https://github.com/RubyMoney/money
Tip revision: 077635b90b0611137456403ec635fbb5936dfe43 authored by Shane Emmons on 14 June 2011, 13:14:05 UTC
update CHANGELOG.md
update CHANGELOG.md
Tip revision: 077635b
currency.rb
# encoding: utf-8
class Money
# Represents a specific currency unit.
class Currency
include Comparable
# Thrown when an unknown currency is requested.
class UnknownCurrency < StandardError; end
# List of known currencies.
#
# == monetary unit
# The standard unit of value of a currency, as the dollar in the United States or the peso in Mexico.
# http://www.answers.com/topic/monetary-unit
# == fractional monetary unit, subunit
# A monetary unit that is valued at a fraction (usually one hundredth) of the basic monetary unit
# http://www.answers.com/topic/fractional-monetary-unit-subunit
#
# See http://en.wikipedia.org/wiki/List_of_circulating_currencies and
# http://search.cpan.org/~tnguyen/Locale-Currency-Format-1.28/Format.pm
TABLE = {
:aed => { :priority => 100, :iso_code => "AED", :name => "United Arab Emirates Dirham", :symbol => "د.إ", :subunit => "Fils", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:afn => { :priority => 100, :iso_code => "AFN", :name => "Afghan Afghani", :symbol => "؋", :subunit => "Pul", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:all => { :priority => 100, :iso_code => "ALL", :name => "Albanian Lek", :symbol => "L", :subunit => "Qintar", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:amd => { :priority => 100, :iso_code => "AMD", :name => "Armenian Dram", :symbol => "դր.", :subunit => "Luma", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:ang => { :priority => 100, :iso_code => "ANG", :name => "Netherlands Antillean Gulden", :symbol => "ƒ", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "ƒ", :decimal_mark => ",", :thousands_separator => "."},
:aoa => { :priority => 100, :iso_code => "AOA", :name => "Angolan Kwanza", :symbol => "Kz", :subunit => "Cêntimo", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:ars => { :priority => 100, :iso_code => "ARS", :name => "Argentine Peso", :symbol => "$", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₱", :decimal_mark => ",", :thousands_separator => "."},
:aud => { :priority => 4, :iso_code => "AUD", :name => "Australian Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:awg => { :priority => 100, :iso_code => "AWG", :name => "Aruban Florin", :symbol => "ƒ", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "ƒ", :decimal_mark => ".", :thousands_separator => ","},
:azn => { :priority => 100, :iso_code => "AZN", :name => "Azerbaijani Manat", :symbol => nil, :subunit => "Qəpik", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:bam => { :priority => 100, :iso_code => "BAM", :name => "Bosnia and Herzegovina Convertible Mark", :symbol => "KM or КМ", :subunit => "Fening", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:bbd => { :priority => 100, :iso_code => "BBD", :name => "Barbadian Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:bdt => { :priority => 100, :iso_code => "BDT", :name => "Bangladeshi Taka", :symbol => "৳", :subunit => "Paisa", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:bgn => { :priority => 100, :iso_code => "BGN", :name => "Bulgarian Lev", :symbol => "лв", :subunit => "Stotinka", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:bhd => { :priority => 100, :iso_code => "BHD", :name => "Bahraini Dinar", :symbol => "ب.د", :subunit => "Fils", :subunit_to_unit => 1000, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:bif => { :priority => 100, :iso_code => "BIF", :name => "Burundian Franc", :symbol => "Fr", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:bmd => { :priority => 100, :iso_code => "BMD", :name => "Bermudian Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:bnd => { :priority => 100, :iso_code => "BND", :name => "Brunei Dollar", :symbol => "$", :subunit => "Sen", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:bob => { :priority => 100, :iso_code => "BOB", :name => "Bolivian Boliviano", :symbol => "Bs.", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:brl => { :priority => 100, :iso_code => "BRL", :name => "Brazilian Real", :symbol => "R$ ", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "R\$", :decimal_mark => ",", :thousands_separator => "."},
