102 lines
2.2 KiB
C++
102 lines
2.2 KiB
C++
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/DynLib.hpp>
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#include <Nazara/Core/Config.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <memory>
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#if defined(NAZARA_PLATFORM_WINDOWS)
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#include <Nazara/Core/Win32/DynLibImpl.hpp>
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#elif defined(NAZARA_PLATFORM_POSIX)
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#include <Nazara/Core/Posix/DynLibImpl.hpp>
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#else
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#error No implementation for this platform
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#endif
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#include <Nazara/Core/Debug.hpp>
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namespace Nz
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{
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/*!
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* \ingroup core
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* \class Nz::DynLib
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* \brief Core class that represents a dynamic library loader
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*/
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DynLib::DynLib() = default;
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DynLib::DynLib(DynLib&&) noexcept = default;
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DynLib::~DynLib() = default;
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/*!
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* \brief Gets the last error
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* \return Last error
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*/
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std::string DynLib::GetLastError() const
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{
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return m_lastError;
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}
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/*!
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* \brief Gets the symbol for the name
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* \return Function which is the symbol of the function name
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*/
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DynLibFunc DynLib::GetSymbol(const char* symbol) const
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{
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NazaraAssert(IsLoaded(), "library was not opened");
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return m_impl->GetSymbol(symbol, &m_lastError);
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}
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/*!
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* \brief Checks whether the library is loaded
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* \return true if loaded
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*/
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bool DynLib::IsLoaded() const
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{
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return m_impl != nullptr;
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}
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/*!
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* \brief Loads the library with that path
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* \return true if loading is successful
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*
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* \param libraryPath Path of the library
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*
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* \remark Produces a NazaraError if library is could not be loaded
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*/
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bool DynLib::Load(std::filesystem::path libraryPath)
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{
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Unload();
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if (libraryPath.extension() != NAZARA_DYNLIB_EXTENSION)
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libraryPath += NAZARA_DYNLIB_EXTENSION;
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auto impl = std::make_unique<DynLibImpl>(this);
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if (!impl->Load(libraryPath, &m_lastError))
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{
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NazaraError("Failed to load library: " + m_lastError);
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return false;
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}
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m_impl = std::move(impl);
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return true;
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}
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/*!
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* \brief Unloads the library
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*/
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void DynLib::Unload()
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{
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m_impl.reset();
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}
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DynLib& DynLib::operator=(DynLib&&) noexcept = default;
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}
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#if defined(NAZARA_PLATFORM_WINDOWS)
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#include <Nazara/Core/AntiWindows.hpp>
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#endif
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