rust-analyzer/crates/syntax/src/token_text.rs
2021-03-26 21:33:45 +03:00

77 lines
1.7 KiB
Rust

//! Yet another version of owned string, backed by a syntax tree token.
use std::{cmp::Ordering, fmt, ops};
pub struct TokenText(pub(crate) rowan::GreenToken);
impl TokenText {
pub fn as_str(&self) -> &str {
self.0.text()
}
}
impl ops::Deref for TokenText {
type Target = str;
fn deref(&self) -> &str {
self.as_str()
}
}
impl AsRef<str> for TokenText {
fn as_ref(&self) -> &str {
self.as_str()
}
}
impl From<TokenText> for String {
fn from(token_text: TokenText) -> Self {
token_text.as_str().into()
}
}
impl PartialEq<&'_ str> for TokenText {
fn eq(&self, other: &&str) -> bool {
self.as_str() == *other
}
}
impl PartialEq<TokenText> for &'_ str {
fn eq(&self, other: &TokenText) -> bool {
other == self
}
}
impl PartialEq<String> for TokenText {
fn eq(&self, other: &String) -> bool {
self.as_str() == other.as_str()
}
}
impl PartialEq<TokenText> for String {
fn eq(&self, other: &TokenText) -> bool {
other == self
}
}
impl PartialEq for TokenText {
fn eq(&self, other: &TokenText) -> bool {
self.as_str() == other.as_str()
}
}
impl Eq for TokenText {}
impl Ord for TokenText {
fn cmp(&self, other: &Self) -> Ordering {
self.as_str().cmp(other.as_str())
}
}
impl PartialOrd for TokenText {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
}
impl fmt::Display for TokenText {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Display::fmt(self.as_str(), f)
}
}
impl fmt::Debug for TokenText {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(self.as_str(), f)
}
}