Class: Rubocop::Cop::Style::TrailingWhitespace

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

Overview

This cop looks for trailing whitespace in the source code.

Constant Summary collapse

MSG =
'Trailing whitespace detected.'

Instance Attribute Summary

Attributes inherited from Cop

#autocorrect, #corrections, #debug, #disabled_lines, #offences

Instance Method Summary collapse

Methods inherited from Cop

#add_offence, all, #autocorrect_action, cop_name, cop_type, #do_autocorrect, #ignore_node, inherited, #initialize, lint?, #name, rails?, style?

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/trailing_whitespace.rb', line 10

def investigate(processed_source)
  processed_source.lines.each_with_index do |line, index|
    if line =~ /.*[ \t]+$/
      add_offence(:convention,
                  source_range(processed_source.buffer,
                               processed_source[0...index],
                               line.rstrip.length,
                               line.length - line.rstrip.length),
                  MSG)
    end
  end
end