:bsd => { :priority => 100, :iso_code => "BSD", :name => "Bahamian Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:btn => { :priority => 100, :iso_code => "BTN", :name => "Bhutanese Ngultrum", :symbol => nil, :subunit => "Chertrum", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:bwp => { :priority => 100, :iso_code => "BWP", :name => "Botswana Pula", :symbol => "P", :subunit => "Thebe", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:byr => { :priority => 100, :iso_code => "BYR", :name => "Belarusian Ruble", :symbol => "Br", :subunit => "Kapyeyka", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:bzd => { :priority => 100, :iso_code => "BZD", :name => "Belize Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:cad => { :priority => 5, :iso_code => "CAD", :name => "Canadian Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:cdf => { :priority => 100, :iso_code => "CDF", :name => "Congolese Franc", :symbol => "Fr", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:chf => { :priority => 100, :iso_code => "CHF", :name => "Swiss Franc", :symbol => "Fr", :subunit => "Rappen", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:clp => { :priority => 100, :iso_code => "CLP", :name => "Chilean Peso", :symbol => "$", :subunit => "Peso", :subunit_to_unit => 1, :symbol_first => true, :html_entity => "₱", :decimal_mark => ",", :thousands_separator => "."},
:cny => { :priority => 100, :iso_code => "CNY", :name => "Chinese Renminbi Yuan", :symbol => "¥", :subunit => "Fen", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "圓", :decimal_mark => ".", :thousands_separator => ","},
:cop => { :priority => 100, :iso_code => "COP", :name => "Colombian Peso", :symbol => "$", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₱", :decimal_mark => ",", :thousands_separator => "."},
:crc => { :priority => 100, :iso_code => "CRC", :name => "Costa Rican Colón", :symbol => "₡", :subunit => "Céntimo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₡", :decimal_mark => ",", :thousands_separator => "."},
:cuc => { :priority => 100, :iso_code => "CUC", :name => "Cuban Convertible Peso", :symbol => "$", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:cup => { :priority => 100, :iso_code => "CUP", :name => "Cuban Peso", :symbol => "$", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₱", :decimal_mark => ".", :thousands_separator => ","},
:cve => { :priority => 100, :iso_code => "CVE", :name => "Cape Verdean Escudo", :symbol => "$ or Esc", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:czk => { :priority => 100, :iso_code => "CZK", :name => "Czech Koruna", :symbol => "Kč", :subunit => "Haléř", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ",", :thousands_separator => "."},
:djf => { :priority => 100, :iso_code => "DJF", :name => "Djiboutian Franc", :symbol => "Fr", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:dkk => { :priority => 100, :iso_code => "DKK", :name => "Danish Krone", :symbol => "kr", :subunit => "Øre", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ",", :thousands_separator => "."},
:dop => { :priority => 100, :iso_code => "DOP", :name => "Dominican Peso", :symbol => "$", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₱", :decimal_mark => ".", :thousands_separator => ","},
:dzd => { :priority => 100, :iso_code => "DZD", :name => "Algerian Dinar", :symbol => "د.ج", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:eek => { :priority => 100, :iso_code => "EEK", :name => "Estonian Kroon", :symbol => "KR", :subunit => "Sent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:egp => { :priority => 100, :iso_code => "EGP", :name => "Egyptian Pound", :symbol => "£ or ج.م", :subunit => "Piastre", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "£", :decimal_mark => ".", :thousands_separator => ","},
:ern => { :priority => 100, :iso_code => "ERN", :name => "Eritrean Nakfa", :symbol => "Nfk", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:etb => { :priority => 100, :iso_code => "ETB", :name => "Ethiopian Birr", :symbol => nil, :subunit => "Santim", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:eur => { :priority => 2, :iso_code => "EUR", :name => "Euro", :symbol => "€", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "€", :decimal_mark => ",", :thousands_separator => "."},
:fjd => { :priority => 100, :iso_code => "FJD", :name => "Fijian Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:fkp => { :priority => 100, :iso_code => "FKP", :name => "Falkland Pound", :symbol => "£", :subunit => "Penny", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "£", :decimal_mark => ".", :thousands_separator => ","},
