Autoload the util classes. HashWithIndifferentAccess for data store

lib/vagrant.rb

@@ -2,7 +2,6 @@ require 'json'
 require 'i18n'
 require 'virtualbox'
 require 'radar'
-require 'vagrant/util/glob_loader'
 
 module Vagrant
   # TODO: Move more classes over to the autoload model. We'll
@@ -12,6 +11,7 @@ module Vagrant
   autoload :Config,    'vagrant/config'
   autoload :DataStore, 'vagrant/data_store'
   autoload :Errors,    'vagrant/errors'
+  autoload :Util,      'vagrant/util'
 
   module Command
     autoload :Base,      'vagrant/command/base'
@@ -41,7 +41,7 @@ I18n.load_path << File.expand_path("templates/locales/en.yml", Vagrant.source_ro
 # Load them up. One day we'll convert this to autoloads. Today
 # is not that day. Low hanging fruit for anyone wishing to do it.
 libdir = File.expand_path("lib/vagrant", Vagrant.source_root)
-Vagrant::GlobLoader.glob_require(libdir, %w{util/stacked_proc_runner
+Vagrant::Util::GlobLoader.glob_require(libdir, %w{
   downloaders/base provisioners/base provisioners/chef systems/base
   hosts/base})
 

lib/vagrant/util.rb

@@ -0,0 +1,12 @@
+module Vagrant
+  module Util
+    autoload :Busy,                      'vagrant/util/busy'
+    autoload :GlobLoader,                'vagrant/util/glob_loader'
+    autoload :HashWithIndifferentAccess, 'vagrant/util/hash_with_indifferent_access'
+    autoload :PlainLogger,               'vagrant/util/plain_logger'
+    autoload :Platform,                  'vagrant/util/platform'
+    autoload :ResourceLogger,            'vagrant/util/resource_logger'
+    autoload :StackedProcRunner,         'vagrant/util/stacked_proc_runner'
+    autoload :TemplateRenderer,          'vagrant/util/template_renderer'
+  end
+end

lib/vagrant/util/glob_loader.rb

@@ -1,21 +1,23 @@
 module Vagrant
-  # Eases the processes of loading specific files then globbing
-  # the rest from a specified directory.
-  module GlobLoader
-    # Glob requires all ruby files in a directory, optionally loading select
-    # files initially (since others may depend on them).
-    #
-    # @param [String] dir The directory to glob
-    # @param [Array<String>] initial_files Initial files (relative to `dir`)
-    #   to load
-    def self.glob_require(dir, initial_files=[])
-      initial_files.each do |file|
-        require File.expand_path(file, dir)
-      end
+  module Util
+    # Eases the processes of loading specific files then globbing
+    # the rest from a specified directory.
+    module GlobLoader
+      # Glob requires all ruby files in a directory, optionally loading select
+      # files initially (since others may depend on them).
+      #
+      # @param [String] dir The directory to glob
+      # @param [Array<String>] initial_files Initial files (relative to `dir`)
+      #   to load
+      def self.glob_require(dir, initial_files=[])
+        initial_files.each do |file|
+          require File.expand_path(file, dir)
+        end
 
-      # Glob require the rest
-      Dir[File.join(dir, "**", "*.rb")].each do |f|
-        require File.expand_path(f)
+        # Glob require the rest
+        Dir[File.join(dir, "**", "*.rb")].each do |f|
+          require File.expand_path(f)
+        end
       end
     end
   end

lib/vagrant/util/hash_with_indifferent_access.rb

@@ -0,0 +1,63 @@
+module Vagrant
+  module Util
+    # A hash with indifferent access. Mostly taken from Thor/Rails (thanks).
+    # Normally I'm not a fan of using an indifferent access hash sine Symbols
+    # are basically memory leaks in Ruby, but since Vagrant is typically a quick
+    # one-off binary run and it doesn't use too many hash keys where this is
+    # used, the effect should be minimal.
+    #
+    #   hash[:foo]  #=> 'bar'
+    #   hash['foo'] #=> 'bar'
+    #
+    class HashWithIndifferentAccess < ::Hash
+      def initialize(hash={})
+        super()
+
+        hash.each do |key, value|
+          self[convert_key(key)] = value
+        end
+      end
+
+      def [](key)
+        super(convert_key(key))
+      end
+
+      def []=(key, value)
+        super(convert_key(key), value)
+      end
+
+      def delete(key)
+        super(convert_key(key))
+      end
+
+      def values_at(*indices)
+        indices.collect { |key| self[convert_key(key)] }
+      end
+
+      def merge(other)
+        dup.merge!(other)
+      end
+
+      def merge!(other)
+        other.each do |key, value|
+          self[convert_key(key)] = value
+        end
+        self
+      end
+
+      def key?(key)
+        super(convert_key(key))
+      end
+
+      alias_method :include?, :key?
+      alias_method :has_key?, :key?
+      alias_method :member?, :key?
+
+      protected
+
+      def convert_key(key)
+        key.is_a?(Symbol) ? key.to_s : key
+      end
+    end
+  end
+end

test/vagrant/util/hash_with_indifferent_access_test.rb

@@ -0,0 +1,30 @@
+require "test_helper"
+
+class HashWithIndifferentAccessUtilTest < Test::Unit::TestCase
+  setup do
+    @klass = Vagrant::Util::HashWithIndifferentAccess
+    @instance = @klass.new
+  end
+
+  should "be a hash" do
+    assert @instance.is_a?(Hash)
+  end
+
+  should "allow indifferent access when setting with a string" do
+    @instance["foo"] = "bar"
+    assert_equal "bar", @instance[:foo]
+  end
+
+  should "allow indifferent access when setting with a symbol" do
+    @instance[:foo] = "bar"
+    assert_equal "bar", @instance["foo"]
+  end
+
+  should "allow indifferent key lookup" do
+    @instance["foo"] = "bar"
+    assert @instance.key?(:foo)
+    assert @instance.has_key?(:foo)
+    assert @instance.include?(:foo)
+    assert @instance.member?(:foo)
+  end
+end