Class: Rubocop::Cop::Style::Tab

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

Overview

This cop checks for tabs inside the source code.

Constant Summary collapse

MSG = 
'Tab detected.'

Constants inherited from Cop

Cop::OPERATOR_METHODS

Constants included from Util

Util::PROC_NEW_NODE

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offences, #processed_source

Instance Method Summary collapse

Methods inherited from Cop

#add_offence, all, #autocorrect?, #config_to_allow_offences, #config_to_allow_offences=, #cop_config, cop_name, #cop_name, cop_type, #debug?, #exclude_file?, #exclude_paths, #ignore_node, #include_file?, #include_paths, inherited, #initialize, lint?, #message, non_rails, rails?, #relevant_file?, style?, #support_autocorrect?

Methods included from Util

block_length, command?, comment_line?, const_name, first_part_of_call_chain, lambda?, lambda_or_proc?, line_range, on_node, proc?, range_with_surrounding_space, source_range, strip_quotes

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/tab.rb', line 10

def investigate(processed_source)
  processed_source.lines.each_with_index do |line, index|
    match = line.match(/^( *)\t/)
    if match
      spaces = match.captures[0]
      add_offence(nil,
                  source_range(processed_source.buffer,
                               processed_source[0...index],
                               spaces.length, 1),
                  MSG)
    end
  end
end