mirror of
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refactor: implement RoCell to replace OnceCell (#63)
This commit is contained in:
三咲雅 · Misaki Masa
GitHub
parent
8fd3d15918
commit
08a0735dde
117
Cargo.lock
generated
117
Cargo.lock
generated
@ -11,7 +11,6 @@ dependencies = [
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"color_quant",
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"config",
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@ -35,9 +34,9 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
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@ -109,9 +108,9 @@ dependencies = [
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@ -119,9 +118,9 @@ dependencies = [
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@ -349,7 +349,6 @@ dependencies = [
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@ -372,7 +371,6 @@ dependencies = [
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@ -596,9 +594,9 @@ dependencies = [
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@ -12,7 +12,6 @@ anyhow = "^1"
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|
||||
|
||||
@ -2,24 +2,22 @@ use std::{path::{Path, PathBuf}, sync::atomic::{AtomicBool, Ordering}};
|
||||
|
||||
use anyhow::Result;
|
||||
use config::{preview::PreviewAdaptor, BOOT, PREVIEW};
|
||||
use once_cell::sync::Lazy;
|
||||
use ratatui::prelude::Rect;
|
||||
use shared::RoCell;
|
||||
use tokio::{fs, sync::mpsc::UnboundedSender};
|
||||
|
||||
use super::{Iterm2, Kitty, Ueberzug};
|
||||
use super::{Iterm2, Kitty};
|
||||
use crate::Sixel;
|
||||
|
||||
static IMAGE_SHOWN: AtomicBool = AtomicBool::new(false);
|
||||
|
||||
#[allow(clippy::type_complexity)]
|
||||
static UEBERZUG: Lazy<Option<UnboundedSender<Option<(PathBuf, Rect)>>>> =
|
||||
Lazy::new(|| if PREVIEW.adaptor.needs_ueberzug() { Ueberzug::start().ok() } else { None });
|
||||
pub(super) static UEBERZUG: RoCell<Option<UnboundedSender<Option<(PathBuf, Rect)>>>> =
|
||||
RoCell::new();
|
||||
|
||||
pub struct Adaptor;
|
||||
|
||||
impl Adaptor {
|
||||
pub fn init() { Lazy::force(&UEBERZUG); }
|
||||
|
||||
pub async fn image_show(mut path: &Path, rect: Rect) -> Result<()> {
|
||||
if IMAGE_SHOWN.swap(true, Ordering::Relaxed) {
|
||||
Self::image_hide(rect).ok();
|
||||
|
||||
@ -13,3 +13,11 @@ use sixel::*;
|
||||
use ueberzug::*;
|
||||
|
||||
pub use crate::{adaptor::*, image::*};
|
||||
|
||||
pub fn init() {
|
||||
UEBERZUG.init(if config::PREVIEW.adaptor.needs_ueberzug() {
|
||||
Ueberzug::start().ok()
|
||||
} else {
|
||||
None
|
||||
});
|
||||
}
|
||||
|
||||
@ -27,7 +27,9 @@ async fn main() -> anyhow::Result<()> {
|
||||
|
||||
config::init();
|
||||
|
||||
adaptor::Adaptor::init();
|
||||
core::init();
|
||||
|
||||
adaptor::init();
|
||||
|
||||
App::run().await
|
||||
}
|
||||
|
||||
@ -14,7 +14,6 @@ futures = "^0"
|
||||
glob = "^0"
|
||||
indexmap = "^2"
|
||||
md-5 = "^0"
|
||||
once_cell = "^1"
|
||||
ratatui = "^0"
|
||||
regex = "^1"
|
||||
serde = { version = "^1", features = [ "derive" ] }
