Class: Upwords::LetterRack

Inherits:
Object
  • Object
show all
Defined in:
lib/upwords/letter_rack.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(capacity = 7) ⇒ LetterRack

Returns a new instance of LetterRack.



6
7
8
9
 
# File 'lib/upwords/letter_rack.rb', line 6

def initialize(capacity=7)
  @letters = []
  @capacity = capacity
end

Instance Attribute Details

#capacity ⇒ Object (readonly)

Returns the value of attribute capacity.



4
5
6
 
# File 'lib/upwords/letter_rack.rb', line 4

def capacity
  @capacity
end

#letters ⇒ Object (readonly)

Returns the value of attribute letters.



4
5
6
 
# File 'lib/upwords/letter_rack.rb', line 4

def letters
  @letters
end

Instance Method Details

#add(letter) ⇒ Object 



27
28
29
30
31
32
33
 
# File 'lib/upwords/letter_rack.rb', line 27

def add(letter)
  if full?
    raise IllegalMove, "Rack is full!"
  else
    @letters << letter        
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


19
20
21
 
# File 'lib/upwords/letter_rack.rb', line 19

def empty?
  @letters.empty?
end

#full? ⇒ Boolean

Returns:

  • (Boolean) 


15
16
17
 
# File 'lib/upwords/letter_rack.rb', line 15

def full?
  size == capacity
end

#has_letter?(letter) ⇒ Boolean

Returns:

  • (Boolean) 


23
24
25
 
# File 'lib/upwords/letter_rack.rb', line 23

def has_letter?(letter)
  @letters.include? letter 
end

#remove(letter) ⇒ Object 



35
36
37
38
39
40
41
 
# File 'lib/upwords/letter_rack.rb', line 35

def remove(letter)
  if has_letter?(letter)
    @letters.delete_at(@letters.index(letter))
  else
    raise IllegalMove, "You don't have this letter!"
  end
end

#show ⇒ Object 



43
44
45
 
# File 'lib/upwords/letter_rack.rb', line 43

def show
  @letters.join(' ')
end

#show_masked ⇒ Object 



47
48
49
 
# File 'lib/upwords/letter_rack.rb', line 47

def show_masked
  @letters.map {'*'}.join(' ')
end

#size ⇒ Object 



11
12
13
 
# File 'lib/upwords/letter_rack.rb', line 11

def size
  @letters.size
end