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   1  <?php
   2  
   3  namespace Httpful;
   4  
   5  /**
   6   * Bootstrap class that facilitates autoloading.  A naive
   7   * PSR-0 autoloader.
   8   *
   9   * @author Nate Good <[email protected]>
  10   */
  11  class Bootstrap
  12  {
  13  
  14      const DIR_GLUE = DIRECTORY_SEPARATOR;
  15      const NS_GLUE = '\\';
  16  
  17      public static $registered = false;
  18  
  19      /**
  20       * Register the autoloader and any other setup needed
  21       */
  22      public static function init()
  23      {
  24          spl_autoload_register(array('\Httpful\Bootstrap', 'autoload'));
  25          self::registerHandlers();
  26      }
  27  
  28      /**
  29       * The autoload magic (PSR-0 style)
  30       *
  31       * @param string $classname
  32       */
  33      public static function autoload($classname)
  34      {
  35          self::_autoload(dirname(dirname(__FILE__)), $classname);
  36      }
  37  
  38      /**
  39       * Register the autoloader and any other setup needed
  40       */
  41      public static function pharInit()
  42      {
  43          spl_autoload_register(array('\Httpful\Bootstrap', 'pharAutoload'));
  44          self::registerHandlers();
  45      }
  46  
  47      /**
  48       * Phar specific autoloader
  49       *
  50       * @param string $classname
  51       */
  52      public static function pharAutoload($classname)
  53      {
  54          self::_autoload('phar://httpful.phar', $classname);
  55      }
  56  
  57      /**
  58       * @param string base
  59       * @param string classname
  60       */
  61      private static function _autoload($base, $classname)
  62      {
  63          $parts      = explode(self::NS_GLUE, $classname);
  64          $path       = $base . self::DIR_GLUE . implode(self::DIR_GLUE, $parts) . '.php';
  65  
  66          if (file_exists($path)) {
  67              require_once($path);
  68          }
  69      }
  70      /**
  71       * Register default mime handlers.  Is idempotent.
  72       */
  73      public static function registerHandlers()
  74      {
  75          if (self::$registered === true) {
  76              return;
  77          }
  78  
  79          // @todo check a conf file to load from that instead of
  80          // hardcoding into the library?
  81          $handlers = array(
  82              \Httpful\Mime::JSON => new \Httpful\Handlers\JsonHandler(),
  83              \Httpful\Mime::XML  => new \Httpful\Handlers\XmlHandler(),
  84              \Httpful\Mime::FORM => new \Httpful\Handlers\FormHandler(),
  85              \Httpful\Mime::CSV  => new \Httpful\Handlers\CsvHandler(),
  86          );
  87  
  88          foreach ($handlers as $mime => $handler) {
  89              // Don't overwrite if the handler has already been registered
  90              if (Httpful::hasParserRegistered($mime))
  91                  continue;
  92              Httpful::register($mime, $handler);
  93          }
  94  
  95          self::$registered = true;
  96      }
  97  }