Add a configuration file parsing method.

1 files changed, 34 insertions, 0 deletions

diff --git a/lognotify.rb b/lognotify.rb
index cc2a975..affc9f2 100755
--- a/lognotify.rb
+++ b/lognotify.rb
@@ -6,3 +6,37 @@
 # Copyright 2010 David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
 # Distributed under the terms of the GNU General Public License v3.
 # See http://www.gnu.org/licenses/gpl.txt for the full license text.
+
+CONFIG_DIR="~/.config/lognotify"
+
+# Configuration file parser.
+def parse identifier
+  conf = Hash.new
+  file = File.expand_path(CONFIG_DIR + '/' + identifier + '.conf')
+
+  File.open(file) do |contents|
+    contents.each_line do |line|
+      # Remove whitespace from beginning of line, allowing for indentation.
+      line.lstrip!
+
+      # Ignore empty lines and comments.
+      unless line.empty? or line[0,1] == '#'
+        key, val = line.split('=', 2)
+
+        # Raise an error if line does not contain a key/value pair.
+        if val.nil?
+          raise 'Check line ' + contents.lineno.to_s + ' for errors.'
+        end
+
+        conf[key.strip.to_sym] = val.strip
+      end
+    end
+  end
+
+  return conf
+end
+
+# Test code...
+ARGV.each do |identifier|
+  puts parse(identifier).inspect
+end