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

source code of boost/libs/spirit/test/qi/repeat.cpp