[Scilab-users] xmlXPath query

[Calixte Denizet]

Hi Samuel,

On 01/03/2015 19:56, Samuel Gougeon wrote:
> Hello,
>
> Despite many trials, i am failing extracting the value of an attribute 
> with  xmlXPath().
> Here is an example:
>
> text = ["<main>"
>         "    <itag  target=""valueA""  url=""valueB"" />"
>         "    <itag  target=""valueA2"" url=""valueB2"" />"
>         "    <itag  target=""valueA3"" url=""valueB3"" />"
>         "</main>"
>         ];
> doc = xmlReadStr(text)
>
> Now, we want to select all <itagentries for which the targetattribute 
> has a given value (say valueA2), and for them, get the related urlvalue:
>
> -->e = xmlXPath(doc, "//itag[@target=""valueA2""]") // works:
>  e  =
> XML List
> size: 1
>

you got a list with one element

> but ehas no attributes fields. So i cannot get its url contents:
> -->e.name
>  ans  =
>  itag

e(1).name

fyi e.name is a shortcut to get all the nodes name in the list.

>
> -->e.attributes
>     !--error 999
> %XMLSet_e: Unknown field: attributes
>

e(1).attributes

> How is it possible to do what we expect, whether it is?
> Reading examples on the official xmlXPath webpage did not help...
>
> Thanks for any hints
> Samuel
>

Best regards

Calixte

>
>
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-- 
Calixte Denizet
Software Development Engineer
-----------------------------------------------------------
Scilab Enterprises
143bis rue Yves Le Coz - 78000 Versailles, France
http://www.scilab-enterprises.com

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