var // Document location ajaxLocParts, ajaxLocation, rhash = /#.*$/, rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL // #7653, #8125, #8152: local protocol detection rlocalProtocol = /^(?:about|app|app\-storage|.+\-extension|file|res|widget):$/, rnoContent = /^(?:GET|HEAD)$/, rprotocol = /^\/\//, rquery = /\?/, rscript = /)<[^<]*)*<\/script>/gi, rts = /([?&])_=[^&]*/, rurl = /^([\w\+\.\-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/, // Keep a copy of the old load method _load = jQuery.fn.load, /* Prefilters * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) * 2) These are called: * - BEFORE asking for a transport * - AFTER param serialization (s.data is a string if s.processData is true) * 3) key is the dataType * 4) the catchall symbol "*" can be used * 5) execution will start with transport dataType and THEN continue down to "*" if needed */ prefilters = {}, /* Transports bindings * 1) key is the dataType * 2) the catchall symbol "*" can be used * 3) selection will start with transport dataType and THEN go to "*" if needed */ transports = {}, // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression allTypes = ["*/"] + ["*"]; // #8138, IE may throw an exception when accessing // a field from window.location if document.domain has been set try { ajaxLocation = location.href; } catch( e ) { // Use the href attribute of an A element // since IE will modify it given document.location ajaxLocation = document.createElement( "a" ); ajaxLocation.href = ""; ajaxLocation = ajaxLocation.href; } // Segment location into parts ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || []; // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport function addToPrefiltersOrTransports( structure ) { // dataTypeExpression is optional and defaults to "*" return function( dataTypeExpression, func ) { if ( typeof dataTypeExpression !== "string" ) { func = dataTypeExpression; dataTypeExpression = "*"; } var dataType, list, placeBefore, dataTypes = dataTypeExpression.toLowerCase().split( core_rspace ), i = 0, length = dataTypes.length; if ( jQuery.isFunction( func ) ) { // For each dataType in the dataTypeExpression for ( ; i < length; i++ ) { dataType = dataTypes[ i ]; // We control if we're asked to add before // any existing element placeBefore = /^\+/.test( dataType ); if ( placeBefore ) { dataType = dataType.substr( 1 ) || "*"; } list = structure[ dataType ] = structure[ dataType ] || []; // then we add to the structure accordingly list[ placeBefore ? "unshift" : "push" ]( func ); } } }; } // Base inspection function for prefilters and transports function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR, dataType /* internal */, inspected /* internal */ ) { dataType = dataType || options.dataTypes[ 0 ]; inspected = inspected || {}; inspected[ dataType ] = true; var selection, list = structure[ dataType ], i = 0, length = list ? list.length : 0, executeOnly = ( structure === prefilters ); for ( ; i < length && ( executeOnly || !selection ); i++ ) { selection = list[ i ]( options, originalOptions, jqXHR ); // If we got redirected to another dataType // we try there if executing only and not done already if ( typeof selection === "string" ) { if ( !executeOnly || inspected[ selection ] ) { selection = undefined; } else { options.dataTypes.unshift( selection ); selection = inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR, selection, inspected ); } } } // If we're only executing or nothing was selected // we try the catchall dataType if not done already if ( ( executeOnly || !selection ) && !inspected[ "*" ] ) { selection = inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR, "*", inspected ); } // unnecessary when only executing (prefilters) // but it'll be ignored by the caller in that case return selection; } // A special extend for ajax options // that takes "flat" options (not to be deep extended) // Fixes #9887 function ajaxExtend( target, src ) { var key, deep, flatOptions = jQuery.ajaxSettings.flatOptions || {}; for ( key in src ) { if ( src[ key ] !== undefined ) { ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ]; } } if ( deep ) { jQuery.extend( true, target, deep ); } } jQuery.fn.load = function( url, params, callback ) { if ( typeof url !== "string" && _load ) { return _load.apply( this, arguments ); } // Don't do a request if no elements are being requested if ( !this.length ) { return this; } var selector, type, response, self = this, off = url.indexOf(" "); if ( off >= 0 ) { selector = url.slice( off, url.length ); url = url.slice( 0, off ); } // If it's a function if ( jQuery.isFunction( params ) ) { // We assume that it's the callback callback = params; params = undefined; // Otherwise, build a param string } else if ( params && typeof params === "object" ) { type = "POST"; } // Request the remote document jQuery.ajax({ url: url, // if "type" variable is undefined, then "GET" method will be used type: type, dataType: "html", data: params, complete: function( jqXHR, status ) { if ( callback ) { self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] ); } } }).done(function( responseText ) { // Save response for use in complete callback response = arguments; // See if a selector was specified self.html( selector ? // Create a dummy div to hold the results jQuery("
