Class: Crntb::Field

Inherits:
Object
  • Object
show all
Defined in:
lib/crntb/field.rb

Direct Known Subclasses

Command, DayOfMonth, DayOfWeek, Hour, Minute, Month

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(field) ⇒ Field

Returns a new instance of Field.



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# File 'lib/crntb/field.rb', line 11

def initialize(field)
  @field = field
end

Instance Attribute Details

#field ⇒ Object (readonly)

Returns the value of attribute field.



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# File 'lib/crntb/field.rb', line 3

def field
  @field
end

Class Method Details

.parse(field) ⇒ Object 



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# File 'lib/crntb/field.rb', line 6

def parse(field)
  self.new(field).parse
end

Instance Method Details

#every_time? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/crntb/field.rb', line 100

def every_time?
end

#expand_range(collections) ⇒ Object 



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# File 'lib/crntb/field.rb', line 79

def expand_range(collections)
  result = []
  collections.each do |collection|
    if collection.include?('-')
      min, max = collection.split('-', 2)
      for i in min..max do
        result << i
      end
    else
      result << collection
    end
  end
end

#first_to_last? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/crntb/field.rb', line 93

def first_to_last?
  field == '*'
end

#get_collection ⇒ Object 



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# File 'lib/crntb/field.rb', line 60

def get_collection

end

#get_range(value) ⇒ Object

e.g

"*/1"     => ["*", "1"]
"*/1,2-4" => ["*", "1,2-4"]



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# File 'lib/crntb/field.rb', line 67

def get_range(value)
  if value == '*'
    [field_range.first, field_range.last]
  else
    value.split('-')
  end
end

#get_step(value) ⇒ Object 



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# File 'lib/crntb/field.rb', line 75

def get_step(value)
  value.split('/')
end

#interpretation ⇒ Object

先頭文字列を処理

*/...
n...
それ以降はカンマ区切りでsplitして-はloop処理しての繰り返し



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# File 'lib/crntb/field.rb', line 25

def interpretation
  step_collections = field.split(',')
  collections = []
  step_collections.each do |step_collection|
    # /でsplitした結果
    step = get_step(step_collection)

    # /が使われてればstep[1]には分割数が来るはず, なければ1
    # 次のrange処理で使う
    if step[1] && step[1].match(/^[0-9]+$/)
      step_size = step[1].to_i
    else
      step_size = 1
    end

    # step[0] : *   => min..max
    # step[0] : n-m => n..m
    range = get_range(step[0])
    if range.length > 1
      s = range[0].to_i
      e = range[1].to_i
      s.step(e, step_size) { |r| collections << r }
    end
  end
  collections.uniq.sort
  # 曜日や月は文字列にして追加
  # そうでなければ数字を追加
  result = collections.inject '' do |res, collection|
    res += collection.to_s
    res += ", "
  end
  result.slice!(result.size - 2, 2)
  result
end

#parse ⇒ Object 



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# File 'lib/crntb/field.rb', line 15

def parse
  #return nil unless valid?
  return '*' if first_to_last?
  interpretation
end

#range_time? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/crntb/field.rb', line 97

def range_time?
end