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
#![allow(clippy::module_inception)]
|
||||
|
||||
use once_cell::sync::Lazy;
|
||||
use shared::RoCell;
|
||||
|
||||
mod boot;
|
||||
pub mod keymap;
|
||||
@ -17,26 +17,30 @@ mod validation;
|
||||
pub(crate) use pattern::*;
|
||||
pub(crate) use preset::*;
|
||||
|
||||
static MERGED_KEYMAP: Lazy<String> = Lazy::new(Preset::keymap);
|
||||
static MERGED_THEME: Lazy<String> = Lazy::new(Preset::theme);
|
||||
static MERGED_YAZI: Lazy<String> = Lazy::new(Preset::yazi);
|
||||
static MERGED_KEYMAP: RoCell<String> = RoCell::new();
|
||||
static MERGED_THEME: RoCell<String> = RoCell::new();
|
||||
static MERGED_YAZI: RoCell<String> = RoCell::new();
|
||||
|
||||
pub static BOOT: Lazy<boot::Boot> = Lazy::new(Default::default);
|
||||
pub static KEYMAP: Lazy<keymap::Keymap> = Lazy::new(Default::default);
|
||||
pub static LOG: Lazy<log::Log> = Lazy::new(Default::default);
|
||||
pub static MANAGER: Lazy<manager::Manager> = Lazy::new(Default::default);
|
||||
pub static OPEN: Lazy<open::Open> = Lazy::new(Default::default);
|
||||
pub static PREVIEW: Lazy<preview::Preview> = Lazy::new(Default::default);
|
||||
pub static TASKS: Lazy<tasks::Tasks> = Lazy::new(Default::default);
|
||||
pub static THEME: Lazy<theme::Theme> = Lazy::new(Default::default);
|
||||
pub static BOOT: RoCell<boot::Boot> = RoCell::new();
|
||||
pub static KEYMAP: RoCell<keymap::Keymap> = RoCell::new();
|
||||
pub static LOG: RoCell<log::Log> = RoCell::new();
|
||||
pub static MANAGER: RoCell<manager::Manager> = RoCell::new();
|
||||
pub static OPEN: RoCell<open::Open> = RoCell::new();
|
||||
pub static PREVIEW: RoCell<preview::Preview> = RoCell::new();
|
||||
pub static TASKS: RoCell<tasks::Tasks> = RoCell::new();
|
||||
pub static THEME: RoCell<theme::Theme> = RoCell::new();
|
||||
|
||||
pub fn init() {
|
||||
Lazy::force(&BOOT);
|
||||
Lazy::force(&KEYMAP);
|
||||
Lazy::force(&LOG);
|
||||
Lazy::force(&MANAGER);
|
||||
Lazy::force(&OPEN);
|
||||
Lazy::force(&PREVIEW);
|
||||
Lazy::force(&TASKS);
|
||||
Lazy::force(&THEME);
|
||||
MERGED_KEYMAP.with(Preset::keymap);
|
||||
MERGED_THEME.with(Preset::theme);
|
||||
MERGED_YAZI.with(Preset::yazi);
|
||||
|
||||
BOOT.with(Default::default);
|
||||
KEYMAP.with(Default::default);
|
||||
LOG.with(Default::default);
|
||||
MANAGER.with(Default::default);
|
||||
OPEN.with(Default::default);
|
||||
PREVIEW.with(Default::default);
|
||||
TASKS.with(Default::default);
|
||||
THEME.with(Default::default);
|
||||
}
|
||||
|
||||
@ -15,7 +15,6 @@ crossterm = "^0"
|
||||
futures = "^0"
|
||||
indexmap = "^2"
|
||||
notify = { version = "^6", default-features = false, features = [ "macos_fsevent" ] }
|
||||
once_cell = "^1"
|
||||
parking_lot = "^0"
|
||||
ratatui = "^0"
|
||||
serde = "^1"
|
||||
|
||||
@ -1,4 +1,6 @@
|
||||
use once_cell::sync::Lazy;
|
||||
use shared::RoCell;
|
||||
use tokio::sync::Semaphore;
|
||||
|
||||
pub static BLOCKER: Lazy<Semaphore> = Lazy::new(|| Semaphore::new(1));
|
||||
