1/*=============================================================================
2 Copyright (c) 2009 Chris Hoeppler
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
9#include <boost/spirit/home/x3/char.hpp>
10#include <boost/spirit/home/x3/core.hpp>
11#include <boost/spirit/home/x3/numeric.hpp>
12#include <boost/spirit/home/x3/operator.hpp>
13#include <boost/spirit/home/x3/string.hpp>
14#include <boost/spirit/home/x3/directive/confix.hpp>
15
16#include "test.hpp"
17
18int main()
19{
20 namespace x3 = boost::spirit::x3;
21 using namespace spirit_test;
22
23 BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(x3::confix('(', ')'));
24 BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(x3::confix("[", "]"));
25 BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(x3::confix("/*", "*/"));
26
27 {
28 const auto comment = x3::confix(prefix: "/*", postfix: "*/");
29
30 BOOST_TEST(test_failure("/abcdef*/", comment["abcdef"]));
31 BOOST_TEST(test_failure("/* abcdef*/", comment["abcdef"]));
32 BOOST_TEST(test_failure("/*abcdef */", comment["abcdef"]));
33 BOOST_TEST(test("/*abcdef*/", comment["abcdef"]));
34
35 {
36 unsigned value = 0;
37 BOOST_TEST(
38 test_attr(" /* 123 */ ", comment[x3::uint_], value, x3::space));
39 BOOST_TEST(value == 123);
40
41 using x3::_attr;
42 value = 0;
43 const auto lambda = [&value](auto& ctx ){ value = _attr(ctx) + 1; };
44 BOOST_TEST(test_attr("/*123*/", comment[x3::uint_][lambda], value));
45 BOOST_TEST(value == 124);
46 }
47 }
48 {
49 const auto array = x3::confix(prefix: '[', postfix: ']');
50
51 {
52 std::vector<unsigned> values;
53
54 BOOST_TEST(test("[0,2,4,6,8]", array[x3::uint_ % ',']));
55 BOOST_TEST(test_attr("[0,2,4,6,8]", array[x3::uint_ % ','], values));
56 BOOST_TEST(
57 values.size() == 5 &&
58 values[0] == 0 &&
59 values[1] == 2 &&
60 values[2] == 4 &&
61 values[3] == 6 &&
62 values[4] == 8);
63 }
64 {
65 std::vector<std::vector<unsigned>> values;
66 BOOST_TEST(
67 test("[[1,3,5],[0,2,4]]", array[array[x3::uint_ % ','] % ',']));
68 BOOST_TEST(
69 test_attr(
70 "[[1,3,5],[0,2,4]]",
71 array[array[x3::uint_ % ','] % ','],
72 values));
73 BOOST_TEST(
74 values.size() == 2 &&
75 values[0].size() == 3 &&
76 values[0][0] == 1 &&
77 values[0][1] == 3 &&
78 values[0][2] == 5 &&
79 values[1].size() == 3 &&
80 values[1][0] == 0 &&
81 values[1][1] == 2 &&
82 values[1][2] == 4);
83 }
84 }
85
86 return boost::report_errors();
87}
88

source code of boost/libs/spirit/test/x3/confix.cpp