Re: [topbraid-users] Special characters in SWP XML output

Tue, 12 Feb 2019 09:23:43 -0800 

Hi Sanjeev,

> On 12 Feb 2019, at 16:31, Sanjeev Devireddy <[email protected]> 
> wrote:
> 
> Hi Richard,
>     Thanks for your response. In our example, first a list of XML tags (tag 
> names are dynamic and with multiple attributes) are prepared by looping 
> through a SPARQL result set and at the end, all these tags are added (as 
> sub-tags) to a root tag, whose name is dynamic.

I understand.

> My understanding is that the only way to create an XML tag with dynamic name 
> is using ui:group & ui:parse as shown below.

That’s the only way I can think of.

> In this case, if all the sub tags are has to be passed as string to the 
> ui:parse while preparing the root tag then the sub tags can't be converted to 
> strings using the ui:format="ui:TEXT”.

I don’t know why you say that.

In your example, you used ui:bind and ui:stringify to do what looked like 
concatenating multiple attributes. I showed how to make that work by adding a 
ui:format.

For sub-tags, you don’t need to use ui:stringify at all, although you can if 
you want to. What you need to do is create the XML string for the sub-tags, and 
insert them when creating the element for the dynamic parent element:

    <ui:parse ui:xml="true" ui:str="&lt;{= ?tagName }&gt; {= ?subTagsXML } 
&lt;/{= ?tagName }&gt;"/>

Below is an example that creates one (static) root element with five dynamic 
top-level elements and five dynamic children. All have a dynamic attribute too. 
It’s in the attached file, call with 
http://localhost:8083/tbl/swp?_viewClass=x:TestService

The key point is that the dynamic elements, including all their attributes and 
children/descendants (and their attributes), need to be produced by string 
concatenation.

Richard



<ui:group>
    <x:RootElement>
        <ui:forEach ui:resultSet="{#
                SELECT ?i
                WHERE {
                    ?i tops:for ( 1 5 ) .
                } }">
            <ui:group let:attr="attribute{= ?i }=&quot;Value {= ?i }&quot;"
                      let:subTag="SubElement{= ?i }"
                      let:topTag="TopLevelElement{= ?i }">
                <ui:group let:subElement="&lt;{= ?subTag } {= ?attr }&gt;Value 
{= ?i }&lt;/{= ?subTag }&gt;">
                    <ui:parse ui:str="&lt;{= ?topTag } {= ?attr }&gt;{= 
?subElement }&lt;/{= ?topTag }&gt;"
                              ui:xml="true"/>
                </ui:group>
            </ui:group>
        </ui:forEach>
    </x:RootElement>
</ui:group>

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