Class: Humanized::Parser::NumericClass

Inherits:
Humanized::Parser show all
Defined in:
lib/more/humanized/parser/numeric.rb

Constant Summary

Constants inherited from Humanized::Parser

Numeric

Instance Method Summary collapse

Instance Method Details

#parse(string, options) ⇒ Object 



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# File 'lib/more/humanized/parser/numeric.rb', line 24

def parse(string, options)
  
  humanizer = options[:humanizer]
  if options.key? :default
    scope = [:numeric, :format]._[options[:format], :default]
  else
    scope = [:numeric, :format, :default]._
  end
  
  separator = humanizer.get(scope.separator)
  delimiter = humanizer.get(scope.delimiter)
  pedantic = options.fetch(:pedantic, false)
  
  result = Result.new(string, options)
  
  
  if pedantic
    regexp = Regexp.new([
        '^(-?)(\d{1,3}(?:',
        Regexp.escape(separator),
        '\d{3})?)(',
        Regexp.escape(delimiter),
        '(\d+))?$'
      ].join)
  else
    regexp = Regexp.new([
        '^(-?)([\d',
        Regexp.escape(separator),
        ']+)(',
        Regexp.escape(delimiter),
        '(\d+))?$'
      ].join)
  end
  
  m = regexp.match(string)
  
  if m.nil?
    return result
  end
  
  result.emit( BigDecimal( [ m[1], m[2].gsub(separator,''),  '.', m[4] ].join ), :precision => (m[4] ? m[4].length : 0) )
  
  return result
  
end

#provides ⇒ Object 



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# File 'lib/more/humanized/parser/numeric.rb', line 70

def provides
  return [:numeric]
end