Module: ItuCodes::Helpers

Defined in:
lib/itu_codes/helpers.rb

Constant Summary collapse

ISO2ITU = 
YAML.load_file(  File.expand_path(File.dirname(__FILE__)) + '/../data/iso_code_to_itu_country_names.yml')

Class Method Summary collapse

Class Method Details

.country_code_lookup(country_name) ⇒ Object

country name is the one used by ITU, not ISO



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# File 'lib/itu_codes/helpers.rb', line 8

def self.country_code_lookup(country_name)
  hsh   = ISO2ITU.select{|k,v| v === country_name}
  codes = ItuCodes::Helpers.keys_from_hash(hsh)

  if codes.empty?
    nil
  elsif codes.size === 1
    codes.first
  else
    codes
  end
end

.country_name_lookup(iso_code) ⇒ Object 



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# File 'lib/itu_codes/helpers.rb', line 21

def self.country_name_lookup(iso_code)
  ISO2ITU[iso_code]
end

.keys_from_hash(hsh_or_array) ⇒ Object

ruby 1.8 support, since Hash#select returns an array



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# File 'lib/itu_codes/helpers.rb', line 26

def self.keys_from_hash(hsh_or_array)
  if hsh_or_array.is_a?(Array)
    Hash[hsh_or_array]
  else
    hsh_or_array
  end.keys
end