A tool for deriving PKG packet encryption keys for ps4 written in c++
| 1 | // SPDX-FileCopyrightText: Copyright 2014 Citra Emulator Project |
| 2 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 3 | |
| 4 | #pragma once |
| 5 | |
| 6 | #include <type_traits> |
| 7 | #include <fmt/format.h> |
| 8 | |
| 9 | // Adapted from https://github.com/fmtlib/fmt/issues/2704 |
| 10 | // a generic formatter for enum classes |
| 11 | #if FMT_VERSION >= 80100 |
| 12 | template <typename T> |
| 13 | struct fmt::formatter<T, std::enable_if_t<std::is_enum_v<T>, char>> |
| 14 | : formatter<std::underlying_type_t<T>> { |
| 15 | template <typename FormatContext> |
| 16 | auto format(const T& value, FormatContext& ctx) -> decltype(ctx.out()) { |
| 17 | return fmt::formatter<std::underlying_type_t<T>>::format( |
| 18 | static_cast<std::underlying_type_t<T>>(value), ctx); |
| 19 | } |
| 20 | }; |
| 21 | #endif |
| 22 | |
| 23 | namespace fmt { |
| 24 | template <typename T = std::string_view> |
| 25 | struct UTF { |
| 26 | T data; |
| 27 | |
| 28 | explicit UTF(const std::u8string_view view) { |
| 29 | data = view.empty() ? T{} : T{(const char*)&view.front(), (const char*)&view.back() + 1}; |
| 30 | } |
| 31 | |
| 32 | explicit UTF(const std::u8string& str) : UTF(std::u8string_view{str}) {} |
| 33 | }; |
| 34 | } // namespace fmt |
| 35 | |
| 36 | template <> |
| 37 | struct fmt::formatter<fmt::UTF<std::string_view>, char> : formatter<std::string_view> { |
| 38 | template <typename FormatContext> |
| 39 | auto format(const UTF<std::string_view>& wrapper, FormatContext& ctx) const { |
| 40 | return formatter<std::string_view>::format(wrapper.data, ctx); |
| 41 | } |
| 42 | }; |