CreatureLib/CInterface/Core.hpp

#ifndef CREATURELIB_CORE_HPP
#define CREATURELIB_CORE_HPP

#include <Arbutils/Exception.hpp>
#include <cstring>
#include <exception>
#include <sstream>
#include <string>
#include "../src/Defines.hpp"
#define export_func extern "C" [[maybe_unused]]

#define CreatureLibException 2;

class ExceptionHandler {
    static std::string _creatureLibLastException;
    static std::string _creatureLibLastExceptionStacktrace;

public:
    static void SetLastArbUtException(const std::string& function, const ArbUt::Exception& e, size_t depth = 6) {
        std::stringstream ss;
        ss << "[" << function << "] " << e.what();
        _creatureLibLastException = ss.str();
        _creatureLibLastExceptionStacktrace = e.GetStacktrace(depth, true);
        if (_creatureLibLastExceptionStacktrace.empty())
            _creatureLibLastExceptionStacktrace = "err";
    }
    static void SetLastException(const std::string& function, const std::exception& e) {
        std::stringstream ss;
        ss << "[" << function << "] " << e.what();
        _creatureLibLastException = ss.str();
        _creatureLibLastExceptionStacktrace = "Exception did not have a stacktrace.";
    }
    static const char* GetLastException() { return _creatureLibLastException.c_str(); }
    static const char* GetLastExceptionStacktrace() { return _creatureLibLastExceptionStacktrace.c_str(); }
};

#define Try(data)                                                                                                      \
    try {                                                                                                              \
        data;                                                                                                          \
        return 0;                                                                                                      \
    } catch (const ArbUt::Exception& e) {                                                                              \
        ExceptionHandler::SetLastArbUtException(__FUNCTION__, e);                                                      \
        return CreatureLibException;                                                                                   \
    } catch (const std::exception& e) {                                                                                \
        ExceptionHandler::SetLastException(__FUNCTION__, e);                                                           \
        return CreatureLibException;                                                                                   \
    }

#define SIMPLE_GET_FUNC(type, name, returnType)                                                                        \
    export_func returnType CreatureLib_##type##_##name(const type* p) { return p->name(); }
#define BORROWED_GET_FUNC(type, name, returnType)                                                                      \
    export_func returnType CreatureLib_##type##_##name(const type* p) { return p->name().GetRaw(); }
#define OPTIONAL_GET_FUNC(type, name, returnType)                                                                      \
    export_func returnType CreatureLib_##type##_##name(type* p) {                                                      \
        if (p->name().HasValue())                                                                                      \
            return p->name().GetValue();                                                                               \
        return nullptr;                                                                                                \
    }
#define SMART_GET_FUNC(type, name, returnType)                                                                         \
    export_func returnType CreatureLib_##type##_##name(const type* p) { return p->name().get(); }
#define DESTRUCTOR(type)                                                                                               \
    export_func void CreatureLib_##type##_Destruct(const type* p) { delete p; }

#endif // CREATURELIB_CORE_HPP