class RuboCop::Cop::Lint::OrderedMagicComments


p [”.frozen?, ”.encoding] #=> [true, #<Encoding:US-ASCII>]
# frozen_string_literal: true
# encoding: ascii
#!/usr/bin/env ruby
# good
p [”.frozen?, ”.encoding] #=> [true, #<Encoding:US-ASCII>]
# frozen_string_literal: true
# encoding: ascii
# good
p [”.frozen?, ”.encoding] #=> [true, #<Encoding:UTF-8>]
# encoding: ascii
# frozen_string_literal: true
# bad
@example
a magic comment is not placed before a shebang.
Checks the proper ordering of magic comments and whether

def autocorrect(corrector, encoding_line, frozen_string_literal_line) 

def autocorrect(corrector, encoding_line, frozen_string_literal_line)
  range1 = processed_source.buffer.line_range(encoding_line + 1)
  range2 = processed_source.buffer.line_range(frozen_string_literal_line + 1)
  corrector.replace(range1, range2.source)
  corrector.replace(range2, range1.source)
end

def magic_comment_lines 

def magic_comment_lines
  lines = [nil, nil]
  magic_comments.each.with_index do |comment, index|
    if comment.encoding_specified?
      lines[0] = index
    elsif comment.frozen_string_literal_specified?
      lines[1] = index
    end
    return lines if lines[0] && lines[1]
  end
  lines
end

def magic_comments 

def magic_comments
  leading_comment_lines.map { |line| MagicComment.parse(line) }
end

def on_new_investigation 

def on_new_investigation
  return if processed_source.buffer.source.empty?
  encoding_line, frozen_string_literal_line = magic_comment_lines
  return unless encoding_line && frozen_string_literal_line
  return if encoding_line < frozen_string_literal_line
  range = processed_source.buffer.line_range(encoding_line + 1)
  add_offense(range) do |corrector|
    autocorrect(corrector, encoding_line, frozen_string_literal_line)
  end
end