Class: Protos::TokenList

Inherits:
Object
  • Object
show all
Defined in:
lib/protos/token_list.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tokens = []) ⇒ TokenList

Returns a new instance of TokenList.



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# File 'lib/protos/token_list.rb', line 10

def initialize(tokens = [])
  @tokens = Set.new(tokens)
end

Instance Attribute Details

#tokens ⇒ Object (readonly)

DOCS: A list of utility tokens that can handle parsing and merging sets of tokens together safely.



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# File 'lib/protos/token_list.rb', line 8

def tokens
  @tokens
end

Instance Method Details

#add(tokens) ⇒ Object 



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# File 'lib/protos/token_list.rb', line 27

def add(tokens)
  @tokens.merge(parse(tokens))
  self
end

#clear ⇒ Object 



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# File 'lib/protos/token_list.rb', line 32

def clear
  @tokens.clear
  self
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/protos/token_list.rb', line 14

def empty?
  @tokens.empty?
end

#remove(tokens) ⇒ Object 



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# File 'lib/protos/token_list.rb', line 22

def remove(tokens)
  @tokens.subtract(parse(tokens))
  self
end

#to_s ⇒ Object 



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# File 'lib/protos/token_list.rb', line 18

def to_s
  @tokens.join(" ")
end