6105dfdac9
Namely, move the drive dropdown to just the left of the path text box and don't include the former in the latter. This improves the UX on Windows. In the UNIX case, since its concept of drives is (ab)used to provide shortcuts to useful paths, its dropdown is kept at the original location.
454 lines
11 KiB
C++
454 lines
11 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) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 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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#include "dir_access.h"
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#include "core/os/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/project_settings.h"
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String DirAccess::_get_root_path() const {
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switch (_access_type) {
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case ACCESS_RESOURCES: return ProjectSettings::get_singleton()->get_resource_path();
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case ACCESS_USERDATA: return OS::get_singleton()->get_user_data_dir();
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default: 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: return "res://";
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case ACCESS_USERDATA: return "user://";
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default: 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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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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String DirAccess::get_current_dir_without_drive() {
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return get_current_dir();
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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 != String()) {
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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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n = da->get_next();
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}
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da->list_dir_end();
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for (List<String>::Element *E = dirs.front(); E; E = E->next()) {
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Error err = da->change_dir(E->get());
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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().plus_file(E->get()));
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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 (List<String>::Element *E = files.front(); E; E = E->next()) {
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Error err = da->remove(da->get_current_dir().plus_file(E->get()));
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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_rel_path()) {
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//append current
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full_dir = get_current_dir().plus_file(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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//int slices = full_dir.get_slice_count("/");
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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.begins_with("/"))
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base = "/";
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else if (full_dir.find(":/") != -1) {
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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.plus_file(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(err);
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}
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}
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return OK;
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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 != "") {
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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 != "") {
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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: 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] = { 0, 0, 0 };
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DirAccess *DirAccess::create_for_path(const String &p_path) {
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DirAccess *da = NULL;
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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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DirAccess *DirAccess::open(const String &p_path, Error *r_error) {
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DirAccess *da = create_for_path(p_path);
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ERR_FAIL_COND_V_MSG(!da, NULL, "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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if (err != OK) {
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memdelete(da);
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return NULL;
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}
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return da;
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}
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DirAccess *DirAccess::create(AccessType p_access) {
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DirAccess *da = create_func[p_access] ? create_func[p_access]() : NULL;
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if (da) {
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da->_access_type = p_access;
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}
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return da;
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};
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String DirAccess::get_full_path(const String &p_path, AccessType p_access) {
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DirAccess *d = DirAccess::create(p_access);
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if (!d)
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return p_path;
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d->change_dir(p_path);
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String full = d->get_current_dir();
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memdelete(d);
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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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FileAccess *fsrc = FileAccess::open(p_from, FileAccess::READ, &err);
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if (err) {
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ERR_PRINTS("Failed to open " + p_from);
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return err;
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}
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FileAccess *fdst = FileAccess::open(p_to, FileAccess::WRITE, &err);
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if (err) {
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fsrc->close();
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memdelete(fsrc);
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ERR_PRINTS("Failed to open " + p_to);
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return err;
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}
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fsrc->seek_end(0);
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int size = fsrc->get_position();
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fsrc->seek(0);
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err = OK;
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while (size--) {
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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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fdst->store_8(fsrc->get_8());
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}
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if (err == OK && p_chmod_flags != -1) {
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fdst->close();
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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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memdelete(fsrc);
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memdelete(fdst);
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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(DirAccess *p_target_da, String p_to, int p_chmod_flags) {
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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 != String()) {
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if (n != "." && n != "..") {
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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_rel_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().plus_file(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 (List<String>::Element *E = dirs.front(); E; E = E->next()) {
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String rel_path = E->get();
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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(E->get());
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ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot change current directory to '" + E->get() + "'.");
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err = _copy_dir(p_target_da, p_to + rel_path + "/", p_chmod_flags);
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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) {
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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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DirAccess *target_da = DirAccess::create_for_path(p_to);
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ERR_FAIL_COND_V_MSG(!target_da, 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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if (err) {
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memdelete(target_da);
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}
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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);
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memdelete(target_da);
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return err;
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}
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bool DirAccess::exists(String p_dir) {
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DirAccess *da = DirAccess::create_for_path(p_dir);
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bool valid = da->change_dir(p_dir) == OK;
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memdelete(da);
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return valid;
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}
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DirAccess::DirAccess() {
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_access_type = ACCESS_FILESYSTEM;
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}
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DirAccess::~DirAccess() {
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}
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