The e4XParser I speak of is at: http://www.adobe.com/devnet/flex/articles/e4x_04.html
--- In flexcoders@yahoogroups.com, "Jim Hayes" <[EMAIL PROTECTED]> wrote: > > >I've already included some > >dynamic e4x expression parsers that I found on the web > > Tod, > > do you have the urls for those to hand? and would you care to share them? > Sorry to be so lazy, but I use e4x occasionally enough for the syntax to generally escape me when I have to. > Hence anything I can bookmark for the next time I need a bit of help with it would be most useful to me (and others?) > > many thanks, > > Jim. > > > -----Original Message----- > From: flexcoders@yahoogroups.com on behalf of Todd > Sent: Wed 16/01/2008 22:51 > To: flexcoders@yahoogroups.com > Subject: [flexcoders] E4X Namespace Issues... > > I'm sure this will have an obvious answer and that it's something that > I've just been looking at for too long... > > I'm trying to select a node from xml where a child has a specific value > For example: > var xml:XML = > <communication xmlns="stuffHERE"> > <folder> > <id>1</id> > <folder> > <id>2</id> > </folder> > <folder> > <id>3</id> > <folder> > <id>4</id> > </folder> > </folder> > </folder> > > In the above, I'm using an e4x expression that looks like: > xml..folder.(id == 3) > > All works well when I don't have a namespace declared. > When I have a name space declared, I keep getting nothing back. > I'm using the actionscript object: namespace test="http..." > use namespace test > > Any ideas on what I'm doing wrong? BTW, I've tried many, many > different e4x expressions, none that work. > > Also, any techniques for debugging e4x? I've already included some > dynamic e4x expression parsers that I found on the web. But I find > that while I can get the expression to work fine dynamically, it still > doesn't work. > > I've posted this over in teh Adobe Forums, too, as I'm not really sure > which place is the best place to go for help. > > Thanks a bunch > > Here's my test MXML file, sorry for how ugly it looks in this window., > I"m hoping you can just copy this and paste it into a new MXML file > for you to look at...: > > > <?xml version="1.0" encoding="utf-8"?> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; > layout="horizontal"> > <mx:Script> > <![CDATA[ > import mx.logging.targets.TraceTarget; > import com.theriabook.util.logging.TraceLogOutput; > private var comm:XML = > <CommunicationHierarchy > xmlns="http://www.directTestmarketing.com/ws/schemas/communicationHierarchyService";> > <folder> > <id>13</id> > <recordType>FOLDER</recordType> > <iconId>icon id</iconId> > <label>label</label> > <shortDescription>short description</shortDescription> > <description>Folder 21 description</description> > <externalId>1</externalId> > <template> > <id>21</id> > <recordType>TEMPLATE</recordType> > <iconId>icon id</iconId> > <label>label</label> > <shortDescription>short description</shortDescription> > <description>Template 22 description</description> > <externalId>1</externalId> > </template> > <folder> > <id>14</id> > <recordType>FOLDER</recordType> > <iconId>icon id</iconId> > <label>label</label> > <shortDescription>short description</shortDescription> > <description>Folder 31 description</description> > <externalId>1</externalId> > <link> > <id>13</id> > <recordType>TEMPLATE</recordType> > <iconId>icon id</iconId> > <label>link label</label> > <url>link url</url> > <shortDescription>short description</shortDescription> > <description>description of link - 14</description> > </link> > </folder> > <folder> > <id>15</id> > <recordType>FOLDER</recordType> > <iconId>icon id</iconId> > <label>label</label> > <shortDescription>short description</shortDescription> > <description>Folder 36 description</description> > <externalId>1</externalId> > <link> > <id>15</id> > <recordType>TEMPLATE</recordType> > <iconId>icon id</iconId> > <label>link label</label> > <url>link url</url> > <shortDescription>short description</shortDescription> > <description>description of link - 16</description> > </link> > </folder> > <link> > <id>8</id> > <recordType>TEMPLATE</recordType> > <iconId>icon id</iconId> > <label>link label</label> > <url>link url</url> > <shortDescription>short description</shortDescription> > <description>description of link - 9</description> > </link> > <link> > <id>12</id> > <recordType>TEMPLATE</recordType> > <iconId>icon id</iconId> > <label>link label</label> > <url>link url</url> > <shortDescription>short description</shortDescription> > <description>description of link - 13</description> > </link> > </folder> > <template> > <id>44</id> > <recordType>TEMPLATE</recordType> > <iconId>icon id</iconId> > <label>label</label> > <shortDescription>short description</shortDescription> > <description>Template 45 description</description> > <externalId>1</externalId> > </template> > <template> > <id>45</id> > <recordType>TEMPLATE</recordType> > <iconId>icon id</iconId> > <label>label</label> > <shortDescription>short description</shortDescription> > <description>Template 46 description</description> > <externalId>1</externalId> > </template> > </CommunicationHierarchy> > > private namespace directTest = > "http://www.directTestmarketing.com/ws/schemas/communicationHierarchyService";; > use namespace directTest; > > public var directTest2:Namespace = new > Namespace("http://www.directTestmarketing.com/ws/schemas/communicationHierarchyService";); > > private function onGoClick(e:MouseEvent):void > { > > use namespace directTest; > var xml:XML = new XML(inputXML.text); > > // All these filters didn't work: > // new XMLList(xml..folder.(id ==13)); > // new XMLList(xml..folder.("id" =="13")); > // > // > // > // > // > // These Worked: > // new XMLList(xml.folder[0]) > // new XMLList(xml..folder.(id == > 13)); > // new > XMLList(xml.descendants("folder").(id == 13)); > // > > //var filterdXML:XMLList = new > XMLList(directTest2::folder.(id == > 13)); > var filterdXML:XMLList = new > XMLList(xml.descendants("folder").(id > == 13)); > outputXML.text = filterdXML.toXMLString(); > } > > ]]> > </mx:Script> > <mx:TraceTarget level="0" /> > <mx:TextArea id="inputXML" width="100%" height="100%" > text="{comm.toXMLString()}"/> > <mx:Button id="go" click="onGoClick(event)" /> > <mx:TextArea id="outputXML" width="100%" height="100%" /> > > > </mx:Application> > > > > > ______________________________________________________________________ > This communication is from Primal Pictures Ltd., a company registered in England and Wales with registration No. 02622298 and registered office: 4th Floor, Tennyson House, 159-165 Great Portland Street, London, W1W 5PA, UK. 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