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/*=============================================================================
Copyright (c) 2001-2011 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/include/qi_char.hpp>
#include <boost/spirit/include/qi_numeric.hpp>
#include <boost/spirit/include/qi_operator.hpp>
#include <boost/spirit/include/qi_action.hpp>
#include <boost/spirit/include/qi_directive.hpp>
#include <boost/spirit/include/support_argument.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <boost/fusion/adapted/struct.hpp>
#include <iostream>
#include "test.hpp"
struct adata
{
int a;
boost::optional<int> b;
};
BOOST_FUSION_ADAPT_STRUCT(
adata,
(int, a)
(boost::optional<int>, b)
)
struct test_attribute_type
{
template <typename Attribute, typename Context>
void operator()(Attribute&, Context&, bool&) const
{
BOOST_TEST(typeid(Attribute).name() == typeid(boost::optional<int>).name());
}
};
int
main()
{
using spirit_test::test;
using spirit_test::test_attr;
using boost::spirit::qi::_1;
using boost::spirit::qi::int_;
using boost::spirit::qi::omit;
using boost::spirit::ascii::char_;
{
BOOST_TEST((test("1234", -int_)));
BOOST_TEST((test("abcd", -int_, false)));
}
{ // test propagation of unused
using boost::fusion::at_c;
using boost::fusion::vector;
vector<char, char> v;
BOOST_TEST((test_attr("a1234c", char_ >> -omit[int_] >> char_, v)));
BOOST_TEST((at_c<0>(v) == 'a'));
BOOST_TEST((at_c<1>(v) == 'c'));
v = boost::fusion::vector<char, char>();
BOOST_TEST((test_attr("a1234c", char_ >> omit[-int_] >> char_, v)));
BOOST_TEST((at_c<0>(v) == 'a'));
BOOST_TEST((at_c<1>(v) == 'c'));
char ch;
BOOST_TEST((test_attr(",c", -(',' >> char_), ch)));
BOOST_TEST((ch == 'c'));
}
{ // test action
boost::optional<int> n = 0;
BOOST_TEST((test_attr("1234", (-int_)[test_attribute_type()], n)));
BOOST_TEST((n.get() == 1234));
}
{
std::string s;
BOOST_TEST((test_attr("abc", char_ >> -(char_ >> char_), s)));
BOOST_TEST(s == "abc");
}
{
namespace phx = boost::phoenix;
boost::optional<int> n = 0;
BOOST_TEST((test("1234", (-int_)[phx::ref(n) = _1])));
BOOST_TEST(n.get() == 1234);
n = boost::optional<int>();
BOOST_TEST((test("abcd", (-int_)[phx::ref(n) = _1], false)));
BOOST_TEST(!n);
}
{
std::vector<adata> v;
BOOST_TEST((test_attr("a 1 2 a 2", *("a" >> int_ >> -int_), v
, char_(' '))));
BOOST_TEST(2 == v.size() &&
1 == v[0].a && v[0].b && 2 == *(v[0].b) &&
2 == v[1].a && !v[1].b);
}
return boost::report_errors();
}
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