X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=src%2Fselector.js;h=59ca2f6d5c5c542ad304461faecfb425cf905064;hb=28a1f022233585cf40ae727d7d8334665a495e61;hp=56c8a2a61ee10d3cdb77af3bae34bbaa00a5b7f8;hpb=6dc30ae7f60c44dd83dfb19da61957b20324eb9e;p=jquery.git diff --git a/src/selector.js b/src/selector.js index 56c8a2a..59ca2f6 100644 --- a/src/selector.js +++ b/src/selector.js @@ -35,34 +35,21 @@ var Sizzle = function(selector, context, results, seed) { } } - if ( parts.length > 1 && Expr.match.POS.exec( selector ) ) { + if ( parts.length > 1 && origPOS.exec( selector ) ) { if ( parts.length === 2 && Expr.relative[ parts[0] ] ) { - var later = "", match; - - // Position selectors must be done after the filter - while ( (match = Expr.match.POS.exec( selector )) ) { - later += match[0]; - selector = selector.replace( Expr.match.POS, "" ); - } - - set = Sizzle.filter( later, Sizzle( /\s$/.test(selector) ? selector + "*" : selector, context ) ); + set = posProcess( parts[0] + parts[1], context ); } else { set = Expr.relative[ parts[0] ] ? [ context ] : Sizzle( parts.shift(), context ); while ( parts.length ) { - var tmpSet = []; - selector = parts.shift(); + if ( Expr.relative[ selector ] ) selector += parts.shift(); - for ( var i = 0, l = set.length; i < l; i++ ) { - Sizzle( selector, set[i], tmpSet ); - } - - set = tmpSet; + set = posProcess( selector, set ); } } } else { @@ -170,7 +157,7 @@ Sizzle.filter = function(expr, set, inplace, not){ while ( expr && set.length ) { for ( var type in Expr.filter ) { if ( (match = Expr.match[ type ].exec( expr )) != null ) { - var filter = Expr.filter[ type ], goodArray = null, goodPos = 0, found, item; + var filter = Expr.filter[ type ], found, item; anyFound = false; if ( curLoop == result ) { @@ -184,26 +171,13 @@ Sizzle.filter = function(expr, set, inplace, not){ anyFound = found = true; } else if ( match === true ) { continue; - } else if ( match[0] === true ) { - goodArray = []; - var last = null, elem; - for ( var i = 0; (elem = curLoop[i]) !== undefined; i++ ) { - if ( elem && last !== elem ) { - goodArray.push( elem ); - last = elem; - } - } } } if ( match ) { - for ( var i = 0; (item = curLoop[i]) !== undefined; i++ ) { + for ( var i = 0; (item = curLoop[i]) != null; i++ ) { if ( item ) { - if ( goodArray && item != goodArray[goodPos] ) { - goodPos++; - } - - found = filter( item, match, goodPos, goodArray ); + found = filter( item, match, i, curLoop ); var pass = not ^ !!found; if ( inplace && found != null ) { @@ -358,12 +332,14 @@ var Expr = Sizzle.selectors = { CLASS: function(match, curLoop, inplace, result, not){ match = " " + match[1].replace(/\\/g, "") + " "; - for ( var i = 0; curLoop[i]; i++ ) { - if ( not ^ (" " + curLoop[i].className + " ").indexOf(match) >= 0 ) { - if ( !inplace ) - result.push( curLoop[i] ); - } else if ( inplace ) { - curLoop[i] = false; + for ( var i = 0; curLoop[i] != null; i++ ) { + if ( curLoop[i] ) { + if ( not ^ (" " + curLoop[i].className + " ").indexOf(match) >= 0 ) { + if ( !inplace ) + result.push( curLoop[i] ); + } else if ( inplace ) { + curLoop[i] = false; + } } } @@ -373,8 +349,8 @@ var Expr = Sizzle.selectors = { return match[1].replace(/\\/g, ""); }, TAG: function(match, curLoop){ - for ( var i = 0; !curLoop[i]; i++ ){} - return isXML(curLoop[i]) ? match[1] : match[1].toUpperCase(); + for ( var i = 0; curLoop[i] === false; i++ ){} + return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase(); }, CHILD: function(match){ if ( match[1] == "nth" ) { @@ -394,7 +370,7 @@ var Expr = Sizzle.selectors = { return match; }, ATTR: function(match){ - var name = match[1]; + var name = match[1].replace(/\\/g, ""); if ( Expr.attrMap[name] ) { match[1] = Expr.attrMap[name]; @@ -616,6 +592,8 @@ var Expr = Sizzle.selectors = { } }; +var origPOS = Expr.match.POS; + for ( var type in Expr.match ) { Expr.match[ type ] = RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source ); } @@ -722,7 +700,7 @@ try { // Check to see if an attribute returns normalized href attributes div.innerHTML = ""; - if ( div.firstChild.getAttribute("href") !== "#" ) { + if ( div.firstChild && div.firstChild.getAttribute("href") !== "#" ) { Expr.attrHandle.href = function(elem){ return elem.getAttribute("href", 2); }; @@ -750,7 +728,7 @@ if ( document.querySelectorAll ) (function(){ Sizzle.matches = oldSizzle.matches; })(); -if ( document.documentElement.getElementsByClassName ) { +if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) { Expr.order.splice(1, 0, "CLASS"); Expr.find.CLASS = function(match, context) { return context.getElementsByClassName(match[1]); @@ -831,10 +809,30 @@ var contains = document.compareDocumentPosition ? function(a, b){ }; var isXML = function(elem){ - return elem.documentElement && !elem.body || - elem.tagName && elem.ownerDocument && !elem.ownerDocument.body; + return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" || + !!elem.ownerDocument && isXML( elem.ownerDocument ); }; +var posProcess = function(selector, context){ + var tmpSet = [], later = "", match, + root = context.nodeType ? [context] : context; + + // Position selectors must be done after the filter + // And so must :not(positional) so we move all PSEUDOs to the end + while ( (match = Expr.match.PSEUDO.exec( selector )) ) { + later += match[0]; + selector = selector.replace( Expr.match.PSEUDO, "" ); + } + + selector = Expr.relative[selector] ? selector + "*" : selector; + + for ( var i = 0, l = root.length; i < l; i++ ) { + Sizzle( selector, root[i], tmpSet ); + } + + return Sizzle.filter( later, tmpSet ); +} + // EXPOSE jQuery.find = Sizzle; jQuery.filter = Sizzle.filter;