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/* ========================================
Copyright Amlal El Mahrouss 2025, licensed under the Apache 2.0 license.
FILE: driver_base.h
PURPOSE: C++ Driver Wrapper.
======================================== */
#pragma once
#include <libDDK/DriverKit/macros.h>
#define DDK_DRIVER_IMPL \
final: \
public \
::Kernel::DDK::IDriverBase
/// @author Amlal El Mahrouss
namespace Kernel::DDK {
inline constexpr auto kInvalidType = 0;
class IDriverBase {
public:
explicit IDriverBase() = default;
virtual ~IDriverBase() = default;
NE_COPY_DELETE(IDriverBase);
NE_MOVE_DEFAULT(IDriverBase);
using PtrType = void*;
virtual constexpr bool IsCastable() { return false; }
virtual constexpr bool IsActive() { return false; }
virtual PtrType Leak() { return nullptr; }
virtual constexpr int32_t Type() { return kInvalidType; }
};
/// @brief This concept requires the Driver to be IDriverBase compliant.
template <typename Driver>
concept IsValidDriver = requires(Driver driver_base) {
{ driver_base.IsActive() && driver_base.Type() > kInvalidType };
};
/// @brief Consteval helper to detect whether a template is truly based on IDriverBase.
/// @note This helper is consteval only.
template <class Driver>
inline bool ce_ddk_is_valid(Driver drv) {
return IsValidDriver<Driver>(drv);
}
} // namespace Kernel::DDK
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