112 lines
3.1 KiB
C++
112 lines
3.1 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#include <boost/detail/lightweight_test.hpp>
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#include <boost/spirit/include/qi_char.hpp>
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#include <boost/spirit/include/qi_numeric.hpp>
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#include <boost/spirit/include/qi_operator.hpp>
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#include <boost/spirit/include/qi_action.hpp>
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#include <boost/spirit/include/qi_directive.hpp>
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#include <boost/spirit/include/support_argument.hpp>
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#include <boost/spirit/include/phoenix_core.hpp>
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#include <boost/spirit/include/phoenix_operator.hpp>
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#include <boost/fusion/adapted/struct.hpp>
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#include <iostream>
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#include "test.hpp"
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struct adata
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{
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int a;
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boost::optional<int> b;
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};
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BOOST_FUSION_ADAPT_STRUCT(
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adata,
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(int, a)
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(boost::optional<int>, b)
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)
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struct test_attribute_type
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{
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template <typename Attribute, typename Context>
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void operator()(Attribute&, Context&, bool&) const
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{
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BOOST_TEST(typeid(Attribute).name() == typeid(boost::optional<int>).name());
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}
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};
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int
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main()
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{
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using spirit_test::test;
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using spirit_test::test_attr;
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using boost::spirit::qi::_1;
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using boost::spirit::qi::int_;
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using boost::spirit::qi::omit;
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using boost::spirit::ascii::char_;
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{
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BOOST_TEST((test("1234", -int_)));
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BOOST_TEST((test("abcd", -int_, false)));
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}
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{ // test propagation of unused
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using boost::fusion::at_c;
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using boost::fusion::vector;
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vector<char, char> v;
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BOOST_TEST((test_attr("a1234c", char_ >> -omit[int_] >> char_, v)));
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BOOST_TEST((at_c<0>(v) == 'a'));
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BOOST_TEST((at_c<1>(v) == 'c'));
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v = boost::fusion::vector<char, char>();
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BOOST_TEST((test_attr("a1234c", char_ >> omit[-int_] >> char_, v)));
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BOOST_TEST((at_c<0>(v) == 'a'));
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BOOST_TEST((at_c<1>(v) == 'c'));
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char ch;
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BOOST_TEST((test_attr(",c", -(',' >> char_), ch)));
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BOOST_TEST((ch == 'c'));
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}
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{ // test action
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boost::optional<int> n = 0;
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BOOST_TEST((test_attr("1234", (-int_)[test_attribute_type()], n)));
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BOOST_TEST((n.get() == 1234));
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}
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{
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std::string s;
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BOOST_TEST((test_attr("abc", char_ >> -(char_ >> char_), s)));
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BOOST_TEST(s == "abc");
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}
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{
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namespace phx = boost::phoenix;
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boost::optional<int> n = 0;
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BOOST_TEST((test("1234", (-int_)[phx::ref(n) = _1])));
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BOOST_TEST(n.get() == 1234);
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n = boost::optional<int>();
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BOOST_TEST((test("abcd", (-int_)[phx::ref(n) = _1], false)));
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BOOST_TEST(!n);
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}
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{
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std::vector<adata> v;
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BOOST_TEST((test_attr("a 1 2 a 2", *("a" >> int_ >> -int_), v
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, char_(' '))));
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BOOST_TEST(2 == v.size() &&
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1 == v[0].a && v[0].b && 2 == *(v[0].b) &&
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2 == v[1].a && !v[1].b);
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}
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return boost::report_errors();
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}
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