src/args.rs at main · nasso.dev/launch-editor-nvim

Smart Neovim launcher for yyx990803/launch-editor

launch-editor-nvim / src / args.rs

at main 38 lines 866 B view raw

 1use std::{num::NonZeroU64, path::PathBuf};
 2
 3use anyhow::{Result, bail};
 4use log::error;
 5
 6#[derive(Debug)]
 7pub struct Args {
 8    pub filename: PathBuf,
 9    pub line: Option<NonZeroU64>,
10    pub col: Option<NonZeroU64>,
11}
12
13pub fn parse() -> Result<Args> {
14    let mut args = std::env::args().skip(1);
15    let Some(filename) = args.next().map(PathBuf::from) else {
16        bail!("not enough arguments");
17    };
18    let line = args
19        .next()
20        .map(|l| {
21            l.parse()
22                .inspect_err(|e| error!("Failed to parse line number {l:?}: {e}"))
23        })
24        .transpose()?;
25    let col = args
26        .next()
27        .map(|c| {
28            c.parse()
29                .inspect_err(|e| error!("Failed to parse column number {c:?}: {e}"))
30        })
31        .transpose()?;
32
33    Ok(Args {
34        filename,
35        line,
36        col,
37    })
38}