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dir_access.h
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/**************************************************************************/
/* dir_access.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. */
/**************************************************************************/
#pragma once
#include "core/object/ref_counted.h"
#include "core/string/ustring.h"
#include "core/typedefs.h"
//@ TODO, excellent candidate for THREAD_SAFE MACRO, should go through all these and add THREAD_SAFE where it applies
class DirAccess : public RefCounted {
GDCLASS(DirAccess, RefCounted);
public:
enum AccessType : int32_t {
ACCESS_RESOURCES,
ACCESS_USERDATA,
ACCESS_FILESYSTEM,
ACCESS_MAX
};
typedef Ref<DirAccess> (*CreateFunc)();
private:
AccessType _access_type = ACCESS_FILESYSTEM;
static CreateFunc create_func[ACCESS_MAX]; ///< set this to instance a filesystem object
static Ref<DirAccess> _open(const String &p_path);
Error _copy_dir(Ref<DirAccess> &p_target_da, const String &p_to, int p_chmod_flags, bool p_copy_links);
PackedStringArray _get_contents(bool p_directories);
thread_local static Error last_dir_open_error;
bool include_navigational = false;
bool include_hidden = false;
bool _is_temp = false;
bool _temp_keep_after_free = false;
String _temp_path;
void _delete_temp();
static Ref<DirAccess> _create_temp(const String &p_prefix = "", bool p_keep = false);
protected:
static void _bind_methods();
String _get_root_path() const;
virtual String _get_root_string() const;
AccessType get_access_type() const;
virtual String fix_path(const String &p_path) const;
template <typename T>
static Ref<DirAccess> _create_builtin() {
return memnew(T);
}
public:
virtual Error list_dir_begin() = 0; ///< This starts dir listing
virtual String get_next() = 0;
virtual bool current_is_dir() const = 0;
virtual bool current_is_hidden() const = 0;
virtual void list_dir_end() = 0; ///<
virtual int get_drive_count() = 0;
virtual String get_drive(int p_drive) = 0;
virtual int get_current_drive();
virtual bool drives_are_shortcuts();
virtual Error change_dir(String p_dir) = 0; ///< can be relative or absolute, return false on success
virtual String get_current_dir(bool p_include_drive = true) const = 0; ///< return current dir location
virtual Error make_dir(String p_dir) = 0;
virtual Error make_dir_recursive(const String &p_dir);
virtual Error erase_contents_recursive(); //super dangerous, use with care!
virtual bool file_exists(String p_file) = 0;
virtual bool dir_exists(String p_dir) = 0;
virtual bool is_readable(String p_dir) { return true; }
virtual bool is_writable(String p_dir) { return true; }
static bool exists(const String &p_dir);
virtual uint64_t get_space_left() = 0;
Error copy_dir(const String &p_from, String p_to, int p_chmod_flags = -1, bool p_copy_links = false);
virtual Error copy(const String &p_from, const String &p_to, int p_chmod_flags = -1);
virtual Error rename(String p_from, String p_to) = 0;
virtual Error remove(String p_name) = 0;
virtual bool is_link(String p_file) = 0;
virtual String read_link(String p_file) = 0;
virtual Error create_link(String p_source, String p_target) = 0;
// Meant for editor code when we want to quickly remove a file without custom
// handling (e.g. removing a cache file).
static void remove_file_or_error(const String &p_path) {
Ref<DirAccess> da = create(ACCESS_FILESYSTEM);
if (da->file_exists(p_path)) {
if (da->remove(p_path) != OK) {
ERR_FAIL_MSG(vformat("Cannot remove file or directory: '%s'.", p_path));
}
} else {
ERR_FAIL_MSG(vformat("Cannot remove non-existent file or directory: '%s'.", p_path));
}
}
virtual String get_filesystem_type() const = 0;
static String get_full_path(const String &p_path, AccessType p_access);
static Ref<DirAccess> create_for_path(const String &p_path);
static Ref<DirAccess> create(AccessType p_access);
static Error get_open_error();
template <typename T>
static void make_default(AccessType p_access) {
create_func[p_access] = _create_builtin<T>;
}
static Ref<DirAccess> open(const String &p_path, Error *r_error = nullptr);
static Ref<DirAccess> create_temp(const String &p_prefix = "", bool p_keep = false, Error *r_error = nullptr);
static int _get_drive_count();
static String get_drive_name(int p_idx);
static Error make_dir_absolute(const String &p_dir);
static Error make_dir_recursive_absolute(const String &p_dir);
static bool dir_exists_absolute(const String &p_dir);
static Error copy_absolute(const String &p_from, const String &p_to, int p_chmod_flags = -1);
static Error rename_absolute(const String &p_from, const String &p_to);
static Error remove_absolute(const String &p_path);
PackedStringArray get_files();
static PackedStringArray get_files_at(const String &p_path);
PackedStringArray get_directories();
static PackedStringArray get_directories_at(const String &p_path);
String _get_next();
void set_include_navigational(bool p_enable);
bool get_include_navigational() const;
void set_include_hidden(bool p_enable);
bool get_include_hidden() const;
virtual bool is_case_sensitive(const String &p_path) const;
virtual bool is_bundle(const String &p_file) const { return false; }
virtual bool is_equivalent(const String &p_path_a, const String &p_path_b) const;
public:
DirAccess() {}
virtual ~DirAccess();
};