Class: Rubocop::Cop::Style::LineLength

Inherits:
Cop
  • Object
show all
Defined in:
lib/rubocop/cop/style/line_length.rb

Overview

This cop checks the length of lines in the source code. The maximum length is configurable.

Constant Summary collapse

MSG = 
'Line is too long. [%d/%d]'

Constants inherited from Cop

Cop::OPERATOR_METHODS

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offences, #processed_source

Instance Method Summary collapse

Methods inherited from Cop

#add_offence, all, #autocorrect?, #convention, #cop_config, cop_name, #cop_name, cop_type, #debug?, #ignore_node, inherited, #initialize, lint?, #message, non_rails, rails?, style?, #support_autocorrect?, #warning

Constructor Details

This class inherits a constructor from Rubocop::Cop::Cop

Instance Method Details

#investigate(processed_source) ⇒ Object 



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# File 'lib/rubocop/cop/style/line_length.rb', line 11

def investigate(processed_source)
  processed_source.lines.each_with_index do |line, index|
    if line.length > max
      message = sprintf(MSG, line.length, max)
      convention(nil,
                 source_range(processed_source.buffer,
                              processed_source[0...index], max,
                              line.length - max),
                 message)
    end
  end
end

#max ⇒ Object 



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# File 'lib/rubocop/cop/style/line_length.rb', line 24

def max
  cop_config['Max']
end