Function ismatch_here

src/rgx.rs:131–175

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

}

fn ismatch_here(re: &[char], text: &[char], end: &mut usize) -> bool
{
	if re.len() == 0
	{
		return true;
	}
	if re[0] == '$'
	{
		return text.len() == 0;
	}
	let (mc, i) = if re.len() > 1 && re[0] == '\\'
	{
		(MetaCharacter::fromesc(re[1]), 1)
	}
	else
	{
		(MetaCharacter::from(re[0]), 0)
	};
	if re.len() > i + 1
	{
		let lazy = re.len() > i + 2 && re[i + 2] == '?';
		let j = if lazy
		{
			i + 3
		}
		else
		{
			i + 2
		};
		match re[i + 1]
		{
			'*' => return ismatch_star(lazy, mc, &re[j..], text, end),
			'+' => return ismatch_plus(lazy, mc, &re[j..], text, end),
			'?' => return ismatch_qst(lazy, mc, &re[j..], text, end),
			_ => {}
		}
	}
	if text.len() != 0 && mc.contains(text[0])
	{
		*end += 1;
		let j = i + 1;
		return ismatch_here(&re[j..], &text[1..], end);
	}
	false
}

fn ismatch_star(lazy: bool, mc: MetaCharacter, re: &[char], text: &[char], end: &mut usize) -> bool
{