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Common: add json utility functions 'ReadStringFromJson' and 'ReadBoolFromJson' to match 'ReadNumericFromJson' functionality for other data types, similarly support other data types for 'ToJsonArray'

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This commit is contained in:
iwubcode 2024-03-19 22:33:48 -05:00
parent 69694494ce
commit 146504d635
2 changed files with 35 additions and 1 deletions
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20
Source/Core/Common/JsonUtil.cpp
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@ -18,3 +18,23 @@ void FromJson(const picojson::object& obj, Common::Vec3& vec)
vec.y = ReadNumericFromJson<float>(obj, "y").value_or(0.0f); vec.y = ReadNumericFromJson<float>(obj, "y").value_or(0.0f);
vec.z = ReadNumericFromJson<float>(obj, "z").value_or(0.0f); vec.z = ReadNumericFromJson<float>(obj, "z").value_or(0.0f);
} }
std::optional<std::string> ReadStringFromJson(const picojson::object& obj, const std::string& key)
{
const auto it = obj.find(key);
if (it == obj.end())
return std::nullopt;
if (!it->second.is<std::string>())
return std::nullopt;
return it->second.to_str();
}
std::optional<bool> ReadBoolFromJson(const picojson::object& obj, const std::string& key)
{
const auto it = obj.find(key);
if (it == obj.end())
return std::nullopt;
if (!it->second.is<bool>())
return std::nullopt;
return it->second.get<bool>();
}

14
Source/Core/Common/JsonUtil.h
View File

@ -5,6 +5,7 @@
#include <optional> #include <optional>
#include <string> #include <string>
#include <type_traits>
#include <picojson.h> #include <picojson.h>
@ -18,13 +19,22 @@
template <typename Range> template <typename Range>
picojson::array ToJsonArray(const Range& data) picojson::array ToJsonArray(const Range& data)
{ {
using RangeUnderlyingType = typename Range::value_type;
picojson::array result; picojson::array result;
result.reserve(std::size(data)); result.reserve(std::size(data));
for (const auto& value : data) for (const auto& value : data)
{
if constexpr (std::is_integral_v<RangeUnderlyingType> ||
std::is_floating_point_v<RangeUnderlyingType>)
{ {
result.emplace_back(static_cast<double>(value)); result.emplace_back(static_cast<double>(value));
} }
else
{
result.emplace_back(value);
}
}
return result; return result;
} }
@ -40,5 +50,9 @@ std::optional<Type> ReadNumericFromJson(const picojson::object& obj, const std::
return MathUtil::SaturatingCast<Type>(it->second.get<double>()); return MathUtil::SaturatingCast<Type>(it->second.get<double>());
} }
std::optional<std::string> ReadStringFromJson(const picojson::object& obj, const std::string& key);
std::optional<bool> ReadBoolFromJson(const picojson::object& obj, const std::string& key);
picojson::object ToJsonObject(const Common::Vec3& vec); picojson::object ToJsonObject(const Common::Vec3& vec);
void FromJson(const picojson::object& obj, Common::Vec3& vec); void FromJson(const picojson::object& obj, Common::Vec3& vec);