-jQuery.fn.extend({
- // Keep a copy of the old load
- _load: jQuery.fn.load,
+(function( jQuery ) {
+
+var r20 = /%20/g,
+ rbracket = /\[\]$/,
+ rCRLF = /\r?\n/g,
+ rhash = /#.*$/,
+ rheaders = /^(.*?):\s*(.*?)\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,
+ rnoContent = /^(?:GET|HEAD)$/,
+ rprotocol = /^\/\//,
+ rquery = /\?/,
+ rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
+ rselectTextarea = /^(?:select|textarea)/i,
+ rspacesAjax = /\s+/,
+ 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 = {};
+
+// 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 = "*";
+ }
+
+ if ( jQuery.isFunction( func ) ) {
+ var dataTypes = dataTypeExpression.toLowerCase().split( rspacesAjax ),
+ i = 0,
+ length = dataTypes.length,
+ dataType,
+ list,
+ placeBefore;
+
+ // 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, jXHR,
+ dataType /* internal */, inspected /* internal */ ) {
+
+ dataType = dataType || options.dataTypes[ 0 ];
+ inspected = inspected || {};
+
+ inspected[ dataType ] = true;
+
+ var list = structure[ dataType ],
+ i = 0,
+ length = list ? list.length : 0,
+ executeOnly = ( structure === prefilters ),
+ selection;
+
+ for(; i < length && ( executeOnly || !selection ); i++ ) {
+ selection = list[ i ]( options, originalOptions, jXHR );
+ // If we got redirected to another dataType
+ // we try there if not done already
+ if ( typeof selection === "string" ) {
+ if ( inspected[ selection ] ) {
+ selection = undefined;
+ } else {
+ options.dataTypes.unshift( selection );
+ selection = inspectPrefiltersOrTransports(
+ structure, options, originalOptions, jXHR, 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, jXHR, "*", inspected );
+ }
+ // unnecessary when only executing (prefilters)
+ // but it'll be ignored by the caller in that case
+ return selection;
+}
+jQuery.fn.extend({
load: function( url, params, callback ) {
- if ( typeof url !== "string" )
- return this._load( url );
+ if ( typeof url !== "string" && _load ) {
+ return _load.apply( this, arguments );
+
+ // Don't do a request if no elements are being requested
+ } else if ( !this.length ) {
+ return this;
+ }
- var off = url.indexOf(" ");
+ var off = url.indexOf( " " );
if ( off >= 0 ) {
- var selector = url.slice(off, url.length);
- url = url.slice(0, off);
+ var selector = url.slice( off, url.length );
+ url = url.slice( 0, off );
}
// Default to a GET request
var type = "GET";
// If the second parameter was provided
- if ( params )
+ if ( params ) {
// If it's a function
if ( jQuery.isFunction( params ) ) {
// We assume that it's the callback
params = null;
// Otherwise, build a param string
- } else if( typeof params === "object" ) {
- params = jQuery.param( params );
+ } else if ( typeof params === "object" ) {
+ params = jQuery.param( params, jQuery.ajaxSettings.traditional );
type = "POST";
}
+ }
var self = this;
type: type,
dataType: "html",
data: params,
- complete: function(res, status){
+ // Complete callback (responseText is used internally)
+ complete: function( jXHR, status, responseText ) {
+ // Store the response as specified by the jXHR object
+ responseText = jXHR.responseText;
// If successful, inject the HTML into all the matched elements
- if ( status == "success" || status == "notmodified" )
+ if ( jXHR.isResolved() ) {
+ // #4825: Get the actual response in case
+ // a dataFilter is present in ajaxSettings
+ jXHR.done(function( r ) {
+ responseText = r;
+ });
// 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(/<script(.|\s)*?\/script>/g, ""))
+ .append(responseText.replace(rscript, ""))
// Locate the specified elements
.find(selector) :
// If not, just inject the full result
- res.responseText );
+ responseText );
+ }
- if( callback )
- self.each( callback, [res.responseText, status, res] );
+ if ( callback ) {
+ self.each( callback, [ responseText, status, jXHR ] );
+ }
}
});
+
return this;
},
serialize: function() {
- return jQuery.param(this.serializeArray());
+ return jQuery.param( this.serializeArray() );
},
+
serializeArray: function() {
return this.map(function(){
- return this.elements ? jQuery.makeArray(this.elements) : this;
+ return this.elements ? jQuery.makeArray( this.elements ) : this;
})
.filter(function(){
return this.name && !this.disabled &&
- (this.checked || /select|textarea/i.test(this.nodeName) ||
- /text|hidden|password/i.test(this.type));
+ ( this.checked || rselectTextarea.test( this.nodeName ) ||
+ rinput.test( this.type ) );
})
- .map(function(i, elem){
- var val = jQuery(this).val();
- return val == null ? null :
- jQuery.isArray(val) ?
