forked from extern/nushell
8f634f4140
Came from [this discussion](https://discord.com/channels/601130461678272522/1348791953784836147/1349699872059691038) on discord with @fdncred # Description Small refactoring where I rename commands from "SubCommand" to its proper name. Motivations: better clarity (although subjective), better searchable, consistency. The only commands I didn't touch were "split list" and "ansi gradient" because of name clashes. # User-Facing Changes None # Tests + Formatting cargo fmt and clippy OK # After Submitting nothing required
53 lines
1.6 KiB
Rust
53 lines
1.6 KiB
Rust
use nu_engine::command_prelude::*;
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use unicode_segmentation::UnicodeSegmentation;
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#[derive(Clone)]
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pub struct CommandlineGetCursor;
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impl Command for CommandlineGetCursor {
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fn name(&self) -> &str {
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"commandline get-cursor"
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}
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fn signature(&self) -> Signature {
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Signature::build(self.name())
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.input_output_types(vec![(Type::Nothing, Type::Int)])
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.allow_variants_without_examples(true)
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.category(Category::Core)
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}
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fn description(&self) -> &str {
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"Get the current cursor position."
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}
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fn search_terms(&self) -> Vec<&str> {
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vec!["repl", "interactive"]
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}
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fn run(
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&self,
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engine_state: &EngineState,
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_stack: &mut Stack,
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call: &Call,
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_input: PipelineData,
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) -> Result<PipelineData, ShellError> {
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let repl = engine_state.repl_state.lock().expect("repl state mutex");
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let char_pos = repl
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.buffer
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.grapheme_indices(true)
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.chain(std::iter::once((repl.buffer.len(), "")))
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.position(|(i, _c)| i == repl.cursor_pos)
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.expect("Cursor position isn't on a grapheme boundary");
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match i64::try_from(char_pos) {
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Ok(pos) => Ok(Value::int(pos, call.head).into_pipeline_data()),
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Err(e) => Err(ShellError::GenericError {
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error: "Failed to convert cursor position to int".to_string(),
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msg: e.to_string(),
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span: None,
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help: None,
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inner: vec![],
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}),
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}
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}
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}
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