spirit/test/qi/kleene.cpp

143 lines
4.0 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 <string>
#include <vector>
#include <boost/detail/lightweight_test.hpp>
#include <boost/spirit/include/qi_operator.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_directive.hpp>
#include <boost/spirit/include/qi_action.hpp>
#include <boost/spirit/include/support_argument.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <string>
#include <iostream>
#include "test.hpp"
struct x_attr
{
};
namespace boost { namespace spirit { namespace traits
{
template <>
struct container_value<x_attr>
{
typedef char type; // value type of container
};
template <>
struct push_back_container<x_attr, char>
{
static bool call(x_attr& /*c*/, char /*val*/)
{
// push back value type into container
return true;
}
};
}}}
int
main()
{
using spirit_test::test;
using spirit_test::test_attr;
using namespace boost::spirit::ascii;
using boost::spirit::qi::omit;
using boost::spirit::qi::uint_;
using boost::spirit::qi::int_;
using boost::spirit::qi::lexeme;
{
BOOST_TEST(test("aaaaaaaa", *char_));
BOOST_TEST(test("a", *char_));
BOOST_TEST(test("", *char_));
BOOST_TEST(test("aaaaaaaa", *alpha));
BOOST_TEST(!test("aaaaaaaa", *upper));
}
{
BOOST_TEST(test(" a a aaa aa", *char_, space));
BOOST_TEST(test("12345 678 9", *digit, space));
}
{
BOOST_TEST(test("aBcdeFGH", no_case[*char_]));
BOOST_TEST(test("a B cde FGH", no_case[*char_], space));
}
{
BOOST_TEST(test("12345 678 955 987", *uint_, space));
BOOST_TEST(test("12345, 678, 955, 987", uint_ >> *(',' >> uint_), space));
}
{
std::string s;
BOOST_TEST(test_attr("bbbb", *char_, s) && 4 == s.size() && s == "bbbb");
s.clear();
BOOST_TEST(test_attr("b b b b ", *char_, s, space) && s == "bbbb");
// The following 2 tests show that omit does not inhibit explicit attributes
s.clear();
BOOST_TEST(test_attr("bbbb", omit[*char_('b')], s) && s == "bbbb");
s.clear();
BOOST_TEST(test_attr("b b b b", omit[*char_('b')], s, space) && s == "bbbb");
}
{
std::vector<int> v;
BOOST_TEST(test_attr("123 456 789 10", *int_, v, space) && 4 == v.size() &&
v[0] == 123 && v[1] == 456 && v[2] == 789 && v[3] == 10);
}
{
std::vector<std::string> v;
BOOST_TEST(test_attr("a b c d", *lexeme[+alpha], v, space) && 4 == v.size() &&
v[0] == "a" && v[1] == "b" && v[2] == "c" && v[3] == "d");
}
{
std::vector<int> v;
BOOST_TEST(test_attr("123 456 789", *int_, v, space) && 3 == v.size() &&
v[0] == 123 && v[1] == 456 && v[2] == 789);
}
{ // actions
namespace phx = boost::phoenix;
using boost::spirit::_1;
std::vector<char> v;
BOOST_TEST(test("bbbb", (*char_)[phx::ref(v) = _1]) && 4 == v.size() &&
v[0] == 'b' && v[1] == 'b' && v[2] == 'b' && v[3] == 'b');
}
{ // more actions
namespace phx = boost::phoenix;
using boost::spirit::_1;
std::vector<int> v;
BOOST_TEST(test("123 456 789", (*int_)[phx::ref(v) = _1], space) && 3 == v.size() &&
v[0] == 123 && v[1] == 456 && v[2] == 789);
}
{ // attribute customization
x_attr x;
test_attr("abcde", *char_, x);
}
return boost::report_errors();
}