/home/travis/build/lis-epfl/MAVRIC_Library/hal/common/file.hpp

/*******************************************************************************
 * Copyright (c) 2009-2016, MAV'RIC Development Team
 * All rights reserved.
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 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
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 ******************************************************************************/

/*******************************************************************************
 * \file    file.hpp
 *
 * \author  MAV'RIC Team
 *
 * \brief   Abstract class for Files
 *
 ******************************************************************************/

#ifndef FILE_HPP_
#define FILE_HPP_

#include <cstdint>


typedef enum
{
    FILE_SEEK_START   = 0,    
    FILE_SEEK_CURRENT = 1,    
    FILE_SEEK_END     = 2,    
} file_seekfrom_t;


class File
{
public:
    virtual bool open(const char* path) = 0;


    virtual bool is_open() = 0;

    virtual int8_t exists(const char* path) = 0;

    virtual bool close() = 0;


    virtual bool read(uint8_t* data, uint32_t size) = 0;


    virtual bool write(const uint8_t* data, uint32_t size) = 0;


    virtual bool seek(int32_t offset, file_seekfrom_t origin) = 0;


    virtual uint32_t offset() = 0;


    virtual uint32_t length() = 0;


    virtual bool flush() = 0;


    bool newline();
};

#endif /* FILE_HPP_ */