symbols2.cpp 6.9 KB

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  1. /*=============================================================================
  2. Copyright (c) 2001-2011 Joel de Guzman
  3. Distributed under the Boost Software License, Version 1.0. (See accompanying
  4. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  5. =============================================================================*/
  6. #include <boost/detail/lightweight_test.hpp>
  7. #include <boost/spirit/include/qi_string.hpp>
  8. #include <boost/spirit/include/qi_char.hpp>
  9. #include <boost/spirit/include/qi_action.hpp>
  10. #include <boost/spirit/include/qi_auxiliary.hpp>
  11. #include <boost/spirit/include/qi_directive.hpp>
  12. #include <boost/spirit/include/qi_operator.hpp>
  13. #include <boost/spirit/include/qi_nonterminal.hpp>
  14. #include <boost/spirit/include/support_argument.hpp>
  15. #include <boost/spirit/include/phoenix_core.hpp>
  16. #include <boost/spirit/include/phoenix_operator.hpp>
  17. #include <iostream>
  18. #include "test.hpp"
  19. // Custom string type with a C-style string conversion.
  20. struct custom_string_c
  21. {
  22. custom_string_c(char c) { str[0] = c; str[1] = '\0'; }
  23. operator char*() { return str; }
  24. operator char const*() const { return str; }
  25. private:
  26. char str[2];
  27. };
  28. std::string get_str(char const* str)
  29. {
  30. return std::string(str);
  31. }
  32. int
  33. main()
  34. {
  35. using spirit_test::test;
  36. using spirit_test::test_attr;
  37. using boost::spirit::qi::symbols;
  38. using boost::spirit::qi::rule;
  39. using boost::spirit::qi::lazy;
  40. using boost::spirit::qi::_r1;
  41. { // construction from symbol array
  42. char const* syms[] = {"Joel","Ruby","Tenji","Tutit","Kim","Joey"};
  43. symbols<char, int> sym(syms);
  44. BOOST_TEST((test("Joel", sym)));
  45. BOOST_TEST((test("Ruby", sym)));
  46. BOOST_TEST((test("Tenji", sym)));
  47. BOOST_TEST((test("Tutit", sym)));
  48. BOOST_TEST((test("Kim", sym)));
  49. BOOST_TEST((test("Joey", sym)));
  50. BOOST_TEST((!test("XXX", sym)));
  51. }
  52. { // construction from 2 arrays
  53. char const* syms[] = {"Joel","Ruby","Tenji","Tutit","Kim","Joey"};
  54. int data[] = {1,2,3,4,5,6};
  55. symbols<char, int> sym(syms, data);
  56. int i;
  57. BOOST_TEST((test_attr("Joel", sym, i)));
  58. BOOST_TEST(i == 1);
  59. BOOST_TEST((test_attr("Ruby", sym, i)));
  60. BOOST_TEST(i == 2);
  61. BOOST_TEST((test_attr("Tenji", sym, i)));
  62. BOOST_TEST(i == 3);
  63. BOOST_TEST((test_attr("Tutit", sym, i)));
  64. BOOST_TEST(i == 4);
  65. BOOST_TEST((test_attr("Kim", sym, i)));
  66. BOOST_TEST(i == 5);
  67. BOOST_TEST((test_attr("Joey", sym, i)));
  68. BOOST_TEST(i == 6);
  69. BOOST_TEST((!test_attr("XXX", sym, i)));
  70. }
  71. { // allow std::string and other string types
  72. symbols<> sym;
  73. // const and non-const std::string
  74. std::string a("abc");
  75. std::string const b("def");
  76. sym += a;
  77. sym += b;
  78. BOOST_TEST((test("abc", sym)));
  79. BOOST_TEST((test("def", sym)));
  80. sym = a;
  81. BOOST_TEST((test("abc", sym)));
  82. BOOST_TEST((!test("def", sym)));
  83. // non-const C-style string
  84. char arr[2]; arr[0] = 'a'; arr[1] = '\0';
  85. sym = arr;
  86. BOOST_TEST((test("a", sym)));
  87. BOOST_TEST((!test("b", sym)));
  88. // const and non-const custom string type
  89. custom_string_c c('x');
  90. custom_string_c const cc('y');
  91. sym = c, cc;
  92. BOOST_TEST((test("x", sym)));
