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jpm |
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<?php
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/**
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* Config permet de charger automatiquement les fichiers ini du Framework et de l'application.
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* Elle offre l'accès en lecture seule aux paramêtres de config.
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* C'est une Singleton.
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*
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* PHP Version 5
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*
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* @category PHP
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* @package Framework
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* @author Jean-Pascal MILCENT <jpm@tela-botanica.org>
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* @copyright 2009 Tela-Botanica
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* @license GPL-v3 et CECILL-v2
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* @version SVN: <svn_id>
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* @link /doc/framework/
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*/
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class Config {
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private static $instance = null;
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private static $parametres = array();
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private function __construct() {
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self::$parametres = array(
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'fw_fichier_config' => 'config.ini',
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'fw_chemin' => dirname(__FILE__).DS,
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'chemin_appli' => dirname($_SERVER['SCRIPT_FILENAME'].DS),
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);
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self::parserFichierIni(self::$parametres['fw_chemin'].self::$parametres['fw_fichier_config']);
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self::parserFichierIni(self::$parametres['chemin_appli'].self::$parametres['fw_fichier_config']);
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}
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private static function parserFichierIni($fichier_ini) {
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$retour = false;
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if (file_exists($fichier_ini)) {
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$aso_ini = parse_ini_file($fichier_ini, true);
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$aso_ini = self::evaluerPhp($aso_ini);
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self::$parametres = array_merge(self::$parametres, $aso_ini);
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$retour = true;
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}
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return $retour;
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}
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public static function charger($fichier_ini) {
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self::verifierCreationInstance();
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return self::parserFichierIni($fichier_ini);
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}
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public static function get($param) {
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$retour = '';
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self::verifierCreationInstance();
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if (isset(self::$parametres[$param])) {
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$retour = self::$parametres[$param];
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}
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return $retour;
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}
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public static function getSection($section, $param = null) {
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$retour = '';
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self::verifierCreationInstance();
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if (isset(self::$parametres[$section])) {
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if (!is_null($param)) {
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if (isset(self::$parametres[$section][$param])) {
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$retour = self::$parametres[$section][$param];
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}
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} else {
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$retour = self::$parametres[$section];
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}
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}
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return $retour;
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}
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public static function existe($param) {
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$retour = false;
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self::verifierCreationInstance();
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if (isset(self::$parametres[$param])) {
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$retour = true;
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}
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return $retour;
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}
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public static function existeSection($section, $param = null) {
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$retour = false;
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self::verifierCreationInstance();
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if (isset(self::$parametres[$section])) {
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if (!is_null($param)) {
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if (isset(self::$parametres[$section][$param])) {
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$retour = true;
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}
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} else {
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$retour = true;
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}
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}
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return $retour;
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}
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private static function verifierCreationInstance() {
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if (empty(self::$instance)) {
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self::$instance = new Config();
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}
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}
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private static function evaluerPhp($tableau_a_analyser) {
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if (is_array($tableau_a_analyser)) {
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foreach ($tableau_a_analyser as $cle => $valeur) {
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if (is_array($valeur)) {
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$tableau_a_analyser[$cle] = self::evaluerPhp($valeur);
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} else {
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if (preg_match('/^php:(.+)$/', $valeur, $correspondances)) {
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eval('$tableau_a_analyser["'.$cle.'"] = '.$correspondances[1].';');
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} else {
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$tableau_a_analyser[$cle] = $valeur;
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}
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}
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}
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}
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return $tableau_a_analyser;
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}
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}
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?>
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