Howard Hinnant | 27405f9 | 2010-08-14 18:14:02 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | 27405f9 | 2010-08-14 18:14:02 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // <regex> |
| 11 | |
| 12 | // class match_results<BidirectionalIterator, Allocator> |
| 13 | |
| 14 | // string_type |
| 15 | // format(const char_type* fmt, |
| 16 | // regex_constants::match_flag_type flags = regex_constants::format_default) const; |
| 17 | |
| 18 | #include <iostream> |
| 19 | |
| 20 | #include <regex> |
| 21 | #include <cassert> |
Howard Hinnant | 27405f9 | 2010-08-14 18:14:02 +0000 | [diff] [blame] | 22 | |
| 23 | int main() |
| 24 | { |
| 25 | { |
| 26 | std::match_results<const char*> m; |
| 27 | const char s[] = "abcdefghijk"; |
| 28 | assert(std::regex_search(s, m, std::regex("cd((e)fg)hi"))); |
| 29 | |
| 30 | const char fmt[] = "prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2"; |
| 31 | std::string out = m.format(fmt); |
| 32 | assert(out == "prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e"); |
| 33 | } |
| 34 | { |
| 35 | std::match_results<const char*> m; |
| 36 | const char s[] = "abcdefghijk"; |
| 37 | assert(std::regex_search(s, m, std::regex("cd((e)fg)hi"))); |
| 38 | |
| 39 | const char fmt[] = "prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2"; |
| 40 | std::string out = m.format(fmt, std::regex_constants::format_sed); |
| 41 | assert(out == "prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2"); |
| 42 | } |
| 43 | { |
| 44 | std::match_results<const char*> m; |
| 45 | const char s[] = "abcdefghijk"; |
| 46 | assert(std::regex_search(s, m, std::regex("cd((e)fg)hi"))); |
| 47 | |
| 48 | const char fmt[] = "match: &, m[1]: \\1, m[2]: \\2"; |
| 49 | std::string out = m.format(fmt, std::regex_constants::format_sed); |
| 50 | assert(out == "match: cdefghi, m[1]: efg, m[2]: e"); |
| 51 | } |
| 52 | |
| 53 | { |
| 54 | std::match_results<const wchar_t*> m; |
| 55 | const wchar_t s[] = L"abcdefghijk"; |
| 56 | assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi"))); |
| 57 | |
| 58 | const wchar_t fmt[] = L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2"; |
| 59 | std::wstring out = m.format(fmt); |
| 60 | assert(out == L"prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e"); |
| 61 | } |
| 62 | { |
| 63 | std::match_results<const wchar_t*> m; |
| 64 | const wchar_t s[] = L"abcdefghijk"; |
| 65 | assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi"))); |
| 66 | |
| 67 | const wchar_t fmt[] = L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2"; |
| 68 | std::wstring out = m.format(fmt, std::regex_constants::format_sed); |
| 69 | assert(out == L"prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2"); |
| 70 | } |
| 71 | { |
| 72 | std::match_results<const wchar_t*> m; |
| 73 | const wchar_t s[] = L"abcdefghijk"; |
| 74 | assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi"))); |
| 75 | |
| 76 | const wchar_t fmt[] = L"match: &, m[1]: \\1, m[2]: \\2"; |
| 77 | std::wstring out = m.format(fmt, std::regex_constants::format_sed); |
| 78 | assert(out == L"match: cdefghi, m[1]: efg, m[2]: e"); |
| 79 | } |
| 80 | } |