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d95794ec8a
As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see".
589 lines
18 KiB
C++
589 lines
18 KiB
C++
/**************************************************************************/
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/* dir_access.cpp */
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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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#include "dir_access.h"
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#include "core/config/project_settings.h"
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#include "core/io/file_access.h"
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#include "core/os/memory.h"
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#include "core/os/os.h"
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#include "core/templates/local_vector.h"
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thread_local Error DirAccess::last_dir_open_error = OK;
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String DirAccess::_get_root_path() const {
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switch (_access_type) {
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case ACCESS_RESOURCES:
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return ProjectSettings::get_singleton()->get_resource_path();
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case ACCESS_USERDATA:
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return OS::get_singleton()->get_user_data_dir();
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default:
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return "";
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}
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}
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String DirAccess::_get_root_string() const {
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switch (_access_type) {
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case ACCESS_RESOURCES:
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return "res://";
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case ACCESS_USERDATA:
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return "user://";
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default:
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return "";
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}
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}
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int DirAccess::get_current_drive() {
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String path = get_current_dir().to_lower();
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for (int i = 0; i < get_drive_count(); i++) {
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String d = get_drive(i).to_lower();
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if (path.begins_with(d)) {
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return i;
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}
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}
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return 0;
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}
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bool DirAccess::drives_are_shortcuts() {
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return false;
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}
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static Error _erase_recursive(DirAccess *da) {
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List<String> dirs;
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List<String> files;
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da->list_dir_begin();
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String n = da->get_next();
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while (!n.is_empty()) {
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if (n != "." && n != "..") {
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if (da->current_is_dir()) {
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dirs.push_back(n);
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} else {
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files.push_back(n);
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}
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}
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n = da->get_next();
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}
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da->list_dir_end();
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for (const String &E : dirs) {
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Error err = da->change_dir(E);
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if (err == OK) {
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err = _erase_recursive(da);
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if (err) {
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da->change_dir("..");
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return err;
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}
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err = da->change_dir("..");
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if (err) {
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return err;
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}
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err = da->remove(da->get_current_dir().path_join(E));
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if (err) {
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return err;
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}
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} else {
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return err;
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}
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}
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for (const String &E : files) {
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Error err = da->remove(da->get_current_dir().path_join(E));
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if (err) {
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return err;
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}
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}
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return OK;
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}
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Error DirAccess::erase_contents_recursive() {
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return _erase_recursive(this);
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}
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Error DirAccess::make_dir_recursive(String p_dir) {
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if (p_dir.length() < 1) {
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return OK;
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}
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String full_dir;
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if (p_dir.is_relative_path()) {
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//append current
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full_dir = get_current_dir().path_join(p_dir);
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} else {
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full_dir = p_dir;
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}
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full_dir = full_dir.replace("\\", "/");
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String base;
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if (full_dir.begins_with("res://")) {
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base = "res://";
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} else if (full_dir.begins_with("user://")) {
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base = "user://";
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} else if (full_dir.is_network_share_path()) {
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int pos = full_dir.find("/", 2);
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ERR_FAIL_COND_V(pos < 0, ERR_INVALID_PARAMETER);
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pos = full_dir.find("/", pos + 1);
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ERR_FAIL_COND_V(pos < 0, ERR_INVALID_PARAMETER);
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base = full_dir.substr(0, pos + 1);
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} else if (full_dir.begins_with("/")) {
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base = "/";
