mirror of
https://github.com/jquery/jquery.git
synced 2024-11-23 02:54:22 +00:00
883 lines
23 KiB
JavaScript
883 lines
23 KiB
JavaScript
var
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// Document location
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ajaxLocParts,
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ajaxLocation,
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rhash = /#.*$/,
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rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
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// #7653, #8125, #8152: local protocol detection
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rlocalProtocol = /^(?:about|app|app\-storage|.+\-extension|file|res|widget):$/,
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rnoContent = /^(?:GET|HEAD)$/,
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rprotocol = /^\/\//,
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rquery = /\?/,
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rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
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rts = /([?&])_=[^&]*/,
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rurl = /^([\w\+\.\-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,
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// Keep a copy of the old load method
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_load = jQuery.fn.load,
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/* Prefilters
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* 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
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* 2) These are called:
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* - BEFORE asking for a transport
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* - AFTER param serialization (s.data is a string if s.processData is true)
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* 3) key is the dataType
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* 4) the catchall symbol "*" can be used
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* 5) execution will start with transport dataType and THEN continue down to "*" if needed
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*/
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prefilters = {},
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/* Transports bindings
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* 1) key is the dataType
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* 2) the catchall symbol "*" can be used
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* 3) selection will start with transport dataType and THEN go to "*" if needed
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*/
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transports = {},
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// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
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allTypes = ["*/"] + ["*"];
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// #8138, IE may throw an exception when accessing
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// a field from window.location if document.domain has been set
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try {
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ajaxLocation = location.href;
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} catch( e ) {
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// Use the href attribute of an A element
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// since IE will modify it given document.location
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ajaxLocation = document.createElement( "a" );
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ajaxLocation.href = "";
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ajaxLocation = ajaxLocation.href;
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}
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// Segment location into parts
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ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
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// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
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function addToPrefiltersOrTransports( structure ) {
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// dataTypeExpression is optional and defaults to "*"
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return function( dataTypeExpression, func ) {
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if ( typeof dataTypeExpression !== "string" ) {
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func = dataTypeExpression;
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dataTypeExpression = "*";
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}
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var dataType, list, placeBefore,
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dataTypes = dataTypeExpression.toLowerCase().split( core_rspace ),
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i = 0,
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length = dataTypes.length;
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if ( jQuery.isFunction( func ) ) {
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// For each dataType in the dataTypeExpression
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for ( ; i < length; i++ ) {
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dataType = dataTypes[ i ];
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// We control if we're asked to add before
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// any existing element
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placeBefore = /^\+/.test( dataType );
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if ( placeBefore ) {
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dataType = dataType.substr( 1 ) || "*";
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}
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list = structure[ dataType ] = structure[ dataType ] || [];
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// then we add to the structure accordingly
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list[ placeBefore ? "unshift" : "push" ]( func );
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}
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}
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};
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}
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// Base inspection function for prefilters and transports
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function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR,
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dataType /* internal */, inspected /* internal */ ) {
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dataType = dataType || options.dataTypes[ 0 ];
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inspected = inspected || {};
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inspected[ dataType ] = true;
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var selection,
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list = structure[ dataType ],
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i = 0,
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length = list ? list.length : 0,
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executeOnly = ( structure === prefilters );
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for ( ; i < length && ( executeOnly || !selection ); i++ ) {
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selection = list[ i ]( options, originalOptions, jqXHR );
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// If we got redirected to another dataType
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// we try there if executing only and not done already
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if ( typeof selection === "string" ) {
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if ( !executeOnly || inspected[ selection ] ) {
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selection = undefined;
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} else {
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options.dataTypes.unshift( selection );
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selection = inspectPrefiltersOrTransports(
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structure, options, originalOptions, jqXHR, selection, inspected );
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}
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}
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}
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// If we're only executing or nothing was selected
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// we try the catchall dataType if not done already
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if ( ( executeOnly || !selection ) && !inspected[ "*" ] ) {
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selection = inspectPrefiltersOrTransports(
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structure, options, originalOptions, jqXHR, "*", inspected );
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}
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// unnecessary when only executing (prefilters)
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// but it'll be ignored by the caller in that case
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return selection;
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}
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// A special extend for ajax options
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// that takes "flat" options (not to be deep extended)
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// Fixes #9887
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function ajaxExtend( target, src ) {
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var key, deep,
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flatOptions = jQuery.ajaxSettings.flatOptions || {};
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for ( key in src ) {
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if ( src[ key ] !== undefined ) {
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( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
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}
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}
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if ( deep ) {
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jQuery.extend( true, target, deep );
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}
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}
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jQuery.fn.load = function( url, params, callback ) {
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if ( typeof url !== "string" && _load ) {
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return _load.apply( this, arguments );
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}
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// Don't do a request if no elements are being requested
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if ( !this.length ) {
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return this;
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}
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var selector, type, response,
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self = this,
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off = url.indexOf(" ");
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if ( off >= 0 ) {
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selector = url.slice( off, url.length );
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url = url.slice( 0, off );
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}
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// If it's a function
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if ( jQuery.isFunction( params ) ) {
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// We assume that it's the callback
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callback = params;
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params = undefined;
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// Otherwise, build a param string
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} else if ( params && typeof params === "object" ) {
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type = "POST";
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}
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// Request the remote document
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jQuery.ajax({
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url: url,
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// if "type" variable is undefined, then "GET" method will be used
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type: type,
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dataType: "html",
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data: params,
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complete: function( jqXHR, status ) {
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if ( callback ) {
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self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
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}
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}
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}).done(function( responseText ) {
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// Save response for use in complete callback
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response = arguments;
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// See if a selector was specified
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self.html( selector ?
