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Class: RuboCop::Cop::EachToForCorrector

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Macros
Inherits: Object
Defined in: lib/rubocop/cop/correctors/each_to_for_corrector.rb

Overview

This class autocorrects #each enumeration to for iteration.

Constant Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(block_node) ⇒ EachToForCorrector

[ GitHub ] 

  


# File 'lib/rubocop/cop/correctors/each_to_for_corrector.rb', line 12



def initialize(block_node)
  @block_node = block_node
  @collection_node = block_node.receiver
  @argument_node = block_node.arguments
end


  







Instance Attribute Details



  

    #argument_node   (readonly, private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/correctors/each_to_for_corrector.rb', line 25



attr_reader :block_node, :collection_node, :argument_node


  








  

    #block_node   (readonly, private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/correctors/each_to_for_corrector.rb', line 25



attr_reader :block_node, :collection_node, :argument_node


  








  

    #collection_node   (readonly, private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/correctors/each_to_for_corrector.rb', line 25



attr_reader :block_node, :collection_node, :argument_node


  







Instance Method Details



  

    #call(corrector)  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/correctors/each_to_for_corrector.rb', line 18



def call(corrector)
  corrector.replace(offending_range, correction)
  corrector.replace(block_node.loc.end, closing_keyword) if block_node.braces?
end


  








  

    #closing_keyword   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/correctors/each_to_for_corrector.rb', line 41



def closing_keyword
  padding_needed?(block_node.loc.end.begin_pos - 1) ? ' end' : 'end'
end


  








  

    #correction   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/correctors/each_to_for_corrector.rb', line 27



def correction
  keyword = if block_node.arguments?
              format(
                CORRECTION_WITH_ARGUMENTS,
                collection: collection_node.source,
                variables: argument_node.children.map(&:source).join(', ')
              )
            else
              format(CORRECTION_WITHOUT_ARGUMENTS, enumerable: collection_node.source)
            end

  padding_needed?(offending_range.end_pos) ? "#{keyword} " : keyword
end


  








  

    #offending_range   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/correctors/each_to_for_corrector.rb', line 51



def offending_range
  begin_range = block_node.source_range.begin

  if block_node.arguments?
    begin_range.join(argument_node.source_range.end)
  else
    begin_range.join(block_node.loc.begin.end)
  end
end


  








  

    #padding_needed?(position)  ⇒ Boolean  (private)
  



  

    
  





  


  [ GitHub ]


  

  


# File 'lib/rubocop/cop/correctors/each_to_for_corrector.rb', line 45



def padding_needed?(position)
  character = block_node.source_range.source_buffer.source[position]

  !character.nil? && !character.match?(/\s/)
end