traditional: false,
*/
// Create the request object; Microsoft failed to properly
- // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
+ // 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: function() {
- return window.ActiveXObject ?
- new ActiveXObject("Microsoft.XMLHTTP") :
- new XMLHttpRequest();
- },
+ xhr: window.XMLHttpRequest && (window.location.protocol !== "file:" || !window.ActiveXObject) ?
+ function() {
+ return new window.XMLHttpRequest();
+ } :
+ function() {
+ try {
+ return new window.ActiveXObject("Microsoft.XMLHTTP");
+ } catch(e) {}
+ },
accepts: {
xml: "application/xml, text/xml",
html: "text/html",
// Create the request object
var xhr = s.xhr();
+ if ( !xhr ) {
+ return;
+ }
+
// Open the socket
// Passing null username, generates a login popup on Opera (#2865)
if ( s.username ) {
}
// Wait for a response to come back
- var onreadystatechange = function( isTimeout ) {
- // The request was aborted, clear the interval and decrement jQuery.active
+ var onreadystatechange = xhr.onreadystatechange = function( isTimeout ) {
+ // The request was aborted
if ( !xhr || xhr.readyState === 0 ) {
- if ( ival ) {
- // clear poll interval
- clearInterval( ival );
- ival = null;
-
- // Handle the global AJAX counter
- if ( s.global && ! --jQuery.active ) {
- jQuery.event.trigger( "ajaxStop" );
- }
+ // Opera doesn't call onreadystatechange before this point
+ // so we simulate the call
+ if ( !requestDone ) {
+ complete();
+ }
+
+ requestDone = true;
+ if ( xhr ) {
+ xhr.onreadystatechange = jQuery.noop;
}
// The transfer is complete and the data is available, or the request timed out
} else if ( !requestDone && xhr && (xhr.readyState === 4 || isTimeout === "timeout") ) {
requestDone = true;
-
- // clear poll interval
- if (ival) {
- clearInterval(ival);
- ival = null;
- }
+ xhr.onreadystatechange = jQuery.noop;
status = isTimeout === "timeout" ?
"timeout" :
}
};
- if ( s.async ) {
- // don't attach the handler to the request, just poll it instead
- var ival = setInterval(onreadystatechange, 13);
-
- // Timeout checker
- if ( s.timeout > 0 ) {
- setTimeout(function() {
- // Check to see if the request is still happening
- if ( xhr && !requestDone ) {
- onreadystatechange( "timeout" );
+ // Override the abort handler, if we can (IE 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 ) {
+ oldAbort.call( xhr );
+ if ( xhr ) {
+ xhr.readyState = 0;
}
- }, s.timeout);
- }
+ }
+
+ onreadystatechange();
+ };
+ } catch(e) { }
+
+ // Timeout checker
+ if ( s.async && s.timeout > 0 ) {
+ setTimeout(function() {
+ // Check to see if the request is still happening
+ if ( xhr && !requestDone ) {
+ onreadystatechange( "timeout" );
+ }
+ }, s.timeout);
}
// Send the data
try {
- xhr.send( type === "POST" || type === "PUT" ? s.data : null );
+ xhr.send( type === "POST" || type === "PUT" || type === "DELETE" ? s.data : null );
} catch(e) {
jQuery.handleError(s, xhr, null, e);
// Fire the complete handlers
handleError: function( s, xhr, status, e ) {
// If a local callback was specified, fire it
if ( s.error ) {
- s.error.call( s.context || window, xhr, status, e );
+ s.error.call( s.context || s, xhr, status, e );
}
// Fire the global callback
},
httpData: function( xhr, type, s ) {
- var ct = xhr.getResponseHeader("content-type"),
- xml = type === "xml" || !type && ct && ct.indexOf("xml") >= 0,
+ var ct = xhr.getResponseHeader("content-type") || "",
+ xml = type === "xml" || !type && ct.indexOf("xml") >= 0,
data = xml ? xhr.responseXML : xhr.responseText;
if ( xml && data.documentElement.nodeName === "parsererror" ) {
// The filter can actually parse the response
if ( typeof data === "string" ) {
-
- // If the type is "script", eval it in global context
- if ( type === "script" ) {
- jQuery.globalEval( data );
- }
-
// Get the JavaScript object, if JSON is used.
- if ( type === "json" ) {
- if ( typeof JSON === "object" && JSON.parse ) {
- data = JSON.parse( data );
+ if ( type === "json" || !type && ct.indexOf("json") >= 0 ) {
+ // Make sure the incoming data is actual JSON
+ // Logic borrowed from http://json.org/json2.js
+ if (/^[\],:{}\s]*$/.test(data.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, "@")
+ .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]")
+ .replace(/(?:^|:|,)(?:\s*\[)+/g, ""))) {
+
+ // Try to use the native JSON parser first
+ if ( window.JSON && window.JSON.parse ) {
+ data = window.JSON.parse( data );
+
+ } else {
+ data = (new Function("return " + data))();
+ }
+
} else {
- data = (new Function("return " + data))();
+ throw "Invalid JSON: " + data;
}
+
+ // If the type is "script", eval it in global context
+ } else if ( type === "script" || !type && ct.indexOf("javascript") >= 0 ) {
+ jQuery.globalEval( data );
}
}
}
});
- } else if ( !traditional && typeof obj === "object" ) {
+ } else if ( !traditional && obj != null && typeof obj === "object" ) {
// Serialize object item.
jQuery.each( obj, function( k, v ) {
buildParams( prefix + "[" + k + "]", v );
git.asbjorn.biz / jquery.git / blobdiff