2014-02-10 09:10:30 +08:00
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/*************************************************************************/
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/* dictionary.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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2017-08-27 20:16:55 +08:00
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/* https://godotengine.org */
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2014-02-10 09:10:30 +08:00
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/*************************************************************************/
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2022-01-04 04:27:34 +08:00
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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2014-02-10 09:10:30 +08:00
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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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2018-01-05 07:50:27 +08:00
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2014-02-10 09:10:30 +08:00
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#include "dictionary.h"
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2017-01-16 15:04:19 +08:00
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2022-05-08 16:09:19 +08:00
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#include "core/templates/hash_map.h"
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2020-11-08 06:33:38 +08:00
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#include "core/templates/safe_refcount.h"
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#include "core/variant/variant.h"
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2021-07-02 03:03:37 +08:00
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// required in this order by VariantInternal, do not remove this comment.
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#include "core/object/class_db.h"
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#include "core/object/object.h"
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#include "core/variant/type_info.h"
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#include "core/variant/variant_internal.h"
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2014-02-10 09:10:30 +08:00
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struct DictionaryPrivate {
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SafeRefCount refcount;
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2022-05-16 21:44:43 +08:00
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Variant *read_only = nullptr; // If enabled, a pointer is used to a temporary value that is used to return read-only values.
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2022-05-08 16:09:19 +08:00
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HashMap<Variant, Variant, VariantHasher, VariantComparator> variant_map;
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2017-01-09 01:16:21 +08:00
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};
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2014-02-10 09:10:30 +08:00
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2017-03-05 23:44:50 +08:00
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void Dictionary::get_key_list(List<Variant> *p_keys) const {
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2020-12-15 20:04:21 +08:00
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if (_p->variant_map.is_empty()) {
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2017-01-09 01:16:21 +08:00
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return;
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2020-05-14 22:41:43 +08:00
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}
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2017-01-09 01:16:21 +08:00
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2022-05-08 16:09:19 +08:00
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for (const KeyValue<Variant, Variant> &E : _p->variant_map) {
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p_keys->push_back(E.key);
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2017-01-09 01:16:21 +08:00
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}
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2014-02-10 09:10:30 +08:00
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}
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2018-05-20 04:57:44 +08:00
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Variant Dictionary::get_key_at_index(int p_index) const {
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int index = 0;
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2022-05-08 16:09:19 +08:00
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for (const KeyValue<Variant, Variant> &E : _p->variant_map) {
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2018-05-20 04:57:44 +08:00
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if (index == p_index) {
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2022-05-08 16:09:19 +08:00
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return E.key;
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2018-05-20 04:57:44 +08:00
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}
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index++;
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}
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return Variant();
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}
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Variant Dictionary::get_value_at_index(int p_index) const {
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int index = 0;
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2022-05-08 16:09:19 +08:00
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for (const KeyValue<Variant, Variant> &E : _p->variant_map) {
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2018-05-20 04:57:44 +08:00
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if (index == p_index) {
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2022-05-08 16:09:19 +08:00
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return E.value;
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2018-05-20 04:57:44 +08:00
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}
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index++;
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}
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return Variant();
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}
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2017-03-05 23:44:50 +08:00
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Variant &Dictionary::operator[](const Variant &p_key) {
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2022-05-16 21:44:43 +08:00
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if (unlikely(_p->read_only)) {
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if (p_key.get_type() == Variant::STRING_NAME) {
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const StringName *sn = VariantInternal::get_string_name(&p_key);
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*_p->read_only = _p->variant_map[sn->operator String()];
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} else {
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*_p->read_only = _p->variant_map[p_key];
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}
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return *_p->read_only;
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2021-07-02 03:03:37 +08:00
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} else {
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2022-05-16 21:44:43 +08:00
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if (p_key.get_type() == Variant::STRING_NAME) {
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const StringName *sn = VariantInternal::get_string_name(&p_key);
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return _p->variant_map[sn->operator String()];
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} else {