- jQuery.map( val, function(val, i){
- return {name: elem.name, value: val};
+ .map(function( i, elem ){
+ var val = jQuery( this ).val();
+
+ return val == null ?
+ null :
+ jQuery.isArray( val ) ?
+ jQuery.map( val, function( val, i ){
+ return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
}) :
- {name: elem.name, value: val};
+ { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
}).get();
}
});
// 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.bind(o, f);
+jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split( " " ), function( i, o ){
+ jQuery.fn[ o ] = function( f ){
+ return this.bind( o, f );
};
-});
-
-var jsc = now();
+} );
-jQuery.extend({
-
- get: function( url, data, callback, type ) {
- // shift arguments if data argument was ommited
+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 = null;
}
return jQuery.ajax({
- type: "GET",
+ type: method,
url: url,
data: data,
success: callback,
dataType: type
});
- },
+ };
+} );
+
+jQuery.extend({
getScript: function( url, callback ) {
- return jQuery.get(url, null, callback, "script");
+ return jQuery.get( url, null, callback, "script" );
},
getJSON: function( url, data, callback ) {
- return jQuery.get(url, data, callback, "json");
- },
-
- post: function( url, data, callback, type ) {
- if ( jQuery.isFunction( data ) ) {
- callback = data;
- data = {};
- }
-
- return jQuery.ajax({
- type: "POST",
- url: url,
- data: data,
- success: callback,
- dataType: type
- });
+ return jQuery.get( url, data, callback, "json" );
},
ajaxSetup: function( settings ) {
- jQuery.extend( jQuery.ajaxSettings, settings );
+ jQuery.extend( true, jQuery.ajaxSettings, settings );
+ if ( settings.context ) {
+ jQuery.ajaxSettings.context = settings.context;
+ }
},
ajaxSettings: {
/*
timeout: 0,
data: null,
+ dataType: null,
username: null,
password: null,
+ cache: null,
+ traditional: false,
+ headers: {},
+ crossDomain: null,
*/
- // Create the request object; Microsoft failed to properly
- // implement the XMLHttpRequest in IE7, 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();
- },
+
accepts: {
xml: "application/xml, text/xml",
html: "text/html",
- script: "text/javascript, application/javascript",
- json: "application/json, text/javascript",
text: "text/plain",
- _default: "*/*"
- }
- },
+ json: "application/json, text/javascript",
+ "*": "*/*"
+ },
- // Last-Modified header cache for next request
- lastModified: {},
+ contents: {
+ xml: /xml/,
+ html: /html/,
+ json: /json/
+ },
- ajax: function( s ) {
- // Extend the settings, but re-extend 's' so that it can be
- // checked again later (in the test suite, specifically)
- s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s));
-
- var jsonp, jsre = /=\?(&|$)/g, status, data,
- type = s.type.toUpperCase();
-
- // convert data if not already a string
- if ( s.data && s.processData && typeof s.data !== "string" )
- s.data = jQuery.param(s.data);
-
- // Handle JSONP Parameter Callbacks
- if ( s.dataType == "jsonp" ) {
- if ( type == "GET" ) {
- if ( !s.url.match(jsre) )
- s.url += (s.url.match(/\?/) ? "&" : "?") + (s.jsonp || "callback") + "=?";
- } else if ( !s.data || !s.data.match(jsre) )
- s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
- s.dataType = "json";
- }
+ responseFields: {
+ xml: "responseXML",
+ text: "responseText"
+ },
- // Build temporary JSONP function
- if ( s.dataType == "json" && (s.data && s.data.match(jsre) || s.url.match(jsre)) ) {
