1 

     2 /**

     3 	@constructor

     4 */

     5 JSDOC.TextStream = function(text) {

     6 	if (typeof(text) == "undefined") text = "";

     7 	text = ""+text;

     8 	this.text = text;

     9 	this.cursor = 0;

    10 }

    11 

    12 JSDOC.TextStream.prototype.look = function(n) {

    13 	if (typeof n == "undefined") n = 0;

    14 	

    15 	if (this.cursor+n < 0 || this.cursor+n >= this.text.length) {

    16 		var result = new String("");

    17 		result.eof = true;

    18 		return result;

    19 	}

    20 	return this.text.charAt(this.cursor+n);

    21 }

    22 

    23 JSDOC.TextStream.prototype.next = function(n) {

    24 	if (typeof n == "undefined") n = 1;

    25 	if (n < 1) return null;

    26 	

    27 	var pulled = "";

    28 	for (var i = 0; i < n; i++) {

    29 		if (this.cursor+i < this.text.length) {

    30 			pulled += this.text.charAt(this.cursor+i);

    31 		}

    32 		else {

    33 			var result = new String("");

    34 			result.eof = true;

    35 			return result;

    36 		}

    37 	}

    38 

    39 	this.cursor += n;

    40 	return pulled;

    41 }