Class: XlsFunction::Converters::NumberConverter

Inherits:
Object
  • Object
show all
Defined in:
lib/xls_function/converters/number_converter.rb

Class Method Summary collapse

Class Method Details

.decimal_to_date(decimal) ⇒ Object 



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# File 'lib/xls_function/converters/number_converter.rb', line 16

def decimal_to_date(decimal)
  ::XlsFunction::Converters::DateSerialConverter.serial_to_date(decimal.fix)
end

.decimal_to_time(decimal, now: ::XlsFunction::Converters::DateSerialConverter::ORIGIN) ⇒ Object 



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# File 'lib/xls_function/converters/number_converter.rb', line 20

def decimal_to_time(decimal, now: ::XlsFunction::Converters::DateSerialConverter::ORIGIN)
  days = decimal.fix.to_i
  date = now.to_date + days
  ::XlsFunction::Converters::TimeSerialConverter.serial_to_time(decimal, date)
end

.numberable_string?(input) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xls_function/converters/number_converter.rb', line 12

def numberable_string?(input)
  input.to_s =~ /\A-?[0-9.]+\z/
end

.try_convert(input) ⇒ Object 



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# File 'lib/xls_function/converters/number_converter.rb', line 5

def try_convert(input)
  [false, nil] unless input.respond_to?(:to_d)
  [false, nil] if input.is_a?(String) && !numberable_string?(input)

  [true, input.to_d]
end