timeout: 0,
data: null,
dataType: null,
- dataTypes: null,
username: null,
password: null,
cache: null,
traditional: false,
+ headers: {},
+ crossDomain: null,
*/
- xhr: function() {
- return new window.XMLHttpRequest();
- },
accepts: {
xml: "application/xml, text/xml",
// Parse text as xml
"text xml": jQuery.parseXML
+ },
+
+ // Utility function that handles dataType when response is received
+ // (for those transports that can give text or xml responses)
+ determineDataType: function( ct , text , xml ) {
+
+ var s = this,
+ contents = s.contents,
+ type,
+ regexp,
+ dataTypes = s.dataTypes,
+ transportDataType = dataTypes[0],
+ response;
+
+ // Auto (xml, json, script or text determined given headers)
+ if ( transportDataType === "*" ) {
+
+ for ( type in contents ) {
+ if ( ( regexp = contents[ type ] ) && regexp.test( ct ) ) {
+ transportDataType = dataTypes[0] = type;
+ break;
+ }
+ }
+ }
+
+ // xml and parsed as such
+ if ( transportDataType === "xml" &&
+ xml &&
+ xml.documentElement /* #4958 */ ) {
+
+ response = xml;
+
+ // Text response was provided
+ } else {
+
+ response = text;
+
+ // If it's not really text, defer to converters
+ if ( transportDataType !== "text" ) {
+ dataTypes.unshift( "text" );
+ }
+
+ }
+
+ return response;
}
+
},
// Main method
- // (s is used internally)
- ajax: function( url , options , s ) {
+ ajax: function( url , options ) {
// Handle varargs
if ( arguments.length === 1 ) {
// Get the url if provided separately
options.url = url || options.url;
- // Create the final options object
- s = jQuery.extend( true , {} , jQuery.ajaxSettings , options );
-
- // We force the original context
- // (plain objects used as context get extended)
- s.context = options.context;
-
- var // jQuery lists
+ var // Create the final options object
+ s = jQuery.extend( true , {} , jQuery.ajaxSettings , options ),
+ // jQuery lists
jQuery_lastModified = jQuery.lastModified,
jQuery_etag = jQuery.etag,
// Callbacks contexts
- callbackContext = s.context || s,
- globalEventContext = s.context ? jQuery( s.context ) : jQuery.event,
+ callbackContext = options.context || s.context || s,
+ globalEventContext = callbackContext === s ? jQuery.event : jQuery( callbackContext ),
// Deferreds
deferred = jQuery.Deferred(),
completeDeferred = jQuery._Deferred(),
timeoutTimer,
// Cross-domain detection vars
loc = document.location,
+ protocol = loc.protocol || "http:",
parts,
// The jXHR state
state = 0,
},
// Builds headers hashtable if needed
- // (match is used internally)
- getResponseHeader: function( key , match ) {
+ getResponseHeader: function( key ) {
- if ( state !== 2 ) {
- return null;
- }
+ var match;
- if ( responseHeaders === undefined ) {
+ if ( state === 2 ) {
- responseHeaders = {};
+ if ( !responseHeaders ) {
- if ( typeof responseHeadersString === "string" ) {
+ responseHeaders = {};
while( ( match = rheaders.exec( responseHeadersString ) ) ) {
responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
}
}
+ match = responseHeaders[ key.toLowerCase() ];
+
}
- return responseHeaders[ key.toLowerCase() ];
+
+ return match || null;
},
// Cancel the request
abort: function( statusText ) {
- if ( transport && state !== 2 ) {
+ if ( transport ) {
transport.abort( statusText || "abort" );
- done( 0 , statusText );
}
+ done( 0 , statusText );
return this;
}
};
+ // We force the original context
+ // (plain objects used as context get extended)
+ s.context = options.context;
+
// Callback for when everything is done
// It is defined here because jslint complains if it is declared
// at the end of the function (which would be more logical and readable)
// State is "done" now
state = 2;
+ // Dereference transport for early garbage collection
+ // (no matter how long the jXHR transport will be used
+ transport = undefined;
+
// Set readyState
jXHR.readyState = status ? 4 : 0;
// Stored success
success,
// Stored error
- error;
+ error,
+
+ // Keep track of statusCode callbacks
+ oldStatusCode = statusCode;
+
+ statusCode = undefined;
// If successful, handle type chaining
if ( status >= 200 && status < 300 || status === 304 ) {
current,
// Previous dataType
prev,
+ // Conversion expression
