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#![allow(deprecated)]
use serde::{Deserialize, Serialize};
use static_assertions::assert_impl_all;
use std::{borrow::Cow, str};
use crate::{Basic, EncodingFormat, Signature, Type};
#[derive(Debug, Default, PartialEq, Eq, Hash, Serialize, Deserialize, Clone)]
#[serde(rename(serialize = "zvariant::Str", deserialize = "zvariant::Str"))]
pub struct Str<'a>(#[serde(borrow)] Cow<'a, str>);
assert_impl_all!(Str<'_>: Send, Sync, Unpin);
impl<'a> Str<'a> {
pub fn as_ref(&self) -> Str<'_> {
Str(Cow::Borrowed(&self.0))
}
pub fn as_str(&self) -> &str {
&self.0
}
pub fn to_owned(&self) -> Str<'static> {
self.clone().into_owned()
}
pub fn into_owned(self) -> Str<'static> {
Str(Cow::Owned(String::from(self.as_str())))
}
}
impl<'a> Basic for Str<'a> {
const SIGNATURE_CHAR: char = <&str>::SIGNATURE_CHAR;
const SIGNATURE_STR: &'static str = <&str>::SIGNATURE_STR;
const ALIGNMENT: usize = <&str>::ALIGNMENT;
fn alignment(format: EncodingFormat) -> usize {
<&str>::alignment(format)
}
}
impl<'a> Type for Str<'a> {
fn signature() -> Signature<'static> {
Signature::from_static_str_unchecked(Self::SIGNATURE_STR)
}
}
impl<'a> From<&'a str> for Str<'a> {
fn from(value: &'a str) -> Self {
Self(Cow::from(value))
}
}
impl<'a> From<&'a String> for Str<'a> {
fn from(value: &'a String) -> Self {
Self(Cow::from(value.as_str()))
}
}
impl<'a> From<String> for Str<'a> {
fn from(value: String) -> Self {
Self(Cow::from(value))
}
}
impl<'a> From<Str<'a>> for String {
fn from(value: Str<'a>) -> String {
value.0.into_owned()
}
}
impl<'a> From<&'a Str<'a>> for &'a str {
fn from(value: &'a Str<'a>) -> &'a str {
value.as_str()
}
}
impl<'a> std::ops::Deref for Str<'a> {
type Target = str;
fn deref(&self) -> &Self::Target {
self.as_str()
}
}
impl<'a> PartialEq<str> for Str<'a> {
fn eq(&self, other: &str) -> bool {
self.as_str() == other
}
}
impl<'a> PartialEq<&str> for Str<'a> {
fn eq(&self, other: &&str) -> bool {
self.as_str() == *other
}
}
impl<'a> std::fmt::Display for Str<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
self.0.fmt(f)
}
}
#[cfg(test)]
mod tests {
use super::Str;
#[test]
fn from_string() {
let string = String::from("value");
let v = Str::from(&string);
assert_eq!(v.as_str(), "value");
}
}