1// Copyright (c) 2011 Roji Philip
2// Copyright (c) 2001-2011 Hartmut Kaiser
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/spirit/include/support_adapt_adt_attributes.hpp>
8
9#include <boost/fusion/include/adapt_adt.hpp>
10#include <boost/optional.hpp>
11
12#include <boost/spirit/include/qi.hpp>
13
14#include "test.hpp"
15
16///////////////////////////////////////////////////////////////////////////////
17struct test1
18{
19 unsigned var;
20 boost::optional<unsigned> opt;
21
22 unsigned& getvar() { return var; }
23 unsigned const& getvar() const { return var; }
24 void setvar(unsigned val) { var = val; }
25
26 boost::optional<unsigned>& getopt() { return opt; }
27 boost::optional<unsigned> const& getopt() const { return opt; }
28 void setopt(boost::optional<unsigned> const& val) { opt = val; }
29};
30
31BOOST_FUSION_ADAPT_ADT(
32 test1,
33 (unsigned&, unsigned const&, obj.getvar(), obj.setvar(val))
34 (boost::optional<unsigned>&, boost::optional<unsigned> const&,
35 obj.getopt(), obj.setopt(val))
36)
37
38///////////////////////////////////////////////////////////////////////////////
39struct test2
40{
41 std::string str;
42 boost::optional<std::string> optstr;
43
44 std::string& getstring() { return str; }
45 std::string const& getstring() const { return str; }
46 void setstring(std::string const& val) { str = val; }
47
48 boost::optional<std::string>& getoptstring() { return optstr; }
49 boost::optional<std::string> const& getoptstring() const { return optstr; }
50 void setoptstring(boost::optional<std::string> const& val) { optstr = val; }
51};
52
53BOOST_FUSION_ADAPT_ADT(
54 test2,
55 (std::string&, std::string const&, obj.getstring(), obj.setstring(val))
56 (boost::optional<std::string>&, boost::optional<std::string> const&,
57 obj.getoptstring(), obj.setoptstring(val))
58)
59
60///////////////////////////////////////////////////////////////////////////////
61int main()
62{
63 using spirit_test::test_attr;
64 namespace qi = boost::spirit::qi;
65
66 {
67 test1 data;
68 BOOST_TEST(test_attr("123@999", qi::uint_ >> -('@' >> qi::uint_), data) &&
69 data.var == 123 && data.opt && data.opt.get() == 999);
70 }
71
72 {
73 test1 data;
74 BOOST_TEST(test_attr("123", qi::uint_ >> -('@' >> qi::uint_), data) &&
75 data.var == 123 && !data.opt);
76 }
77
78 {
79 test2 data;
80 BOOST_TEST(test_attr("Hello:OptionalHello",
81 +qi::alnum >> -(':' >> +qi::alnum), data) &&
82 data.str == "Hello" &&
83 data.optstr && data.optstr.get() == "OptionalHello");
84 }
85
86 {
87 test2 data;
88 BOOST_TEST(test_attr("Hello",
89 +qi::alnum >> -(':' >> +qi::alnum), data) &&
90 data.str == "Hello" && !data.optstr);
91 }
92
93 { // GH#396
94 qi::rule<char const*, unsigned()> uint_r = qi::uint_;
95 test1 data;
96 BOOST_TEST(test_attr("123@999", uint_r >> -('@' >> uint_r), data) &&
97 data.var == 123 && data.opt && data.opt.get() == 999);
98 }
99
100 return boost::report_errors();
101}
102

source code of boost/libs/spirit/test/qi/regression_adapt_adt.cpp