keywords.cpp 2.2 KB

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  1. // Copyright David Abrahams 2002.
  2. // Distributed under the Boost Software License, Version 1.0. (See
  3. // accompanying file LICENSE_1_0.txt or copy at
  4. // http://www.boost.org/LICENSE_1_0.txt)
  5. #include <boost/python.hpp>
  6. #include <string>
  7. struct Foo
  8. {
  9. Foo(
  10. int a = 0
  11. , double b = 0
  12. , const std::string &n = std::string()
  13. ) :
  14. a_(a)
  15. , b_(b)
  16. , n_(n)
  17. {}
  18. void set(int a=0, double b=0, const std::string &n=std::string())
  19. {
  20. a_ = a;
  21. b_ = b;
  22. n_ = n;
  23. }
  24. int geta() const { return a_; }
  25. double getb() const { return b_; }
  26. std::string getn() const { return n_; }
  27. private:
  28. int a_;
  29. double b_;
  30. std::string n_;
  31. };
  32. struct Bar
  33. {
  34. Bar(
  35. int a = 0
  36. , double b = 0
  37. , const std::string &n = std::string()
  38. ) :
  39. a_(a)
  40. , b_(b)
  41. , n_(n)
  42. {}
  43. void set(int a=0, double b=0, const std::string &n=std::string())
  44. {
  45. a_ = a;
  46. b_ = b;
  47. n_ = n;
  48. }
  49. void seta(int a)
  50. {
  51. a_ = a;
  52. }
  53. int geta() const { return a_; }
  54. double getb() const { return b_; }
  55. std::string getn() const { return n_; }
  56. private:
  57. int a_;
  58. double b_;
  59. std::string n_;
  60. };
  61. BOOST_PYTHON_MEMBER_FUNCTION_OVERLOADS(bar_set, Bar::set, 0,3)
  62. using namespace boost::python;
  63. BOOST_PYTHON_MODULE(keywords)
  64. {
  65. #if BOOST_WORKAROUND(__GNUC__, == 2)
  66. using boost::python::arg;
  67. #endif
  68. class_<Foo>(
  69. "Foo"
  70. , init<int, double, const std::string&>(
  71. ( arg("a") = 0
  72. , arg("b") = 0.0
  73. , arg("n") = std::string()
  74. )
  75. ))
  76. .def("set", &Foo::set, (arg("a") = 0, arg("b") = 0.0, arg("n") = std::string()) )
  77. .def("set2", &Foo::set, (arg("a"), "b", "n") )
  78. .def("a", &Foo::geta)
  79. .def("b", &Foo::getb)
  80. .def("n", &Foo::getn)
  81. ;
  82. class_<Bar>("Bar"
  83. , init<optional<int, double, const std::string &> >()
  84. )
  85. .def("set", &Bar::set, bar_set())
  86. .def("set2", &Bar::set, bar_set("set2's docstring"))
  87. .def("seta", &Bar::seta, arg("a"))
  88. .def("a", &Bar::geta)
  89. .def("b", &Bar::getb)
  90. .def("n", &Bar::getn)
  91. ;
  92. }
  93. #include "module_tail.cpp"