Layout.hh

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#ifndef avro_Layout_hh__
#define avro_Layout_hh__

#include <boost/noncopyable.hpp>
#include "Boost.hh"


namespace avro {
    
class Layout : private boost::noncopyable {

  protected:

    Layout(size_t offset = 0) :
        offset_(offset)
    {}

  public:

    size_t offset() const {
        return offset_;
    }

    virtual ~Layout() {}

  private:

    const size_t offset_;
};

class PrimitiveLayout : public Layout {

  public:

    PrimitiveLayout(size_t offset = 0) :
        Layout(offset)
    {}
};

class CompoundLayout : public Layout {

  public:

    CompoundLayout(size_t offset = 0) :
        Layout(offset)
    {}

    void add(Layout *layout) {
        layouts_.push_back(layout);
    }

    const Layout &at (size_t idx) const {
        return layouts_.at(idx);
    }

  private:

    boost::ptr_vector<Layout> layouts_;
};

} // namespace avro

#endif