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42 lines
No EOL
1.3 KiB
C++
42 lines
No EOL
1.3 KiB
C++
// SPDX-FileCopyrightText: Copyright 2014 Citra Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <type_traits>
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#include <fmt/format.h>
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// Adapted from https://github.com/fmtlib/fmt/issues/2704
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// a generic formatter for enum classes
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#if FMT_VERSION >= 80100
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template <typename T>
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struct fmt::formatter<T, std::enable_if_t<std::is_enum_v<T>, char>>
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: formatter<std::underlying_type_t<T>> {
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template <typename FormatContext>
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auto format(const T& value, FormatContext& ctx) -> decltype(ctx.out()) {
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return fmt::formatter<std::underlying_type_t<T>>::format(
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static_cast<std::underlying_type_t<T>>(value), ctx);
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}
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};
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#endif
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namespace fmt {
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template <typename T = std::string_view>
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struct UTF {
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T data;
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explicit UTF(const std::u8string_view view) {
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data = view.empty() ? T{} : T{(const char*)&view.front(), (const char*)&view.back() + 1};
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}
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explicit UTF(const std::u8string& str) : UTF(std::u8string_view{str}) {}
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};
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} // namespace fmt
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template <>
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struct fmt::formatter<fmt::UTF<std::string_view>, char> : formatter<std::string_view> {
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template <typename FormatContext>
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auto format(const UTF<std::string_view>& wrapper, FormatContext& ctx) const {
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return formatter<std::string_view>::format(wrapper.data, ctx);
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}
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}; |