1 files changed, 75 insertions, 0 deletions
diff --git a/lib/Lintian/Check/Documentation/Doxygen.pm b/lib/Lintian/Check/Documentation/Doxygen.pm
new file mode 100644
index 0000000..206a4b8
--- /dev/null
+++ b/lib/Lintian/Check/Documentation/Doxygen.pm
@@ -0,0 +1,75 @@
+# Copyright (C) 1998 Christian Schwarz and Richard Braakman
+# Copyright (C) 1999 Joey Hess
+# Copyright (C) 2000 Sean 'Shaleh' Perry
+# Copyright (C) 2002 Josip Rodin
+# Copyright (C) 2007 Russ Allbery
+# Copyright (C) 2013-2018 Bastien ROUCARIES
+# Copyright (C) 2017-2020 Chris Lamb <lamby@debian.org>
+# Copyright (C) 2020-2021 Felix Lechner
+#
+# 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 of the License, 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, you can find it on the World Wide
+# Web at https://www.gnu.org/copyleft/gpl.html, or write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+package Lintian::Check::Documentation::Doxygen;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use Moo;
+use namespace::clean;
+
+with 'Lintian::Check';
+
+sub visit_patched_files {
+    my ($self, $item) = @_;
+
+    return
+      unless $item->is_file;
+
+    $self->pointed_hint('source-contains-prebuilt-doxygen-documentation',
+        $item->parent_dir->pointer)
+      if $item->basename =~ m{^doxygen.(?:png|sty)$}
+      && $self->processable->source_name ne 'doxygen';
+
+    return
+      unless $item->basename =~ /\.(?:x?html?\d?|xht)$/i;
+
+    my $contents = $item->decoded_utf8;
+    return
+      unless length $contents;
+
+    my $lowercase = lc($contents);
+
+    # Identify and ignore documentation templates by looking
+    # for the use of various interpolated variables.
+    # <http://www.doxygen.nl/manual/config.html#cfg_html_header>
+    $self->pointed_hint('source-contains-prebuilt-doxygen-documentation',
+        $item->pointer)
+      if $lowercase =~ m{<meta \s+ name="generator" \s+ content="doxygen}smx
+      && $lowercase
+      !~ /\$(?:doxygenversion|projectname|projectnumber|projectlogo)\b/;
+
+    return;
+}
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et