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/boost_1_57_0/boost/range/detail/demote_iterator_traversal_tag.hpp

http://github.com/MisterTea/HyperNEAT
C++ Header | 91 lines | 64 code | 14 blank | 13 comment | 0 complexity | d5ee4e125391f597dba412f48fb4a410 MD5 | raw file
Possible License(s): BSD-3-Clause, LGPL-3.0, GPL-3.0, GPL-2.0 
    

  1. // Boost.Range library

    2. 

  2. //

    3. 

  3. //  Copyright Neil Groves 2009. Use, modification and

    4. 

  4. //  distribution is subject to the Boost Software License, Version

    5. 

  5. //  1.0. (See accompanying file LICENSE_1_0.txt or copy at

    6. 

  6. //  http://www.boost.org/LICENSE_1_0.txt)

    7. 

  7. //

    8. 

  8. // Acknowledgements:

    9. 

  9. // aschoedl supplied a fix to supply the level of interoperability I had

    10. 

  10. // originally intended, but failed to implement.

    11. 

  11. //

    12. 

  12. // For more information, see http://www.boost.org/libs/range/

    13. 

  13. //

    14. 

  14. #ifndef BOOST_RANGE_DETAIL_DEMOTE_ITERATOR_TRAVERSAL_TAG_HPP_INCLUDED

    15. 

  15. #define BOOST_RANGE_DETAIL_DEMOTE_ITERATOR_TRAVERSAL_TAG_HPP_INCLUDED

    16. 

  16. 

    17. 

  17. #include <boost/iterator/iterator_categories.hpp>

    18. 

  18. 

    19. 

  19. namespace boost

    20. 

  20. {

    21. 

  21.     namespace range_detail

    22. 

  22.     {

    23. 

  23. 

    24. 

  24. template<class IteratorTraversalTag1, class IteratorTraversalTag2>

    25. 

  25. struct inner_demote_iterator_traversal_tag

    26. 

  26. {

    27. 

  27. };

    28. 

  28. 

    29. 

  29. #define BOOST_DEMOTE_TRAVERSAL_TAG( Tag1, Tag2, ResultTag ) \

    30. 

  30. template<> struct inner_demote_iterator_traversal_tag< Tag1 , Tag2 > \

    31. 

  31. { \

    32. 

  32.     typedef ResultTag type; \

    33. 

  33. };

    34. 

  34. 

    35. 

  35. BOOST_DEMOTE_TRAVERSAL_TAG( no_traversal_tag, no_traversal_tag,            no_traversal_tag )

    36. 

  36. BOOST_DEMOTE_TRAVERSAL_TAG( no_traversal_tag, incrementable_traversal_tag, no_traversal_tag )

    37. 

  37. BOOST_DEMOTE_TRAVERSAL_TAG( no_traversal_tag, single_pass_traversal_tag,   no_traversal_tag )

    38. 

  38. BOOST_DEMOTE_TRAVERSAL_TAG( no_traversal_tag, forward_traversal_tag,       no_traversal_tag )

    39. 

  39. BOOST_DEMOTE_TRAVERSAL_TAG( no_traversal_tag, bidirectional_traversal_tag, no_traversal_tag )

    40. 

  40. BOOST_DEMOTE_TRAVERSAL_TAG( no_traversal_tag, random_access_traversal_tag, no_traversal_tag )

    41. 

  41. 

    42. 

  42. BOOST_DEMOTE_TRAVERSAL_TAG( incrementable_traversal_tag, no_traversal_tag,            no_traversal_tag            )

    43. 

  43. BOOST_DEMOTE_TRAVERSAL_TAG( incrementable_traversal_tag, incrementable_traversal_tag, incrementable_traversal_tag )

    44. 

  44. BOOST_DEMOTE_TRAVERSAL_TAG( incrementable_traversal_tag, single_pass_traversal_tag,   incrementable_traversal_tag )

    45. 

  45. BOOST_DEMOTE_TRAVERSAL_TAG( incrementable_traversal_tag, forward_traversal_tag,       incrementable_traversal_tag )

    46. 

  46. BOOST_DEMOTE_TRAVERSAL_TAG( incrementable_traversal_tag, bidirectional_traversal_tag, incrementable_traversal_tag )

    47. 

  47. BOOST_DEMOTE_TRAVERSAL_TAG( incrementable_traversal_tag, random_access_traversal_tag, incrementable_traversal_tag )

    48. 

  48. 

    49. 

  49. BOOST_DEMOTE_TRAVERSAL_TAG( single_pass_traversal_tag, no_traversal_tag,            no_traversal_tag            )

    50. 

  50. BOOST_DEMOTE_TRAVERSAL_TAG( single_pass_traversal_tag, incrementable_traversal_tag, incrementable_traversal_tag )

    51. 

