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85 lines
4.3 KiB
C++
85 lines
4.3 KiB
C++
/**************************************************************************/
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/* file_access_patched.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#pragma once
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#include "file_access.h"
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#include "file_access_memory.h"
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class FileAccessPatched : public FileAccess {
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GDSOFTCLASS(FileAccessPatched, FileAccess);
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Ref<FileAccess> old_file;
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mutable Vector<uint8_t> patched_file_data;
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mutable Ref<FileAccessMemory> patched_file;
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mutable Error last_error = OK;
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Error _apply_patch() const;
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bool _try_apply_patch() const;
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protected:
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virtual BitField<UnixPermissionFlags> _get_unix_permissions(const String &p_file) override { return 0; }
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virtual Error _set_unix_permissions(const String &p_file, BitField<UnixPermissionFlags> p_permissions) override { return FAILED; }
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virtual bool _get_hidden_attribute(const String &p_file) override { return false; }
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virtual Error _set_hidden_attribute(const String &p_file, bool p_hidden) override { return ERR_UNAVAILABLE; }
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virtual bool _get_read_only_attribute(const String &p_file) override { return false; }
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virtual Error _set_read_only_attribute(const String &p_file, bool p_ro) override { return ERR_UNAVAILABLE; }
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virtual uint64_t _get_modified_time(const String &p_file) override { return 0; }
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virtual uint64_t _get_access_time(const String &p_file) override { return 0; }
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virtual int64_t _get_size(const String &p_file) override { return -1; }
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virtual Error open_internal(const String &p_path, int p_mode_flags) override { return ERR_UNAVAILABLE; }
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public:
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Error open_custom(const Ref<FileAccess> &p_old_file);
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virtual bool is_open() const override;
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virtual void seek(uint64_t p_position) override;
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virtual void seek_end(int64_t p_position = 0) override;
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virtual uint64_t get_position() const override;
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virtual uint64_t get_length() const override;
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virtual bool eof_reached() const override;
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virtual Error get_error() const override;
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virtual bool store_buffer(const uint8_t *p_src, uint64_t p_length) override;
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virtual uint64_t get_buffer(uint8_t *p_dst, uint64_t p_length) const override;
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virtual Error resize(int64_t p_length) override { return ERR_UNAVAILABLE; }
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virtual void flush() override;
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virtual void close() override;
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virtual bool file_exists(const String &p_name) override;
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};
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