mirror of https://github.com/helix-editor/helix
69 lines
2.3 KiB
Rust
69 lines
2.3 KiB
Rust
use anyhow::Result;
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use helix_core::Position;
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use helix_view::args::parse_file;
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use std::path::PathBuf;
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#[derive(Default)]
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pub struct Args {
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pub display_help: bool,
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pub display_version: bool,
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pub health: bool,
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pub health_arg: Option<String>,
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pub load_tutor: bool,
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pub fetch_grammars: bool,
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pub build_grammars: bool,
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pub verbosity: u64,
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pub files: Vec<(PathBuf, Position)>,
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}
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impl Args {
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pub fn parse_args() -> Result<Args> {
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let mut args = Args::default();
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let mut argv = std::env::args().peekable();
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argv.next(); // skip the program, we don't care about that
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while let Some(arg) = argv.next() {
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match arg.as_str() {
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"--" => break, // stop parsing at this point treat the remaining as files
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"--version" => args.display_version = true,
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"--help" => args.display_help = true,
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"--tutor" => args.load_tutor = true,
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"--health" => {
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args.health = true;
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args.health_arg = argv.next_if(|opt| !opt.starts_with('-'));
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}
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"-g" | "--grammar" => match argv.next().as_deref() {
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Some("fetch") => args.fetch_grammars = true,
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Some("build") => args.build_grammars = true,
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_ => {
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anyhow::bail!("--grammar must be followed by either 'fetch' or 'build'")
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}
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},
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arg if arg.starts_with("--") => {
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anyhow::bail!("unexpected double dash argument: {}", arg)
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}
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arg if arg.starts_with('-') => {
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let arg = arg.get(1..).unwrap().chars();
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for chr in arg {
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match chr {
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'v' => args.verbosity += 1,
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'V' => args.display_version = true,
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'h' => args.display_help = true,
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_ => anyhow::bail!("unexpected short arg {}", chr),
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}
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}
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}
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arg => args.files.push(parse_file(arg)),
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}
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}
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// push the remaining args, if any to the files
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for arg in argv {
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args.files.push(parse_file(&arg));
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}
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Ok(args)
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}
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}
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