summaryrefslogtreecommitdiff
path: root/drivers/unix/file_access_unix.h
blob: e26591e3e898d8fe8f74f66411f725e962cf5c67 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
/*************************************************************************/
/*  file_access_unix.h                                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
/*                                                                       */
/* 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.                */
/*************************************************************************/

#ifndef FILE_ACCESS_UNIX_H
#define FILE_ACCESS_UNIX_H

#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;

	static FileAccess *create_libc();

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(size_t p_position); ///< seek to a given position
	virtual void seek_end(int64_t p_position = 0); ///< seek from the end of file
	virtual size_t get_position() const; ///< get position in the file
	virtual size_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 int get_buffer(uint8_t *p_dst, int 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, int 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