Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/human_size_to_number/helper.rb

Defined Under Namespace

Classes: InvalidSizeStringError

Instance Method Summary collapse

Instance Method Details

#human_size_to_number(options = {}) ⇒ Object 



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# File 'lib/human_size_to_number/helper.rb', line 12

def human_size_to_number(options={})
  size, unit = self.scan(/(\d*\.?\d+)\s?(Bytes?|KB|MB|GB|TB)/).first
  number = begin
    Float(size)
  rescue ArgumentError, TypeError
    if options[:raise]
      raise InvalidSizeStringError, size
    else
      return size
    end
  end
  number = case unit
  when "Byte", "Bytes"
    number
  when "KB"
    number * 1024
  when "MB"
    number * 1024 * 1024
  when "GB"
    number * 1024 * 1024 * 1024
  when "TB"
    number * 1024 * 1024 * 1024 * 1024
  end
  number.round
end