[Qt-qml] Error querying root item of XmlListModel

[bea.lam at nokia.com]

Actually, the more relevant task here is probably https://bugreports.qt.nokia.com/browse/QTBUG-13688, "Support lists of lists in XmlListModel".

On 18/10/2011, at 6:32 PM, ext bea.lam at nokia.com wrote:

> On 18/10/2011, at 1:25 AM, ext Girish Ramakrishnan wrote:
> 
>> Hi,
>> Someone on irc was having trouble with the XmlListModel and I was
>> trying to help him/her out. I don't know xquery/xpath well enough to
>> know if this is a problem with my example or xmlpatterns. So, I
>> reduced the problem to this: http://pastebin.com/Gdmc2Gzq works but
>> http://pastebin.com/pMnvFYQQ doesn't. Basically, if I query anything
>> directly under the root element, XmlListModel just reports an error.
>> Querying any level one below the root element, it works fine.
> 
> 
> To confirm, this is because this XML data in http://pastebin.com/pMnvFYQQ has multiple "Category" objects:
> 
> <?xml version="1.0" encoding="utf-8"?>
> <MediaList>
>    <Category name="name1">Something here</Category>
>    <Category name="name2">Something there</Category>
> </MediaList> 
> 
> 
> Since there are multiple query items, it doesn't know which one to fetch. The query should be "Category[1]/@name/string()" to fetch the exact index, or it should use a model that puts the query at "MediaList/Category" instead. 
> 
> Related to this is https://bugreports.qt.nokia.com/browse/QTBUG-12953 which suggests being able to create an XmlObject to cater for list objects.
> 
> 
> regards,
> 
> Bea
> 
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