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_symbols.hpp>
7
8#include <boost/spirit/include/karma_auxiliary.hpp>
9#include <boost/spirit/include/karma_char.hpp>
10#include <boost/spirit/include/karma_string.hpp>
11#include <boost/spirit/include/karma_operator.hpp>
12#include <boost/spirit/include/karma_directive.hpp>
13#include <boost/spirit/include/karma_generate.hpp>
14#include <boost/spirit/include/karma_nonterminal.hpp>
15
16#include <boost/core/lightweight_test_trait.hpp>
17
18#include "test.hpp"
19
20namespace fusion = boost::fusion;
21
22template <typename T>
23inline std::vector<T>
24make_vector(T const& t1, T const& t2)
25{
26 std::vector<T> v;
27 v.push_back(t1);
28 v.push_back(t2);
29 return v;
30}
31
32int main()
33{
34 using spirit_test::test;
35 using boost::spirit::karma::symbols;
36
37 { // advanced
38 using boost::spirit::karma::rule;
39 using boost::spirit::karma::lit;
40
41 typedef spirit_test::output_iterator<char>::type output_iterator_type;
42
43 symbols<char, rule<output_iterator_type> > sym;
44
45 rule<output_iterator_type> r1 = lit("Joel");
46 rule<output_iterator_type> r2 = lit("Hartmut");
47 rule<output_iterator_type> r3 = lit("Tom");
48 rule<output_iterator_type> r4 = lit("Kim");
49
50 sym.add
51 ('j', r1.alias())
52 ('h', r2.alias())
53 ('t', r3.alias())
54 ('k', r4.alias())
55 ;
56
57 BOOST_TEST_TRAIT_TRUE((
58 boost::spirit::traits::is_generator<
59 symbols<char, rule<output_iterator_type> > >));
60
61 BOOST_TEST((test("Joel", sym, 'j')));
62 BOOST_TEST((test("Hartmut", sym, 'h')));
63 BOOST_TEST((test("Tom", sym, 't')));
64 BOOST_TEST((test("Kim", sym, 'k')));
65 BOOST_TEST((!test("", sym, 'x')));
66
67 // test copy
68 symbols<char, rule<output_iterator_type> > sym2;
69 sym2 = sym;
70 BOOST_TEST((test("Joel", sym2, 'j')));
71 BOOST_TEST((test("Hartmut", sym2, 'h')));
72 BOOST_TEST((test("Tom", sym2, 't')));
73 BOOST_TEST((test("Kim", sym2, 'k')));
74 BOOST_TEST((!test("", sym2, 'x')));
75
76 // make sure it plays well with other generators
77 BOOST_TEST((test("Joelyo", sym << "yo", 'j')));
78
79 sym.remove
80 ('j')
81 ('h')
82 ;
83
84 BOOST_TEST((!test("", sym, 'j')));
85 BOOST_TEST((!test("", sym, 'h')));
86 }
87
88 { // more advanced
89 using boost::spirit::karma::rule;
90 using boost::spirit::karma::lit;
91 using boost::spirit::karma::string;
92
93 typedef spirit_test::output_iterator<char>::type output_iterator_type;
94
95 symbols<char, rule<output_iterator_type, std::string()> > sym;
96 rule<output_iterator_type, std::string()> r1 = string;
97
98 sym.add
99 ('j', r1.alias())
100 ('h', r1.alias())
101 ('t', r1.alias())
102 ('k', r1.alias())
103 ;
104
105 BOOST_TEST_TRAIT_TRUE((
106 boost::spirit::traits::is_generator<
107 symbols<char, std::string> >));
108
109 BOOST_TEST((test("Joel", sym, fusion::make_vector('j', "Joel"))));
110 BOOST_TEST((test("Hartmut", sym, fusion::make_vector('h', "Hartmut"))));
111 BOOST_TEST((test("Tom", sym, fusion::make_vector('t', "Tom"))));
112 BOOST_TEST((test("Kim", sym, fusion::make_vector('k', "Kim"))));
113 BOOST_TEST((!test("", sym, 'x')));
114
115 // test copy
116 symbols<char, rule<output_iterator_type, std::string()> > sym2;
117 sym2 = sym;
118 BOOST_TEST((test("Joel", sym2, fusion::make_vector('j', "Joel"))));
119 BOOST_TEST((test("Hartmut", sym2, fusion::make_vector('h', "Hartmut"))));
120 BOOST_TEST((test("Tom", sym2, fusion::make_vector('t', "Tom"))));
121 BOOST_TEST((test("Kim", sym2, fusion::make_vector('k', "Kim"))));
122 BOOST_TEST((!test("", sym2, 'x')));
123
124 // make sure it plays well with other generators
125 BOOST_TEST((test("Joelyo", sym << "yo", fusion::make_vector('j', "Joel"))));
126
127 sym.remove
128 ('j')
129 ('h')
130 ;
131
132 BOOST_TEST((!test("", sym, 'j')));
133 BOOST_TEST((!test("", sym, 'h')));
134 }
135
136 { // test for proto problem with rvalue references (10-11-2011)
137 symbols<char, std::string> sym;
138
139 sym += std::make_pair(x: 'j', y: "Joel");
140 sym += std::make_pair(x: 'h', y: "Hartmut");
141
142 BOOST_TEST((test("Joel", sym, 'j')));
143 BOOST_TEST((test("Hartmut", sym, 'h')));
144 }
145
146 return boost::report_errors();
147}
148

source code of boost/libs/spirit/test/karma/symbols2.cpp