streamable.h

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#ifndef ION_DEVICE_USB_STREAMABLE_H
#define ION_DEVICE_USB_STREAMABLE_H

#include <stdint.h>
#include <stddef.h>

namespace Ion {
namespace USB {
namespace Device {

class Streamable {
public:
  uint16_t copy(void * target, size_t maxSize) const;
protected:
  class Channel {
  public:
    Channel(void * pointer, size_t maxSize) :
      m_pointer(pointer),
      m_sizeLeft(maxSize)
    {
    }
    template<typename T>
    void push(T data) {
      if (m_sizeLeft >= sizeof(T)) {
        T * typedPointer = static_cast<T *>(m_pointer);
        *typedPointer++ = data; // Actually push the data
        m_pointer = static_cast<void *>(typedPointer);
        m_sizeLeft -= sizeof(T);
      }
    }
    size_t sizeLeft() { return m_sizeLeft; }
  private:
    void * m_pointer;
    size_t m_sizeLeft;
  };
  virtual void push(Channel * c) const = 0;
};


}
}
}

#endif