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1 /*//////////////////////////////////////////////////////////////////////////////
2     Copyright (c) 2011 Jamboree
3     Copyright (c) 2014 Lee Clagett
4 
5     Distributed under the Boost Software License, Version 1.0. (See accompanying
6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 //////////////////////////////////////////////////////////////////////////////*/
8 #include <vector>
9 
10 #include <boost/detail/lightweight_test.hpp>
11 #include <boost/spirit/home/x3/auxiliary/eoi.hpp>
12 #include <boost/spirit/home/x3/core.hpp>
13 #include <boost/spirit/home/x3/char.hpp>
14 #include <boost/spirit/home/x3/string.hpp>
15 #include <boost/spirit/home/x3/numeric.hpp>
16 #include <boost/spirit/home/x3/operator/plus.hpp>
17 #include <boost/spirit/home/x3/operator/sequence.hpp>
18 
19 #include <boost/spirit/home/x3/directive/seek.hpp>
20 
21 #include "test.hpp"
22 
23 
24 ///////////////////////////////////////////////////////////////////////////////
main()25 int main()
26 {
27     using namespace spirit_test;
28     namespace x3 = boost::spirit::x3;
29 
30     BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(x3::seek['x']);
31 
32     // test eoi
33     {
34         BOOST_TEST(test("", x3::seek[x3::eoi]));
35         BOOST_TEST(test(" ", x3::seek[x3::eoi], x3::space));
36         BOOST_TEST(test("a", x3::seek[x3::eoi]));
37         BOOST_TEST(test(" a", x3::seek[x3::eoi], x3::space));
38     }
39 
40     // test literal finding
41     {
42         int i = 0;
43 
44         BOOST_TEST(
45             test_attr("!@#$%^&*KEY:123", x3::seek["KEY:"] >> x3::int_, i)
46             && i == 123
47         );
48     }
49     // test sequence finding
50     {
51         int i = 0;
52 
53         BOOST_TEST(
54             test_attr("!@#$%^&* KEY : 123", x3::seek[x3::lit("KEY") >> ':'] >> x3::int_, i, x3::space)
55             && i == 123
56         );
57     }
58 
59     // test attr finding
60     {
61         std::vector<int> v;
62 
63         BOOST_TEST( // expect partial match
64             test_attr("a06b78c3d", +x3::seek[x3::int_], v, false)
65             && v.size() == 3 && v[0] == 6 && v[1] == 78 && v[2] == 3
66         );
67     }
68 
69     // test action
70     {
71 
72        bool b = false;
73        auto const action = [&b]() { b = true; };
74 
75        BOOST_TEST( // expect partial match
76            test("abcdefg", x3::seek["def"][action], false)
77            && b
78        );
79     }
80 
81     // test container
82     {
83         std::vector<int> v;
84 
85         BOOST_TEST(
86             test_attr("abcInt:100Int:95Int:44", x3::seek[+("Int:" >> x3::int_)], v)
87             && v.size() == 3 && v[0] == 100 && v[1] == 95 && v[2] == 44
88         );
89     }
90 
91     // test failure rollback
92     {
93         BOOST_TEST(test_failure("abcdefg", x3::seek[x3::int_]));
94     }
95 
96     return boost::report_errors();
97 }
98