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OpenMW is an open implementation of the Morrowind engine
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960#ifndef COMPONENTS_LUA_SERIALIZATION_H#define COMPONENTS_LUA_SERIALIZATION_H
#include <sol/sol.hpp>
#include <components/esm3/cellref.hpp>
namespace LuaUtil{
// Note: it can contain \0 using BinaryData = std::string;
class UserdataSerializer { public: virtual ~UserdataSerializer() {}
// Appends serialized sol::userdata to the end of BinaryData. // Returns false if this type of userdata is not supported by this serializer. virtual bool serialize(BinaryData&, const sol::userdata&) const = 0;
// Deserializes userdata of type "typeName" from binaryData. Should push the result on stack using // sol::stack::push. Returns false if this type is not supported by this serializer. virtual bool deserialize(std::string_view typeName, std::string_view binaryData, lua_State*) const = 0;
protected: static void append(BinaryData&, std::string_view typeName, const void* data, size_t dataSize);
static constexpr std::string_view sRefNumTypeName = "o"; static void appendRefNum(BinaryData&, ESM::RefNum); static ESM::RefNum loadRefNum(std::string_view data); };
// Serializer that can load Lua data from content files and saved games, but doesn't depend on apps/openmw. // Instead of LObject/GObject (that are defined in apps/openmw) it loads refnums directly as ESM::RefNum. class BasicSerializer final : public UserdataSerializer { public: BasicSerializer() = default; explicit BasicSerializer(std::function<int(int)> adjustContentFileIndexFn) : mAdjustContentFilesIndexFn(std::move(adjustContentFileIndexFn)) { }
private: bool serialize(LuaUtil::BinaryData& out, const sol::userdata& data) const override; bool deserialize(std::string_view typeName, std::string_view binaryData, lua_State* lua) const override;
std::function<int(int)> mAdjustContentFilesIndexFn; };
BinaryData serialize(const sol::object&, const UserdataSerializer* customSerializer = nullptr); sol::object deserialize(lua_State* lua, std::string_view binaryData, const UserdataSerializer* customSerializer = nullptr, bool readOnly = false);
}
#endif // COMPONENTS_LUA_SERIALIZATION_H