1 /*=============================================================================
2 Copyright (c) 2001-2014 Joel de Guzman
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 =============================================================================*/
7 #include <boost/detail/lightweight_test.hpp>
8 #include <boost/spirit/home/x3.hpp>
9 #include <boost/fusion/include/std_pair.hpp>
10
11 #include <iostream>
12 #include <string>
13 #include "test.hpp"
14
15 using boost::spirit::x3::rule;
16
17 rule<class direct_rule, int> direct_rule = "direct_rule";
18 rule<class indirect_rule, int> indirect_rule = "indirect_rule";
19
20 auto const direct_rule_def = boost::spirit::x3::int_;
21 auto const indirect_rule_def = direct_rule;
22
BOOST_SPIRIT_DEFINE(direct_rule,indirect_rule)23 BOOST_SPIRIT_DEFINE(direct_rule, indirect_rule)
24
25 int main()
26 {
27 using spirit_test::test;
28 using spirit_test::test_attr;
29 using namespace boost::spirit::x3::ascii;
30 using boost::spirit::x3::raw;
31 using boost::spirit::x3::eps;
32 using boost::spirit::x3::lit;
33 using boost::spirit::x3::_attr;
34 using boost::spirit::x3::parse;
35 using boost::spirit::x3::int_;
36 using boost::spirit::x3::char_;
37
38 BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(raw['x']);
39
40 {
41 boost::iterator_range<char const*> range;
42 std::string str;
43 BOOST_TEST((test_attr("spirit_test_123", raw[alpha >> *(alnum | '_')], range)));
44 BOOST_TEST((std::string(range.begin(), range.end()) == "spirit_test_123"));
45 BOOST_TEST((test_attr(" spirit", raw[*alpha], range, space)));
46 BOOST_TEST((range.size() == 6));
47 }
48
49 {
50 std::string str;
51 BOOST_TEST((test_attr("spirit_test_123", raw[alpha >> *(alnum | '_')], str)));
52 BOOST_TEST((str == "spirit_test_123"));
53 }
54
55 {
56 boost::iterator_range<char const*> range;
57 BOOST_TEST((test("x", raw[alpha])));
58 BOOST_TEST((test_attr("x", raw[alpha], range)));
59 BOOST_TEST((test_attr("x", raw[alpha] >> eps, range)));
60 }
61
62 {
63 boost::iterator_range<char const*> range;
64 BOOST_TEST((test("x", raw[alpha][ ([&](auto& ctx){ range = _attr(ctx); }) ])));
65 BOOST_TEST(range.size() == 1 && *range.begin() == 'x');
66 }
67
68 {
69 boost::iterator_range<char const*> range;
70 BOOST_TEST((test("x123x", lit('x') >> raw[+digit] >> lit('x'))));
71 BOOST_TEST((test_attr("x123x", lit('x') >> raw[+digit] >> lit('x'), range)));
72 BOOST_TEST((std::string(range.begin(), range.end()) == "123"));
73 }
74
75 {
76 using range = boost::iterator_range<std::string::iterator>;
77 boost::variant<int, range> attr;
78
79 std::string str("test");
80 parse(str.begin(), str.end(), (int_ | raw[*char_]), attr);
81
82 auto rng = boost::get<range>(attr);
83 BOOST_TEST(std::string(rng.begin(), rng.end()) == "test");
84 }
85
86 {
87 std::vector<boost::iterator_range<std::string::iterator>> attr;
88 std::string str("123abcd");
89 parse(str.begin(), str.end()
90 , (raw[int_] >> raw[*char_])
91 , attr
92 );
93 BOOST_TEST(attr.size() == 2);
94 BOOST_TEST(std::string(attr[0].begin(), attr[0].end()) == "123");
95 BOOST_TEST(std::string(attr[1].begin(), attr[1].end()) == "abcd");
96 }
97
98 {
99 std::pair<int, boost::iterator_range<std::string::iterator>> attr;
100 std::string str("123abcd");
101 parse(str.begin(), str.end()
102 , (int_ >> raw[*char_])
103 , attr
104 );
105 BOOST_TEST(attr.first == 123);
106 BOOST_TEST(std::string(attr.second.begin(), attr.second.end()) == "abcd");
107 }
108
109 {
110 // test with simple rule
111 boost::iterator_range<char const*> range;
112 BOOST_TEST((test_attr("123", raw[direct_rule], range)));
113 BOOST_TEST((std::string(range.begin(), range.end()) == "123"));
114 }
115
116 {
117 // test with complex rule
118 boost::iterator_range<char const*> range;
119 BOOST_TEST((test_attr("123", raw[indirect_rule], range)));
120 BOOST_TEST((std::string(range.begin(), range.end()) == "123"));
121 }
122
123 return boost::report_errors();
124 }
125