:gbp => { :priority => 3, :iso_code => "GBP", :name => "British Pound", :symbol => "£", :subunit => "Penny", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "£", :decimal_mark => ".", :thousands_separator => ","},
:gel => { :priority => 100, :iso_code => "GEL", :name => "Georgian Lari", :symbol => "ლ", :subunit => "Tetri", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:ghs => { :priority => 100, :iso_code => "GHS", :name => "Ghanaian Cedi", :symbol => "₵", :subunit => "Pesewa", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₵", :decimal_mark => ".", :thousands_separator => ","},
:gip => { :priority => 100, :iso_code => "GIP", :name => "Gibraltar Pound", :symbol => "£", :subunit => "Penny", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "£", :decimal_mark => ".", :thousands_separator => ","},
:gmd => { :priority => 100, :iso_code => "GMD", :name => "Gambian Dalasi", :symbol => "D", :subunit => "Butut", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:gnf => { :priority => 100, :iso_code => "GNF", :name => "Guinean Franc", :symbol => "Fr", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:gtq => { :priority => 100, :iso_code => "GTQ", :name => "Guatemalan Quetzal", :symbol => "Q", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:gyd => { :priority => 100, :iso_code => "GYD", :name => "Guyanese Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:hkd => { :priority => 100, :iso_code => "HKD", :name => "Hong Kong Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:hnl => { :priority => 100, :iso_code => "HNL", :name => "Honduran Lempira", :symbol => "L", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:hrk => { :priority => 100, :iso_code => "HRK", :name => "Croatian Kuna", :symbol => "kn", :subunit => "Lipa", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ",", :thousands_separator => "."},
:htg => { :priority => 100, :iso_code => "HTG", :name => "Haitian Gourde", :symbol => "G", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:huf => { :priority => 100, :iso_code => "HUF", :name => "Hungarian Forint", :symbol => "Ft", :subunit => "Fillér", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ",", :thousands_separator => "."},
:idr => { :priority => 100, :iso_code => "IDR", :name => "Indonesian Rupiah", :symbol => "Rp", :subunit => "Sen", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ",", :thousands_separator => "."},
:ils => { :priority => 100, :iso_code => "ILS", :name => "Israeli New Sheqel", :symbol => "₪", :subunit => "Agora", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₪", :decimal_mark => ".", :thousands_separator => ","},
:inr => { :priority => 100, :iso_code => "INR", :name => "Indian Rupee", :symbol => "₨", :subunit => "Paisa", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₨", :decimal_mark => ".", :thousands_separator => ","},
:iqd => { :priority => 100, :iso_code => "IQD", :name => "Iraqi Dinar", :symbol => "ع.د", :subunit => "Fils", :subunit_to_unit => 1000, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:irr => { :priority => 100, :iso_code => "IRR", :name => "Iranian Rial", :symbol => "﷼", :subunit => "Dinar", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "﷼", :decimal_mark => ".", :thousands_separator => ","},
:isk => { :priority => 100, :iso_code => "ISK", :name => "Icelandic Króna", :symbol => "kr", :subunit => "Eyrir", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ",", :thousands_separator => "."},
:jmd => { :priority => 100, :iso_code => "JMD", :name => "Jamaican Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:jod => { :priority => 100, :iso_code => "JOD", :name => "Jordanian Dinar", :symbol => "د.ا", :subunit => "Piastre", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:jpy => { :priority => 6, :iso_code => "JPY", :name => "Japanese Yen", :symbol => "¥", :subunit => "Sen", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "¥", :decimal_mark => ".", :thousands_separator => ","},
:kes => { :priority => 100, :iso_code => "KES", :name => "Kenyan Shilling", :symbol => "Sh", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:kgs => { :priority => 100, :iso_code => "KGS", :name => "Kyrgyzstani Som", :symbol => nil, :subunit => "Tyiyn", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:khr => { :priority => 100, :iso_code => "KHR", :name => "Cambodian Riel", :symbol => "៛", :subunit => "Sen", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "៛", :decimal_mark => ".", :thousands_separator => ","},
