-jQuery.winnow = function( elements, qualifier, keep ) {
- if(jQuery.isFunction( qualifier )) {
- return jQuery.grep(elements, function(elem, i) {
- return !!qualifier.call( elem, i ) === 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.multiFilter(qualifier, filtered, !keep);
- else qualifier = jQuery.multiFilter( qualifier, elements );
- }
+(function( jQuery ) {
- return jQuery.grep(elements, function(elem, i) {
- return (jQuery.inArray( elem, qualifier ) >= 0) === keep;
- });
-}
+var runtil = /Until$/,
+ rparentsprev = /^(?:parents|prevUntil|prevAll)/,
+ // Note: This RegExp should be improved, or likely pulled from Sizzle
+ rmultiselector = /,/,
+ 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;
return ret;
},
+ has: function( target ) {
+ var targets = jQuery( target );
+ return this.filter(function() {
+ for ( var i = 0, l = targets.length; i < l; i++ ) {
+ if ( jQuery.contains( this, targets[i] ) ) {
+ return true;
+ }
+ }
+ });
+ },
+
not: function( selector ) {
- return this.pushStack( jQuery.winnow(this, selector, false), "not", selector);
+ return this.pushStack( winnow(this, selector, false), "not", selector);
},
filter: function( selector ) {
- return this.pushStack( jQuery.winnow(this, selector, true), "filter", selector );
+ return this.pushStack( winnow(this, selector, true), "filter", selector );
},
- closest: function( selector ) {
- var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null,
- closer = 0;
+ 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 match, selector,
+ matches = {},
+ level = 1;
+
+ if ( cur && selectors.length ) {
+ for ( i = 0, l = selectors.length; i < l; i++ ) {
+ selector = selectors[i];
- return this.map(function(){
- var cur = this;
- while ( cur && cur.ownerDocument ) {
- if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) ) {
- jQuery.data(cur, "closest", closer);
- return cur;
+ if ( !matches[selector] ) {
+ matches[selector] = jQuery.expr.match.POS.test( selector ) ?
+ jQuery( selector, context || this.context ) :
+ selector;
+ }
+ }
+
+ while ( cur && cur.ownerDocument && cur !== context ) {
+ for ( selector in matches ) {
+ match = matches[selector];
+
+ if ( match.jquery ? match.index(cur) > -1 : jQuery(cur).is(match) ) {
+ ret.push({ selector: selector, elem: cur, level: level });
+ }
+ }
+
+ cur = cur.parentNode;
+ level++;
}
- cur = cur.parentNode;
- closer++;
}
- });
- },
- add: function( selector ) {
- return this.pushStack( jQuery.unique( jQuery.merge(
- this.get(),
- typeof selector === "string" ?
- jQuery( selector ) :
- jQuery.makeArray( selector )
- )));
- },
+ return ret;
+ }
+
+ var pos = POS.test( selectors ) ?
+ jQuery( selectors, context || this.context ) : null;
+
+ for ( i = 0, l = this.length; i < l; i++ ) {
+ cur = this[i];
- eq: function( i ) {
- return this.slice( i, +i + 1 );
+ 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;
+ }
+ }
+ }
+ }
+
+ ret = ret.length > 1 ? jQuery.unique(ret) : ret;
+
+ return this.pushStack( ret, "closest", selectors );
},
- slice: function() {
- return this.pushStack( Array.prototype.slice.apply( this, arguments ),
- "slice", Array.prototype.slice.call(arguments).join(",") );
+ // Determine the position of an element within
+ // the matched set of elements
+ index: function( elem ) {
+ if ( !elem || typeof elem === "string" ) {
+ return jQuery.inArray( this[0],
+ // If it receives a string, the selector is used
+ // If it receives nothing, the siblings are used
+ elem ? jQuery( elem ) : this.parent().children() );
+ }
+ // Locate the position of the desired element
+ return jQuery.inArray(
+ // If it receives a jQuery object, the first element is used
+ elem.jquery ? elem[0] : elem, this );
},
- map: function( callback ) {
- return this.pushStack( jQuery.map(this, function(elem, i){
- return callback.call( elem, i, elem );
- }));
+ add: function( selector, context ) {
+ var set = typeof selector === "string" ?