- jsonp = "jsonp" + jsc++;
-
- // Replace the =? sequence both in the query string and the data
- if ( s.data )
- s.data = (s.data + "").replace(jsre, "=" + jsonp + "$1");
- s.url = s.url.replace(jsre, "=" + jsonp + "$1");
-
- // We need to make sure
- // that a JSONP style response is executed properly
- s.dataType = "script";
-
- // Handle JSONP-style loading
- window[ jsonp ] = function(tmp){
- data = tmp;
- success();
- complete();
- // Garbage collect
- window[ jsonp ] = undefined;
- try{ delete window[ jsonp ]; } catch(e){}
- if ( head )
- head.removeChild( script );
- };
- }
+ // List of data converters
+ // 1) key format is "source_type destination_type" (a single space in-between)
+ // 2) the catchall symbol "*" can be used for source_type
+ converters: {
- if ( s.dataType == "script" && s.cache == null )
- s.cache = false;
+ // Convert anything to text
+ "* text": window.String,
- if ( s.cache === false && type == "GET" ) {
- var ts = now();
- // try replacing _= if it is there
- var ret = s.url.replace(/(\?|&)_=.*?(&|$)/, "$1_=" + ts + "$2");
- // if nothing was replaced, add timestamp to the end
- s.url = ret + ((ret == s.url) ? (s.url.match(/\?/) ? "&" : "?") + "_=" + ts : "");
- }
+ // Text to html (true = no transformation)
+ "text html": true,
- // If data is available, append data to url for get requests
- if ( s.data && type == "GET" ) {
- s.url += (s.url.match(/\?/) ? "&" : "?") + s.data;
+ // Evaluate text as a json expression
+ "text json": jQuery.parseJSON,
- // IE likes to send both get and post data, prevent this
- s.data = null;
+ // Parse text as xml
+ "text xml": jQuery.parseXML
}
+ },
- // Watch for a new set of requests
- if ( s.global && ! jQuery.active++ )
- jQuery.event.trigger( "ajaxStart" );
+ ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
+ ajaxTransport: addToPrefiltersOrTransports( transports ),
+
+ // Main method
+ ajax: function( url, options ) {
- // Matches an absolute URL, and saves the domain
- var parts = /^(\w+:)?\/\/([^\/?#]+)/.exec( s.url );
-
- // If we're requesting a remote document
- // and trying to load JSON or Script with a GET
- if ( s.dataType == "script" && type == "GET" && parts
- && ( parts[1] && parts[1] != location.protocol || parts[2] != location.host )){
-
- var head = document.getElementsByTagName("head")[0];
- var script = document.createElement("script");
- script.src = s.url;
- if (s.scriptCharset)
- script.charset = s.scriptCharset;
-
- // Handle Script loading
- if ( !jsonp ) {
- var done = false;
-
- // Attach handlers for all browsers
- script.onload = script.onreadystatechange = function(){
- if ( !done && (!this.readyState ||
- this.readyState == "loaded" || this.readyState == "complete") ) {
- done = true;
- success();
- complete();
-
- // Handle memory leak in IE
- script.onload = script.onreadystatechange = null;
- head.removeChild( script );
+ // If options is not an object,
+ // we simulate pre-1.5 signature
+ if ( typeof options !== "object" ) {
+ options = url;
+ url = undefined;
+ }
+
+ // Force options to be an object
+ options = options || {};
+
+ var // Create the final options object
+ s = jQuery.extend( true, {}, jQuery.ajaxSettings, options ),
+ // Callbacks contexts
+ // 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,
+ globalEventContext = callbackContext === s ? jQuery.event : jQuery( callbackContext ),
+ // Deferreds
