class RuboCop::Cop::Layout::LeadingCommentSpace

# Some comment
# good
#Some comment
# bad
@example
or rackup options.
‘#:nodoc`, `=begin`- and `=end` comments, “shebang” directives,
required for some RDoc special syntax, like `#++`, `#–`,
`#` denoting the start of the comment. The leading space is not
This cop checks whether comments have a leading space after the

def allowed_on_first_line?(comment) 

def allowed_on_first_line?(comment)
  shebang?(comment) || rackup_config_file? && rackup_options?(comment)
end

def autocorrect(comment) 

def autocorrect(comment)
  expr = comment.loc.expression
  hash_mark = range_between(expr.begin_pos, expr.begin_pos + 1)
  ->(corrector) { corrector.insert_after(hash_mark, ' ') }
end

def investigate(processed_source) 

def investigate(processed_source)
  processed_source.each_comment do |comment|
    next unless comment.text =~ /\A#+[^#\s=:+-]/
    next if comment.loc.line == 1 && allowed_on_first_line?(comment)
    add_offense(comment)
  end
end

def rackup_config_file? 

def rackup_config_file?
  File.basename(processed_source.file_path).eql?('config.ru')
end

def rackup_options?(comment) 

def rackup_options?(comment)
  comment.text.start_with?('#\\')
end

def shebang?(comment) 

def shebang?(comment)
  comment.text.start_with?('#!')
end