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#!/usr/bin/perl
package IkiWiki::Plugin::conditional;
use warnings;
use strict;
use IkiWiki 2.00;
use UNIVERSAL;
sub import { #{{{
hook(type => "preprocess", id => "if", call => \&preprocess_if);
} # }}}
sub preprocess_if (@) { #{{{
my %params=@_;
if (! exists $params{test} || ! exists $params{then}) {
return "[[if ".gettext('"test" and "then" parameters are required')."]]";
}
my $result=0;
# An optimisation to avoid needless looping over every page
# and adding of dependencies for simple uses of some of the
# tests.
if ($params{test} =~ /^(enabled|sourcepage|destpage)\((.*)\)$/) {
$result=pagespec_match($params{page}, $params{test},
location => $params{page},
sourcepage => $params{page},
destpage => $params{destpage});
}
else {
add_depends($params{page}, $params{test});
foreach my $page (keys %pagesources) {
if (pagespec_match($page, $params{test},
location => $params{page},
sourcepage => $params{page},
destpage => $params{destpage})) {
$result=1;
last;
}
}
}
my $ret;
if ($result) {
$ret=$params{then};
}
elsif (exists $params{else}) {
$ret=$params{else};
}
else {
$ret="";
}
return IkiWiki::preprocess($params{page}, $params{destpage},
IkiWiki::filter($params{page}, $ret));
} # }}}
package IkiWiki::PageSpec;
sub match_enabled ($$;@) { #{{{
shift;
my $plugin=shift;
# test if the plugin is enabled
return UNIVERSAL::can("IkiWiki::Plugin::".$plugin, "import");
} #}}}
sub match_sourcepage ($$;@) { #{{{
shift;
my $glob=shift;
my %params=@_;
return unless exists $params{sourcepage};
return match_glob($params{sourcepage}, $glob, @_);
} #}}}
sub match_destpage ($$;@) { #{{{
shift;
my $glob=shift;
my %params=@_;
return unless exists $params{destpage};
return match_glob($params{destpage}, $glob, @_);
} #}}}
sub match_included ($$;$) { #{{{
shift;
shift;
my %params=@_;
return unless exists $params{sourcepage} && exists $params{destpage};
return $params{sourcepage} ne $params{destpage};
} #}}}
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