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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// class match_results<BidirectionalIterator, Allocator>
// template <class OutputIter>
// OutputIter
// format(OutputIter out, const char_type* fmt_first, const char_type* fmt_last,
// regex_constants::match_flag_type flags = regex_constants::format_default) const;
#include <regex>
#include <cassert>
#include "test_iterators.h"
int main()
{
{
std::match_results<const char*> m;
const char s[] = "abcdefghijk";
assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
char out[100] = {0};
const char fmt[] = "prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2";
char* r = m.format(output_iterator<char*>(out),
fmt, fmt + std::char_traits<char>::length(fmt)).base();
assert(r == out + 58);
assert(std::string(out) == "prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
}
{
std::match_results<const char*> m;
const char s[] = "abcdefghijk";
assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
char out[100] = {0};
const char fmt[] = "prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2";
char* r = m.format(output_iterator<char*>(out),
fmt, fmt + std::char_traits<char>::length(fmt),
std::regex_constants::format_sed).base();
assert(r == out + 59);
assert(std::string(out) == "prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
}
{
std::match_results<const char*> m;
const char s[] = "abcdefghijk";
assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
char out[100] = {0};
const char fmt[] = "match: &, m[1]: \\1, m[2]: \\2";
char* r = m.format(output_iterator<char*>(out),
fmt, fmt + std::char_traits<char>::length(fmt),
std::regex_constants::format_sed).base();
assert(r == out + 34);
assert(std::string(out) == "match: cdefghi, m[1]: efg, m[2]: e");
}
{
std::match_results<const wchar_t*> m;
const wchar_t s[] = L"abcdefghijk";
assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
wchar_t out[100] = {0};
const wchar_t fmt[] = L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2";
wchar_t* r = m.format(output_iterator<wchar_t*>(out),
fmt, fmt + std::char_traits<wchar_t>::length(fmt)).base();
assert(r == out + 58);
assert(std::wstring(out) == L"prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
}
{
std::match_results<const wchar_t*> m;
const wchar_t s[] = L"abcdefghijk";
assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
wchar_t out[100] = {0};
const wchar_t fmt[] = L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2";
wchar_t* r = m.format(output_iterator<wchar_t*>(out),
fmt, fmt + std::char_traits<wchar_t>::length(fmt),
std::regex_constants::format_sed).base();
assert(r == out + 59);
assert(std::wstring(out) == L"prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
}
{
std::match_results<const wchar_t*> m;
const wchar_t s[] = L"abcdefghijk";
assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
wchar_t out[100] = {0};
const wchar_t fmt[] = L"match: &, m[1]: \\1, m[2]: \\2";
wchar_t* r = m.format(output_iterator<wchar_t*>(out),
fmt, fmt + std::char_traits<wchar_t>::length(fmt),
std::regex_constants::format_sed).base();
assert(r == out + 34);
assert(std::wstring(out) == L"match: cdefghi, m[1]: efg, m[2]: e");
}
}
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