Subversion-Projekte lars-tiefland.php_share

<?php

/*

 * This file is part of the symfony package.

 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

// Remove E_STRICT from error_reporting

error_reporting(error_reporting() & ~E_STRICT);

date_default_timezone_set('UTC');

require_once 'PEAR.php';

require_once 'PEAR/Config.php';

require_once 'PEAR/Registry.php';

require_once 'PEAR/Command.php';

require_once 'PEAR/PackageFile/v2/rw.php';

require_once 'PEAR/Dependency2.php';

require_once 'PEAR/Installer.php';

/**

 * sfPearEnvironment represents a PEAR environment.

 *

 * @package    symfony

 * @subpackage plugin

 * @author     Fabien Potencier <fabien.potencier@symfony-project.com>

 * @version    SVN: $Id: sfPearEnvironment.class.php 17450 2009-04-20 17:37:49Z fabien $

 */

class sfPearEnvironment

{

  protected

    $dispatcher = null,

    $config     = null,

    $registry   = null,

    $rest       = null,

    $frontend   = null,

    $options    = array();

  /**

   * Constructs a new sfPluginManager.

   *

   * @param sfEventDispatcher $dispatcher   An event dispatcher instance

   * @param array             $options      An array of options

   */

  public function __construct(sfEventDispatcher $dispatcher, $options)

  {

    $this->initialize($dispatcher, $options);

  }

  /**

   * Initializes this sfPluginManager instance.

   *

   * Available options:

   *

   * * plugin_dir:            The directory where to put plugins

   * * cache_dir:             The local PEAR cache directory

   * * rest_base_class:       The base class for REST calls (default to sfPearRest)

   *                          (mainly used for testing)

   * * downloader_base_class: The base class for downloads (default to sfPearDownloader)

   *                          (mainly used for testing)

   *

   * @param sfEventDispatcher $dispatcher   An event dispatcher instance

   * @param array             $options      An array of options

   */

  public function initialize(sfEventDispatcher $dispatcher, $options = array())

  {

    $this->dispatcher = $dispatcher;

    // initialize options

    if (!isset($options['plugin_dir']))

    {

      throw new sfConfigurationException('You must provide a "plugin_dir" option.');

    }

    if (!isset($options['cache_dir']))

    {

      throw new sfConfigurationException('You must provide a "cache_dir" option.');

    }

    if (!is_dir($options['cache_dir']))

    {

      mkdir($options['cache_dir'], 0777, true);

    }

    if (!isset($options['rest_base_class']))

    {

      $options['rest_base_class'] = 'sfPearRest';

    }

    if (!isset($options['downloader_base_class']))

    {

      $options['downloader_base_class'] = 'sfPearDownloader';

    }

    $this->options = $options;

    // initialize some PEAR objects

    $this->initializeConfiguration($options['plugin_dir'], $options['cache_dir']);

    $this->initializeRegistry();

    $this->initializeFrontend();

    // initializes the REST object

    $this->rest = new sfPearRestPlugin($this->config, array('base_class' => $options['rest_base_class']));

    $this->rest->setChannel($this->config->get('default_channel'));

  }

  /**

   * Returns a configuration value.

   *

   * @param  string $name The configuration name

   *

   * @return mixed  The configuration value

   */

  public function getOption($name)

  {

    return isset($this->options[$name]) ? $this->options[$name] : null;

  }

  /**

   * Returns whether configuration name exists.

   *

   * @param  string $name The configuration name

   *

   * @return boolean True if configuration name exists

   */

  public function hasOption($name)

  {

    return isset($this->options[$name]);

  }

  /**

   * Sets a configuration value.

   *

   * @param string $name  The configuration name

   * @param mixed  $value The configuration value

   */

  public function setOption($name, $value)

  {

    $this->options[$name] = $value;

  }

  /**

   * Returns the PEAR Rest instance.

   *

   * @return object The PEAR Rest instance

   */

  public function getRest()

  {

    return $this->rest;

  }

  /**

   * Returns the PEAR Config instance.

   *

   * @return object The PEAR Config instance

   */

  public function getConfig()

  {

    return $this->config;

  }

  /**

   * Returns the PEAR Frontend instance.

   *

   * @return object The PEAR Frontend instance

   */

  public function getFrontend()

  {

    return $this->frontend;

  }

  /**

   * Returns the PEAR Registry instance.

   *

   * @return object The PEAR Registry instance

   */

  public function getRegistry()

  {

    return $this->registry;

  }

  /**

   * Registers a PEAR channel.

   *

   * @param string  $channel    The channel name

   * @param Boolean $isDefault  true if this is the default PEAR channel, false otherwise

   */

  public function registerChannel($channel, $isDefault = false)

  {

    $this->config->set('auto_discover', true);

    if (!$this->registry->channelExists($channel, true))

    {

      $class = $this->options['downloader_base_class'];

      $downloader = new $class($this->frontend, array(), $this->config);

      if (!$downloader->discover($channel))

      {

        throw new sfPluginException(sprintf('Unable to register channel "%s"', $channel));

      }

    }

    if ($isDefault)

    {

      $this->config->set('default_channel', $channel);

      $this->rest->setChannel($channel);

    }

  }

  /**

   * Initializes the PEAR Frontend instance.

   */

  protected function initializeFrontend()

  {

    $this->frontend = PEAR_Frontend::singleton('sfPearFrontendPlugin');

    if (PEAR::isError($this->frontend))

    {

      throw new sfPluginException(sprintf('Unable to initialize PEAR Frontend object: %s', $this->frontend->getMessage()));

    }

    $this->frontend->setEventDispatcher($this->dispatcher);

  }

  /**

   * Initializes the PEAR Registry instance.

   */

  protected function initializeRegistry()

  {

    $this->registry = $this->config->getRegistry();

    if (PEAR::isError($this->registry))

    {

      throw new sfPluginException(sprintf('Unable to initialize PEAR registry: %s', $this->registry->getMessage()));

    }

  }

  /**

   * Registers the PEAR Configuration instance.

   *

   * @param string $pluginDir   The plugin path

   * @param string $cacheDir    The cache path

   */

  public function initializeConfiguration($pluginDir, $cacheDir)

  {

    $this->config = $GLOBALS['_PEAR_Config_instance'] = new sfPearConfig();

    // change the configuration for use

    $this->config->set('php_dir',  $pluginDir);

    $this->config->set('data_dir', $pluginDir);

    $this->config->set('test_dir', $pluginDir);

    $this->config->set('doc_dir',  $pluginDir);

    $this->config->set('bin_dir',  $pluginDir);

    if($this->hasOption('preferred_state'))

    {

      $this->config->set('preferred_state', $this->getOption('preferred_state'));

    }

    // change the PEAR temp dirs

    $this->config->set('cache_dir',    $cacheDir);

    $this->config->set('download_dir', $cacheDir);

    $this->config->set('temp_dir',     $cacheDir);

    $this->config->set('verbose', 1);

  }

}