xs/nu/commands/
remove_command.rs1use std::str::FromStr;
2
3use nu_engine::CallExt;
4use nu_protocol::engine::{Call, Command, EngineState, Stack};
5use nu_protocol::{Category, PipelineData, ShellError, Signature, SyntaxShape, Type};
6
7use scru128::Scru128Id;
8
9use crate::store::Store;
10
11#[derive(Clone)]
12pub struct RemoveCommand {
13 store: Store,
14}
15
16impl RemoveCommand {
17 pub fn new(store: Store) -> Self {
18 Self { store }
19 }
20}
21
22impl Command for RemoveCommand {
23 fn name(&self) -> &str {
24 ".remove"
25 }
26
27 fn signature(&self) -> Signature {
28 Signature::build(".remove")
29 .input_output_types(vec![(Type::Nothing, Type::Nothing)])
30 .required("id", SyntaxShape::String, "The ID of the frame to remove")
31 .category(Category::Experimental)
32 }
33
34 fn description(&self) -> &str {
35 "Removes a frame from the store by its ID"
36 }
37
38 fn run(
39 &self,
40 engine_state: &EngineState,
41 stack: &mut Stack,
42 call: &Call,
43 _input: PipelineData,
44 ) -> Result<PipelineData, ShellError> {
45 let id_str: String = call.req(engine_state, stack, 0)?;
46 let id = Scru128Id::from_str(&id_str).map_err(|e| ShellError::TypeMismatch {
47 err_message: format!("Invalid ID format: {e}"),
48 span: call.span(),
49 })?;
50
51 let store = self.store.clone();
52
53 match store.remove(&id) {
54 Ok(()) => Ok(PipelineData::Empty),
55 Err(e) => Err(ShellError::GenericError {
56 error: "Failed to remove frame".into(),
57 msg: e.to_string(),
58 span: Some(call.head),
59 help: None,
60 inner: vec![],
61 }),
62 }
63 }
64}