  93. BOOST_TEST((test("y", sym)));
  94. BOOST_TEST((!test("z", sym)));
  95. }
  96. {
  97. namespace phx = boost::phoenix;
  98. symbols<char, int> sym;
  99. sym.add
  100. ("a", 1)
  101. ("b", 2)
  102. ;
  103. rule<char const*, int(symbols<char, int>&)> r;
  104. r %= lazy(_r1);
  105. int i = 0;
  106. BOOST_TEST(test_attr("a", r(phx::ref(sym)), i));
  107. BOOST_TEST(i == 1);
  108. BOOST_TEST(test_attr("b", r(phx::ref(sym)), i));
  109. BOOST_TEST(i == 2);
  110. BOOST_TEST(!test("c", r(phx::ref(sym))));
  111. }
  112. { // find
  113. symbols<char, int> sym;
  114. sym.add("a", 1)("b", 2);
  115. BOOST_TEST(!sym.find("c"));
  116. BOOST_TEST(sym.find("a") && *sym.find("a") == 1);
  117. BOOST_TEST(sym.find("b") && *sym.find("b") == 2);
  118. BOOST_TEST(sym.at("a") == 1);
  119. BOOST_TEST(sym.at("b") == 2);
  120. BOOST_TEST(sym.at("c") == 0);
  121. BOOST_TEST(sym.find("a") && *sym.find("a") == 1);
  122. BOOST_TEST(sym.find("b") && *sym.find("b") == 2);
  123. BOOST_TEST(sym.find("c") && *sym.find("c") == 0);
  124. symbols<char, int> const_sym(sym);
  125. BOOST_TEST(const_sym.find("a") && *const_sym.find("a") == 1);
  126. BOOST_TEST(const_sym.find("b") && *const_sym.find("b") == 2);
  127. BOOST_TEST(const_sym.find("c") && *const_sym.find("c") == 0);
  128. BOOST_TEST(!const_sym.find("d"));
  129. char const *str1 = "all";
  130. char const *first = str1, *last = str1 + 3;
  131. BOOST_TEST(*sym.prefix_find(first, last) == 1 && first == str1 + 1);
  132. char const *str2 = "dart";
  133. first = str2; last = str2 + 4;
  134. BOOST_TEST(!sym.prefix_find(first, last) && first == str2);
  135. }
  136. { // name
  137. symbols <char, int> sym,sym2;
  138. sym.name("test");
  139. BOOST_TEST(sym.name()=="test");
  140. sym2 = sym;
  141. BOOST_TEST(sym2.name()=="test");
  142. symbols <char,int> sym3(sym);
  143. BOOST_TEST(sym3.name()=="test");
  144. }
  145. { // Substrings
  146. symbols<char, int> sym;
  147. BOOST_TEST(sym.at("foo") == 0);
  148. sym.at("foo") = 1;
  149. BOOST_TEST(sym.at("foo") == 1);
  150. BOOST_TEST(sym.at("fool") == 0);
  151. sym.at("fool") = 2;
  152. BOOST_TEST(sym.find("foo") && *sym.find("foo") == 1);
  153. BOOST_TEST(sym.find("fool") && *sym.find("fool") == 2);
  154. BOOST_TEST(!sym.find("foolish"));
  155. BOOST_TEST(!sym.find("foot"));
  156. BOOST_TEST(!sym.find("afoot"));
  157. char const *str, *first, *last;
  158. str = "foolish"; first = str; last = str + 7;
  159. BOOST_TEST(*sym.prefix_find(first, last) == 2 && first == str + 4);
  160. first = str; last = str + 4;
  161. BOOST_TEST(*sym.prefix_find(first, last) == 2 && first == str + 4);
  162. str = "food"; first = str; last = str + 4;
  163. BOOST_TEST(*sym.prefix_find(first, last) == 1 && first == str + 3);
  164. first = str; last = str + 3;
  165. BOOST_TEST(*sym.prefix_find(first, last) == 1 && first == str + 3);
  166. first = str; last = str + 2;
  167. BOOST_TEST(!sym.prefix_find(first, last) && first == str);
  168. }
  169. {
  170. // remove bug
  171. std::string s;
  172. symbols<char, double> vars;
  173. vars.add("l1", 12.0);
  174. vars.add("l2", 0.0);
  175. vars.remove("l2");
  176. vars.find("l1");
  177. double* d = vars.find("l1");
  178. BOOST_TEST(d != 0);
  179. }
  180. { // test for proto problem with rvalue references (10-11-2011)
  181. symbols<char, int> sym;
  182. sym += get_str("Joel");
  183. sym += get_str("Ruby");
  184. BOOST_TEST((test("Joel", sym)));
  185. BOOST_TEST((test("Ruby", sym)));
  186. }
  187. return boost::report_errors();
  188. }