Class OverrideStream

src/streams.h:27–67

template<typename Stream>
class OverrideStream
{
    Stream* stream;

    const int nType;
    const int nVersion;

public:
    OverrideStream(Stream* stream_, int nType_, int nVersion_) : stream(stream_), nType(nType_), nVersion(nVersion_) {}

    template<typename T>
    OverrideStream<Stream>& operator<<(const T& obj)
    {
        // Serialize to this stream
        ::Serialize(*this, obj);
        return (*this);
    }

    template<typename T>
    OverrideStream<Stream>& operator>>(T&& obj)
    {
        // Unserialize from this stream
        ::Unserialize(*this, obj);
        return (*this);
    }

    void write(Span<const std::byte> src)
    {
        stream->write(src);
    }

    void read(Span<std::byte> dst)
    {
        stream->read(dst);
    }

    int GetVersion() const { return nVersion; }
    int GetType() const { return nType; }
    size_t size() const { return stream->size(); }
    void ignore(size_t size) { return stream->ignore(size); }
};

/* Minimal stream for overwriting and/or appending to an existing byte vector
 *