1 /*=============================================================================
2 Copyright (c) 2001-2015 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 <string>
8 #include <vector>
9
10 #include <boost/detail/lightweight_test.hpp>
11 #include <boost/spirit/home/x3.hpp>
12 #include <boost/fusion/include/vector.hpp>
13
14 #include <string>
15 #include <iostream>
16 #include "test.hpp"
17 #include "utils.hpp"
18
19 struct x_attr
20 {
21 };
22
23 namespace boost { namespace spirit { namespace x3 { namespace traits
24 {
25 template <>
26 struct container_value<x_attr>
27 {
28 typedef char type; // value type of container
29 };
30
31 template <>
32 struct push_back_container<x_attr>
33 {
callboost::spirit::x3::traits::push_back_container34 static bool call(x_attr& /*c*/, char /*val*/)
35 {
36 // push back value type into container
37 return true;
38 }
39 };
40 }}}}
41
42 int
main()43 main()
44 {
45 using spirit_test::test;
46 using spirit_test::test_attr;
47 using boost::spirit::x3::char_;
48 using boost::spirit::x3::alpha;
49 using boost::spirit::x3::upper;
50 using boost::spirit::x3::space;
51 using boost::spirit::x3::digit;
52 //~ using boost::spirit::x3::no_case;
53 using boost::spirit::x3::int_;
54 using boost::spirit::x3::omit;
55 using boost::spirit::x3::lit;
56 //~ using boost::spirit::x3::_1;
57 using boost::spirit::x3::lexeme;
58
59 BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(+char_);
60
61 {
62 BOOST_TEST(test("aaaaaaaa", +char_));
63 BOOST_TEST(test("a", +char_));
64 BOOST_TEST(!test("", +char_));
65 BOOST_TEST(test("aaaaaaaa", +alpha));
66 BOOST_TEST(!test("aaaaaaaa", +upper));
67 }
68
69 {
70 BOOST_TEST(test(" a a aaa aa", +char_, space));
71 BOOST_TEST(test("12345 678 9 ", +digit, space));
72 }
73
74 //~ {
75 //~ BOOST_TEST(test("aBcdeFGH", no_case[+char_]));
76 //~ BOOST_TEST(test("a B cde FGH ", no_case[+char_], space));
77 //~ }
78
79 {
80 std::vector<int> v;
81 BOOST_TEST(test_attr("123 456 789 10", +int_, v, space) && 4 == v.size() &&
82 v[0] == 123 && v[1] == 456 && v[2] == 789 && v[3] == 10);
83 }
84
85 {
86 std::vector<std::string> v;
87 BOOST_TEST(test_attr("a b c d", +lexeme[+alpha], v, space) && 4 == v.size() &&
88 v[0] == "a" && v[1] == "b" && v[2] == "c" && v[3] == "d");
89 }
90
91 {
92 BOOST_TEST(test("Kim Kim Kim", +lit("Kim"), space));
93 }
94
95 // $$$ Fixme $$$
96 /*{
97 // The following 2 tests show that omit does not inhibit explicit attributes
98
99 std::string s;
100 BOOST_TEST(test_attr("bbbb", omit[+char_('b')], s) && s == "bbbb");
101
102 s.clear();
103 BOOST_TEST(test_attr("b b b b ", omit[+char_('b')], s, space) && s == "bbbb");
104 }*/
105
106 { // actions
107 std::string v;
108 auto f = [&](auto& ctx){ v = _attr(ctx); };
109
110 BOOST_TEST(test("bbbb", (+char_)[f]) && 4 == v.size() &&
111 v[0] == 'b' && v[1] == 'b' && v[2] == 'b' && v[3] == 'b');
112 }
113
114 { // more actions
115 std::vector<int> v;
116 auto f = [&](auto& ctx){ v = _attr(ctx); };
117
118 BOOST_TEST(test("1 2 3", (+int_)[f], space) && 3 == v.size() &&
119 v[0] == 1 && v[1] == 2 && v[2] == 3);
120 }
121
122 { // attribute customization
123
124 x_attr x;
125 test_attr("abcde", +char_, x);
126 }
127
128 // single-element fusion vector tests
129 {
130 boost::fusion::vector<std::string> fs;
131 BOOST_TEST((test_attr("12345", +char_, fs))); // ok
132 BOOST_TEST(boost::fusion::at_c<0>(fs) == "12345");
133 }
134
135 { // test move only types
136 std::vector<move_only> v;
137 BOOST_TEST(test_attr("sss", +synth_move_only, v));
138 BOOST_TEST_EQ(v.size(), 3);
139 }
140
141 return boost::report_errors();
142 }
143