class RubyXL::GenericStorage

def add_to_zip(zipfile)
  each_pair { |filename, data|
    zipfile.get_output_stream(File.join(@local_dir_path, filename)) { |f| f << data }
  }
end

def binary
  @mode = 'rb'
  self
end

def initialize(local_dir_path)
  @local_dir_path = local_dir_path
  @mode = 'r'
  super
end

def load_dir(root_dir)
  dirpath = File.join(root_dir, @local_dir_path)
  if File.directory?(dirpath) then
    (Dir.new(dirpath).entries - ['.', '..', '.DS_Store', '_rels']).each { |filename|
      self[filename] = File.open(File.join(dirpath, filename), @mode).read
    }
  end
  self
end

def load_file(root_dir, filename)
  filepath = File.join(root_dir, @local_dir_path, filename)
  self[filename] = File.open(filepath, @mode).read if File.readable?(filepath)
  self
end