mirror of
https://github.com/sxyazi/yazi.git
synced 2026-07-21 23:01:05 +00:00
81 lines
2.5 KiB
Rust
81 lines
2.5 KiB
Rust
use std::{borrow::Cow, collections::HashMap, ops::Deref};
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use anyhow::{bail, Result};
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use mlua::{ExternalError, Table};
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use parking_lot::RwLock;
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use tokio::fs;
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use yazi_boot::BOOT;
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use yazi_shared::RoCell;
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use crate::LUA;
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pub static LOADER: RoCell<Loader> = RoCell::new();
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#[derive(Default)]
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pub struct Loader {
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cache: RwLock<HashMap<String, Cow<'static, [u8]>>>,
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}
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impl Loader {
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pub async fn ensure(&self, name: &str) -> Result<()> {
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if self.cache.read().contains_key(name) {
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return Ok(());
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}
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let b = match name {
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"dds" => Some(&include_bytes!("../../preset/plugins/dds.lua")[..]),
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"noop" => Some(&include_bytes!("../../preset/plugins/noop.lua")[..]),
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"session" => Some(&include_bytes!("../../preset/plugins/session.lua")[..]),
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_ => None,
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};
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if let Some(b) = b {
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self.cache.write().insert(name.to_owned(), Cow::Borrowed(b));
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return Ok(());
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}
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let path = BOOT.plugin_dir.join(format!("{name}.yazi/init.lua"));
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let b = fs::read(path).await.map(|v| v.into()).or_else(|_| {
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Ok(Cow::from(match name {
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"archive" => &include_bytes!("../../preset/plugins/archive.lua")[..],
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"code" => include_bytes!("../../preset/plugins/code.lua"),
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"file" => include_bytes!("../../preset/plugins/file.lua"),
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"folder" => include_bytes!("../../preset/plugins/folder.lua"),
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"fzf" => include_bytes!("../../preset/plugins/fzf.lua"),
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"image" => include_bytes!("../../preset/plugins/image.lua"),
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"json" => include_bytes!("../../preset/plugins/json.lua"),
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"mime" => include_bytes!("../../preset/plugins/mime.lua"),
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"pdf" => include_bytes!("../../preset/plugins/pdf.lua"),
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"video" => include_bytes!("../../preset/plugins/video.lua"),
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"zoxide" => include_bytes!("../../preset/plugins/zoxide.lua"),
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_ => bail!("plugin not found: {name}"),
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}))
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})?;
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self.cache.write().insert(name.to_owned(), b);
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Ok(())
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}
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pub fn load(&self, name: &str) -> mlua::Result<Table> {
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let globals = LUA.globals();
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let loaded: Table = globals.raw_get::<_, Table>("package")?.raw_get("loaded")?;
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if let Ok(t) = loaded.raw_get::<_, Table>(name) {
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return Ok(t);
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}
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let t: Table = match self.read().get(name) {
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Some(b) => LUA.load(b.as_ref()).call(())?,
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None => Err(format!("plugin `{name}` not found").into_lua_err())?,
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};
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t.raw_set("_name", LUA.create_string(name)?)?;
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loaded.raw_set(name, t.clone())?;
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Ok(t)
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}
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}
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impl Deref for Loader {
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type Target = RwLock<HashMap<String, Cow<'static, [u8]>>>;
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#[inline]
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fn deref(&self) -> &Self::Target { &self.cache }
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}
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