symfony search task

sfSearchTask.class.php

<?php

class sfSearchTask extends sfCommandApplicationTask
{
  /**
   * @see sfTask
   */
  protected function configure()
  {
    $this->addArguments(array(
      new sfCommandArgument('search', sfCommandArgument::REQUIRED, 'Search query'),
    ));

    $this->addOptions(array(
      new sfCommandOption('verbose', null, sfCommandOption::PARAMETER_NONE, 'To output tasks help as well'),
    ));

    $this->briefDescription = 'Search task';
  }

  /**
   * @see sfTask
   */
  protected function execute($arguments = array(), $options = array())
  {
    $tasks = array();
    $width = 0;
    
    $searchWords = explode('*', trim($arguments['search'], '*'));
    
    foreach ($this->commandApplication->getTasks() as $name => $task)
    {
      if ($name != $task->getFullName())
      {
        // it is an alias
        continue;
      }
      
      $words = array(
        $task->getNamespace(),
        $task->getFullName(),
        $task->getBriefDescription(),
      );
      $words = array_merge($words, $task->getAliases());
      
      $globalFound = true;
      foreach ($searchWords as $searchWord)
      {
        $found = false;
        foreach ($words as $word)
        {
          if (false !== stripos($word, $searchWord))
          {
            $found = true;
            break;
          }
        }
        if (!$found)
        {
          $globalFound = false;
          break;
        }
      }
      
      if (!$globalFound)
      {
        continue;
      }
      
      $width = max($width, strlen($task->getFullName()));
      $tasks[] = $task;
    }

    $width += strlen($this->formatter->format('  ', 'INFO'));
    
    if (count($tasks))
    {
      $withHelp = $options['verbose'];
      
      $this->log($this->formatter->format(sprintf("Available tasks for the \"%s\" search:", $arguments['search']), 'COMMENT'));
      
      $helpTask = new sfHelpTask($this->dispatcher, $this->formatter);
      $helpTask->setCommandApplication($this->commandApplication);
      
      foreach ($tasks as $task)
      {
        $aliases = $task->getAliases() ? $this->formatter->format(' ('.implode(', ', $task->getAliases()).')', 'COMMENT') : '';
        $this->log(sprintf("  %-${width}s %s%s", $this->formatter->format($task->getFullName(), 'INFO'), $task->getBriefDescription(), $aliases));
        
        if ($withHelp)
        {
          $helpTask->run(array($task->getFullName()));
        }
      }
      return 0;
    }
    else
    {
      $this->log('404 Not Found');
      return 1;
    }
  }
}