89 lines
2.2 KiB
PHP
89 lines
2.2 KiB
PHP
<?php
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require_once(__DIR__ . '/BridgeInterface.php');
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class Bridge {
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static protected $dirBridge;
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public function __construct(){
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throw new \LogicException('Please use ' . __CLASS__ . '::create for new object.');
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}
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/**
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* Create a new bridge object
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* @param string $nameBridge Defined bridge name you want use
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* @return Bridge object dedicated
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*/
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static public function create($nameBridge){
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if(!preg_match('@^[A-Z][a-zA-Z0-9-]*$@', $nameBridge)) {
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$message = <<<EOD
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'nameBridge' must start with one uppercase character followed or not by
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alphanumeric or dash characters!
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EOD;
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throw new \InvalidArgumentException($message);
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}
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$nameBridge = $nameBridge . 'Bridge';
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$pathBridge = self::getDir() . $nameBridge . '.php';
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if(!file_exists($pathBridge)) {
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throw new \Exception('The bridge you looking for does not exist. It should be at path '
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. $pathBridge);
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}
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require_once $pathBridge;
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if((new ReflectionClass($nameBridge))->isInstantiable()) {
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return new $nameBridge();
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}
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return false;
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}
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static public function setDir($dirBridge){
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if(!is_string($dirBridge)) {
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throw new \InvalidArgumentException('Dir bridge must be a string.');
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}
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if(!file_exists($dirBridge)) {
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throw new \Exception('Dir bridge does not exist.');
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}
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self::$dirBridge = $dirBridge;
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}
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static public function getDir(){
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if(is_null(self::$dirBridge)) {
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throw new \LogicException(__CLASS__ . ' class need to know bridge path !');
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}
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return self::$dirBridge;
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}
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/**
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* Lists the available bridges.
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* @return array List of the bridges
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*/
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static public function listBridges(){
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$listBridge = array();
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$dirFiles = scandir(self::getDir());
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if($dirFiles !== false) {
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foreach($dirFiles as $fileName) {
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if(preg_match('@^([^.]+)Bridge\.php$@U', $fileName, $out)) {
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$listBridge[] = $out[1];
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}
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}
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}
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return $listBridge;
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}
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static public function isWhitelisted($whitelist, $name){
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return in_array($name, $whitelist)
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|| in_array($name . '.php', $whitelist)
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|| in_array($name . 'bridge', $whitelist) // DEPRECATED
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|| in_array($name . 'bridge.php', $whitelist) // DEPRECATED
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|| (count($whitelist) === 1 && trim($whitelist[0]) === '*');
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}
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}
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