80 lines
2.3 KiB
C++
80 lines
2.3 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/config/warning_disable.hpp>
|
|
#include <boost/detail/lightweight_test.hpp>
|
|
|
|
#include <boost/spirit/include/karma.hpp>
|
|
#include <boost/fusion/include/std_pair.hpp>
|
|
#include <boost/spirit/include/phoenix_core.hpp>
|
|
#include <boost/spirit/include/phoenix_operator.hpp>
|
|
|
|
#include <iostream>
|
|
#include "test.hpp"
|
|
|
|
using namespace spirit_test;
|
|
|
|
int main()
|
|
{
|
|
using boost::spirit::karma::_1;
|
|
using boost::spirit::karma::_a;
|
|
using boost::spirit::karma::double_;
|
|
using boost::spirit::karma::int_;
|
|
using boost::spirit::karma::omit;
|
|
using boost::spirit::karma::skip;
|
|
using boost::spirit::karma::rule;
|
|
using boost::spirit::karma::locals;
|
|
|
|
typedef spirit_test::output_iterator<char>::type outiter_type;
|
|
typedef std::pair<std::vector<int>, int> attribute_type;
|
|
|
|
rule<outiter_type, attribute_type(), locals<int> > r;
|
|
|
|
attribute_type a;
|
|
a.first.push_back(0x01);
|
|
a.first.push_back(0x02);
|
|
a.first.push_back(0x04);
|
|
a.first.push_back(0x08);
|
|
a.second = 0;
|
|
|
|
// omit[] is supposed to execute the embedded generator
|
|
{
|
|
std::pair<double, double> p (1.0, 2.0);
|
|
BOOST_TEST(test("2.0", omit[double_] << double_, p));
|
|
|
|
r %= omit[ *(int_[_a = _a + _1]) ] << int_[_1 = _a];
|
|
BOOST_TEST(test("15", r, a));
|
|
}
|
|
|
|
// even if omit[] never fails, it has to honor the result of the
|
|
// embedded generator
|
|
{
|
|
typedef std::pair<double, double> attribute_type;
|
|
rule<outiter_type, attribute_type()> r;
|
|
|
|
r %= omit[double_(1.0) << double_] | "42";
|
|
|
|
attribute_type p1 (1.0, 2.0);
|
|
BOOST_TEST(test("", r, p1));
|
|
|
|
attribute_type p2 (10.0, 2.0);
|
|
BOOST_TEST(test("42", r, p2));
|
|
}
|
|
|
|
// skip[] is not supposed to execute the embedded generator
|
|
{
|
|
using boost::spirit::karma::double_;
|
|
using boost::spirit::karma::skip;
|
|
|
|
std::pair<double, double> p (1.0, 2.0);
|
|
BOOST_TEST(test("2.0", skip[double_] << double_, p));
|
|
|
|
r %= skip[ *(int_[_a = _a + _1]) ] << int_[_1 = _a];
|
|
BOOST_TEST(test("0", r, a));
|
|
}
|
|
|
|
return boost::report_errors();
|
|
}
|