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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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