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// Create a dummy div to hold the results
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jQuery("<div>")
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// inject the contents of the document in, removing the scripts
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// to avoid any 'Permission Denied' errors in IE
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.append( responseText.replace( rscript, "" ) )
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// Locate the specified elements
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.find( selector ) :
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// If not, just inject the full result
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responseText );
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});
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return this;
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};
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// Attach a bunch of functions for handling common AJAX events
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jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split( " " ), function( i, o ){
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jQuery.fn[ o ] = function( f ){
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return this.on( o, f );
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};
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});
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jQuery.each( [ "get", "post" ], function( i, method ) {
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jQuery[ method ] = function( url, data, callback, type ) {
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// shift arguments if data argument was omitted
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if ( jQuery.isFunction( data ) ) {
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type = type || callback;
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callback = data;
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data = undefined;
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}
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return jQuery.ajax({
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type: method,
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url: url,
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data: data,
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success: callback,
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dataType: type
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});
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};
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});
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jQuery.extend({
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getScript: function( url, callback ) {
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return jQuery.get( url, undefined, callback, "script" );
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},
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getJSON: function( url, data, callback ) {
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return jQuery.get( url, data, callback, "json" );
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},
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// Creates a full fledged settings object into target
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// with both ajaxSettings and settings fields.
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// If target is omitted, writes into ajaxSettings.
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ajaxSetup: function( target, settings ) {
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if ( settings ) {
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// Building a settings object
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ajaxExtend( target, jQuery.ajaxSettings );
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} else {
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// Extending ajaxSettings
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settings = target;
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target = jQuery.ajaxSettings;
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}
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ajaxExtend( target, settings );
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return target;
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},
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ajaxSettings: {
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url: ajaxLocation,
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isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
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global: true,
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type: "GET",
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contentType: "application/x-www-form-urlencoded; charset=UTF-8",
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processData: true,
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async: true,
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/*
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timeout: 0,
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data: null,
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dataType: null,
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username: null,
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password: null,
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cache: null,
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throws: false,
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traditional: false,
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headers: {},
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*/
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accepts: {
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xml: "application/xml, text/xml",
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html: "text/html",
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text: "text/plain",
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json: "application/json, text/javascript",
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"*": allTypes
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},
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contents: {
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xml: /xml/,
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html: /html/,
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json: /json/
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},
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responseFields: {
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xml: "responseXML",
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text: "responseText"
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},
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// List of data converters
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// 1) key format is "source_type destination_type" (a single space in-between)
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// 2) the catchall symbol "*" can be used for source_type
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converters: {
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// Convert anything to text
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"* text": window.String,
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// Text to html (true = no transformation)
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"text html": true,
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// Evaluate text as a json expression
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"text json": jQuery.parseJSON,
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// Parse text as xml
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"text xml": jQuery.parseXML
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},
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// For options that shouldn't be deep extended:
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// you can add your own custom options here if
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// and when you create one that shouldn't be
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// deep extended (see ajaxExtend)
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flatOptions: {
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context: true,
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url: true
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}
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},
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ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
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ajaxTransport: addToPrefiltersOrTransports( transports ),
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// Main method
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ajax: function( url, options ) {
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// If url is an object, simulate pre-1.5 signature
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if ( typeof url === "object" ) {
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options = url;
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url = undefined;
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}
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// Force options to be an object
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options = options || {};
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var // ifModified key
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ifModifiedKey,
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// Response headers
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responseHeadersString,
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responseHeaders,
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// transport
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transport,
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// timeout handle
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timeoutTimer,
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// Cross-domain detection vars
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parts,
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// To know if global events are to be dispatched
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fireGlobals,
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// Loop variable
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i,
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// Create the final options object
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s = jQuery.ajaxSetup( {}, options ),
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// Callbacks context
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callbackContext = s.context || s,
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// Context for global events
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// It's the callbackContext if one was provided in the options
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// and if it's a DOM node or a jQuery collection
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globalEventContext = callbackContext !== s &&
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( callbackContext.nodeType || callbackContext instanceof jQuery ) ?
