1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/* Copyright (C) 2019 G'k
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#include "string_convert.hpp"
#include <cstdlib>
#include <cstring>
namespace libbsarch {
std::string to_string(const std::wstring &str)
{
if (str.empty()) return {};
std::mbstate_t state{};
const wchar_t* src = str.data();
std::size_t len = std::wcsrtombs(nullptr, &src, 0, &state);
if (len == static_cast<std::size_t>(-1)) return {};
std::string result(len, '\0');
src = str.data();
state = std::mbstate_t{};
std::wcsrtombs(result.data(), &src, len + 1, &state);
return result;
}
std::wstring to_wstring(const std::string &str)
{
if (str.empty()) return {};
std::mbstate_t state{};
const char* src = str.data();
std::size_t len = std::mbsrtowcs(nullptr, &src, 0, &state);
if (len == static_cast<std::size_t>(-1)) return {};
std::wstring result(len, L'\0');
src = str.data();
state = std::mbstate_t{};
std::mbsrtowcs(result.data(), &src, len + 1, &state);
return result;
}
} // namespace libbsarch
|
