From d05334d9d8a7956eb6fcf706977cce1b2c06d858 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@derf.homelinux.org>
Date: Wed, 10 Feb 2010 15:43:05 +0100
Subject: Add checkopts.pl

---
 dev/checkopts.pl | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100755 dev/checkopts.pl

(limited to 'dev')

diff --git a/dev/checkopts.pl b/dev/checkopts.pl
new file mode 100755
index 0000000..b2cd6c1
--- /dev/null
+++ b/dev/checkopts.pl
@@ -0,0 +1,66 @@
+#!/usr/bin/env perl
+## Copyright © 2010 by Daniel Friesel <derf@derf.homelinux.org>
+## License: WTFPL <http://sam.zoy.org/wtfpl>
+use strict;
+use warnings;
+
+my $options;
+
+open(my $c_fh, '<', 'src/options.c') or die("Can't read options.c: $!");
+while (my $line = <$c_fh>) {
+
+	if ($line =~ /\{"(?<long>[\w-]+)",.*,\s*(?:'(?<short>.)'|(?<short>\d+))\}/o) {
+		push(@{$options->{$+{long}}}, ['source', $+{short}]);
+	}
+	elsif ($line =~ /" (?:\-(?<short>.), |\s*)--(?<long>[\w-]+) /) {
+		push(@{$options->{$+{long}}}, ['help', $+{short}]);
+	}
+
+}
+close($c_fh);
+
+open(my $man_fh, '<', 'feh.1') or die("Can't read feh.1: $!");
+while (my $line = <$man_fh>) {
+
+	if ($line =~ /^\.B (?:-(?<short>.), )?--(?<long>[\w-]+)/) {
+		push(@{$options->{$+{long}}}, ['manual', $+{short}]);
+	}
+
+}
+close($man_fh);
+
+foreach my $option (keys %{$options}) {
+	my $last;
+	my $count = 0;
+
+	if ($option =~ /^action\d/) {
+		next;
+	}
+
+	foreach my $source (@{$options->{$option}}) {
+		my $name = $source->[0];
+		my $short = $source->[1] // '';
+		$short = '' if ($short =~ /^\d+$/);
+
+		if (not defined $last) {
+			$last = $short;
+		}
+
+		if ($last ne $short) {
+			last;
+		}
+
+		$last = $short;
+		$count++;
+	}
+
+	if ($count == 3) {
+		next;
+	}
+
+	foreach my $source (@{$options->{$option}}) {
+		my $name = $source->[0];
+		my $short = $source->[1] // '';
+		print "$option: $name ($short)\n";
+	}
+}
-- 
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