Sounds good to me. A minor suggestion on the name would be something like
"transformString".
On Fri, Apr 18, 2014 at 2:40 AM, Andrea Aime
<[email protected]>wrote:
> On Fri, Apr 18, 2014 at 10:37 AM, Andrea Aime <
> [email protected]> wrote:
>
>> The main use case for this would be to extract bits of complex strings
>> for processing
>> or labeling purposes. Say for example that I have an attribute that is
>> formatted as an ISO
>> string, and I want to extract only the hour portion of it for labeling,
>> the call would be:
>>
>> <ogc:Function name="template">
>> <ogc:Literal>\d{4}-\d{2}-\d{2}T(\d{2}):\d{2}:\d{2}</ogc:Literal>
>> <ogc:Literal>{1}</ogc:Literal>
>> </ogc:Function>
>>
>> or, in CQL terms:
>>
>> template('\d{4}-\d{2}-\d{2}T(\d{2}):\d{2}:\d{2}', {1})
>>
>
> Doh, hit sent and realized I miss an argument, the input string to be
> matched.
> So it would become:
>
> <ogc:Function name="template">
> <ogc:PropertyName>myAttribute</ogc:PropertyName>
> <ogc:Literal>\d{4}-\d{2}-\d{2}T(\d{2}):\d{2}:\d{2}</ogc:Literal>
> <ogc:Literal>{1}</ogc:Literal>
> </ogc:Function>
>
> and in cql:
>
> template(myAttribute, '\d{4}-\d{2}-\d{2}T(\d{2}):\d{2}:\d{2}', {1})
>
> cheers
> Andrea
>
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--
*Justin Deoliveira*
Vice President, Engineering | Boundless
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@j_deolive <https://twitter.com/j_deolive>
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"Graph Databases" is the definitive new guide to graph databases and their
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