141 lines
3.7 KiB
C++
141 lines
3.7 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2015 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 <string>
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#include <vector>
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#include <boost/detail/lightweight_test.hpp>
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#include <boost/spirit/home/x3.hpp>
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#include <boost/fusion/include/vector.hpp>
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#include <string>
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#include <iostream>
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#include "test.hpp"
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#include "utils.hpp"
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struct x_attr
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{
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};
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namespace boost { namespace spirit { namespace x3 { namespace traits
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{
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template <>
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struct container_value<x_attr>
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{
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typedef char type; // value type of container
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};
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template <>
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struct push_back_container<x_attr>
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{
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static bool call(x_attr& /*c*/, char /*val*/)
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{
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// push back value type into container
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return true;
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}
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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::x3::char_;
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using boost::spirit::x3::alpha;
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using boost::spirit::x3::upper;
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using boost::spirit::x3::space;
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using boost::spirit::x3::digit;
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//~ using boost::spirit::x3::no_case;
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using boost::spirit::x3::int_;
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using boost::spirit::x3::omit;
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using boost::spirit::x3::lit;
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//~ using boost::spirit::x3::_1;
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using boost::spirit::x3::lexeme;
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{
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BOOST_TEST(test("aaaaaaaa", +char_));
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BOOST_TEST(test("a", +char_));
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BOOST_TEST(!test("", +char_));
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BOOST_TEST(test("aaaaaaaa", +alpha));
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BOOST_TEST(!test("aaaaaaaa", +upper));
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}
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{
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BOOST_TEST(test(" a a aaa aa", +char_, space));
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BOOST_TEST(test("12345 678 9 ", +digit, space));
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}
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//~ {
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//~ BOOST_TEST(test("aBcdeFGH", no_case[+char_]));
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//~ BOOST_TEST(test("a B cde FGH ", no_case[+char_], space));
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//~ }
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{
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std::vector<int> v;
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BOOST_TEST(test_attr("123 456 789 10", +int_, v, space) && 4 == v.size() &&
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v[0] == 123 && v[1] == 456 && v[2] == 789 && v[3] == 10);
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}
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{
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std::vector<std::string> v;
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BOOST_TEST(test_attr("a b c d", +lexeme[+alpha], v, space) && 4 == v.size() &&
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v[0] == "a" && v[1] == "b" && v[2] == "c" && v[3] == "d");
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}
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{
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BOOST_TEST(test("Kim Kim Kim", +lit("Kim"), space));
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}
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// $$$ Fixme $$$
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/*{
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// The following 2 tests show that omit does not inhibit explicit attributes
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std::string s;
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BOOST_TEST(test_attr("bbbb", omit[+char_('b')], s) && s == "bbbb");
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s.clear();
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BOOST_TEST(test_attr("b b b b ", omit[+char_('b')], s, space) && s == "bbbb");
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}*/
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{ // actions
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std::string v;
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auto f = [&](auto& ctx){ v = _attr(ctx); };
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BOOST_TEST(test("bbbb", (+char_)[f]) && 4 == v.size() &&
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v[0] == 'b' && v[1] == 'b' && v[2] == 'b' && v[3] == 'b');
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}
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{ // more actions
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std::vector<int> v;
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auto f = [&](auto& ctx){ v = _attr(ctx); };
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BOOST_TEST(test("1 2 3", (+int_)[f], space) && 3 == v.size() &&
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v[0] == 1 && v[1] == 2 && v[2] == 3);
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}
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{ // attribute customization
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x_attr x;
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test_attr("abcde", +char_, x);
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}
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// single-element fusion vector tests
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{
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boost::fusion::vector<std::string> fs;
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BOOST_TEST((test_attr("12345", +char_, fs))); // ok
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BOOST_TEST(boost::fusion::at_c<0>(fs) == "12345");
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}
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{ // test move only types
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std::vector<move_only> v;
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BOOST_TEST(test_attr("sss", +synth_move_only, v));
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BOOST_TEST_EQ(v.size(), 3);
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}
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return boost::report_errors();
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}
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