133 lines
5.4 KiB
C++
133 lines
5.4 KiB
C++
/*************************************************************************/
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/* dir_access.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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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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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#ifndef DIR_ACCESS_H
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#define DIR_ACCESS_H
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#include "core/object/ref_counted.h"
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#include "core/string/ustring.h"
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#include "core/typedefs.h"
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//@ TODO, excellent candidate for THREAD_SAFE MACRO, should go through all these and add THREAD_SAFE where it applies
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class DirAccess : public RefCounted {
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public:
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enum AccessType {
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ACCESS_RESOURCES,
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ACCESS_USERDATA,
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ACCESS_FILESYSTEM,
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ACCESS_MAX
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};
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typedef Ref<DirAccess> (*CreateFunc)();
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private:
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AccessType _access_type = ACCESS_FILESYSTEM;
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static CreateFunc create_func[ACCESS_MAX]; ///< set this to instance a filesystem object
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Error _copy_dir(Ref<DirAccess> &p_target_da, String p_to, int p_chmod_flags, bool p_copy_links);
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protected:
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String _get_root_path() const;
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virtual String _get_root_string() const;
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AccessType get_access_type() const;
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String fix_path(String p_path) const;
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template <class T>
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static Ref<DirAccess> _create_builtin() {
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return memnew(T);
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}
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public:
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virtual Error list_dir_begin() = 0; ///< This starts dir listing
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virtual String get_next() = 0;
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virtual bool current_is_dir() const = 0;
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virtual bool current_is_hidden() const = 0;
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virtual void list_dir_end() = 0; ///<
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virtual int get_drive_count() = 0;
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virtual String get_drive(int p_drive) = 0;
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virtual int get_current_drive();
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virtual bool drives_are_shortcuts();
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virtual Error change_dir(String p_dir) = 0; ///< can be relative or absolute, return false on success
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virtual String get_current_dir(bool p_include_drive = true) const = 0; ///< return current dir location
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virtual Error make_dir(String p_dir) = 0;
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virtual Error make_dir_recursive(String p_dir);
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virtual Error erase_contents_recursive(); //super dangerous, use with care!
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virtual bool file_exists(String p_file) = 0;
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virtual bool dir_exists(String p_dir) = 0;
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virtual bool is_readable(String p_dir) { return true; };
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virtual bool is_writable(String p_dir) { return true; };
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static bool exists(String p_dir);
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virtual uint64_t get_space_left() = 0;
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Error copy_dir(String p_from, String p_to, int p_chmod_flags = -1, bool p_copy_links = false);
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virtual Error copy(String p_from, String p_to, int p_chmod_flags = -1);
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virtual Error rename(String p_from, String p_to) = 0;
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virtual Error remove(String p_name) = 0;
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virtual bool is_link(String p_file) = 0;
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virtual String read_link(String p_file) = 0;
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virtual Error create_link(String p_source, String p_target) = 0;
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// Meant for editor code when we want to quickly remove a file without custom
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// handling (e.g. removing a cache file).
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static void remove_file_or_error(String p_path) {
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Ref<DirAccess> da = create(ACCESS_FILESYSTEM);
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if (da->file_exists(p_path)) {
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if (da->remove(p_path) != OK) {
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ERR_FAIL_MSG("Cannot remove file or directory: " + p_path);
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}
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} else {
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ERR_FAIL_MSG("Cannot remove non-existent file or directory: " + p_path);
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}
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}
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virtual String get_filesystem_type() const = 0;
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static String get_full_path(const String &p_path, AccessType p_access);
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static Ref<DirAccess> create_for_path(const String &p_path);
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static Ref<DirAccess> create(AccessType p_access);
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template <class T>
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static void make_default(AccessType p_access) {
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create_func[p_access] = _create_builtin<T>;
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}
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static Ref<DirAccess> open(const String &p_path, Error *r_error = nullptr);
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DirAccess() {}
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virtual ~DirAccess() {}
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};
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#endif // DIR_ACCESS_H
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