[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3  * Autoload debugging
   4  *
   5  * The internal __autoload() function of the shell-wrapper has two hooks.
   6  * The first is called before the include is done, the second afterwards.
   7  *
   8  * we use it to track the order the includes are handled. That makes it 
   9  * easier to find implicit dependency problems.
  10  *
  11  * :set autoloaddebug = on
  12  * :set autoloaddebug = off
  13  *
  14  * the depth functions track the recursive depth of the includes. The
  15  * wrapper uses it to print the dots at the beginning of the line.
  16  */
  17  class PHP_Shell_Extensions_AutoloadDebug implements PHP_Shell_Extension {
  18      /**
  19      * is the extenion enabled
  20      *
  21      * @var bool
  22      */
  23      protected $autoload_debug = false;
  24  
  25      /**
  26      * recursive depth of the includes
  27      *
  28      * @var int
  29      */
  30      protected $autoload_depth = 0;
  31  
  32      public function register() {
  33          $opt = PHP_Shell_Options::getInstance();
  34          $opt->registerOption('autoloaddebug', $this, 'optSetAutoloadDebug');
  35      }
  36  
  37      /**
  38      * handle the autoloaddebug flag
  39      *
  40      * @param string  
  41      */
  42      public function optSetAutoloadDebug($key, $value) {
  43          switch ($value) {
  44          case "enable":
  45          case "1":
  46          case "on":
  47              $this->autoload_debug = true;
  48              break;
  49          case "disable":
  50          case "0":
  51          case "off":
  52              $this->autoload_debug = false;
  53              break;
  54          default:
  55              printf(":set %s failed, unknown value. Use :set %s = (on|off)", $key, $key);
  56              return;
  57          }
  58  
  59      }
  60  
  61      /**
  62      * is the autoload-debug flag set ?
  63      *
  64      * @return bool true if debug is enabled
  65      */
  66      public function isAutoloadDebug() {
  67          return $this->autoload_debug;
  68      }
  69  
  70      /**
  71      * increment the depth counter
  72      */
  73      public function incAutoloadDepth() {
  74          return $this->autoload_depth++;
  75      }
  76      
  77      /**
  78      * decrement the depth counter
  79      */
  80      public function decAutoloadDepth() {
  81          return --$this->autoload_depth;
  82      }
  83  }
  84