1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <regex>
10
11 // class regex_token_iterator<BidirectionalIterator, charT, traits>
12
13 // regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
14 // const regex_type& re,
15 // const std::vector<int>& submatches,
16 // regex_constants::match_flag_type m =
17 // regex_constants::match_default);
18
19 #include <regex>
20 #include <cassert>
21 #include "test_macros.h"
22
main(int,char **)23 int main(int, char**)
24 {
25 {
26 std::regex phone_numbers("\\d{3}-(\\d{4})");
27 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
28 std::vector<int> v;
29 v.push_back(-1);
30 v.push_back(-1);
31 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
32 phone_numbers, v);
33 assert(i != std::cregex_token_iterator());
34 assert(i->str() == "start ");
35 ++i;
36 assert(i != std::cregex_token_iterator());
37 assert(i->str() == "start ");
38 ++i;
39 assert(i != std::cregex_token_iterator());
40 assert(i->str() == ", ");
41 ++i;
42 assert(i != std::cregex_token_iterator());
43 assert(i->str() == ", ");
44 ++i;
45 assert(i != std::cregex_token_iterator());
46 assert(i->str() == ", ");
47 ++i;
48 assert(i != std::cregex_token_iterator());
49 assert(i->str() == ", ");
50 ++i;
51 assert(i != std::cregex_token_iterator());
52 assert(i->str() == " end");
53 ++i;
54 assert(i == std::cregex_token_iterator());
55 }
56 {
57 std::regex phone_numbers("\\d{3}-(\\d{4})");
58 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
59 std::vector<int> v;
60 v.push_back(-1);
61 v.push_back(0);
62 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
63 phone_numbers, v);
64 assert(i != std::cregex_token_iterator());
65 assert(i->str() == "start ");
66 ++i;
67 assert(i != std::cregex_token_iterator());
68 assert(i->str() == "555-1234");
69 ++i;
70 assert(i != std::cregex_token_iterator());
71 assert(i->str() == ", ");
72 ++i;
73 assert(i != std::cregex_token_iterator());
74 assert(i->str() == "555-2345");
75 ++i;
76 assert(i != std::cregex_token_iterator());
77 assert(i->str() == ", ");
78 ++i;
79 assert(i != std::cregex_token_iterator());
80 assert(i->str() == "555-3456");
81 ++i;
82 assert(i != std::cregex_token_iterator());
83 assert(i->str() == " end");
84 ++i;
85 assert(i == std::cregex_token_iterator());
86 }
87 {
88 std::regex phone_numbers("\\d{3}-(\\d{4})");
89 const char phone_book[] = "start 555-1234, 555-2345, 555-3456 end";
90 std::vector<int> v;
91 v.push_back(-1);
92 v.push_back(0);
93 v.push_back(1);
94 std::cregex_token_iterator i(std::begin(phone_book), std::end(phone_book)-1,
95 phone_numbers, v);
96 assert(i != std::cregex_token_iterator());
97 assert(i->str() == "start ");
98 ++i;
99 assert(i != std::cregex_token_iterator());
100 assert(i->str() == "555-1234");
101 ++i;
102 assert(i != std::cregex_token_iterator());
103 assert(i->str() == "1234");
104 ++i;
105 assert(i != std::cregex_token_iterator());
106 assert(i->str() == ", ");
107 ++i;
108 assert(i != std::cregex_token_iterator());
109 assert(i->str() == "555-2345");
110 ++i;
111 assert(i != std::cregex_token_iterator());
112 assert(i->str() == "2345");
113 ++i;
114 assert(i != std::cregex_token_iterator());
115 assert(i->str() == ", ");
116 ++i;
117 assert(i != std::cregex_token_iterator());
118 assert(i->str() == "555-3456");
119 ++i;
120 assert(i != std::cregex_token_iterator());
121 assert(i->str() == "3456");
122 ++i;
123 assert(i != std::cregex_token_iterator());
124 assert(i->str() == " end");
125 ++i;
126 assert(i == std::cregex_token_iterator());
127 }
128
129 return 0;
130 }
131