X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=3763cd0fe300ec3826fc140d1834de75110298c5;hb=5237b09602d5e360da361823748b0f34861b5a9a;hp=39d49743c0c9436c35834c730c70c39487ed3db1;hpb=56628c7adffb4b5436257255f55e31b85b58aa8f;p=jquery.git diff --git a/src/core.js b/src/core.js index 39d4974..3763cd0 100644 --- a/src/core.js +++ b/src/core.js @@ -546,6 +546,28 @@ jQuery.extend({ jQuery.error( "Invalid JSON: " + data ); } }, + + // Cross-browser xml parsing + // (xml & tmp used internally) + parseXML: function( data , xml , tmp ) { + + if ( window.DOMParser ) { // Standard + tmp = new DOMParser(); + xml = tmp.parseFromString( data , "text/xml" ); + } else { // IE + xml = new ActiveXObject( "Microsoft.XMLDOM" ); + xml.async = "false"; + xml.loadXML( data ); + } + + tmp = xml.documentElement; + + if ( ! tmp || ! tmp.nodeName || tmp.nodeName === "parsererror" ) { + jQuery.error( "Invalid XML: " + data ); + } + + return xml; + }, noop: function() {}, @@ -783,10 +805,7 @@ jQuery.extend({ }, // Create a simple deferred (one callbacks list) - _deferred: function( cancellable ) { - - // cancellable by default - cancellable = cancellable !== false; + _Deferred: function() { var // callbacks list callbacks = [], @@ -800,10 +819,10 @@ jQuery.extend({ deferred = { // then( f1, f2, ...) - then: function then() { + then: function () { if ( ! cancelled ) { - + var args = arguments, i, length, @@ -820,7 +839,7 @@ jQuery.extend({ elem = args[ i ]; type = jQuery.type( elem ); if ( type === "array" ) { - then.apply( this , elem ); + deferred.then.apply( deferred , elem ); } else if ( type === "function" ) { callbacks.push( elem ); } @@ -830,24 +849,23 @@ jQuery.extend({ deferred.fire( _fired[ 0 ] , _fired[ 1 ] ); } } + return this; }, // resolve with given context and args - // (i is used internally) - fire: function( context , args , i ) { + fire: function( context , args ) { if ( ! cancelled && ! fired && ! firing ) { + firing = 1; + try { - for( i = 0 ; ! cancelled && callbacks[ i ] ; i++ ) { - cancelled = ( callbacks[ i ].apply( context , args ) === false ) && cancellable; + while( callbacks[ 0 ] ) { + callbacks.shift().apply( context , args ); } - } catch( e ) { - cancelled = cancellable; - jQuery.error( e ); - } finally { + } + finally { fired = [ context , args ]; - callbacks = cancelled ? [] : callbacks.slice( i + 1 ); firing = 0; } } @@ -860,15 +878,22 @@ jQuery.extend({ return this; }, - // cancelling further callbacks + // Has this deferred been resolved? + isResolved: function() { + return !!( firing || fired ); + }, + + // Cancel cancel: function() { - if ( cancellable ) { - callbacks = []; - cancelled = 1; - } + cancelled = 1; + callbacks = []; return this; - } + }, + // Has this deferred been cancelled? + isCancelled: function() { + return !!cancelled; + } }; // Add the deferred marker @@ -879,21 +904,11 @@ jQuery.extend({ // Full fledged deferred (two callbacks list) // Typical success/error system - deferred: function( func , cancellable ) { - - // Handle varargs - if ( arguments.length === 1 ) { - - if ( typeof func === "boolean" ) { - cancellable = func; - func = 0; - } - } + Deferred: function( func ) { - var errorDeferred = jQuery._deferred( cancellable ), - deferred = jQuery._deferred( cancellable ), - // Keep reference of the cancel method since we'll redefine it - cancelThen = deferred.cancel; + var errorDeferred = jQuery._Deferred(), + deferred = jQuery._Deferred(), + successCancel = deferred.cancel; // Add errorDeferred methods and redefine cancel jQuery.extend( deferred , { @@ -901,16 +916,16 @@ jQuery.extend({ fail: errorDeferred.then, fireReject: errorDeferred.fire, reject: errorDeferred.resolve, - cancel: function() { - cancelThen(); - errorDeferred.cancel(); - return this; - } + isRejected: errorDeferred.isResolved } ); + // Remove cancel related + delete deferred.cancel; + delete deferred.isCancelled; + // Make sure only one callback list will be used - deferred.then( errorDeferred.cancel ).fail( cancelThen ); + deferred.then( errorDeferred.cancel ).fail( successCancel ); // Call given func if any if ( func ) { @@ -921,20 +936,15 @@ jQuery.extend({ }, // Check if an object is a deferred - isDeferred: function( object , method ) { - method = method || "then"; - return !!( object && object[ method ] && object[ method ]._ === deferredMarker ); + isDeferred: function( object ) { + return !!( object && object.then && object.then._ === deferredMarker ); }, // Deferred helper - when: function( object , method ) { - method = method || "then"; - object = jQuery.isDeferred( object , method ) ? + when: function( object ) { + object = jQuery.isDeferred( object ) ? object : - jQuery.deferred().resolve( object ); - object.fail = object.fail || function() { return this; }; - object[ method ] = object[ method ] || object.then; - object.then = object.then || object[ method ]; + jQuery.Deferred().resolve( object ); return object; }, @@ -957,7 +967,7 @@ jQuery.extend({ // Create readyList deferred // also force $.fn.ready to be recognized as a defer -readyList = jQuery._deferred( false ); +readyList = jQuery._Deferred(); jQuery.fn.ready._ = deferredMarker; // Populate the class2type map