skip.cpp 1.7 KB

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  1. /*=============================================================================
  2. Copyright (c) 2001-2015 Joel de Guzman
  3. Copyright (c) 2013 Agustin Berge
  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. =============================================================================*/
  7. #include <boost/detail/lightweight_test.hpp>
  8. #include <boost/spirit/home/x3.hpp>
  9. #include <iostream>
  10. #include "test.hpp"
  11. int
  12. main()
  13. {
  14. using spirit_test::test;
  15. using spirit_test::test_attr;
  16. using boost::spirit::x3::ascii::space;
  17. using boost::spirit::x3::ascii::space_type;
  18. using boost::spirit::x3::ascii::char_;
  19. using boost::spirit::x3::ascii::alpha;
  20. using boost::spirit::x3::lexeme;
  21. using boost::spirit::x3::skip;
  22. using boost::spirit::x3::lit;
  23. {
  24. BOOST_TEST((test("a b c d", skip(space)[*char_])));
  25. }
  26. { // test attribute
  27. std::string s;
  28. BOOST_TEST((test_attr("a b c d", skip(space)[*char_], s)));
  29. BOOST_TEST(s == "abcd");
  30. }
  31. { // reskip
  32. BOOST_TEST((test("ab c d", lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']], space)));
  33. BOOST_TEST((test("abcd", lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']], space)));
  34. BOOST_TEST(!(test("a bcd", lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']], space)));
  35. BOOST_TEST((test("ab c d", lexeme[lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']]], space)));
  36. BOOST_TEST((test("abcd", lexeme[lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']]], space)));
  37. BOOST_TEST(!(test("a bcd", lexeme[lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']]], space)));
  38. }
  39. return boost::report_errors();
  40. }