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feat: add dynamic shell completions (#583)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| use std::{ | ||
| env, | ||
| sync::{atomic::AtomicBool, LazyLock, Mutex}, | ||
| }; | ||
|
|
||
| use camino::Utf8PathBuf; | ||
| use clap_complete::CompletionCandidate; | ||
|
|
||
| use crate::model::ContextBag; | ||
|
|
||
| static COMPLETING: AtomicBool = AtomicBool::new(false); | ||
| static STATE: LazyLock<Mutex<CompleterState>> = LazyLock::new(|| { | ||
| COMPLETING.store(true, std::sync::atomic::Ordering::Release); | ||
| Mutex::new(CompleterState::new()) | ||
| }); | ||
|
|
||
| pub fn completing() -> bool { | ||
| COMPLETING.load(std::sync::atomic::Ordering::Acquire) | ||
| } | ||
|
|
||
| #[derive(Default)] | ||
| struct CompleterState { | ||
| contexts: Option<ContextBag>, | ||
| } | ||
|
|
||
| impl CompleterState { | ||
| pub fn new() -> Self { | ||
| let cwd = Utf8PathBuf::try_from(env::current_dir().unwrap()).expect("cwd not UTF8"); | ||
| let project_root = crate::determine_project_root(&cwd); | ||
| if let Ok((project_root, project_file)) = project_root { | ||
| let build_dir = project_root.join("build"); | ||
| let project_file = project_root.join(project_file); | ||
| let res = crate::data::load(&project_file, &build_dir); | ||
| // TODO: this is where the error is eaten, when this fails. log? | ||
| let contexts = res.ok().map(|(contexts, _, _)| contexts); | ||
| Self { contexts } | ||
| } else { | ||
| Self { contexts: None } | ||
| } | ||
| } | ||
|
|
||
| pub fn builders(&self) -> Vec<CompletionCandidate> { | ||
| if let Some(contexts) = self.contexts.as_ref() { | ||
| contexts | ||
| .builders() | ||
| .map(|builder| { | ||
| CompletionCandidate::new(&builder.name) | ||
| .help(builder.help.as_ref().map(|help| help.into())) | ||
| }) | ||
| .collect() | ||
| } else { | ||
| Vec::new() | ||
| } | ||
| } | ||
|
|
||
| pub fn apps(&self) -> Vec<CompletionCandidate> { | ||
| if let Some(contexts) = self.contexts.as_ref() { | ||
| contexts | ||
| .modules() | ||
| .filter(|(_, module)| module.is_binary) | ||
| .map(|(name, module)| { | ||
| CompletionCandidate::new(name) | ||
| .help(module.help.as_ref().map(|help| help.into())) | ||
| }) | ||
| .collect() | ||
| } else { | ||
| Vec::new() | ||
| } | ||
| } | ||
|
|
||
| pub fn modules(&self) -> Vec<CompletionCandidate> { | ||
| if let Some(contexts) = self.contexts.as_ref() { | ||
| contexts | ||
| .modules() | ||
| .map(|(name, module)| { | ||
| CompletionCandidate::new(name) | ||
| .help(module.help.as_ref().map(|help| help.into())) | ||
| }) | ||
| .collect() | ||
| } else { | ||
| Vec::new() | ||
| } | ||
| } | ||
|
|
||
| pub fn tasks(&self) -> Vec<CompletionCandidate> { | ||
| if let Some(contexts) = self.contexts.as_ref() { | ||
| contexts | ||
| .modules() | ||
| .flat_map(|(_name, module)| module.tasks.iter()) | ||
| .chain( | ||
| contexts | ||
| .contexts | ||
| .iter() | ||
| .filter_map(|c| c.tasks.as_ref()) | ||
| .flat_map(|tasks| tasks.iter()), | ||
| ) | ||
| .map(|(name, task)| { | ||
| CompletionCandidate::new(name).help(task.help.as_ref().map(|help| help.into())) | ||
| }) | ||
| .collect() | ||
| } else { | ||
| Vec::new() | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub fn app_completer() -> Vec<CompletionCandidate> { | ||
| let state = STATE.lock().unwrap(); | ||
| state.apps() | ||
| } | ||
|
|
||
| pub fn builder_completer() -> Vec<CompletionCandidate> { | ||
| let state = STATE.lock().unwrap(); | ||
| state.builders() | ||
| } | ||
|
|
||
| pub fn module_completer() -> Vec<CompletionCandidate> { | ||
| let state = STATE.lock().unwrap(); | ||
| state.modules() | ||
| } | ||
|
|
||
| pub fn task_completer() -> Vec<CompletionCandidate> { | ||
| let state = STATE.lock().unwrap(); | ||
| state.tasks() | ||
| } |
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