spirit/test/x3/no_skip.cpp
2015-05-14 02:13:24 +08:00

51 lines
1.6 KiB
C++

/*=============================================================================
Copyright (c) 2001-2015 Joel de Guzman
Copyright (c) 2013 Agustin Berge
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/home/x3.hpp>
#include <iostream>
#include "test.hpp"
int
main()
{
using spirit_test::test;
using spirit_test::test_attr;
using boost::spirit::x3::ascii::space;
using boost::spirit::x3::ascii::space_type;
using boost::spirit::x3::ascii::char_;
using boost::spirit::x3::lexeme;
using boost::spirit::x3::no_skip;
// without skipping no_skip is equivalent to lexeme
{
std::string str;
BOOST_TEST((test_attr("' abc '", '\'' >> no_skip[+~char_('\'')] >> '\'', str)));
BOOST_TEST(str == " abc ");
}
{
std::string str;
BOOST_TEST((test_attr("' abc '", '\'' >> lexeme[+~char_('\'')] >> '\'', str)));
BOOST_TEST(str == " abc ");
}
// with skipping, no_skip allows to match a leading skipper
{
std::string str;
BOOST_TEST((test_attr("' abc '", '\'' >> no_skip[+~char_('\'')] >> '\'', str, space)));
BOOST_TEST(str == " abc ");
}
{
std::string str;
BOOST_TEST((test_attr("' abc '", '\'' >> lexeme[+~char_('\'')] >> '\'', str, space)));
BOOST_TEST(str == "abc ");
}
return boost::report_errors();
}