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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".
351 lines
11 KiB
C++
351 lines
11 KiB
C++
/**************************************************************************/
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/* config_file.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 "config_file.h"
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#include "core/io/file_access_encrypted.h"
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#include "core/os/keyboard.h"
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#include "core/string/string_builder.h"
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#include "core/variant/variant_parser.h"
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PackedStringArray ConfigFile::_get_sections() const {
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List<String> s;
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get_sections(&s);
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PackedStringArray arr;
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arr.resize(s.size());
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int idx = 0;
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for (const String &E : s) {
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arr.set(idx++, E);
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}
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return arr;
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}
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PackedStringArray ConfigFile::_get_section_keys(const String &p_section) const {
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List<String> s;
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get_section_keys(p_section, &s);
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PackedStringArray arr;
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arr.resize(s.size());
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int idx = 0;
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for (const String &E : s) {
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arr.set(idx++, E);
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}
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return arr;
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}
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void ConfigFile::set_value(const String &p_section, const String &p_key, const Variant &p_value) {
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if (p_value.get_type() == Variant::NIL) { // Erase key.
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if (!values.has(p_section)) {
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return;
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}
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values[p_section].erase(p_key);
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if (values[p_section].is_empty()) {
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values.erase(p_section);
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}
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} else {
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if (!values.has(p_section)) {
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// Insert section-less keys at the beginning.
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values.insert(p_section, HashMap<String, Variant>(), p_section.is_empty());
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}
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values[p_section][p_key] = p_value;
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}
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}
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Variant ConfigFile::get_value(const String &p_section, const String &p_key, Variant p_default) const {
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if (!values.has(p_section) || !values[p_section].has(p_key)) {
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ERR_FAIL_COND_V_MSG(p_default.get_type() == Variant::NIL, Variant(),
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vformat("Couldn't find the given section \"%s\" and key \"%s\", and no default was given.", p_section, p_key));
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return p_default;
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}
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return values[p_section][p_key];
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}
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bool ConfigFile::has_section(const String &p_section) const {
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return values.has(p_section);
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}
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bool ConfigFile::has_section_key(const String &p_section, const String &p_key) const {
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if (!values.has(p_section)) {
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return false;
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}
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return values[p_section].has(p_key);
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}
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void ConfigFile::get_sections(List<String> *r_sections) const {
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for (const KeyValue<String, HashMap<String, Variant>> &E : values) {
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r_sections->push_back(E.key);
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}
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}
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void ConfigFile::get_section_keys(const String &p_section, List<String> *r_keys) const {
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ERR_FAIL_COND_MSG(!values.has(p_section), vformat("Cannot get keys from nonexistent section \"%s\".", p_section));
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for (const KeyValue<String, Variant> &E : values[p_section]) {
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r_keys->push_back(E.key);
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}
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}
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void ConfigFile::erase_section(const String &p_section) {
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ERR_FAIL_COND_MSG(!values.has(p_section), vformat("Cannot erase nonexistent section \"%s\".", p_section));
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values.erase(p_section);
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}
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void ConfigFile::erase_section_key(const String &p_section, const String &p_key) {
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ERR_FAIL_COND_MSG(!values.has(p_section), vformat("Cannot erase key \"%s\" from nonexistent section \"%s\".", p_key, p_section));
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ERR_FAIL_COND_MSG(!values[p_section].has(p_key), vformat("Cannot erase nonexistent key \"%s\" from section \"%s\".", p_key, p_section));
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values[p_section].erase(p_key);
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if (values[p_section].is_empty()) {
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values.erase(p_section);
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}
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}
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String ConfigFile::encode_to_text() const {
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StringBuilder sb;
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bool first = true;
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for (const KeyValue<String, HashMap<String, Variant>> &E : values) {
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if (first) {
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first = false;
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} else {
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sb.append("\n");
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}
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if (!E.key.is_empty()) {
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sb.append("[" + E.key + "]\n\n");
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}
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for (const KeyValue<String, Variant> &F : E.value) {
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String vstr;
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VariantWriter::write_to_string(F.value, vstr);
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sb.append(F.key.property_name_encode() + "=" + vstr + "\n");
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}
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}
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return sb.as_string();
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}
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Error ConfigFile::save(const String &p_path) {
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Error err;
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Ref<FileAccess> file = FileAccess::open(p_path, FileAccess::WRITE, &err);
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if (err) {
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return err;
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}
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return _internal_save(file);
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}
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Error ConfigFile::save_encrypted(const String &p_path, const Vector<uint8_t> &p_key) {
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Error err;
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Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::WRITE, &err);
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if (err) {
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return err;
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}
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Ref<FileAccessEncrypted> fae;
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fae.instantiate();
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err = fae->open_and_parse(f, p_key, FileAccessEncrypted::MODE_WRITE_AES256);
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if (err) {
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return err;
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}
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return _internal_save(fae);
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}
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Error ConfigFile::save_encrypted_pass(const String &p_path, const String &p_pass) {
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Error err;
