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// Copyright 2014 The Servo Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use crate::{Atom, StaticAtomSet};
#[cfg(feature = "serde_support")]
use serde::{Deserialize, Deserializer, Serialize, Serializer};
use std::borrow::Cow;
use std::fmt;
impl<Static: StaticAtomSet> ::precomputed_hash::PrecomputedHash for Atom<Static> {
fn precomputed_hash(&self) -> u32 {
self.get_hash()
}
}
impl<'a, Static: StaticAtomSet> From<&'a Atom<Static>> for Atom<Static> {
fn from(atom: &'a Self) -> Self {
atom.clone()
}
}
impl<Static: StaticAtomSet> PartialEq<str> for Atom<Static> {
fn eq(&self, other: &str) -> bool {
&self[..] == other
}
}
impl<Static: StaticAtomSet> PartialEq<Atom<Static>> for str {
fn eq(&self, other: &Atom<Static>) -> bool {
self == &other[..]
}
}
impl<Static: StaticAtomSet> PartialEq<String> for Atom<Static> {
fn eq(&self, other: &String) -> bool {
self[..] == other[..]
}
}
impl<'a, Static: StaticAtomSet> From<&'a str> for Atom<Static> {
#[inline]
fn from(string_to_add: &str) -> Self {
Atom::from(Cow::Borrowed(string_to_add))
}
}
impl<Static: StaticAtomSet> From<String> for Atom<Static> {
#[inline]
fn from(string_to_add: String) -> Self {
Atom::from(Cow::Owned(string_to_add))
}
}
impl<Static: StaticAtomSet> fmt::Display for Atom<Static> {
#[inline]
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
<str as fmt::Display>::fmt(self, f)
}
}
impl<Static: StaticAtomSet> AsRef<str> for Atom<Static> {
fn as_ref(&self) -> &str {
self
}
}
#[cfg(feature = "serde_support")]
impl<Static: StaticAtomSet> Serialize for Atom<Static> {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let string: &str = self.as_ref();
string.serialize(serializer)
}
}
#[cfg(feature = "serde_support")]
impl<'a, Static: StaticAtomSet> Deserialize<'a> for Atom<Static> {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'a>,
{
use serde::de;
use std::marker::PhantomData;
struct AtomVisitor<Static: StaticAtomSet>(PhantomData<Static>);
impl<'de, Static: StaticAtomSet> de::Visitor<'de> for AtomVisitor<Static> {
type Value = Atom<Static>;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
write!(formatter, "an Atom")
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: de::Error,
{
Ok(Atom::from(v))
}
fn visit_string<E>(self, v: String) -> Result<Self::Value, E>
where
E: de::Error,
{
Ok(Atom::from(v))
}
}
deserializer.deserialize_str(AtomVisitor(PhantomData))
}
}
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