Contents

module Conversions
  mattr_accessor :conversions
  self.conversions = {}

  def self.register(from, to, rate)
    conversions[from] ||= {}
    conversions[from][to] ||= {}
    conversions[from][to] = rate
    conversions[to] ||= {}
    conversions[to][from] ||= {}
    conversions[to][from] = 1 / rate
  end
  
  # This is ugly
  {
    :miles => {
      :kilometres => 1.609344
    },
    :kilograms => {
      :grams => 1000.0,
      :pounds => 2.20462262,
      :short_tons => 0.00110231131,
      :tons => 0.00110231131
    },
    :tons => {
      :pounds => 2000.0
    },
    :gallons => {
      :litres => 3.7854118
    },
    :cubic_feet => {
      :cubic_meters => 0.0283168466
    },
    :miles_per_gallon => {
      :kilometres_per_litre => 0.425143707
    }
  }.each do |from_unit, to_units|
    to_units.each do |to_unit, rate|
      register(from_unit, to_unit, rate)
    end
  end
end

require 'conversions/unit'
require 'conversions/ext'
require 'conversions/active_record_accessors'

Numeric.send :include, Conversions::Ext
if defined?(ActiveRecord)
  ActiveRecord::Base.send :extend, Conversions::ActiveRecordAccessors
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
seamusabshere-conversions-1.3.0	lib/conversions.rb