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,
rquery = /\?/,
rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
rselectTextarea = /^(?:select|textarea)/i,
+ rspacesAjax = /\s+/,
rts = /([?&])_=[^&]*/,
rurl = /^(\w+:)?\/\/([^\/?#:]+)(?::(\d+))?/,
- rCRLF = /\r?\n/g,
// Slice function
sliceFunc = Array.prototype.slice,
// Keep a copy of the old load method
- _load = jQuery.fn.load;
+ _load = jQuery.fn.load,
+
+ // Prefilters
+ // 1) They are useful to introduce custom dataTypes (see transport/jsonp 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 = {};
jQuery.fn.extend({
load: function( url, params, callback ) {
text: "responseText"
},
- // Prefilters
- // 1) They are useful to introduce custom dataTypes (see transport/jsonp 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: {},
-
// 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
},
ajaxPrefilter: function( a , b ) {
- ajaxPrefilterOrTransport( "prefilters" , a , b );
+ prefiltersOrTransports( prefilters , a , b );
},
ajaxTransport: function( a , b ) {
- return ajaxPrefilterOrTransport( "transports" , a , b );
+ return prefiltersOrTransports( transports , a , b );
},
// Main method
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
// We force the original context if it exists
// or take it from jQuery.ajaxSettings otherwise
// 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;
},
// 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 jXHR object will be used)
transport = undefined;
- // Set readyState
- jXHR.readyState = status ? 4 : 0;
-
// Cache response headers
responseHeadersString = headers || "";
- // Clear timeout if it exists
- if ( timeoutTimer ) {
- clearTimeout(timeoutTimer);
- }
-
- var // Reference dataTypes, converters and responseFields
- dataTypes = s.dataTypes,
- converters = s.converters,
- responseFields = s.responseFields,
- responseField,
+ // Set readyState
+ jXHR.readyState = status ? 4 : 0;
- // Flag to mark as success
- isSuccess,
- // Stored success
+ var isSuccess,
success,
- // Stored error
- error,
-
- // To keep track of statusCode based callbacks
- oldStatusCode,
-
- // Actual response
- response;
-
- // If we got responses:
- // - find the right one
- // - update dataTypes accordingly
- // - set responseXXX accordingly too
- if ( responses ) {
-
- var contents = s.contents,
- transportDataType = dataTypes[0],
- ct,
- type,
- finalDataType,
- firstDataType;
-
- // Auto (xml, json, script or text determined given headers)
- if ( transportDataType === "*" ) {
-
- // Remove all auto types
- while( dataTypes[0] === "*" ) {
- dataTypes.shift();
- }
- transportDataTypes = dataTypes[0];
-
- // Get content type
- ct = jXHR.getResponseHeader( "content-type" );
-
- // Check if it's a known type
- for ( type in contents ) {
- if ( contents[ type ] && contents[ type ].test( ct ) ) {
- dataTypes.unshift( ( transportDataType = type ) );
- break;
- }
- }
- }
-
- // Check to see if we have a response for the expected dataType
- if ( transportDataType in responses ) {
- finalDataType = transportDataType;
- } else {
- // Try convertible dataTypes
- for ( type in responses ) {
- if ( ! firstDataType ) {
- firstDataType = type;
- }
- if ( ! transportDataType || converters[ type + " " + transportDataType ] ) {
- finalDataType = type;
- break;
- }
- }
- // Or just use first one
- finalDataType = finalDataType || firstDataType;
- }
-
- // If we found a dataType
- // We get the corresponding response
- // and add the dataType to the list if needed
- if ( finalDataType ) {
- response = responses[ finalDataType ];
- if ( finalDataType !== transportDataType ) {
- dataTypes.unshift( finalDataType );
- }
- }
-
- // Fill responseXXX fields
- for( type in responseFields ) {
- if ( type in responses ) {
- jXHR[ responseFields[ type ] ] = responses[ type ];
- }
- }
- }
+ error = ( statusText = statusText || "error" ),
+ response = responses ? ajaxHandleResponses( s , jXHR , responses ) : undefined,
+ lastModified,
+ etag;
// 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 ) {
- var lastModified = jXHR.getResponseHeader("Last-Modified"),
- etag = jXHR.getResponseHeader("Etag");
-
- if (lastModified) {
- jQuery_lastModified[ s.url ] = lastModified;
+ if ( ( lastModified = jXHR.getResponseHeader("Last-Modified") ) ) {
+ jQuery.lastModified[ s.url ] = lastModified;
}
- if (etag) {
- jQuery_etag[ s.url ] = etag;
