lib/cookbook-reader/parser.rb in cookbook-reader-0.1.1 vs lib/cookbook-reader/parser.rb in cookbook-reader-0.1.2

@@ -15,12 +15,16 @@
 
     def display_data
       @top_list.each do |element|
         puts  "Cookbook: #{element['name']}\n"
         puts "  Dependancies:"
-        element['depends'].each do |name, version|
-          puts "    #{name}, #{version}\n"
+        if element['depends']
+          element['depends'].each do |name, version|
+            puts "    #{name}, #{version}\n"
+          end
+        else
+          puts "    None\n"
         end
         puts "\n"
       end
     end
 
@@ -30,11 +34,12 @@
 
       @depends_list = {}
       File.open(filename) do |fp|
         fp.each do |line|
           key, value = line.chomp.split(" ")
-          key.strip!
-          value.strip!
+          next if key.nil? || value.nil?
+          key.strip! unless key.nil?
+          value.strip! unless value.nil?
           key = key.chomp('"').reverse.chomp('"').reverse
           value = value.chomp('"').reverse.chomp('"').reverse
 
           if key =~ /depends/
             @hash[key] = add_dependencies(line)