Function Load

apps/gdalalg_vector_sort.cpp:97–118

    }

    std::unique_ptr<OGRFeature> Load(std::size_t i) override
    {
        auto loc = m_locs[i];
        m_buf.resize(loc.size);
        if (VSIFSeekL(m_file, loc.offset, SEEK_SET) == -1)
        {
            return nullptr;
        }
        auto nBytesRead = VSIFReadL(m_buf.data(), 1, loc.size, m_file);
        if (nBytesRead != loc.size)
        {
            return nullptr;
        }

        auto poFeature = std::make_unique<OGRFeature>(m_defn.get());
        if (!poFeature->DeserializeFromBinary(m_buf.data(), m_buf.size()))
        {
            return nullptr;
        }

        return poFeature;
    }

    size_t Size() const override
    {