C++ class to serialize to a buffer

[Pedro Larroy]

Hi

I need to serialize to a buffer and after failing by using streams and the
private OutputStream derived classes as the padding was included in the
buffer I implemented something like:



class BufferedOutputStream : public avro::OutputStream {
public:
    std::vector<uint8_t> m_buf;
    BufferedOutputStream():
        m_buf()
    {
        m_buf.reserve(4096);
    }

    ~BufferedOutputStream()
    {
    }

    bool next(uint8_t** data, size_t* len);

    void backup(size_t len)
    {
        assert(m_buf.size() >= len);
        m_buf.resize(m_buf.size() - len);
    }

    uint64_t byteCount() const
    {
        return m_buf.size();
    }

    void flush() {}
};


Any comments on this?   I think the C++ code should have something similar,
or maybe I wasn't able to find it.


Pedro.