Span.h 715 B

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  1. /*
  2. * Copyright (c) 2020, the SerenityOS developers.
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #pragma once
  7. #include <stddef.h>
  8. namespace Line {
  9. class Span {
  10. public:
  11. enum Mode {
  12. ByteOriented,
  13. CodepointOriented,
  14. };
  15. Span(size_t start, size_t end, Mode mode = ByteOriented)
  16. : m_beginning(start)
  17. , m_end(end)
  18. , m_mode(mode)
  19. {
  20. }
  21. size_t beginning() const { return m_beginning; }
  22. size_t end() const { return m_end; }
  23. Mode mode() const { return m_mode; }
  24. bool is_empty() const
  25. {
  26. return m_beginning < m_end;
  27. }
  28. private:
  29. size_t m_beginning { 0 };
  30. size_t m_end { 0 };
  31. Mode m_mode { CodepointOriented };
  32. };
  33. }