Class: KronParser
- Inherits:
-
Object
- Object
- KronParser
- Defined in:
- lib/kronparser.rb,
lib/kronparser/version.rb,
lib/kronparser/simple_process.rb
Defined Under Namespace
Modules: SimpleProcess
Constant Summary collapse
- TIME_RANGE =
{ :min => 0..59, :hour => 0..23, :day => 1..31, :mon => 1..12, :wday => 0..6, }
- MONTH_LAST_DATE =
{ 1 => 31, 2 => 29, 3 => 31, 4 => 30, 5 => 31, 6 => 30, 7 => 31, 8 => 31, 9 => 30, 10 => 31, 11 => 30, 12 => 31 }
- VERSION =
"0.0.2"
Class Method Summary collapse
Instance Method Summary collapse
-
#initialize(cron_time_format) ⇒ KronParser
constructor
A new instance of KronParser.
- #last(time = TIme.now) ⇒ Object
- #next(time = Time.now) ⇒ Object
Constructor Details
#initialize(cron_time_format) ⇒ KronParser
Returns a new instance of KronParser.
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# File 'lib/kronparser.rb', line 33 def initialize(cron_time_format) elems = cron_time_format.split raise ArgumentError.new("invalid format #{cron_time_format}") if elems.size != 5 @data = {} [:min, :hour, :day, :mon, :wday].each_with_index do |t, idx| @data[t] = parse_elem(elems[idx], TIME_RANGE[t]) end if elems[4] == "*" @day_type = :day elsif elems[2] == "*" @day_type = :wday else @day_type = :each end @is_time_exist = time_exist? end |
Class Method Details
.parse(cron_time_format) ⇒ Object
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# File 'lib/kronparser.rb', line 29 def self.parse(cron_time_format) return KronParser.new(cron_time_format) end |
Instance Method Details
#last(time = TIme.now) ⇒ Object
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# File 'lib/kronparser.rb', line 89 def last(time = TIme.now) Time.now end |
#next(time = Time.now) ⇒ Object
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# File 'lib/kronparser.rb', line 53 def next(time = Time.now) return nil unless @is_time_exist forward = 1 time_items = [:min, :hour, :day, :mon] time_data = {} time_items.each_with_index do |time_item, idx| time_data[time_item], forward = next_elem(time_item, time.send(time_item) + forward, :mon => time.mon, :year => time.year) if (forward == 1) || (time_data[time_item] != time.send(time_item)) idx.times do |i| time_data[time_items[i]] = first_elem(time_items[i], :mon => time.mon, :year => time.year) end end end time_data[:year] = time.year + forward date = nil while date.nil? date = Date.new(time_data[:year], time_data[:mon], time_data[:day]) rescue nil next if date time_data[:min] = first_elem(:min) time_data[:hour] = first_elem(:hour) time_data[:day], forward = next_elem(:day, time_data[:day] + 1, time_data) time_data[:mon], forward = next_elem(:mon, time_data[:mon] + forward) time_data[:year] += forward end return Time.local(time_data[:year], time_data[:mon], time_data[:day], time_data[:hour], time_data[:min]) end |