Adding command line parser

1 files changed, 53 insertions, 0 deletions

diff --git a/lib/parser.rb b/lib/parser.rb
new file mode 100644
index 0000000..13895c3
--- /dev/null
+++ b/lib/parser.rb
@@ -0,0 +1,53 @@
+#!/usr/bin/env ruby
+#
+# Keyringer secret management system.
+#
+# Copyright (C) 2011 Keyringer Development Team.
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or 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 Affero General Public License for more details.
+# 
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+require 'optparse'
+
+options  = {}
+optparse = OptionParser.new do |opts|
+  # Set a banner, displayed at the top of the help screen.
+  opts.banner = "Usage: #{File.basename($0)} [options] file1 file2 ..."
+
+  # TODO: example option
+  options[:verbose] = false
+  opts.on( '-v', '--verbose', 'Output more information' ) do
+    options[:verbose] = true
+  end
+
+  # TODO: example option
+  options[:logfile] = nil
+  opts.on( '-l', '--logfile FILE', 'Write log to FILE' ) do |file|
+    options[:logfile] = file
+  end
+
+  # This displays the help screen
+  opts.on( '-h', '--help', 'Display this help message' ) do
+    puts opts
+    exit
+  end
+end
+
+# Parse using 'parse!' to remove all options found at ARGV
+optparse.parse!
+
+# Parse positional arguments
+$args    = ARGV
+$keyring = $args.shift
+$action  = $args.shift