") // inject the contents of the document in, removing the scripts // to avoid any 'Permission Denied' errors in IE .append( responseText.replace( rscript, "" ) ) // Locate the specified elements .find( selector ) : // If not, just inject the full result responseText ); }); return this; }; // Attach a bunch of functions for handling common AJAX events jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split( " " ), function( i, o ){ jQuery.fn[ o ] = function( f ){ return this.on( o, f ); }; }); jQuery.each( [ "get", "post" ], function( i, method ) { jQuery[ method ] = function( url, data, callback, type ) { // shift arguments if data argument was omitted if ( jQuery.isFunction( data ) ) { type = type || callback; callback = data; data = undefined; } return jQuery.ajax({ type: method, url: url, data: data, success: callback, dataType: type }); }; }); jQuery.extend({ getScript: function( url, callback ) { return jQuery.get( url, undefined, callback, "script" ); }, getJSON: function( url, data, callback ) { return jQuery.get( url, data, callback, "json" ); }, // 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 ) { // Building a settings object ajaxExtend( target, jQuery.ajaxSettings ); } else { // Extending ajaxSettings settings = target; target = jQuery.ajaxSettings; } ajaxExtend( target, settings ); return target; }, ajaxSettings: { url: ajaxLocation, isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ), global: true, type: "GET", contentType: "application/x-www-form-urlencoded; charset=UTF-8", processData: true, async: true, /* timeout: 0, data: null, dataType: null, username: null, password: null, cache: null, throws: false, traditional: false, headers: {}, */ accepts: { xml: "application/xml, text/xml", html: "text/html", text: "text/plain", json: "application/json, text/javascript", "*": allTypes }, contents: { xml: /xml/, html: /html/, json: /json/ }, responseFields: { xml: "responseXML", text: "responseText" }, // List of data converters // 1) key format is "source_type destination_type" (a single space in-between) // 2) the catchall symbol "*" can be used for source_type converters: { // Convert anything to text "* text": window.String, // Text to html (true = no transformation) "text html": true, // Evaluate text as a json expression "text json": jQuery.parseJSON, // Parse text as xml "text xml": jQuery.parseXML }, // For options that shouldn't be deep extended: // you can add your own custom options here if // and when you create one that shouldn't be // deep extended (see ajaxExtend) flatOptions: { context: true, url: true } }, ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), ajaxTransport: addToPrefiltersOrTransports( transports ), // Main method ajax: function( url, options ) { // If url is an object, simulate pre-1.5 signature if ( typeof url === "object" ) { options = url; url = undefined; } // Force options to be an object options = options || {}; var // ifModified key ifModifiedKey, // Response headers responseHeadersString, responseHeaders, // transport transport, // timeout handle timeoutTimer, // Cross-domain detection vars parts, // To know if global events are to be dispatched fireGlobals, // Loop variable i, // Create the final options object s = jQuery.ajaxSetup( {}, options ), // Callbacks context 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 globalEventContext = callbackContext !== s && ( callbackContext.nodeType || callbackContext instanceof jQuery ) ? jQuery( callbackContext ) : jQuery.event, // Deferreds deferred = jQuery.Deferred(), completeDeferred = jQuery.Callbacks( "once memory" ), // Status-dependent callbacks statusCode = s.statusCode || {}, // Headers (they are sent all at once) requestHeaders = {}, requestHeadersNames = {}, // The jqXHR state state = 0, // Default abort message strAbort = "canceled", // Fake xhr jqXHR = { readyState: 0, // Caches the header setRequestHeader: function( name, value ) { if ( !state ) { var lname = name.toLowerCase(); name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name; requestHeaders[ name ] = value; } return this; }, // Raw string getAllResponseHeaders: function() { return state === 2 ? responseHeadersString : null; }, // Builds headers hashtable if needed getResponseHeader: function( key ) { var match; if ( state === 2 ) { if ( !responseHeaders ) { responseHeaders = {}; while( ( match = rheaders.exec( responseHeadersString ) ) ) { responseHeaders[ match[1].toLowerCase() ] = match[ 2 ]; } } match = responseHeaders[ key.toLowerCase() ]; } return match === undefined ? null : match; }, // Overrides response content-type header overrideMimeType: function( type ) { if ( !state ) { s.mimeType = type; } return this; }, // Cancel the request