+ conversion,
// Conversion function
conv,
// Conversion functions (when text is used in-between)
if ( prev !== "*" && current !== "*" && prev !== current ) {
// Get the converter
- conv = converters[ prev + " " + current ] ||
- converters[ "* " + current ];
+ conversion = prev + " " + current;
+ conv = converters[ conversion ] || converters[ "* " + current ];
conv1 = conv2 = 0;
}
// Status-dependent callbacks
- jXHR.statusCode( statusCode );
+ jXHR.statusCode( oldStatusCode );
if ( s.global ) {
globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ) ,
// Status-dependent callbacks
jXHR.statusCode = function( map ) {
if ( map ) {
- var resolved = jXHR.isResolved(),
- tmp;
- if ( resolved || jXHR.isRejected() ) {
- tmp = map[ jXHR.status ];
- if ( tmp ) {
- if ( map === statusCode ) {
- delete statusCode[ jXHR.status ];
- }
- jXHR[ resolved ? "done" : "fail" ]( tmp );
- }
- } else {
+ var tmp;
+ if ( statusCode ) {
for( tmp in map ) {
statusCode[ tmp ] = [ statusCode[ tmp ] , map[ tmp ] ];
}
+ } else {
+ tmp = map[ jXHR.status ];
+ jXHR.done( tmp ).fail( tmp );
}
}
return this;
// Remove hash character (#7531: and string promotion)
s.url = ( "" + s.url ).replace( rhash , "" );
- // Uppercase the type
- s.type = s.type.toUpperCase();
-
- // Determine if request has content
- s.hasContent = ! rnoContent.test( s.type );
-
// Extract dataTypes list
s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( /\s+/ );
parts = rurl.exec( s.url.toLowerCase() );
s.crossDomain = !!(
parts &&
- ( parts[ 1 ] && parts[ 1 ] != loc.protocol ||
+ ( parts[ 1 ] && parts[ 1 ] != protocol ||
parts[ 2 ] != loc.hostname ||
- ( parts[ 3 ] || 80 ) != ( loc.port || 80 ) )
+ ( parts[ 3 ] || ( ( parts[ 1 ] || protocol ) === "http:" ? 80 : 443 ) ) !=
+ ( loc.port || ( protocol === "http:" ? 80 : 443 ) ) )
);
}
// Convert data if not already a string
- if ( s.data && s.processData && typeof s.data != "string" ) {
+ if ( s.data && s.processData && typeof s.data !== "string" ) {
s.data = jQuery.param( s.data , s.traditional );
}
- // Get transport
- transport = jQuery.ajaxPrefilter( s , options ).ajaxTransport( s );
+ // Apply prefilters
+ jQuery.ajaxPrefilter( s , options );
+
+ // Uppercase the type
+ s.type = s.type.toUpperCase();
+
+ // Determine if request has content
+ s.hasContent = ! rnoContent.test( s.type );
// Watch for a new set of requests
if ( s.global && jQuery.active++ === 0 ) {
jQuery.event.trigger( "ajaxStart" );
}
- // If no transport, we auto-abort
- if ( ! transport ) {
+ // More options handling for requests with no content
+ if ( ! s.hasContent ) {
- done( 0 , "transport not found" );
- jXHR = false;
+ // If data is available, append data to url
+ if ( s.data ) {
+ s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.data;
+ }
- } else {
+ // Add anti-cache in url if needed
+ if ( s.cache === false ) {
- // More options handling for requests with no content
- if ( ! s.hasContent ) {
+ var ts = jQuery.now(),
+ // try replacing _= if it is there
+ ret = s.url.replace( rts , "$1_=" + ts );
- // If data is available, append data to url
- if ( s.data ) {
- s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.data;
- }
-
- // Add anti-cache in url if needed
- if ( s.cache === false ) {
+ // if nothing was replaced, add timestamp to the end
+ s.url = ret + ( (ret == s.url ) ? ( rquery.test( s.url ) ? "&" : "?" ) + "_=" + ts : "");
+ }
+ }
- var ts = jQuery.now(),
- // try replacing _= if it is there
- ret = s.url.replace( rts , "$1_=" + ts );
+ // Set the correct header, if data is being sent
+ if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
+ requestHeaders[ "content-type" ] = s.contentType;
+ }
- // if nothing was replaced, add timestamp to the end
- s.url = ret + ( (ret == s.url ) ? ( rquery.test( s.url ) ? "&" : "?" ) + "_=" + ts : "");
- }
+ // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
+ if ( s.ifModified ) {
+ if ( jQuery_lastModified[ s.url ] ) {
+ requestHeaders[ "if-modified-since" ] = jQuery_lastModified[ s.url ];
}
-
- // Set the correct header, if data is being sent
- if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
- requestHeaders[ "content-type" ] = s.contentType;
