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suyu/src/common/fs/fs_util.h
Morph 99ceb03a1c general: Convert source file copyright comments over to SPDX
This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
2022-04-23 05:55:32 -04:00

85 lines
2.3 KiB
C++

// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <concepts>
#include <filesystem>
#include <span>
#include <string>
#include "common/common_types.h"
namespace Common::FS {
template <typename T>
concept IsChar = std::same_as<T, char>;
/**
* Converts a UTF-8 encoded std::string or std::string_view to a std::u8string.
*
* @param utf8_string UTF-8 encoded string
*
* @returns UTF-8 encoded std::u8string.
*/
[[nodiscard]] std::u8string ToU8String(std::string_view utf8_string);
/**
* Converts a buffer of bytes to a UTF8-encoded std::u8string.
* This converts from the start of the buffer until the first encountered null-terminator.
* If no null-terminator is found, this converts the entire buffer instead.
*
* @param buffer Buffer of bytes
*
* @returns UTF-8 encoded std::u8string.
*/
[[nodiscard]] std::u8string BufferToU8String(std::span<const u8> buffer);
/**
* Same as BufferToU8String, but returns a string view of the buffer.
*
* @param buffer Buffer of bytes
*
* @returns UTF-8 encoded std::u8string_view.
*/
[[nodiscard]] std::u8string_view BufferToU8StringView(std::span<const u8> buffer);
/**
* Converts a std::u8string or std::u8string_view to a UTF-8 encoded std::string.
*
* @param u8_string UTF-8 encoded u8string
*
* @returns UTF-8 encoded std::string.
*/
[[nodiscard]] std::string ToUTF8String(std::u8string_view u8_string);
/**
* Converts a buffer of bytes to a UTF8-encoded std::string.
* This converts from the start of the buffer until the first encountered null-terminator.
* If no null-terminator is found, this converts the entire buffer instead.
*
* @param buffer Buffer of bytes
*
* @returns UTF-8 encoded std::string.
*/
[[nodiscard]] std::string BufferToUTF8String(std::span<const u8> buffer);
/**
* Same as BufferToUTF8String, but returns a string view of the buffer.
*
* @param buffer Buffer of bytes
*
* @returns UTF-8 encoded std::string_view.
*/
[[nodiscard]] std::string_view BufferToUTF8StringView(std::span<const u8> buffer);
/**
* Converts a filesystem path to a UTF-8 encoded std::string.
*
* @param path Filesystem path
*
* @returns UTF-8 encoded std::string.
*/
[[nodiscard]] std::string PathToUTF8String(const std::filesystem::path& path);
} // namespace Common::FS