  51. BOOST_DEMOTE_TRAVERSAL_TAG( single_pass_traversal_tag, single_pass_traversal_tag,   single_pass_traversal_tag   )

    52. 

  52. BOOST_DEMOTE_TRAVERSAL_TAG( single_pass_traversal_tag, forward_traversal_tag,       single_pass_traversal_tag   )

    53. 

  53. BOOST_DEMOTE_TRAVERSAL_TAG( single_pass_traversal_tag, bidirectional_traversal_tag, single_pass_traversal_tag   )

    54. 

  54. BOOST_DEMOTE_TRAVERSAL_TAG( single_pass_traversal_tag, random_access_traversal_tag, single_pass_traversal_tag   )

    55. 

  55. 

    56. 

  56. BOOST_DEMOTE_TRAVERSAL_TAG( forward_traversal_tag, no_traversal_tag,            no_traversal_tag            )

    57. 

  57. BOOST_DEMOTE_TRAVERSAL_TAG( forward_traversal_tag, incrementable_traversal_tag, incrementable_traversal_tag )

    58. 

  58. BOOST_DEMOTE_TRAVERSAL_TAG( forward_traversal_tag, single_pass_traversal_tag,   single_pass_traversal_tag   )

    59. 

  59. BOOST_DEMOTE_TRAVERSAL_TAG( forward_traversal_tag, forward_traversal_tag,       forward_traversal_tag       )

    60. 

  60. BOOST_DEMOTE_TRAVERSAL_TAG( forward_traversal_tag, bidirectional_traversal_tag, forward_traversal_tag       )

    61. 

  61. BOOST_DEMOTE_TRAVERSAL_TAG( forward_traversal_tag, random_access_traversal_tag, forward_traversal_tag       )

    62. 

  62. 

    63. 

  63. BOOST_DEMOTE_TRAVERSAL_TAG( bidirectional_traversal_tag, no_traversal_tag,            no_traversal_tag            )

    64. 

  64. BOOST_DEMOTE_TRAVERSAL_TAG( bidirectional_traversal_tag, incrementable_traversal_tag, incrementable_traversal_tag )

    65. 

  65. BOOST_DEMOTE_TRAVERSAL_TAG( bidirectional_traversal_tag, single_pass_traversal_tag,   single_pass_traversal_tag   )

    66. 

  66. BOOST_DEMOTE_TRAVERSAL_TAG( bidirectional_traversal_tag, forward_traversal_tag,       forward_traversal_tag       )

    67. 

  67. BOOST_DEMOTE_TRAVERSAL_TAG( bidirectional_traversal_tag, bidirectional_traversal_tag, bidirectional_traversal_tag )

    68. 

  68. BOOST_DEMOTE_TRAVERSAL_TAG( bidirectional_traversal_tag, random_access_traversal_tag, bidirectional_traversal_tag )

    69. 

  69. 

    70. 

  70. BOOST_DEMOTE_TRAVERSAL_TAG( random_access_traversal_tag, no_traversal_tag,            no_traversal_tag            )

    71. 

  71. BOOST_DEMOTE_TRAVERSAL_TAG( random_access_traversal_tag, incrementable_traversal_tag, incrementable_traversal_tag )

    72. 

  72. BOOST_DEMOTE_TRAVERSAL_TAG( random_access_traversal_tag, single_pass_traversal_tag,   single_pass_traversal_tag   )

    73. 

  73. BOOST_DEMOTE_TRAVERSAL_TAG( random_access_traversal_tag, forward_traversal_tag,       forward_traversal_tag       )

    74. 

  74. BOOST_DEMOTE_TRAVERSAL_TAG( random_access_traversal_tag, bidirectional_traversal_tag, bidirectional_traversal_tag )

    75. 

  75. BOOST_DEMOTE_TRAVERSAL_TAG( random_access_traversal_tag, random_access_traversal_tag, random_access_traversal_tag )

    76. 

  76. 

    77. 

  77. #undef BOOST_DEMOTE_TRAVERSAL_TAG

    78. 

  78. 

    79. 

  79. template<class IteratorTraversalTag1, class IteratorTraversalTag2>

    80. 

  80. struct demote_iterator_traversal_tag

    81. 

  81.     : inner_demote_iterator_traversal_tag<

    82. 

  82.         typename boost::detail::pure_traversal_tag< IteratorTraversalTag1 >::type,

    83. 

  83.         typename boost::detail::pure_traversal_tag< IteratorTraversalTag2 >::type

    84. 

  84.       >

    85. 

  85. {

    86. 

  86. };

    87. 

  87. 

    88. 

  88.     } // namespace range_detail

    89. 

  89. } // namespace boost

    90. 

  90. 

    91. 

  91. #endif // include guard

    92. 

  92.