Function ismatch

src/rgx.rs:102–129

(re: &[char], text: &[char], start: &mut usize, end: &mut usize)

fn ismatch(re: &[char], text: &[char], start: &mut usize, end: &mut usize) -> bool
{
	if re.len() == 0
	{
		return true;
	}
	if re[0] == '^'
	{
		*end = 1;
		return ismatch_here(&re[1..], text, end);
	}
	let mut i = 0;
	let n = text.len();
	loop
	{
		*start = i;
		*end = i;
		if ismatch_here(re, &text[i..], end)
		{
			return true;
		}
		if i == n
		{
			return false;
		}
		i += 1;
	}
}

fn ismatch_here(re: &[char], text: &[char], end: &mut usize) -> bool
{