generics.length;++y){allFound=false;for(x=0;allFound===false&&x<elems.length;++x){allFound=elems[x]===val.generics[y];}if(allFound===true){elems.splice(x-1,1);}}if(allFound===true){return true;}}else{return false;}}return true;}if(obj.g&&obj.g.length!==0){var tmp_lev=checkGenerics(obj,val);if(tmp_lev<=MAX_LEV_DISTANCE){return tmp_lev;}}else{return 0;}}if(literalSearch===true){if(obj.g&&obj.g.length>0){for(var x=0;x<obj.g.length;++x){if(obj.g[x]===val.name){return true;}}}return false;}var lev_distance=Math.min(levenshtein(obj.n,val.name),lev_distance);if(lev_distance<=MAX_LEV_DISTANCE){lev_distance=Math.min(checkGenerics(obj,val),lev_distance);}else if(obj.g&&obj.g.length>0){for(var x=0;x<obj.g.length;++x){lev_distance=Math.min(levenshtein(obj.g[x],val.name),lev_distance);}}return lev_distance+1;}function findArg(obj,val,literalSearch){var lev_distance=MAX_LEV_DISTANCE+1;if(obj&&obj.type&&obj.type.i&&obj.type.i.length>0){for(var i=0;i<obj.type.i.length;i++){var tmp=checkType(obj.type.i[i],val,literalSearch);if(literalSearch===true&&tmp===true){return true;}lev_distance=Math.min(tmp,lev_distance);if(lev_distance===0){return 0;}}}return literalSearch===true?false:lev_distance;}function checkReturned(obj,val,literalSearch){var lev_distance=MAX_LEV_DISTANCE+1;if(obj&&obj.type&&obj.type.o){var tmp=checkType(obj.type.o,val,literalSearch);if(literalSearch===true&&tmp===true){return true;}lev_distance=Math.min(tmp,lev_distance);if(lev_distance===0){return 0;}}return literalSearch===true?false:lev_distance;}function checkPath(startsWith,lastElem,ty){if(startsWith.length===0){return 0;}var ret_lev=MAX_LEV_DISTANCE+1;var path=ty.path.split("::");if(ty.parent&&ty.parent.name){path.push(ty.parent.name.toLowerCase());}if(startsWith.length>path.length){return MAX_LEV_DISTANCE+1;}for(var i=0;i<path.length;++i){if(i+startsWith.length>path.length){break;}var lev_total=0;var aborted=false;for(var x=0;x<startsWith.length;++x){var lev=levenshtein(path[i+x],startsWith[x]);if(lev>MAX_LEV_DISTANCE){aborted=true;break;}lev_total+=lev;}if(aborted===false){ret_lev=Math.min(ret_lev,Math.round(lev_total/startsWith.length));}}return ret_lev;}function typePassesFilter(filter,type){if(filter<0)return true;if(filter===type)return true;var name=itemTypes[type];switch(itemTypes[filter]){case"constant":return(name=="associatedconstant");case"fn":return(name=="method"||name=="tymethod");case"type":return(name=="primitive"||name=="keyword");}return false;}function generateId(ty){if(ty.parent&&ty.parent.name){return itemTypes[ty.ty]+ty.path+ty.parent.name+ty.name;}return itemTypes[ty.ty]+ty.path+ty.name;}var nSearchWords=searchWords.length;if((val.charAt(0)==="\""||val.charAt(0)==="'")&&val.charAt(val.length-1)===val.charAt(0)){val=extractGenerics(val.substr(1,val.length-2));for(var i=0;i<nSearchWords;++i){var in_args=findArg(searchIndex[i],val,true);var returned=checkReturned(searchIndex[i],val,true);var ty=searchIndex[i];var fullId=generateId(ty);if(searchWords[i]===val.name){if(typePassesFilter(typeFilter,searchIndex[i].ty)&&results[fullId]===undefined){results[fullId]={id:i,index:-1};}}else if((in_args===true||returned===true)&&typePassesFilter(typeFilter,searchIndex[i].ty)){if(in_args===true||returned===true){if(in_args===true){results_in_args[fullId]={id:i,index:-1,dontValidate:true,};}if(returned===true){results_returned[fullId]={id:i,index:-1,dontValidate:true,};}}else{results[fullId]={id:i,index:-1,dontValidate:true,};}}}query.inputs=[val];query.output=val;query.search=val;}else if(val.search("->")>-1){var trimmer=function(s){return s.trim();};var parts=val.split("->").map(trimmer);var input=parts[0];var inputs=input.split(",").map(trimmer).sort();for(var i=0;i<inputs.length;++i){inputs[i]=extractGenerics(inputs[i]);}var output=extractGenerics(parts[1]);for(var i=0;i<nSearchWords;++i){var type=searchIndex[i].type;var ty=searchIndex[i];if(!type){continue;}var fullId=generateId(ty);var typeOutput=type.o?type.o.name:"";var returned=checkReturned(ty,output,true);if(output.name==="*"||returned===true){var in_args=false;var module=false;if(input==="*"){module=true;}else{var allFound=true;for(var