X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/6fead140d810c5e5e90b1be6fb9d1ada97a96ab8..1968317cacc2f555af17286acf26a60ce616cc40:/doc/todo/allow_site-wide_meta_definitions.mdwn diff --git a/doc/todo/allow_site-wide_meta_definitions.mdwn b/doc/todo/allow_site-wide_meta_definitions.mdwn index 9da0dddf8..82670250e 100644 --- a/doc/todo/allow_site-wide_meta_definitions.mdwn +++ b/doc/todo/allow_site-wide_meta_definitions.mdwn @@ -36,6 +36,30 @@ definitions essentially. >> I've made may not be acceptable, though -- I'd appreciate someone providing >> some feedback on that hunk! +>>> Well, re that hunk, taint checking is currently disabled, but +>>> if the perl bug that disallows it is fixed and it is turned back on, +>>> the hash values will remain tainted, which will probably lead to +>>> problems. +>>> +>>> I'm also leery of using such a complex data structure in config. +>>> The websetup plugin would be hard pressed to provide a UI for such a +>>> data structure. (It lacks even UI for a single hash ref yet, let alone +>>> a list.) +>>> +>>> Also, it seems sorta wrong to have two so very different syntaxes to +>>> represent the same meta data. A user without a lot of experience will +>>> be hard pressed to map from a directive to this in the setup file. +>>> +>>> All of which leads me to think the setup file could just contain +>>> a text that could hold meta directives. Which generalizes really to +>>> a text that contains any directives, and is, perhaps appended to the +>>> top of every page. Which nearly generalizes to the sidebar plugin, +>>> or perhaps something more general than that... +>>> +>>> However, excessive generalization is the root of all evil, so +>>> I'm not necessarily saying that's a good idea. Indeed, my memory +>>> concerns below invalidate this idea pretty well. --[[Joey]] + diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm index 6fe9cda..2f8c098 100644 --- a/IkiWiki/Plugin/meta.pm @@ -125,8 +149,98 @@ definitions essentially. >> are only relevant to defined fields that you wouldn't want to specify a >> global default for anyway. >> +>>> I generally agree with this. It is *possible* that meta would have a new +>>> field added, that takes parameters and make sense to use globally. +>>> --[[Joey]] +>> >> Due to this, and the added complexity of the second patch (having to adjust >> `IkiWiki/Setup.pm`), I think the first patch makes more sense. I've thus >> reverted to it here. ->> ->> --[[Jon]] +>> +>> Is this merge-worthy? + + diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm + index b229592..3132257 100644 + --- a/IkiWiki/Plugin/meta.pm + +++ b/IkiWiki/Plugin/meta.pm + @@ -13,6 +13,7 @@ sub import { + hook(type => "needsbuild", id => "meta", call => \&needsbuild); + hook(type => "preprocess", id => "meta", call => \&preprocess, scan => 1); + hook(type => "pagetemplate", id => "meta", call => \&pagetemplate); + + hook(type => "scan", id => "meta", call => \&scan); + } + + sub getsetup () { + @@ -302,6 +303,15 @@ sub match { + } + } + + +sub scan() { + + my %params = @_; + + my $page = $params{page}; + + foreach my $type (map { s/^meta_//; $_ } grep /^meta_/, keys %config) { + + $pagestate{$page}{meta}{$type} = $config{"meta_$type"} + + unless defined $pagestate{$page}{meta}{$type}; + + } + +} + + + package IkiWiki::PageSpec; + + sub match_title ($$;@) { + diff --git a/doc/ikiwiki/directive/meta.mdwn b/doc/ikiwiki/directive/meta.mdwn + index 000f461..200c4b2 100644 + --- a/doc/ikiwiki/directive/meta.mdwn + +++ b/doc/ikiwiki/directive/meta.mdwn + @@ -12,6 +12,12 @@ also specifies some additional sub-parameters. + The field values are treated as HTML entity-escaped text, so you can include + a quote in the text by writing `"` and so on. + + +You can also define site-wide defaults for meta values by including them + +in your setup file, e.g. + + + + meta_copyright => "Copyright 2007 by Joey Hess", + + meta_license => "GPL v2+", + + + Supported fields: + + * title + +-- [[Jon]] + +>>> Merry Christmas/festive season/happy new year folks. I've been away from +>>> ikiwiki for the break, and now I've returned to watching recentchanges. +>>> Hopefully I'll be back in the mix soon, too. In the meantime, Joey, have +>>> you had a chance to look at this yet? -- [[Jon]] + +>>>> Ping :) Hi. [[Joey]], would you consider this patch for the next +>>>> ikiwiki release? -- [[Jon]] + +>>> For this to work with websetup and --dumpsetup, it needs to define the +>>> `meta_*` settings in the getsetup function. +>>>> +>>>> I think this will be problematic with the current implementation of this +>>>> patch. The datatype here is an array of hash references, with each hash +>>>> having a variable (and arbitrary) number of key/value pairs. I can't +>>>> think of an intuitive way of implementing a way of editing such a +>>>> datatype in the web interface, let alone registering the option in +>>>> getsetup. +>>>> +>>>> Perhaps a limited set of defined meta values could be exposed via +>>>> websetup (the obvious ones: author, copyright, license, etc.) -- [[Jon]] +>>> +>>> I also have some concerns about both these patches, since both throw +>>> a lot of redundant data at meta, which then stores it in a very redundant +>>> way. Specifically, meta populates a per-page `%metaheaders` hash +>>> as well as storing per-page metadata in `%pagestate`. So, if you have +>>> a wiki with 10 thousand pages, and you add a 1k site-wide license text, +>>> that will bloat the memory usage of ikiwiki by in excess of 2 +>>> megabytes. It will also cause ikiwiki to write a similar amount more data +>>> to its state file which has to be loaded back in each +>>> run. +>>> +>>> Seems that this could be managed much more efficiently by having +>>> meta special-case the site-wide settings, not store them in these +>>> per-page data structures, and just make them be used if no per-page +>>> metadata of the given type is present. --[[Joey]] +>>>> +>>>> that should be easy enough to do. I will work on a patch. -- [[Jon]]