Class: FindMax::Services::FindMaxNumbers

Inherits:
Object
  • Object
show all
Includes:
Modules::Info
Defined in:
lib/find_max/services/find_max_numbers.rb

Instance Method Summary collapse

Methods included from Modules::Info

#error_message, #info, #result

Constructor Details

#initialize(count_max_numbers) ⇒ FindMaxNumbers

Returns a new instance of FindMaxNumbers.



7
8
9
10
 
# File 'lib/find_max/services/find_max_numbers.rb', line 7

def initialize(count_max_numbers)
  @count_max_numbers = count_max_numbers
  @count_max_numbers_negative = -(@count_max_numbers)
end

Instance Method Details

#execute ⇒ Object 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
 
# File 'lib/find_max/services/find_max_numbers.rb', line 12

def execute

  if $stdin.tty?
    return nil
  end

  @sets_max_numbers = Immutable::SortedSet.new
  numbers = []
  numbers_length = 0
  length = 0
  $stdin.each(' ') do |i|

    number = i.to_i
    if numbers_length == 255
      numbers_length = 0
    else
      numbers_length += 1
      numbers << number
      next
    end

    add_numbers_to_set(numbers, length)
    length = @sets_max_numbers.length
    if (@count_max_numbers < length)
      @sets_max_numbers = @sets_max_numbers[@count_max_numbers_negative..-1]
    end
    numbers = []
  end

  add_numbers_to_set(numbers, length)
  length = @sets_max_numbers.length
  if (@count_max_numbers < length)
    @sets_max_numbers = @sets_max_numbers[@count_max_numbers_negative..-1]
  end

  @sets_max_numbers.to_a
rescue Exception => e
  error_message(e.message)
  return nil
end