Module: Asyncron::Cron

Extended by:
Cron
Included in:
Cron
Defined in:
lib/asyncron/cron.rb

Constant Summary collapse

MINUTE = 
(0..59).to_a
HOUR = 
(0..23).to_a
MONTHDAY = 
(1..31).to_a
MONTH = 
(1..12).to_a
WEEKDAY = 
(1..7).to_a
YEAR = 
(1900..3000).to_a
POSITION = 
%w(minute hour monthday month weekday year)

Instance Method Summary collapse

Instance Method Details

#parse(expr) ⇒ Object 



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# File 'lib/asyncron/cron.rb', line 16

def parse(expr)
  expr.split(/[\s\t]+/).map.with_index { |e, i| transform(i, e) }
end

#transform(pos, value) ⇒ Object 



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# File 'lib/asyncron/cron.rb', line 24

def transform(pos, value)
  unless validate(value)
    raise ArgumentError.new("invalid format for #{POSITION[pos]}")
  end
  return divide(value) do |no_divide|
    range = single_num(no_divide) || extend_asterisk(pos, value)
    next range if range
    next filter(expand(pos), value)
  end
end

#validate(value) ⇒ Object 



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# File 'lib/asyncron/cron.rb', line 20

def validate(value)
  value =~ /^((\d+(-\d+)?(,\d+(-\d+)?)*)(\/\d+)?|\*(\/\d+)?)$/
end