1 /*=============================================================================
2 Copyright (c) 2001-2011 Hartmut Kaiser
3 Copyright (c) 2011 Brian O'Kennedy
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/config/warning_disable.hpp>
10 #include <boost/detail/lightweight_test.hpp>
11
12 #include <boost/spirit/include/qi_char.hpp>
13 #include <boost/spirit/include/qi_numeric.hpp>
14 #include <boost/spirit/include/qi_stream.hpp>
15 #include <boost/spirit/include/qi_operator.hpp>
16
17 #include "test.hpp"
18
19 struct complex
20 {
complexcomplex21 complex (double a = 0.0, double b = 0.0) : a(a), b(b) {}
22 double a, b;
23 };
24
operator >>(std::istream & is,complex & z)25 std::istream& operator>> (std::istream& is, complex& z)
26 {
27 char lbrace = '\0', comma = '\0', rbrace = '\0';
28 is >> lbrace >> z.a >> comma >> z.b >> rbrace;
29 if (lbrace != '{' || comma != ',' || rbrace != '}')
30 is.setstate(std::ios_base::failbit);
31
32 return is;
33 }
34
main()35 int main()
36 {
37 using spirit_test::test_attr;
38
39 {
40 using boost::spirit::qi::blank;
41 using boost::spirit::qi::double_;
42 using boost::spirit::qi::stream;
43 using boost::spirit::qi::stream_parser;
44 using boost::fusion::at_c;
45
46 complex c;
47 BOOST_TEST(test_attr("{1.0,2.5}",
48 stream_parser<char, complex>(), c, blank) &&
49 c.a == 1.0 && c.b == 2.5);
50
51 boost::fusion::vector<complex, double> d;
52 BOOST_TEST(test_attr("{1.0,2.5},123.456",
53 stream >> ',' >> double_, d, blank) &&
54 at_c<0>(d).a == 1.0 && at_c<0>(d).b == 2.5 && at_c<1>(d) == 123.456);
55 }
56
57 return boost::report_errors();
58 }
59
60
61