Ehon

Ehon is a simple enum library.

Installation

Add this line to your application's Gemfile:

gem 'ehon'

And then execute:

$ bundle

Or install it yourself as:

$ gem install ehon

Usage

You can create your enum class easily.

class DeviceType
  include Ehon

  default user_agent_regexp: //

  UNKNOWN = enum 0, name: 'unknown'
  IOS     = enum 1, name: 'iOS',     user_agent_regexp: /(iPhone|iPad|iPod)/
  ANDROID = enum 2, name: 'Android', user_agent_regexp: /Android/
end

Using DeviceType class.

DeviceType::IOS.id #=> 1
DeviceType::ANDROID.user_agent_regexp #=> /Android/

Finding.

DeviceType[1, 2] #=> [#<DeviceType:...(iOS)>, #<DeviceType:...(Android)>]
DeviceType.find(name: 'iOS') #=> #<DeviceType:...(iOS)>

Custom method.

class DeviceType
  %w[iOS Android unknown].each do |name|
    define_method :"#{name.downcase}?" do
      self.name == name
    end
  end
end

DeviceTypel::IOS.ios? #=> true
DeviceTypel::IOS.android? #=> false

Contributing

1. Fork it ( http://github.com/hekk/ehon/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request