equal
deleted
inserted
replaced
|
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 } |