Class: RegexpExamples::BaseRepeater

Inherits:
Object
  • Object
show all
Defined in:
lib/regexp-examples/repeaters.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(group) ⇒ BaseRepeater

Returns a new instance of BaseRepeater.



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# File 'lib/regexp-examples/repeaters.rb', line 4

def initialize(group)
  @group = group
end

Instance Attribute Details

#group ⇒ Object (readonly)

Returns the value of attribute group.



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# File 'lib/regexp-examples/repeaters.rb', line 3

def group
  @group
end

Instance Method Details

#result(min_repeats, max_repeats) ⇒ Object 



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# File 'lib/regexp-examples/repeaters.rb', line 8

def result(min_repeats, max_repeats)
  group_results = @group.result[0 .. RegexpExamples.MaxGroupResults-1]
  results = []
  min_repeats.upto(max_repeats) do |repeats|
    if repeats.zero?
      results << [ GroupResult.new('') ]
    else
      results << RegexpExamples.permutations_of_strings(
        [group_results] * repeats
      )
    end
  end
  results.flatten.uniq
end