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// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "winapi-utf8" project.
// For details, see https://github.com/egor-tensin/winapi-utf8.
// Distributed under the MIT License.
/**
* @file
* @brief UTF-8 <-> UTF-16 conversion functions
*/
#pragma once
#include <cstddef>
#include <memory>
#include <string>
#include <vector>
namespace winapi {
/** Convert UTF-8 string to UTF-16. */
std::wstring widen(const std::string&);
/**
* Convert UTF-8 string to UTF-16.
* \param src Pointer to UTF-8 string.
* \param nb Number of bytes pointed to src.
*/
std::wstring widen(const void* src, std::size_t nb);
/**
* Convert UTF-8 string to UTF-16.
* \param src UTF-8 string.
*/
template <typename T, typename Alloc = std::allocator<T>>
std::wstring widen(const std::vector<T, Alloc>& src) {
return widen(src.data(), src.size() * sizeof(T));
}
/** Convert UTF-16 string to UTF-8. */
std::string narrow(const std::wstring&);
/**
* Convert UTF-16 string to UTF-8.
* \param src Pointer to UTF-16 string.
* \param nb Number of bytes pointed to by src.
*/
std::string narrow(const void* src, std::size_t nb);
/**
* Convert UTF-16 string to UTF-8.
* \param src UTF-16 string.
*/
template <typename T, typename Alloc = std::allocator<T>>
std::string narrow(const std::vector<T, Alloc>& src) {
return narrow(src.data(), src.size() * sizeof(T));
}
} // namespace winapi
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