storage.rb in sensible-cinema-0.18.0

- old
+ new
@@ -1,82 +1,99 @@
-# use it like
-
-    class Storage
-      class << self
-        attr_writer :storage_dir
-      end
-    
-      def self.storage_dir
-        @user_dir ||= File.join(File.expand_path('~'), ".storage")
-      end
-
-      # Open a storage file or create it if it doesn't exist.
-      #
-      # @param [String] a (short) name, should be suitable for use as a filename
-      def initialize(name)
-        @name    = name
-        unless File.exists?(Storage.storage_dir)
-          FileUtils.mkdir_p(Storage.storage_dir)
-        end
-        rollback
-      end
-
-      # Save the storage to disk.
-      def save
-				File.open(path, "w") { |f| YAML.dump(@storage, f) }
-        update_timestamp
-        self
-      end
-
-      # Rollback the storage to the latest revision saved to disk or empty it if
-      # it hasn't been saved.
-      def rollback
-        if File.exists?(path)
-          @storage = YAML.load_file(path)
-          raise 'storage file is corrupted--please delete ' + path unless @storage.is_a? Hash
-          update_timestamp
-        else
-          @storage = {}
-        end
-        self
-      end
-      
-      # retrieve key value
-      # note: it does not re-read from disk before returning you this value
-      def [](key)
-        if @last_modified_time
-          if File.exist?(path()) && (File.stat(path()).mtime != @last_modified_time)
-            rollback
-          end
-        end
-        @storage[key]
-      end
-      
-      # set key to value
-      # note: it automatically saves this to disk
-      def []=(key, value)
-        @storage[key] = value
-        save
-        value
-      end
-      
-      def set_default(key, value)
-        unless @storage.has_key?(key)
-          self[key] = value
-        end
-        value
-      end
-      
-      def keys
-        @storage.keys
-      end
-      
-      private
-      
-      def path
-        File.join(Storage.storage_dir, @name + ".yaml")
-      end
-      
-      def update_timestamp
-        @last_modified_time = File.stat(path()).mtime
-      end
-    end
+=begin
+Copyright 2010, Roger Pack 
+This file is part of Sensible Cinema.
+
+    Sensible Cinema 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 3 of the License, or
+    (at your option) any later version.
+
+    Sensible Cinema 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 Sensible Cinema.  If not, see <http://www.gnu.org/licenses/>.
+=end
+# use it like
+
+    class Storage
+      class << self
+        attr_writer :storage_dir
+      end
+    
+      def self.storage_dir
+        @user_dir ||= File.join(File.expand_path('~'), ".storage")
+      end
+
+      # Open a storage file or create it if it doesn't exist.
+      #
+      # @param [String] a (short) name, should be suitable for use as a filename
+      def initialize(name)
+        @name    = name
+        unless File.exists?(Storage.storage_dir)
+          FileUtils.mkdir_p(Storage.storage_dir)
+        end
+        rollback
+      end
+
+      # Save the storage to disk.
+      def save
+				File.open(path, "w") { |f| YAML.dump(@storage, f) }
+        update_timestamp
+        self
+      end
+
+      # Rollback the storage to the latest revision saved to disk or empty it if
+      # it hasn't been saved.
+      def rollback
+        if File.exists?(path)
+          @storage = YAML.load_file(path)
+          raise 'storage file is corrupted--please delete ' + path unless @storage.is_a? Hash
+          update_timestamp
+        else
+          @storage = {}
+        end
+        self
+      end
+      
+      # retrieve key value
+      # note: it does not re-read from disk before returning you this value
+      def [](key)
+        if @last_modified_time
+          if File.exist?(path()) && (File.stat(path()).mtime != @last_modified_time)
+            rollback
+          end
+        end
+        @storage[key]
+      end
+      
+      # set key to value
+      # note: it automatically saves this to disk
+      def []=(key, value)
+        @storage[key] = value
+        save
+        value
+      end
+      
+      def set_default(key, value)
+        unless @storage.has_key?(key)
+          self[key] = value
+        end
+        value
+      end
+      
+      def keys
+        @storage.keys
+      end
+      
+      private
+      
+      def path
+        File.join(Storage.storage_dir, @name + ".yaml")
+      end
+      
+      def update_timestamp
+        @last_modified_time = File.stat(path()).mtime
+      end
+    end