StreamReader.h

#pragma once

#include <Filesystem.h>
#include <libsystem/Common.h>
#include <libutils/RefPtr.h>

class StreamReader : public RefPtr<StreamReader>
{
public:
    virtual size_t length() = 0;
    virtual size_t position() = 0;

    virtual bool can_seek() { return false; }

    virtual size_t read(void *buffer, size_t size) = 0;
    virtual size_t seek(size_t pos, Whence whence) = 0;

    virtual uint8_t read_byte()
    {
        uint8_t result;
        assert(read(&result, 1));
        return result;
    };
};

StreamWriter.h

#pragma once

#include <libsystem/Common.h>
#include <libutils/RefPtr.h>

class StreamWriter : public RefPtr<StreamWriter>
{
public:
    virtual size_t length() = 0;
    virtual size_t position() = 0;

    virtual void flush() = 0;
    virtual void write(const void *buffer, size_t size) = 0;

    virtual void write_byte(uint8_t v)
    {
        write(&v, 1);
    }
};