module Rubocop::Cop::Util

def block_length(block_node)
  block_node.loc.end.line - block_node.loc.begin.line
end

def strip_quotes(str)
  if str[0] == '"' || str[0] == "'"
    str[0] = ''
    str[-1] = ''
  else
    # we're dealing with %q or %Q
    str[0, 3] = ''
    str[-1] = ''
  end
  str
end