:kmf => { :priority => 100, :iso_code => "KMF", :name => "Comorian Franc", :symbol => "Fr", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:kpw => { :priority => 100, :iso_code => "KPW", :name => "North Korean Won", :symbol => "₩", :subunit => "Chŏn", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "₩", :decimal_mark => ".", :thousands_separator => ","},
:krw => { :priority => 100, :iso_code => "KRW", :name => "South Korean Won", :symbol => "₩", :subunit => "Jeon", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₩", :decimal_mark => ".", :thousands_separator => ","},
:kwd => { :priority => 100, :iso_code => "KWD", :name => "Kuwaiti Dinar", :symbol => "د.ك", :subunit => "Fils", :subunit_to_unit => 1000, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:kyd => { :priority => 100, :iso_code => "KYD", :name => "Cayman Islands Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:kzt => { :priority => 100, :iso_code => "KZT", :name => "Kazakhstani Tenge", :symbol => "〒", :subunit => "Tiyn", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:lak => { :priority => 100, :iso_code => "LAK", :name => "Lao Kip", :symbol => "₭", :subunit => "Att", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "₭", :decimal_mark => ".", :thousands_separator => ","},
:lbp => { :priority => 100, :iso_code => "LBP", :name => "Lebanese Lira", :symbol => "ل.ل", :subunit => "Piastre", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "£", :decimal_mark => ".", :thousands_separator => ","},
:lkr => { :priority => 100, :iso_code => "LKR", :name => "Sri Lankan Rupee", :symbol => "₨", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "௹", :decimal_mark => ".", :thousands_separator => ","},
:lrd => { :priority => 100, :iso_code => "LRD", :name => "Liberian Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:lsl => { :priority => 100, :iso_code => "LSL", :name => "Lesotho Loti", :symbol => "L", :subunit => "Sente", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:ltl => { :priority => 100, :iso_code => "LTL", :name => "Lithuanian Litas", :symbol => "Lt", :subunit => "Centas", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:lvl => { :priority => 100, :iso_code => "LVL", :name => "Latvian Lats", :symbol => "Ls", :subunit => "Santīms", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:lyd => { :priority => 100, :iso_code => "LYD", :name => "Libyan Dinar", :symbol => "ل.د", :subunit => "Dirham", :subunit_to_unit => 1000, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:mad => { :priority => 100, :iso_code => "MAD", :name => "Moroccan Dirham", :symbol => "د.م.", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:mdl => { :priority => 100, :iso_code => "MDL", :name => "Moldovan Leu", :symbol => "L", :subunit => "Ban", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:mga => { :priority => 100, :iso_code => "MGA", :name => "Malagasy Ariary", :symbol => nil, :subunit => "Iraimbilanja", :subunit_to_unit => 5, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:mkd => { :priority => 100, :iso_code => "MKD", :name => "Macedonian Denar", :symbol => "ден", :subunit => "Deni", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:mmk => { :priority => 100, :iso_code => "MMK", :name => "Myanmar Kyat", :symbol => "K", :subunit => "Pya", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:mnt => { :priority => 100, :iso_code => "MNT", :name => "Mongolian Tögrög", :symbol => "₮", :subunit => "Möngö", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "₮", :decimal_mark => ".", :thousands_separator => ","},
:mop => { :priority => 100, :iso_code => "MOP", :name => "Macanese Pataca", :symbol => "P", :subunit => "Avo", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:mro => { :priority => 100, :iso_code => "MRO", :name => "Mauritanian Ouguiya", :symbol => "UM", :subunit => "Khoums", :subunit_to_unit => 5, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:mur => { :priority => 100, :iso_code => "MUR", :name => "Mauritian Rupee", :symbol => "₨", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₨", :decimal_mark => ".", :thousands_separator => ","},
