97 lines
2.2 KiB
Rust
97 lines
2.2 KiB
Rust
//! Provides [Atomic]-[Mentionable] interface.
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use std::ops::Deref;
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use super::*;
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/// Generic implementation of a [Mentionable] for [Atomic]s.
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#[derive(Clone)]
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pub struct AtomicObject<A: Atomic> {
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atomic: A,
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}
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impl<A: Atomic> From<A> for AtomicObject<A> {
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fn from(value: A) -> Self {
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Self { atomic: value }
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}
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}
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impl<A: Atomic> AsRef<A> for AtomicObject<A> {
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fn as_ref(&self) -> &A {
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&self.atomic
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}
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}
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impl<A: Atomic> Deref for AtomicObject<A> {
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type Target = A;
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fn deref(&self) -> &Self::Target {
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&self.atomic
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}
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}
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impl<A: Atomic> Serializable for AtomicObject<A> {
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fn serialize(&self, serializer: &mut dyn Serializer) {
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self.atomic.serialize(serializer)
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}
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}
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impl<'a, Ctx: Context<'a>, A: Atomic> Mentionable<'a, Ctx> for AtomicObject<A> {
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type Fctr = AtomicFactory<A>;
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fn factory(&self) -> Self::Fctr {
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AtomicFactory::new()
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}
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fn topology(&self) -> Hash {
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Ctx::hash(b"")
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}
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fn points_typed(&self, _points: &mut impl TakesPoints<'a, Ctx>) {}
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}
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/// Generic implementation of a [Factory] for [Atomic]s.
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pub struct AtomicFactory<A: Atomic> {
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_pd: PhantomData<A>,
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}
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impl<A: Atomic> AtomicFactory<A> {
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fn new() -> Self {
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AtomicFactory { _pd: PhantomData }
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}
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}
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impl<A: Atomic> Clone for AtomicFactory<A> {
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fn clone(&self) -> Self {
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Self::new()
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}
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}
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impl<'a, Ctx: Context<'a>, A: Atomic> Factory<'a, Ctx> for AtomicFactory<A> {
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type Mtbl = AtomicObject<A>;
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type ParseError = A::AParseError;
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fn deserialize(&self, dectx: &mut dyn DeCtx<'a, Ctx>) -> ParseResult<'a, Ctx, Self> {
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Ok(A::o_deserialise(dectx)?.into())
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}
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fn extend(&self, mentionable: Self::Mtbl, tail: &[u8]) -> ParseResult<'a, Ctx, Self> {
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Ok(A::a_extend(mentionable.atomic, tail)?.into())
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}
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}
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/// Extension trait to provide method-like utilities associated with [AtomicObject]s.
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pub trait AtomicObjectExt: Atomic {
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/// Shorthand for getting specific [`AtomicFactory`].
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fn f() -> AtomicFactory<Self> {
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AtomicFactory::new()
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}
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/// Shorthand for getting specific [`AtomicObject`].
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fn m(self) -> AtomicObject<Self> {
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self.into()
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}
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}
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impl<A: Atomic> AtomicObjectExt for A {}
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