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} else if (full_dir.contains(":/")) {
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base = full_dir.substr(0, full_dir.find(":/") + 2);
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} else {
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ERR_FAIL_V(ERR_INVALID_PARAMETER);
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}
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full_dir = full_dir.replace_first(base, "").simplify_path();
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Vector<String> subdirs = full_dir.split("/");
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String curpath = base;
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for (int i = 0; i < subdirs.size(); i++) {
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curpath = curpath.path_join(subdirs[i]);
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Error err = make_dir(curpath);
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if (err != OK && err != ERR_ALREADY_EXISTS) {
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ERR_FAIL_V_MSG(err, "Could not create directory: " + curpath);
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}
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}
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return OK;
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}
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DirAccess::AccessType DirAccess::get_access_type() const {
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return _access_type;
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}
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String DirAccess::fix_path(String p_path) const {
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switch (_access_type) {
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case ACCESS_RESOURCES: {
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if (ProjectSettings::get_singleton()) {
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if (p_path.begins_with("res://")) {
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String resource_path = ProjectSettings::get_singleton()->get_resource_path();
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if (!resource_path.is_empty()) {
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return p_path.replace_first("res:/", resource_path);
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}
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return p_path.replace_first("res://", "");
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}
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}
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} break;
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case ACCESS_USERDATA: {
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if (p_path.begins_with("user://")) {
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String data_dir = OS::get_singleton()->get_user_data_dir();
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if (!data_dir.is_empty()) {
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return p_path.replace_first("user:/", data_dir);
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}
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return p_path.replace_first("user://", "");
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}
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} break;
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case ACCESS_FILESYSTEM: {
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return p_path;
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} break;
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case ACCESS_MAX:
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break; // Can't happen, but silences warning
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}
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return p_path;
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}
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DirAccess::CreateFunc DirAccess::create_func[ACCESS_MAX] = { nullptr, nullptr, nullptr };
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Ref<DirAccess> DirAccess::create_for_path(const String &p_path) {
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Ref<DirAccess> da;
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if (p_path.begins_with("res://")) {
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da = create(ACCESS_RESOURCES);
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} else if (p_path.begins_with("user://")) {
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da = create(ACCESS_USERDATA);
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} else {
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da = create(ACCESS_FILESYSTEM);
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}
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return da;
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}
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Ref<DirAccess> DirAccess::open(const String &p_path, Error *r_error) {
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Ref<DirAccess> da = create_for_path(p_path);
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ERR_FAIL_COND_V_MSG(da.is_null(), nullptr, "Cannot create DirAccess for path '" + p_path + "'.");
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Error err = da->change_dir(p_path);
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if (r_error) {
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*r_error = err;
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}
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if (err != OK) {
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return nullptr;
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}
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return da;
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}
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Ref<DirAccess> DirAccess::_open(const String &p_path) {
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Error err = OK;
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Ref<DirAccess> da = open(p_path, &err);
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last_dir_open_error = err;
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if (err) {
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return Ref<DirAccess>();
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}
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return da;
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}
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int DirAccess::_get_drive_count() {
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Ref<DirAccess> d = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
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return d->get_drive_count();
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}
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String DirAccess::get_drive_name(int p_idx) {
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Ref<DirAccess> d = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
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return d->get_drive(p_idx);
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}
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Error DirAccess::make_dir_absolute(const String &p_dir) {
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Ref<DirAccess> d = DirAccess::create_for_path(p_dir);
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return d->make_dir(p_dir);
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}
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Error DirAccess::make_dir_recursive_absolute(const String &p_dir) {
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Ref<DirAccess> d = DirAccess::create_for_path(p_dir);
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return d->make_dir_recursive(p_dir);
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}
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bool DirAccess::dir_exists_absolute(const String &p_dir) {
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Ref<DirAccess> d = DirAccess::create_for_path(p_dir);
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return d->dir_exists(p_dir);
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}
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Error DirAccess::copy_absolute(const String &p_from, const String &p_to, int p_chmod_flags) {
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Ref<DirAccess> d = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
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// Support copying from res:// to user:// etc.