+ deferred = jQuery.Deferred(),
+ completeDeferred = jQuery._Deferred(),
+ // Status-dependent callbacks
+ statusCode = s.statusCode || {},
+ // Headers (they are sent all at once)
+ requestHeaders = {},
+ // Response headers
+ responseHeadersString,
+ responseHeaders,
+ // transport
+ transport,
+ // timeout handle
+ timeoutTimer,
+ // Cross-domain detection vars
+ loc = document.location,
+ protocol = loc.protocol || "http:",
+ parts,
+ // The jXHR state
+ state = 0,
+ // Loop variable
+ i,
+ // Fake xhr
+ jXHR = {
+
+ readyState: 0,
+
+ // Caches the header
+ setRequestHeader: function( name, value ) {
+ if ( state === 0 ) {
+ requestHeaders[ name.toLowerCase() ] = 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 || null;
+ },
+
+ // Cancel the request
+ abort: function( statusText ) {
+ statusText = statusText || "abort";
+ if ( transport ) {
+ transport.abort( statusText );
+ }
+ done( 0, statusText );
+ return this;
+ }
+ };
- head.appendChild(script);
+ // 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, statusText, responses, headers) {
- // We handle everything using the script element injection
- return undefined;
- }
+ // Called once
+ if ( state === 2 ) {
+ return;
+ }
- var requestDone = false;
+ // State is "done" now
+ state = 2;
- // Create the request object
- var xhr = s.xhr();
+ // Clear timeout if it exists
+ if ( timeoutTimer ) {
+ clearTimeout( timeoutTimer );
+ }
- // Open the socket
- // Passing null username, generates a login popup on Opera (#2865)
- if( s.username )
- xhr.open(type, s.url, s.async, s.username, s.password);
- else
- xhr.open(type, s.url, s.async);
+ // Dereference transport for early garbage collection
+ // (no matter how long the jXHR object will be used)
+ transport = undefined;
- // 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 )
- xhr.setRequestHeader("Content-Type", s.contentType);
+ // Cache response headers
+ responseHeadersString = headers || "";
- // Set the If-Modified-Since header, if ifModified mode.
- if ( s.ifModified )
- xhr.setRequestHeader("If-Modified-Since",
- jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT" );
+ // Set readyState
+ jXHR.readyState = status ? 4 : 0;
- // Set header so the called script knows that it's an XMLHttpRequest
- xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+ var isSuccess,
+ success,
+ error,
+ response = responses ? ajaxHandleResponses( s, jXHR, responses ) : undefined,
+ lastModified,
+ etag;
- // 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._default );
- } catch(e){}
+ // If successful, handle type chaining
+ if ( status >= 200 && status < 300 || status === 304 ) {
- // Allow custom headers/mimetypes and early abort
- if ( s.beforeSend && s.beforeSend(xhr, s) === false ) {
- // Handle the global AJAX counter
- if ( s.global && ! --jQuery.active )
- jQuery.event.trigger( "ajaxStop" );
- // close opended socket
- xhr.abort();
- return false;
- }
+ // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
+ if ( s.ifModified ) {
- if ( s.global )
- jQuery.event.trigger("ajaxSend", [xhr, s]);
-
- // Wait for a response to come back
- var onreadystatechange = function(isTimeout){
- // The request was aborted, clear the interval and decrement jQuery.active
- if (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" );
- }
- // 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;
+ if ( ( lastModified = jXHR.getResponseHeader( "Last-Modified" ) ) ) {
