class RuboCop::Cop::Style::AlignParameters

def base_column(node, args)
  if fixed_indentation?
    lineno = target_method_lineno(node)
    line = node.loc.expression.source_buffer.source_line(lineno)
    indentation_of_line = /\S.*/.match(line).begin(0)
    indentation_of_line + configured_indentation_width
  else
    args.first.loc.column
  end
end

def fixed_indentation?
  cop_config['EnforcedStyle'] == 'with_fixed_indentation'
end

def on_send(node)
  _receiver, method, *args = *node
  return if method == :[]=
  return if args.size <= 1
  check_alignment(args, base_column(node, args))
end

def target_method_lineno(node)
  if node.loc.selector
    node.loc.selector.line
  else
    # l.(1) has no selector, so we use the opening parenthesis instead
    node.loc.begin.line
  end
end