You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

134 lines
4.4 KiB

  1. /* /////////////////////////////////////////////////////////////////////////
  2. * File: stlsoft/obsolete/container_base.hpp
  3. *
  4. * Purpose: Allocator commmon features.
  5. *
  6. * Created: 17th February 2004
  7. * Updated: 10th August 2009
  8. *
  9. * Home: http://stlsoft.org/
  10. *
  11. * Copyright (c) 2004-2009, Matthew Wilson and Synesis Software
  12. * All rights reserved.
  13. *
  14. * Redistribution and use in source and binary forms, with or without
  15. * modification, are permitted provided that the following conditions are met:
  16. *
  17. * - Redistributions of source code must retain the above copyright notice, this
  18. * list of conditions and the following disclaimer.
  19. * - Redistributions in binary form must reproduce the above copyright notice,
  20. * this list of conditions and the following disclaimer in the documentation
  21. * and/or other materials provided with the distribution.
  22. * - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
  23. * any contributors may be used to endorse or promote products derived from
  24. * this software without specific prior written permission.
  25. *
  26. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  27. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29. * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  30. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  32. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  33. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  34. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  36. * POSSIBILITY OF SUCH DAMAGE.
  37. *
  38. * ////////////////////////////////////////////////////////////////////// */
  39. /// \file stlsoft/obsolete/container_base.hpp
  40. ///
  41. /// Allocator commmon features.
  42. #ifndef STLSOFT_INCL_STLSOFT_OBSOLETE_HPP_CONTAINER_BASE
  43. #define STLSOFT_INCL_STLSOFT_OBSOLETE_HPP_CONTAINER_BASE
  44. #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
  45. # define STLSOFT_VER_STLSOFT_OBSOLETE_HPP_CONTAINER_BASE_MAJOR 2
  46. # define STLSOFT_VER_STLSOFT_OBSOLETE_HPP_CONTAINER_BASE_MINOR 2
  47. # define STLSOFT_VER_STLSOFT_OBSOLETE_HPP_CONTAINER_BASE_REVISION 1
  48. # define STLSOFT_VER_STLSOFT_OBSOLETE_HPP_CONTAINER_BASE_EDIT 19
  49. #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
  50. /* /////////////////////////////////////////////////////////////////////////
  51. * Includes
  52. */
  53. #ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
  54. # include <stlsoft/stlsoft.h>
  55. #endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */
  56. /* /////////////////////////////////////////////////////////////////////////
  57. * Namespace
  58. */
  59. #ifndef _STLSOFT_NO_NAMESPACE
  60. namespace stlsoft
  61. {
  62. #endif /* _STLSOFT_NO_NAMESPACE */
  63. /* /////////////////////////////////////////////////////////////////////////
  64. * Classes
  65. */
  66. /** \brief Base template for STL allocators
  67. *
  68. * \ingroup group__library__obsolete
  69. */
  70. template <ss_typename_param_k A>
  71. struct container_base
  72. #ifndef STLSOFT_CF_ALLOCATOR_BASE_EXPENSIVE
  73. : public A
  74. #endif /* STLSOFT_CF_ALLOCATOR_BASE_EXPENSIVE */
  75. {
  76. typedef A allocator_type;
  77. typedef container_base<A> class_type;
  78. protected:
  79. container_base()
  80. {}
  81. container_base(class_type const&)
  82. {}
  83. operator allocator_type &()
  84. {
  85. return get_allocator_();
  86. }
  87. operator allocator_type const& () const
  88. {
  89. return get_allocator_();
  90. }
  91. private:
  92. #ifndef STLSOFT_CF_ALLOCATOR_BASE_EXPENSIVE
  93. allocator_type &get_allocator_()
  94. {
  95. return *this;
  96. }
  97. allocator_type const& get_allocator_() const
  98. {
  99. return *this;
  100. }
  101. #else /* ? STLSOFT_CF_ALLOCATOR_BASE_EXPENSIVE */
  102. static allocator_type &get_allocator_()
  103. {
  104. static allocator_type s_allocator;
  105. return s_allocator;
  106. }
  107. #endif /* STLSOFT_CF_ALLOCATOR_BASE_EXPENSIVE */
  108. };
  109. /* ////////////////////////////////////////////////////////////////////// */
  110. #ifndef _STLSOFT_NO_NAMESPACE
  111. } // namespace stlsoft
  112. #endif /* _STLSOFT_NO_NAMESPACE */
  113. /* ////////////////////////////////////////////////////////////////////// */
  114. #endif /* !STLSOFT_INCL_STLSOFT_OBSOLETE_HPP_CONTAINER_BASE */
  115. /* ///////////////////////////// end of file //////////////////////////// */