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Add JsonDeserialize

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This commit is contained in:
Lion Kortlepel
2022-03-02 13:22:26 +01:00
parent 95b417bb36
commit b52677e585
4 changed files with 94 additions and 12 deletions
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81
src/TLuaEngine.cpp
View File

@@ -8,6 +8,7 @@
#include <chrono>
#include <condition_variable>
#include <httplib.h>
#include <nlohmann/json.hpp>
#include <random>
#include <thread>
#include <tuple>
@@ -473,6 +474,80 @@ sol::table TLuaEngine::StateThreadData::Lua_HttpCreateConnection(const std::stri
return table;
}
template <typename T>
static void AddToTable(sol::table& table, const std::string& left, const T& value) {
if (left.empty()) {
table[table.size() + 1] = value;
} else {
table[left] = value;
}
}
static void JsonDeserializeRecursive(sol::state_view& StateView, sol::table& table, const std::string& left, const nlohmann::json& right) {
switch (right.type()) {
case nlohmann::detail::value_t::null:
return;
case nlohmann::detail::value_t::object: {
auto value = table.create();
value.clear();
for (const auto& entry : right.items()) {
JsonDeserializeRecursive(StateView, value, entry.key(), entry.value());
}
AddToTable(table, left, value);
break;
}
case nlohmann::detail::value_t::array: {
auto value = table.create();
value.clear();
for (const auto& entry : right.items()) {
JsonDeserializeRecursive(StateView, value, "", entry.value());
}
AddToTable(table, left, value);
break;
}
case nlohmann::detail::value_t::string:
AddToTable(table, left, right.get<std::string>());
break;
case nlohmann::detail::value_t::boolean:
AddToTable(table, left, right.get<bool>());
break;
case nlohmann::detail::value_t::number_integer:
AddToTable(table, left, right.get<int64_t>());
break;
case nlohmann::detail::value_t::number_unsigned:
AddToTable(table, left, right.get<uint64_t>());
break;
case nlohmann::detail::value_t::number_float:
AddToTable(table, left, right.get<double>());
break;
case nlohmann::detail::value_t::binary:
beammp_lua_error("JsonDeserialize can't handle binary blob in json, ignoring");
return;
case nlohmann::detail::value_t::discarded:
return;
}
}
sol::table TLuaEngine::StateThreadData::Lua_JsonDeserialize(const std::string& str) {
sol::state_view StateView(mState);
auto table = StateView.create_table();
// TODO: try / catch
nlohmann::json json = nlohmann::json::parse(str);
if (json.is_object()) {
for (const auto& entry : json.items()) {
JsonDeserializeRecursive(StateView, table, entry.key(), entry.value());
}
} else if (json.is_array()) {
for (const auto& entry : json) {
JsonDeserializeRecursive(StateView, table, "", entry);
}
} else {
beammp_lua_error("JsonDeserialize expected array or object json, instead got " + std::string(json.type_name()));
return sol::nil;
}
return table;
}
TLuaEngine::StateThreadData::StateThreadData(const std::string& Name, std::atomic_bool& Shutdown, TLuaStateId StateId, TLuaEngine& Engine)
: mName(Name)
, mShutdown(Shutdown)
@@ -557,12 +632,14 @@ TLuaEngine::StateThreadData::StateThreadData(const std::string& Name, std::atomi
});
MPTable.set_function("Set", &LuaAPI::MP::Set);
MPTable.set_function("JsonSerialize", &LuaAPI::MP::JsonSerialize);
MPTable.set_function("JsonDeserialize", [this](const std::string& str) {
return Lua_JsonDeserialize(str);
});
auto HttpTable = StateView.create_named_table("Http");
HttpTable.set_function("CreateConnection", [this](const std::string& host, uint16_t port) {
return Lua_HttpCreateConnection(host, port);
});
MPTable.create_named("Settings",
"Debug", 0,