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String from = ProjectSettings::get_singleton()->globalize_path(p_from);
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String to = ProjectSettings::get_singleton()->globalize_path(p_to);
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return d->copy(from, to, p_chmod_flags);
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}
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Error DirAccess::rename_absolute(const String &p_from, const String &p_to) {
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Ref<DirAccess> d = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
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String from = ProjectSettings::get_singleton()->globalize_path(p_from);
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String to = ProjectSettings::get_singleton()->globalize_path(p_to);
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return d->rename(from, to);
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}
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Error DirAccess::remove_absolute(const String &p_path) {
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Ref<DirAccess> d = DirAccess::create_for_path(p_path);
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return d->remove(p_path);
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}
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Ref<DirAccess> DirAccess::create(AccessType p_access) {
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Ref<DirAccess> da = create_func[p_access] ? create_func[p_access]() : nullptr;
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if (da.is_valid()) {
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da->_access_type = p_access;
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// for ACCESS_RESOURCES and ACCESS_FILESYSTEM, current_dir already defaults to where game was started
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// in case current directory is force changed elsewhere for ACCESS_RESOURCES
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if (p_access == ACCESS_RESOURCES) {
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da->change_dir("res://");
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} else if (p_access == ACCESS_USERDATA) {
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da->change_dir("user://");
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}
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}
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return da;
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}
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Error DirAccess::get_open_error() {
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return last_dir_open_error;
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}
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String DirAccess::get_full_path(const String &p_path, AccessType p_access) {
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Ref<DirAccess> d = DirAccess::create(p_access);
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if (d.is_null()) {
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return p_path;
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}
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d->change_dir(p_path);
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String full = d->get_current_dir();
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return full;
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}
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Error DirAccess::copy(String p_from, String p_to, int p_chmod_flags) {
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//printf("copy %s -> %s\n",p_from.ascii().get_data(),p_to.ascii().get_data());
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Error err;
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{
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Ref<FileAccess> fsrc = FileAccess::open(p_from, FileAccess::READ, &err);
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ERR_FAIL_COND_V_MSG(err != OK, err, "Failed to open " + p_from);
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Ref<FileAccess> fdst = FileAccess::open(p_to, FileAccess::WRITE, &err);
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ERR_FAIL_COND_V_MSG(err != OK, err, "Failed to open " + p_to);
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const size_t copy_buffer_limit = 65536; // 64 KB
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fsrc->seek_end(0);
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uint64_t size = fsrc->get_position();
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fsrc->seek(0);
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err = OK;
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size_t buffer_size = MIN(size * sizeof(uint8_t), copy_buffer_limit);
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LocalVector<uint8_t> buffer;
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buffer.resize(buffer_size);
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while (size > 0) {
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if (fsrc->get_error() != OK) {
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err = fsrc->get_error();
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break;
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}
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if (fdst->get_error() != OK) {
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err = fdst->get_error();
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break;
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}
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int bytes_read = fsrc->get_buffer(buffer.ptr(), buffer_size);
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if (bytes_read <= 0) {
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err = FAILED;
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break;
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}
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fdst->store_buffer(buffer.ptr(), bytes_read);
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size -= bytes_read;
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}
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}
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if (err == OK && p_chmod_flags != -1) {
