iw4x-client/src/Utils/Library.hpp
2021-08-19 11:45:40 +02:00

66 lines
1.6 KiB
C++

#pragma once
namespace Utils
{
class Library
{
public:
static Library Load(const std::string& name);
static Library Load(const std::filesystem::path& path);
static Library GetByAddress(void* address);
Library() : _module(nullptr), freeOnDestroy(false) {};
Library(const std::string& buffer, bool freeOnDestroy);
explicit Library(const std::string& name);
explicit Library(HMODULE handle);
~Library();
bool isValid() const;
HMODULE getModule();
template <typename T>
T getProc(const std::string& process) const
{
if (!this->isValid()) T{};
return reinterpret_cast<T>(GetProcAddress(this->_module, process.data()));
}
template <typename T>
std::function<T> get(const std::string& process) const
{
if (!this->isValid()) return std::function<T>();
return static_cast<T*>(this->getProc<void*>(process));
}
template <typename T, typename... Args>
T invoke(const std::string& process, Args ... args) const
{
auto method = this->get<T(__cdecl)(Args ...)>(process);
if (method) return method(args...);
return T();
}
template <typename T, typename... Args>
T invokePascal(const std::string& process, Args ... args) const
{
auto method = this->get<T(__stdcall)(Args ...)>(process);
if (method) return method(args...);
return T();
}
template <typename T, typename... Args>
T invokeThis(const std::string& process, void* this_ptr, Args ... args) const
{
auto method = this->get<T(__thiscall)(void*, Args ...)>(this_ptr, process);
if (method) return method(args...);
return T();
}
void free();
private:
HMODULE _module;
bool freeOnDestroy;
};
}