paulbergmann_mpstubs/test-stream/file_out.h

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2023-09-22 11:19:29 +02:00
/*! \file
* \brief \ref FileOut "File" \ref OutputStream "output" (for the voluntary C++ exercise only)
*/
#pragma once
#include "outputstream.h"
/*! \brief Write text into file
*
* This class allows a comfortable output to a file only by using the elementary
* system calls `open()` / `write()` / `close()` and (optional) `fsync()`.
* The class is derived from \ref OutputStream.
*/
class FileOut : public OutputStream {
// TODO: Add (private) attributes, if required
public:
/*! \brief Constructor
*
* Opens the file for writing using the system call `open()`.
* \param path Path to the output file
*
* \todo Implement constructor
*/
explicit FileOut(const char * path);
/*! \brief Destructor
*
* Close the output file (using the system call `close()`)
*
* \todo Implement destructor
*/
virtual ~FileOut();
/*! \brief Get path of the output file
*
* \return Path to output file (as defined in constructor)
*
* \todo Implement Method
*/
const char * getPath();
/*! \brief Number of output files which are currently opened (with this class)
*
* \return Number of active files
*
* \todo Implement Method
*/
static int count();
/*! \brief Write the string to the open file.
*
* The implementation should only use the system calls `write()` and `fsync()`.
*
* \todo Implement virtual Method
*/
virtual void flush() override; //NOLINT
};