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err = FileAccess::set_unix_permissions(p_to, p_chmod_flags);
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// If running on a platform with no chmod support (i.e., Windows), don't fail
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if (err == ERR_UNAVAILABLE) {
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err = OK;
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}
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}
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return err;
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}
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// Changes dir for the current scope, returning back to the original dir
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// when scope exits
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class DirChanger {
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DirAccess *da;
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String original_dir;
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public:
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DirChanger(DirAccess *p_da, String p_dir) :
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da(p_da),
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original_dir(p_da->get_current_dir()) {
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p_da->change_dir(p_dir);
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}
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~DirChanger() {
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da->change_dir(original_dir);
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}
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};
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Error DirAccess::_copy_dir(Ref<DirAccess> &p_target_da, String p_to, int p_chmod_flags, bool p_copy_links) {
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List<String> dirs;
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String curdir = get_current_dir();
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list_dir_begin();
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String n = get_next();
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while (!n.is_empty()) {
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if (n != "." && n != "..") {
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if (p_copy_links && is_link(get_current_dir().path_join(n))) {
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create_link(read_link(get_current_dir().path_join(n)), p_to + n);
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} else if (current_is_dir()) {
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dirs.push_back(n);
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} else {
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const String &rel_path = n;
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if (!n.is_relative_path()) {
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list_dir_end();
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return ERR_BUG;
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}
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Error err = copy(get_current_dir().path_join(n), p_to + rel_path, p_chmod_flags);
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if (err) {
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list_dir_end();
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return err;
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}
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}
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}
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n = get_next();
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}
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list_dir_end();
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for (const String &rel_path : dirs) {
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String target_dir = p_to + rel_path;
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if (!p_target_da->dir_exists(target_dir)) {
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Error err = p_target_da->make_dir(target_dir);
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ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot create directory '" + target_dir + "'.");
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}
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Error err = change_dir(rel_path);
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ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot change current directory to '" + rel_path + "'.");
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err = _copy_dir(p_target_da, p_to + rel_path + "/", p_chmod_flags, p_copy_links);
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if (err) {
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change_dir("..");
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ERR_FAIL_V_MSG(err, "Failed to copy recursively.");
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}
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err = change_dir("..");
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ERR_FAIL_COND_V_MSG(err != OK, err, "Failed to go back.");
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}
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return OK;
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}
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Error DirAccess::copy_dir(String p_from, String p_to, int p_chmod_flags, bool p_copy_links) {
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ERR_FAIL_COND_V_MSG(!dir_exists(p_from), ERR_FILE_NOT_FOUND, "Source directory doesn't exist.");
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Ref<DirAccess> target_da = DirAccess::create_for_path(p_to);
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ERR_FAIL_COND_V_MSG(target_da.is_null(), ERR_CANT_CREATE, "Cannot create DirAccess for path '" + p_to + "'.");
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if (!target_da->dir_exists(p_to)) {
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Error err = target_da->make_dir_recursive(p_to);
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ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot create directory '" + p_to + "'.");
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}
