X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=f35e33c3e899ded1dfeed5fae2d9cd752bca3cb2;hb=0f6c7830ce5bdd31588dccdc40b6254fb4a9100f;hp=b9e6d816f07b261741b181b4fb8de684b7818ef4;hpb=1ca82ccd9489f11d3a8fbdd8a32b4c164ffaf483;p=jquery.git

diff --git a/src/core.js b/src/core.js
index b9e6d81..f35e33c 100644
--- a/src/core.js
+++ b/src/core.js
@@ -3,7 +3,7 @@ var jQuery = (function() {
 // Define a local copy of jQuery
 var jQuery = function( selector, context ) {
 		// The jQuery object is actually just the init constructor 'enhanced'
-		return new jQuery.fn.init( selector, context );
+		return new jQuery.fn.init( selector, context, rootjQuery );
 	},
 
 	// Map over jQuery in case of overwrite
@@ -15,16 +15,11 @@ var jQuery = function( selector, context ) {
 	// A central reference to the root jQuery(document)
 	rootjQuery,
 
-	// A simple way to check for HTML strings or ID strings
-	// (both of which we optimize for)
-	quickExpr = /^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w\-]+)$)/,
-
-	// Is it a simple selector
-	isSimple = /^.[^:#\[\.,]*$/,
+	// A simple way to check for HTML strings
+	quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$/,
 
 	// Check if a string has a non-whitespace character in it
 	rnotwhite = /\S/,
-	rwhite = /\s/,
 
 	// Used for trimming whitespace
 	trimLeft = /^\s+/,
@@ -63,6 +58,9 @@ var jQuery = function( selector, context ) {
 	// The deferred used on DOM ready
 	readyList,
 
+	// Promise methods
+	promiseMethods = "then done fail isResolved isRejected promise".split( " " ),
+
 	// The ready event handler
 	DOMContentLoaded,
 
@@ -78,7 +76,8 @@ var jQuery = function( selector, context ) {
 	class2type = {};
 
 jQuery.fn = jQuery.prototype = {
-	init: function( selector, context ) {
+	constructor: jQuery,
+	init: function( selector, context, rootjQuery ) {
 		var match, elem, ret, doc;
 
 		// Handle $(""), $(null), or $(undefined)
@@ -93,75 +92,31 @@ jQuery.fn = jQuery.prototype = {
 			return this;
 		}
 
-		// The body element only exists once, optimize finding it
-		if ( selector === "body" && !context && document.body ) {
-			this.context = document;
-			this[0] = document.body;
-			this.selector = "body";
-			this.length = 1;
-			return this;
-		}
-
 		// Handle HTML strings
 		if ( typeof selector === "string" ) {
-			// Are we dealing with HTML string or an ID?
-			match = quickExpr.exec( selector );
-
-			// Verify a match, and that no context was specified for #id
-			if ( match && (match[1] || !context) ) {
+			// Are we dealing with HTML string
+			if ( (match = quickExpr.exec( selector )) ) {
+				context = context instanceof jQuery ? context[0] : context;
+				doc = (context ? context.ownerDocument || context : document);
 
-				// HANDLE: $(html) -> $(array)
-				if ( match[1] ) {
-					doc = (context ? context.ownerDocument || context : document);
+				// If a single string is passed in and it's a single tag
+				// just do a createElement and skip the rest
+				ret = rsingleTag.exec( selector );
 
-					// If a single string is passed in and it's a single tag
-					// just do a createElement and skip the rest
-					ret = rsingleTag.exec( selector );
-
-					if ( ret ) {
-						if ( jQuery.isPlainObject( context ) ) {
-							selector = [ document.createElement( ret[1] ) ];
-							jQuery.fn.attr.call( selector, context, true );
-
-						} else {
-							selector = [ doc.createElement( ret[1] ) ];
-						}
+				if ( ret ) {
+					if ( jQuery.isPlainObject( context ) ) {
+						selector = [ document.createElement( ret[1] ) ];
+						jQuery.fn.attr.call( selector, context, true );
 
 					} else {
-						ret = jQuery.buildFragment( [ match[1] ], [ doc ] );
-						selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes;
+						selector = [ doc.createElement( ret[1] ) ];
 					}
 
-					return jQuery.merge( this, selector );
-
-				// HANDLE: $("#id")
 				} else {
-					elem = document.getElementById( match[2] );
-
-					// Check parentNode to catch when Blackberry 4.6 returns
-					// nodes that are no longer in the document #6963
-					if ( elem && elem.parentNode ) {
-						// Handle the case where IE and Opera return items
-						// by name instead of ID
-						if ( elem.id !== match[2] ) {
-							return rootjQuery.find( selector );
-						}
-
-						// Otherwise, we inject the element directly into the jQuery object
-						this.length = 1;
-						this[0] = elem;
-					}
-
-					this.context = document;
-					this.selector = selector;
-					return this;
+					ret = jQuery.buildFragment( [ match[1] ], [ doc ] );
+					selector = (ret.cacheable ? jQuery(ret.fragment).clone()[0] : ret.fragment).childNodes;
 				}
 
-			// HANDLE: $("TAG")
-			} else if ( !context && !rnonword.test( selector ) ) {
-				this.selector = selector;
-				this.context = document;
-				selector = document.getElementsByTagName( selector );
 				return jQuery.merge( this, selector );
 