+ if ( ( etag = jXHR.getResponseHeader("Etag") ) ) {
+ jQuery.etag[ s.url ] = etag;
}
}
if ( status === 304 ) {
statusText = "notmodified";
- isSuccess = 1;
+ isSuccess = true;
// If we have data
} else {
- statusText = "success";
-
- // Chain data conversions and determine the final value
- // (if an exception is thrown in the process, it'll be notified as an error)
try {
-
- var i,
- tmp,
- // Current dataType
- current,
- // Previous dataType
- prev,
- // Conversion expression
- conversion,
- // Conversion function
- conv,
- // Conversion functions (when text is used in-between)
- conv1,
- conv2;
-
- // For each dataType in the chain
- for( i = 0 ; i < dataTypes.length ; i++ ) {
-
- current = dataTypes[ i ];
-
- // If a responseXXX field for this dataType exists
- // and if it hasn't been set yet
- responseField = responseFields[ current ];
- if ( responseField && ! ( responseField in jXHR ) ) {
- jXHR[ responseField ] = response;
- }
-
- // If this is not the first element
- if ( i ) {
-
- // Get the dataType to convert from
- prev = dataTypes[ i - 1 ];
-
- // If no auto and dataTypes are actually different
- if ( prev !== "*" && current !== "*" && prev !== current ) {
-
- // Get the converter
- conversion = prev + " " + current;
- conv = converters[ conversion ] || converters[ "* " + current ];
-
- // If there is no direct converter, search transitively
- if ( ! conv ) {
- conv1 = 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 || conv1 && conv2 ) ) {
- throw conversion;
- }
- // If found converter is not an equivalence
- if ( conv !== true ) {
- // Convert with 1 or 2 converters accordingly
- response = conv ? conv( response ) : conv2( conv1( response ) );
- }
- }
- // If it is the first element of the chain
- // and we have a dataFilter
- } else if ( s.dataFilter ) {
- // Apply the dataFilter
- response = s.dataFilter( response , current );
- // Get dataTypes again in case the filter changed them
- dataTypes = s.dataTypes;
- }
- }
- // End of loop
-
- // We have a real success
- success = response;
- isSuccess = 1;
-
- // If an exception was thrown
+ success = ajaxConvert( s , response );
+ statusText = "success";
+ isSuccess = true;
} catch(e) {
-
// We have a parsererror
statusText = "parsererror";
error = "" + e;
-
}
}
-
- // if not success, mark it as an error
- } else {
- error = statusText = statusText || "error";
}
// Set data for the fake xhr object
}
// Status-dependent callbacks
- oldStatusCode = statusCode;
+ jXHR.statusCode( statusCode );
statusCode = undefined;
- jXHR.statusCode( oldStatusCode );
if ( s.global ) {
globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ) ,
jXHR.statusCode = function( map ) {
if ( map ) {
var tmp;
- if ( statusCode ) {
+ if ( state < 2 ) {
for( tmp in map ) {
statusCode[ tmp ] = [ statusCode[ tmp ] , map[ tmp ] ];
}
} else {
tmp = map[ jXHR.status ];
- jXHR.done( tmp ).fail( tmp );
+ jXHR.then( tmp , tmp );
}
}
return this;
s.url = ( "" + ( url || s.url ) ).replace( rhash , "" );
// Extract dataTypes list
- s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( /\s+/ );
+ s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( rspacesAjax );
// Determine if a cross-domain request is in order
if ( ! s.crossDomain ) {
// 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.lastModified[ s.url ] ) {
+ requestHeaders[ "if-modified-since" ] = jQuery.lastModified[ s.url ];
}
- if ( jQuery_etag[ s.url ] ) {
- requestHeaders[ "if-none-match" ] = jQuery_etag[ s.url ];
+ if ( jQuery.etag[ s.url ] ) {
+ requestHeaders[ "if-none-match" ] = jQuery.etag[ s.url ];
}
}
// If no transport, we auto-abort
if ( ! transport ) {
-
done( 0 , "notransport" );
-
} else {
// Set state as sending
}, s.timeout);
}
- // Try to send
try {
transport.send(requestHeaders, done);
} catch (e) {
// Propagate exception as error if not done
if ( status === 1 ) {
-
done(0, "error", "" + e);
jXHR = false;
-
// Simply rethrow otherwise
} else {
jQuery.error(e);
});
-// Base function for both ajaxPrefilter and ajaxTransport
-function ajaxPrefilterOrTransport( arg0 , arg1 , arg2 ) {
-
- var type = jQuery.type( arg1 ),
- structure = jQuery.ajaxSettings[ arg0 ],
- i,
- length;
-
- // We have an options map so we have to inspect the structure
- if ( type === "object" ) {
+// Base inspection function for prefilters and transports
+function inspectPrefiltersOrTransports( structure , options , originalOptions , dataType , tested ) {