+ jQuery.lastModified[ s.url ] = lastModified;
+ }
+ if ( ( etag = jXHR.getResponseHeader( "Etag" ) ) ) {
+ jQuery.etag[ s.url ] = etag;
+ }
}
- status = isTimeout == "timeout" ? "timeout" :
- !jQuery.httpSuccess( xhr ) ? "error" :
- s.ifModified && jQuery.httpNotModified( xhr, s.url ) ? "notmodified" :
- "success";
+ // If not modified
+ if ( status === 304 ) {
+
+ statusText = "notmodified";
+ isSuccess = true;
+
+ // If we have data
+ } else {
- if ( status == "success" ) {
- // Watch for, and catch, XML document parse errors
try {
- // process the data (runs the xml through httpData regardless of callback)
- data = jQuery.httpData( xhr, s.dataType, s );
+ success = ajaxConvert( s, response );
+ statusText = "success";
+ isSuccess = true;
} catch(e) {
- status = "parsererror";
+ // We have a parsererror
+ statusText = "parsererror";
+ error = e;
+ }
+ }
+ } else {
+ // We extract error from statusText
+ // then normalize statusText and status for non-aborts
+ error = statusText;
+ if( status ) {
+ statusText = "error";
+ if ( status < 0 ) {
+ status = 0;
}
}
+ }
- // Make sure that the request was successful or notmodified
- if ( status == "success" ) {
- // Cache Last-Modified header, if ifModified mode.
- var modRes;
- try {
- modRes = xhr.getResponseHeader("Last-Modified");
- } catch(e) {} // swallow exception thrown by FF if header is not available
+ // Set data for the fake xhr object
+ jXHR.status = status;
+ jXHR.statusText = statusText;
- if ( s.ifModified && modRes )
- jQuery.lastModified[s.url] = modRes;
+ // Success/Error
+ if ( isSuccess ) {
+ deferred.resolveWith( callbackContext, [ success, statusText, jXHR ] );
+ } else {
+ deferred.rejectWith( callbackContext, [ jXHR, statusText, error ] );
+ }
- // JSONP handles its own success callback
- if ( !jsonp )
- success();
- } else
- jQuery.handleError(s, xhr, status);
+ // Status-dependent callbacks
+ jXHR.statusCode( statusCode );
+ statusCode = undefined;
- // Fire the complete handlers
- complete();
+ if ( s.global ) {
+ globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ),
+ [ jXHR, s, isSuccess ? success : error ] );
+ }
- if ( isTimeout )
- xhr.abort();
+ // Complete
+ completeDeferred.resolveWith( callbackContext, [ jXHR, statusText ] );
- // Stop memory leaks
- if ( s.async )
- xhr = null;
+ if ( s.global ) {
+ globalEventContext.trigger( "ajaxComplete", [ jXHR, s] );
+ // Handle the global AJAX counter
+ if ( !( --jQuery.active ) ) {
+ jQuery.event.trigger( "ajaxStop" );
+ }
}
+ }
+
+ // Attach deferreds
+ deferred.promise( jXHR );
+ jXHR.success = jXHR.done;
+ jXHR.error = jXHR.fail;
+ jXHR.complete = completeDeferred.done;
+
+ // Status-dependent callbacks
+ jXHR.statusCode = function( map ) {
+ if ( map ) {
+ var tmp;
+ if ( state < 2 ) {
+ for( tmp in map ) {
+ statusCode[ tmp ] = [ statusCode[tmp], map[tmp] ];
+ }
+ } else {
+ tmp = map[ jXHR.status ];
+ jXHR.then( tmp, tmp );
+ }
+ }
+ return this;
};
- 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" );
- }, s.timeout);
+ // 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, protocol + "//" );
+
+ // Extract dataTypes list
+ s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( rspacesAjax );
+
+ // Determine if a cross-domain request is in order
+ if ( !s.crossDomain ) {
+ parts = rurl.exec( s.url.toLowerCase() );
+ s.crossDomain = !!( parts &&
+ ( parts[ 1 ] != protocol || parts[ 2 ] != loc.hostname ||
+ ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? 80 : 443 ) ) !=
+ ( loc.port || ( protocol === "http:" ? 80 : 443 ) ) )
+ );
}
- // Send the data
- try {
- xhr.send(s.data);
- } catch(e) {
- jQuery.handleError(s, xhr, null, e);
+ // Convert data if not already a string
+ if ( s.data && s.processData && typeof s.data !== "string" ) {
+ s.data = jQuery.param( s.data, s.traditional );
}
- // firefox 1.5 doesn't fire statechange for sync requests
- if ( !s.async )
- onreadystatechange();
+ // Apply prefilters
+ inspectPrefiltersOrTransports( prefilters, s, options, jXHR );
- function success(){
- // If a local callback was specified, fire it and pass it the data
- if ( s.success )
- s.success( data, status );
+ // Uppercase the type
+ s.type = s.type.toUpperCase();
- // Fire the global callback
- if ( s.global )
- jQuery.event.trigger( "ajaxSuccess", [xhr, s] );
+ // 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" );
}
- function complete(){
- // Process result
- if ( s.complete )
- s.complete(xhr, status);
+ // More options handling for requests with no content
+ if ( !s.hasContent ) {
- // The request was completed
- if ( s.global )
- jQuery.event.trigger( "ajaxComplete", [xhr, s] );
+ // 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 ) {
+
+ var ts = jQuery.now(),
+ // try replacing _= if it is there
+ ret = s.url.replace( rts, "$1_=" + ts );
- // Handle the global AJAX counter
- if ( s.global && ! --jQuery.active )
- jQuery.event.trigger( "ajaxStop" );
+ // if nothing was replaced, add timestamp to the end
+ s.url = ret + ( (ret === s.url ) ? ( rquery.test( s.url ) ? "&" : "?" ) + "_=" + ts : "" );
+ }
}
- // return XMLHttpRequest to allow aborting the request etc.
- return xhr;
- },
+ // Set the correct header, if data is being sent
+ if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
+ requestHeaders[ "content-type" ] = s.contentType;
+ }
- handleError: function( s, xhr, status, e ) {
- // If a local callback was specified, fire it
- if ( s.error ) s.error( xhr, status, e );
+ // 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 ];
+ }
+ }
- // Fire the global callback
- if ( s.global )
- jQuery.event.trigger( "ajaxError", [xhr, s, e] );
- },
+ // 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[ "*" ];
- // Counter for holding the number of active queries
- active: 0,
+ // Check for headers option
+ for ( i in s.headers ) {
+ requestHeaders[ i.toLowerCase() ] = s.headers[ i ];
+ }
- // Determines if an XMLHttpRequest was successful or not
- httpSuccess: function( xhr ) {
- try {
- // IE error sometimes returns 1223 when it should be 204 so treat it as success, see #1450
- return !xhr.status && location.protocol == "file:" ||
- ( xhr.status >= 200 && xhr.status < 300 ) || xhr.status == 304 || xhr.status == 1223;
- } catch(e){}
- return false;
- },
+ // 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;
- // Determines if an XMLHttpRequest returns NotModified
- httpNotModified: function( xhr, url ) {
- try {
- var xhrRes = xhr.getResponseHeader("Last-Modified");
+ } else {
- // Firefox always returns 200. check Last-Modified date
- return xhr.status == 304 || xhrRes == jQuery.lastModified[url];
- } catch(e){}
- return false;
- },
+ // Install callbacks on deferreds
+ for ( i in { success: 1, error: 1, complete: 1 } ) {
+ jXHR[ i ]( s[ i ] );
+ }
+
+ // Get transport
