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yhfp/
main.rs

1//! Copy current Helix file path with line number to clipboard.
2//!
3//! # Errors
4//! - `WezTerm` command or status line parsing fails.
5
6use core::str::FromStr;
7use std::process::Command;
8
9use rootcause::prelude::ResultExt;
10use rootcause::report;
11use ytil_editor::Editor;
12use ytil_hx::HxStatusLine;
13use ytil_sys::cli::Args;
14
15/// Copy current Helix file path with line number to clipboard.
16#[ytil_sys::main]
17fn main() -> rootcause::Result<()> {
18    let args = ytil_sys::cli::get();
19    if args.has_help() {
20        println!("{}", include_str!("../help.txt"));
21        return Ok(());
22    }
23
24    let hx_pane_id = ytil_wezterm::get_sibling_pane_with_titles(
25        &ytil_wezterm::get_all_panes(&[])?,
26        ytil_wezterm::get_current_pane_id()?,
27        Editor::Hx.pane_titles(),
28    )?
29    .pane_id;
30
31    let wezterm_pane_text = String::from_utf8(
32        Command::new("wezterm")
33            .args(["cli", "get-text", "--pane-id", &hx_pane_id.to_string()])
34            .output()?
35            .stdout,
36    )?;
37
38    let hx_status_line_str = wezterm_pane_text
39        .lines()
40        .nth_back(1)
41        .ok_or_else(|| report!("missing hx status line"))
42        .attach_with(|| format!("pane_id={hx_pane_id} text={wezterm_pane_text:#?}"))?;
43
44    let hx_status_line = HxStatusLine::from_str(hx_status_line_str)?;
45
46    ytil_sys::file::cp_to_system_clipboard(&mut format_hx_status_line(&hx_status_line)?.as_bytes())?;
47
48    Ok(())
49}
50
51/// Formats Helix status line into file path with line number.
52///
53/// # Errors
54/// - UTF-8 conversion fails.
55fn format_hx_status_line(hx_status_line: &HxStatusLine) -> rootcause::Result<String> {
56    let file_path = hx_status_line
57        .file_path
58        .to_str()
59        .ok_or_else(|| report!("cannot convert path to str"))
60        .attach_with(|| format!("path={}", hx_status_line.file_path.display()))?;
61
62    Ok(format!("{file_path}:{}", hx_status_line.position.line))
63}
64
65#[cfg(test)]
66mod tests {
67    use std::path::PathBuf;
68
69    use rstest::rstest;
70
71    use super::*;
72
73    #[rstest]
74    #[case("src/main.rs", 42, 7, "src/main.rs:42")]
75    #[case("yog/ytil/cmd/src/lib.rs", 1, 1, "yog/ytil/cmd/src/lib.rs:1")]
76    #[case("file.txt", 100, 50, "file.txt:100")]
77    fn test_format_hx_status_line_returns_path_with_line_number(
78        #[case] path: &str,
79        #[case] line: usize,
80        #[case] column: usize,
81        #[case] expected: &str,
82    ) {
83        let status = HxStatusLine {
84            file_path: PathBuf::from(path),
85            position: ytil_hx::HxCursorPosition { line, column },
86        };
87        assert2::assert!(let Ok(result) = format_hx_status_line(&status));
88        pretty_assertions::assert_eq!(result, expected);
89    }
90}