[Gambas-user] gb.xml feature request

[adamnt42 at ...626...]

On Tue, 07 Apr 2015 00:01:02 +0200
"Adrien Prokopowicz" <adrien.prokopowicz at ...626...> wrote:

> Le Sun, 05 Apr 2015 04:58:05 +0200, adamnt42 at ...626...  
> <adamnt42 at ...626...> a écrit:
> 
> > @Adrien Prokopowicz ?
> >
> > I ask for an enhancement to XMLNode (and descendants). Currently the  
> > TextContent property returns the concatenated text of the currenode and  
> > all child nodes thereof.  What I want to get is the text of the current  
> > node only, ignoring any child nodes.
> >
> >   Dim sText as String
> >   Dim hElt as XMLElement ' = some node
> >   sText = hElt.GetLocalTextContent()
> >
> > i.e. a new method to return just the local node text.
> >
> > I think this requires modifying the serializer class  
> > GBGetXMLTextContent() method to avoid descending in to the child nodes  
> > but it is far beyond my C++ abilities and the attempts I made are too  
> > embarrassing to reveal. :-(
> >
> > tia
> > bruce
> >
> 
> XML elements do not actually have text. All they have are child nodes,
> that can be XML text nodes (represented by the XmlTextNode class).
> 
> Let's say you have the following XML structure :
> 
> <p>Hello <em>world</em> ! :-)</p>
> |    ^   |     ^      |  ^      |
> |    |   |   XmlText  |  |      |
> | XmlText|=XmlElement=| XmlText |
> |                               |
> |========= XmlElement ==========|
> 
> (XmlText should be XmlTextNode, but it doesn't fit on the diagram)
> 
> By definition (according to the W3C), the TextContent property of
> an XML element contains the text content of all the child nodes
> (and therefore all descendants if some child nodes are elements).
> 
> If I understood correctly, you would like to only retreive the text
> "Hello  ! :-)" in the case of the above structure.
> What you should do is iterating over the element's nodes, and
> retreiving only the text content of the XmlTextNodes, which is easily
> feasible in pure Gambas, like so :
> 
>    Dim hElement As XmlElement '= some element
>    Dim hNode As XmlNode
>    Dim sText As String
> 
>    For Each hNode In hElement.ChildNodes
>      If hNode Is XmlTextNode Then sText &= hNode.TextContent
>    Next
> 
>    Print sText 'Prints : "Hello  ! :-)"
> 
> Regards,
> -- 
> Adrien Prokopowicz
> 

Aaah! Thanks Adrien (doubly)!

First, that is the solution.
Secondly, your example highlighted a condition that I haven't encountered / envisaged.

regards
bruce


-- 
B Bruen <adamnt42 at ...3379... (sort of)>