1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <regex>
11
12 // class match_results<BidirectionalIterator, Allocator>
13
14 // template <class OutputIter>
15 // OutputIter
16 // format(OutputIter out, const char_type* fmt_first, const char_type* fmt_last,
17 // regex_constants::match_flag_type flags = regex_constants::format_default) const;
18
19 #include <regex>
20 #include <cassert>
21
22 #include "test_iterators.h"
23
main()24 int main()
25 {
26 {
27 std::match_results<const char*> m;
28 const char s[] = "abcdefghijk";
29 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
30
31 char out[100] = {0};
32 const char fmt[] = "prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2";
33 char* r = m.format(output_iterator<char*>(out),
34 fmt, fmt + std::char_traits<char>::length(fmt)).base();
35 assert(r == out + 58);
36 assert(std::string(out) == "prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
37 }
38 {
39 std::match_results<const char*> m;
40 const char s[] = "abcdefghijk";
41 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
42
43 char out[100] = {0};
44 const char fmt[] = "prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2";
45 char* r = m.format(output_iterator<char*>(out),
46 fmt, fmt + std::char_traits<char>::length(fmt),
47 std::regex_constants::format_sed).base();
48 assert(r == out + 59);
49 assert(std::string(out) == "prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
50 }
51 {
52 std::match_results<const char*> m;
53 const char s[] = "abcdefghijk";
54 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
55
56 char out[100] = {0};
57 const char fmt[] = "match: &, m[1]: \\1, m[2]: \\2";
58 char* r = m.format(output_iterator<char*>(out),
59 fmt, fmt + std::char_traits<char>::length(fmt),
60 std::regex_constants::format_sed).base();
61 assert(r == out + 34);
62 assert(std::string(out) == "match: cdefghi, m[1]: efg, m[2]: e");
63 }
64
65 {
66 std::match_results<const wchar_t*> m;
67 const wchar_t s[] = L"abcdefghijk";
68 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
69
70 wchar_t out[100] = {0};
71 const wchar_t fmt[] = L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2";
72 wchar_t* r = m.format(output_iterator<wchar_t*>(out),
73 fmt, fmt + std::char_traits<wchar_t>::length(fmt)).base();
74 assert(r == out + 58);
75 assert(std::wstring(out) == L"prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
76 }
77 {
78 std::match_results<const wchar_t*> m;
79 const wchar_t s[] = L"abcdefghijk";
80 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
81
82 wchar_t out[100] = {0};
83 const wchar_t fmt[] = L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2";
84 wchar_t* r = m.format(output_iterator<wchar_t*>(out),
85 fmt, fmt + std::char_traits<wchar_t>::length(fmt),
86 std::regex_constants::format_sed).base();
87 assert(r == out + 59);
88 assert(std::wstring(out) == L"prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
89 }
90 {
91 std::match_results<const wchar_t*> m;
92 const wchar_t s[] = L"abcdefghijk";
93 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
94
95 wchar_t out[100] = {0};
96 const wchar_t fmt[] = L"match: &, m[1]: \\1, m[2]: \\2";
97 wchar_t* r = m.format(output_iterator<wchar_t*>(out),
98 fmt, fmt + std::char_traits<wchar_t>::length(fmt),
99 std::regex_constants::format_sed).base();
100 assert(r == out + 34);
101 assert(std::wstring(out) == L"match: cdefghi, m[1]: efg, m[2]: e");
102 }
103 }
104