X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fajax.js;h=08dc4431a7e9b9d40d624d9f24323183495b9781;hb=d2e64979bf641181443a8e6456f6292973a7fa9a;hp=2c4f13cb2c3b1992b19863668432b34ec7ee1f81;hpb=c90d609c0d10a8792b0b31e226592fd707f45570;p=jquery.git

diff --git a/src/ajax.js b/src/ajax.js
index 2c4f13c..08dc443 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -1,12 +1,17 @@
+(function( jQuery ) {
+
 var jsc = jQuery.now(),
-	rscript = /<script(.|\s)*?\/script>/gi,
-	rselectTextarea = /select|textarea/i,
-	rinput = /color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week/i,
+	rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
+	rselectTextarea = /^(?:select|textarea)/i,
+	rinput = /^(?:color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i,
+	rnoContent = /^(?:GET|HEAD|DELETE)$/,
+	rbracket = /\[\]$/,
 	jsre = /\=\?(&|$)/,
 	rquery = /\?/,
-	rts = /(\?|&)_=.*?(&|$)/,
+	rts = /([?&])_=[^&]*/,
 	rurl = /^(\w+:)?\/\/([^\/?#]+)/,
 	r20 = /%20/g,
+	rhash = /#.*$/,
 
 	// Keep a copy of the old load method
 	_load = jQuery.fn.load;
@@ -59,7 +64,7 @@ jQuery.fn.extend({
 					// See if a selector was specified
 					self.html( selector ?
 						// Create a dummy div to hold the results
-						jQuery("<div />")
+						jQuery("<div>")
 							// inject the contents of the document in, removing the scripts
 							// to avoid any 'Permission Denied' errors in IE
 							.append(res.responseText.replace(rscript, ""))
@@ -175,19 +180,10 @@ jQuery.extend({
 		password: null,
 		traditional: false,
 		*/
-		// Create the request object; Microsoft failed to properly
-		// implement the XMLHttpRequest in IE7 (can't request local files),
-		// so we use the ActiveXObject when it is available
 		// This function can be overriden by calling jQuery.ajaxSetup
-		xhr: window.XMLHttpRequest && (window.location.protocol !== "file:" || !window.ActiveXObject) ?
-			function() {
-				return new window.XMLHttpRequest();
-			} :
-			function() {
-				try {
-					return new window.ActiveXObject("Microsoft.XMLHTTP");
-				} catch(e) {}
-			},
+		xhr: function() {
+			return new window.XMLHttpRequest();
+		},
 		accepts: {
 			xml: "application/xml, text/xml",
 			html: "text/html",
@@ -200,9 +196,12 @@ jQuery.extend({
 
 	ajax: function( origSettings ) {
 		var s = jQuery.extend(true, {}, jQuery.ajaxSettings, origSettings),
-			jsonp, status, data, type = s.type.toUpperCase();
+			jsonp, status, data, type = s.type.toUpperCase(), noContent = rnoContent.test(type);
+
+		s.url = s.url.replace( rhash, "" );
 
-		s.context = origSettings && origSettings.context || s;
+		// Use original (not extended) context object if it was provided
+		s.context = origSettings && origSettings.context != null ? origSettings.context : s;
 
 		// convert data if not already a string
 		if ( s.data && s.processData && typeof s.data !== "string" ) {
@@ -270,7 +269,7 @@ jQuery.extend({
 			var ts = jQuery.now();
 
 			// try replacing _= if it is there
-			var ret = s.url.replace(rts, "$1_=" + ts + "$2");
+			var ret = s.url.replace(rts, "$1_=" + ts);
 
 			// if nothing was replaced, add timestamp to the end
 			s.url = ret + ((ret === s.url) ? (rquery.test(s.url) ? "&" : "?") + "_=" + ts : "");
@@ -295,10 +294,10 @@ jQuery.extend({
 		if ( s.dataType === "script" && type === "GET" && remote ) {
 			var head = document.getElementsByTagName("head")[0] || document.documentElement;
 			var script = document.createElement("script");
-			script.src = s.url;
 			if ( s.scriptCharset ) {
 				script.charset = s.scriptCharset;
 			}
+			script.src = s.url;
 
 			// Handle Script loading
 			if ( !jsonp ) {
@@ -348,8 +347,8 @@ jQuery.extend({
 
 		// Need an extra try/catch for cross domain requests in Firefox 3
 		try {
-			// Set the correct header, if data is being sent
-			if ( s.data || origSettings && origSettings.contentType ) {
+			// Set content-type if data specified and content-body is valid for this type
+			if ( (s.data != null && !noContent) || (origSettings && origSettings.contentType) ) {
 				xhr.setRequestHeader("Content-Type", s.contentType);
 			}
 
