217 lines
5.2 KiB
Rust
217 lines
5.2 KiB
Rust
/// The underlying OsString/OsStr implementation on Windows is a
|
|
/// wrapper around the "WTF-8" encoding; see the `wtf8` module for more.
|
|
use crate::borrow::Cow;
|
|
use crate::fmt;
|
|
use crate::mem;
|
|
use crate::rc::Rc;
|
|
use crate::sync::Arc;
|
|
use crate::sys_common::wtf8::{Wtf8, Wtf8Buf};
|
|
use crate::sys_common::{AsInner, FromInner, IntoInner};
|
|
|
|
#[derive(Clone, Hash)]
|
|
pub struct Buf {
|
|
pub inner: Wtf8Buf,
|
|
}
|
|
|
|
impl IntoInner<Wtf8Buf> for Buf {
|
|
fn into_inner(self) -> Wtf8Buf {
|
|
self.inner
|
|
}
|
|
}
|
|
|
|
impl FromInner<Wtf8Buf> for Buf {
|
|
fn from_inner(inner: Wtf8Buf) -> Self {
|
|
Buf { inner }
|
|
}
|
|
}
|
|
|
|
impl AsInner<Wtf8> for Buf {
|
|
fn as_inner(&self) -> &Wtf8 {
|
|
&self.inner
|
|
}
|
|
}
|
|
|
|
impl fmt::Debug for Buf {
|
|
fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
fmt::Debug::fmt(self.as_slice(), formatter)
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for Buf {
|
|
fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
fmt::Display::fmt(self.as_slice(), formatter)
|
|
}
|
|
}
|
|
|
|
pub struct Slice {
|
|
pub inner: Wtf8,
|
|
}
|
|
|
|
impl fmt::Debug for Slice {
|
|
fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
fmt::Debug::fmt(&self.inner, formatter)
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for Slice {
|
|
fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
fmt::Display::fmt(&self.inner, formatter)
|
|
}
|
|
}
|
|
|
|
impl Buf {
|
|
pub fn with_capacity(capacity: usize) -> Buf {
|
|
Buf { inner: Wtf8Buf::with_capacity(capacity) }
|
|
}
|
|
|
|
pub fn clear(&mut self) {
|
|
self.inner.clear()
|
|
}
|
|
|
|
pub fn capacity(&self) -> usize {
|
|
self.inner.capacity()
|
|
}
|
|
|
|
pub fn from_string(s: String) -> Buf {
|
|
Buf { inner: Wtf8Buf::from_string(s) }
|
|
}
|
|
|
|
pub fn as_slice(&self) -> &Slice {
|
|
// Safety: Slice is just a wrapper for Wtf8,
|
|
// and self.inner.as_slice() returns &Wtf8.
|
|
// Therefore, transmuting &Wtf8 to &Slice is safe.
|
|
unsafe { mem::transmute(self.inner.as_slice()) }
|
|
}
|
|
|
|
pub fn as_mut_slice(&mut self) -> &mut Slice {
|
|
// Safety: Slice is just a wrapper for Wtf8,
|
|
// and self.inner.as_mut_slice() returns &mut Wtf8.
|
|
// Therefore, transmuting &mut Wtf8 to &mut Slice is safe.
|
|
// Additionally, care should be taken to ensure the slice
|
|
// is always valid Wtf8.