:mvr => { :priority => 100, :iso_code => "MVR", :name => "Maldivian Rufiyaa", :symbol => "ރ.", :subunit => "Laari", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:mwk => { :priority => 100, :iso_code => "MWK", :name => "Malawian Kwacha", :symbol => "MK", :subunit => "Tambala", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:mxn => { :priority => 100, :iso_code => "MXN", :name => "Mexican Peso", :symbol => "$", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:myr => { :priority => 100, :iso_code => "MYR", :name => "Malaysian Ringgit", :symbol => "RM", :subunit => "Sen", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:mzn => { :priority => 100, :iso_code => "MZN", :name => "Mozambican Metical", :symbol => "MTn", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ",", :thousands_separator => "."},
:nad => { :priority => 100, :iso_code => "NAD", :name => "Namibian Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:ngn => { :priority => 100, :iso_code => "NGN", :name => "Nigerian Naira", :symbol => "₦", :subunit => "Kobo", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "₦", :decimal_mark => ".", :thousands_separator => ","},
:nio => { :priority => 100, :iso_code => "NIO", :name => "Nicaraguan Córdoba", :symbol => "C$", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:nok => { :priority => 100, :iso_code => "NOK", :name => "Norwegian Krone", :symbol => "kr", :subunit => "Øre", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "kr", :decimal_mark => ",", :thousands_separator => "."},
:npr => { :priority => 100, :iso_code => "NPR", :name => "Nepalese Rupee", :symbol => "₨", :subunit => "Paisa", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₨", :decimal_mark => ".", :thousands_separator => ","},
:nzd => { :priority => 100, :iso_code => "NZD", :name => "New Zealand Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:omr => { :priority => 100, :iso_code => "OMR", :name => "Omani Rial", :symbol => "ر.ع.", :subunit => "Baisa", :subunit_to_unit => 1000, :symbol_first => true, :html_entity => "﷼", :decimal_mark => ".", :thousands_separator => ","},
:pab => { :priority => 100, :iso_code => "PAB", :name => "Panamanian Balboa", :symbol => "B/.", :subunit => "Centésimo", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:pen => { :priority => 100, :iso_code => "PEN", :name => "Peruvian Nuevo Sol", :symbol => "S/.", :subunit => "Céntimo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "S/.", :decimal_mark => ".", :thousands_separator => ","},
:pgk => { :priority => 100, :iso_code => "PGK", :name => "Papua New Guinean Kina", :symbol => "K", :subunit => "Toea", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:php => { :priority => 100, :iso_code => "PHP", :name => "Philippine Peso", :symbol => "₱", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "₱", :decimal_mark => ".", :thousands_separator => ","},
:pkr => { :priority => 100, :iso_code => "PKR", :name => "Pakistani Rupee", :symbol => "₨", :subunit => "Paisa", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₨", :decimal_mark => ".", :thousands_separator => ","},
:pln => { :priority => 100, :iso_code => "PLN", :name => "Polish Złoty", :symbol => "zł", :subunit => "Grosz", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:pyg => { :priority => 100, :iso_code => "PYG", :name => "Paraguayan Guaraní", :symbol => "₲", :subunit => "Céntimo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₲", :decimal_mark => ".", :thousands_separator => ","},
:qar => { :priority => 100, :iso_code => "QAR", :name => "Qatari Riyal", :symbol => "ر.ق", :subunit => "Dirham", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "﷼", :decimal_mark => ".", :thousands_separator => ","},
:ron => { :priority => 100, :iso_code => "RON", :name => "Romanian Leu", :symbol => "L", :subunit => "Ban", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ",", :thousands_separator => "."},
:rsd => { :priority => 100, :iso_code => "RSD", :name => "Serbian Dinar", :symbol => "din. or дин.", :subunit => "Para", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:rub => { :priority => 100, :iso_code => "RUB", :name => "Russian Ruble", :symbol => "р.", :subunit => "Kopek", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "руб", :decimal_mark => ",", :thousands_separator => "."},
:rwf => { :priority => 100, :iso_code => "RWF", :name => "Rwandan Franc", :symbol => "Fr", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:sar => { :priority => 100, :iso_code => "SAR", :name => "Saudi Riyal", :symbol => "ر.س", :subunit => "Hallallah", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "﷼", :decimal_mark => ".", :thousands_separator => ","},
