Home | History | Annotate | Download | only in re.results.form 
      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, class ST, class SA>
     15 //   OutputIter
     16 //   format(OutputIter out, const basic_string<char_type, ST, SA>& fmt,
     17 //          regex_constants::match_flag_type flags = regex_constants::format_default) const;
     18 
     19 #include <iostream>
     20 
     21 #include <regex>
     22 #include <cassert>
     23 
     24 #include "test_macros.h"
     25 #include "test_iterators.h"
     26 #include "test_allocator.h"
     27 
     28 int main()
     29 {
     30     typedef std::basic_string<char, std::char_traits<char>, test_allocator<char> > nstr;
     31     typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, test_allocator<wchar_t> > wstr;
     32     {
     33         std::match_results<const char*> m;
     34         const char s[] = "abcdefghijk";
     35         assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
     36 
     37         char out[100] = {0};
     38         nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
     39         char* r = m.format(output_iterator<char*>(out), fmt).base();
     40         assert(r == out + 58);
     41         assert(std::string(out) == "prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
     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         char out[100] = {0};
     49         nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
     50         char* r = m.format(output_iterator<char*>(out),
     51                     fmt, std::regex_constants::format_sed).base();
     52         assert(r == out + 59);
     53         assert(std::string(out) == "prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
     54     }
     55     {
     56         std::match_results<const char*> m;
     57         const char s[] = "abcdefghijk";
     58         assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
     59 
     60         char out[100] = {0};
     61         nstr fmt("match: &, m[1]: \\1, m[2]: \\2");
     62         char* r = m.format(output_iterator<char*>(out),
     63                     fmt, std::regex_constants::format_sed).base();
     64         assert(r == out + 34);
     65         assert(std::string(out) == "match: cdefghi, m[1]: efg, m[2]: e");
     66     }
     67 
     68     {
     69         std::match_results<const wchar_t*> m;
     70         const wchar_t s[] = L"abcdefghijk";
     71         assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
     72 
     73         wchar_t out[100] = {0};
     74         wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
     75         wchar_t* r = m.format(output_iterator<wchar_t*>(out), fmt).base();
     76         assert(r == out + 58);
     77         assert(std::wstring(out) == L"prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
     78     }
     79     {
     80         std::match_results<const wchar_t*> m;
     81         const wchar_t s[] = L"abcdefghijk";
     82         assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
     83 
     84         wchar_t out[100] = {0};
     85         wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
     86         wchar_t* r = m.format(output_iterator<wchar_t*>(out),
     87                     fmt, std::regex_constants::format_sed).base();
     88         assert(r == out + 59);
     89         assert(std::wstring(out) == L"prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
     90     }
     91     {
     92         std::match_results<const wchar_t*> m;
     93         const wchar_t s[] = L"abcdefghijk";
     94         assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
     95 
     96         wchar_t out[100] = {0};
     97         wstr fmt(L"match: &, m[1]: \\1, m[2]: \\2");
     98         wchar_t* r = m.format(output_iterator<wchar_t*>(out),
     99                     fmt, 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