AbstractSimpleIO.h

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#ifndef ABSTRACTSIMPLEIO_H
#define ABSTRACTSIMPLEIO_H
 
#include <cstddef>
#include <cstdint>
 
class AbstractSimpleReader {
public:
    virtual ~AbstractSimpleReader() = default;
    virtual int read(void *ptr, size_t len) = 0;
    virtual int64_t pos() const = 0;
    virtual void seek(int64_t pos) = 0;
};
 
class AbstractSimpleWriter {
public:
    virtual ~AbstractSimpleWriter() = default;
    virtual int write(void const *ptr, size_t len) = 0;
};
 
#endif // ABSTRACTSIMPLEIO_H