Re: ease of use proposal - adding 'from' attribute to step to define connection

+1 on Henry's proposal and Florent's and Gerrit's generalizations.

Thanks all!
Romain.

Le 27 nov. 2014 à 08:51, James Fuller a écrit :

> thx Gerrit, 
> 
> defining multiples in the 'from' attribute to represent multiple p:pipe seems like a win as well.
> 
> keep the thoughtful comments coming ... I do appreciate both yours and Florent eye for scope, your suggestions are also perfect in that respect (eg. the reality of how much change we can propose at this stage).
> 
> next step is a more formal description to WG and see if we can't get this drafted into spec language.
> 
> J
> 
> 
> On Wed, Nov 26, 2014 at 9:58 PM, Imsieke, Gerrit, le-tex <gerrit.imsieke@le-tex.de> wrote:
> 
> On 26.11.2014 20:13, James Fuller wrote:
> Its an interesting thought  (FWIW- originally I also was toying with
> things like mystep#result so its nice to here confirmation from a 2nd
> pair of eyes).
> 
> I also like result@mystep ... and from my pov still fits in with the
> scope of change being discussed.
> 
> I like result@mystep, too, and I think we can shortcut even further. We have a significant number of steps where an input port connects to multiple output ports.
> 
> In a typical project, I found 35 out of 443 input connections and 2 out of 171 output declarations that had multiple p:pipe children.
> 
> I don’t see what keeps us from turning the multiple pipes into space-separated port@step tokens within a @from attribute:
> 
> <p:input port="meta">
>   <p:pipe port="result" step="select-edition-meta"/>
>   <p:pipe port="result" step="meta"/>
> </p:input>
> →
> <p:input port="meta" from="result@select-edition-meta result@meta"/>
> 
> <p:output port="report" sequence="true">
>   <p:pipe port="report" step="test-suite"/>
>   <p:pipe port="report" step="regular-ebooks-iteration"/>
> </p:output>
> →
> <p:output port="report" from="report@test-suite report@regular-ebooks-iteration"/>
> 
> with a tacit sequence="true" if there are multiple tokens in @from or if there are multiple p:pipe children. (?)
> 
> Gerrit
> 
>