f066991aa7
remove code that will never run make definition and declaration names for parameters match change floats that were being set to bool values remove pointer that is never used
458 lines
10 KiB
C++
458 lines
10 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) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 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 "os/file_access.h"
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#include "os/memory.h"
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#include "os/os.h"
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#include "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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return "";
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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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return "";
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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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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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print_line("err recurso " + E->get());
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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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print_line("no go back " + E->get());
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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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print_line("no remove dir" + E->get());
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return err;
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}
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} else {
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print_line("no change to " + E->get());
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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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print_line("no remove file" + E->get());
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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::get_next(bool *p_is_dir) {
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String next = get_next();
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if (p_is_dir)
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*p_is_dir = current_is_dir();
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return next;
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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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}
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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(!da, NULL);
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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_FAIL_COND_V(err, 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_FAIL_COND_V(err, 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 = fdst->_chmod(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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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() + "/" + 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(err, err);
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}
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Error err = change_dir(E->get());
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ERR_FAIL_COND_V(err, err);
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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_PRINT("Failed to copy recursively");
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return err;
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}
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err = change_dir("..");
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if (err) {
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ERR_PRINT("Failed to go back");
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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::copy_dir(String p_from, String p_to, int p_chmod_flags) {
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ERR_FAIL_COND_V(!dir_exists(p_from), ERR_FILE_NOT_FOUND);
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DirAccess *target_da = DirAccess::create_for_path(p_to);
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ERR_FAIL_COND_V(!target_da, ERR_CANT_CREATE);
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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(err, err);
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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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