Question about inject function

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spalax 2014-01-05 10:19:31 -04:00 committed by admin
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[[!meta title="Cannot manage to *inject* *preprocess_tag*"]]
Hello,
I am trying to write a plugin that changes the way the
[[ikiwiki/directive/tag]] [[ikiwiki/directive]] works, and I am trying to do so
by using the [[inject|plugins/write/#index81h3]] function. The piece of code
that should (if I understood well the `inject` function) do the trick is :
sub import {
inject(
name => 'IkiWiki::Plugin::tag::preprocess_tag',
call => \&my_preprocess_tag
);
}
Howere, this does not change anything about the effect of the `tag` directive.
I have tried some variants, like calling `inject` outside the `import`
function, or calling `IkiWiki::loadplugin("tag");` to ensure that the
[[plugins/tag]] is loaded, but none of these things work. Any idea?
*Disclaimer:* although proficient in several languages, I am a beginner in Perl.
Here is the full code of (a very early version of) my plugin.
#! /usr/bin/perl
require 5.002;
package IkiWiki::Plugin::parenttag;
use warnings;
use strict;
use IkiWiki 3.00;
my $orig_preprocess_tag=\&preprocess_tag;
sub import {
inject(
name => 'IkiWiki::Plugin::tag::preprocess_tag',
call => \&my_preprocess_tag
);
}
sub my_preprocess_tag(@) {
print "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nWorking!\n";
return "TODO";
}
1
-- [[Louis|spalax]]