Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/cute/extensions.rb

Overview

Extends the class string for supporting timespan formats

Instance Method Summary collapse

Instance Method Details

#is_i? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cute/extensions.rb', line 34

def is_i?
  /\A[-+]?\d+\z/ === self
end

#to_secs ⇒ Object 



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# File 'lib/cute/extensions.rb', line 4

def to_secs

  return Infinity if [ 'always', 'forever', 'infinitely' ].include?(self.to_s)
  parts = self.split(':').map { |x| x.to_i rescue nil }
  if parts.all? && [ 2, 3 ].include?(parts.length)
    secs = parts.zip([ 3600, 60, 1 ]).map { |x, y| x * y }.reduce(:+)
    return secs
  end
  m = /^(\d+|\d+\.\d*)\s*(\w*)?$/.match(self)
  num, unit = m.captures
  mul = case unit
        when '' then 1
        when 's' then 1
        when 'm' then 60
        when 'h' then 60 * 60
        when 'd' then 24 * 60 * 60
        else nil
        end
  raise "Unknown timespan unit: '#{unit}' in #{self}" if mul.nil?
  return num.to_f * mul
end

#to_time ⇒ Object 



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# File 'lib/cute/extensions.rb', line 26

def to_time
  secs = self.to_secs.to_i
  minutes = secs / 60; secs %= 60
  hours = minutes / 60; minutes %= 60
  minutes += 1 if secs > 0
  return '%.02d:%.02d' % [ hours, minutes ]
end