class Object

# File lib/puppet-lint/plugins/check_empty_lines_around_body.rb, line 6
def check
  checked_block_tokens = %i[IF ELSIF ELSE UNLESS CASE CLASS DEFINE NODE]
  checked_blocks = {}

  depth = 0
  tokens.each_index do |token_idx|
    if checked_block_tokens.include?(tokens[token_idx].type)
      checked_blocks[depth] = { :start => token_idx }
    end

    if tokens[token_idx].type == :LBRACE
      depth += 1
      unless checked_blocks[depth - 1].nil?
        idx_with_problem = idx_2nd_nl(token_idx)
        unless idx_with_problem == -1
          block_type = tokens[checked_blocks[depth - 1][:start]].type.downcase
          notify(
            :warning,
            :message => "empty line at start of #{block_type} block",
            :line    => tokens[idx_with_problem].line,
            :column  => tokens[idx_with_problem].column
          )
        end
      end
    elsif tokens[token_idx].type == :RBRACE
      unless checked_blocks[depth - 1].nil?
        idx_with_problem = idx_prec_2nd_nl(token_idx)
        unless idx_with_problem == -1
          block_type = tokens[checked_blocks[depth - 1][:start]].type.downcase
          notify(
            :warning,
            :message => "empty line at end of #{block_type} block",
            :line    => tokens[idx_with_problem].line,
            :column  => tokens[idx_with_problem].column
          )
        end
        checked_blocks.delete(depth)
      end
      depth -= 1
    end
  end
end

# File lib/puppet-lint/plugins/check_empty_lines_around_body.rb, line 51
def idx_2nd_nl(start_idx)
  seen_newlines = 0
  tokens[(start_idx + 1)..-1].each_index do |idx_in_block|
    idx_abs = idx_in_block + start_idx + 1
    if tokens[idx_abs].type == :NEWLINE
      seen_newlines += 1
      return idx_abs if seen_newlines > 1
    elsif %i[WHITESPACE INDENT].include? tokens[idx_abs].type
      next
    else
      break
    end
  end
  -1
end

# File lib/puppet-lint/plugins/check_empty_lines_around_body.rb, line 69
def idx_prec_2nd_nl(start_idx)
  seen_newlines = 0
  idx_last_nl = -1
  (start_idx - 1).downto(0).each do |idx_abs|
    if tokens[idx_abs].type == :NEWLINE
      seen_newlines += 1
      return idx_last_nl if seen_newlines > 1

      idx_last_nl = idx_abs
    elsif %i[WHITESPACE INDENT].include? tokens[idx_abs].type
      next
    else
      break
    end
  end
  -1
end