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jQuery( callbackContext ) : jQuery.event,
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// Deferreds
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deferred = jQuery.Deferred(),
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completeDeferred = jQuery.Callbacks( "once memory" ),
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// Status-dependent callbacks
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statusCode = s.statusCode || {},
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// Headers (they are sent all at once)
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requestHeaders = {},
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requestHeadersNames = {},
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// The jqXHR state
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state = 0,
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// Default abort message
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strAbort = "canceled",
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// Fake xhr
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jqXHR = {
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readyState: 0,
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// Caches the header
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setRequestHeader: function( name, value ) {
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if ( !state ) {
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var lname = name.toLowerCase();
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name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
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requestHeaders[ name ] = value;
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}
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return this;
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},
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// Raw string
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getAllResponseHeaders: function() {
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return state === 2 ? responseHeadersString : null;
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},
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// Builds headers hashtable if needed
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getResponseHeader: function( key ) {
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var match;
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if ( state === 2 ) {
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if ( !responseHeaders ) {
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responseHeaders = {};
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while( ( match = rheaders.exec( responseHeadersString ) ) ) {
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responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
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}
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}
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match = responseHeaders[ key.toLowerCase() ];
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}
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return match === undefined ? null : match;
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},
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// Overrides response content-type header
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overrideMimeType: function( type ) {
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if ( !state ) {
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s.mimeType = type;
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}
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return this;
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},
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// Cancel the request
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abort: function( statusText ) {
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statusText = statusText || strAbort;
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if ( transport ) {
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transport.abort( statusText );
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}
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done( 0, statusText );
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return this;
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}
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};
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// Callback for when everything is done
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// It is defined here because jslint complains if it is declared
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// at the end of the function (which would be more logical and readable)
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function done( status, nativeStatusText, responses, headers ) {
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var isSuccess, success, error, response, modified,
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statusText = nativeStatusText;
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// Called once
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if ( state === 2 ) {
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return;
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}
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// State is "done" now
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state = 2;
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// Clear timeout if it exists
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if ( timeoutTimer ) {
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clearTimeout( timeoutTimer );
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}
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// Dereference transport for early garbage collection
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// (no matter how long the jqXHR object will be used)
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transport = undefined;
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// Cache response headers
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responseHeadersString = headers || "";
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// Set readyState
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jqXHR.readyState = status > 0 ? 4 : 0;
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// Get response data
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if ( responses ) {
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response = ajaxHandleResponses( s, jqXHR, responses );
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}
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// If successful, handle type chaining
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if ( status >= 200 && status < 300 || status === 304 ) {
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// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
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if ( s.ifModified ) {
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modified = jqXHR.getResponseHeader("Last-Modified");
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if ( modified ) {
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jQuery.lastModified[ ifModifiedKey ] = modified;
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}
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modified = jqXHR.getResponseHeader("Etag");
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if ( modified ) {
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jQuery.etag[ ifModifiedKey ] = modified;
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}
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}
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// If not modified
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if ( status === 304 ) {
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statusText = "notmodified";
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isSuccess = true;
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// If we have data
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} else {
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isSuccess = ajaxConvert( s, response );
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statusText = isSuccess.state;
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success = isSuccess.data;
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error = isSuccess.error;
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isSuccess = !error;
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}
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} else {
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// We extract error from statusText
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// then normalize statusText and status for non-aborts
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error = statusText;
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if ( !statusText || status ) {
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statusText = "error";
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if ( status < 0 ) {
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status = 0;
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}
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}
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}
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// Set data for the fake xhr object
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jqXHR.status = status;
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jqXHR.statusText = ( nativeStatusText || statusText ) + "";
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// Success/Error
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if ( isSuccess ) {
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deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
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} else {
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deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
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}
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// Status-dependent callbacks
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jqXHR.statusCode( statusCode );
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statusCode = undefined;
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if ( fireGlobals ) {
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globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ),
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[ jqXHR, s, isSuccess ? success : error ] );
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}
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// Complete
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completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
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if ( fireGlobals ) {
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globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
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// Handle the global AJAX counter
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if ( !( --jQuery.active ) ) {
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jQuery.event.trigger( "ajaxStop" );
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}
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}
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}
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// Attach deferreds
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deferred.promise( jqXHR );
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jqXHR.success = jqXHR.done;
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jqXHR.error = jqXHR.fail;
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jqXHR.complete = completeDeferred.add;
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// Status-dependent callbacks
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jqXHR.statusCode = function( map ) {
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if ( map ) {
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var tmp;
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if ( state < 2 ) {
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for ( tmp in map ) {
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statusCode[ tmp ] = [ statusCode[tmp], map[tmp] ];
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}
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} else {
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tmp = map[ jqXHR.status ];
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jqXHR.always( tmp );
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}
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}
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return this;
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};
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// Remove hash character (#7531: and string promotion)
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// Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
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// 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 };
|
|
}
|