X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=7543b8cf67f07284e5ee442635608f0bdffda2d9;hb=04524287d3e0112deae570ff9247c734833431bb;hp=5f2cf20b909829f3bc18d4154f6aed4e30e7a944;hpb=18a6fbbb6ab0bdabbbd377d23385650e45c30e74;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 5f2cf20..7543b8c 100644
--- a/src/core.js
+++ b/src/core.js
@@ -1,9 +1,7 @@
 // Define a local copy of jQuery
 var jQuery = function( selector, context ) {
 		// The jQuery object is actually just the init constructor 'enhanced'
-		return arguments.length === 0 ?
-			rootjQuery :
-			new jQuery.fn.init( selector, context );
+		return new jQuery.fn.init( selector, context );
 	},
 
 	// Map over jQuery in case of overwrite
@@ -29,30 +27,40 @@ var jQuery = function( selector, context ) {
 	rnotwhite = /\S/,
 
 	// Used for trimming whitespace
-	rtrim = /^\s+|\s+$/g,
+	rtrim = /^(\s|\u00A0)+|(\s|\u00A0)+$/g,
+
+	// Match a standalone tag
+	rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
 
 	// Keep a UserAgent string for use with jQuery.browser
 	userAgent = navigator.userAgent.toLowerCase(),
+	
+	// Has the ready events already been bound?
+	readyBound = false,
+	
+	// The functions to execute on DOM ready
+	readyList = [],
 
 	// Save a reference to some core methods
 	toString = Object.prototype.toString,
+	hasOwnProperty = Object.prototype.hasOwnProperty,
 	push = Array.prototype.push,
-	slice = Array.prototype.slice;
-
-// Expose jQuery to the global object
-window.jQuery = window.$ = jQuery;
+	slice = Array.prototype.slice,
+	indexOf = Array.prototype.indexOf;
 
 jQuery.fn = jQuery.prototype = {
 	init: function( selector, context ) {
-		var match, elem, ret;
+		var match, elem, ret, doc;
 
 		// Handle $(""), $(null), or $(undefined)
-		if ( !selector ) return this;
+		if ( !selector ) {
+			return this;
+		}
 
 		// Handle $(DOMElement)
 		if ( selector.nodeType ) {
 			this.context = this[0] = selector;
-			this.length++;
+			this.length = 1;
 			return this;
 		}
 
@@ -66,7 +74,19 @@ jQuery.fn = jQuery.prototype = {
 
 				// HANDLE: $(html) -> $(array)
 				if ( match[1] ) {
-					selector = jQuery.clean( [ match[1] ], context );
+					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 ( ret ) {
+						selector = [ doc.createElement( ret[1] ) ];
+
+					} else {
+						ret = buildFragment( [ match[1] ], [ doc ] );
+						selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes;
+					}
 
 				// HANDLE: $("#id")
 				} else {
@@ -75,10 +95,12 @@ jQuery.fn = jQuery.prototype = {
 					if ( elem ) {
 						// Handle the case where IE and Opera return items
 						// by name instead of ID
-						if ( elem.id !== match[2] ) return rootjQuery.find( selector );
+						if ( elem.id !== match[2] ) {
+							return rootjQuery.find( selector );
+						}
 
 						// Otherwise, we inject the element directly into the jQuery object
-						this.length++;
+						this.length = 1;
 						this[0] = elem;
 					}
 
@@ -87,6 +109,12 @@ jQuery.fn = jQuery.prototype = {
 					return this;
 				}
 
+			// HANDLE: $("TAG")
+			} else if ( !context && /^\w+$/.test( selector ) ) {
+				this.selector = selector;
+				this.context = document;
+				selector = document.getElementsByTagName( selector );
+
 			// HANDLE: $(expr, $(...))
 			} else if ( !context || context.jquery ) {
 				return (context || rootjQuery).find( selector );
@@ -103,15 +131,14 @@ jQuery.fn = jQuery.prototype = {
 			return rootjQuery.ready( selector );
 		}
 
