Method Load

src/OrcLib/ExtensionLibrary.cpp:357–455

}

HRESULT ExtensionLibrary::Load(std::optional<std::filesystem::path> tempDir)
{
    using namespace std::filesystem;

    if (m_hModule != NULL)
        return S_OK;

    if (auto hr = LoadDependencies(tempDir); FAILED(hr))
    {
        Log::Error(L"Failed to load dependencies for extension library '{}'", m_strKeyword);
        return hr;
    }


    WORD wArch = 0;
    if (auto hr = SystemDetails::GetArchitecture(wArch); FAILED(hr))
        return hr;

    auto [dwMajor, dwMinor] = SystemDetails::GetOSVersion();

    if (tempDir.has_value())
    {
        if (exists(*tempDir))
        {
            if (is_directory(*tempDir))
            {
                Log::Debug(L"Using existing directory {} to load extension library", tempDir);
                m_tempDir = std::move(*tempDir);
            }
            else
                Log::Warn(
                    L"Specified temporary directory {} for extenstion library exists and is not a directory -> ignored",
                    tempDir);
        }
        else
        {
            Log::Debug(L"Creating temporary directory {} for extension library", tempDir);
            std::error_code ec;
            if (!create_directories(*tempDir, ec))
            {
                Log::Error(
                    L"Specified temporary directory {} for extenstion library could not be created -> ignored",
                    tempDir);
            }
            else if (!ec)
            {
                m_tempDir = std::move(*tempDir);
                m_bDeleteTemp = true;
            }
        }
    }

    if (m_tempDir.empty())
    {
        m_tempDir = DefaultExtensionDirectory();
    }

    switch (wArch)