pandemonium_engine/drivers/unix/file_access_unix.h

91 lines
4.1 KiB
C++

#ifndef FILE_ACCESS_UNIX_H
#define FILE_ACCESS_UNIX_H
/*************************************************************************/
/* file_access_unix.h */
/*************************************************************************/
/* This file is part of: */
/* PANDEMONIUM ENGINE */
/* https://github.com/Relintai/pandemonium_engine */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "core/os/file_access.h"
#include "core/os/memory.h"
#include <stdio.h>
#if defined(UNIX_ENABLED) || defined(LIBC_FILEIO_ENABLED)
typedef void (*CloseNotificationFunc)(const String &p_file, int p_flags);
class FileAccessUnix : public FileAccess {
FILE *f;
int flags;
void check_errors() const;
mutable Error last_error;
String save_path;
String path;
String path_src;
public:
static CloseNotificationFunc close_notification_func;
virtual Error _open(const String &p_path, int p_mode_flags); ///< open a file
virtual void close(); ///< close a file
virtual bool is_open() const; ///< true when file is open
virtual String get_path() const; /// returns the path for the current open file
virtual String get_path_absolute() const; /// returns the absolute path for the current open file
virtual void seek(uint64_t p_position); ///< seek to a given position
virtual void seek_end(int64_t p_position = 0); ///< seek from the end of file
virtual uint64_t get_position() const; ///< get position in the file
virtual uint64_t get_len() const; ///< get size of the file
virtual bool eof_reached() const; ///< reading passed EOF
virtual uint8_t get_8() const; ///< get a byte
virtual uint64_t get_buffer(uint8_t *p_dst, uint64_t p_length) const;
virtual Error get_error() const; ///< get last error
virtual void flush();
virtual void store_8(uint8_t p_dest); ///< store a byte
virtual void store_buffer(const uint8_t *p_src, uint64_t p_length); ///< store an array of bytes
virtual bool file_exists(const String &p_path); ///< return true if a file exists
virtual uint64_t _get_modified_time(const String &p_file);
virtual uint32_t _get_unix_permissions(const String &p_file);
virtual Error _set_unix_permissions(const String &p_file, uint32_t p_permissions);
FileAccessUnix();
virtual ~FileAccessUnix();
};
#endif
#endif