Class: MMGeoip::Regions

Inherits:
Object
  • Object
show all
Defined in:
lib/mm_geoip/region.rb

Class Method Summary collapse

Class Method Details

.[](country_key) ⇒ Object

Memoization and convinience for #parse.



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# File 'lib/mm_geoip/region.rb', line 5

def [](country_key)
  @regions_hash ||= parse
  @regions_hash[country_key.to_sym]
end

.parse ⇒ Object

Parse the included regions file. It contains both, the ISO 3166-2 Subcountry codes for Canada and the US and the FIPS 10-4 Subcountry codes for the rest of the world. www.maxmind.com/app/iso3166_2 www.maxmind.com/app/fips10_4)



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# File 'lib/mm_geoip/region.rb', line 16

def parse
  regions_hash = {}
  File.open(File.join(MMGeoip::data_path, 'fips_and_3166_2.txt')).each_line do |line|
    line_parts = line.split(',')
    country, area, area_name = line_parts[0].to_sym, line_parts[1], line_parts[2].gsub('"','').strip
    
    regions_hash[country] ||= {}
    regions_hash[country][area] = area_name
  end
  regions_hash
end