mirror of
https://github.com/OpenTTD/OpenTTD
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55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file format.hpp String formatting functions and helpers. */
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#ifndef FORMAT_HPP
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#define FORMAT_HPP
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#include "../3rdparty/fmt/format.h"
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#include "convertible_through_base.hpp"
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template <typename E, typename Char> requires std::is_enum_v<E>
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struct fmt::formatter<E, Char> : fmt::formatter<typename std::underlying_type_t<E>> {
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using underlying_type = typename std::underlying_type_t<E>;
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using parent = typename fmt::formatter<underlying_type>;
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constexpr fmt::format_parse_context::iterator parse(fmt::format_parse_context &ctx)
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{
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return parent::parse(ctx);
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}
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fmt::format_context::iterator format(const E &e, fmt::format_context &ctx) const
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{
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return parent::format(underlying_type(e), ctx);
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}
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};
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template <ConvertibleThroughBase T, typename Char>
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struct fmt::formatter<T, Char> : fmt::formatter<typename T::BaseType> {
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using underlying_type = typename T::BaseType;
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using parent = typename fmt::formatter<underlying_type>;
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constexpr fmt::format_parse_context::iterator parse(fmt::format_parse_context &ctx)
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{
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return parent::parse(ctx);
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}
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fmt::format_context::iterator format(const T &t, fmt::format_context &ctx) const
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{
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return parent::format(t.base(), ctx);
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}
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};
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template <class... Args>
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void format_append(std::string &out, fmt::format_string<Args...> &&fmt, Args&&... args)
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{
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fmt::format_to(std::back_inserter(out), std::forward<decltype(fmt)>(fmt), std::forward<decltype(args)>(args)...);
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}
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#endif /* FORMAT_HPP */
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