spirit/test/karma/symbols2.cpp
2019-09-28 19:10:10 +03:00

147 lines
4.5 KiB
C++

// Copyright (c) 2001-2011 Hartmut Kaiser
//
// 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/spirit/include/karma_auxiliary.hpp>
#include <boost/spirit/include/karma_char.hpp>
#include <boost/spirit/include/karma_string.hpp>
#include <boost/spirit/include/karma_operator.hpp>
#include <boost/spirit/include/karma_directive.hpp>
#include <boost/spirit/include/karma_generate.hpp>
#include <boost/spirit/include/karma_nonterminal.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include "test.hpp"
namespace fusion = boost::fusion;
template <typename T>
inline std::vector<T>
make_vector(T const& t1, T const& t2)
{
std::vector<T> v;
v.push_back(t1);
v.push_back(t2);
return v;
}
int main()
{
using spirit_test::test;
using boost::spirit::karma::symbols;
{ // advanced
using boost::spirit::karma::rule;
using boost::spirit::karma::lit;
typedef spirit_test::output_iterator<char>::type output_iterator_type;
symbols<char, rule<output_iterator_type> > sym;
rule<output_iterator_type> r1 = lit("Joel");
rule<output_iterator_type> r2 = lit("Hartmut");
rule<output_iterator_type> r3 = lit("Tom");
rule<output_iterator_type> r4 = lit("Kim");
sym.add
('j', r1.alias())
('h', r2.alias())
('t', r3.alias())
('k', r4.alias())
;
BOOST_TEST_TRAIT_TRUE((
boost::spirit::traits::is_generator<
symbols<char, rule<output_iterator_type> > >));
BOOST_TEST((test("Joel", sym, 'j')));
BOOST_TEST((test("Hartmut", sym, 'h')));
BOOST_TEST((test("Tom", sym, 't')));
BOOST_TEST((test("Kim", sym, 'k')));
BOOST_TEST((!test("", sym, 'x')));
// test copy
symbols<char, rule<output_iterator_type> > sym2;
sym2 = sym;
BOOST_TEST((test("Joel", sym2, 'j')));
BOOST_TEST((test("Hartmut", sym2, 'h')));
BOOST_TEST((test("Tom", sym2, 't')));
BOOST_TEST((test("Kim", sym2, 'k')));
BOOST_TEST((!test("", sym2, 'x')));
// make sure it plays well with other generators
BOOST_TEST((test("Joelyo", sym << "yo", 'j')));
sym.remove
('j')
('h')
;
BOOST_TEST((!test("", sym, 'j')));
BOOST_TEST((!test("", sym, 'h')));
}
{ // more advanced
using boost::spirit::karma::rule;
using boost::spirit::karma::lit;
using boost::spirit::karma::string;
typedef spirit_test::output_iterator<char>::type output_iterator_type;
symbols<char, rule<output_iterator_type, std::string()> > sym;
rule<output_iterator_type, std::string()> r1 = string;
sym.add
('j', r1.alias())
('h', r1.alias())
('t', r1.alias())
('k', r1.alias())
;
BOOST_TEST_TRAIT_TRUE((
boost::spirit::traits::is_generator<
symbols<char, std::string> >));
BOOST_TEST((test("Joel", sym, fusion::make_vector('j', "Joel"))));
BOOST_TEST((test("Hartmut", sym, fusion::make_vector('h', "Hartmut"))));
BOOST_TEST((test("Tom", sym, fusion::make_vector('t', "Tom"))));
BOOST_TEST((test("Kim", sym, fusion::make_vector('k', "Kim"))));
BOOST_TEST((!test("", sym, 'x')));
// test copy
symbols<char, rule<output_iterator_type, std::string()> > sym2;
sym2 = sym;
BOOST_TEST((test("Joel", sym2, fusion::make_vector('j', "Joel"))));
BOOST_TEST((test("Hartmut", sym2, fusion::make_vector('h', "Hartmut"))));
BOOST_TEST((test("Tom", sym2, fusion::make_vector('t', "Tom"))));
BOOST_TEST((test("Kim", sym2, fusion::make_vector('k', "Kim"))));
BOOST_TEST((!test("", sym2, 'x')));
// make sure it plays well with other generators
BOOST_TEST((test("Joelyo", sym << "yo", fusion::make_vector('j', "Joel"))));
sym.remove
('j')
('h')
;
BOOST_TEST((!test("", sym, 'j')));
BOOST_TEST((!test("", sym, 'h')));
}
{ // test for proto problem with rvalue references (10-11-2011)
symbols<char, std::string> sym;
sym += std::make_pair('j', "Joel");
sym += std::make_pair('h', "Hartmut");
BOOST_TEST((test("Joel", sym, 'j')));
BOOST_TEST((test("Hartmut", sym, 'h')));
}
return boost::report_errors();
}