 			// HANDLE: $(expr, $(...))
@@ -171,7 +126,7 @@ jQuery.fn = jQuery.prototype = {
 			// HANDLE: $(expr, context)
 			// (which is just equivalent to: $(context).find(expr)
 			} else {
-				return jQuery( context ).find( selector );
+				return this.constructor( context ).find( selector );
 			}
 
 		// HANDLE: $(function)
@@ -222,7 +177,7 @@ jQuery.fn = jQuery.prototype = {
 	// (returning the new matched element set)
 	pushStack: function( elems, name, selector ) {
 		// Build a new jQuery matched element set
-		var ret = jQuery();
+		var ret = this.constructor();
 
 		if ( jQuery.isArray( elems ) ) {
 			push.apply( ret, elems );
@@ -287,7 +242,7 @@ jQuery.fn = jQuery.prototype = {
 	},
 
 	end: function() {
-		return this.prevObject || jQuery(null);
+		return this.prevObject || this.constructor(null);
 	},
 
 	// For internal use only.
@@ -578,7 +533,7 @@ jQuery.extend({
 
 			script.type = "text/javascript";
 
-			if ( jQuery.support.scriptEval ) {
+			if ( jQuery.support.scriptEval() ) {
 				script.appendChild( document.createTextNode( data ) );
 			} else {
 				script.text = data;
@@ -896,9 +851,10 @@ jQuery.extend({
 	Deferred: function( func ) {
 
 		var deferred = jQuery._Deferred(),
-			failDeferred = jQuery._Deferred();
+			failDeferred = jQuery._Deferred(),
+			promise;
 
-		// Add errorDeferred methods and redefine cancel
+		// Add errorDeferred methods, then and promise
 		jQuery.extend( deferred , {
 
 			then: function( doneCallbacks , failCallbacks ) {
@@ -911,14 +867,18 @@ jQuery.extend({
 			isRejected: failDeferred.isResolved,
 			// Get a promise for this deferred
 			// If obj is provided, the promise aspect is added to the object
-			promise: function( obj ) {
-				obj = obj || {};
-				jQuery.each( "then done fail isResolved isRejected".split( " " ) , function( _ , method ) {
-					obj[ method ] = deferred[ method ];
-				});
-				obj.promise = function() {
-					return obj;
-				};
+			// (i is used internally)
+			promise: function( obj , i ) {
+				if ( obj == null ) {
+					if ( promise ) {
+						return promise;
+					}
+					promise = obj = {};
+				}
+				i = promiseMethods.length;
+				while( i-- ) {
+					obj[ promiseMethods[ i ] ] = deferred[ promiseMethods[ i ] ];
+				}
 				return obj;
 			}
 
@@ -940,10 +900,32 @@ jQuery.extend({
 
 	// Deferred helper
 	when: function( object ) {
-		object = object && jQuery.isFunction( object.promise ) ?
-			object :
-			jQuery.Deferred().resolve( object );
-		return object.promise();
+		var args = arguments,
+			length = args.length,
+			deferred = length <= 1 && object && jQuery.isFunction( object.promise ) ?
+				object :
+				jQuery.Deferred(),
+			promise = deferred.promise(),
+			resolveArray;
+
+		if ( length > 1 ) {
+			resolveArray = new Array( length );
+			jQuery.each( args, function( index, element, args ) {
+				jQuery.when( element ).done( function( value ) {
+					args = arguments;
+					resolveArray[ index ] = args.length > 1 ? slice.call( args , 0 ) : value;
+					if( ! --length ) {
+						deferred.fire( promise, resolveArray );
+					}
+				}).fail( function() {
+					deferred.fireReject( promise, arguments );
+				});
+				return !deferred.isRejected();
+			});
+		} else if ( deferred !== object ) {
+			deferred.resolve( object );
+		}
+		return promise;
 	},
 
 	// Use of jQuery.browser is frowned upon.
@@ -960,6 +942,25 @@ jQuery.extend({
 		return { browser: match[1] || "", version: match[2] || "0" };
 	},
 
+	subclass: function(){
+		function jQuerySubclass( selector, context ) {
+			return new jQuerySubclass.fn.init( selector, context );
+		}
+		jQuerySubclass.superclass = this;
+		jQuerySubclass.fn = jQuerySubclass.prototype = this();
+		jQuerySubclass.fn.constructor = jQuerySubclass;
+		jQuerySubclass.subclass = this.subclass;
+		jQuerySubclass.fn.init = function init( selector, context ) {
+			if (context && context instanceof jQuery && !(context instanceof jQuerySubclass)){
+				context = jQuerySubclass(context);
+			}
+			return jQuery.fn.init.call( this, selector, context, rootjQuerySubclass );
+		};
+		jQuerySubclass.fn.init.prototype = jQuerySubclass.fn;
+		var rootjQuerySubclass = jQuerySubclass(document);
+		return jQuerySubclass;
+	},
+
 	browser: {}
 });
 
@@ -988,9 +989,8 @@ if ( indexOf ) {
 	};
 }
 
-// Verify that \s matches non-breaking spaces
-// (IE fails on this test)
-if ( !rwhite.test( "\xA0" ) ) {
+// IE doesn't match non-breaking spaces with \s
+if ( rnotwhite.test( "\xA0" ) ) {
 	trimLeft = /^[\s\xA0]+/;
 	trimRight = /[\s\xA0]+$/;
 }