1. sfAutoloadConfigHandler.class.php
  2. /**
 *
 * @package    symfony
 * @subpackage config
 * @author     Fabien Potencier 
 * @author     Sean Kerr 
 * @version    SVN: $Id: sfAutoloadConfigHandler.class.php 24062 2009-11-16 23:31:25Z FabianLange $
 */
  3. class sfAutoloadConfigHandler 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.     // set our required categories list and initialize our handler
  18.     $this->initialize(array('required_categories' => array('autoload')));
  20.     $data = array();
  21.     foreach ($this->parse($configFiles) as $name => $mapping)
  22.     {
  23.       $data[] = sprintf("\n  // %s", $name);
  25.       foreach ($mapping as $class => $file)
  26.       {
  27.         $data[] = sprintf("  '%s' => '%s',", $class, str_replace('\\', '\\\\', $file));
  28.       }
  29.     }
  31.     // compile data
  32.     return sprintf("<?php\n".
  33.                       "// auto-generated by sfAutoloadConfigHandler\n".
  34.                       "// date: %s\nreturn array(\n%s\n);\n",
  35.                       date('Y/m/d H:i:s'), implode("\n", $data));
  36.   }
  38.   public function evaluate($configFiles)
  39.   {
  40.     $mappings = array();
  41.     foreach ($this->parse($configFiles) as $mapping)
  42.     {
  43.       foreach ($mapping as $class => $file)
  44.       {
  45.         $mappings[$class] = $file;
  46.       }
  47.     }
  49.     return $mappings;
  50.   }
  52.   protected function parse(array $configFiles)
  53.   {
  54.     // parse the yaml
  55.     $config = self::getConfiguration($configFiles);
  57.     $mappings = array();
  58.     foreach ($config['autoload'] as $name => $entry)
  59.     {
  60.       $mapping = array();
  62.       // file mapping or directory mapping?
  63.       if (isset($entry['files']))
  64.       {
  65.         // file mapping
  66.         foreach ($entry['files'] as $class => $file)
  67.         {
  68.           $mapping[strtolower($class)] = $file;
  69.         }
  70.       }
  71.       else
  72.       {
  73.         // directory mapping
  74.         $ext  = isset($entry['ext']) ? $entry['ext'] : '.php';
  75.         $path = $entry['path'];
  77.         // we automatically add our php classes
  78.         require_once(sfConfig::get('sf_symfony_lib_dir').'/util/sfFinder.class.php');
  79.         $finder = sfFinder::type('file')->name('*'.$ext)->follow_link();
  81.         // recursive mapping?
  82.         $recursive = isset($entry['recursive']) ? $entry['recursive'] : false;
  83.         if (!$recursive)
  84.         {
  85.           $finder->maxdepth(0);
  86.         }
  88.         // exclude files or directories?
  89.         if (isset($entry['exclude']) && is_array($entry['exclude']))
  90.         {
  91.           $finder->prune($entry['exclude'])->discard($entry['exclude']);
  92.         }
  94.         if ($matches = glob($path))
  95.         {
  96.           foreach ($finder->in($matches) as $file)
  97.           {
  98.             $mapping = array_merge($mapping, $this->parseFile($path, $file, isset($entry['prefix']) ? $entry['prefix'] : ''));
  99.           }
  100.         }
  101.       }
  103.       $mappings[$name] = $mapping;
  104.     }
  106.     return $mappings;
  107.   }
  109.   static public function parseFile($path, $file, $prefix)
  110.   {
  111.     $mapping = array();
  112.     preg_match_all('~^\s*(?:abstract\s+|final\s+)?(?:class|interface)\s+(\w+)~mi', file_get_contents($file), $classes);
  113.     foreach ($classes[1] as $class)
  114.     {
  115.       $localPrefix = '';
  116.       if ($prefix)
  117.       {
  118.         // FIXME: does not work for plugins installed with a symlink
  119.         preg_match('~^'.str_replace('\*', '(.+?)', preg_quote(str_replace('/', DIRECTORY_SEPARATOR, $path), '~')).'~', str_replace('/', DIRECTORY_SEPARATOR, $file), $match);
  120.         if (isset($match[$prefix]))
  121.         {
  122.           $localPrefix = $match[$prefix].'/';
  123.         }
  124.       }
  126.       $mapping[$localPrefix.strtolower($class)] = $file;
  127.     }
  129.     return $mapping;
  130.   }
  132.   /**
  133.    * @see sfConfigHandler
  134.    */
  135.   static public function getConfiguration(array $configFiles)
  136.   {
  137.     $configuration = sfProjectConfiguration::getActive();
  139.     $pluginPaths = $configuration->getPluginPaths();
  140.     $pluginConfigFiles = array();
  142.     // move plugin files to front
  143.     foreach ($configFiles as $i => $configFile)
  144.     {
  145.       $configFilePath = str_replace(DIRECTORY_SEPARATOR, '/', $configFile);
  146.       $path = str_replace(DIRECTORY_SEPARATOR, '/', realpath(join('/', array_slice(explode('/', $configFilePath), 0, -2))));
  147.       if (in_array($path, $pluginPaths))
  148.       {
  149.         $pluginConfigFiles[] = $configFile;
  150.         unset($configFiles[$i]);
  151.       }
  152.     }
  154.     $configFiles = array_merge($pluginConfigFiles, $configFiles);
  156.     $config = self::replaceConstants(self::parseYamls($configFiles));
  158.     foreach ($config['autoload'] as $name => $values)
  159.     {
  160.       if (isset($values['path']))
  161.       {
  162.         $config['autoload'][$name]['path'] = self::replacePath($values['path']);
  163.       }
  164.     }
  166.     $event = $configuration->getEventDispatcher()->filter(new sfEvent(__CLASS__, 'autoload.filter_config'), $config);
  167.     $config = $event->getReturnValue();
  169.     return $config;
  170.   }
  171. }
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