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smallvec.rs
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smallvec.rs
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use smallvec::SmallVec;
use std::any::Any;
use crate::utility::GenericTypeInfoCell;
use crate::{
Array, ArrayIter, FromReflect, FromType, GetTypeRegistration, List, ListInfo, Reflect,
ReflectFromPtr, ReflectMut, ReflectRef, TypeInfo, TypeRegistration, Typed,
};
impl<T: smallvec::Array + Send + Sync + 'static> Array for SmallVec<T>
where
T::Item: FromReflect + Clone,
{
fn get(&self, index: usize) -> Option<&dyn Reflect> {
if index < SmallVec::len(self) {
Some(&self[index] as &dyn Reflect)
} else {
None
}
}
fn get_mut(&mut self, index: usize) -> Option<&mut dyn Reflect> {
if index < SmallVec::len(self) {
Some(&mut self[index] as &mut dyn Reflect)
} else {
None
}
}
fn len(&self) -> usize {
<SmallVec<T>>::len(self)
}
fn iter(&self) -> ArrayIter {
ArrayIter {
array: self,
index: 0,
}
}
}
impl<T: smallvec::Array + Send + Sync + 'static> List for SmallVec<T>
where
T::Item: FromReflect + Clone,
{
fn push(&mut self, value: Box<dyn Reflect>) {
let value = value.take::<T::Item>().unwrap_or_else(|value| {
<T as smallvec::Array>::Item::from_reflect(&*value).unwrap_or_else(|| {
panic!(
"Attempted to push invalid value of type {}.",
value.type_name()
)
})
});
SmallVec::push(self, value);
}
}
impl<T: smallvec::Array + Send + Sync + 'static> Reflect for SmallVec<T>
where
T::Item: FromReflect + Clone,
{
fn type_name(&self) -> &str {
std::any::type_name::<Self>()
}
fn get_type_info(&self) -> &'static TypeInfo {
<Self as Typed>::type_info()
}
fn into_any(self: Box<Self>) -> Box<dyn Any> {
self
}
fn as_any(&self) -> &dyn Any {
self
}
fn as_any_mut(&mut self) -> &mut dyn Any {
self
}
fn as_reflect(&self) -> &dyn Reflect {
self
}
fn as_reflect_mut(&mut self) -> &mut dyn Reflect {
self
}
fn apply(&mut self, value: &dyn Reflect) {
crate::list_apply(self, value);
}
fn set(&mut self, value: Box<dyn Reflect>) -> Result<(), Box<dyn Reflect>> {
*self = value.take()?;
Ok(())
}
fn reflect_ref(&self) -> ReflectRef {
ReflectRef::List(self)
}
fn reflect_mut(&mut self) -> ReflectMut {
ReflectMut::List(self)
}
fn clone_value(&self) -> Box<dyn Reflect> {
Box::new(List::clone_dynamic(self))
}
fn reflect_partial_eq(&self, value: &dyn Reflect) -> Option<bool> {
crate::list_partial_eq(self, value)
}
}
impl<T: smallvec::Array + Send + Sync + 'static> Typed for SmallVec<T>
where
T::Item: FromReflect + Clone,
{
fn type_info() -> &'static TypeInfo {
static CELL: GenericTypeInfoCell = GenericTypeInfoCell::new();
CELL.get_or_insert::<Self, _>(|| TypeInfo::List(ListInfo::new::<Self, T::Item>()))
}
}
impl<T: smallvec::Array + Send + Sync + 'static> FromReflect for SmallVec<T>
where
T::Item: FromReflect + Clone,
{
fn from_reflect(reflect: &dyn Reflect) -> Option<Self> {
if let ReflectRef::List(ref_list) = reflect.reflect_ref() {
let mut new_list = Self::with_capacity(ref_list.len());
for field in ref_list.iter() {
new_list.push(<T as smallvec::Array>::Item::from_reflect(field)?);
}
Some(new_list)
} else {
None
}
}
}
impl<T: smallvec::Array + Send + Sync + 'static> GetTypeRegistration for SmallVec<T>
where
T::Item: FromReflect + Clone,
{
fn get_type_registration() -> TypeRegistration {
let mut registration = TypeRegistration::of::<SmallVec<T>>();
registration.insert::<ReflectFromPtr>(FromType::<SmallVec<T>>::from_type());
registration
}
}