squeezelite-esp32/components/spotify/cspot/bell/main/io/include/FileStream.h

#pragma once

#include <string>
#include <stdexcept>
#include <BellLogger.h>
#include <ByteStream.h>
#include <stdio.h>

/*
* FileStream
*
* A class for reading and writing to files implementing the ByteStream interface.
*
*/
namespace bell
{
    class FileStream : public ByteStream
    {
    public:
        FileStream(const std::string& path, std::string mode);
        ~FileStream();

        FILE* file;

        /*
        * Reads data from the stream.
        *
        * @param buf The buffer to read data into.
        * @param nbytes The size of the buffer.
        * @return The number of bytes read.
        * @throws std::runtime_error if the stream is closed.
        */
        size_t read(uint8_t *buf, size_t nbytes);

        /*
        * Skips nbytes bytes in the stream.
        */
        size_t skip(size_t nbytes);

        size_t position();

        size_t size();

        // Closes the connection
        void close();
    };
}