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mirror of synced 2024-12-16 01:31:16 +01:00
ImHex/lib/libimhex/include/hex/helpers/auto_reset.hpp

77 lines
1.5 KiB
C++

#pragma once
#include <hex/api/event_manager.hpp>
#include <hex/api/imhex_api.hpp>
namespace hex {
namespace impl {
class AutoResetBase {
public:
virtual ~AutoResetBase() = default;
virtual void reset() = 0;
};
}
template<typename T>
class AutoReset : public impl::AutoResetBase {
public:
using Type = T;
AutoReset() {
ImHexApi::System::impl::addAutoResetObject(this);
}
T* operator->() {
return &m_value;
}
const T* operator->() const {
return &m_value;
}
T& operator*() {
return m_value;
}
const T& operator*() const {
return m_value;
}
operator T&() {
return m_value;
}
operator const T&() const {
return m_value;
}
T& operator=(const T &value) {
m_value = value;
return m_value;
}
T& operator=(T &&value) noexcept {
m_value = std::move(value);
return m_value;
}
void reset() override {
if constexpr (requires { m_value.reset(); }) {
m_value.reset();
} else if constexpr (requires { m_value.clear(); }) {
m_value.clear();
} else if constexpr (requires(T t) { t = nullptr; }) {
m_value = nullptr;
} else {
m_value = { };
}
}
private:
T m_value;
};
}