godot/drivers/unix/file_access_unix_pipe.h

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/**************************************************************************/
/* file_access_unix_pipe.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 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. */
/**************************************************************************/
#ifndef FILE_ACCESS_UNIX_PIPE_H
#define FILE_ACCESS_UNIX_PIPE_H
#include "core/io/file_access.h"
#include "core/os/memory.h"
#include <stdio.h>
#if defined(UNIX_ENABLED)
class FileAccessUnixPipe : public FileAccess {
bool unlink_on_close = false;
int fd[2] = { -1, -1 };
mutable Error last_error = OK;
String path;
String path_src;
void _close();
public:
Error open_existing(int p_rfd, int p_wfd);
virtual Error open_internal(const String &p_path, int p_mode_flags) override; ///< open a file
virtual bool is_open() const override; ///< true when file is open
virtual String get_path() const override; /// returns the path for the current open file
virtual String get_path_absolute() const override; /// returns the absolute path for the current open file
virtual void seek(uint64_t p_position) override {}
virtual void seek_end(int64_t p_position = 0) override {}
virtual uint64_t get_position() const override { return 0; }
virtual uint64_t get_length() const override { return 0; }
virtual bool eof_reached() const override { return false; }
virtual uint8_t get_8() const override; ///< get a byte
virtual uint64_t get_buffer(uint8_t *p_dst, uint64_t p_length) const override;
virtual Error get_error() const override; ///< get last error
virtual Error resize(int64_t p_length) override { return ERR_UNAVAILABLE; }
virtual void flush() override {}
virtual void store_8(uint8_t p_src) override; ///< store a byte
virtual void store_buffer(const uint8_t *p_src, uint64_t p_length) override; ///< store an array of bytes
virtual bool file_exists(const String &p_path) override { return false; }
virtual uint64_t _get_modified_time(const String &p_file) override { return 0; }
virtual BitField<FileAccess::UnixPermissionFlags> _get_unix_permissions(const String &p_file) override { return 0; }
virtual Error _set_unix_permissions(const String &p_file, BitField<FileAccess::UnixPermissionFlags> p_permissions) override { return ERR_UNAVAILABLE; }
virtual bool _get_hidden_attribute(const String &p_file) override { return false; }
virtual Error _set_hidden_attribute(const String &p_file, bool p_hidden) override { return ERR_UNAVAILABLE; }
virtual bool _get_read_only_attribute(const String &p_file) override { return false; }
virtual Error _set_read_only_attribute(const String &p_file, bool p_ro) override { return ERR_UNAVAILABLE; }
virtual void close() override;
FileAccessUnixPipe() {}
virtual ~FileAccessUnixPipe();
};
#endif // UNIX_ENABLED
#endif // FILE_ACCESS_UNIX_PIPE_H