Module: CastSystem

Defined in:

lib/cast_system.rb

Constant Summary

TO =

{
  :numeric    => lambda { |v| v.to_i },
  :float      => lambda { |v| v.to_f },
  :timestamp  => lambda { |v|
    unless v.kind_of? Time
      Time.at(v.to_i)
    else
      v
    end
  },
  :boolean    => lambda { |v| 
    case v
    when "false" then false
    when "true" then true
    end
  }, 
  :regex      => lambda { |v| Regexp.new(v) },
  :string     => lambda { |v| v.to_s }
}

FROM =

{
  :numeric    => lambda { |v| FROM[:string].call v },
  :float      => lambda { |v| FROM[:string].call v },
  :timestamp  => lambda { |v| FROM[:string].call v.to_i },
  :boolean    => lambda { |v| FROM[:string].call v }, 
  :regex      => lambda { |v| FROM[:string].call v },
  :string     => lambda { |v| v.to_s }
}

Instance Method Summary

• #cast(val, type) ⇒ Object
• #uncast(val, type) ⇒ Object

Instance Method Details

#cast(val, type) ⇒ Object

# File 'lib/cast_system.rb', line 31

def cast(val, type)
  CastSystem::TO[type].call(val)
end

#uncast(val, type) ⇒ Object

# File 'lib/cast_system.rb', line 35

def uncast(val, type)
  CastSystem::FROM[type].call(val)
end