aharui commented on issue #562: Tree component in Royale can not render with a kind of XML data, which is working with Flex URL: https://github.com/apache/royale-asjs/issues/562#issuecomment-554822616 There is some interesting Flex compiler behavior. Here is the test case I put together: ``` <mx:Application xmlns:fx="http://ns.adobe.com/mxml/2009"; xmlns:mx="library://ns.adobe.com/flex/mx" applicationComplete="runTest()"> <fx:Script> <![CDATA[ private function runTest():void { trace("fxxmlList: " + fxxmlList.length()); trace("fxxmlList2: " + fxxmlList2.length()); //trace("fxxmlList3: " + fxxmlList3.length()); trace("xmlList: " + xmlList.length()); trace("xmlList2: " + xmlList2.length()); trace("xmlList3: " + xmlList3.length()); //trace("xmlList4: " + xmlList4.length()); trace("xmlList5: " + xmlList5.length()); //trace("xmlList6: " + xmlList6.length()); } // String with one top node private var xmlList:XMLList = new XMLList( '<node label="Mail Box">' + '<node label="Inbox">' + '<node label="Marketing"/>' + '<node label="Product Management"/>' + '<node label="Personal"/>' + '</node>' + '<node label="Outbox">' + '<node label="Professional"/>' + '<node label="Personal"/>' + '</node>' + '<node label="Spam"/>' + '<node label="Sent"/>' + '</node>'); // String with XMLListLiteral as one top node private var xmlList2:XMLList = new XMLList( '<>' + '<node label="Inbox">' + '<node label="Marketing"/>' + '<node label="Product Management"/>' + '<node label="Personal"/>' + '</node>' + '<node label="Outbox">' + '<node label="Professional"/>' + '<node label="Personal"/>' + '</node>' + '<node label="Spam"/>' + '<node label="Sent"/>' + '</>'); // String with no top node private var xmlList3:XMLList = new XMLList( '<node label="Inbox">' + '<node label="Marketing"/>' + '<node label="Product Management"/>' + '<node label="Personal"/>' + '</node>' + '<node label="Outbox">' + '<node label="Professional"/>' + '<node label="Personal"/>' + '</node>' + '<node label="Spam"/>' + '<node label="Sent"/>'); /* single node is XML (not XMLList) so Flex compiler says no. // XMLLiteral (one top node) private var xmlList4:XMLList = <node label="Mail Box"> <node label="Inbox"> <node label="Marketing"/> <node label="Product Management"/> <node label="Personal"/> </node> <node label="Outbox"> <node label="Professional"/> <node label="Personal"/> </node> <node label="Spam"/> <node label="Sent"/> </node>; */ // XMLListLiteral as one top node private var xmlList5:XMLList = <> <node label="Inbox"> <node label="Marketing"/> <node label="Product Management"/> <node label="Personal"/> </node> <node label="Outbox"> <node label="Professional"/> <node label="Personal"/> </node> <node label="Spam"/> <node label="Sent"/> </>; /* Flex compiler outputs errors about the Outbox and following nodes // XML nodes but no top node private var xmlList6:XMLList = <node label="Inbox"> <node label="Marketing"/> <node label="Product Management"/> <node label="Personal"/> </node> <node label="Outbox"> <node label="Professional"/> <node label="Personal"/> </node> <node label="Spam"/> <node label="Sent"/> */ ]]> </fx:Script> <fx:Declarations> <!-- one top node --> <fx:XMLList id="fxxmlList"> <node label="Mail Box"> <node label="Inbox"> <node label="Marketing"/> <node label="Product Management"/> <node label="Personal"/> </node> <node label="Outbox"> <node label="Professional"/> <node label="Personal"/> </node> <node label="Spam"/> <node label="Sent"/> </node> </fx:XMLList> <!-- no top node --> <fx:XMLList id="fxxmlList2"> <node label="Inbox"> <node label="Marketing"/> <node label="Product Management"/> <node label="Personal"/> </node> <node label="Outbox"> <node label="Professional"/> <node label="Personal"/> </node> <node label="Spam"/> <node label="Sent"/> </fx:XMLList> <!-- XMLLListLiteral as one top node Flex compiler says that CDATA is not allowed, so no way to use XMLListLiteral in fx:XMLList <fx:XMLList id="fxxmlList3"><![CDATA[ <> <node label="Inbox"> <node label="Marketing"/> <node label="Product Management"/> <node label="Personal"/> </node> <node label="Outbox"> <node label="Professional"/> <node label="Personal"/> </node> <node label="Spam"/> <node label="Sent"/> </> ]]> </fx:XMLList> --> <!-- Flex compiler says to use the CDATA like in fxxmlList3 <fx:XMLList id="fxxmlList4"> <> <node label="Inbox"> <node label="Marketing"/> <node label="Product Management"/> <node label="Personal"/> </node> <node label="Outbox"> <node label="Professional"/> <node label="Personal"/> </node> <node label="Spam"/> <node label="Sent"/> </> </fx:XMLList> --> </fx:Declarations> <mx:Label text="XMLList Test" /> </mx:Application> ``` The output is: ``` [trace] fxxmlList: 1 [trace] fxxmlList2: 4 [trace] xmlList: 1 [trace] xmlList2: 4 [trace] xmlList3: 4 [trace] xmlList5: 4 ``` The most interesting results for me are: * in fx:XMLList, you can't use XMLListLiterals but you must use them in AS. * in XMLList String conversion, the XMLListLiteral is essentially ignored and whatever else remains is the list. We will adjust Royale to match this behavior.
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