1. sfCompileConfigHandler.class.php
  2. /**
 * sfCompileConfigHandler gathers multiple files and puts them into a single file.
 * Upon creation of the new file, all comments and blank lines are removed.
 *
 * @package    symfony
 * @subpackage config
 * @author     Fabien Potencier 
 * @author     Sean Kerr 
 * @version    SVN: $Id: sfCompileConfigHandler.class.php 23810 2009-11-12 11:07:44Z Kris.Wallsmith $
 */
  3. class sfCompileConfigHandler extends sfYamlConfigHandler
  4. {
  5.   /**
  6.    * Executes this configuration handler.
  7.    *
  8.    * @param array $configFiles An array of absolute filesystem path to a configuration file
  9.    *
  10.    * @return string Data to be written to a cache file
  11.    *
  12.    * @throws sfConfigurationException If a requested configuration file does not exist or is not readable
  13.    * @throws sfParseException If a requested configuration file is improperly formatted
  14.    */
  15.   public function execute($configFiles)
  16.   {
  17.     // parse the yaml
  18.     $config = self::getConfiguration($configFiles);
  20.     // init our data
  21.     $data = '';
  23.     // let's do our fancy work
  24.     foreach ($config as $file)
  25.     {
  26.       if (!is_readable($file))
  27.       {
  28.         // file doesn't exist
  29.         throw new sfParseException(sprintf('Configuration file "%s" specifies nonexistent or unreadable file "%s".', $configFiles[0], $file));
  30.       }
  32.       $contents = file_get_contents($file);
  34.       // strip comments (not in debug mode)
  35.       if (!sfConfig::get('sf_debug'))
  36.       {
  37.         $contents = sfToolkit::stripComments($contents);
  38.       }
  40.       // insert configuration files
  41. /*      $contents = preg_replace_callback(array('#(require|include)(_once)?\((sfContext::getInstance\(\)\->getConfigCache\(\)|\$configCache)->checkConfig\(\'config/([^\']+)\'\)\);#m',
  42.                                           '#()()(sfContext::getInstance\(\)\->getConfigCache\(\)|\$configCache)->import\(\'config/([^\']+)\'(, false)?\);#m'),
  43.                                         array($this, 'insertConfigFileCallback'), $contents);
  44. */
  45.       // strip php tags
  46.       $contents = sfToolkit::pregtr($contents, array('/^\s*<\?(php)?/m' => '',
  47.                                                      '/^\s*\?>/m'       => ''));
  49.       // replace windows and mac format with unix format
  50.       $contents = str_replace("\r", "\n", $contents);
  52.       // replace multiple new lines with a single newline
  53.       $contents = preg_replace(array('/\s+$/Sm', '/\n+/S'), "\n", $contents);
  55.       // append file data
  56.       $data .= "\n".$contents;
  57.     }
  59.     // compile data
  60.     $retval = sprintf("<?php\n".
  61.                       "// auto-generated by sfCompileConfigHandler\n".
  62.                       "// date: %s\n%s\n",
  63.                       date('Y/m/d H:i:s'), $data);
  65.     return $retval;
  66.   }
  68.   /**
  69.    * Callback for configuration file insertion in the cache.
  70.    *
  71.    */
  72.   protected function insertConfigFileCallback($matches)
  73.   {
  74.     $configFile = 'config/'.$matches[4];
  76.     $configCache = sfContext::getInstance()->getConfigCache();
  77.     $configCache->checkConfig($configFile);
  79.     $config = "// '$configFile' config file\n".file_get_contents($configCache->getCacheName($configFile));
  81.     return $config;
  82.   }
  84.   /**
  85.    * @see sfConfigHandler
  86.    */
  87.   static public function getConfiguration(array $configFiles)
  88.   {
  89.     $config = array();
  90.     foreach ($configFiles as $configFile)
  91.     {
  92.       $config = array_merge($config, self::parseYaml($configFile));
  93.     }
  95.     return self::replacePath(self::replaceConstants($config));
  96.   }
  97. }
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