class Utils::ConfigFile

def classify(&block)
  if block
    @classify = Classify.new(&block)
  end
  @classify ||= Classify.new
end

def code_comment(&block)
  if block
    @code_comment = CodeComment.new(&block)
  end
  @code_comment ||= CodeComment.new
end

def code_indexer(&block)
  if block
    @code_indexer = CodeIndexer.new(&block)
  end
  @code_indexer ||= CodeIndexer.new
end

def configure_from_paths(paths = self.class.config_file_paths)
  for config_file_path in paths
    parse_config_file config_file_path
  end
end

def discover(&block)
  if block
    @discover = Discover.new(&block)
  end
  @discover ||= Discover.new
end

def edit(&block)
  if block
    @edit = Edit.new(&block)
  end
  @edit ||= Edit.new
end

def initialize
end

def parse(source)
  interpret_with_binding source, binding
  self
end

def parse_config_file(config_file_path)
  config_file_path = File.expand_path(config_file_path)
  File.open(config_file_path) do |cf|
    parse cf.read
  end
  self
rescue SystemCallError => e
  $DEBUG and warn "Couldn't read config file "\
    "#{config_file_path.inspect}: #{e.class} #{e}"
  return nil
end

def probe(&block)
  if block
    @probe = Probe.new(&block)
  end
  @probe ||= Probe.new
end

def search(&block)
  if block
    @search = Search.new(&block)
  end
  @search ||= Search.new
end

def ssh_tunnel(&block)
  if block
    @ssh_tunnel = SshTunnel.new(&block)
  end
  @ssh_tunnel ||= SshTunnel.new
end

def strip_spaces(&block)
  if block
    @strip_spaces = StripSpaces.new(&block)
  end
  @strip_spaces ||= StripSpaces.new
end

def sync_dir(&block)
  if block
    @sync_dir = SyncDir.new(&block)
  end
  @sync_dir ||= SyncDir.new
end

def to_ruby
  result = "# vim: set ft=ruby:\n"
  for bc in %w[search discover strip_spaces probe ssh_tunnel edit classify]
    result << "\n" << __send__(bc).to_ruby
  end
  result
end