| 2809 |
rexy |
1 |
<?php
|
|
|
2 |
|
|
|
3 |
/**
|
|
|
4 |
* Smarty Extension Loadplugin
|
|
|
5 |
*
|
|
|
6 |
* $smarty->loadPlugin() method
|
|
|
7 |
*
|
|
|
8 |
* @package Smarty
|
|
|
9 |
* @subpackage PluginsInternal
|
|
|
10 |
* @author Uwe Tews
|
|
|
11 |
*/
|
|
|
12 |
class Smarty_Internal_Method_LoadPlugin
|
|
|
13 |
{
|
|
|
14 |
/**
|
|
|
15 |
* Cache of searched plugin files
|
|
|
16 |
*
|
|
|
17 |
* @var array
|
|
|
18 |
*/
|
|
|
19 |
public $plugin_files = array();
|
|
|
20 |
|
|
|
21 |
/**
|
|
|
22 |
* Takes unknown classes and loads plugin files for them
|
|
|
23 |
* class name format: Smarty_PluginType_PluginName
|
|
|
24 |
* plugin filename format: plugintype.pluginname.php
|
|
|
25 |
*
|
|
|
26 |
* @param \Smarty $smarty
|
|
|
27 |
* @param string $plugin_name class plugin name to load
|
|
|
28 |
* @param bool $check check if already loaded
|
|
|
29 |
*
|
|
|
30 |
* @return bool|string
|
|
|
31 |
* @throws \SmartyException
|
|
|
32 |
*/
|
|
|
33 |
public function loadPlugin(Smarty $smarty, $plugin_name, $check)
|
|
|
34 |
{
|
|
|
35 |
// if function or class exists, exit silently (already loaded)
|
|
|
36 |
if ($check && (is_callable($plugin_name) || class_exists($plugin_name, false))) {
|
|
|
37 |
return true;
|
|
|
38 |
}
|
|
|
39 |
if (!preg_match('#^smarty_((internal)|([^_]+))_(.+)$#i', $plugin_name, $match)) {
|
|
|
40 |
throw new SmartyException("plugin {$plugin_name} is not a valid name format");
|
|
|
41 |
}
|
|
|
42 |
if (!empty($match[ 2 ])) {
|
|
|
43 |
$file = SMARTY_SYSPLUGINS_DIR . strtolower($plugin_name) . '.php';
|
|
|
44 |
if (isset($this->plugin_files[ $file ])) {
|
|
|
45 |
if ($this->plugin_files[ $file ] !== false) {
|
|
|
46 |
return $this->plugin_files[ $file ];
|
|
|
47 |
} else {
|
|
|
48 |
return false;
|
|
|
49 |
}
|
|
|
50 |
} else {
|
|
|
51 |
if (is_file($file)) {
|
|
|
52 |
$this->plugin_files[ $file ] = $file;
|
|
|
53 |
include_once $file;
|
|
|
54 |
return $file;
|
|
|
55 |
} else {
|
|
|
56 |
$this->plugin_files[ $file ] = false;
|
|
|
57 |
return false;
|
|
|
58 |
}
|
|
|
59 |
}
|
|
|
60 |
}
|
|
|
61 |
// plugin filename is expected to be: [type].[name].php
|
|
|
62 |
$_plugin_filename = "{$match[1]}.{$match[4]}.php";
|
|
|
63 |
$_lower_filename = strtolower($_plugin_filename);
|
|
|
64 |
if (isset($this->plugin_files)) {
|
|
|
65 |
if (isset($this->plugin_files[ 'plugins_dir' ][ $_lower_filename ])) {
|
|
|
66 |
if (!$smarty->use_include_path || $this->plugin_files[ 'plugins_dir' ][ $_lower_filename ] !== false) {
|
|
|
67 |
return $this->plugin_files[ 'plugins_dir' ][ $_lower_filename ];
|
|
|
68 |
}
|
|
|
69 |
}
|
|
|
70 |
if (!$smarty->use_include_path || $smarty->ext->_getIncludePath->isNewIncludePath($smarty)) {
|
|
|
71 |
unset($this->plugin_files[ 'include_path' ]);
|
|
|
72 |
} else {
|
|
|
73 |
if (isset($this->plugin_files[ 'include_path' ][ $_lower_filename ])) {
|
|
|
74 |
return $this->plugin_files[ 'include_path' ][ $_lower_filename ];
|
|
|
75 |
}
|
|
|
76 |
}
|
|
|
77 |
}
|
|
|
78 |
$_file_names = array($_plugin_filename);
|
|
|
79 |
if ($_lower_filename !== $_plugin_filename) {
|
|
|
80 |
$_file_names[] = $_lower_filename;
|
|
|
81 |
}
|
|
|
82 |
$_p_dirs = $smarty->getPluginsDir();
|
|
|
83 |
if (!isset($this->plugin_files[ 'plugins_dir' ][ $_lower_filename ])) {
|
|
|
84 |
// loop through plugin dirs and find the plugin
|
|
|
85 |
foreach ($_p_dirs as $_plugin_dir) {
|
|
|
86 |
foreach ($_file_names as $name) {
|
|
|
87 |
$file = $_plugin_dir . $name;
|
|
|
88 |
if (is_file($file)) {
|
|
|
89 |
$this->plugin_files[ 'plugins_dir' ][ $_lower_filename ] = $file;
|
|
|
90 |
include_once $file;
|
|
|
91 |
return $file;
|
|
|
92 |
}
|
|
|
93 |
$this->plugin_files[ 'plugins_dir' ][ $_lower_filename ] = false;
|
|
|
94 |
}
|
|
|
95 |
}
|
|
|
96 |
}
|
|
|
97 |
if ($smarty->use_include_path) {
|
|
|
98 |
foreach ($_file_names as $_file_name) {
|
|
|
99 |
// try PHP include_path
|
|
|
100 |
$file = $smarty->ext->_getIncludePath->getIncludePath($_p_dirs, $_file_name, $smarty);
|
|
|
101 |
$this->plugin_files[ 'include_path' ][ $_lower_filename ] = $file;
|
|
|
102 |
if ($file !== false) {
|
|
|
103 |
include_once $file;
|
|
|
104 |
return $file;
|
|
|
105 |
}
|
|
|
106 |
}
|
|
|
107 |
}
|
|
|
108 |
// no plugin loaded
|
|
|
109 |
return false;
|
|
|
110 |
}
|
|
|
111 |
}
|