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Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::WRITE, &err);
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if (err) {
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return err;
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}
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Ref<FileAccessEncrypted> fae;
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fae.instantiate();
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err = fae->open_and_parse_password(f, p_pass, FileAccessEncrypted::MODE_WRITE_AES256);
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if (err) {
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return err;
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}
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return _internal_save(fae);
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}
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Error ConfigFile::_internal_save(Ref<FileAccess> file) {
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bool first = true;
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for (const KeyValue<String, HashMap<String, Variant>> &E : values) {
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if (first) {
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first = false;
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} else {
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file->store_string("\n");
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}
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if (!E.key.is_empty()) {
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file->store_string("[" + E.key + "]\n\n");
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}
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for (const KeyValue<String, Variant> &F : E.value) {
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String vstr;
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VariantWriter::write_to_string(F.value, vstr);
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file->store_string(F.key.property_name_encode() + "=" + vstr + "\n");
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}
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}
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return OK;
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}
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Error ConfigFile::load(const String &p_path) {
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Error err;
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Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ, &err);
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if (f.is_null()) {
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return err;
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}
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return _internal_load(p_path, f);
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}
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Error ConfigFile::load_encrypted(const String &p_path, const Vector<uint8_t> &p_key) {
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Error err;
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Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ, &err);
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if (err) {
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return err;
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}
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Ref<FileAccessEncrypted> fae;
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fae.instantiate();
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err = fae->open_and_parse(f, p_key, FileAccessEncrypted::MODE_READ);
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if (err) {
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return err;
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}
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return _internal_load(p_path, fae);
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}
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Error ConfigFile::load_encrypted_pass(const String &p_path, const String &p_pass) {
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Error err;
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Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ, &err);
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if (err) {
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return err;
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}
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Ref<FileAccessEncrypted> fae;
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fae.instantiate();
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err = fae->open_and_parse_password(f, p_pass, FileAccessEncrypted::MODE_READ);
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if (err) {
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return err;
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}
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return _internal_load(p_path, fae);
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}
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Error ConfigFile::_internal_load(const String &p_path, Ref<FileAccess> f) {
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VariantParser::StreamFile stream;
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stream.f = f;
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Error err = _parse(p_path, &stream);
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return err;
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}
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Error ConfigFile::parse(const String &p_data) {
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VariantParser::StreamString stream;
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stream.s = p_data;
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return _parse("<string>", &stream);
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}
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Error ConfigFile::_parse(const String &p_path, VariantParser::Stream *p_stream) {
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String assign;
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Variant value;
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VariantParser::Tag next_tag;
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int lines = 0;
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String error_text;
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String section;
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while (true) {
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assign = Variant();
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next_tag.fields.clear();
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next_tag.name = String();
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Error err = VariantParser::parse_tag_assign_eof(p_stream, lines, error_text, next_tag, assign, value, nullptr, true);
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if (err == ERR_FILE_EOF) {
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return OK;
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} else if (err != OK) {
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ERR_PRINT(vformat("ConfigFile parse error at %s:%d: %s.", p_path, lines, error_text));
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return err;
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}
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if (!assign.is_empty()) {
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set_value(section, assign, value);
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} else if (!next_tag.name.is_empty()) {
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section = next_tag.name;
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}
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}
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return OK;
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}
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void ConfigFile::clear() {
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values.clear();
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}
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void ConfigFile::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_value", "section", "key", "value"), &ConfigFile::set_value);
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ClassDB::bind_method(D_METHOD("get_value", "section", "key", "default"), &ConfigFile::get_value, DEFVAL(Variant()));
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ClassDB::bind_method(D_METHOD("has_section", "section"), &ConfigFile::has_section);
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ClassDB::bind_method(D_METHOD("has_section_key", "section", "key"), &ConfigFile::has_section_key);
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ClassDB::bind_method(D_METHOD("get_sections"), &ConfigFile::_get_sections);
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ClassDB::bind_method(D_METHOD("get_section_keys", "section"), &ConfigFile::_get_section_keys);
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ClassDB::bind_method(D_METHOD("erase_section", "section"), &ConfigFile::erase_section);
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ClassDB::bind_method(D_METHOD("erase_section_key", "section", "key"), &ConfigFile::erase_section_key);
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ClassDB::bind_method(D_METHOD("load", "path"), &ConfigFile::load);
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ClassDB::bind_method(D_METHOD("parse", "data"), &ConfigFile::parse);
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ClassDB::bind_method(D_METHOD("save", "path"), &ConfigFile::save);
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ClassDB::bind_method(D_METHOD("encode_to_text"), &ConfigFile::encode_to_text);
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BIND_METHOD_ERR_RETURN_DOC("load", ERR_FILE_CANT_OPEN);
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ClassDB::bind_method(D_METHOD("load_encrypted", "path", "key"), &ConfigFile::load_encrypted);
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ClassDB::bind_method(D_METHOD("load_encrypted_pass", "path", "password"), &ConfigFile::load_encrypted_pass);
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ClassDB::bind_method(D_METHOD("save_encrypted", "path", "key"), &ConfigFile::save_encrypted);
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ClassDB::bind_method(D_METHOD("save_encrypted_pass", "path", "password"), &ConfigFile::save_encrypted_pass);
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ClassDB::bind_method(D_METHOD("clear"), &ConfigFile::clear);
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}
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