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return _p->variant_map[p_key];
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}
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2021-07-02 03:03:37 +08:00
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}
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2014-02-10 09:10:30 +08:00
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}
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2017-03-05 23:44:50 +08:00
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const Variant &Dictionary::operator[](const Variant &p_key) const {
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2021-07-02 03:03:37 +08:00
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if (p_key.get_type() == Variant::STRING_NAME) {
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const StringName *sn = VariantInternal::get_string_name(&p_key);
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return _p->variant_map[sn->operator String()];
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} else {
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return _p->variant_map[p_key];
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}
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2014-02-10 09:10:30 +08:00
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}
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2020-05-14 20:29:06 +08:00
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2017-03-05 23:44:50 +08:00
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const Variant *Dictionary::getptr(const Variant &p_key) const {
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2022-05-08 16:09:19 +08:00
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HashMap<Variant, Variant, VariantHasher, VariantComparator>::ConstIterator E;
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2021-07-02 03:03:37 +08:00
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if (p_key.get_type() == Variant::STRING_NAME) {
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const StringName *sn = VariantInternal::get_string_name(&p_key);
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2022-05-08 16:09:19 +08:00
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E = ((const HashMap<Variant, Variant, VariantHasher, VariantComparator> *)&_p->variant_map)->find(sn->operator String());
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2021-07-02 03:03:37 +08:00
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} else {
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2022-05-08 16:09:19 +08:00
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E = ((const HashMap<Variant, Variant, VariantHasher, VariantComparator> *)&_p->variant_map)->find(p_key);
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2021-07-02 03:03:37 +08:00
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}
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2017-11-05 22:27:28 +08:00
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2020-05-14 22:41:43 +08:00
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if (!E) {
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2020-04-02 07:20:12 +08:00
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return nullptr;
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2020-05-14 22:41:43 +08:00
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}
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2022-05-08 16:09:19 +08:00
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return &E->value;
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2014-02-10 09:10:30 +08:00
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}
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2017-01-09 01:16:21 +08:00
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2017-03-05 23:44:50 +08:00
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Variant *Dictionary::getptr(const Variant &p_key) {
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2022-05-08 16:09:19 +08:00
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HashMap<Variant, Variant, VariantHasher, VariantComparator>::Iterator E;
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2017-11-05 22:27:28 +08:00
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2021-07-02 03:03:37 +08:00
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if (p_key.get_type() == Variant::STRING_NAME) {
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const StringName *sn = VariantInternal::get_string_name(&p_key);
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2022-05-08 16:09:19 +08:00
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E = ((HashMap<Variant, Variant, VariantHasher, VariantComparator> *)&_p->variant_map)->find(sn->operator String());
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2021-07-02 03:03:37 +08:00
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} else {
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2022-05-08 16:09:19 +08:00
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E = ((HashMap<Variant, Variant, VariantHasher, VariantComparator> *)&_p->variant_map)->find(p_key);
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2021-07-02 03:03:37 +08:00
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}
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2020-05-14 22:41:43 +08:00
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if (!E) {
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2020-04-02 07:20:12 +08:00
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return nullptr;
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2020-05-14 22:41:43 +08:00
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}
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2022-05-16 21:44:43 +08:00
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if (unlikely(_p->read_only != nullptr)) {
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*_p->read_only = E->value;
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return _p->read_only;
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} else {
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return &E->value;
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}
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2014-02-10 09:10:30 +08:00
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}
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2017-03-05 23:44:50 +08:00
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Variant Dictionary::get_valid(const Variant &p_key) const {
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2022-05-08 16:09:19 +08:00
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HashMap<Variant, Variant, VariantHasher, VariantComparator>::ConstIterator E;
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2021-07-02 03:03:37 +08:00
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if (p_key.get_type() == Variant::STRING_NAME) {
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const StringName *sn = VariantInternal::get_string_name(&p_key);
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2022-05-08 16:09:19 +08:00
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E = ((const HashMap<Variant, Variant, VariantHasher, VariantComparator> *)&_p->variant_map)->find(sn->operator String());
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2021-07-02 03:03:37 +08:00
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} else {
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2022-05-08 16:09:19 +08:00
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E = ((const HashMap<Variant, Variant, VariantHasher, VariantComparator> *)&_p->variant_map)->find(p_key);
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2021-07-02 03:03:37 +08:00
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}
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2017-11-05 22:27:28 +08:00
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2020-05-14 22:41:43 +08:00
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if (!E) {
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2014-02-10 09:10:30 +08:00
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return Variant();
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2020-05-14 22:41:43 +08:00
