108 lines
2.9 KiB
Rust
108 lines
2.9 KiB
Rust
use std::{
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fs::read_dir,
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path::PathBuf,
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};
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use freedesktop_entry_parser as fd;
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use mlua::prelude::*;
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use parking_lot::Mutex;
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use rayon::prelude::*;
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use url::Url;
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use crate::entry::{
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entries_to_lua_table,
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Entry,
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};
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fn parse_entry<'a>(entry: fd::Entry, path: PathBuf) -> Result<Entry, ()> {
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let section = entry.section("Desktop Entry");
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let name = section.attr("Name").ok_or(())?.to_string();
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if section.attr("Type").ok_or(())? != "Application" {
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return Err(());
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}
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match section.attr("OnlyShowIn") {
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Some(_) => return Err(()),
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None => {}
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}
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match section.attr("Hidden") {
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Some(_) => return Err(()),
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None => {}
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}
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match section.attr("NoDisplay") {
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Some(_) => return Err(()),
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None => {}
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}
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let exec = section.attr("Exec").ok_or(())?.to_string();
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let mut new_exec = exec.clone();
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for (index, _) in exec.match_indices("%") {
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match exec.chars().nth(index + 1).unwrap().to_ascii_lowercase() {
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'i' => match section.attr("Icon") {
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Some(icon) => new_exec.replace_range(index..index + 2, &format!("--icon {}", icon)),
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None => {}
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},
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'c' => new_exec.replace_range(index..index + 2, &name),
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'k' => new_exec.replace_range(index..index + 2, Url::from_file_path(&path)?.as_str()),
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'f' | 'u' | 'v' | 'm' | 'd' | 'n' => new_exec.replace_range(index..index + 2, ""),
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_ => continue,
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}
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}
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Ok(Entry {
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message: name,
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exec: Some((
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new_exec,
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section
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.attr("Terminal")
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.unwrap_or("false")
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.parse()
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.map_err(drop)?,
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)),
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provider: "Application".to_string(),
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})
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}
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pub fn query(lua: &Lua, input: String) -> LuaResult<LuaTable> {
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let applications_dir = "/usr/share/applications";
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let entries = read_dir(applications_dir)?
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.map(|result| result.map(|e| e.path()))
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.collect::<Result<Vec<_>, std::io::Error>>()?;
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let entries = entries
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.into_iter()
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.filter(|e| match e.extension() {
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Some(ext) if ext == "desktop" => true,
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None | _ => false,
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})
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.collect::<Vec<_>>();
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let mut parsed_entries: Mutex<Vec<Entry>> = Mutex::new(Vec::new());
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entries.into_par_iter().for_each(|path| {
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let entry = match fd::parse_entry(&path) {
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Ok(entry) => entry,
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Err(_) => return,
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};
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match parse_entry(entry, path) {
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Ok(parsed_entry) => parsed_entries.lock().push(parsed_entry),
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Err(_) => return,
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}
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});
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Ok(entries_to_lua_table(
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parsed_entries
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.get_mut()
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.iter()
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.filter(|entry| entry.message.to_lowercase().contains(&input))
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.map(|entry| (*entry).clone())
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.collect(),
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lua,
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))
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}
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