spirit/test/qi/skip.cpp

56 lines
1.9 KiB
C++

/*=============================================================================
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_directive.hpp>
#include <boost/spirit/include/qi_operator.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <iostream>
#include "test.hpp"
int
main()
{
using spirit_test::test;
using spirit_test::test_attr;
using boost::spirit::qi::skip;
using boost::spirit::qi::lexeme;
using boost::spirit::qi::lit;
using boost::spirit::ascii::char_;
using boost::spirit::ascii::space;
using boost::spirit::ascii::alpha;
{
BOOST_TEST((test("a b c d", skip(space)[*char_])));
}
{ // test attribute
std::string s;
BOOST_TEST((test_attr("a b c d", skip(space)[*char_], s)));
BOOST_TEST(s == "abcd");
}
{ // reskip
BOOST_TEST((test("ab c d", lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']], space)));
BOOST_TEST((test("abcd", lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']], space)));
BOOST_TEST(!(test("a bcd", lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']], space)));
BOOST_TEST((test("ab c d", lexeme[lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']]], space)));
BOOST_TEST((test("abcd", lexeme[lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']]], space)));
BOOST_TEST(!(test("a bcd", lexeme[lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']]], space)));
}
{ // lazy skip
using boost::phoenix::val;
BOOST_TEST((test("a b c d", skip(val(space))[*char_])));
}
return boost::report_errors();
}