PHP PEAR_Frontend::setFrontendClass方法代码示例

 /**
  * Retrieve the frontend object
  * @return PEAR_Frontend_CLI|PEAR_Frontend_Web|PEAR_Frontend_Gtk
  * @static
  */
 function &singleton($type = null)
 {
     if ($type === null) {
         if (!isset($GLOBALS['_PEAR_FRONTEND_SINGLETON'])) {
             $a = false;
             return $a;
         }
         return $GLOBALS['_PEAR_FRONTEND_SINGLETON'];
     }
     $a = PEAR_Frontend::setFrontendClass($type);
     return $a;
 }

 /**
  * Load current frontend class.
  *
  * @param string $uiclass Name of class implementing the frontend
  *
  * @return object the frontend object, or a PEAR error
  * @static
  */
 function &setFrontendClass($uiclass)
 {
     $a =& PEAR_Frontend::setFrontendClass($uiclass);
     return $a;
 }

 /**
  * Private constructor to initialize the instance
  * with the necessary data.
  *
  * @param string $baseDir The Magento base directory
  * @return void
  */
 public function __construct($baseDir)
 {
     // check if the passed Magento base directory exists
     if (!is_dir($baseDir)) {
         throw new Exception('Magento base directory ' . $baseDir . ' doesn\'t exists');
     }
     // load the PEAR directory for the Magento channel
     $pearDir = $baseDir . DS . 'downloader' . DS . 'pearlib';
     // check if the Magento PEAR directory exists
     if (!is_dir($pearDir)) {
         throw new Exception('Magento PEAR base directory ' . $pearDir . ' doesn\'t exists');
     }
     // load the registry
     $this->_registry = new PEAR_Registry($pearDir . DS . 'php');
     // initialize the configuration with the channels configuration file
     $this->_config = PEAR_Config::singleton($pearDir . DS . 'pear.ini', '-');
     // overwrite the configuration values
     $this->_config->set('auto_discover', 1);
     $this->_config->set('cache_ttl', 60);
     $this->_config->set('preferred_state', 'alpha');
     $this->_config->set('bin_dir', $pearDir);
     $this->_config->set('php_dir', $pearDir . DS . 'php');
     $this->_config->set('download_dir', $pearDir . DS . 'download');
     $this->_config->set('temp_dir', $pearDir . DS . 'temp');
     $this->_config->set('data_dir', $pearDir . DS . 'data');
     $this->_config->set('cache_dir', $pearDir . DS . 'cache');
     $this->_config->set('test_dir', $pearDir . DS . 'tests');
     $this->_config->set('doc_dir', $pearDir . DS . 'docs');
     // initialize the Magento specific settings
     foreach ($this->_config->getKeys() as $key) {
         if (!(substr($key, 0, 5) === 'mage_' && substr($key, -4) === '_dir')) {
             continue;
         }
         $this->_config->set($key, preg_replace('#^\\.#', addslashes(Mage::getBaseDir()), $this->_config->get($key)));
     }
     // set the registry
     $this->_config->setRegistry($this->_registry);
     // initialize the dependeny database
     PEAR_DependencyDB::singleton($this->_config, $pearDir . DS . 'php' . DS . '.depdb');
     // register the commands, including the one for Magento
     PEAR_Command::registerCommands(true, $pearDir . DS . 'php' . DS . 'PEAR' . DS . 'Command' . DS);
     // initialize the PEAR frontend
     PEAR_Frontend::setFrontendClass('Faett_Core_Frontend_PEAR');
     $this->_ui = PEAR_Command::getFrontendObject();
     $this->_ui->setConfig($this->_config);
     // set the callback for rendering the messages
     PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, array($this->_ui, "log"));
 }

    } else {
        $conf_name = 'pear.conf';
    }
    $default_config_dirs = array(substr(dirname(__FILE__), 0, -strlen('PEAR/PEAR')), dirname($_SERVER['SCRIPT_FILENAME']), PEAR_CONFIG_SYSCONFDIR);
    // set the default: __FILE__ without PEAR/PEAR/
    $pear_user_config = $default_config_dirs[0] . DIRECTORY_SEPARATOR . $conf_name;
    foreach ($default_config_dirs as $confdir) {
        if (file_exists($confdir . DIRECTORY_SEPARATOR . $conf_name)) {
            $pear_user_config = $confdir . DIRECTORY_SEPARATOR . $conf_name;
            break;
        }
    }
    unset($conf_name, $default_config_dirs, $confdir);
}
// moving this here allows startup messages and errors to work properly
PEAR_Frontend::setFrontendClass('PEAR_Frontend_Web');
// Init PEAR Installer Code and WebFrontend
$GLOBALS['_PEAR_Frontend_Web_config'] =& PEAR_Config::singleton($pear_user_config, '');
$config =& $GLOBALS['_PEAR_Frontend_Web_config'];
$ui =& PEAR_Command::getFrontendObject();
$ui->setConfig($config);
PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, array($ui, "displayFatalError"));
// Cient requests an Image/Stylesheet/Javascript
// outputFrontendFile() does exit()
if (isset($_GET["css"])) {
    $ui->outputFrontendFile($_GET["css"], 'css');
}
if (isset($_GET["js"])) {
    $ui->outputFrontendFile($_GET["js"], 'js');
}
if (isset($_GET["img"])) {