Files
oak-gpui/crates/runnable/src/lib.rs
T
Piotr Osiewicz 2ec910f772 Runnables: Add oneshot runnables (#8061)
/cc @SomeoneToIgnore 
Fixes #7460 and partially addresses #7108 
Release Notes:

- N/A
2024-02-20 23:13:09 +01:00

71 lines
3.0 KiB
Rust

//! Baseline interface of Runnables in Zed: all runnables in Zed are intended to use those for implementing their own logic.
#![deny(missing_docs)]
mod static_runnable;
pub mod static_source;
pub use static_runnable::StaticRunnable;
use collections::HashMap;
use gpui::ModelContext;
use std::any::Any;
use std::path::{Path, PathBuf};
use std::sync::Arc;
/// Runnable identifier, unique within the application.
/// Based on it, runnable reruns and terminal tabs are managed.
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct RunnableId(pub String);
/// Contains all information needed by Zed to spawn a new terminal tab for the given runnable.
#[derive(Debug, Clone)]
pub struct SpawnInTerminal {
/// Id of the runnable to use when determining task tab affinity.
pub id: RunnableId,
/// Human readable name of the terminal tab.
pub label: String,
/// Executable command to spawn.
pub command: String,
/// Arguments to the command.
pub args: Vec<String>,
/// Current working directory to spawn the command into.
pub cwd: Option<PathBuf>,
/// Env overrides for the command, will be appended to the terminal's environment from the settings.
pub env: HashMap<String, String>,
/// Whether to use a new terminal tab or reuse the existing one to spawn the process.
pub use_new_terminal: bool,
/// Whether to allow multiple instances of the same runnable to be run, or rather wait for the existing ones to finish.
pub allow_concurrent_runs: bool,
/// Whether the command should be spawned in a separate shell instance.
pub separate_shell: bool,
}
/// Represents a short lived recipe of a runnable, whose main purpose
/// is to get spawned.
pub trait Runnable {
/// Unique identifier of the runnable to spawn.
fn id(&self) -> &RunnableId;
/// Human readable name of the runnable to display in the UI.
fn name(&self) -> &str;
/// Task's current working directory. If `None`, current project's root will be used.
fn cwd(&self) -> Option<&Path>;
/// Sets up everything needed to spawn the runnable in the given directory (`cwd`).
/// If a runnable is intended to be spawned in the terminal, it should return the corresponding struct filled with the data necessary.
fn exec(&self, cwd: Option<PathBuf>) -> Option<SpawnInTerminal>;
}
/// [`Source`] produces runnables that can be scheduled.
///
/// Implementations of this trait could be e.g. [`StaticSource`] that parses runnables from a .json files and provides process templates to be spawned;
/// another one could be a language server providing lenses with tests or build server listing all targets for a given project.
pub trait Source: Any {
/// A way to erase the type of the source, processing and storing them generically.
fn as_any(&mut self) -> &mut dyn Any;
/// Collects all runnables available for scheduling, for the path given.
fn runnables_for_path(
&mut self,
path: Option<&Path>,
cx: &mut ModelContext<Box<dyn Source>>,
) -> Vec<Arc<dyn Runnable>>;
}