class Middleman::Application

def self.cache
  @_cache ||= ::Tilt::Cache.new
end

def self.helpers(*extensions, &block)
  class_eval(&block)   if block_given?
  include(*extensions) if extensions.any?
end

def self.root
  ENV['MM_ROOT'] || Dir.pwd
end

def self.root_path
  Pathname(root)
end

def _hooks
  self.class._hooks
end

def build?
  config[:environment] == :build
end

def development?
  config[:environment] == :development
end

def initialize(&block)
  # Clear the static class cache
  cache.clear
  # Setup the default values from calls to set before initialization
  self.class.config.load_settings(self.class.superclass.config.all_settings)
  if Object.const_defined?(:Encoding)
    Encoding.default_internal = config[:encoding]
    Encoding.default_external = config[:encoding]
  end
  # Evaluate a passed block if given
  instance_exec(&block) if block_given?
  config[:source] = ENV['MM_SOURCE'] if ENV['MM_SOURCE']
  super
end

def logger
  ::Middleman::Logger.singleton
end

def source_dir
  File.join(root, config[:source])
end

def to_s
  "#<Middleman::Application:0x#{object_id}>"
end