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}
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2022-05-08 16:09:19 +08:00
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return E->value;
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2014-02-10 09:10:30 +08:00
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}
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2018-07-30 12:04:32 +08:00
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Variant Dictionary::get(const Variant &p_key, const Variant &p_default) const {
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const Variant *result = getptr(p_key);
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if (!result) {
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return p_default;
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}
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return *result;
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}
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2014-02-10 09:10:30 +08:00
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int Dictionary::size() const {
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return _p->variant_map.size();
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}
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2020-05-14 20:29:06 +08:00
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2020-12-15 20:04:21 +08:00
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bool Dictionary::is_empty() const {
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2014-02-10 09:10:30 +08:00
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return !_p->variant_map.size();
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}
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2017-03-05 23:44:50 +08:00
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bool Dictionary::has(const Variant &p_key) const {
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2021-07-02 03:03:37 +08:00
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if (p_key.get_type() == Variant::STRING_NAME) {
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const StringName *sn = VariantInternal::get_string_name(&p_key);
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return _p->variant_map.has(sn->operator String());
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} else {
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return _p->variant_map.has(p_key);
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}
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2014-02-10 09:10:30 +08:00
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}
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2016-04-05 00:37:43 +08:00
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2017-03-05 23:44:50 +08:00
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bool Dictionary::has_all(const Array &p_keys) const {
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for (int i = 0; i < p_keys.size(); i++) {
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if (!has(p_keys[i])) {
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2016-04-05 00:37:43 +08:00
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return false;
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}
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}
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return true;
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}
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2018-08-15 01:19:05 +08:00
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bool Dictionary::erase(const Variant &p_key) {
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2022-05-16 21:44:43 +08:00
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ERR_FAIL_COND_V_MSG(_p->read_only, false, "Dictionary is in read-only state.");
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2021-07-02 03:03:37 +08:00
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if (p_key.get_type() == Variant::STRING_NAME) {
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const StringName *sn = VariantInternal::get_string_name(&p_key);
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return _p->variant_map.erase(sn->operator String());
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} else {
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return _p->variant_map.erase(p_key);
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}
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2018-07-19 05:07:31 +08:00
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}
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2017-03-05 23:44:50 +08:00
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bool Dictionary::operator==(const Dictionary &p_dictionary) const {
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2020-02-01 14:04:14 +08:00
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return recursive_equal(p_dictionary, 0);
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2014-02-10 09:10:30 +08:00
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}
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2018-10-07 04:20:41 +08:00
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bool Dictionary::operator!=(const Dictionary &p_dictionary) const {
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2020-02-01 14:04:14 +08:00
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return !recursive_equal(p_dictionary, 0);
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}
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bool Dictionary::recursive_equal(const Dictionary &p_dictionary, int recursion_count) const {
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// Cheap checks
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if (_p == p_dictionary._p) {
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return true;
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}
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if (_p->variant_map.size() != p_dictionary._p->variant_map.size()) {
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return false;
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}
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// Heavy O(n) check
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if (recursion_count > MAX_RECURSION) {
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ERR_PRINT("Max recursion reached");
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return true;
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}
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recursion_count++;
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2022-05-08 16:09:19 +08:00
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for (const KeyValue<Variant, Variant> &this_E : _p->variant_map) {
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HashMap<Variant, Variant, VariantHasher, VariantComparator>::ConstIterator other_E = ((const HashMap<Variant, Variant, VariantHasher, VariantComparator> *)&p_dictionary._p->variant_map)->find(this_E.key);
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if (!other_E || !this_E.value.hash_compare(other_E->value, recursion_count)) {
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2020-02-01 14:04:14 +08:00
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return false;
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}
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}
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return true;
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2018-10-07 04:20:41 +08:00
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}
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2017-03-05 23:44:50 +08:00
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void Dictionary::_ref(const Dictionary &p_from) const {
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2022-05-16 21:44:43 +08:00
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if (unlikely(p_from._p->read_only != nullptr)) {
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// If p_from is a read-only dictionary, just copy the contents to avoid further modification.
