1 /*=============================================================================
2 Copyright (c) 2001-2011 Joel de Guzman
3
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 =============================================================================*/
7 #include <string>
8 #include <vector>
9
10 #include <boost/detail/lightweight_test.hpp>
11 #include <boost/utility/enable_if.hpp>
12
13 #include <boost/spirit/include/qi_operator.hpp>
14 #include <boost/spirit/include/qi_char.hpp>
15 #include <boost/spirit/include/qi_string.hpp>
16 #include <boost/spirit/include/qi_numeric.hpp>
17 #include <boost/spirit/include/qi_directive.hpp>
18 #include <boost/spirit/include/qi_action.hpp>
19 #include <boost/spirit/include/support_argument.hpp>
20 #include <boost/spirit/include/phoenix_core.hpp>
21 #include <boost/spirit/include/phoenix_operator.hpp>
22
23 #include <string>
24 #include <iostream>
25 #include "test.hpp"
26
27 struct x_attr
28 {
29 };
30
31 namespace boost { namespace spirit { namespace traits
32 {
33 template <>
34 struct container_value<x_attr>
35 {
36 typedef char type; // value type of container
37 };
38
39 template <>
40 struct push_back_container<x_attr, char>
41 {
callboost::spirit::traits::push_back_container42 static bool call(x_attr& /*c*/, char /*val*/)
43 {
44 // push back value type into container
45 return true;
46 }
47 };
48 }}}
49
50 int
main()51 main()
52 {
53 using spirit_test::test_attr;
54 using spirit_test::test;
55
56 using namespace boost::spirit::ascii;
57 using boost::spirit::qi::repeat;
58 using boost::spirit::qi::inf;
59 using boost::spirit::qi::omit;
60 using boost::spirit::qi::int_;
61 using boost::spirit::qi::_1;
62 using boost::spirit::qi::lexeme;
63
64 {
65 BOOST_TEST(test("aaaaaaaa", repeat[char_])); // kleene synonym
66 BOOST_TEST(test("aaaaaaaa", repeat(8)[char_]));
67 BOOST_TEST(!test("aa", repeat(3)[char_]));
68
69 BOOST_TEST(test("aaa", repeat(3, 5)[char_]));
70 BOOST_TEST(test("aaaaa", repeat(3, 5)[char_]));
71 BOOST_TEST(!test("aaaaaa", repeat(3, 5)[char_]));
72 BOOST_TEST(!test("aa", repeat(3, 5)[char_]));
73
74 BOOST_TEST(test("aaa", repeat(3, inf)[char_]));
75 BOOST_TEST(test("aaaaa", repeat(3, inf)[char_]));
76 BOOST_TEST(test("aaaaaa", repeat(3, inf)[char_]));
77 BOOST_TEST(!test("aa", repeat(3, inf)[char_]));
78 }
79
80 {
81 std::string s;
82 BOOST_TEST(test_attr("aaaaaaaa", repeat[char_ >> char_], s)); // kleene synonym
83 BOOST_TEST(s == "aaaaaaaa");
84
85 s.clear();
86 BOOST_TEST(test_attr("aaaaaaaa", repeat(4)[char_ >> char_], s));
87 BOOST_TEST(s == "aaaaaaaa");
88
89 BOOST_TEST(!test("aa", repeat(3)[char_ >> char_]));
90 BOOST_TEST(!test("a", repeat(1)[char_ >> char_]));
91
92 s.clear();
93 BOOST_TEST(test_attr("aa", repeat(1, 3)[char_ >> char_], s));
94 BOOST_TEST(s == "aa");
95
96 s.clear();
97 BOOST_TEST(test_attr("aaaaaa", repeat(1, 3)[char_ >> char_], s));
98 BOOST_TEST(s == "aaaaaa");
99
100 BOOST_TEST(!test("aaaaaaa", repeat(1, 3)[char_ >> char_]));
101 BOOST_TEST(!test("a", repeat(1, 3)[char_ >> char_]));
102
103 s.clear();
104 BOOST_TEST(test_attr("aaaa", repeat(2, inf)[char_ >> char_], s));
105 BOOST_TEST(s == "aaaa");
106
107 s.clear();
108 BOOST_TEST(test_attr("aaaaaa", repeat(2, inf)[char_ >> char_], s));
109 BOOST_TEST(s == "aaaaaa");
110
111 BOOST_TEST(!test("aa", repeat(2, inf)[char_ >> char_]));
112 }
113
114 { // from classic spirit tests
115 BOOST_TEST(test("", repeat(0, inf)['x']));
116
117 // repeat exact 8
118 #define rep8 repeat(8)[alpha] >> 'X'
119 BOOST_TEST(!test("abcdefgX", rep8, false));
120 BOOST_TEST(test("abcdefghX", rep8));
121 BOOST_TEST(!test("abcdefghiX", rep8, false));
122 BOOST_TEST(!test("abcdefgX", rep8, false));
123 BOOST_TEST(!test("aX", rep8, false));
124
125 // repeat 2 to 8
126 #define rep28 repeat(2, 8)[alpha] >> '*'
127 BOOST_TEST(test("abcdefg*", rep28));
128 BOOST_TEST(test("abcdefgh*", rep28));
129 BOOST_TEST(!test("abcdefghi*", rep28, false));
130 BOOST_TEST(!test("a*", rep28, false));
131
132 // repeat 2 or more
133 #define rep2_ repeat(2, inf)[alpha] >> '+'
134 BOOST_TEST(test("abcdefg+", rep2_));
135 BOOST_TEST(test("abcdefgh+", rep2_));
136 BOOST_TEST(test("abcdefghi+", rep2_));
137 BOOST_TEST(test("abcdefg+", rep2_));
138 BOOST_TEST(!test("a+", rep2_, false));
139
140 // repeat 0
141 #define rep0 repeat(0)[alpha] >> '/'
142 BOOST_TEST(test("/", rep0));
143 BOOST_TEST(!test("a/", rep0, false));
144
145 // repeat 0 or 1
146 #define rep01 repeat(0, 1)[alpha >> digit] >> '?'
