Class: RuboCop::Cop::Utils::RegexpRanges

Inherits:
Object
  • Object
show all
Defined in:
lib/rubocop/cop/utils/regexp_ranges.rb

Overview

Helper to abstract complexity of building range pairs with octal escape reconstruction (needed for regexp_parser < 2.7).

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(root) ⇒ RegexpRanges

Returns a new instance of RegexpRanges.



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# File 'lib/rubocop/cop/utils/regexp_ranges.rb', line 11

def initialize(root)
  @root = root
  @compound_token = []
end

Instance Attribute Details

#compound_token ⇒ Object (readonly)

Returns the value of attribute compound_token.



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# File 'lib/rubocop/cop/utils/regexp_ranges.rb', line 9

def compound_token
  @compound_token
end

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'lib/rubocop/cop/utils/regexp_ranges.rb', line 9

def root
  @root
end

Instance Method Details

#pairs ⇒ Object 



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# File 'lib/rubocop/cop/utils/regexp_ranges.rb', line 16

def pairs
  unless @pairs
    @pairs = []
    populate(root)
  end

  # If either bound is a compound the first one is an escape
  # and that's all we need to work with.
  # If there are any cops that wanted to operate on the compound
  # expression we could wrap it with a facade class.
  @pairs.map { |pair| pair.map(&:first) }
end