Function setMatcher

build-min/dependencies.js:125–131

(preFilter,selector,matcher,postFilter,postFinder,postSelector)

function condense(unmatched,map,filter,context,xml){var elem,newUnmatched=[],i=0,len=unmatched.length,mapped=map!=null;for(;i<len;i++){if((elem=unmatched[i])){if(!filter||filter(elem,context,xml)){newUnmatched.push(elem);if(mapped){map.push(i);}}}}
return newUnmatched;}
function setMatcher(preFilter,selector,matcher,postFilter,postFinder,postSelector){if(postFilter&&!postFilter[expando]){postFilter=setMatcher(postFilter);}
if(postFinder&&!postFinder[expando]){postFinder=setMatcher(postFinder,postSelector);}
return markFunction(function(seed,results,context,xml){var temp,i,elem,preMap=[],postMap=[],preexisting=results.length,elems=seed||multipleContexts(selector||"*",context.nodeType?[context]:context,[]),matcherIn=preFilter&&(seed||!selector)?condense(elems,preMap,preFilter,context,xml):elems,matcherOut=matcher?postFinder||(seed?preFilter:preexisting||postFilter)?[]:results:matcherIn;if(matcher){matcher(matcherIn,matcherOut,context,xml);}
if(postFilter){temp=condense(matcherOut,postMap);postFilter(temp,[],context,xml);i=temp.length;while(i--){if((elem=temp[i])){matcherOut[postMap[i]]=!(matcherIn[postMap[i]]=elem);}}}
if(seed){if(postFinder||preFilter){if(postFinder){temp=[];i=matcherOut.length;while(i--){if((elem=matcherOut[i])){temp.push((matcherIn[i]=elem));}}
postFinder(null,(matcherOut=[]),temp,xml);}
i=matcherOut.length;while(i--){if((elem=matcherOut[i])&&(temp=postFinder?indexOf.call(seed,elem):preMap[i])>-1){seed[temp]=!(results[temp]=elem);}}}}else{matcherOut=condense(matcherOut===results?matcherOut.splice(preexisting,matcherOut.length):matcherOut);if(postFinder){postFinder(null,results,matcherOut,xml);}else{push.apply(results,matcherOut);}}});}
function matcherFromTokens(tokens){var checkContext,matcher,j,len=tokens.length,leadingRelative=Expr.relative[tokens[0].type],implicitRelative=leadingRelative||Expr.relative[" "],i=leadingRelative?1:0,matchContext=addCombinator(function(elem){return elem===checkContext;},implicitRelative,true),matchAnyContext=addCombinator(function(elem){return indexOf.call(checkContext,elem)>-1;},implicitRelative,true),matchers=[function(elem,context,xml){return(!leadingRelative&&(xml||context!==outermostContext))||((checkContext=context).nodeType?matchContext(elem,context,xml):matchAnyContext(elem,context,xml));}];for(;i<len;i++){if((matcher=Expr.relative[tokens[i].type])){matchers=[addCombinator(elementMatcher(matchers),matcher)];}else{matcher=Expr.filter[tokens[i].type].apply(null,tokens[i].matches);if(matcher[expando]){j=++i;for(;j<len;j++){if(Expr.relative[tokens[j].type]){break;}}
return setMatcher(i>1&&elementMatcher(matchers),i>1&&toSelector(tokens.slice(0,i-1).concat({value:tokens[i-2].type===" "?"*":""})).replace(rtrim,"$1"),matcher,i<j&&matcherFromTokens(tokens.slice(i,j)),j<len&&matcherFromTokens((tokens=tokens.slice(j))),j<len&&toSelector(tokens));}
matchers.push(matcher);}}