Nils Diewald | 0e6992a | 2015-04-14 20:13:52 +0000 | [diff] [blame] | 1 | /** |
| 2 | * Regex object for checking the context of the hint |
| 3 | */ |
Akron | da5bd3a | 2020-10-16 17:37:49 +0200 | [diff] [blame] | 4 | "use strict"; |
| 5 | |
Nils Diewald | 0e6992a | 2015-04-14 20:13:52 +0000 | [diff] [blame] | 6 | define({ |
Nils Diewald | 7148c6f | 2015-05-04 15:07:53 +0000 | [diff] [blame] | 7 | |
| 8 | /** |
| 9 | * Create analyzer based on regular expression. |
| 10 | */ |
Nils Diewald | 0e6992a | 2015-04-14 20:13:52 +0000 | [diff] [blame] | 11 | create : function (regex) { |
| 12 | return Object.create(this)._init(regex); |
| 13 | }, |
Nils Diewald | 7148c6f | 2015-05-04 15:07:53 +0000 | [diff] [blame] | 14 | |
| 15 | // Initialize analyzer |
Nils Diewald | 0e6992a | 2015-04-14 20:13:52 +0000 | [diff] [blame] | 16 | _init : function (regex) { |
| 17 | try { |
| 18 | this._regex = new RegExp(regex); |
| 19 | } |
| 20 | catch (e) { |
| 21 | KorAP.log(0, e); |
| 22 | return; |
| 23 | }; |
| 24 | return this; |
| 25 | }, |
Nils Diewald | 7148c6f | 2015-05-04 15:07:53 +0000 | [diff] [blame] | 26 | |
| 27 | /** |
| 28 | * Check a context based on the analyzer |
| 29 | * and return a valid context string. |
| 30 | */ |
Nils Diewald | 0e6992a | 2015-04-14 20:13:52 +0000 | [diff] [blame] | 31 | test : function (text) { |
| 32 | if (!this._regex.exec(text)) |
| 33 | return; |
| 34 | return RegExp.$1; |
| 35 | } |
| 36 | }); |