|
|
unsafe { mem::transmute(self.inner.as_mut_slice()) }
|
|
}
|
|
|
|
pub fn into_string(self) -> Result<String, Buf> {
|
|
self.inner.into_string().map_err(|buf| Buf { inner: buf })
|
|
}
|
|
|
|
pub fn push_slice(&mut self, s: &Slice) {
|
|
self.inner.push_wtf8(&s.inner)
|
|
}
|
|
|
|
pub fn reserve(&mut self, additional: usize) {
|
|
self.inner.reserve(additional)
|
|
}
|
|
|
|
pub fn reserve_exact(&mut self, additional: usize) {
|
|
self.inner.reserve_exact(additional)
|
|
}
|
|
|
|
pub fn shrink_to_fit(&mut self) {
|
|
self.inner.shrink_to_fit()
|
|
}
|
|
|
|
#[inline]
|
|
pub fn shrink_to(&mut self, min_capacity: usize) {
|
|
self.inner.shrink_to(min_capacity)
|
|
}
|
|
|
|
#[inline]
|
|
pub fn into_box(self) -> Box<Slice> {
|
|
unsafe { mem::transmute(self.inner.into_box()) }
|
|
}
|
|
|
|
#[inline]
|
|
pub fn from_box(boxed: Box<Slice>) -> Buf {
|
|
let inner: Box<Wtf8> = unsafe { mem::transmute(boxed) };
|
|
Buf { inner: Wtf8Buf::from_box(inner) }
|
|
}
|
|
|
|
#[inline]
|
|
pub fn into_arc(&self) -> Arc<Slice> {
|
|
self.as_slice().into_arc()
|
|
}
|
|
|
|
#[inline]
|
|
pub fn into_rc(&self) -> Rc<Slice> {
|
|
self.as_slice().into_rc()
|
|
}
|
|
}
|
|
|
|
impl Slice {
|
|
#[inline]
|
|
pub fn from_str(s: &str) -> &Slice {
|
|
unsafe { mem::transmute(Wtf8::from_str(s)) }
|
|
}
|
|
|
|
pub fn to_str(&self) -> Option<&str> {
|
|
self.inner.as_str()
|
|
}
|
|
|
|
pub fn to_string_lossy(&self) -> Cow<'_, str> {
|
|
self.inner.to_string_lossy()
|
|
}
|
|
|
|
pub fn to_owned(&self) -> Buf {
|
|
let mut buf = Wtf8Buf::with_capacity(self.inner.len());
|
|
buf.push_wtf8(&self.inner);
|
|
Buf { inner: buf }
|
|
}
|
|
|
|
pub fn clone_into(&self, buf: &mut Buf) {
|
|
self.inner.clone_into(&mut buf.inner)
|
|
}
|
|
|
|
#[inline]
|
|
pub fn into_box(&self) -> Box<Slice> {
|
|
unsafe { mem::transmute(self.inner.into_box()) }
|
|
}
|
|
|
|
pub fn empty_box() -> Box<Slice> {
|
|
unsafe { mem::transmute(Wtf8::empty_box()) }
|
|
}
|
|
|
|
#[inline]
|
|
pub fn into_arc(&self) -> Arc<Slice> {
|
|
let arc = self.inner.into_arc();
|
|
unsafe { Arc::from_raw(Arc::into_raw(arc) as *const Slice) }
|
|
}
|
|
|
|
#[inline]
|
|
pub fn into_rc(&self) -> Rc<Slice> {
|
|
let rc = self.inner.into_rc();
|
|
unsafe { Rc::from_raw(Rc::into_raw(rc) as *const Slice) }
|
|
}
|
|
|
|
#[inline]
|
|
pub fn make_ascii_lowercase(&mut self) {
|
|
self.inner.make_ascii_lowercase()
|
|
}
|
|
|
|
#[inline]
|
|
pub fn make_ascii_uppercase(&mut self) {
|
|
self.inner.make_ascii_uppercase()
|
|
}
|
|
|
|
#[inline]
|
|
pub fn to_ascii_lowercase(&self) -> Buf {
|
|
Buf { inner: self.inner.to_ascii_lowercase() }
|
|
}
|
|
|
|
#[inline]
|
|
pub fn to_ascii_uppercase(&self) -> Buf {
|
|
Buf { inner: self.inner.to_ascii_uppercase() }
|
|
}
|
|
|
|
#[inline]
|
|
pub fn is_ascii(&self) -> bool {
|
|
self.inner.is_ascii()
|
|
}
|
|
|
|
#[inline]
|
|
pub fn eq_ignore_ascii_case(&self, other: &Self) -> bool {
|
|
self.inner.eq_ignore_ascii_case(&other.inner)
|
|
}
|
|
}
|