From: http://kerravonsen.dreamwidth.org/ Date: Wed, 1 Jun 2011 11:56:54 +0000 (+0000) Subject: experimental plugin called subset X-Git-Tag: 3.20110431~27^2~14 X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/commitdiff_plain/869f259a2860925d312f672a50cea4fbf8f4e1cd experimental plugin called subset --- diff --git a/doc/todo/pagespec_aliases.mdwn b/doc/todo/pagespec_aliases.mdwn index 654636bc2..6a213de0c 100644 --- a/doc/todo/pagespec_aliases.mdwn +++ b/doc/todo/pagespec_aliases.mdwn @@ -115,3 +115,30 @@ however, to add ' or internal()' to `boring`, for some reason. > -- [[Jon]] >> Useful indeed! --[[Joey]] + +--------------------------- + +Based on the above, I have written an experimental plugin called "subset". +It's in my "ikiplugins" repo on github, in the "experimental" branch. + + +It takes Joey's suggestion of defining the subsets (aliases) as directives; +I took the example of the [[plugins/shortcut]] plugin and designated a single special page as the one where the directives are defined, +though unlike "shortcut" I haven't hardcoded the name of the page; it defaults to "subsets" but it can be re-defined in the config. + +I've also added a feature which one might call subset-caching; I had to override `pagespec_match_list` to do it, however. +An extra parameter added to `pagespec_match_list` called `subset` which + +* limits the result to look *only* within the set of pages defined by the subset (uses the "list" option to pagespec_match_list to do this) +* caches the result of the subset search so that the second time subset "foo" is used, it uses the stored result of the first search for "foo". + +This speeds things up if one is using a particular subset more than once, which one probably is if one bothered to define the subset in the first place. +The speed increase is most dramatic when the site has a large number of pages and the number of pages in the subset is small. +(this is similar to the "trail" concept I used in my [[plugins/contrib/report]] plugin, but not quite the same) + +Note that things like [[plugins/map]] can't make use of "subset" (yet) because they don't pass along all the parameters they're given. +But [[plugins/contrib/report]] actually works without alteration because it does pass along all the parameters. + +Unfortunately I haven't figured out how to do the dependencies - I'd really appreciate help on that. + +--[[KathrynAndersen]]