Function splargs

src/user/shell.rs:308–358

Split arguements

(cmd: &str)

// Split arguements
pub fn splargs(cmd: &str) -> Vec<&str>
{
	let mut args: Vec<&str> = Vec::new();
	let mut i = 0;
	let mut n = cmd.len();
	let mut quotation = false;

	for (j, c) in cmd.char_indices()
	{
		if c == '#' && !quotation
		{
			// Throw out comments
			n = j;
			break;
		}
		else if c == ' ' && !quotation
		{
			if i != j
			{
				args.push(&cmd[i..j]);
			}

			i = j + 1;
		}
		else if c == '"'
		{
			quotation = !quotation;
			if !quotation
			{
				args.push(&cmd[i..j]);
			}
			i = j + 1;
		}
	}

	if i < n
	{
		if quotation
		{
			n -= 1;
		}
		args.push(&cmd[i..n]);
	}

	if n == 0 || cmd.ends_with(' ')
	{
		args.push("");
	}

	args
}