it=0;allFound===true&&it<inputs.length;it++){allFound=checkType(type,inputs[it],true);}in_args=allFound;}if(in_args===true){results_in_args[fullId]={id:i,index:-1,dontValidate:true,};}if(returned===true){results_returned[fullId]={id:i,index:-1,dontValidate:true,};}if(module===true){results[fullId]={id:i,index:-1,dontValidate:true,};}}}query.inputs=inputs.map(function(input){return input.name;});query.output=output.name;}else{query.inputs=[val];query.output=val;query.search=val;val=val.replace(/\_/g,"");var valGenerics=extractGenerics(val);var paths=valLower.split("::");var j;for(j=0;j<paths.length;++j){if(paths[j]===""){paths.splice(j,1);j-=1;}}val=paths[paths.length-1];var startsWith=paths.slice(0,paths.length>1?paths.length-1:1);for(j=0;j<nSearchWords;++j){var lev_distance;var ty=searchIndex[j];if(!ty){continue;}var lev_add=0;if(paths.length>1){var lev=checkPath(startsWith,paths[paths.length-1],ty);if(lev>MAX_LEV_DISTANCE){continue;}else if(lev>0){lev_add=1;}}var returned=MAX_LEV_DISTANCE+1;var in_args=MAX_LEV_DISTANCE+1;var index=-1;var lev=MAX_LEV_DISTANCE+1;var fullId=generateId(ty);if(searchWords[j].indexOf(split[i])>-1||searchWords[j].indexOf(val)>-1||searchWords[j].replace(/_/g,"").indexOf(val)>-1){if(typePassesFilter(typeFilter,ty.ty)&&results[fullId]===undefined){index=searchWords[j].replace(/_/g,"").indexOf(val);}}if((lev=levenshtein(searchWords[j],val))<=MAX_LEV_DISTANCE){if(typePassesFilter(typeFilter,ty.ty)===false){lev=MAX_LEV_DISTANCE+1;}else{lev+=1;}}if((in_args=findArg(ty,valGenerics))<=MAX_LEV_DISTANCE){if(typePassesFilter(typeFilter,ty.ty)===false){in_args=MAX_LEV_DISTANCE+1;}}if((returned=checkReturned(ty,valGenerics))<=MAX_LEV_DISTANCE){if(typePassesFilter(typeFilter,ty.ty)===false){returned=MAX_LEV_DISTANCE+1;}}lev+=lev_add;if(lev>0&&val.length>3&&searchWords[j].startsWith(val)){if(val.length<6){lev-=1;}else{lev=0;}}if(in_args<=MAX_LEV_DISTANCE){if(results_in_args[fullId]===undefined){results_in_args[fullId]={id:j,index:index,lev:in_args,};}results_in_args[fullId].lev=Math.min(results_in_args[fullId].lev,in_args);}if(returned<=MAX_LEV_DISTANCE){if(results_returned[fullId]===undefined){results_returned[fullId]={id:j,index:index,lev:returned,};}results_returned[fullId].lev=Math.min(results_returned[fullId].lev,returned);}if(index!==-1||lev<=MAX_LEV_DISTANCE){if(index!==-1&&paths.length<2){lev=0;}if(results[fullId]===undefined){results[fullId]={id:j,index:index,lev:lev,};}results[fullId].lev=Math.min(results[fullId].lev,lev);}}}var ret={'in_args':sortResults(results_in_args,true),'returned':sortResults(results_returned,true),'others':sortResults(results),};if(ALIASES&&ALIASES[window.currentCrate]&&ALIASES[window.currentCrate][query.raw]){var aliases=ALIASES[window.currentCrate][query.raw];for(var i=0;i<aliases.length;++i){aliases[i].is_alias=true;aliases[i].alias=query.raw;aliases[i].path=aliases[i].p;var res=buildHrefAndPath(aliases[i]);aliases[i].displayPath=pathSplitter(res[0]);aliases[i].fullPath=aliases[i].displayPath+aliases[i].name;aliases[i].href=res[1];ret['others'].unshift(aliases[i]);if(ret['others'].length>MAX_RESULTS){ret['others'].pop();}}}return ret;}function validateResult(name,path,keys,parent){for(var i=0;i<keys.length;++i){if(!(name.indexOf(keys[i])>-1||path.indexOf(keys[i])>-1||(parent!==undefined&&parent.name.toLowerCase().indexOf(keys[i])>-1)||levenshtein(name,keys[i])<=MAX_LEV_DISTANCE)){return false;}}return true;}function getQuery(raw){var matches,type,query;query=raw;matches=query.match(/^(fn|mod|struct|enum|trait|type|const|macro)\s*:\s*/i);if(matches){type=matches[1].replace(/^const$/,'constant');query=query.substring(matches[0].length);}return{raw:raw,query:query,type:type,id:query+type};}function initSearchNav(){var hoverTimeout;var click_func=function(e){var el=e.target;while(el.tagName!=='TR'){el=el.parentNode;}var dst=e.target.getElementsByTagName('a');if(dst.length<1){return;}dst=dst[0];if(window.location.pathname===dst.pathname){addClass(document.getElementById('search'),'hidden');removeClass(document.getElementById('main'),'hidden');document.location.href=dst.href;}};var mouseover_func=function(e){var 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