Re: Product-component structure

[Hans Hagen <pragma@wxs.nl>]

On 6/25/2016 10:42 AM, Aditya Mahajan wrote:
> On Sat, 25 Jun 2016, Wolfgang Schuster wrote:
>
>>> Aditya Mahajan <mailto:adityam@umich.edu>
>>> 24. Juni 2016 um 21:19
>>> Hi,
>>>
>>> This is based on a question on tex.sx:
>>> http://tex.stackexchange.com/q/316504/323
>>>
>>> In file-job.lua, we have:
>>>
>>> local processors = utilities.storage.allocate {
>>>     ...
>>>     [v_product] = {
>>>         [v_text]        = { "many", processfilemany },
>>>         [v_project]     = { "once", processfileonce },
>>>         [v_environment] = { "once", processfileonce },
>>>         [v_product]     = { "many", processfilemany },
>>>         [v_component]   = { "many", processfilemany },
>>>     },
>>>     [v_component] = {
>>>         [v_text]        = { "many", processfilemany },
>>>         [v_project]     = { "once", processfileonce },
>>>         [v_environment] = { "once", processfileonce },
>>>         [v_product]     = { "none", processfilenone },
>>>         [v_component]   = { "many", processfilemany },
>>>     }
>>> }
>>>
>>> Then, why is the product file processed multiple times?
>> The rules for a component files are applied *after* \startcomponent
>> which isn’t the case for the example where in the first iteration
>> the "text" rules are applied and in the following iteration the rules
>> for a product file.
>>
>> Moving \product … after \startcomponent prevents the loop but
>> the environment won’t be loaded anymore because the product
>> file isn’t loaded anymore.
>
> So, what's the recommended alternative? One could move the \environment
> to the components, but that can lead to a lot of repetitions (if there
> are many environments).

i always use one main environment (that can include others) and putting 
an \environment on top of a component is then not much overhead 
(compared to getting the content done)

Hans


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