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/*=============================================================================
Copyright (c) 2013 Carl Barron
Copyright (c) 2015 Joel de Guzman
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/detail/lightweight_test.hpp>
#include <boost/spirit/home/x3.hpp>
#include <boost/fusion/include/at.hpp>
#include <boost/fusion/include/vector.hpp>
#include <boost/fusion/include/adapt_struct.hpp>
#include <boost/mpl/int.hpp>
#include <boost/optional.hpp>
#include <iostream>
#include <numeric>
#include <vector>
#include "test.hpp"
struct roman
{
boost::optional<int> a;
boost::optional<int> b;
boost::optional<int> c;
};
BOOST_FUSION_ADAPT_STRUCT(roman,
a, b, c
)
int eval(roman const & c)
{
return c.a.get_value_or(0) + c.b.get_value_or(0) + c.c.get_value_or(0);
}
int
main()
{
using spirit_test::test;
using spirit_test::test_attr;
using boost::spirit::x3::symbols;
{ // construction from initializer-list
symbols<int> const ones =
{
{"I", 1}, {"II", 2}, {"III", 3}, {"IV", 4},
{"V", 5}, {"VI", 6}, {"VII", 7}, {"VIII", 8},
{"IX", 9}
};
symbols<int> const tens =
{
{"X", 10}, {"XX", 20}, {"XXX", 30}, {"XL", 40},
{"L", 50}, {"LX", 60}, {"LXX", 70}, {"LXXX", 80},
{"XC", 90}
};
symbols<int> const hundreds
{
{"C", 100}, {"CC", 200}, {"CCC", 300}, {"CD", 400},
{"D", 500}, {"DC", 600}, {"DCC", 700}, {"DCCC", 800},
{"CM", 900}
};
auto number = -hundreds >> -tens >> -ones;
roman r;
BOOST_TEST((test_attr("CDXLII", number, r)));
BOOST_TEST(eval(r) == 442);
}
{ // construction from initializer-list without attribute
symbols<> foo = {"a1", "a2", "a3"};
BOOST_TEST((test("a3", foo)));
}
{ // assignment from initializer-list
symbols<> foo;
foo = {"a1", "a2", "a3"};
BOOST_TEST((test("a3", foo)));
}
return boost::report_errors();
}
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