regression_adapt_adt.cpp 3.2 KB

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  1. // Copyright (c) 2011 Roji Philip
  2. // Copyright (c) 2001-2011 Hartmut Kaiser
  3. //
  4. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  5. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  6. #include <boost/config/warning_disable.hpp>
  7. #include <boost/detail/lightweight_test.hpp>
  8. #include <boost/fusion/include/adapt_adt.hpp>
  9. #include <boost/optional.hpp>
  10. #include <boost/spirit/include/qi.hpp>
  11. #include <boost/spirit/include/support_adapt_adt_attributes.hpp>
  12. #include "test.hpp"
  13. ///////////////////////////////////////////////////////////////////////////////
  14. struct test1
  15. {
  16. unsigned var;
  17. boost::optional<unsigned> opt;
  18. unsigned& getvar() { return var; }
  19. unsigned const& getvar() const { return var; }
  20. void setvar(unsigned val) { var = val; }
  21. boost::optional<unsigned>& getopt() { return opt; }
  22. boost::optional<unsigned> const& getopt() const { return opt; }
  23. void setopt(boost::optional<unsigned> const& val) { opt = val; }
  24. };
  25. BOOST_FUSION_ADAPT_ADT(
  26. test1,
  27. (unsigned&, unsigned const&, obj.getvar(), obj.setvar(val))
  28. (boost::optional<unsigned>&, boost::optional<unsigned> const&,
  29. obj.getopt(), obj.setopt(val))
  30. )
  31. ///////////////////////////////////////////////////////////////////////////////
  32. struct test2
  33. {
  34. std::string str;
  35. boost::optional<std::string> optstr;
  36. std::string& getstring() { return str; }
  37. std::string const& getstring() const { return str; }
  38. void setstring(std::string const& val) { str = val; }
  39. boost::optional<std::string>& getoptstring() { return optstr; }
  40. boost::optional<std::string> const& getoptstring() const { return optstr; }
  41. void setoptstring(boost::optional<std::string> const& val) { optstr = val; }
  42. };
  43. BOOST_FUSION_ADAPT_ADT(
  44. test2,
  45. (std::string&, std::string const&, obj.getstring(), obj.setstring(val))
  46. (boost::optional<std::string>&, boost::optional<std::string> const&,
  47. obj.getoptstring(), obj.setoptstring(val))
  48. )
  49. ///////////////////////////////////////////////////////////////////////////////
  50. int main()
  51. {
  52. using spirit_test::test_attr;
  53. namespace qi = boost::spirit::qi;
  54. {
  55. test1 data;
  56. BOOST_TEST(test_attr("123@999", qi::uint_ >> -('@' >> qi::uint_), data) &&
  57. data.var == 123 && data.opt && data.opt.get() == 999);
  58. }
  59. {
  60. test1 data;
  61. BOOST_TEST(test_attr("123", qi::uint_ >> -('@' >> qi::uint_), data) &&
  62. data.var == 123 && !data.opt);
  63. }
  64. {
  65. test2 data;
  66. BOOST_TEST(test_attr("Hello:OptionalHello",
  67. +qi::alnum >> -(':' >> +qi::alnum), data) &&
  68. data.str == "Hello" &&
  69. data.optstr && data.optstr.get() == "OptionalHello");
  70. }
  71. {
  72. test2 data;
  73. BOOST_TEST(test_attr("Hello",
  74. +qi::alnum >> -(':' >> +qi::alnum), data) &&
  75. data.str == "Hello" && !data.optstr);
  76. }
  77. { // GH#396
  78. qi::rule<char const*, unsigned()> uint_r = qi::uint_;
  79. test1 data;
  80. BOOST_TEST(test_attr("123@999", uint_r >> -('@' >> uint_r), data) &&
  81. data.var == 123 && data.opt && data.opt.get() == 999);
  82. }
  83. return boost::report_errors();
  84. }