[fpc-pascal] How to read TDOMNode attributes

[Sven Barth]

On 02.12.2011 21:26, Frank Church wrote:
>
>
> On 2 December 2011 19:45, Mattias Gaertner <nc-gaertnma at netcologne.de
> <mailto:nc-gaertnma at netcologne.de>> wrote:
>
>     On Fri, 2 Dec 2011 19:30:17 +0000
>     Frank Church <vfclists at gmail.com <mailto:vfclists at gmail.com>> wrote:
>
>      > On 2 December 2011 19:09, Mattias Gaertner
>     <nc-gaertnma at netcologne.de <mailto:nc-gaertnma at netcologne.de>>wrote:
>      >
>      > > On Fri, 2 Dec 2011 18:59:25 +0000
>      > > Frank Church <vfclists at gmail.com <mailto:vfclists at gmail.com>>
>     wrote:
>      > >
>      > > > Is there a way of knowning the attribute count of a TDOMNode
>     as well as
>      > > > reading the value of an attribute if it exists?
>      > >
>      > > HasAttribute:=(Node is TDOMElement) and
>      > > (TDOMElement.hasAttribute('Name'));
>      > >
>      > > Attribute value:
>      > >
>      > > if Node is TDOMElement then
>      > >  Value:=TDOMElement(Node).GetAttribute('Name')
>      > > else
>      > >  Value:='';
>      > >
>      > >
>      > > Mattias
>      > > _______________________________________________
>      > > fpc-pascal maillist  - fpc-pascal at lists.freepascal.org
>     <mailto:fpc-pascal at lists.freepascal.org>
>      > > http://lists.freepascal.org/mailman/listinfo/fpc-pascal
>      > >
>      >
>      > Is there a way of counting the attributes and listing them out if
>     you don't
>      > know what they are in advance, or some kind of iteration which
>     will tell
>      > you when you are on the last item or there are none at all?
>
>     You may want to read the fpc xml tutorial:
>     http://wiki.freepascal.org/XML_Tutorial#Printing_the_names_of_nodes_and_attributes
>
>     Mattias
>     _______________________________________________
>     fpc-pascal maillist  - fpc-pascal at lists.freepascal.org
>     <mailto:fpc-pascal at lists.freepascal.org>
>     http://lists.freepascal.org/mailman/listinfo/fpc-pascal
>
>
>
> The example you pointed doesn't show what I am looking for, but it led
> me to one that does -
> http://wiki.freepascal.org/XML_Tutorial#Populating_a_TreeView_with_XML.
>
> The method in question is the TDomNode.Attributes.Length property. I
> thought something like that shoud exist but I was looking for a Count
> property. Shouldn't it be count instead?

FPC's XML implementation is based on the DOM specification by W3C. And 
there it defined as "length". Also changing it to "count" would break 
existing code.

Regards,
Sven