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Merged some recent fixes in from Sizzle.

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This commit is contained in:
John Resig 2009-01-19 18:09:11 +00:00
parent cde93dc547
commit 8e8d7ade43
3 changed files with 68 additions and 46 deletions
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84
src/selector.js
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@ -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 );
}
@ -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]);
@ -835,6 +813,26 @@ var isXML = function(elem){
elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
};
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;