147 BOOST_TEST(!test("abcdefg?", rep01, false));
148 BOOST_TEST(!test("a?", rep01, false));
149 BOOST_TEST(!test("1?", rep01, false));
150 BOOST_TEST(!test("11?", rep01, false));
151 BOOST_TEST(!test("aa?", rep01, false));
152 BOOST_TEST(test("?", rep01));
153 BOOST_TEST(test("a1?", rep01));
154 }
155
156 {
157 BOOST_TEST(test(" a a aaa aa", repeat(7)[char_], space));
158 BOOST_TEST(test("12345 678 9", repeat(9)[digit], space));
159 }
160
161 {
162 BOOST_TEST(test("aBcdeFGH", no_case[repeat(8)[lower]]));
163 BOOST_TEST(test("a B cde FGH", no_case[repeat(8)[lower]], space));
164 }
165
166 {
167 std::vector<std::string> v;
168 BOOST_TEST(test_attr("a b c d", repeat(4)[lexeme[+alpha]], v, space) && 4 == v.size() &&
169 v[0] == "a" && v[1] == "b" && v[2] == "c" && v[3] == "d");
170 }
171
172 {
173 std::string s;
174 BOOST_TEST(test_attr("bbbb", repeat(4)[char_], s) && s == "bbbb");
175
176 s.clear();
177 BOOST_TEST(test_attr("b b b b", repeat(4)[char_], s, space) && s == "bbbb");
178
179 // The following 2 tests show that omit does not inhibit explicit attributes
180 s.clear();
181 BOOST_TEST(test_attr("bbbb", omit[repeat(4)[char_('b')]], s) && s == "bbbb");
182
183 s.clear();
184 BOOST_TEST(test_attr("b b b b", omit[repeat(4)[char_('b')]], s, space) && s == "bbbb");
185 }
186
187 {
188 BOOST_TEST(test("1 2 3", int_ >> repeat(2)[int_], space));
189 BOOST_TEST(!test("1 2", int_ >> repeat(2)[int_], space));
190 }
191
192 {
193 std::vector<char> v;
194 BOOST_TEST(test_attr("1 2 3", int_ >> repeat(2)[int_], v, space));
195 BOOST_TEST(v.size() == 3 && v[0] == 1 && v[1] == 2 && v[2] == 3);
196
197 BOOST_TEST(!test("1 2", int_ >> repeat(2)[int_], space));
198 }
199
200 { // actions
201 namespace phx = boost::phoenix;
202
203 std::vector<char> v;
204 BOOST_TEST(test("bbbb", repeat(4)[char_][phx::ref(v) = _1]) && 4 == v.size() &&
205 v[0] == 'b' && v[1] == 'b' && v[2] == 'b' && v[3] == 'b');
206 }
207
208 { // more actions
209 namespace phx = boost::phoenix;
210
211 std::vector<int> v;
212 BOOST_TEST(test("123 456 789", repeat(3)[int_][phx::ref(v) = _1], space) && 3 == v.size() &&
213 v[0] == 123 && v[1] == 456 && v[2] == 789);
214 }
215
216 { // lazy repeats
217 using boost::phoenix::val;
218
219 BOOST_TEST(test("aaaaaaaa", repeat(val(8))[char_]));
220 BOOST_TEST(!test("aa", repeat(val(3))[char_]));
221
222 BOOST_TEST(test("aaa", repeat(val(3), val(5))[char_]));
223 BOOST_TEST(test("aaaaa", repeat(val(3), val(5))[char_]));
224 BOOST_TEST(!test("aaaaaa", repeat(val(3), val(5))[char_]));
225 BOOST_TEST(!test("aa", repeat(val(3), val(5))[char_]));
226
227 BOOST_TEST(test("aaa", repeat(val(3), val(inf))[char_]));
228 BOOST_TEST(test("aaaaa", repeat(val(3), val(inf))[char_]));
229 BOOST_TEST(test("aaaaaa", repeat(val(3), val(inf))[char_]));
230 BOOST_TEST(!test("aa", repeat(val(3), val(inf))[char_]));
231 }
232
233 { // more lazy repeats
234 using boost::phoenix::val;
235
236 BOOST_TEST(test("aaa", repeat(3, val(5))[char_]));
237 BOOST_TEST(test("aaaaa", repeat(val(3), 5)[char_]));
238 BOOST_TEST(!test("aaaaaa", repeat(3, val(5))[char_]));
239 BOOST_TEST(!test("aa", repeat(val(3), 5)[char_]));
240
241 //#warning "testcase commented out"
242 BOOST_TEST(test("aaa", repeat(val(3), inf)[char_]));
243 BOOST_TEST(test("aaaaa", repeat(3, val(inf))[char_]));
244 BOOST_TEST(test("aaaaaa", repeat(val(3), inf)[char_]));
245 BOOST_TEST(!test("aa", repeat(3, val(inf))[char_]));
246 }
247
248 { // attribute customization
249
250 x_attr x;
251 test_attr("abcde", repeat[char_], x);
252 test_attr("abcde", repeat(5)[char_], x);
253 test_attr("abcde", repeat(1, 5)[char_], x);
254 test_attr("abcde", repeat(1, inf)[char_], x);
255 }
256
257 return boost::report_errors();
258 }
259
260