+
+ dataType = dataType || options.dataTypes[0];
+ tested = tested || {};
+
+ if ( ! tested[ dataType ] ) {
+
+ tested[ dataType ] = true;
+
+ var list = structure[ dataType ],
+ i = 0,
+ length = list ? list.length : 0,
+ executeOnly = structure === prefilters,
+ selected;
+
+ for( ; ( executeOnly || ! selected ) && i < length ; i++ ) {
+ selected = list[ i ]( options , originalOptions );
+ // If we got redirected to a different dataType,
+ // we add it and switch to the corresponding list
+ if ( typeof( selected ) === "string" && selected !== dataType ) {
+ options.dataTypes.unshift( selected );
+ selected = inspectPrefiltersOrTransports(
+ structure , options , originalOptions , selected , tested );
+ // We always break in order not to continue
+ // to iterate in previous list
+ break;
+ }
+ }
+ // If we're only executing or nothing was selected
+ // we try the catchall dataType
+ if ( ! tested[ "*" ] && ( executeOnly || ! selected ) ) {
+ selected = inspectPrefiltersOrTransports(
+ structure , options , originalOptions , "*" , tested );
+ }
+ // This will be ignored by ajaxPrefilter
+ // so it's safe to return no matter what
+ return selected;
+ }
+}
- var options = arg1,
- originalOptions = arg2,
- // When dealing with prefilters, we execute only
- // (no selection so we never stop when a function
- // returns a non-falsy, non-string value)
- executeOnly = ( arg0 === "prefilters" ),
- inspect = function( dataType, tested ) {
-
- if ( ! tested[ dataType ] ) {
-
- tested[ dataType ] = true;
-
- var list = structure[ dataType ],
- selected;
-
- for( i = 0, length = list ? list.length : 0 ; ( executeOnly || ! selected ) && i < length ; i++ ) {
- selected = list[ i ]( options , originalOptions );
- // If we got redirected to a different dataType,
- // we add it and switch to the corresponding list
- if ( typeof( selected ) === "string" && selected !== dataType ) {
- options.dataTypes.unshift( selected );
- selected = inspect( selected , tested );
- // We always break in order not to continue
- // to iterate in previous list
- break;
- }
- }
- // If we're only executing or nothing was selected
- // we try the catchall dataType
- if ( executeOnly || ! selected ) {
- selected = inspect( "*" , tested );
- }
- // This will be ignored by ajaxPrefilter
- // so it's safe to return no matter what
- return selected;
- }
+function addToPrefiltersOrTransports( structure , dataTypeExpression , functor ) {
+
+ var dataTypes = dataTypeExpression.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" ]( functor );
+ }
+}
- };
+// Base function for both ajaxPrefilter and ajaxTransport
+function prefiltersOrTransports( structure , arg1 , arg2 , type /* internal */ ) {
- // Start inspection with current transport dataType
- return inspect( options.dataTypes[ 0 ] , {} );
+ type = jQuery.type( arg1 );
+ if ( type === "object" ) {
+ // We have an options map so we have to inspect the structure
+ return inspectPrefiltersOrTransports( structure , arg1 , arg2 );
} else {
-
// We're requested to add to the structure
// Signature is ( dataTypeExpression , function )
// with dataTypeExpression being optional and
- // defaulting to catchAll (*)
- type = type === "function";
-
+ // defaulting to auto ("*")
+ type = ( type === "function" );
if ( type ) {
arg2 = arg1;
arg1 = undefined;
}
- arg1 = arg1 || "*";
-
// We control that the second argument is really a function
if ( type || jQuery.isFunction( arg2 ) ) {
+ addToPrefiltersOrTransports( structure , arg1 || "*" , arg2 );
+ }
+ }
+}
+
+// Handles responses to an ajax request:
+// - sets all responseXXX fields accordingly
+// - finds the right dataType (mediating between content-type and expecting 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;
+ }
- var dataTypes = arg1.split( /\s+/ ),
- functor = arg2,
- dataType,
- list,
- placeBefore;
-
- // For each dataType in the dataTypeExpression
- for( i = 0 , length = dataTypes.length ; 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 );
+ // 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 (when text is used in-between)
+ 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;
+ }
+ }
}
- list = structure[ dataType ] = structure[ dataType ] || [];
- // then we add to the structure accordingly
- list[ placeBefore ? "unshift" : "push" ]( functor );
+ }
+ // 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 );