package Scanner

/*
*	Scans the input string for tokens based on delimiters
*/
public class Scanner
	string remainingInput
	string delimiter
	int tokenLength = 0


	construct(string input, string delimiter)
		remainingInput = input
		this.delimiter = delimiter

	function hasNext() returns boolean
		return remainingInput.length() > 0

	function next() returns string
		string char = remainingInput.charAt(tokenLength)
		string token = ""
		while tokenLength < remainingInput.length()-1
			if char == delimiter
				token = remainingInput.substring(0, tokenLength)
				break
			else
				tokenLength ++
				char = remainingInput.charAt(tokenLength)
		if token.length() < 1
			token = remainingInput
			remainingInput = ""
		else
			remainingInput = remainingInput.substring(tokenLength+1, remainingInput.length())
		tokenLength = 0
		return token

	function close()
		destroy this

	function iterator() returns Scanner
		return this