-		// Make sure that old selector state is passed along
-		if ( selector.selector && selector.context ) {
+		if (selector.selector !== undefined) {
 			this.selector = selector.selector;
 			this.context = selector.context;
 		}
 
-		return this.setArray(jQuery.isArray( selector ) ?
-			selector :
-			jQuery.makeArray(selector));
+		return jQuery.isArray( selector ) ?
+			this.setArray( selector ) :
+			jQuery.makeArray( selector, this );
 	},
 
 	// Start with an empty selector
@@ -200,7 +227,25 @@ jQuery.fn = jQuery.prototype = {
 	},
 
 	is: function( selector ) {
-		return !!selector && jQuery.multiFilter( selector, this ).length > 0;
+		return !!selector && jQuery.filter( selector, this ).length > 0;
+	},
+	
+	ready: function( fn ) {
+		// Attach the listeners
+		jQuery.bindReady();
+
+		// If the DOM is already ready
+		if ( jQuery.isReady && !readyList ) {
+			// Execute the function immediately
+			fn.call( document, jQuery );
+
+		// Otherwise, remember the function for later
+		} else {
+			// Add the function to the wait list
+			readyList.push( fn );
+		}
+
+		return this;
 	},
 
 	// For internal use only.
@@ -249,19 +294,10 @@ jQuery.extend = jQuery.fn.extend = function() {
 					continue;
 				}
 
-				// Recurse if we're merging object values
-				if ( deep && copy && typeof copy === "object" && !copy.nodeType ) {
-					var clone;
-
-					if ( src ) {
-						clone = src;
-					} else if ( jQuery.isArray(copy) ) {
-						clone = [];
-					} else if ( jQuery.isObject(copy) ) {
-						clone = {};
-					} else {
-						clone = copy;
-					}
+				// Recurse if we're merging object literal values
+				if ( deep && copy && jQuery.isPlainObject(copy) ) {
+					// Don't extend not object literals
+					var clone = src && jQuery.isPlainObject(src) ? src : {};
 
 					// Never move original objects, clone them
 					target[ name ] = jQuery.extend( deep, clone, copy );
@@ -288,6 +324,107 @@ jQuery.extend({
 
 		return jQuery;
 	},
+	
+	// Is the DOM ready to be used? Set to true once it occurs.
+	isReady: false,
+	
+	// Handle when the DOM is ready
+	ready: function() {
+		// Make sure that the DOM is not already loaded
+		if ( !jQuery.isReady ) {
+			if ( !document.body ) {
+				return setTimeout( jQuery.ready, 13 );
+			}
+
+			// Remember that the DOM is ready
+			jQuery.isReady = true;
+
+			// If there are functions bound, to execute
+			if ( readyList ) {
+				// Execute all of them
+				var fn, i = 0;
+				while ( (fn = readyList[ i++ ]) ) {
+					fn.call( document, jQuery );
+				}
+
+				// Reset the list of functions
+				readyList = null;
+			}
+
+			// Trigger any bound ready events
+			if ( jQuery.fn.triggerHandler ) {
+				jQuery( document ).triggerHandler( "ready" );
+			}
+		}
+	},
+	
+	bindReady: function() {
+		if ( readyBound ) { return; }
+		readyBound = true;
+
+		// Catch cases where $(document).ready() is called after the
+		// browser event has already occurred.
+		if ( document.readyState === "complete" ) {
+			return jQuery.ready();
+		}
+
+		// Mozilla, Opera and webkit nightlies currently support this event
+		if ( document.addEventListener ) {
+			// Use the handy event callback
+			document.addEventListener( "DOMContentLoaded", function DOMContentLoaded() {
+				document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false );
+				jQuery.ready();
+			}, false );
+			
+			// A fallback to window.onload, that will always work
+			window.addEventListener( "load", jQuery.ready, false );
+
+		// If IE event model is used
+		} else if ( document.attachEvent ) {
+			// ensure firing before onload,
+			// maybe late but safe also for iframes
+			document.attachEvent("onreadystatechange", function onreadystatechange() {
+				// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
+				if ( document.readyState === "complete" ) {
+					document.detachEvent( "onreadystatechange", onreadystatechange );
+					jQuery.ready();
+				}
+			});
+			
+			// A fallback to window.onload, that will always work
+			window.attachEvent( "onload", jQuery.ready );
+
+			// If IE and not a frame
+			// continually check to see if the document is ready
+			var toplevel = false;
+
+			try {
+				toplevel = window.frameElement == null;
+			} catch(e){}
+
+			if ( document.documentElement.doScroll && toplevel ) {
+				doScrollCheck();
+
+				function doScrollCheck() {
+					if ( jQuery.isReady ) {
+						return;
+					}
+
+					try {
+						// If IE is used, use the trick by Diego Perini
+						// http://javascript.nwbox.com/IEContentLoaded/
+						document.documentElement.doScroll("left");
+					} catch( error ) {
+						setTimeout( doScrollCheck, 1 );
+						return;
+					}
+
+					// and execute any waiting functions
+					jQuery.ready();
+				}
+			}
+		}
+	},
 
