boost_1_45_0/libs/spirit/test/qi/kleene.cpp

/*=============================================================================
    Copyright (c) 2001-2010 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 4 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("bbbb", omit[*char_('b')], s) && s == "bbbb");

        s.clear();
        BOOST_TEST(test_attr("b b b b", *omit[char_('b')], s, space) && 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();
}