pub static BLOCKER: RoCell<Semaphore> = RoCell::new();
|
||||
|
||||
pub(super) fn init_blocker() { BLOCKER.init(Semaphore::new(1)) }
|
||||
|
||||
@ -3,11 +3,12 @@ use std::{collections::BTreeMap, ffi::OsString, path::PathBuf};
|
||||
use anyhow::Result;
|
||||
use config::{keymap::{Control, KeymapLayer}, open::Opener};
|
||||
use crossterm::event::KeyEvent;
|
||||
use shared::RoCell;
|
||||
use tokio::sync::{mpsc::UnboundedSender, oneshot};
|
||||
|
||||
use super::{files::{File, FilesOp}, input::InputOpt, manager::PreviewData, select::SelectOpt};
|
||||
|
||||
static mut TX: Option<UnboundedSender<Event>> = None;
|
||||
static TX: RoCell<UnboundedSender<Event>> = RoCell::new();
|
||||
|
||||
pub enum Event {
|
||||
Quit,
|
||||
@ -38,21 +39,13 @@ pub enum Event {
|
||||
|
||||
impl Event {
|
||||
#[inline]
|
||||
pub fn init(tx: UnboundedSender<Event>) {
|
||||
unsafe {
|
||||
TX.replace(tx);
|
||||
}
|
||||
}
|
||||
pub fn init(tx: UnboundedSender<Event>) { TX.init(tx); }
|
||||
|
||||
#[inline]
|
||||
pub fn emit(self) {
|
||||
let tx = unsafe { TX.as_ref().unwrap() };
|
||||
tx.send(self).ok();
|
||||
}
|
||||
pub fn emit(self) { TX.send(self).ok(); }
|
||||
|
||||
pub async fn wait<T>(self, rx: oneshot::Receiver<T>) -> T {
|
||||
let tx = unsafe { TX.as_ref().unwrap() };
|
||||
tx.send(self).ok();
|
||||
TX.send(self).ok();
|
||||
rx.await.unwrap()
|
||||
}
|
||||
}
|
||||
|
||||
@ -22,3 +22,5 @@ pub use blocker::*;
|
||||
pub use event::*;
|
||||
pub use highlighter::*;
|
||||
pub use position::*;
|
||||
|
||||
pub fn init() { init_blocker(); }
|
||||
|
||||
@ -4,6 +4,7 @@ mod defer;
|
||||
mod fns;
|
||||
mod fs;
|
||||
mod mime;
|
||||
mod ro_cell;
|
||||
mod term;
|
||||
mod throttle;
|
||||
mod tty;
|
||||
@ -14,6 +15,7 @@ pub use defer::*;
|
||||
pub use fns::*;
|
||||
pub use fs::*;
|
||||
pub use mime::*;
|
||||
pub use ro_cell::*;
|
||||
pub use term::*;
|
||||
pub use throttle::*;
|
||||
pub use tty::*;
|
||||
|
||||
34
shared/src/ro_cell.rs
Normal file
34
shared/src/ro_cell.rs
Normal file
@ -0,0 +1,34 @@
|
||||
use std::{cell::UnsafeCell, ops::Deref};
|
||||
|
||||
// Read-only cell. It's safe to use this in a static variable, but it's not safe
|
||||
// to mutate it. This is useful for storing static data that is expensive to
|
||||
// initialize, but is immutable once.
|
||||
pub struct RoCell<T>(UnsafeCell<Option<T>>);
|
||||
|
||||
unsafe impl<T> Sync for RoCell<T> {}
|
||||
|
||||
impl<T> RoCell<T> {
|
||||
#[inline]
|
||||
pub const fn new() -> Self { Self(UnsafeCell::new(None)) }
|
||||
|
||||
#[inline]
|
||||
pub fn init(&self, value: T) {
|
||||
unsafe {
|
||||
*self.0.get() = Some(value);
|
||||
}
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub fn with<F>(&self, f: F)
|
||||
where
|
||||
F: FnOnce() -> T,
|
||||
{
|
||||
self.init(f());
|
||||
}
|
||||
}
|
||||
|
||||
impl<T> Deref for RoCell<T> {
|
||||
type Target = T;
|
||||
|
||||
fn deref(&self) -> &Self::Target { unsafe { (*self.0.get()).as_ref().unwrap() } }
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user