abort: function( statusText ) { statusText = statusText || strAbort; if ( transport ) { transport.abort( statusText ); } done( 0, statusText ); return this; } }; // 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) function done( status, nativeStatusText, responses, headers ) { var isSuccess, success, error, response, modified, statusText = nativeStatusText; // Called once if ( state === 2 ) { return; } // State is "done" now state = 2; // Clear timeout if it exists if ( timeoutTimer ) { clearTimeout( timeoutTimer ); } // Dereference transport for early garbage collection // (no matter how long the jqXHR object will be used) transport = undefined; // Cache response headers responseHeadersString = headers || ""; // Set readyState jqXHR.readyState = status > 0 ? 4 : 0; // Get response data if ( responses ) { response = ajaxHandleResponses( s, jqXHR, responses ); } // If successful, handle type chaining if ( status >= 200 && status < 300 || status === 304 ) { // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { modified = jqXHR.getResponseHeader("Last-Modified"); if ( modified ) { jQuery.lastModified[ ifModifiedKey ] = modified; } modified = jqXHR.getResponseHeader("Etag"); if ( modified ) { jQuery.etag[ ifModifiedKey ] = modified; } } // If not modified if ( status === 304 ) { statusText = "notmodified"; isSuccess = true; // If we have data } else { isSuccess = ajaxConvert( s, response ); statusText = isSuccess.state; success = isSuccess.data; error = isSuccess.error; isSuccess = !error; } } else { // We extract error from statusText // then normalize statusText and status for non-aborts error = statusText; if ( !statusText || status ) { statusText = "error"; if ( status < 0 ) { status = 0; } } } // Set data for the fake xhr object jqXHR.status = status; jqXHR.statusText = ( nativeStatusText || statusText ) + ""; // Success/Error if ( isSuccess ) { deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); } else { deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); } // Status-dependent callbacks jqXHR.statusCode( statusCode ); statusCode = undefined; if ( fireGlobals ) { globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ), [ jqXHR, s, isSuccess ? success : error ] ); } // Complete completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] ); if ( fireGlobals ) { globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); // Handle the global AJAX counter if ( !( --jQuery.active ) ) { jQuery.event.trigger( "ajaxStop" ); } } } // Attach deferreds deferred.promise( jqXHR ); jqXHR.success = jqXHR.done; jqXHR.error = jqXHR.fail; jqXHR.complete = completeDeferred.add; // Status-dependent callbacks jqXHR.statusCode = function( map ) { if ( map ) { var tmp; if ( state < 2 ) { for ( tmp in map ) { statusCode[ tmp ] = [ statusCode[tmp], map[tmp] ]; } } else { tmp = map[ jqXHR.status ]; jqXHR.always( tmp ); } } return this; }; // 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 ] + "//" ); // Extract dataTypes list s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( core_rspace ); // A cross-domain request is in order when we have a protocol:host:port mismatch if ( s.crossDomain == null ) { parts = rurl.exec( s.url.toLowerCase() ); s.crossDomain = !!( parts && ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] || ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? 80 : 443 ) ) != ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? 80 : 443 ) ) ) ); } // Convert data if not already a string if ( s.data && s.processData && typeof s.data !== "string" ) { s.data = jQuery.param( s.data, s.traditional ); } // Apply prefilters inspectPrefiltersOrTransports( prefilters, s, options, jqXHR ); // If request was aborted inside a prefilter, stop there if ( state === 2 ) { return jqXHR; } // We can fire global events as of now if asked to fireGlobals = s.global; // 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 ( fireGlobals && jQuery.active++ === 0 ) { jQuery.event.trigger( "ajaxStart" ); } // More options handling for requests with no content if ( !s.hasContent ) { // If data is available, append data to url if ( s.data ) { s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.data; // #9682: remove data so that it's not used in an eventual retry delete s.data; } // Get ifModifiedKey before adding the anti-cache parameter ifModifiedKey = s.url; // Add anti-cache in url if needed if ( s.cache === false ) { var ts = jQuery.now(), // try replacing _= if it is there 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 : "" ); } } // Set the correct header, if data is being sent if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { jqXHR.setRequestHeader( "Content-Type", s.contentType ); } // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { ifModifiedKey = ifModifiedKey || s.url; if ( jQuery.lastModified[ ifModifiedKey ] ) { jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ ifModifiedKey ] ); } if ( jQuery.etag[ ifModifiedKey ] ) { jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ ifModifiedKey ] ); } } // Set the Accepts header for the server, depending on the dataType jqXHR.setRequestHeader( "Accept", s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ? s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : s.accepts[ "*" ] ); // Check for headers option for ( i in s.headers ) { jqXHR.setRequestHeader( i, s.headers[ i ] ); } // Allow custom headers/mimetypes and early abort if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) { // Abort if not done already and return return jqXHR.abort(); } // aborting is no longer a cancellation strAbort = "abort"; // Install callbacks on deferreds for ( i in { success: 1, error: 1, complete: 1 } ) { jqXHR[ i ]( s[ i ] ); } // Get transport transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR ); // If no transport, we auto-abort if ( !transport ) { done( -1, "No Transport" ); } else { jqXHR.readyState = 1; // Send global event if ( fireGlobals ) { globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); } // Timeout if ( s.async && s.timeout > 0 ) { timeoutTimer = setTimeout( function(){ jqXHR.abort( "timeout" ); }, s.timeout ); } try { state = 1; transport.send( requestHeaders, done ); } catch (e) { // Propagate exception as error if not done if ( state < 2 ) { done( -1, e ); // Simply rethrow otherwise } else { throw e; } } } return jqXHR; }, // Counter for holding the number of active queries active: 0, // Last-Modified header cache for next request lastModified: {}, etag: {} }); /* Handles responses to an ajax request: * - sets all responseXXX fields accordingly * - finds the right dataType (mediates between content-type and expected dataType) * - returns the corresponding response */ function ajaxHandleResponses( s, jqXHR, responses ) { var ct, type, finalDataType, firstDataType, contents = s.contents, dataTypes = s.dataTypes, responseFields = s.responseFields; // Fill responseXXX fields for ( type in responseFields ) { if ( type in responses ) { jqXHR[ responseFields[type] ] = responses[ type ]; } } // Remove auto dataType and get content-type in the process while( dataTypes[ 0 ] === "*" ) { dataTypes.shift(); if ( ct === undefined ) { ct = s.mimeType || jqXHR.getResponseHeader( "content-type" ); } } // Check if we're dealing with a known content-type if ( ct ) { for ( type in contents ) { if ( contents[ type ] && contents[ type ].test( ct ) ) { dataTypes.unshift( type ); break; } } } // Check to see if we have a response for the expected dataType if ( dataTypes[ 0 ] in responses ) { finalDataType = dataTypes[ 0 ]; } else { // Try convertible dataTypes for ( type in responses ) { if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) { finalDataType = type; break; } if ( !firstDataType ) { firstDataType = type; } } // Or just use first one finalDataType = finalDataType || firstDataType; } // If we found a dataType // We add the dataType to the list if needed // and return the corresponding response if ( finalDataType ) { if ( finalDataType !== dataTypes[ 0 ] ) { dataTypes.unshift( finalDataType ); } return responses[ finalDataType ]; } } // Chain conversions given the request and the original response function ajaxConvert( s, response ) { var conv, conv2, current, tmp, // Work with a copy of dataTypes in case we need to modify it for conversion dataTypes = s.dataTypes.slice(), prev = dataTypes[ 0 ], converters = {}, i = 0; // Apply the dataFilter if provided if ( s.dataFilter ) { response = s.dataFilter( response, s.dataType ); } // Create converters map with lowercased keys if ( dataTypes[ 1 ] ) { for ( conv in s.converters ) { converters[ conv.toLowerCase() ] = s.converters[ conv ]; } } // Convert to each sequential dataType, tolerating list modification for ( ; (current = dataTypes[++i]); ) { // There's only work to do if current dataType is non-auto if ( current !== "*" ) { // Convert response if prev dataType is non-auto and differs from current if ( prev !== "*" && prev !== current ) { // Seek a direct converter conv = converters[ prev + " " + current ] || converters[ "* " + current ]; // If none found, seek a pair if ( !conv ) { for ( conv2 in converters ) { // If conv2 outputs current tmp = conv2.split(" "); if ( tmp[ 1 ] === current ) { // If prev can be converted to accepted input conv = converters[ prev + " " + tmp[ 0 ] ] || converters[ "* " + tmp[ 0 ] ]; if ( conv ) { // Condense equivalence converters if ( conv === true ) { conv = converters[ conv2 ]; // Otherwise, insert the intermediate dataType } else if ( converters[ conv2 ] !== true ) { current = tmp[ 0 ]; dataTypes.splice( i--, 0, current ); } break; } } } } // Apply converter (if not an equivalence) if ( conv !== true ) { // Unless errors are allowed to bubble, catch and return them if ( conv && s["throws"] ) { response = conv( response ); } else { try { response = conv( response ); } catch ( e ) { return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current }; } } } } // Update prev for next iteration prev = current; } } return { state: "success", data: response }; }