dolphin/Source/Core/Common/JsonUtil.h

45 lines
1.2 KiB
C++

// Copyright 2024 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <string>
#include <picojson.h>
#include "Common/MathUtil.h"
#include "Common/Matrix.h"
// Ideally this would use a concept like, 'template <std::ranges::range Range>' to constrain it,
// but unfortunately we'd need to require clang 15 for that, since the ranges library isn't
// fully implemented until then, but this should suffice.
template <typename Range>
picojson::array ToJsonArray(const Range& data)
{
picojson::array result;
result.reserve(std::size(data));
for (const auto& value : data)
{
result.emplace_back(static_cast<double>(value));
}
return result;
}
template <typename Type>
Type ReadNumericOrDefault(const picojson::object& obj, const std::string& key,
Type default_value = Type{})
{
const auto it = obj.find(key);
if (it == obj.end())
return default_value;
if (!it->second.is<double>())
return default_value;
return MathUtil::SaturatingCast<Type>(it->second.get<double>());
}
picojson::object ToJsonObject(const Common::Vec3& vec);
void FromJson(const picojson::object& obj, Common::Vec3& vec);