mirror of
https://github.com/godotengine/godot
synced 2024-11-02 08:18:44 +00:00
84 lines
4.5 KiB
C++
84 lines
4.5 KiB
C++
/**************************************************************************/
|
|
/* file_access_memory.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_MEMORY_H
|
|
#define FILE_ACCESS_MEMORY_H
|
|
|
|
#include "core/io/file_access.h"
|
|
|
|
class FileAccessMemory : public FileAccess {
|
|
uint8_t *data = nullptr;
|
|
uint64_t length = 0;
|
|
mutable uint64_t pos = 0;
|
|
|
|
static Ref<FileAccess> create();
|
|
|
|
public:
|
|
static void register_file(const String &p_name, const Vector<uint8_t> &p_data);
|
|
static void cleanup();
|
|
|
|
virtual Error open_custom(const uint8_t *p_data, uint64_t p_len); ///< open a file
|
|
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 void seek(uint64_t p_position) override; ///< seek to a given position
|
|
virtual void seek_end(int64_t p_position) override; ///< seek from the end of file
|
|
virtual uint64_t get_position() const override; ///< get position in the file
|
|
virtual uint64_t get_length() const override; ///< get size of the file
|
|
|
|
virtual bool eof_reached() const override; ///< reading passed EOF
|
|
|
|
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; ///< get an array of bytes
|
|
|
|
virtual Error get_error() const override; ///< get last error
|
|
|
|
virtual void flush() override;
|
|
virtual void store_8(uint8_t p_byte) 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_name) override; ///< return true if a file exists
|
|
|
|
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 FAILED; }
|
|
|
|
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 {}
|
|
|
|
FileAccessMemory() {}
|
|
};
|
|
|
|
#endif // FILE_ACCESS_MEMORY_H
|