 	// See test/unit/core.js for details concerning isFunction.
 	// Since version 1.3, DOM methods and functions like alert
@@ -300,8 +437,25 @@ jQuery.extend({
 		return toString.call(obj) === "[object Array]";
 	},
 
-	isObject: function( obj ) {
-		return this.constructor.call(obj) === Object;
+	isPlainObject: function( obj ) {
+		if ( toString.call(obj) !== "[object Object]" || typeof obj.nodeType === "number" ) {
+			return false;
+		}
+		
+		// not own constructor property must be Object
+		if ( obj.constructor
+		  && !hasOwnProperty.call(obj, "constructor")
+		  && !hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf") ) {
+			return false;
+		}
+		
+		//own properties are iterated firstly,
+		//so to speed up, we can test last one if it is own or not
+	
+		var key;
+		for ( key in obj ) {}
+		
+		return key === undefined || hasOwnProperty.call( obj, key );
 	},
 
 	isEmptyObject: function( obj ) {
@@ -311,13 +465,6 @@ jQuery.extend({
 		return true;
 	},
 
-	// check if an element is in a (or is an) XML document
-	isXMLDoc: function( elem ) {
-		// documentElement is verified for cases where it doesn't yet exist
-		// (such as loading iframes in IE - #4833)
-		return ((elem.ownerDocument || elem).documentElement || 0).nodeName !== "HTML";
-	},
-
 	// Evalulates a script in a global context
 	globalEval: function( data ) {
 		if ( data && rnotwhite.test(data) ) {
@@ -387,19 +534,18 @@ jQuery.extend({
 		return (text || "").replace( rtrim, "" );
 	},
 
-	makeArray: function( array ) {
-		var ret = [], i;
+	// results is for internal usage only
+	makeArray: function( array, results ) {
+		var ret = results || [];
 
 		if ( array != null ) {
-			i = array.length;
-
 			// The window, strings (and functions) also have 'length'
-			if ( i == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval ) {
-				ret[0] = array;
+			// The extra typeof function check is to prevent crashes
+			// in Safari 2 (See: #3039)
+			if ( array.length == null || typeof array === "string" || jQuery.isFunction(array) || (typeof array !== "function" && array.setInterval) ) {
+				push.call( ret, array );
 			} else {
-				while ( i ) {
-					ret[--i] = array[i];
-				}
+				jQuery.merge( ret, array );
 			}
 		}
 
@@ -407,6 +553,10 @@ jQuery.extend({
 	},
 
 	inArray: function( elem, array ) {
+		if ( array.indexOf ) {
+			return array.indexOf( elem );
+		}
+
 		for ( var i = 0, length = array.length; i < length; i++ ) {
 			if ( array[ i ] === elem ) {
 				return i;
@@ -417,45 +567,24 @@ jQuery.extend({
 	},
 
 	merge: function( first, second ) {
-		// We have to loop this way because IE & Opera overwrite the length
-		// expando of getElementsByTagName
-		var i = 0, elem, pos = first.length;
-
-		// Also, we need to make sure that the correct elements are being returned
-		// (IE returns comment nodes in a '*' query)
-		if ( !jQuery.support.getAll ) {
-			while ( (elem = second[ i++ ]) != null ) {
-				if ( elem.nodeType !== 8 ) {
-					first[ pos++ ] = elem;
-				}
-			}
+		var pos, i = second.length;
 
