// (match is used internally)
getResponseHeader: function( key , match ) {
- if ( state !== 2 ) {
- return null;
- }
+ if ( state === 2 ) {
- if ( responseHeaders === undefined ) {
+ if ( responseHeaders === undefined ) {
- responseHeaders = {};
+ responseHeaders = {};
- if ( typeof responseHeadersString === "string" ) {
+ if ( typeof responseHeadersString === "string" ) {
- while( ( match = rheaders.exec( responseHeadersString ) ) ) {
- responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
+ while( ( match = rheaders.exec( responseHeadersString ) ) ) {
+ responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
+ }
}
}
+ match = responseHeaders[ key.toLowerCase() ];
+
+ } else {
+
+ match = null;
}
- return responseHeaders[ key.toLowerCase() ];
+
+ return match;
},
// Cancel the request
abort: function( statusText ) {
- if ( transport && state !== 2 ) {
+ if ( transport ) {
transport.abort( statusText || "abort" );
- done( 0 , statusText );
}
+ done( 0 , statusText );
return this;
}
};
// State is "done" now
state = 2;
+ // Dereference transport for early garbage collection
+ // (no matter how long the jXHR transport will be used
+ transport = 0;
+
// Set readyState
jXHR.readyState = status ? 4 : 0;
s.data = jQuery.param( s.data , s.traditional );
}
- // Get transport
- transport = jQuery.ajaxPrefilter( s , options ).ajaxTransport( s );
+ // Apply prefilters
+ jQuery.ajaxPrefilter( s , options );
// 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 ) {
-
- done( 0 , "transport not found" );
- jXHR = false;
+ // More options handling for requests with no content
+ if ( ! s.hasContent ) {
- } else {
+ // If data is available, append data to url
+ if ( s.data ) {
+ s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.data;
+ }
- // More options handling for requests with no content
- if ( ! s.hasContent ) {
+ // Add anti-cache in url if needed
+ if ( s.cache === false ) {
- // If data is available, append data to url
- if ( s.data ) {
- s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.data;
- }
+ var ts = jQuery.now(),
+ // try replacing _= if it is there
+ ret = s.url.replace( rts , "$1_=" + ts );
- // 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 ];
+ }
- // 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[ "*" ];
+ // Allow custom headers/mimetypes and early abort
+ if ( s.beforeSend && ( s.beforeSend.call( callbackContext , jXHR , s ) === false || state === 2 ) ) {
- // Check for headers option
- for ( i in s.headers ) {
- requestHeaders[ i.toLowerCase() ] = s.headers[ i ];
+ // Abort if not done already
+ done( 0 , "abort" );
+
+ // Return false
+ jXHR = false;
+
+ } else {
+
+ // 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 );
- // Abort if not done already
- done( 0 , "abort" );
- jXHR = false;
+ // If no transport, we auto-abort
+ if ( ! transport ) {
+
+ 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 ) {
return "jsonp" + jsc++;
}
-// Normalize jsonp queries
-// 1) put callback parameter in url or data
-// 2) sneakily ensure transportDataType is always jsonp for jsonp requests
+// Detect, normalize options and install callbacks for jsonp requests
}).ajaxPrefilter("json jsonp", function(s, originalSettings) {
if ( s.dataTypes[ 0 ] === "jsonp" ||
jsre.test(s.url) ||
typeof(s.data) === "string" && jsre.test(s.data) ) {
- var jsonpCallback = s.jsonpCallback =
+ var responseContainer,
+ jsonpCallback = s.jsonpCallback =
jQuery.isFunction( s.jsonpCallback ) ? s.jsonpCallback() : s.jsonpCallback,
+ previous = window[ jsonpCallback ],
url = s.url.replace(jsre, "$1" + jsonpCallback + "$2"),
data = s.url === url && typeof(s.data) === "string" ? s.data.replace(jsre, "$1" + jsonpCallback + "$2") : s.data;
s.url = url;
s.data = data;
- s.dataTypes[ 0 ] = "jsonp";
- }
-
-// Bind transport to jsonp dataType
-}).ajaxTransport("jsonp", function(s) {
- // Put callback in place
- var responseContainer,
- jsonpCallback = s.jsonpCallback,
- previous = window[ jsonpCallback ];
+ window [ jsonpCallback ] = function( response ) {
+ responseContainer = [response];
+ };
- window [ jsonpCallback ] = function( response ) {
- responseContainer = [response];
- };
+ s.complete = [function() {
- s.complete = [function() {
+ // Set callback back to previous value
+ window[ jsonpCallback ] = previous;
- // Set callback back to previous value
- window[ jsonpCallback ] = previous;
-
- // Call if it was a function and we have a response
- if ( previous) {
- if ( responseContainer && jQuery.isFunction ( previous ) ) {
- window[ jsonpCallback ] ( responseContainer[0] );
+ // Call if it was a function and we have a response
+ if ( previous) {
+ if ( responseContainer && jQuery.isFunction ( previous ) ) {
+ window[ jsonpCallback ] ( responseContainer[0] );
+ }
+ } else {
+ // else, more memory leak avoidance
+ try{ delete window[ jsonpCallback ]; } catch(e){}
}
- } else {
- // else, more memory leak avoidance
- try{ delete window[ jsonpCallback ]; } catch(e){}
- }
- }, s.complete ];
+ }, s.complete ];
- // Sneakily ensure this will be handled as json
- s.dataTypes[ 0 ] = "json";
+ // Use data converter to retrieve json after script execution
+ s.converters["script json"] = function() {
+ if ( ! responseContainer ) {
+ jQuery.error( jsonpCallback + " was not called" );
+ }
+ return responseContainer[ 0 ];
+ };
- // Use data converter to retrieve json after script execution
- s.converters["script json"] = function() {
- if ( ! responseContainer ) {
- jQuery.error( jsonpCallback + " was not called" );
- }
- return responseContainer[ 0 ];
- };
+ // force json dataType
+ s.dataTypes[ 0 ] = "json";
- // Delegate to script transport
- return "script";
+ // Delegate to script
+ return "script";
+ }
});
})( jQuery );
git.asbjorn.biz / jquery.git / commitdiff