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2b1ee50b | 1 | <?php |
2 | /*************************************************************************** | |
2ab75571 | 3 | * Copyright (C) 2003-2010 Polytechnique.org * |
2b1ee50b | 4 | * http://opensource.polytechnique.org/ * |
5 | * * | |
6 | * This program is free software; you can redistribute it and/or modify * | |
7 | * it under the terms of the GNU General Public License as published by * | |
8 | * the Free Software Foundation; either version 2 of the License, or * | |
9 | * (at your option) any later version. * | |
10 | * * | |
11 | * This program is distributed in the hope that it will be useful, * | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
14 | * GNU General Public License for more details. * | |
15 | * * | |
16 | * You should have received a copy of the GNU General Public License * | |
17 | * along with this program; if not, write to the Free Software * | |
18 | * Foundation, Inc., * | |
19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * | |
20 | ***************************************************************************/ | |
21 | ||
5177a1b5 FB |
22 | /** An iterator. |
23 | */ | |
2b1ee50b | 24 | interface PlIterator |
25 | { | |
5177a1b5 FB |
26 | /** Fetch and return the next element of the iterator. |
27 | * If no more element is available, return null. | |
28 | */ | |
2b1ee50b | 29 | public function next(); |
5177a1b5 FB |
30 | |
31 | /** Return the number of element of the iterator. | |
32 | */ | |
2b1ee50b | 33 | public function total(); |
5177a1b5 FB |
34 | |
35 | /** True if the current element is the first element. | |
36 | */ | |
2b1ee50b | 37 | public function first(); |
5177a1b5 FB |
38 | |
39 | /** True if the current element is the last element. | |
40 | */ | |
2b1ee50b | 41 | public function last(); |
42 | } | |
43 | ||
44 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: | |
45 | ?> |