adding-help: commit created loader

lib/feature/commander.rb

@@ -1,11 +1,28 @@
+require_relative './loader'
+
 module Feature
 
   class Commander
+
+    COMMANDS = [
+      :branch,
+      :commit,
+      :help,
+      :end,
+      :rebase,
+      :merge,
+      :start,
+      :tab,
+      :trash
+    ].sort
+
+    DEFAULT = :help
+
     attr_reader :subcommand
 
     def initialize (argv)
       key = (argv[0] ? argv[0].to_sym : :branch)
-      @subcommand = Commander.create(key,argv)
+      @subcommand = Feature::Loader.new(COMMANDS,DEFAULT).create(key,argv)
     end
 
     def valid?
@@ -20,30 +37,6 @@ module Feature
       subcommand.execute
     end
 
-    def self.commands
-      [
-        :branch,
-        :commit,
-        :help,
-        :end,
-        :rebase,
-        :merge,
-        :start,
-        :tab,
-        :trash
-      ].sort
-    end
-
-    def self.create key, argv
-      key = "help" unless Commander.commands.include? key
-      require_relative "./#{key}"
-      klass = Module.const_get "Feature::#{key.capitalize}"
-      klass.new(argv)
-    end
-
-    def self.create_all argv
-      commands.map { |x| create(x,argv) }
-    end
   end
 
 end

lib/feature/help.rb

@@ -1,8 +1,14 @@
 require_relative './base'
+require_relative './commander'
+require_relative './loader'
 
 module Feature
 
   class Help < Feature::Base
+
+    COMMANDS = Feature::Commander::COMMANDS
+    DEFAULT  = Feature::Commander::DEFAULT
+
     def valid?
       true
     end
@@ -13,7 +19,8 @@ module Feature
 
     def execute
       puts
-      Feature::Commander.create_all(argv).each do |cmd|
+      loader = Feature::Loader.new(COMMANDS,DEFAULT)
+      loader.create_all(argv).each do |cmd|
         puts cmd.help
       end
       puts

lib/feature/loader.rb

@@ -0,0 +1,28 @@
+module Feature
+
+  class Loader
+    attr_reader :commands, :default
+
+    def initialize commands, default
+      @commands = commands
+      @default  = default
+    end
+
+    def create key, argv
+      key = default unless commands.include? key
+      require_relative "./#{key}"
+      klass = Module.const_get "Feature::#{key.to_s.capitalize}"
+      klass.new(argv)
+    end
+
+    def create_all argv
+      commands.map { |x| create(x,argv) }
+    end
+
+    def search pattern
+      regexp = Regexp.new(pattern)
+      commands.select { |x| regexp.match(x.to_s) }
+    end
+  end
+
+end

lib/feature/tab.rb

@@ -1,8 +1,14 @@
 require_relative './base'
+require_relative './commander'
+require_relative './loader'
 
 module Feature
 
   class Tab < Feature::Base
+
+    COMMANDS = Feature::Commander::COMMANDS
+    DEFAULT  = Feature::Commander::DEFAULT
+
     def valid?
       [1,2].include? argv.size
     end
@@ -18,9 +24,8 @@ module Feature
         pattern = "^#{argv[1]}"
       end
 
-      regexp = Regexp.new(pattern)
-
-      puts Feature::Commander.commands.select { |x| regexp.match(x.to_s) }.join("\n")
+      loader = Feature::Loader.new(COMMANDS,DEFAULT)
+      puts loader.search(pattern).join("\n")
     end
   end