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 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