@@ -372,7 +371,7 @@ jQuery.extend({
 
 			// Set the Accepts header for the server, depending on the dataType
 			xhr.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ?
-				s.accepts[ s.dataType ] + ", */*" :
+				s.accepts[ s.dataType ] + ", */*; q=0.01" :
 				s.accepts._default );
 		} catch( headerError ) {}
 
@@ -459,12 +458,14 @@ jQuery.extend({
 			}
 		};
 
-		// Override the abort handler, if we can (IE doesn't allow it, but that's OK)
+		// Override the abort handler, if we can (IE 6 doesn't allow it, but that's OK)
 		// Opera doesn't fire onreadystatechange at all on abort
 		try {
 			var oldAbort = xhr.abort;
 			xhr.abort = function() {
-				if ( xhr ) {
+				// xhr.abort in IE7 is not a native JS function
+				// and does not have a call property
+				if ( xhr && oldAbort.call ) {
 					oldAbort.call( xhr );
 				}
 
@@ -484,10 +485,10 @@ jQuery.extend({
 
 		// Send the data
 		try {
-			xhr.send( (type !== "GET" && s.data) || null );
+			xhr.send( noContent || s.data == null ? null : s.data );
 
 		} catch( sendError ) {
-			jQuery.ajax.handleError( s, xhr, null, e );
+			jQuery.ajax.handleError( s, xhr, null, sendError );
 
 			// Fire the complete handlers
 			jQuery.ajax.handleComplete( s, xhr, status, data );
@@ -537,10 +538,10 @@ jQuery.extend({
 });
 
 function buildParams( prefix, obj, traditional, add ) {
-	if ( jQuery.isArray(obj) ) {
+	if ( jQuery.isArray(obj) && obj.length ) {
 		// Serialize array item.
 		jQuery.each( obj, function( i, v ) {
-			if ( traditional || /\[\]$/.test( prefix ) ) {
+			if ( traditional || rbracket.test( prefix ) ) {
 				// Treat each array item as a scalar.
 				add( prefix, v );
 
@@ -557,10 +558,15 @@ function buildParams( prefix, obj, traditional, add ) {
 		});
 			
 	} else if ( !traditional && obj != null && typeof obj === "object" ) {
+		if ( jQuery.isEmptyObject( obj ) ) {
+			add( prefix, "" );
+
 		// Serialize object item.
-		jQuery.each( obj, function( k, v ) {
-			buildParams( prefix + "[" + k + "]", v, traditional, add );
-		});
+		} else {
+			jQuery.each( obj, function( k, v ) {
+				buildParams( prefix + "[" + k + "]", v, traditional, add );
+			});
+		}
 					
 	} else {
 		// Serialize scalar item.
@@ -627,9 +633,8 @@ jQuery.extend( jQuery.ajax, {
 		try {
 			// IE error sometimes returns 1223 when it should be 204 so treat it as success, see #1450
 			return !xhr.status && location.protocol === "file:" ||
-				// Opera returns 0 when status is 304
-				( xhr.status >= 200 && xhr.status < 300 ) ||
-				xhr.status === 304 || xhr.status === 1223 || xhr.status === 0;
+				xhr.status >= 200 && xhr.status < 300 ||
+				xhr.status === 304 || xhr.status === 1223;
 		} catch(e) {}
 
 		return false;
@@ -648,8 +653,7 @@ jQuery.extend( jQuery.ajax, {
 			jQuery.ajax.etag[url] = etag;
 		}
 
-		// Opera returns 0 when status is 304
-		return xhr.status === 304 || xhr.status === 0;
+		return xhr.status === 304;
 	},
 
 	httpData: function( xhr, type, s ) {
@@ -684,5 +688,31 @@ jQuery.extend( jQuery.ajax, {
 
 });
 
+/*
+ * Create the request object; Microsoft failed to properly
+ * implement the XMLHttpRequest in IE7 (can't request local files),
+ * so we use the ActiveXObject when it is available
+ * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
+ * we need a fallback.
+ */
+if ( window.ActiveXObject ) {
+	jQuery.ajaxSettings.xhr = function() {
+		if ( window.location.protocol !== "file:" ) {
+			try {
+				return new window.XMLHttpRequest();
+			} catch(e) {}
+		}
+
+		try {
+			return new window.ActiveXObject("Microsoft.XMLHTTP");
+		} catch(e) {}
+	};
+}
+
+// Does this browser support XHR requests?
+jQuery.support.ajax = !!jQuery.ajaxSettings.xhr();
+
 // For backwards compatibility
 jQuery.extend( jQuery.ajax );
+
+})( jQuery );