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if (_p) {
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_unref();
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}
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_p = memnew(DictionaryPrivate);
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_p->refcount.init();
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_p->variant_map = p_from._p->variant_map;
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return;
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}
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2014-02-10 09:10:30 +08:00
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//make a copy first (thread safe)
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2020-05-14 22:41:43 +08:00
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if (!p_from._p->refcount.ref()) {
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2014-02-10 09:10:30 +08:00
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return; // couldn't copy
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2020-05-14 22:41:43 +08:00
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}
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2014-02-10 09:10:30 +08:00
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//if this is the same, unreference the other one
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2017-03-05 23:44:50 +08:00
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if (p_from._p == _p) {
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2014-02-10 09:10:30 +08:00
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_p->refcount.unref();
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return;
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}
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2020-05-14 22:41:43 +08:00
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if (_p) {
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2014-02-10 09:10:30 +08:00
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_unref();
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2020-05-14 22:41:43 +08:00
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}
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2017-03-05 23:44:50 +08:00
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_p = p_from._p;
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2014-02-10 09:10:30 +08:00
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}
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void Dictionary::clear() {
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2022-05-16 21:44:43 +08:00
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ERR_FAIL_COND_MSG(_p->read_only, "Dictionary is in read-only state.");
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2014-02-10 09:10:30 +08:00
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_p->variant_map.clear();
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}
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2022-04-05 00:46:55 +08:00
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void Dictionary::merge(const Dictionary &p_dictionary, bool p_overwrite) {
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|
|
