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www/classes/filtres/FiltreBase.class.php

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+<?php
+/*************************************************************************************/
+/*                                                                                   */
+/*      Thelia	                                                            		 */
+/*                                                                                   */
+/*      Copyright (c) OpenStudio		                                             */
+/*		email : thelia@openstudio.fr		        	                          	 */
+/*      web : http://www.openstudio.fr						   						 */
+/*                                                                                   */
+/*      This program is free software; you can redistribute it and/or modify         */
+/*      it under the terms of the GNU General Public License as published by         */
+/*      the Free Software Foundation; either version 3 of the License                */
+/*                                                                                   */
+/*      This program is distributed in the hope that it will be useful,              */
+/*      but WITHOUT ANY WARRANTY; without even the implied warranty of               */
+/*      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                */
+/*      GNU General Public License for more details.                                 */
+/*                                                                                   */
+/*      You should have received a copy of the GNU General Public License            */
+/*	    along with this program.  If not, see <http://www.gnu.org/licenses/>.		 */
+/*                                                                                   */
+/*************************************************************************************/
+
+require_once __DIR__ . "/../../fonctions/autoload.php";
+
+abstract class FiltreBase
+{
+	public function __construct($regexp)
+	{
+		$this->regexp = $regexp;
+	}
+
+	public function init() {
+	}
+
+	public function prerequis() {
+		return true;
+	}
+
+	public function destroy() {
+	}
+
+	public function exec(&$texte)
+	{
+		if (preg_match_all($this->regexp, $texte, $matches, PREG_SET_ORDER)) {
+
+			foreach($matches as $match) {
+
+				// On ne remplace que le première occurence du filtre. En effet,
+				// si on a plusieurs occurences identiques du filtre, str_replace()
+				// remplacera toutes ces occurences en une seule fois, ce qui n'est
+				// peut-être pas le comportement adéquat.
+				// Cf. http://thelia.net/forum/viewtopic.php?id=8017
+            	$texte = substr_replace(
+							$texte,
+							$this->calcule($match),
+							strpos($texte, $match[0]),
+							strlen($match[0])
+				);
+ 			}
+		}
+	}
+
+	public abstract function calcule($match);
+}
+?>