| 1 | /**************************************************************************/ |
| 2 | /* file_access_unix.h */ |
| 3 | /**************************************************************************/ |
| 4 | /* This file is part of: */ |
| 5 | /* GODOT ENGINE */ |
| 6 | /* https://godotengine.org */ |
| 7 | /**************************************************************************/ |
| 8 | /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ |
| 9 | /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ |
| 10 | /* */ |
| 11 | /* Permission is hereby granted, free of charge, to any person obtaining */ |
| 12 | /* a copy of this software and associated documentation files (the */ |
| 13 | /* "Software"), to deal in the Software without restriction, including */ |
| 14 | /* without limitation the rights to use, copy, modify, merge, publish, */ |
| 15 | /* distribute, sublicense, and/or sell copies of the Software, and to */ |
| 16 | /* permit persons to whom the Software is furnished to do so, subject to */ |
| 17 | /* the following conditions: */ |
| 18 | /* */ |
| 19 | /* The above copyright notice and this permission notice shall be */ |
| 20 | /* included in all copies or substantial portions of the Software. */ |
| 21 | /* */ |
| 22 | /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ |
| 23 | /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ |
| 24 | /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ |
| 25 | /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ |
| 26 | /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ |
| 27 | /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ |
| 28 | /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 29 | /**************************************************************************/ |
| 30 | |
| 31 | #ifndef FILE_ACCESS_UNIX_H |
| 32 | #define FILE_ACCESS_UNIX_H |
| 33 | |
| 34 | #include "core/io/file_access.h" |
| 35 | #include "core/os/memory.h" |
| 36 | |
| 37 | #include <stdio.h> |
| 38 | |
| 39 | #if defined(UNIX_ENABLED) |
| 40 | |
| 41 | typedef void (*CloseNotificationFunc)(const String &p_file, int p_flags); |
| 42 | |
| 43 | class FileAccessUnix : public FileAccess { |
| 44 | FILE *f = nullptr; |
| 45 | int flags = 0; |
| 46 | void check_errors() const; |
| 47 | mutable Error last_error = OK; |
| 48 | String save_path; |
| 49 | String path; |
| 50 | String path_src; |
| 51 | |
| 52 | void _close(); |
| 53 | |
| 54 | public: |
| 55 | static CloseNotificationFunc close_notification_func; |
| 56 | |
| 57 | virtual Error open_internal(const String &p_path, int p_mode_flags) override; ///< open a file |
| 58 | virtual bool is_open() const override; ///< true when file is open |
| 59 | |
| 60 | virtual String get_path() const override; /// returns the path for the current open file |
| 61 | virtual String get_path_absolute() const override; /// returns the absolute path for the current open file |
| 62 | |
| 63 | virtual void seek(uint64_t p_position) override; ///< seek to a given position |
| 64 | virtual void seek_end(int64_t p_position = 0) override; ///< seek from the end of file |
| 65 | virtual uint64_t get_position() const override; ///< get position in the file |
| 66 | virtual uint64_t get_length() const override; ///< get size of the file |
| 67 | |
| 68 | virtual bool eof_reached() const override; ///< reading passed EOF |
| 69 | |
| 70 | virtual uint8_t get_8() const override; ///< get a byte |
| 71 | virtual uint64_t get_buffer(uint8_t *p_dst, uint64_t p_length) const override; |
| 72 | |
| 73 | virtual Error get_error() const override; ///< get last error |
| 74 | |
| 75 | virtual void flush() override; |
| 76 | virtual void store_8(uint8_t p_dest) override; ///< store a byte |
| 77 | virtual void store_buffer(const uint8_t *p_src, uint64_t p_length) override; ///< store an array of bytes |
| 78 | |
| 79 | virtual bool file_exists(const String &p_path) override; ///< return true if a file exists |
| 80 | |
| 81 | virtual uint64_t _get_modified_time(const String &p_file) override; |
| 82 | virtual BitField<FileAccess::UnixPermissionFlags> _get_unix_permissions(const String &p_file) override; |
| 83 | virtual Error _set_unix_permissions(const String &p_file, BitField<FileAccess::UnixPermissionFlags> p_permissions) override; |
| 84 | |
| 85 | virtual bool _get_hidden_attribute(const String &p_file) override; |
| 86 | virtual Error _set_hidden_attribute(const String &p_file, bool p_hidden) override; |
| 87 | virtual bool _get_read_only_attribute(const String &p_file) override; |
| 88 | virtual Error _set_read_only_attribute(const String &p_file, bool p_ro) override; |
| 89 | |
| 90 | virtual void close() override; |
| 91 | |
| 92 | FileAccessUnix() {} |
| 93 | virtual ~FileAccessUnix(); |
| 94 | }; |
| 95 | |
| 96 | #endif // UNIX_ENABLED |
| 97 | |
| 98 | #endif // FILE_ACCESS_UNIX_H |
| 99 | |