:sbd => { :priority => 100, :iso_code => "SBD", :name => "Solomon Islands Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:scr => { :priority => 100, :iso_code => "SCR", :name => "Seychellois Rupee", :symbol => "₨", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "₨", :decimal_mark => ".", :thousands_separator => ","},
:sdg => { :priority => 100, :iso_code => "SDG", :name => "Sudanese Pound", :symbol => "£", :subunit => "Piastre", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:sek => { :priority => 100, :iso_code => "SEK", :name => "Swedish Krona", :symbol => "kr", :subunit => "Öre", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:sgd => { :priority => 100, :iso_code => "SGD", :name => "Singapore Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:shp => { :priority => 100, :iso_code => "SHP", :name => "Saint Helenian Pound", :symbol => "£", :subunit => "Penny", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "£", :decimal_mark => ".", :thousands_separator => ","},
:skk => { :priority => 100, :iso_code => "SKK", :name => "Slovak Koruna", :symbol => "Sk", :subunit => "Halier", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:sll => { :priority => 100, :iso_code => "SLL", :name => "Sierra Leonean Leone", :symbol => "Le", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:sos => { :priority => 100, :iso_code => "SOS", :name => "Somali Shilling", :symbol => "Sh", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:srd => { :priority => 100, :iso_code => "SRD", :name => "Surinamese Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:std => { :priority => 100, :iso_code => "STD", :name => "São Tomé and Príncipe Dobra", :symbol => "Db", :subunit => "Cêntimo", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:svc => { :priority => 100, :iso_code => "SVC", :name => "Salvadoran Colón", :symbol => "₡", :subunit => "Centavo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₡", :decimal_mark => ".", :thousands_separator => ","},
:syp => { :priority => 100, :iso_code => "SYP", :name => "Syrian Pound", :symbol => "£ or ل.س", :subunit => "Piastre", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "£", :decimal_mark => ".", :thousands_separator => ","},
:szl => { :priority => 100, :iso_code => "SZL", :name => "Swazi Lilangeni", :symbol => "L", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:thb => { :priority => 100, :iso_code => "THB", :name => "Thai Baht", :symbol => "฿", :subunit => "Satang", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "฿", :decimal_mark => ".", :thousands_separator => ","},
:tjs => { :priority => 100, :iso_code => "TJS", :name => "Tajikistani Somoni", :symbol => "ЅМ", :subunit => "Diram", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:tmm => { :priority => 100, :iso_code => "TMM", :name => "Turkmenistani Manat", :symbol => "m", :subunit => "Tennesi", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:tnd => { :priority => 100, :iso_code => "TND", :name => "Tunisian Dinar", :symbol => "د.ت", :subunit => "Millime", :subunit_to_unit => 1000, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:top => { :priority => 100, :iso_code => "TOP", :name => "Tongan Paʻanga", :symbol => "T$", :subunit => "Seniti", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:try => { :priority => 100, :iso_code => "TRY", :name => "Turkish Lira", :symbol => "TL", :subunit => "kuruş", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:ttd => { :priority => 100, :iso_code => "TTD", :name => "Trinidad and Tobago Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:twd => { :priority => 100, :iso_code => "TWD", :name => "New Taiwan Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:tzs => { :priority => 100, :iso_code => "TZS", :name => "Tanzanian Shilling", :symbol => "Sh", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:uah => { :priority => 100, :iso_code => "UAH", :name => "Ukrainian Hryvnia", :symbol => "₴", :subunit => "Kopiyka", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "₴", :decimal_mark => ".", :thousands_separator => ","},
:ugx => { :priority => 100, :iso_code => "UGX", :name => "Ugandan Shilling", :symbol => "Sh", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:usd => { :priority => 1, :iso_code => "USD", :name => "United States Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:uyu => { :priority => 100, :iso_code => "UYU", :name => "Uruguayan Peso", :symbol => "$", :subunit => "Centésimo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₱", :decimal_mark => ",", :thousands_separator => "."},
