59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
// Copyright 2024 Dolphin 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 <optional>
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#include <string>
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#include <type_traits>
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#include <picojson.h>
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#include "Common/MathUtil.h"
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#include "Common/Matrix.h"
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// Ideally this would use a concept like, 'template <std::ranges::range Range>' to constrain it,
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// but unfortunately we'd need to require clang 15 for that, since the ranges library isn't
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// fully implemented until then, but this should suffice.
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template <typename Range>
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picojson::array ToJsonArray(const Range& data)
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{
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using RangeUnderlyingType = typename Range::value_type;
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picojson::array result;
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result.reserve(std::size(data));
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for (const auto& value : data)
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{
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if constexpr (std::is_integral_v<RangeUnderlyingType> ||
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std::is_floating_point_v<RangeUnderlyingType>)
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{
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result.emplace_back(static_cast<double>(value));
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}
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else
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{
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result.emplace_back(value);
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}
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}
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return result;
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}
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template <typename Type>
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std::optional<Type> ReadNumericFromJson(const picojson::object& obj, const std::string& key)
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{
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const auto it = obj.find(key);
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if (it == obj.end())
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return std::nullopt;
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if (!it->second.is<double>())
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return std::nullopt;
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return MathUtil::SaturatingCast<Type>(it->second.get<double>());
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}
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std::optional<std::string> ReadStringFromJson(const picojson::object& obj, const std::string& key);
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std::optional<bool> ReadBoolFromJson(const picojson::object& obj, const std::string& key);
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picojson::object ToJsonObject(const Common::Vec3& vec);
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void FromJson(const picojson::object& obj, Common::Vec3& vec);
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