class Line {
	public var chars; // needs to come from js, doesn't take html tags into account!
	public var words;
	public var forceBreak;
	
	public function Line() {
		this.words = [];
		this.chars = -1;
		this.forceBreak = false;
	}
	
	public function toString() {
		return this.words.join(' ');
	}
	
	public function push(word) {
		this.words.push(word);
		word.line = this;
		this.chars += 1 + word.chars;
	}
	
	public function pushAll(words) {
		for(var i = 0; i < words.length; i++) this.push(words[i]);
	}
	
	public function pop() {
		var word = this.words.pop();
		this.chars -= 1 + word.chars;
		return word;
	}
	
	public function unshift(word) {
		this.words.unshift(word);
		word.line = this;
		this.chars += 1 + word.chars;
	}
	
	public function unshiftAll(words) {
		words.reverse(); // unshifting should happen in reverse order!
		for(var i = 0; i < words.length; i++) this.unshift(words[i]);
	}
	
	public function shift() {
		var word = this.words.shift();
		this.chars -= 1 + word.chars;
		return word;
	}
	
	public function spliceEnd(ix) {
		var words = this.words.splice(ix);
		for(var i = 0; i < words.length; i++) this.chars -= 1 + words[i].chars;
		return words;
	}
}