#!/usr/bin/php5
<?php

/* Function to include all class_ files starting at a given directory base */
function get_classes($folder= ".")
{
  static $base_dir= "";
  static $result= array();

  if ($base_dir == ""){
    $base_dir= getcwd();
  }

  $currdir=getcwd();
  if ($folder){
    chdir("$folder");
  }

  $dh = opendir(".");
  while(false !== ($file = readdir($dh))){

    if (preg_match("/.*\.svn.*/", $file) ||
        preg_match("/.*smarty.*/i",$file) ||
        preg_match("/.*\.tpl.*/",$file) ||
        ($file==".") ||($file =="..")){
      continue;
    }

    /* Recurse through all "common" directories */
    if (is_dir($file)){
      get_classes($file);
      continue;
    }

    /* Only take care about .inc and .php files... */
    if (!(preg_match('/\.php$/', $file) || preg_match('/\.inc$/', $file))){
      continue;
    }

    /* Include existing class_ files */
    $contents= file($file);
    foreach($contents as $line){
      $line= chop($line);
      if (preg_match('/^\s*class\s*\w.*$/', $line)){
        $class= preg_replace('/^\s*class\s*(\w+).*$/', '\1', $line);
        $result[$class]= preg_replace("%$base_dir/%", "", "$currdir/$folder/$file");
      }
      if (preg_match('/^\s*abstract\s*class\s*\w.*$/', $line)){
        $class= preg_replace('/^\s*abstract\s*class\s*(\w+).*$/', '\1', $line);
        $result[$class]= preg_replace("%$base_dir/%", "", "$currdir/$folder/$file");
      }
      if (preg_match('/^\s*interface\s*\w.*$/', $line)){
        $class= preg_replace('/^\s*interface\s*(\w+).*$/', '\1', $line);
        $result[$class]= preg_replace("%$base_dir/%", "", "$currdir/$folder/$file");
      }
    }
  }

  closedir($dh);
  chdir($currdir);

  return ($result);
}

$class_mapping= get_classes();
$filename= "include/autoload-data.inc";

/* Sanity checks */
if (is_writable($filename)) {

    if (!$handle= fopen($filename, 'w')) {
         echo "Cannot open file \"$filename\" - aborted\n";
         exit (1);
    }

} else {
    echo "File \"$filename\" is not writable - aborted\n";
    exit (2);
}

fwrite ($handle, "<?php\n\$class_mapping= array(\n");
foreach ($class_mapping as $key => $value){
  fwrite ($handle, "                \"$key\" => \"$value\",\n");
}
fwrite ($handle, ");\n?>");

fclose($handle);

?>