WordSplitterFilter.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2008 by Evgeniy N. Sokolov                              *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU Lesser General Public License as        *
00007  *   published by the Free Software Foundation; either version 3 of the    *
00008  *   License, or (at your option) any later version.                       *
00009  *                                                                         *
00010  ***************************************************************************/
00011 
00015     final class WordSplitterFilter implements Filtrator
00016     {
00017         private $maxWordLength  = 25;
00018         private $delimer        = '&#x200B;';
00019         
00023         public static function create()
00024         {
00025             return new self;
00026         }
00027         
00031         public function setMaxWordLength($length)
00032         {
00033             $this->maxWordLength = $length;
00034             return $this;
00035         }
00036         
00037         public function getMaxWordLength()
00038         {
00039             return $this->maxWordLength;
00040         }
00041         
00045         public function setDelimer($delimer)
00046         {
00047             $this->delimer = $delimer;
00048             return $this;
00049         }
00050         
00051         public function getDelimer()
00052         {
00053             return $this->delimer;
00054         }
00055         
00056         public function apply($value)
00057         {
00058             return
00059                 preg_replace(
00060                     '/([^\s]{'.$this->getMaxWordLength().','
00061                         .$this->getMaxWordLength().'})([^\s])/u',
00062                     '$1'.$this->getDelimer().'$2',
00063                     $value
00064                 );
00065         }
00066     }
00067 ?>