for (const KeyValue<Variant, Variant> &E : p_dictionary._p->variant_map) {
|
|
|
|
if (p_overwrite || !has(E.key)) {
|
|
|
|
this->operator[](E.key) = E.value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-02-10 09:10:30 +08:00
|
|
|
void Dictionary::_unref() const {
|
|
|
|
ERR_FAIL_COND(!_p);
|
|
|
|
if (_p->refcount.unref()) {
|
2022-05-16 21:44:43 +08:00
|
|
|
if (_p->read_only) {
|
|
|
|
memdelete(_p->read_only);
|
|
|
|
}
|
2014-02-10 09:10:30 +08:00
|
|
|
memdelete(_p);
|
|
|
|
}
|
2020-04-02 07:20:12 +08:00
|
|
|
_p = nullptr;
|
2014-02-10 09:10:30 +08:00
|
|
|
}
|
2020-05-14 20:29:06 +08:00
|
|
|
|
2014-02-10 09:10:30 +08:00
|
|
|
uint32_t Dictionary::hash() const {
|
2020-02-01 14:04:14 +08:00
|
|
|
return recursive_hash(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t Dictionary::recursive_hash(int recursion_count) const {
|
|
|
|
if (recursion_count > MAX_RECURSION) {
|
|
|
|
ERR_PRINT("Max recursion reached");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2022-06-18 22:20:55 +08:00
|
|
|
uint32_t h = hash_murmur3_one_32(Variant::DICTIONARY);
|
2015-12-14 02:20:58 +08:00
|
|
|
|
2020-02-01 14:04:14 +08:00
|
|
|
recursion_count++;
|
2022-05-08 16:09:19 +08:00
|
|
|
for (const KeyValue<Variant, Variant> &E : _p->variant_map) {
|
2022-06-18 22:20:55 +08:00
|
|
|
h = hash_murmur3_one_32(E.key.recursive_hash(recursion_count), h);
|
|
|
|
h = hash_murmur3_one_32(E.value.recursive_hash(recursion_count), h);
|
2015-12-14 02:20:58 +08:00
|
|
|
}
|
|
|
|
|
2022-06-18 22:20:55 +08:00
|
|
|
return hash_fmix32(h);
|
2014-02-10 09:10:30 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
Array Dictionary::keys() const {
|
2017-07-23 23:23:18 +08:00
|
|
|
Array varr;
|
2020-12-15 20:04:21 +08:00
|
|
|
if (_p->variant_map.is_empty()) {
|
2017-07-23 23:23:18 +08:00
|
|
|
return varr;
|
2020-05-14 22:41:43 +08:00
|
|
|
}
|
2017-07-23 23:23:18 +08:00
|
|
|
|
2019-10-11 00:12:20 +08:00
|
|
|
varr.resize(size());
|
|
|
|
|
2017-11-05 22:27:28 +08:00
|
|
|
int i = 0;
|
2022-05-08 16:09:19 +08:00
|
|
|
for (const KeyValue<Variant, Variant> &E : _p->variant_map) {
|
|
|
|
varr[i] = E.key;
|
2017-11-05 22:27:28 +08:00
|
|
|
i++;
|
2017-07-23 23:23:18 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
return varr;
|
2014-02-10 09:10:30 +08:00
|
|
|
}
|
|
|
|
|
2016-06-05 20:20:52 +08:00
|
|
|
Array Dictionary::values() const {
|
|
|
|
Array varr;
|
2020-12-15 20:04:21 +08:00
|
|
|
if (_p->variant_map.is_empty()) {
|
2017-01-09 01:16:21 +08:00
|
|
|
return varr;
|
2020-05-14 22:41:43 +08:00
|
|
|
}
|
2017-01-09 01:16:21 +08:00
|
|
|
|
2019-10-11 00:12:20 +08:00
|
|
|
varr.resize(size());
|
|
|
|
|
2017-11-05 22:27:28 +08:00
|
|
|
int i = 0;
|
2022-05-08 16:09:19 +08:00
|
|
|
for (const KeyValue<Variant, Variant> &E : _p->variant_map) {
|
|
|
|
varr[i] = E.value;
|
2017-11-05 22:27:28 +08:00
|
|
|
i++;
|
2016-06-05 20:20:52 +08:00
|
|
|
}
|
2017-01-09 01:16:21 +08:00
|
|
|
|
2016-06-05 20:20:52 +08:00
|
|
|
return varr;
|
|
|
|
}
|
|
|
|
|
2017-03-05 23:44:50 +08:00
|
|
|
const Variant *Dictionary::next(const Variant *p_key) const {
|
2020-04-02 07:20:12 +08:00
|
|
|
if (p_key == nullptr) {
|
2017-11-05 22:27:28 +08:00
|
|
|
// caller wants to get the first element
|
2022-05-08 16:09:19 +08:00
|
|
|
