2f69e36cef
Same as erase, but it returns a boolean value indicating whether the pair was erased or not. This method should be removed during the next compatibility breakage, and 'Dictionary::erase(key)' should be changed to return a boolean.
278 lines
7.2 KiB
C++
278 lines
7.2 KiB
C++
/*************************************************************************/
|
|
/* dictionary.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#include "dictionary.h"
|
|
|
|
#include "ordered_hash_map.h"
|
|
#include "safe_refcount.h"
|
|
#include "variant.h"
|
|
|
|
struct DictionaryPrivate {
|
|
|
|
SafeRefCount refcount;
|
|
OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator> variant_map;
|
|
};
|
|
|
|
void Dictionary::get_key_list(List<Variant> *p_keys) const {
|
|
|
|
if (_p->variant_map.empty())
|
|
return;
|
|
|
|
for (OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.front(); E; E = E.next()) {
|
|
p_keys->push_back(E.key());
|
|
}
|
|
}
|
|
|
|
Variant Dictionary::get_key_at_index(int p_index) const {
|
|
|
|
int index = 0;
|
|
for (OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.front(); E; E = E.next()) {
|
|
if (index == p_index) {
|
|
return E.key();
|
|
}
|
|
index++;
|
|
}
|
|
|
|
return Variant();
|
|
}
|
|
|
|
Variant Dictionary::get_value_at_index(int p_index) const {
|
|
|
|
int index = 0;
|
|
for (OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.front(); E; E = E.next()) {
|
|
if (index == p_index) {
|
|
return E.value();
|
|
}
|
|
index++;
|
|
}
|
|
|
|
return Variant();
|
|
}
|
|
|
|
Variant &Dictionary::operator[](const Variant &p_key) {
|
|
|
|
return _p->variant_map[p_key];
|
|
}
|
|
|
|
const Variant &Dictionary::operator[](const Variant &p_key) const {
|
|
|
|
return _p->variant_map[p_key];
|
|
}
|
|
const Variant *Dictionary::getptr(const Variant &p_key) const {
|
|
|
|
OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::ConstElement E = ((const OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator> *)&_p->variant_map)->find(p_key);
|
|
|
|
if (!E)
|
|
return NULL;
|
|
return &E.get();
|
|
}
|
|
|
|
Variant *Dictionary::getptr(const Variant &p_key) {
|
|
|
|
OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.find(p_key);
|
|
|
|
if (!E)
|
|
return NULL;
|
|
return &E.get();
|
|
}
|
|
|
|
Variant Dictionary::get_valid(const Variant &p_key) const {
|
|
|
|
OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::ConstElement E = ((const OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator> *)&_p->variant_map)->find(p_key);
|
|
|
|
if (!E)
|
|
return Variant();
|
|
return E.get();
|
|
}
|
|
|
|
int Dictionary::size() const {
|
|
|
|
return _p->variant_map.size();
|
|
}
|
|
bool Dictionary::empty() const {
|
|
|
|
return !_p->variant_map.size();
|
|
}
|
|
|
|
bool Dictionary::has(const Variant &p_key) const {
|
|
|
|
return _p->variant_map.has(p_key);
|
|
}
|
|
|
|
bool Dictionary::has_all(const Array &p_keys) const {
|
|
for (int i = 0; i < p_keys.size(); i++) {
|
|
if (!has(p_keys[i])) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void Dictionary::erase(const Variant &p_key) {
|
|
|
|
_p->variant_map.erase(p_key);
|
|
}
|
|
|
|
bool Dictionary::erase_checked(const Variant &p_key) {
|
|
|
|
return _p->variant_map.erase(p_key);
|
|
}
|
|
|
|
bool Dictionary::operator==(const Dictionary &p_dictionary) const {
|
|
|
|
return _p == p_dictionary._p;
|
|
}
|
|
|
|
void Dictionary::_ref(const Dictionary &p_from) const {
|
|
|
|
//make a copy first (thread safe)
|
|
if (!p_from._p->refcount.ref())
|
|
return; // couldn't copy
|
|
|
|
//if this is the same, unreference the other one
|
|
if (p_from._p == _p) {
|
|
_p->refcount.unref();
|
|
return;
|
|
}
|
|
if (_p)
|
|
_unref();
|
|
_p = p_from._p;
|
|
}
|
|
|
|
void Dictionary::clear() {
|
|
|
|
_p->variant_map.clear();
|
|
}
|
|
|
|
void Dictionary::_unref() const {
|
|
|
|
ERR_FAIL_COND(!_p);
|
|
if (_p->refcount.unref()) {
|
|
memdelete(_p);
|
|
}
|
|
_p = NULL;
|
|
}
|
|
uint32_t Dictionary::hash() const {
|
|
|
|
uint32_t h = hash_djb2_one_32(Variant::DICTIONARY);
|
|
|
|
List<Variant> keys;
|
|
get_key_list(&keys);
|
|
|
|
for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
|
|
|
|
h = hash_djb2_one_32(E->get().hash(), h);
|
|
h = hash_djb2_one_32(operator[](E->get()).hash(), h);
|
|
}
|
|
|
|
return h;
|
|
}
|
|
|
|
Array Dictionary::keys() const {
|
|
|
|
Array varr;
|
|
varr.resize(size());
|
|
if (_p->variant_map.empty())
|
|
return varr;
|
|
|
|
int i = 0;
|
|
for (OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.front(); E; E = E.next()) {
|
|
varr[i] = E.key();
|
|
i++;
|
|
}
|
|
|
|
return varr;
|
|
}
|
|
|
|
Array Dictionary::values() const {
|
|
|
|
Array varr;
|
|
varr.resize(size());
|
|
if (_p->variant_map.empty())
|
|
return varr;
|
|
|
|
int i = 0;
|
|
for (OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.front(); E; E = E.next()) {
|
|
varr[i] = E.get();
|
|
i++;
|
|
}
|
|
|
|
return varr;
|
|
}
|
|
|
|
const Variant *Dictionary::next(const Variant *p_key) const {
|
|
|
|
if (p_key == NULL) {
|
|
// caller wants to get the first element
|
|
if (_p->variant_map.front())
|
|
return &_p->variant_map.front().key();
|
|
return NULL;
|
|
}
|
|
OrderedHashMap<Variant, Variant, VariantHasher, VariantComparator>::Element E = _p->variant_map.find(*p_key);
|
|
|
|
if (E && E.next())
|
|
return &E.next().key();
|
|
return NULL;
|
|
}
|
|
|
|
Dictionary Dictionary::duplicate(bool p_deep) const {
|
|
|
|
Dictionary n;
|
|
|
|
List<Variant> keys;
|
|
get_key_list(&keys);
|
|
|
|
for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
|
|
n[E->get()] = p_deep ? operator[](E->get()).duplicate(p_deep) : operator[](E->get());
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
void Dictionary::operator=(const Dictionary &p_dictionary) {
|
|
|
|
_ref(p_dictionary);
|
|
}
|
|
|
|
Dictionary::Dictionary(const Dictionary &p_from) {
|
|
_p = NULL;
|
|
_ref(p_from);
|
|
}
|
|
|
|
Dictionary::Dictionary() {
|
|
|
|
_p = memnew(DictionaryPrivate);
|
|
_p->refcount.init();
|
|
}
|
|
Dictionary::~Dictionary() {
|
|
|
|
_unref();
|
|
}
|