+(function( jQuery ) {
+
var runtil = /Until$/,
rparentsprev = /^(?:parents|prevUntil|prevAll)/,
// Note: This RegExp should be improved, or likely pulled from Sizzle
rmultiselector = /,/,
- slice = Array.prototype.slice;
-
-// Implement the identical functionality for filter and not
-var winnow = function( elements, qualifier, keep ) {
- if ( jQuery.isFunction( qualifier ) ) {
- return jQuery.grep(elements, function( elem, i ) {
- return !!qualifier.call( elem, i, elem ) === keep;
- });
-
- } else if ( qualifier.nodeType ) {
- return jQuery.grep(elements, function( elem, i ) {
- return (elem === qualifier) === keep;
- });
-
- } else if ( typeof qualifier === "string" ) {
- var filtered = jQuery.grep(elements, function( elem ) {
- return elem.nodeType === 1;
- });
-
- if ( isSimple.test( qualifier ) ) {
- return jQuery.filter(qualifier, filtered, !keep);
- } else {
- qualifier = jQuery.filter( qualifier, elements );
- }
- }
-
- return jQuery.grep(elements, function( elem, i ) {
- return (jQuery.inArray( elem, qualifier ) >= 0) === keep;
- });
-};
+ isSimple = /^.[^:#\[\.,]*$/,
+ slice = Array.prototype.slice,
+ POS = jQuery.expr.match.POS,
+ // methods guaranteed to produce a unique set when starting from a unique set
+ guaranteedUnique = {
+ children: true,
+ contents: true,
+ next: true,
+ prev: true
+ };
jQuery.fn.extend({
find: function( selector ) {
- var ret = this.pushStack( "", "find", selector ), length = 0;
+ var ret = this.pushStack( "", "find", selector ),
+ length = 0;
for ( var i = 0, l = this.length; i < l; i++ ) {
length = ret.length;
filter: function( selector ) {
return this.pushStack( winnow(this, selector, true), "filter", selector );
},
-
+
is: function( selector ) {
return !!selector && jQuery.filter( selector, this ).length > 0;
},
closest: function( selectors, context ) {
+ var ret = [], i, l, cur = this[0];
+
if ( jQuery.isArray( selectors ) ) {
- var ret = [], cur = this[0], match, matches = {}, selector;
+ var match, selector,
+ matches = {},
+ level = 1;
if ( cur && selectors.length ) {
- for ( var i = 0, l = selectors.length; i < l; i++ ) {
+ for ( i = 0, l = selectors.length; i < l; i++ ) {
selector = selectors[i];
if ( !matches[selector] ) {
- matches[selector] = jQuery.expr.match.POS.test( selector ) ?
+ matches[selector] = jQuery.expr.match.POS.test( selector ) ?
jQuery( selector, context || this.context ) :
selector;
}
match = matches[selector];
if ( match.jquery ? match.index(cur) > -1 : jQuery(cur).is(match) ) {
- ret.push({ selector: selector, elem: cur });
- delete matches[selector];
+ ret.push({ selector: selector, elem: cur, level: level });
}
}
+
cur = cur.parentNode;
+ level++;
}
}
return ret;
}
- var pos = jQuery.expr.match.POS.test( selectors ) ?
+ var pos = POS.test( selectors ) ?
jQuery( selectors, context || this.context ) : null;
- return this.map(function( i, cur ) {
- while ( cur && cur.ownerDocument && cur !== context ) {
- if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selectors) ) {
- return cur;
+ for ( i = 0, l = this.length; i < l; i++ ) {
+ cur = this[i];
+
+ while ( cur ) {
+ if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
+ ret.push( cur );
+ break;
+
+ } else {
+ cur = cur.parentNode;
+ if ( !cur || !cur.ownerDocument || cur === context ) {
+ break;
+ }
}
- cur = cur.parentNode;
}
- return null;
- });
+ }
+
+ ret = ret.length > 1 ? jQuery.unique(ret) : ret;
+
+ return this.pushStack( ret, "closest", selectors );
},
-
+
// Determine the position of an element within
// the matched set of elements
index: function( elem ) {
add: function( selector, context ) {
var set = typeof selector === "string" ?
- jQuery( selector, context || this.context ) :
+ jQuery( selector, context ) :
jQuery.makeArray( selector ),
all = jQuery.merge( this.get(), set );
}
}, function( name, fn ) {
jQuery.fn[ name ] = function( until, selector ) {
- var ret = jQuery.map( this, fn, until );
-
+ var ret = jQuery.map( this, fn, until ),
+ // The variable 'args' was introduced in
+ // https://github.com/jquery/jquery/commit/52a0238
+ // to work around a bug in Chrome 10 (Dev) and should be removed when the bug is fixed.
+ // http://code.google.com/p/v8/issues/detail?id=1050
+ args = slice.call(arguments);
+
if ( !runtil.test( name ) ) {
selector = until;
}
ret = jQuery.filter( selector, ret );
}
- ret = this.length > 1 ? jQuery.unique( ret ) : ret;
+ ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) {
ret = ret.reverse();
}
- return this.pushStack( ret, name, slice.call(arguments).join(",") );
+ return this.pushStack( ret, name, args.join(",") );
};
});
expr = ":not(" + expr + ")";
}
- return jQuery.find.matches(expr, elems);
+ return elems.length === 1 ?
+ jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
+ jQuery.find.matches(expr, elems);
},
-
+
dir: function( elem, dir, until ) {
- var matched = [], cur = elem[dir];
- while ( cur && cur.nodeType !== 9 && (until === undefined || !jQuery( cur ).is( until )) ) {
+ var matched = [],
+ cur = elem[ dir ];
+
+ while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
if ( cur.nodeType === 1 ) {
matched.push( cur );
}
return r;
}
});
+
+// Implement the identical functionality for filter and not
+function winnow( elements, qualifier, keep ) {
+ if ( jQuery.isFunction( qualifier ) ) {
+ return jQuery.grep(elements, function( elem, i ) {
+ var retVal = !!qualifier.call( elem, i, elem );
+ return retVal === keep;
+ });
+
+ } else if ( qualifier.nodeType ) {
+ return jQuery.grep(elements, function( elem, i ) {
+ return (elem === qualifier) === keep;
+ });
+
+ } else if ( typeof qualifier === "string" ) {
+ var filtered = jQuery.grep(elements, function( elem ) {
+ return elem.nodeType === 1;
+ });
+
+ if ( isSimple.test( qualifier ) ) {
+ return jQuery.filter(qualifier, filtered, !keep);
+ } else {
+ qualifier = jQuery.filter( qualifier, filtered );
+ }
+ }
+
+ return jQuery.grep(elements, function( elem, i ) {
+ return (jQuery.inArray( elem, qualifier ) >= 0) === keep;
+ });
+}
+
+})( jQuery );