#! /usr/bin/perl
################################################################################
## taskwarrior - a command line task list manager.
##
## Copyright 2006 - 2011, Paul Beckingham, Federico Hernandez.
## All rights reserved.
##
## 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, write to the
##
##     Free Software Foundation, Inc.,
##     51 Franklin Street, Fifth Floor,
##     Boston, MA
##     02110-1301
##     USA
##
################################################################################

use strict;
use warnings;

# Use the en-US.h file, or whatever was specified on the command line.
my $file = scalar @ARGV ? shift @ARGV : 'en-US.h';

# Find all the defined strings.
my @strings;
if (open my $fh, '<', $file)
{
  while (my $line = <$fh>)
  {
    push @strings, $1 if $line =~ /\#define\s+(STRING_\S+)/;
  }

  close $fh;
}

# Recursively search for all the defined strings, reporting those that are not
# used.
for my $string (@strings)
{
  print "$string is not used\n"
    if `git grep $string | grep -v [a-z][a-z]-[A-Z][A-Z].h` eq '';
}

exit 0;

################################################################################