+ transport = inspectPrefiltersOrTransports( transports, s, options, jXHR );
+
+ // If no transport, we auto-abort
+ if ( !transport ) {
+ done( -1, "No Transport" );
+ } else {
+ // Set state as sending
+ state = jXHR.readyState = 1;
+ // Send global event
+ if ( s.global ) {
+ globalEventContext.trigger( "ajaxSend", [ jXHR, s ] );
+ }
+ // Timeout
+ if ( s.async && s.timeout > 0 ) {
+ timeoutTimer = setTimeout( function(){
+ jXHR.abort( "timeout" );
+ }, s.timeout );
+ }
- httpData: function( xhr, type, s ) {
- var ct = xhr.getResponseHeader("content-type"),
- xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0,
- data = xml ? xhr.responseXML : xhr.responseText;
-
- if ( xml && data.documentElement.tagName == "parsererror" )
- throw "parsererror";
-
- // Allow a pre-filtering function to sanitize the response
- // s != null is checked to keep backwards compatibility
- if( s && s.dataFilter )
- data = s.dataFilter( data, type );
-
- // 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" )
- data = window["eval"]("(" + data + ")");
+ try {
+ transport.send( requestHeaders, done );
+ } catch (e) {
+ // Propagate exception as error if not done
+ if ( status < 2 ) {
+ done( -1, e );
+ // Simply rethrow otherwise
+ } else {
+ jQuery.error( e );
+ }
+ }
+ }
}
-
- return data;
+ return jXHR;
},
// Serialize an array of form elements or a set of
// key/values into a query string
- param: function( a ) {
- var s = [ ];
+ param: function( a, traditional ) {
+ var s = [],
+ add = function( key, value ) {
+ // If value is a function, invoke it and return its value
+ value = jQuery.isFunction( value ) ? value() : value;
+ s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
+ };
- function add( key, value ){
- s[ s.length ] = encodeURIComponent(key) + '=' + encodeURIComponent(value);
- };
+ // Set traditional to true for jQuery <= 1.3.2 behavior.
+ if ( traditional === undefined ) {
+ traditional = jQuery.ajaxSettings.traditional;
+ }
- // If an array was passed in, assume that it is an array
- // of form elements
- if ( jQuery.isArray(a) || a.jquery )
+ // If an array was passed in, assume that it is an array of form elements.
+ if ( jQuery.isArray( a ) || a.jquery ) {
// Serialize the form elements
- jQuery.each( a, function(){
+ jQuery.each( a, function() {
add( this.name, this.value );
- });
+ } );
- // Otherwise, assume that it's an object of key/value pairs
- else
- // Serialize the key/values
- for ( var j in a )
- // If the value is an array then the key names need to be repeated
- if ( jQuery.isArray(a[j]) )
- jQuery.each( a[j], function(){
- add( j, this );
- });
- else
- add( j, jQuery.isFunction(a[j]) ? a[j]() : a[j] );
+ } else {
+ // If traditional, encode the "old" way (the way 1.3.2 or older
+ // did it), otherwise encode params recursively.
+ for ( var prefix in a ) {
+ buildParams( prefix, a[ prefix ], traditional, add );
+ }
+ }
// Return the resulting serialization
- return s.join("&").replace(/%20/g, "+");
+ return s.join( "&" ).replace( r20, "+" );
+ }
+});
+
+function buildParams( prefix, obj, traditional, add ) {
+ if ( jQuery.isArray( obj ) && obj.length ) {
+ // Serialize array item.
+ jQuery.each( obj, function( i, v ) {
+ if ( traditional || rbracket.test( prefix ) ) {
+ // Treat each array item as a scalar.
+ add( prefix, v );
+
+ } else {
+ // If array item is non-scalar (array or object), encode its
+ // numeric index to resolve deserialization ambiguity issues.
