shadPS4/src/common/logging/formatter.h
2024-09-26 17:21:31 +03:00

42 lines
No EOL
1.3 KiB
C++

// SPDX-FileCopyrightText: Copyright 2014 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <type_traits>
#include <fmt/format.h>
// Adapted from https://github.com/fmtlib/fmt/issues/2704
// a generic formatter for enum classes
#if FMT_VERSION >= 80100
template <typename T>
struct fmt::formatter<T, std::enable_if_t<std::is_enum_v<T>, char>>
: formatter<std::underlying_type_t<T>> {
template <typename FormatContext>
auto format(const T& value, FormatContext& ctx) -> decltype(ctx.out()) {
return fmt::formatter<std::underlying_type_t<T>>::format(
static_cast<std::underlying_type_t<T>>(value), ctx);
}
};
#endif
namespace fmt {
template <typename T = std::string_view>
struct UTF {
T data;
explicit UTF(const std::u8string_view view) {
data = view.empty() ? T{} : T{(const char*)&view.front(), (const char*)&view.back() + 1};
}
explicit UTF(const std::u8string& str) : UTF(std::u8string_view{str}) {}
};
} // namespace fmt
template <>
struct fmt::formatter<fmt::UTF<std::string_view>, char> : formatter<std::string_view> {
template <typename FormatContext>
auto format(const UTF<std::string_view>& wrapper, FormatContext& ctx) const {
return formatter<std::string_view>::format(wrapper.data, ctx);
}
};