1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*=============================================================================
Copyright (c) 2001-2011 Hartmut Kaiser
Copyright (c) 2011 Brian O'Kennedy
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#include <boost/config/warning_disable.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <boost/spirit/include/qi_char.hpp>
#include <boost/spirit/include/qi_numeric.hpp>
#include <boost/spirit/include/qi_stream.hpp>
#include <boost/spirit/include/qi_operator.hpp>
#include "test.hpp"
struct complex
{
complex (double a = 0.0, double b = 0.0) : a(a), b(b) {}
double a, b;
};
std::istream& operator>> (std::istream& is, complex& z)
{
char lbrace = '\0', comma = '\0', rbrace = '\0';
is >> lbrace >> z.a >> comma >> z.b >> rbrace;
if (lbrace != '{' || comma != ',' || rbrace != '}')
is.setstate(std::ios_base::failbit);
return is;
}
int main()
{
using spirit_test::test_attr;
{
using boost::spirit::qi::blank;
using boost::spirit::qi::double_;
using boost::spirit::qi::stream;
using boost::spirit::qi::stream_parser;
using boost::fusion::at_c;
complex c;
BOOST_TEST(test_attr("{1.0,2.5}",
stream_parser<char, complex>(), c, blank) &&
c.a == 1.0 && c.b == 2.5);
boost::fusion::vector<complex, double> d;
BOOST_TEST(test_attr("{1.0,2.5},123.456",
stream >> ',' >> double_, d, blank) &&
at_c<0>(d).a == 1.0 && at_c<0>(d).b == 2.5 && at_c<1>(d) == 123.456);
}
return boost::report_errors();
}
|