:uzs => { :priority => 100, :iso_code => "UZS", :name => "Uzbekistani Som", :symbol => nil, :subunit => "Tiyin", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:vef => { :priority => 100, :iso_code => "VEF", :name => "Venezuelan Bolívar", :symbol => "Bs F", :subunit => "Céntimo", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "", :decimal_mark => ",", :thousands_separator => "."},
:vnd => { :priority => 100, :iso_code => "VND", :name => "Vietnamese Đồng", :symbol => "₫", :subunit => "Hào", :subunit_to_unit => 10, :symbol_first => true, :html_entity => "₫", :decimal_mark => ",", :thousands_separator => "."},
:vuv => { :priority => 100, :iso_code => "VUV", :name => "Vanuatu Vatu", :symbol => "Vt", :subunit => nil, :subunit_to_unit => 1, :symbol_first => true, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:wst => { :priority => 100, :iso_code => "WST", :name => "Samoan Tala", :symbol => "T", :subunit => "Sene", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:xaf => { :priority => 100, :iso_code => "XAF", :name => "Central African Cfa Franc", :symbol => "Fr", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:xcd => { :priority => 100, :iso_code => "XCD", :name => "East Caribbean Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
:xof => { :priority => 100, :iso_code => "XOF", :name => "West African Cfa Franc", :symbol => "Fr", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:xpf => { :priority => 100, :iso_code => "XPF", :name => "Cfp Franc", :symbol => "Fr", :subunit => "Centime", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:yer => { :priority => 100, :iso_code => "YER", :name => "Yemeni Rial", :symbol => "﷼", :subunit => "Fils", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "﷼", :decimal_mark => ".", :thousands_separator => ","},
:zar => { :priority => 100, :iso_code => "ZAR", :name => "South African Rand", :symbol => "R", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "R", :decimal_mark => ".", :thousands_separator => ","},
:zmk => { :priority => 100, :iso_code => "ZMK", :name => "Zambian Kwacha", :symbol => "ZK", :subunit => "Ngwee", :subunit_to_unit => 100, :symbol_first => false, :html_entity => "", :decimal_mark => ".", :thousands_separator => ","},
:zwd => { :priority => 100, :iso_code => "ZWD", :name => "Zimbabwean Dollar", :symbol => "$", :subunit => "Cent", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "$", :decimal_mark => ".", :thousands_separator => ","},
# aliases for BC with documentation before Currency
:yen => { :priority => 100, :iso_code => "JPY", :name => "Japanese Yen", :symbol => "¥", :subunit => "Sen", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "¥", :decimal_mark => ".", :thousands_separator => ","},
# kept for backwards compatibility, real entry is :ghs
:ghc => { :priority => 100, :iso_code => "GHS", :name => "Ghanaian Cedi", :symbol => "₵", :subunit => "Pesewa", :subunit_to_unit => 100, :symbol_first => true, :html_entity => "₵", :decimal_mark => ".", :thousands_separator => "," }
}
# The symbol used to identify the currency, usually the lowercase
# +iso_code+ attribute.
#
# @return [Symbol]
attr_reader :id
# A numerical value you can use to sort/group the currency list.
#
# @return [Integer]
attr_reader :priority
# The international 3-letter code as defined by the ISO 4217 standard.
#
# @return [String]
attr_reader :iso_code
# The currency name.
#
# @return [String]
attr_reader :name
# The currency symbol (UTF-8 encoded).
#
# @return [String]
attr_reader :symbol
# The html entity for the currency symbol
#
# @return [String]
attr_reader :html_entity
# The name of the fractional monetary unit.
#
# @return [String]
attr_reader :subunit
# The proportion between the unit and the subunit
#
# @return [Integer]
attr_reader :subunit_to_unit
# The decimal mark, or character used to separate the whole unit from the subunit.
#
# @return [String]
attr_reader :decimal_mark
alias :separator :decimal_mark
# The character used to separate thousands grouping of the whole unit.
#
# @return [String]
attr_reader :thousands_separator
alias :delimiter :thousands_separator
# Should the currency symbol precede the amount, or should it come after?
#
# @return [boolean]
attr_reader :symbol_first
def symbol_first?