-		} else {
-			while ( (elem = second[ i++ ]) != null ) {
-				first[ pos++ ] = elem;
-			}
+		// We have to get length this way when IE & Opera overwrite the length
+		// expando of getElementsByTagName
+		if ( i && i.nodeType ) {
+			for ( i = 0; second[i]; ++i ) {}
 		}
-
-		return first;
-	},
-
-	unique: function( array ) {
-		var ret = [], done = {}, id;
-
-		try {
-			for ( var i = 0, length = array.length; i < length; i++ ) {
-				id = jQuery.data( array[ i ] );
-
-				if ( !done[ id ] ) {
-					done[ id ] = true;
-					ret.push( array[ i ] );
-				}
-			}
-		} catch( e ) {
-			ret = array;
+		
+		pos = i + first.length;
+		
+		// Correct length for non Arrays
+		first.length = pos;
+		
+		while ( i ) {
+			first[ --pos ] = second[ --i ];
 		}
 
-		return ret;
+		return first;
 	},
 
 	grep: function( elems, callback, inv ) {
@@ -472,13 +601,14 @@ jQuery.extend({
 		return ret;
 	},
 
-	map: function( elems, callback ) {
+	// arg is for internal usage only
+	map: function( elems, callback, arg ) {
 		var ret = [], value;
 
 		// Go through the array, translating each of the items to their
 		// new value (or values).
 		for ( var i = 0, length = elems.length; i < length; i++ ) {
-			value = callback( elems[ i ], i );
+			value = callback( elems[ i ], i, arg );
 
 			if ( value != null ) {
 				ret[ ret.length ] = value;
@@ -488,18 +618,26 @@ jQuery.extend({
 		return ret.concat.apply( [], ret );
 	},
 
-	// Use of jQuery.browser is deprecated.
-	// It's included for backwards compatibility and plugins,
-	// although they should work to migrate away.
+	// Use of jQuery.browser is frowned upon.
+	// More details: http://docs.jquery.com/Utilities/jQuery.browser
 	browser: {
-		version: (/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/.exec(userAgent) || [0,'0'])[1],
-		safari: /webkit/.test( userAgent ),
+		version: (/.*?(?:firefox|safari|opera|msie)[\/ ]([\d.]+)/.exec(userAgent) || [0,'0'])[1],
+		safari: /safari/.test( userAgent ),
 		opera: /opera/.test( userAgent ),
 		msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
-		mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
+		firefox: /firefox/.test( userAgent )
 	}
 });
 
+// Deprecated
+jQuery.browser.mozilla = /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent );
+
+if ( indexOf ) {
+	jQuery.inArray = function( elem, array ) {
+		return indexOf.call( array, elem );
+	};
+}
+
 // All jQuery objects should point back to these
 rootjQuery = jQuery(document);
 
@@ -519,6 +657,36 @@ function evalScript( i, elem ) {
 	}
 }
 
+// Mutifunctional method to get and set values to a collection
+// The value/s can be optionally by executed if its a function
+function access( elems, key, value, exec, fn ) {
+	var l = elems.length;
+	
+	// Setting many attributes
+	if ( typeof key === "object" ) {
+			for (var k in key) {
+				access(elems, k, key[k], exec, fn);
+			}
+		return elems;
+	}
+	
+	// Setting one attribute
+	if (value !== undefined) {
+		// Optionally, function values get executed if exec is true
+		exec = exec && jQuery.isFunction(value);
+		
+		for (var i = 0; i < l; i++) {
+			var elem = elems[i],
+				val = exec ? value.call(elem, i) : value;
+			fn(elem, key, val);
+		}
+		return elems;
+	}
+	
+	// Getting an attribute
+	return l ? fn(elems[0], key) : null;
+}
+
 function now() {
 	return (new Date).getTime();
 }