1// Copyright (c) 2001-2011 Hartmut Kaiser
2//
3// Distributed under the Boost Software License, Version 1.0. (See accompanying
4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6#include <boost/spirit/include/karma_grammar.hpp>
7
8#include <boost/spirit/include/karma_operator.hpp>
9#include <boost/spirit/include/karma_char.hpp>
10#include <boost/spirit/include/karma_string.hpp>
11#include <boost/spirit/include/karma_numeric.hpp>
12#include <boost/spirit/include/karma_nonterminal.hpp>
13#include <boost/spirit/include/karma_action.hpp>
14
15#include <string>
16#include <iostream>
17
18#include "test.hpp"
19
20using namespace spirit_test;
21using namespace boost::spirit;
22using namespace boost::spirit::ascii;
23
24typedef spirit_test::output_iterator<char>::type outiter_type;
25
26struct num_list : karma::grammar<outiter_type, space_type>
27{
28 num_list() : num_list::base_type(start)
29 {
30 using boost::spirit::int_;
31 num1 = int_(123);
32 num2 = int_(456);
33 num3 = int_(789);
34 start = num1 << ',' << num2 << ',' << num3;
35 }
36
37 karma::rule<outiter_type, space_type> start, num1, num2, num3;
38};
39
40int
41main()
42{
43 { // simple grammar test
44 num_list nlist;
45 BOOST_TEST(test_delimited("123 , 456 , 789 ", nlist, space));
46 }
47
48 { // direct access to the rules
49 num_list def;
50 BOOST_TEST(test_delimited("123 ", def.num1, space));
51 BOOST_TEST(test_delimited("123 , 456 , 789 ", def.start, space));
52 }
53
54 return boost::report_errors();
55}
56
57

source code of boost/libs/spirit/test/karma/grammar.cpp