Class: Monetize::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/monetize/parser.rb

Constant Summary collapse

CURRENCY_SYMBOLS = 
{
  '$'  => 'USD',
  '€'  => 'EUR',
  '£'  => 'GBP',
  '₤'  => 'GBP',
  'R$' => 'BRL',
  'RM' => 'MYR',
  'Rp' => 'IDR',
  'R'  => 'ZAR',
  '¥'  => 'JPY',
  'C$' => 'CAD',
  '₼'  => 'AZN',
  '元' => 'CNY',
  'Kč' => 'CZK',
  'Ft' => 'HUF',
  '₹'  => 'INR',
  '₽'  => 'RUB',
  '₺'  => 'TRY',
  '₴'  => 'UAH',
  'Fr' => 'CHF',
  'zł' => 'PLN',
  '₸'  => 'KZT',
  "₩"  => 'KRW',
  'S$' => 'SGD',
  'HK$'=> 'HKD',
  'NT$'=> 'TWD',
  '₱'  => 'PHP',
}
CURRENCY_SYMBOL_REGEX = 
/(?<![A-Z])(#{CURRENCY_SYMBOLS.keys.map { |key| Regexp.escape(key) }.join('|')})(?![A-Z])/i
MULTIPLIER_SUFFIXES = 
{ 'K' => 3, 'M' => 6, 'B' => 9, 'T' => 12 }
MULTIPLIER_REGEXP = 
Regexp.new(format('^(.*?\d)(%s)\b([^\d]*)$', MULTIPLIER_SUFFIXES.keys.join('|')), 'i')
DEFAULT_DECIMAL_MARK = 
'.'.freeze

Instance Method Summary collapse

Constructor Details

#initialize(input, fallback_currency = Money.default_currency, options = {}) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/monetize/parser.rb', line 41

def initialize(input, fallback_currency = Money.default_currency, options = {})
  @input = input.to_s.strip
  @fallback_currency = fallback_currency
  @options = options
end

Instance Method Details

#parse ⇒ Object 



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# File 'lib/monetize/parser.rb', line 47

def parse
  multiplier_exp, input = extract_multiplier

  num = input.gsub(/(?:^#{currency.symbol}|[^\d.,'-]+)/, '')

  negative, num = extract_sign(num)

  amount = to_big_decimal(normalize_number(num))
  amount = apply_multiplier(multiplier_exp, amount)
  amount = apply_sign(negative, amount)

  [amount, currency]
end