[Gambas-user] Problem reading attributes from XML file

[Markus Schatten]

Thanks a lot Lee! I've just reinstalled my Gambas and now it works
again! Still, I have no idea what happened to the xml component..

All the best,

M.
--
Markus Schatten, PhD
Assistant professor and head of Artificial Intelligence Lab
University of Zagreb
Faculty of Organization and Informatics
Pavlinska 2, 42000 Varazdin, Croatia
http://www.foi.hr/nastavnici/schatten.markus/index.html
http://www.researchgate.net/profile/Markus_Schatten1
http://ai.foi.hr


On Sat, Feb 27, 2016 at 11:38 PM, T Lee Davidson
<t.lee.davidson at ...626...> wrote:
> Hi Markus,
>
> I created a quick command-line version with your procedures. It works fine on v3.6.2. I get a collection returned with length of
> one and a value of "http://exist.sourceforge.net/NS/exist".
>
> Perhaps something has happened to your gb.xml component?
>
>
> On 02/27/2016 04:35 PM, Markus Schatten wrote:
>> Dear friends,
>>
>> I have a piece of code that was recently working, but for some reason
>> it stopped (using 3.5.4. currently). What I would like to do is simply
>> read out all attributes and their values (if they exists) from an
>> XmlNode. Here is what I do:
>>
>> Public Sub btnLoad_Click()
>>    Dim xml As New XmlDocument
>>    Dim txt As String
>>    Dialog.Filter = ["*.xml", "XML Documents"]
>>    If Dialog.OpenFile() Then Return
>>    txt = File.Load(Dialog.Path)
>>    xml.FromString(txt)
>>    parse(xml.Root)
>> End
>>
>> Public Sub parse(node As XmlNode) As Collection
>>    Dim child As XmlNode
>>    Dim ret As New Collection
>>    If node.Attributes Then
>>      For Each child In node.Attributes
>>        ret["@" & child.Name] = child.Value
>>      Next
>>    Endif
>>    Return ret
>> End
>>
>> The XML file I'm trying to read is:
>>
>> <exist:result xmlns:exist="http://exist.sourceforge.net/NS/exist">
>>      <exist:collection name="/db"
>> created="2016-02-27T19:24:55.787+01:00" owner="SYSTEM" group="dba"
>> permissions="rwxr-xr-x">
>>          <exist:collection name="apps"
>> created="2016-02-27T19:25:36.612+01:00" owner="SYSTEM" group="dba"
>> permissions="rwxr-xr-x"/>
>>          <exist:collection name="system"
>> created="2016-02-27T19:24:55.792+01:00" owner="SYSTEM" group="dba"
>> permissions="rwxr-xr-x"/>
>>      </exist:collection>
>> </exist:result>
>>
>> What happens is that in the parse function on the first entry into the
>> for each loop the app crashes and the following message is displayed
>> in the console:
>>
>> FATAL : tried to create a Gambas object with invalid type.
>>
>> I've lost the few past hours searching for a solution, but the only
>> thing that I found is that the error is thrown in node.cpp from the
>> gb.xml source (e.g. here
>> https://github.com/justlostintime/gambas/blob/master/gb.xml/src/node.cpp).
>>
>> What am I doing wrong? How should I get all attributes from an XmlNode?
>>
>> All the best,
>>
>> M.
>>
>>
>> --
>> Markus Schatten, PhD
>> Assistant professor and head of Artificial Intelligence Lab
>> University of Zagreb
>> Faculty of Organization and Informatics
>> Pavlinska 2, 42000 Varazdin, Croatia
>> http://www.foi.hr/nastavnici/schatten.markus/index.html
>> http://www.researchgate.net/profile/Markus_Schatten1
>> http://ai.foi.hr
>>
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>
> --
> Lee
> __________
>
> "Artificial Intelligence is no match for natural stupidity."
>
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