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use std::{fs, io, path::PathBuf};
#[derive(Clone, Debug)]
/// Wrapper around [`std::fs::OptionOptions`](https://doc.rust-lang.org/std/fs/struct.OpenOptions.html)
pub struct OpenOptions(fs::OpenOptions);
impl OpenOptions {
/// Wrapper for [`std::fs::OpenOptions::new`](https://doc.rust-lang.org/std/fs/struct.OpenOptions.html#method.new)
pub fn new() -> Self {
OpenOptions(fs::OpenOptions::new())
}
/// Wrapper for [`std::fs::OpenOptions::read`](https://doc.rust-lang.org/std/fs/struct.OpenOptions.html#method.read)
pub fn read(&mut self, read: bool) -> &mut Self {
self.0.read(read);
self
}
/// Wrapper for [`std::fs::OpenOptions::write`](https://doc.rust-lang.org/std/fs/struct.OpenOptions.html#method.write)
pub fn write(&mut self, write: bool) -> &mut Self {
self.0.write(write);
self
}
/// Wrapper for [`std::fs::OpenOptions::append`](https://doc.rust-lang.org/std/fs/struct.OpenOptions.html#method.append)
pub fn append(&mut self, append: bool) -> &mut Self {
self.0.append(append);
self
}
/// Wrapper for [`std::fs::OpenOptions::truncate`](https://doc.rust-lang.org/std/fs/struct.OpenOptions.html#method.truncate)
pub fn truncate(&mut self, truncate: bool) -> &mut Self {
self.0.truncate(truncate);
self
}
/// Wrapper for [`std::fs::OpenOptions::create`](https://doc.rust-lang.org/std/fs/struct.OpenOptions.html#method.create)
pub fn create(&mut self, create: bool) -> &mut Self {
self.0.create(create);
self
}
/// Wrapper for [`std::fs::OpenOptions::create_new`](https://doc.rust-lang.org/std/fs/struct.OpenOptions.html#method.create_new)
pub fn create_new(&mut self, create_new: bool) -> &mut Self {
self.0.create_new(create_new);
self
}
/// Wrapper for [`std::fs::OpenOptions::open`](https://doc.rust-lang.org/std/fs/struct.OpenOptions.html#method.open)
pub fn open<P>(&self, path: P) -> io::Result<crate::File>
where
P: Into<PathBuf>,
{
// We have to either duplicate the logic or call the deprecated method here.
// We can't let the deprecated function call this method, because we can't construct
// `&fs_err::OpenOptions` from `&fs::OpenOptions` without cloning
// (although cloning would probably be cheap).
#[allow(deprecated)]
crate::File::from_options(path.into(), self.options())
}
}
/// Methods added by fs-err that are not available on
/// [`std::fs::OpenOptions`](https://doc.rust-lang.org/stable/std/fs/struct.OpenOptions.html).
impl OpenOptions {
/// Constructs `Self` from [`std::fs::OpenOptions`](https://doc.rust-lang.org/stable/std/fs/struct.OpenOptions.html)
pub fn from_options(options: fs::OpenOptions) -> Self {
Self(options)
}
/// Returns a reference to the underlying [`std::fs::OpenOptions`](https://doc.rust-lang.org/stable/std/fs/struct.OpenOptions.html).
///
/// Note that calling `open()` on this reference will NOT give you the improved errors from fs-err.
pub fn options(&self) -> &fs::OpenOptions {
&self.0
}
/// Returns a mutable reference to the underlying [`std::fs::OpenOptions`](https://doc.rust-lang.org/stable/std/fs/struct.OpenOptions.html).
///
/// This allows you to change settings that don't yet have wrappers in fs-err.
/// Note that calling `open()` on this reference will NOT give you the improved errors from fs-err.
pub fn options_mut(&mut self) -> &mut fs::OpenOptions {
&mut self.0
}
}
#[cfg(unix)]
mod unix {
use crate::os::unix::fs::OpenOptionsExt;
use std::os::unix::fs::OpenOptionsExt as _;
impl OpenOptionsExt for crate::OpenOptions {
fn mode(&mut self, mode: u32) -> &mut Self {
self.options_mut().mode(mode);
self
}
fn custom_flags(&mut self, flags: i32) -> &mut Self {
self.options_mut().custom_flags(flags);
self
}
}
}
#[cfg(windows)]
mod windows {
use crate::os::windows::fs::OpenOptionsExt;
use std::os::windows::fs::OpenOptionsExt as _;
impl OpenOptionsExt for crate::OpenOptions {
fn access_mode(&mut self, access: u32) -> &mut Self {
self.options_mut().access_mode(access);
self
}
fn share_mode(&mut self, val: u32) -> &mut Self {
self.options_mut().share_mode(val);
self
}
fn custom_flags(&mut self, flags: u32) -> &mut Self {
self.options_mut().custom_flags(flags);
self
}
fn attributes(&mut self, val: u32) -> &mut Self {
self.options_mut().attributes(val);
self
}
fn security_qos_flags(&mut self, flags: u32) -> &mut Self {
self.options_mut().security_qos_flags(flags);
self
}
}
}
|