if (_p->variant_map.begin()) {
|
|
|
|
return &_p->variant_map.begin()->key;
|
2020-05-14 22:41:43 +08:00
|
|
|
}
|
2020-04-02 07:20:12 +08:00
|
|
|
return nullptr;
|
2017-11-05 22:27:28 +08:00
|
|
|
}
|
2022-05-08 16:09:19 +08:00
|
|
|
HashMap<Variant, Variant, VariantHasher, VariantComparator>::Iterator E = _p->variant_map.find(*p_key);
|
2017-11-05 22:27:28 +08:00
|
|
|
|
2022-05-08 16:09:19 +08:00
|
|
|
if (!E) {
|
|
|
|
return nullptr;
|
|
|
|
}
|
|
|
|
|
|
|
|
++E;
|
|
|
|
|
|
|
|
if (E) {
|
|
|
|
return &E->key;
|
2020-05-14 22:41:43 +08:00
|
|
|
}
|
2022-05-08 16:09:19 +08:00
|
|
|
|
2020-04-02 07:20:12 +08:00
|
|
|
return nullptr;
|
2014-02-10 09:10:30 +08:00
|
|
|
}
|
|
|
|
|
2018-03-10 03:16:08 +08:00
|
|
|
Dictionary Dictionary::duplicate(bool p_deep) const {
|
2020-02-01 14:04:14 +08:00
|
|
|
return recursive_duplicate(p_deep, 0);
|
|
|
|
}
|
|
|
|
|
2022-05-16 21:44:43 +08:00
|
|
|
void Dictionary::set_read_only(bool p_enable) {
|
|
|
|
if (p_enable == bool(_p->read_only != nullptr)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (p_enable) {
|
|
|
|
_p->read_only = memnew(Variant);
|
|
|
|
} else {
|
|
|
|
memdelete(_p->read_only);
|
|
|
|
_p->read_only = nullptr;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
bool Dictionary::is_read_only() const {
|
|
|
|
return _p->read_only != nullptr;
|
|
|
|
}
|
|
|
|
|
2020-02-01 14:04:14 +08:00
|
|
|
Dictionary Dictionary::recursive_duplicate(bool p_deep, int recursion_count) const {
|
2017-01-11 19:53:31 +08:00
|
|
|
Dictionary n;
|
2016-08-03 06:11:05 +08:00
|
|
|
|
2020-02-01 14:04:14 +08:00
|
|
|
if (recursion_count > MAX_RECURSION) {
|
|
|
|
ERR_PRINT("Max recursion reached");
|
|
|
|
return n;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (p_deep) {
|
|
|
|
recursion_count++;
|
2022-05-08 16:09:19 +08:00
|
|
|
for (const KeyValue<Variant, Variant> &E : _p->variant_map) {
|
|
|
|
n[E.key.recursive_duplicate(true, recursion_count)] = E.value.recursive_duplicate(true, recursion_count);
|
2020-02-01 14:04:14 +08:00
|
|
|
}
|
|
|
|
} else {
|
2022-05-08 16:09:19 +08:00
|
|
|
for (const KeyValue<Variant, Variant> &E : _p->variant_map) {
|
|
|
|
n[E.key] = E.value;
|
2020-02-01 14:04:14 +08:00
|
|
|
}
|
2016-08-03 06:11:05 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
return n;
|
|
|
|
}
|
|
|
|
|
2017-03-05 23:44:50 +08:00
|
|
|
void Dictionary::operator=(const Dictionary &p_dictionary) {
|
2022-05-16 21:44:43 +08:00
|
|
|
if (this == &p_dictionary) {
|
|
|
|
return;
|
|
|
|
}
|
2014-02-10 09:10:30 +08:00
|
|
|
_ref(p_dictionary);
|
|
|
|
}
|
|
|
|
|
2019-04-20 07:57:29 +08:00
|
|
|
const void *Dictionary::id() const {
|
2021-12-30 13:14:09 +08:00
|
|
|
return _p;
|
2019-04-20 07:57:29 +08:00
|
|
|
}
|
|
|
|
|
2017-03-05 23:44:50 +08:00
|
|
|
Dictionary::Dictionary(const Dictionary &p_from) {
|
2020-04-02 07:20:12 +08:00
|
|
|
_p = nullptr;
|
2014-02-10 09:10:30 +08:00
|
|
|
_ref(p_from);
|
|
|
|
}
|
|
|
|
|
2017-01-11 19:53:31 +08:00
|
|
|
Dictionary::Dictionary() {
|
2017-03-05 23:44:50 +08:00
|
|
|
_p = memnew(DictionaryPrivate);
|
2014-02-10 09:10:30 +08:00
|
|
|
_p->refcount.init();
|
|
|
|
}
|
2020-05-14 20:29:06 +08:00
|
|
|
|
2014-02-10 09:10:30 +08:00
|
|
|
Dictionary::~Dictionary() {
|
|
|
|
_unref();
|
|
|
|
}
|