Oh *sigh* - mind the line breaks. Ian
On Mon, Jun 22, 2009 at 6:25 PM, Ian Thomas<[email protected]> wrote: > Hi Jason, > Stepping through it, it works when you break that long line of E4X > into separate components. > > (For some reason people seem to want to write really long E4X > statements - I'm not quite sure why...) > > Like this, your loop works. > > for each (var contentRowItem:XML in _contentXML..row) > { > var moduleName:String = contentRowItem.Module; > var topicXML:XML = new XML("<topic />"); > topicx...@title = contentRowItem.LinkTitle; > // This e4x creates an XMLList, so pull off the first entry > var module:XML=finalXML.module.(@title == moduleName)[0]; > // Likewise > var > topics:XML=module..subsection.(@title==contentRowItem.Subsection).topics[0]; > topics.appendChild(topicXML); > } > > However - I'd include a bit of error checking for those XMLLists... > > for each (var contentRowItem:XML in _contentXML..row) > { > var moduleName:String = contentRowItem.Module; > var topicXML:XML = new XML("<topic />"); > topicx...@title = contentRowItem.LinkTitle; > var modulesList:XMLList=finalXML.module.(@title == moduleName); > if (modulesList.length()!=1) > throw new Error("Can't find single module with title:"+moduleName); > > var topicsList:XMLList= > modulesList[0]..subsection.(@title==contentRowItem.Subsection).topics; > if (topicsList.length()!=1) > throw new Error("Can't find single subsection with > title:"+contentRowItem.Subsection); > > topicsList[0].appendChild(topicXML); > } > > My general approach to this type of stuff is: break it down. Store and > trace out each part of your e4x statement in a separate variable, bit > by bit. That'll show you where it's going wrong. > > HTH, > Ian > > On Mon, Jun 22, 2009 at 5:54 PM, Merrill, > Jason<[email protected]> wrote: >> >> >> Been wrestling with a script that transforms some XML from one schema to >> another for a while, and have most of the transformation working, but having >> a hard time wrapping my head around the last little bit. Probably easy for >> some E4X XML gurus out there. The original XML (built automatically by the >> sever-side app) is fairly flat and looks like this: >> >> (_contentXML) >> >> <xml> >> >> <rows> >> >> >> >> <row> >> >> <ID>1</ID> >> >> <Module>iBuild</Module> >> >> <Subsection>Assumptions</Subsection> >> >> <Topic>Starting iRequire</Topic> >> >> <Overview>To start iRequire, you will first need to do a few things, >> like create a user name and password.</Overview> >> >> <Author>Sanders, Larry</Author> >> >> …etc. >> >> </row> >> >> >> >> <row> >> >> <ID>2</ID> >> >> <Module>iDeliver</Module> >> >> <Subsection>Technical Constraints</Subsection> >> >> …etc. >> >> What I need to do, is take it from that “flat” form, and based on the values >> of some of the nodes (<Module>,<Subsection>, and <Topic> values), make new >> more hierarchical XML that is based on the Module, Subsection, and Topic >> values in the XML, so that it looks like this: >> >> <xml> >> >> <modules> >> >> <module title="iPlan" orderID="5"> >> >> <subsections> >> >> <subsection title="Assumptions"> >> >> <topics> >> >> <topic title=”Starting >> iRequire”> >> >> <overview> >> >> To start >> iRequire, you will first need to do a… >> >> </overview> >> >> <author>Sanders, Larry</author> >> >> </topics> >> >> <subsection title="Project Information"/> >> >> </subsections> >> >> </module> >> >> <module title=”iDeliver” orderID=”6”> >> >> <subsections> >> >> <subsection title="Assumptions"/> >> >> ..etc. >> >> I have it assembled this far, where the module nodes are created just fine, >> and the subsections are appearing under the right module with the right >> title attribute: >> >> (finalXML) >> >> <xml> >> >> <modules> >> >> <module title="iPlan" orderID="5"> >> >> <subsections> >> >> <subsection title="Assumptions"> >> >> <topics /> >> >> </subsection> >> >> <subsection title="Project Information"> >> >> <topics /> >> >> </subsection> >> >> </subsections> >> >> </module> >> >> <module title=”iDeliver” orderID=”6”> >> >> <subsections> >> >> <subsection title="Assumptions"> >> >> <topics /> >> >> </subsection> >> >> <subsection title="Technical Constraints"> >> >> <topics /> >> >> </subsection> >> >> <subsection title="Design Phase Documents"> >> >> <topics /> >> >> </subsection> >> >> <subsection title="Implementation Phase Documents"> >> >> <topics /> >> >> </subsection> >> >> </subsections> >> >> </module> >> >> …etc. >> >> But what I can’t seem to get is that last part of how to insert the right >> topic data under each <topics> node (Overview, ID, Author, etc). I’d be >> happy enough just inserting the entire original <row> node into the right >> <topic> node. My current attempt looks like this: >> >> (finalXML is my “new“ XML and _contentXML is the original XML) >> >> for each (var contentRowItem:XML in _contentXML..row) >> >> { >> >> var moduleName:String = contentRowItem.Module; >> >> var topicXML:XML = new XML(<topic />); >> >> topicx...@title = contentRowItem.LinkTitle; >> >> finalXML..module.(@title == moduleName)..subsection.(@title == >> contentRowItem.Subsection).topics.appendChild(topicXML) >> >> } >> >> But with this approach, I get the error, “TypeError: Error #1086: The >> appendChild method only works on lists containing one item.” I’ve also tried >> some forms of theNode.setChildren and so many ways to loop my head is >> spinning. Any ideas? >> >> Really, my question just boils down to inserting all the right oringal >> <row/> node(s) from the original XML as children into the new <topics/> node >> of the new finalXML based on the Module, Subsection, and LinkTitle values >> from the original <row> node. >> >> >> >> Any help is GREATLY appreciated! >> >> Jason Merrill >> >> Bank of America Global Learning >> >> Shared Services Solutions Development >> >> Monthly meetings on the Adobe Flash platform for rich media experiences - >> join the Bank of America Flash Platform Community >> >> > ------------------------------------ -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Alternative FAQ location: https://share.acrobat.com/adc/document.do?docid=942dbdc8-e469-446f-b4cf-1e62079f6847 Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.comYahoo! 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