| | 1 | <?php |
| | 2 | /* |
| | 3 | * Copyright (C) 2003-2004 Polytechnique.org |
| | 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| | 19 | */ |
| | 20 | |
| | 21 | |
| | 22 | /** class for describing flags |
| | 23 | */ |
| | 24 | class flagset { |
| | 25 | /** string that holds the flagset */ |
| | 26 | var $value; |
| | 27 | |
| | 28 | /** the boundary between flags */ |
| | 29 | var $sep = ","; |
| | 30 | |
| | 31 | |
| | 32 | /** set flag |
| | 33 | * @param $flags services FROM coupures |
| | 34 | * @return VOID |
| | 35 | */ |
| | 36 | function flagset( $flags="" ) { |
| | 37 | $this->value = $flags; |
| | 38 | } |
| | 39 | |
| | 40 | |
| | 41 | /** add flag |
| | 42 | * @param $flag XXX |
| | 43 | * @return VOID |
| | 44 | */ |
| | 45 | function addflag($flag) { |
| | 46 | if (!$flag) return; |
| | 47 | if (!$this->hasflag($flag)) { |
| | 48 | if ($this->value) |
| | 49 | $this->value .= $this->sep; |
| | 50 | $this->value .= $flag; |
| | 51 | } |
| | 52 | } |
| | 53 | |
| | 54 | |
| | 55 | /** return all active flags |
| | 56 | * @return array |
| | 57 | */ |
| | 58 | |
| | 59 | function as_array() |
| | 60 | { |
| | 61 | if ($this->value) { |
| | 62 | $arr = explode($this->sep, $this->value); |
| | 63 | } else { |
| | 64 | $arr = array(); |
| | 65 | } |
| | 66 | return $arr; |
| | 67 | } |
| | 68 | |
| | 69 | |
| | 70 | /** test if a flag is set |
| | 71 | * @param $flag XXX |
| | 72 | * @return 1 || 0 |
| | 73 | */ |
| | 74 | function hasflag($flag) { |
| | 75 | $tok = strtok($this->value,$this->sep); |
| | 76 | while ($tok) { |
| | 77 | if ($tok==$flag) return 1; |
| | 78 | $tok = strtok($this->sep); |
| | 79 | } |
| | 80 | return 0; |
| | 81 | } |
| | 82 | |
| | 83 | |
| | 84 | /** remove flag |
| | 85 | * @param $flag XXX |
| | 86 | * @return VOID |
| | 87 | */ |
| | 88 | function rmflag($flag) { |
| | 89 | if (!$flag) return; |
| | 90 | $newvalue = ""; |
| | 91 | $tok = strtok($this->value,$this->sep); |
| | 92 | while ($tok) { |
| | 93 | if ($tok!=$flag) { |
| | 94 | if ($newvalue) |
| | 95 | $newvalue .= $this->sep; |
| | 96 | $newvalue .= $tok; |
| | 97 | } |
| | 98 | $tok = strtok($this->sep); |
| | 99 | } |
| | 100 | $this->value=$newvalue; |
| | 101 | } |
| | 102 | |
| | 103 | } |
| | 104 | |
| | 105 | ?> |
projects / diogenes.git / blame_incremental