X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=3ba2a859d9682d85a0b499d60804ff0c81469dab;hb=ac00fe5bbb2a95fdb747f76fd9dd7c58ba6a531c;hp=890e9a2df87c15d40b7299ca9144ac531cd6a910;hpb=bddd1837bb512b0ed537fbbdecf3ac3f6067adba;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 890e9a2..3ba2a85 100644
--- a/src/core.js
+++ b/src/core.js
@@ -31,17 +31,22 @@ var jQuery = function( selector, context ) {
 	// Used for trimming whitespace
 	rtrim = /^\s+|\s+$/g,
 
+	// Match a standalone tag
+	rsingleTag = /<(\w+)\s*\/?>(?:<\/\1>)?$/,
+
 	// Keep a UserAgent string for use with jQuery.browser
 	userAgent = navigator.userAgent.toLowerCase(),
 
 	// Save a reference to some core methods
 	toString = Object.prototype.toString,
+	hasOwnProperty = Object.prototype.hasOwnProperty,
 	push = Array.prototype.push,
-	slice = Array.prototype.slice;
+	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 ) {
@@ -51,7 +56,7 @@ jQuery.fn = jQuery.prototype = {
 		// Handle $(DOMElement)
 		if ( selector.nodeType ) {
 			this.context = this[0] = selector;
-			this.length++;
+			this.length = 1;
 			return this;
 		}
 
@@ -65,7 +70,19 @@ 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 {
@@ -79,7 +96,7 @@ jQuery.fn = jQuery.prototype = {
 						}
 
 						// Otherwise, we inject the element directly into the jQuery object
-						this.length++;
+						this.length = 1;
 						this[0] = elem;
 					}
 
@@ -88,6 +105,12 @@ 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 );
@@ -104,15 +127,14 @@ 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
@@ -201,7 +223,7 @@ jQuery.fn = jQuery.prototype = {
 	},
 
 	is: function( selector ) {
-		return !!selector && jQuery.multiFilter( selector, this ).length > 0;
+		return !!selector && jQuery.filter( selector, this ).length > 0;
 	},
 
 	// For internal use only.
@@ -250,19 +272,10 @@ 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.isObjectLiteral(copy) ) {
+					// Don't extend not object literals
+					var clone = src && jQuery.isObjectLiteral(src) ? src : {};
 
 					// Never move original objects, clone them
 					target[ name ] = jQuery.extend( deep, clone, copy );
@@ -301,8 +314,25 @@ jQuery.extend({
 		return toString.call(obj) === "[object Array]";
 	},
 
-	isObject: function( obj ) {
-		return this.constructor.call(obj) === Object;
+	isObjectLiteral: function( obj ) {
+		if ( toString.call(obj) !== "[object Object]" ) {
+			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 ) {
@@ -316,7 +346,8 @@ jQuery.extend({
 	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";
+		var documentElement = (elem ? elem.ownerDocument || elem : 0).documentElement;
+		return documentElement ? documentElement.nodeName !== "HTML" : false;
 	},
 
 	// Evalulates a script in a global context
@@ -388,19 +419,16 @@ 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;
+			if ( array.length == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval ) {
+				push.call( ret, array );
 			} else {
-				while ( i ) {
-					ret[--i] = array[i];
-				}
+				jQuery.merge( ret, array );
 			}
 		}
 
@@ -408,6 +436,10 @@ 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;
@@ -418,45 +450,24 @@ 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 ) {
@@ -501,6 +512,12 @@ jQuery.extend({
 	}
 });
 
+if ( indexOf ) {
+	jQuery.inArray = function( elem, array ) {
+		return indexOf.call( array, elem );
+	};
+}
+
 // All jQuery objects should point back to these
 rootjQuery = jQuery(document);
 
@@ -520,6 +537,36 @@ 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();
 }