ikiwiki/IkiWiki/Plugin/shortcut.pm

79 lines
1.9 KiB
Perl

#!/usr/bin/perl
package IkiWiki::Plugin::shortcut;
use warnings;
use strict;
use IkiWiki 2.00;
sub import { #{{{
hook(type => "checkconfig", id => "shortcut", call => \&checkconfig);
hook(type => "preprocess", id => "shortcut", call => \&preprocess_shortcut);
} #}}}
sub checkconfig () { #{{{
# Preprocess the shortcuts page to get all the available shortcuts
# defined before other pages are rendered.
my $srcfile=eval {srcfile("shortcuts.mdwn")};
if (! defined $srcfile) {
error(gettext("shortcut plugin will not work without a shortcuts.mdwn"));
}
IkiWiki::preprocess("shortcuts", "shortcuts", readfile($srcfile));
} # }}}
sub preprocess_shortcut (@) { #{{{
my %params=@_;
if (! defined $params{name} || ! defined $params{url}) {
return "[[shortcut ".gettext("missing name or url parameter")."]]";
}
hook(type => "preprocess", no_override => 1, id => $params{name},
call => sub { shortcut_expand($params{url}, $params{desc}, @_) });
#translators: This is used to display what shortcuts are defined.
#translators: First parameter is the name of the shortcut, the second
#translators: is an URL.
return sprintf(gettext("shortcut %s points to <i>%s</i>"), $params{name}, $params{url});
} # }}}
sub shortcut_expand ($$@) { #{{{
my $url=shift;
my $desc=shift;
my %params=@_;
# Get params in original order.
my @params;
while (@_) {
my $key=shift;
my $value=shift;
push @params, $key if ! length $value;
}
# If the shortcuts page changes, all pages that use shortcuts will
# need to be updated.
add_depends($params{destpage}, "shortcuts");
my $text=join(" ", @params);
my $encoded_text=$text;
$encoded_text=~s/([^A-Za-z0-9])/sprintf("%%%02X", ord($1))/seg;
$url=~s{\%([sS])}{
$1 eq 's' ? $encoded_text : $text
}eg;
$text=~s/_/ /g;
if (defined $params{desc}) {
$desc=$params{desc};
}
if (defined $desc) {
$desc=~s/\%s/$text/g;
}
else {
$desc=$text;
}
return "<a href=\"$url\">$desc</a>";
} #}}}
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