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-rw-r--r--.library/IkiWiki/Plugin/license.pm89
1 files changed, 89 insertions, 0 deletions
diff --git a/.library/IkiWiki/Plugin/license.pm b/.library/IkiWiki/Plugin/license.pm
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+++ b/.library/IkiWiki/Plugin/license.pm
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+# A plugin for ikiwiki to implement adding a footer with licensing information
+# to every rendered page.
+
+# Copyright © 2007 Thomas Schwinge <tschwinge@gnu.org>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# A footer with licensing information will be added to every rendered page if
+# either (a) a file `license.mdwn' is found (using the same rules as for the
+# sidebar plugin) or (b) (which be used to override (a)) a statement à la
+# ``[[license text=WHATEVER]]'' is found in the source page.
+#
+# The state which page's license text was gathered from which source is not
+# tracked, so you'll need a full wiki-rebuild if (a)'s files are changed.
+
+package IkiWiki::Plugin::license;
+
+use warnings;
+use strict;
+use IkiWiki 2.00;
+
+sub import
+{
+ hook (type => "preprocess", id => "license", call => \&preprocess);
+ hook (type => "pagetemplate", id => "license", call => \&pagetemplate);
+}
+
+my %text;
+
+sub preprocess (@)
+{
+ my %params = @_;
+ my $page = $params {page};
+
+ # We don't return any text here, but record the passed text.
+ $text {$page} = $params {text};
+ return "";
+}
+
+sub pagetemplate (@)
+{
+ my %params = @_;
+ my $page = $params {page};
+ my $destpage = $params {destpage};
+
+ my $template = $params {template};
+
+ if ($template->query (name => "license"))
+ {
+ my $content;
+ my $pagetype;
+ if (defined $text {$page})
+ {
+ $pagetype = pagetype ($pagesources {$page});
+ $content = $text {$page};
+ }
+ else
+ {
+ my $license_page = bestlink ($page, "license") || return;
+ my $license_file = $pagesources {$license_page} || return;
+ $pagetype = pagetype ($license_file);
+ $content = readfile (srcfile ($license_file));
+ }
+
+ if (defined $content && length $content)
+ {
+ $template->param (license =>
+ IkiWiki::htmlize ($destpage, $pagetype,
+ IkiWiki::linkify ($page, $destpage,
+ IkiWiki::preprocess ($page, $destpage,
+ IkiWiki::filter ($page, $destpage, $content)))));
+
+ }
+ }
+}
+
+1