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/**************************************************************************/
/* property_list_helper.cpp */
/**************************************************************************/
/* This file is part of: */
/* REDOT ENGINE */
/* https://redotengine.org */
/**************************************************************************/
/* Copyright (c) 2024-present Redot Engine contributors */
/* (see REDOT_AUTHORS.md) */
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "property_list_helper.h"
Vector<PropertyListHelper *> PropertyListHelper::base_helpers; // static
void PropertyListHelper::clear_base_helpers() { // static
for (PropertyListHelper *helper : base_helpers) {
helper->clear();
}
base_helpers.clear();
}
void PropertyListHelper::register_base_helper(PropertyListHelper *p_helper) { // static
base_helpers.push_back(p_helper);
}
const PropertyListHelper::Property *PropertyListHelper::_get_property(const String &p_property, int *r_index) const {
const Vector<String> components = p_property.rsplit("/", true, 1);
if (components.size() < 2 || !components[0].begins_with(prefix)) {
return nullptr;
}
const String index_string = components[0].trim_prefix(prefix);
if (!index_string.is_valid_int()) {
return nullptr;
}
int index = index_string.to_int();
if (index < 0 || index >= _call_array_length_getter()) {
return nullptr;
}
*r_index = index;
return property_list.getptr(components[1]);
}
void PropertyListHelper::_call_setter(const MethodBind *p_setter, int p_index, const Variant &p_value) const {
DEV_ASSERT(p_setter);
Variant args[] = { p_index, p_value };
const Variant *argptrs[] = { &args[0], &args[1] };
Callable::CallError ce;
p_setter->call(object, argptrs, 2, ce);
}
Variant PropertyListHelper::_call_getter(const Property *p_property, int p_index) const {
if (!p_property->getter) {
return object->get(prefix + itos(p_index) + "/" + p_property->info.name);
}
Callable::CallError ce;
Variant args[] = { p_index };
const Variant *argptrs[] = { &args[0] };
return p_property->getter->call(object, argptrs, 1, ce);
}
int PropertyListHelper::_call_array_length_getter() const {
Callable::CallError ce;
return array_length_getter->call(object, nullptr, 0, ce);
}
void PropertyListHelper::set_prefix(const String &p_prefix) {
prefix = p_prefix;
}
void PropertyListHelper::register_property(const PropertyInfo &p_info, const Variant &p_default) {
Property property;
property.info = p_info;
property.default_value = p_default;
property_list[p_info.name] = property;
}
bool PropertyListHelper::is_initialized() const {
return !property_list.is_empty();
}
void PropertyListHelper::setup_for_instance(const PropertyListHelper &p_base, Object *p_object) {
DEV_ASSERT(!p_base.prefix.is_empty());
DEV_ASSERT(p_base.array_length_getter != nullptr);
DEV_ASSERT(!p_base.property_list.is_empty());
DEV_ASSERT(p_object != nullptr);
prefix = p_base.prefix;
array_length_getter = p_base.array_length_getter;
property_list = p_base.property_list;
object = p_object;
}
bool PropertyListHelper::is_property_valid(const String &p_property, int *r_index) const {
const Vector<String> components = p_property.rsplit("/", true, 1);
if (components.size() < 2 || !components[0].begins_with(prefix)) {
return false;
}
{
const String index_string = components[0].trim_prefix(prefix);
if (!index_string.is_valid_int()) {
return false;
}
if (r_index) {
*r_index = index_string.to_int();
}
}
return property_list.has(components[1]);
}
void PropertyListHelper::get_property_list(List<PropertyInfo> *p_list) const {
const int property_count = _call_array_length_getter();
for (int i = 0; i < property_count; i++) {
for (const KeyValue<String, Property> &E : property_list) {
const Property &property = E.value;
PropertyInfo info = property.info;
if (!(info.usage & PROPERTY_USAGE_STORE_IF_NULL) && _call_getter(&property, i) == property.default_value) {
info.usage &= (~PROPERTY_USAGE_STORAGE);
}
info.name = vformat("%s%d/%s", prefix, i, info.name);
p_list->push_back(info);
}
}
}
bool PropertyListHelper::property_get_value(const String &p_property, Variant &r_ret) const {
int index;
const Property *property = _get_property(p_property, &index);
if (property) {
r_ret = _call_getter(property, index);
return true;
}
return false;
}
bool PropertyListHelper::property_set_value(const String &p_property, const Variant &p_value) const {
int index;
const Property *property = _get_property(p_property, &index);
if (property) {
_call_setter(property->setter, index, p_value);
return true;
}
return false;
}
bool PropertyListHelper::property_can_revert(const String &p_property) const {
return is_property_valid(p_property);
}
bool PropertyListHelper::property_get_revert(const String &p_property, Variant &r_value) const {
int index;
const Property *property = _get_property(p_property, &index);
if (property) {
r_value = property->default_value;
return true;
}
return false;
}
void PropertyListHelper::clear() {
if (is_initialized()) {
memdelete(array_length_getter);
for (const KeyValue<String, Property> &E : property_list) {
if (E.value.setter) {
memdelete(E.value.setter);
memdelete(E.value.getter);
}
}
property_list.clear();
}
}
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