+ if ( jQuery_etag[ s.url ] ) {
+ requestHeaders[ "if-none-match" ] = jQuery_etag[ s.url ];
}
+ }
- // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
- if ( s.ifModified ) {
- if ( jQuery_lastModified[ s.url ] ) {
- requestHeaders[ "if-modified-since" ] = jQuery_lastModified[ s.url ];
- }
- if ( jQuery_etag[ s.url ] ) {
- requestHeaders[ "if-none-match" ] = jQuery_etag[ s.url ];
- }
- }
+ // Set the Accepts header for the server, depending on the dataType
+ requestHeaders.accept = s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
+ s.accepts[ s.dataTypes[ 0 ] ] + ( s.dataTypes[ 0 ] !== "*" ? ", */*; q=0.01" : "" ) :
+ s.accepts[ "*" ];
+
+ // Check for headers option
+ for ( i in s.headers ) {
+ requestHeaders[ i.toLowerCase() ] = s.headers[ i ];
+ }
+
+ // Allow custom headers/mimetypes and early abort
+ if ( s.beforeSend && ( s.beforeSend.call( callbackContext , jXHR , s ) === false || state === 2 ) ) {
+
+ // Abort if not done already
+ done( 0 , "abort" );
+
+ // Return false
+ jXHR = false;
- // Set the Accepts header for the server, depending on the dataType
- requestHeaders.accept = s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
- s.accepts[ s.dataTypes[ 0 ] ] + ( s.dataTypes[ 0 ] !== "*" ? ", */*; q=0.01" : "" ) :
- s.accepts[ "*" ];
+ } else {
- // Check for headers option
- for ( i in s.headers ) {
- requestHeaders[ i.toLowerCase() ] = s.headers[ i ];
+ // Install callbacks on deferreds
+ for ( i in { success:1, error:1, complete:1 } ) {
+ jXHR[ i ]( s[ i ] );
}
- // Allow custom headers/mimetypes and early abort
- if ( s.beforeSend && ( s.beforeSend.call( callbackContext , jXHR , s ) === false || state === 2 ) ) {
+ // Get transport
+ transport = jQuery.ajaxTransport( s , options );
+
+ // If no transport, we auto-abort
+ if ( ! transport ) {
- // Abort if not done already
- done( 0 , "abort" );
- jXHR = false;
+ done( 0 , "notransport" );
} else {
// Set state as sending
- state = 1;
- jXHR.readyState = 1;
-
- // Install callbacks on deferreds
- for ( i in { success:1, error:1, complete:1 } ) {
- jXHR[ i ]( s[ i ] );
- }
+ state = jXHR.readyState = 1;
// Send global event
if ( s.global ) {
});
//Execute or select from functions in a given structure of options
-function ajax_selectOrExecute( structure , s ) {
+function ajax_selectOrExecute( structure , s , options ) {
var dataTypes = s.dataTypes,
transportDataType,
} else {
- selected = list[ i ]( s , determineDataType );
+ selected = list[ i ]( s , options );
// If we got redirected to another dataType
// Search there (if not in progress or already tried)
first = jQuery.type( args[ 0 ] );
if ( first === "object" ) {
- return ajax_selectOrExecute( structure , args[ 0 ] );
+ return ajax_selectOrExecute( structure , args[ 0 ] , args[ 1 ] );
}
structure = jQuery.ajaxSettings[ structure ];
};
} );
-// Utility function that handles dataType when response is received
-// (for those transports that can give text or xml responses)
-function determineDataType( s , ct , text , xml ) {
-
- var contents = s.contents,
- type,
- regexp,
- dataTypes = s.dataTypes,
- transportDataType = dataTypes[0],
- response;
-
- // Auto (xml, json, script or text determined given headers)
- if ( transportDataType === "*" ) {
-
- for ( type in contents ) {
- if ( ( regexp = contents[ type ] ) && regexp.test( ct ) ) {
- transportDataType = dataTypes[0] = type;
- break;
- }
- }
- }
-
- // xml and parsed as such
- if ( transportDataType === "xml" &&
- xml &&
- xml.documentElement /* #4958 */ ) {
-
- response = xml;
-
- // Text response was provided
- } else {
-
- response = text;
-
- // If it's not really text, defer to converters
- if ( transportDataType !== "text" ) {
- dataTypes.unshift( "text" );
- }
-
- }
-
- return response;
-}
-
-/*
- * 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( xhrError ) {}
- }
-
- try {
- return new window.ActiveXObject("Microsoft.XMLHTTP");
- } catch( activeError ) {}
- };
-}
-
-var testXHR = jQuery.ajaxSettings.xhr();
-
-// Does this browser support XHR requests?
-jQuery.support.ajax = !!testXHR;
-
-// Does this browser support crossDomain XHR requests
-jQuery.support.cors = testXHR && "withCredentials" in testXHR;
-
})( jQuery );