X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fajax.js;h=6414e8c2990e8e9d07a4cfce056a1b896c1b2522;hb=a43a5ca9cf79afcd662df5b9110d7ccba45c0b53;hp=790585dd0bf40b28f149bce046eaa1ee8152653c;hpb=ea3e10a49207f76957b5bd87095634882d5d374b;p=jquery.git

diff --git a/src/ajax.js b/src/ajax.js
index 790585d..6414e8c 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -4,7 +4,7 @@ var r20 = /%20/g,
 	rbracket = /\[\]$/,
 	rCRLF = /\r?\n/g,
 	rhash = /#.*$/,
-	rheaders = /^(.*?):\s*(.*?)\r?$/mg, // IE leaves an \r character at EOL
+	rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
 	rinput = /^(?:color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i,
 	// #7653, #8125, #8152: local protocol detection
 	rlocalProtocol = /(?:^file|^widget|\-extension):$/,
@@ -15,7 +15,10 @@ var r20 = /%20/g,
 	rselectTextarea = /^(?:select|textarea)/i,
 	rspacesAjax = /\s+/,
 	rts = /([?&])_=[^&]*/,
-	rucWord = /(^|\-)([a-z])/g,
+	rucHeaders = /(^|\-)([a-z])/g,
+	rucHeadersFunc = function( _, $1, $2 ) {
+		return $1 + $2.toUpperCase();
+	},
 	rurl = /^([\w\+\.\-]+:)\/\/([^\/?#:]*)(?::(\d+))?/,
 
 	// Keep a copy of the old load method
@@ -161,7 +164,7 @@ jQuery.fn.extend({
 			if ( jQuery.isFunction( params ) ) {
 				// We assume that it's the callback
 				callback = params;
-				params = null;
+				params = undefined;
 
 			// Otherwise, build a param string
 			} else if ( typeof params === "object" ) {
@@ -253,7 +256,7 @@ jQuery.each( [ "get", "post" ], function( i, method ) {
 		if ( jQuery.isFunction( data ) ) {
 			type = type || callback;
 			callback = data;
-			data = null;
+			data = undefined;
 		}
 
 		return jQuery.ajax({
@@ -269,18 +272,34 @@ jQuery.each( [ "get", "post" ], function( i, method ) {
 jQuery.extend({
 
 	getScript: function( url, callback ) {
-		return jQuery.get( url, null, callback, "script" );
+		return jQuery.get( url, undefined, callback, "script" );
 	},
 
 	getJSON: function( url, data, callback ) {
 		return jQuery.get( url, data, callback, "json" );
 	},
 
-	ajaxSetup: function( settings ) {
-		jQuery.extend( true, jQuery.ajaxSettings, settings );
-		if ( settings.context ) {
-			jQuery.ajaxSettings.context = settings.context;
+	// Creates a full fledged settings object into target
+	// with both ajaxSettings and settings fields.
+	// If target is omitted, writes into ajaxSettings.
+	ajaxSetup: function ( target, settings ) {
+		if ( !settings ) {
+			// Only one parameter, we extend ajaxSettings
+			settings = target;
+			target = jQuery.extend( true, jQuery.ajaxSettings, settings );
+		} else {
+			// target was provided, we extend into it
+			jQuery.extend( true, target, jQuery.ajaxSettings, settings );
+		}
+		// Flatten fields we don't want deep extended
+		for( var field in { context: 1, url: 1 } ) {
+			if ( field in settings ) {
+				target[ field ] = settings[ field ];
+			} else if( field in jQuery.ajaxSettings ) {
+				target[ field ] = jQuery.ajaxSettings[ field ];
+			}
 		}
+		return target;
 	},
 
 	ajaxSettings: {
@@ -357,13 +376,9 @@ jQuery.extend({
 		options = options || {};
 
 		var // Create the final options object
-			s = jQuery.extend( true, {}, jQuery.ajaxSettings, options ),
+			s = jQuery.ajaxSetup( {}, options ),
 			// Callbacks context
-			// We force the original context if it exists
-			// or take it from jQuery.ajaxSettings otherwise
-			// (plain objects used as context get extended)
-			callbackContext =
-				( s.context = ( "context" in options ? options : jQuery.ajaxSettings ).context ) || s,
+			callbackContext = s.context || s,
 			// Context for global events
 			// It's the callbackContext if one was provided in the options
 			// and if it's a DOM node or a jQuery collection
@@ -402,9 +417,7 @@ jQuery.extend({
 				// Caches the header
 				setRequestHeader: function( name, value ) {
 					if ( !state ) {
-						requestHeaders[ name.toLowerCase().replace( rucWord, function( _, $1, $2 ) {
-							return $1 + $2.toUpperCase();
-						} ) ] = value;
+						requestHeaders[ name.toLowerCase().replace( rucHeaders, rucHeadersFunc ) ] = value;
 					}
 					return this;
 				},
@@ -426,7 +439,7 @@ jQuery.extend({
 						}
 						match = responseHeaders[ key.toLowerCase() ];
 					}
-					return match || null;
+					return match === undefined ? null : match;
 				},
 
 				// Overrides response content-type header
@@ -585,7 +598,7 @@ jQuery.extend({
 		// Remove hash character (#7531: and string promotion)
 		// Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
 		// We also use the url parameter if available
-		s.url = ( "" + ( url || s.url ) ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
+		s.url = ( ( url || s.url ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
 
 		// Extract dataTypes list
 		s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( rspacesAjax );