!!@symbol_first
end
# The number of decimal places needed.
#
# @return [Integer]
def decimal_places
if subunit_to_unit == 1
0
elsif subunit_to_unit % 10 == 0
Math.log10(subunit_to_unit).to_s.to_i
else
Math.log10(subunit_to_unit).to_s.to_i+1
end
end
# Create a new +Currency+ object.
#
# @param [String, Symbol, #to_s] id Used to look into +TABLE+ and retrieve
# the applicable attributes.
#
# @return [Money::Currency]
#
# @example
# Money::Currency.new(:usd) #=> #<Money::Currency id: usd ...>
def initialize(id)
@id = id.to_s.downcase.to_sym
data = TABLE[@id] || raise(UnknownCurrency, "Unknown currency `#{id}'")
data.each_pair do |key, value|
instance_variable_set(:"@#{key}", value)
end
end
# Compares +self+ with +other_currency+ against the value of +priority+
# attribute.
#
# @param [Money::Currency] other_currency The currency to compare to.
#
# @return [-1,0,1] -1 if less than, 0 is equal to, 1 if greater than
#
# @example
# c1 = Money::Currency.new(:usd)
# c2 = Money::Currency.new(:jpy)
# c1 <=> c2 #=> 1
# c2 <=> c1 #=> -1
# c1 <=> c1 #=> 0
def <=>(other_currency)
self.priority <=> other_currency.priority
end
# Compares +self+ with +other_currency+ and returns +true+ if the are the
# same or if their +id+ attributes match.
#
# @param [Money::Currency] other_currency The currency to compare to.
#
# @return [Boolean]
#
# @example
# c1 = Money::Currency.new(:usd)
# c2 = Money::Currency.new(:jpy)
# c1 == c1 #=> true
# c1 == c2 #=> false
def ==(other_currency)
self.equal?(other_currency) ||
self.id == other_currency.id
end
# Compares +self+ with +other_currency+ and returns +true+ if the are the
# same or if their +id+ attributes match.
#
# @param [Money::Currency] other_currency The currency to compare to.
#
# @return [Boolean]
#
# @example
# c1 = Money::Currency.new(:usd)
# c2 = Money::Currency.new(:jpy)
# c1.eql? c1 #=> true
# c1.eql? c2 #=> false
def eql?(other_currency)
self == other_currency
end
# Returns a Fixnum hash value based on the +id+ attribute in order to use
# functions like & (intersection), group_by, etc.
#
# @return [Fixnum]
#
# @example
# Money::Currency.new(:usd).hash #=> 428936
def hash
id.hash
end
# Returns a string representation corresponding to the upcase +id+
# attribute.
#
# -–
# DEV: id.to_s.upcase corresponds to iso_code but don't use ISO_CODE for consistency.
#
# @return [String]
#
# @example
# Money::Currency.new(:usd).to_s #=> "USD"
# Money::Currency.new(:eur).to_s #=> "EUR"
def to_s
id.to_s.upcase
end
# Conversation to +self+.
#
# @return [self]
def to_currency
self
end
# Returns a human readable representation.
#
# @return [String]
#
# @example
# Money::Currency.new(:usd) #=> #<Currency id: usd ...>
def inspect
"#<#{self.class.name} id: #{id}, priority: #{priority}, symbol_first: #{symbol_first}, thousands_separator: #{thousands_separator}, html_entity: #{html_entity}, decimal_mark: #{decimal_mark}, name: #{name}, symbol: #{symbol}, subunit_to_unit: #{subunit_to_unit}, iso_code: #{iso_code}, subunit: #{subunit}>"
end
# Class Methods
class << self
# Lookup a currency with given +id+ an returns a +Currency+ instance on
# success, +nil+ otherwise.
#
# @param [String, Symbol, #to_s] id Used to look into +TABLE+ and
# retrieve the applicable attributes.
#
# @return [Money::Currency]
#
# @example
# Money::Currency.find(:eur) #=> #<Money::Currency id: eur ...>
# Money::Currency.find(:foo) #=> nil
def find(id)
id = id.to_s.downcase.to_sym
new(id) if self::TABLE[id]
end
# Wraps the object in a +Currency+ unless it's already a +Currency+
# object.
#
# @param [Object] object The object to attempt and wrap as a +Currency+
# object.
#
# @return [Money::Currency]
#
# @example
# c1 = Money::Currency.new(:usd)
# Money::Currency.wrap(nil) #=> nil
# Money::Currency.wrap(c1) #=> #<Money::Currency id: usd ...>
# Money::Currency.wrap("usd") #=> #<Money::Currency id: usd ...>
def wrap(object)
if object.nil?
nil
elsif object.is_a?(Currency)
object
else
Currency.new(object)
end
end
end
end
end
