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/*=============================================================================
Copyright (c) 2001-2011 Hartmut Kaiser
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/config/warning_disable.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <boost/spirit/include/phoenix_limits.hpp>
#include <boost/fusion/include/struct.hpp>
#include <boost/fusion/include/nview.hpp>
#include <boost/spirit/include/qi_char.hpp>
#include <boost/spirit/include/qi_string.hpp>
#include <boost/spirit/include/qi_numeric.hpp>
#include <boost/spirit/include/qi_operator.hpp>
#include <boost/spirit/include/qi_nonterminal.hpp>
#include <boost/spirit/include/qi_auxiliary.hpp>
#include <iostream>
#include <vector>
#include <string>
#include "test.hpp"
///////////////////////////////////////////////////////////////////////////////
struct test_data
{
std::string s1;
std::string s2;
int i1;
double d1;
std::string s3;
};
BOOST_FUSION_ADAPT_STRUCT(
test_data,
(int, i1)
(std::string, s1)
(std::string, s2)
(std::string, s3)
(double, d1)
)
///////////////////////////////////////////////////////////////////////////////
struct test_int_data1
{
int i;
};
// we provide a custom attribute transformation taking copy of the actual
// attribute value, simulating more complex type transformations
namespace boost { namespace spirit { namespace traits
{
template <>
struct transform_attribute<test_int_data1, int, qi::domain>
{
typedef int type;
static int pre(test_int_data1& d) { return d.i; }
static void post(test_int_data1& d, int i) { d.i = i; }
static void fail(test_int_data1&) {}
};
}}}
///////////////////////////////////////////////////////////////////////////////
struct test_int_data2
{
int i;
};
// we provide a simple custom attribute transformation utilizing passing the
// actual attribute by reference
namespace boost { namespace spirit { namespace traits
{
template <>
struct transform_attribute<test_int_data2, int, qi::domain>
{
typedef int& type;
static int& pre(test_int_data2& d) { return d.i; }
static void post(test_int_data2&, int const&) {}
static void fail(test_int_data2&) {}
};
}}}
///////////////////////////////////////////////////////////////////////////////
int
main()
{
using spirit_test::test_attr;
namespace qi = boost::spirit::qi;
namespace fusion = boost::fusion;
{
std::vector<test_int_data1> v;
qi::rule<char const*, int()> r = qi::int_;
BOOST_TEST(test_attr("1,2", r % ',', v));
BOOST_TEST(v.size() == 2 && v[0].i == 1 && v[1].i == 2);
}
{
std::vector<double> v;
qi::rule<char const*, int()> r = qi::int_;
BOOST_TEST(test_attr("1,2", r % ',', v));
BOOST_TEST(v.size() == 2 && v[0] == 1.0 && v[1] == 2.0);
}
{
std::vector<test_int_data1> v;
// this won't compile as there is no defined transformation for
// test_int_data1 and double
// BOOST_TEST(test_attr("1.0,2.2", qi::attr_cast(qi::double_) % ',', v));
// BOOST_TEST(test_attr("1.0,2.2"
// , qi::attr_cast<test_int_data1>(qi::double_) % ',', v));
BOOST_TEST(test_attr("1.0,2.2"
, qi::attr_cast<test_int_data1, int>(qi::double_) % ',', v));
BOOST_TEST(v.size() == 2 && v[0].i == 1 && v[1].i == 2);
qi::rule<char const*, int()> r = qi::double_;
v.clear();
BOOST_TEST(test_attr("1.0,2.0", r % ',', v));
BOOST_TEST(v.size() == 2 && v[0].i == 1 && v[1].i == 2);
}
// testing explicit transformation if attribute is taken by reference
{
test_int_data2 d = { 0 };
BOOST_TEST(test_attr("1", qi::attr_cast(qi::int_), d));
BOOST_TEST(d.i == 1);
BOOST_TEST(test_attr("2", qi::attr_cast<test_int_data2>(qi::int_), d));
BOOST_TEST(d.i == 2);
BOOST_TEST(test_attr("3", qi::attr_cast<test_int_data2, int>(qi::int_), d));
BOOST_TEST(d.i == 3);
}
{
std::vector<test_int_data2> v;
BOOST_TEST(test_attr("1,2", qi::attr_cast(qi::int_) % ',', v));
BOOST_TEST(v.size() == 2 && v[0].i == 1 && v[1].i == 2);
v.clear();
BOOST_TEST(test_attr("1,2"
, qi::attr_cast<test_int_data2>(qi::int_) % ',', v));
BOOST_TEST(v.size() == 2 && v[0].i == 1 && v[1].i == 2);
v.clear();
BOOST_TEST(test_attr("1,2"
, qi::attr_cast<test_int_data2, int>(qi::int_) % ',', v));
BOOST_TEST(v.size() == 2 && v[0].i == 1 && v[1].i == 2);
}
{
std::vector<test_int_data2> v;
qi::rule<char const*, int()> r = qi::int_;
BOOST_TEST(test_attr("1,2", r % ',', v));
BOOST_TEST(v.size() == 2 && v[0].i == 1 && v[1].i == 2);
}
{
std::vector<test_int_data2> v;
// this won't compile as there is no defined transformation for
// test_int_data2 and double
// BOOST_TEST(test_attr("1.0,2.2", qi::attr_cast(qi::double_) % ',', v));
// BOOST_TEST(test_attr("1.0,2.2"
// , qi::attr_cast<test_int_data2>(qi::double_) % ',', v));
BOOST_TEST(test_attr("1.0,2.2"
, qi::attr_cast<test_int_data2, int>(qi::double_) % ',', v));
BOOST_TEST(v.size() == 2 && v[0].i == 1 && v[1].i == 2);
qi::rule<char const*, int()> r = qi::double_;
v.clear();
BOOST_TEST(test_attr("1.0,2.0", r % ',', v));
BOOST_TEST(v.size() == 2 && v[0].i == 1 && v[1].i == 2);
}
return boost::report_errors();
}
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