You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
4.8 KiB
109 lines
4.8 KiB
4 months ago
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// 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>
|
||
|
|
|
||
|
|
// template <class OutputIterator, class BidirectionalIterator,
|
||
|
|
// class traits, class charT, class ST, class SA>
|
||
|
|
// OutputIterator
|
||
|
|
// regex_replace(OutputIterator out,
|
||
|
|
// BidirectionalIterator first, BidirectionalIterator last,
|
||
|
|
// const basic_regex<charT, traits>& e,
|
||
|
|
// const basic_string<charT, ST, SA>& fmt,
|
||
|
|
// regex_constants::match_flag_type flags =
|
||
|
|
// regex_constants::match_default);
|
||
|
|
|
||
|
|
#include <regex>
|
||
|
|
#include <cassert>
|
||
|
|
|
||
|
|
#include "test_macros.h"
|
||
|
|
#include "test_iterators.h"
|
||
|
|
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
{
|
||
|
|
std::regex phone_numbers("\\d{3}-\\d{4}");
|
||
|
|
const char phone_book[] = "555-1234, 555-2345, 555-3456";
|
||
|
|
typedef output_iterator<char*> Out;
|
||
|
|
typedef bidirectional_iterator<const char*> Bi;
|
||
|
|
char buf[100] = {0};
|
||
|
|
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
|
||
|
|
Bi(std::end(phone_book)-1), phone_numbers,
|
||
|
|
std::string("123-$&"));
|
||
|
|
assert(r.base() == buf+40);
|
||
|
|
assert(buf == std::string("123-555-1234, 123-555-2345, 123-555-3456"));
|
||
|
|
}
|
||
|
|
{
|
||
|
|
std::regex phone_numbers("\\d{3}-\\d{4}");
|
||
|
|
const char phone_book[] = "555-1234, 555-2345, 555-3456";
|
||
|
|
typedef output_iterator<char*> Out;
|
||
|
|
typedef bidirectional_iterator<const char*> Bi;
|
||
|
|
char buf[100] = {0};
|
||
|
|
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
|
||
|
|
Bi(std::end(phone_book)-1), phone_numbers,
|
||
|
|
std::string("123-$&"),
|
||
|
|
std::regex_constants::format_sed);
|
||
|
|
assert(r.base() == buf+43);
|
||
|
|
assert(buf == std::string("123-$555-1234, 123-$555-2345, 123-$555-3456"));
|
||
|
|
}
|
||
|
|
{
|
||
|
|
std::regex phone_numbers("\\d{3}-\\d{4}");
|
||
|
|
const char phone_book[] = "555-1234, 555-2345, 555-3456";
|
||
|
|
typedef output_iterator<char*> Out;
|
||
|
|
typedef bidirectional_iterator<const char*> Bi;
|
||
|
|
char buf[100] = {0};
|
||
|
|
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
|
||
|
|
Bi(std::end(phone_book)-1), phone_numbers,
|
||
|
|
std::string("123-&"),
|
||
|
|
std::regex_constants::format_sed);
|
||
|
|
assert(r.base() == buf+40);
|
||
|
|
assert(buf == std::string("123-555-1234, 123-555-2345, 123-555-3456"));
|
||
|
|
}
|
||
|
|
{
|
||
|
|
std::regex phone_numbers("\\d{3}-\\d{4}");
|
||
|
|
const char phone_book[] = "555-1234, 555-2345, 555-3456";
|
||
|
|
typedef output_iterator<char*> Out;
|
||
|
|
typedef bidirectional_iterator<const char*> Bi;
|
||
|
|
char buf[100] = {0};
|
||
|
|
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
|
||
|
|
Bi(std::end(phone_book)-1), phone_numbers,
|
||
|
|
std::string("123-$&"),
|
||
|
|
std::regex_constants::format_no_copy);
|
||
|
|
assert(r.base() == buf+36);
|
||
|
|
assert(buf == std::string("123-555-1234123-555-2345123-555-3456"));
|
||
|
|
}
|
||
|
|
{
|
||
|
|
std::regex phone_numbers("\\d{3}-\\d{4}");
|
||
|
|
const char phone_book[] = "555-1234, 555-2345, 555-3456";
|
||
|
|
typedef output_iterator<char*> Out;
|
||
|
|
typedef bidirectional_iterator<const char*> Bi;
|
||
|
|
char buf[100] = {0};
|
||
|
|
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
|
||
|
|
Bi(std::end(phone_book)-1), phone_numbers,
|
||
|
|
std::string("123-$&"),
|
||
|
|
std::regex_constants::format_first_only);
|
||
|
|
assert(r.base() == buf+32);
|
||
|
|
assert(buf == std::string("123-555-1234, 555-2345, 555-3456"));
|
||
|
|
}
|
||
|
|
{
|
||
|
|
std::regex phone_numbers("\\d{3}-\\d{4}");
|
||
|
|
const char phone_book[] = "555-1234, 555-2345, 555-3456";
|
||
|
|
typedef output_iterator<char*> Out;
|
||
|
|
typedef bidirectional_iterator<const char*> Bi;
|
||
|
|
char buf[100] = {0};
|
||
|
|
Out r = std::regex_replace(Out(buf), Bi(std::begin(phone_book)),
|
||
|
|
Bi(std::end(phone_book)-1), phone_numbers,
|
||
|
|
std::string("123-$&"),
|
||
|
|
std::regex_constants::format_first_only |
|
||
|
|
std::regex_constants::format_no_copy);
|
||
|
|
assert(r.base() == buf+12);
|
||
|
|
assert(buf == std::string("123-555-1234"));
|
||
|
|
}
|
||
|
|
}
|