Subversion Repositories ALCASAR

Rev

Details | Last modification | View Log

Rev Author Line No. Line
2809 rexy 1 
<?php
2 
/**
3 
 * Smarty Autoloader
4 
 *
5 
 * @package Smarty
6 
 */
7 
 
8 
/**
9 
 * Smarty Autoloader
10 
 *
11 
 * @package Smarty
12 
 * @author  Uwe Tews
13 
 *             Usage:
14 
 *                  require_once '...path/Autoloader.php';
15 
 *                  Smarty_Autoloader::register();
16 
 *             or
17 
 *                  include '...path/bootstrap.php';
18 
 *
19 
 *                  $smarty = new Smarty();
20 
 */
21 
class Smarty_Autoloader
22 
{
23 
    /**
24 
     * Filepath to Smarty root
25 
     *
26 
     * @var string
27 
     */
28 
    public static $SMARTY_DIR = null;
29 
 
30 
    /**
31 
     * Filepath to Smarty internal plugins
32 
     *
33 
     * @var string
34 
     */
35 
    public static $SMARTY_SYSPLUGINS_DIR = null;
36 
 
37 
    /**
38 
     * Array with Smarty core classes and their filename
39 
     *
40 
     * @var array
41 
     */
42 
    public static $rootClasses = array('smarty' => 'Smarty.class.php', 'smartybc' => 'SmartyBC.class.php',);
43 
 
44 
    /**
45 
     * Registers Smarty_Autoloader backward compatible to older installations.
46 
     *
47 
     * @param bool $prepend Whether to prepend the autoloader or not.
48 
     */
49 
    public static function registerBC($prepend = false)
50 
    {
51 
        /**
52 
         * register the class autoloader
53 
         */
54 
        if (!defined('SMARTY_SPL_AUTOLOAD')) {
55 
            define('SMARTY_SPL_AUTOLOAD', 0);
56 
        }
57 
        if (SMARTY_SPL_AUTOLOAD
58 
            && set_include_path(get_include_path() . PATH_SEPARATOR . SMARTY_SYSPLUGINS_DIR) !== false
59 
        ) {
60 
            $registeredAutoLoadFunctions = spl_autoload_functions();
61 
            if (!isset($registeredAutoLoadFunctions[ 'spl_autoload' ])) {
62 
                spl_autoload_register();
63 
            }
64 
        } else {
65 
            self::register($prepend);
66 
        }
67 
    }
68 
 
69 
    /**
70 
     * Registers Smarty_Autoloader as an SPL autoloader.
71 
     *
72 
     * @param bool $prepend Whether to prepend the autoloader or not.
73 
     */
74 
    public static function register($prepend = false)
75 
    {
76 
        self::$SMARTY_DIR = defined('SMARTY_DIR') ? SMARTY_DIR : dirname(__FILE__) . DIRECTORY_SEPARATOR;
77 
        self::$SMARTY_SYSPLUGINS_DIR = defined('SMARTY_SYSPLUGINS_DIR') ? SMARTY_SYSPLUGINS_DIR :
78 
            self::$SMARTY_DIR . 'sysplugins' . DIRECTORY_SEPARATOR;
79 
        if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
80 
            spl_autoload_register(array(__CLASS__, 'autoload'), true, $prepend);
81 
        } else {
82 
            spl_autoload_register(array(__CLASS__, 'autoload'));
83 
        }
84 
    }
85 
 
86 
    /**
87 
     * Handles auto loading of classes.
88 
     *
89 
     * @param string $class A class name.
90 
     */
91 
    public static function autoload($class)
92 
    {
93 
        if ($class[ 0 ] !== 'S' || strpos($class, 'Smarty') !== 0) {
94 
            return;
95 
        }
96 
        $_class = strtolower($class);
97 
        if (isset(self::$rootClasses[ $_class ])) {
98 
            $file = self::$SMARTY_DIR . self::$rootClasses[ $_class ];
99 
            if (is_file($file)) {
100 
                include $file;
101 
            }
102 
        } else {
103 
            $file = self::$SMARTY_SYSPLUGINS_DIR . $_class . '.php';
104 
            if (is_file($file)) {
105 
                include $file;
106 
            }
107 
        }
108 
        return;
109 
    }
110 
}