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if (!p_to.ends_with("/")) {
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p_to = p_to + "/";
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}
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DirChanger dir_changer(this, p_from);
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Error err = _copy_dir(target_da, p_to, p_chmod_flags, p_copy_links);
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return err;
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}
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bool DirAccess::exists(String p_dir) {
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Ref<DirAccess> da = DirAccess::create_for_path(p_dir);
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return da->change_dir(p_dir) == OK;
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}
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PackedStringArray DirAccess::get_files() {
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return _get_contents(false);
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}
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PackedStringArray DirAccess::get_files_at(const String &p_path) {
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Ref<DirAccess> da = DirAccess::open(p_path);
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ERR_FAIL_COND_V_MSG(da.is_null(), PackedStringArray(), vformat("Couldn't open directory at path \"%s\".", p_path));
|
|
return da->get_files();
|
|
}
|
|
|
|
PackedStringArray DirAccess::get_directories() {
|
|
return _get_contents(true);
|
|
}
|
|
|
|
PackedStringArray DirAccess::get_directories_at(const String &p_path) {
|
|
Ref<DirAccess> da = DirAccess::open(p_path);
|
|
ERR_FAIL_COND_V_MSG(da.is_null(), PackedStringArray(), vformat("Couldn't open directory at path \"%s\".", p_path));
|
|
return da->get_directories();
|
|
}
|
|
|
|
PackedStringArray DirAccess::_get_contents(bool p_directories) {
|
|
PackedStringArray ret;
|
|
|
|
list_dir_begin();
|
|
String s = _get_next();
|
|
while (!s.is_empty()) {
|
|
if (current_is_dir() == p_directories) {
|
|
ret.append(s);
|
|
}
|
|
s = _get_next();
|
|
}
|
|
|
|
ret.sort();
|
|
return ret;
|
|
}
|
|
|
|
String DirAccess::_get_next() {
|
|
String next = get_next();
|
|
while (!next.is_empty() && ((!include_navigational && (next == "." || next == "..")) || (!include_hidden && current_is_hidden()))) {
|
|
next = get_next();
|
|
}
|
|
return next;
|
|
}
|
|
|
|
void DirAccess::set_include_navigational(bool p_enable) {
|
|
include_navigational = p_enable;
|
|
}
|
|
|
|
bool DirAccess::get_include_navigational() const {
|
|
return include_navigational;
|
|
}
|
|
|
|
void DirAccess::set_include_hidden(bool p_enable) {
|
|
include_hidden = p_enable;
|
|
}
|
|
|
|
bool DirAccess::get_include_hidden() const {
|
|
return include_hidden;
|
|
}
|
|
|
|
void DirAccess::_bind_methods() {
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("open", "path"), &DirAccess::_open);
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("get_open_error"), &DirAccess::get_open_error);
|
|
|
|
ClassDB::bind_method(D_METHOD("list_dir_begin"), &DirAccess::list_dir_begin, DEFVAL(false), DEFVAL(false));
|
|
ClassDB::bind_method(D_METHOD("get_next"), &DirAccess::_get_next);
|
|
ClassDB::bind_method(D_METHOD("current_is_dir"), &DirAccess::current_is_dir);
|
|
ClassDB::bind_method(D_METHOD("list_dir_end"), &DirAccess::list_dir_end);
|
|
ClassDB::bind_method(D_METHOD("get_files"), &DirAccess::get_files);
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("get_files_at", "path"), &DirAccess::get_files_at);
|
|
ClassDB::bind_method(D_METHOD("get_directories"), &DirAccess::get_directories);
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("get_directories_at", "path"), &DirAccess::get_directories_at);
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("get_drive_count"), &DirAccess::_get_drive_count);
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("get_drive_name", "idx"), &DirAccess::get_drive_name);
|
|
ClassDB::bind_method(D_METHOD("get_current_drive"), &DirAccess::get_current_drive);
|
|
ClassDB::bind_method(D_METHOD("change_dir", "to_dir"), &DirAccess::change_dir);
|
|
ClassDB::bind_method(D_METHOD("get_current_dir", "include_drive"), &DirAccess::get_current_dir, DEFVAL(true));
|
|
ClassDB::bind_method(D_METHOD("make_dir", "path"), &DirAccess::make_dir);
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("make_dir_absolute", "path"), &DirAccess::make_dir_absolute);
|
|
ClassDB::bind_method(D_METHOD("make_dir_recursive", "path"), &DirAccess::make_dir_recursive);
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("make_dir_recursive_absolute", "path"), &DirAccess::make_dir_recursive_absolute);
|
|
ClassDB::bind_method(D_METHOD("file_exists", "path"), &DirAccess::file_exists);
|
|
ClassDB::bind_method(D_METHOD("dir_exists", "path"), &DirAccess::dir_exists);
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("dir_exists_absolute", "path"), &DirAccess::dir_exists_absolute);
|
|
ClassDB::bind_method(D_METHOD("get_space_left"), &DirAccess::get_space_left);
|
|
ClassDB::bind_method(D_METHOD("copy", "from", "to", "chmod_flags"), &DirAccess::copy, DEFVAL(-1));
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("copy_absolute", "from", "to", "chmod_flags"), &DirAccess::copy_absolute, DEFVAL(-1));
|
|
ClassDB::bind_method(D_METHOD("rename", "from", "to"), &DirAccess::rename);
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("rename_absolute", "from", "to"), &DirAccess::rename_absolute);
|
|
ClassDB::bind_method(D_METHOD("remove", "path"), &DirAccess::remove);
|
|
ClassDB::bind_static_method("DirAccess", D_METHOD("remove_absolute", "path"), &DirAccess::remove_absolute);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_include_navigational", "enable"), &DirAccess::set_include_navigational);
|
|
ClassDB::bind_method(D_METHOD("get_include_navigational"), &DirAccess::get_include_navigational);
|
|
ClassDB::bind_method(D_METHOD("set_include_hidden", "enable"), &DirAccess::set_include_hidden);
|
|
ClassDB::bind_method(D_METHOD("get_include_hidden"), &DirAccess::get_include_hidden);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "include_navigational"), "set_include_navigational", "get_include_navigational");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "include_hidden"), "set_include_hidden", "get_include_hidden");
|
|
}
|