+ jQuery( selector, context ) :
+ jQuery.makeArray( selector ),
+ all = jQuery.merge( this.get(), set );
+
+ return this.pushStack( isDisconnected( set[0] ) || isDisconnected( all[0] ) ?
+ all :
+ jQuery.unique( all ) );
},
andSelf: function() {
return this.add( this.prevObject );
- },
-
- end: function() {
- return this.prevObject || jQuery(null);
}
});
+// A painfully simple check to see if an element is disconnected
+// from a document (should be improved, where feasible).
+function isDisconnected( node ) {
+ return !node || !node.parentNode || node.parentNode.nodeType === 11;
+}
+
jQuery.each({
- parent: function(elem){return elem.parentNode;},
- parents: function(elem){return jQuery.dir(elem,"parentNode");},
- next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
- prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
- nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
- prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
- siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
- children: function(elem){return jQuery.sibling(elem.firstChild);},
- contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
-}, function(name, fn){
- jQuery.fn[ name ] = function( selector ) {
- var ret = jQuery.map( this, fn );
-
- if ( selector && typeof selector == "string" )
- ret = jQuery.multiFilter( selector, ret );
-
- return this.pushStack( jQuery.unique( ret ), name, selector );
+ parent: function( elem ) {
+ var parent = elem.parentNode;
+ return parent && parent.nodeType !== 11 ? parent : null;
+ },
+ parents: function( elem ) {
+ return jQuery.dir( elem, "parentNode" );
+ },
+ parentsUntil: function( elem, i, until ) {
+ return jQuery.dir( elem, "parentNode", until );
+ },
+ next: function( elem ) {
+ return jQuery.nth( elem, 2, "nextSibling" );
+ },
+ prev: function( elem ) {
+ return jQuery.nth( elem, 2, "previousSibling" );
+ },
+ nextAll: function( elem ) {
+ return jQuery.dir( elem, "nextSibling" );
+ },
+ prevAll: function( elem ) {
+ return jQuery.dir( elem, "previousSibling" );
+ },
+ nextUntil: function( elem, i, until ) {
+ return jQuery.dir( elem, "nextSibling", until );
+ },
+ prevUntil: function( elem, i, until ) {
+ return jQuery.dir( elem, "previousSibling", until );
+ },
+ siblings: function( elem ) {
+ return jQuery.sibling( elem.parentNode.firstChild, elem );
+ },
+ children: function( elem ) {
+ return jQuery.sibling( elem.firstChild );
+ },
+ contents: function( elem ) {
+ return jQuery.nodeName( elem, "iframe" ) ?
+ elem.contentDocument || elem.contentWindow.document :
+ jQuery.makeArray( elem.childNodes );
+ }
+}, function( name, fn ) {
+ jQuery.fn[ name ] = function( until, selector ) {
+ 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;
+ }
+
+ if ( selector && typeof selector === "string" ) {
+ ret = jQuery.filter( selector, 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, args.join(",") );
};
-});
\ No newline at end of file
+});
+
+jQuery.extend({
+ filter: function( expr, elems, not ) {
+ if ( not ) {
+ expr = ":not(" + expr + ")";
+ }
+
+ 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 || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
+ if ( cur.nodeType === 1 ) {
+ matched.push( cur );
+ }
+ cur = cur[dir];
+ }
+ return matched;
+ },
+
+ nth: function( cur, result, dir, elem ) {
+ result = result || 1;
+ var num = 0;
+
+ for ( ; cur; cur = cur[dir] ) {
+ if ( cur.nodeType === 1 && ++num === result ) {
+ break;
+ }
+ }
+
+ return cur;
+ },
+
+ sibling: function( n, elem ) {
+ var r = [];
+
+ for ( ; n; n = n.nextSibling ) {
+ if ( n.nodeType === 1 && n !== elem ) {
+ r.push( n );
+ }
+ }
+
+ 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 );
git.asbjorn.biz / jquery.git / blobdiff