+>>> Hmm. I think this can be done without introducing any "phases",
+>>> even, but it would require each plugin that generates links according
+>>> to a pagespec to have either a conditional call into the orphans plugin,
+>>> or a call to a new core function in ikiwiki that exists solely to
+>>> support the orphans plugin. Something like this, maybe:
+>>>
+>>> # in map.pm, inline.pm, pagestats.pm etc., at scan time
+>>> if (IkiWiki::Plugin::orphans->can("add_reachable")) {
+>>> IkiWiki::Plugin::orphans::add_reachable($page, $pagespec);
+>>> }
+>>>
+>>> # in orphans.pm (pseudocode; note that this does not *evaluate*
+>>> # $pagespec, only stores it, so it's OK to do this at scan time)
+>>> sub needsbuild ($pages)
+>>> for each page in $pages
+>>> clear $pagestate{location}{orphans}{reachable}
+>>> sub reachable ($location, $pagespec)
+>>> add $pagespec to @{$pagestate{location}{orphans}{reachable}}
+>>>
+>>> # in preprocess function in orphans.pm (pseudocode)
+>>> # executed at build time, not at scan time, so pagespecs work
+>>>
+>>> for each maybe_orphan with no links to it
+>>> for each location with a list of reachable pagespecs
+>>> make the page with the orphans directive depend on \
+>>> the page that is the location
+>>> for each of those pagespecs
+>>> if pagespec matches orphan
+>>> take orphan off the list
+>>> go to next orphan
+>>> output list of orphans
+>>>
+>>> (Maybe parentlinks should also annotate the parent/ancestors of
+>>> each page as reachable from that page.)
+>>>
+>>> Do other people (mainly Joey) think that'd be acceptable, or
+>>> too intrusive?
+>>>
+>>> Taking this off the list of resolved bugs again while we think about it.
+>>>
+>>> I suspect that in the presence of autoindex, what you really want might
+>>> be less "there's a link to it" and more "there's a path to it from
+>>> the root of the wiki", which is why I called the proposed function
+>>> "add_reachable". On the other hand, maybe that's too computationally
+>>> intensive to actually do; I haven't tried it.
+>>> --[[smcv]]
sipb-www / ikiwiki.git / commitdiff