+ // Note that rack (as of 1.0.0) can't currently deserialize
+ // nested arrays properly, and attempting to do so may cause
+ // a server error. Possible fixes are to modify rack's
+ // deserialization algorithm or to provide an option or flag
+ // to force array serialization to be shallow.
+ buildParams( prefix + "[" + ( typeof v === "object" || jQuery.isArray(v) ? i : "" ) + "]", v, traditional, add );
+ }
+ });
+
+ } else if ( !traditional && obj != null && typeof obj === "object" ) {
+ // If we see an array here, it is empty and should be treated as an empty
+ // object
+ if ( jQuery.isArray( obj ) || jQuery.isEmptyObject( obj ) ) {
+ add( prefix, "" );
+
+ // Serialize object item.
+ } else {
+ jQuery.each( obj, function( k, v ) {
+ buildParams( prefix + "[" + k + "]", v, traditional, add );
+ });
+ }
+
+ } else {
+ // Serialize scalar item.
+ add( prefix, obj );
}
+}
+
+// This is still on the jQuery object... for now
+// Want to move this to jQuery.ajax some day
+jQuery.extend({
+
+ // 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, jXHR, responses ) {
+
+ var contents = s.contents,
+ dataTypes = s.dataTypes,
+ responseFields = s.responseFields,
+ ct,
+ type,
+ finalDataType,
+ firstDataType;
+
+ // Fill responseXXX fields
+ for( type in responseFields ) {
+ if ( type in responses ) {
+ jXHR[ responseFields[type] ] = responses[ type ];
+ }
+ }
+
+ // Remove auto dataType and get content-type in the process
+ while( dataTypes[ 0 ] === "*" ) {
+ dataTypes.shift();
+ if ( ct === undefined ) {
+ ct = jXHR.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 ) {
+
+ // Apply the dataFilter if provided
+ if ( s.dataFilter ) {
+ response = s.dataFilter( response, s.dataType );
+ }
+
+ var dataTypes = s.dataTypes,
+ converters = s.converters,
+ i,
+ length = dataTypes.length,
+ tmp,
+ // Current and previous dataTypes
+ current = dataTypes[ 0 ],
+ prev,
+ // Conversion expression
+ conversion,
+ // Conversion function
+ conv,
+ // Conversion functions (transitive conversion)
+ conv1,
+ conv2;
+
+ // For each dataType in the chain
+ for( i = 1; i < length; i++ ) {
+
+ // Get the dataTypes
+ prev = current;
+ current = dataTypes[ i ];
+
+ // If current is auto dataType, update it to prev
+ if( current === "*" ) {
+ current = prev;
+ // If no auto and dataTypes are actually different
+ } else if ( prev !== "*" && prev !== current ) {
+
+ // Get the converter
+ conversion = prev + " " + current;
+ conv = converters[ conversion ] || converters[ "* " + current ];
+
+ // If there is no direct converter, search transitively
+ if ( !conv ) {
+ conv2 = undefined;
+ for( conv1 in converters ) {
+ tmp = conv1.split( " " );
+ if ( tmp[ 0 ] === prev || tmp[ 0 ] === "*" ) {
+ conv2 = converters[ tmp[1] + " " + current ];
+ if ( conv2 ) {
+ conv1 = converters[ conv1 ];
+ if ( conv1 === true ) {
+ conv = conv2;
+ } else if ( conv2 === true ) {
+ conv = conv1;
+ }
+ break;
+ }
+ }
+ }
+ }
+ // If we found no converter, dispatch an error
+ if ( !( conv || conv2 ) ) {
+ jQuery.error( "No conversion from " + conversion.replace(" "," to ") );
+ }
+ // If found converter is not an equivalence
+ if ( conv !== true ) {
+ // Convert with 1 or 2 converters accordingly
+ response = conv ? conv( response ) : conv2( conv1(response) );
+ }
+ }
+ }
+ return response;
+}
+
+})( jQuery );