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
24int 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