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123 lines
2.7 KiB
123 lines
2.7 KiB
12 years ago
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<?php
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/**
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* MINZ - Copyright 2011 Marien Fressinaud
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* Sous licence AGPL3 <http://www.gnu.org/licenses/>
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*/
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/**
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* La classe Model_array représente le modèle interragissant avec les fichiers de type texte gérant des tableaux php
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*/
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class Model_array extends Model_txt {
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/**
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* $array Le tableau php contenu dans le fichier $nameFile
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*/
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protected $array = array ();
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/**
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* Ouvre le fichier indiqué, charge le tableau dans $array et le $nameFile
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* @param $nameFile le nom du fichier à ouvrir contenant un tableau
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* Remarque : $array sera obligatoirement un tableau
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*/
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public function __construct ($nameFile) {
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parent::__construct ($nameFile);
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if (!$this->getLock ('read')) {
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throw new PermissionDeniedException ($this->filename);
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} else {
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$this->array = include ($this->filename);
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$this->releaseLock ();
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if (!is_array ($this->array)) {
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$this->array = array ();
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}
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$this->array = $this->decodeArray ($this->array);
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}
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}
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/**
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* Écrit un tableau dans le fichier $nameFile
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* @param $array le tableau php à enregistrer
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**/
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public function writeFile ($array) {
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if (!$this->getLock ('write')) {
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throw new PermissionDeniedException ($this->namefile);
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} else {
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$this->erase ();
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$this->writeLine ('<?php');
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$this->writeLine ('return ', false);
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$this->writeArray ($array);
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$this->writeLine (';');
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$this->releaseLock ();
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}
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}
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private function writeArray ($array, $profondeur = 0) {
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$tab = '';
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for ($i = 0; $i < $profondeur; $i++) {
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$tab .= "\t";
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}
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$this->writeLine ('array (');
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foreach ($array as $key => $value) {
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if (is_int ($key)) {
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$this->writeLine ($tab . "\t" . $key . ' => ', false);
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} else {
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$this->writeLine ($tab . "\t" . '\'' . $key . '\'' . ' => ', false);
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}
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if (is_array ($value)) {
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$this->writeArray ($value, $profondeur + 1);
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$this->writeLine (',');
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} else {
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if (is_numeric ($value)) {
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$this->writeLine ($value . ',');
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} else {
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$this->writeLine ('\'' . addslashes ($value) . '\',');
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}
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}
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}
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$this->writeLine ($tab . ')', false);
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}
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private function decodeArray ($array) {
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$new_array = array ();
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foreach ($array as $key => $value) {
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if (is_array ($value)) {
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$new_array[$key] = $this->decodeArray ($value);
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} else {
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$new_array[$key] = stripslashes ($value);
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}
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}
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return $new_array;
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}
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private function getLock ($type) {
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if ($type == 'write') {
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$lock = LOCK_EX;
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} else {
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$lock = LOCK_SH;
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}
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$count = 1;
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while (!flock ($this->file, $lock) && $count <= 50) {
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$count++;
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}
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if ($count >= 50) {
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return false;
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} else {
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return true;
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}
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}
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private function releaseLock () {
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flock ($this->file, LOCK_UN);
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}
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}
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