Function shcomp

src/user/shell.rs:249–304

Shell completion

(ln: &str)

// Shell completion
pub fn shcomp(ln: &str) -> Vec<String>
{
	let mut items = Vec::new();

	let args = splargs(ln);
	let i = args.len() - 1;

	// Autocomplete command
	if args.len() == 1
	{
		for &cmd in &AUTOCMD
		{
			if let Some(item) = cmd.strip_prefix(args[i])
			{
				items.push(item.into());
			}
		}
	}
	// Autocomplete path
	else
	{
		let pname = crate::fs::rpath(args[i]);
		let dname = crate::fs::dname(&pname);
		let fname = crate::fs::fname(&pname);
		let sep = if dname.ends_with('/')
		{
			""
		}
		else
		{
			"/"
		};

		if let Some(directory) = crate::fs::directory::Directory::open(dname)
		{
			for item in directory.items()
			{
				let name = item.name();
				if name.starts_with(fname)
				{
					let end = if item.isdir()
					{
						"/"
					}
					else
					{
						""
					};
					let path = format!("{}{}{}{}", dname, sep, name, end);
					items.push(path[pname.len()..].into());
				}
			}
		}
	}
	items
}