[dokuwiki] Re: Content-dependent Purge/Cache
- From: "Todd Augsburger" <todd@xxxxxxxxxxxxxxxx>
- To: <dokuwiki@xxxxxxxxxxxxx>
- Date: Thu, 11 Jan 2007 11:52:08 -0500
Samuele,
Although DW might not support actual removal of permanent metadata, it would
not be difficult to write a bit o' code ( modeled after p_set_metadata() in
inc/parserutils.php ) that you could use to directly delete your key(s).
However, you always take a definite risk that things will _change_ and break
your plugin. Try this:
// modeled after p_set_metadata() in inc/parserutils.php
function p_del_metadata($id, $data, $render=false){
if (!is_array($data)) return false;
$orig = p_get_metadata($id);
// render metadata first?
if ($render) $meta = p_render_metadata($id, $orig);
else $meta = $orig;
// now del the passed metadata
foreach ($data as $key => $value){
// be careful with sub-arrays of $meta['relation']
if ($key == 'relation'){
foreach ($value as $subkey => $subvalue){
unset($meta[$key][$subkey]);
}
// no special treatment for the rest
} else {
unset($meta[$key]);
}
}
// save only if metadata changed
if ($meta == $orig) return true;
// check if current page metadata has been altered - if so sync the
changes
global $INFO;
if ($id == $INFO['id'] && isset($INFO['meta'])) {
$INFO['meta'] = $meta;
}
return io_saveFile(metaFN($id, '.meta'), serialize($meta));
}
Todd Augsburger
todd@xxxxxxxxxxxxxxxx
Roller Organs
http://www.rollerorgans.com/
----- Original Message -----
From: "Samuele Tognini" <samuele@xxxxxxxxxxxxxxx>
To: <dokuwiki@xxxxxxxxxxxxx>
Sent: Thursday, January 11, 2007 10:01 AM
Subject: [dokuwiki] Re: Content-dependent Purge/Cache
[...]
when i've read Todd's mail i've hoped there was a
trick with the stable release.
About updating, since i'm releasing a plugin i'd prefer that it's
compatible with the stable release.
My syntax plugin uses p_set_metatada to write the value (it was you who
give me this tips, do you remember? :) ), and for what i've understand
the support for metada rendering in syntax mode is not in the stable
release.
[...]
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