|
1 <?php |
|
2 /** |
|
3 * Smarty plugin |
|
4 * @package Smarty |
|
5 * @subpackage plugins |
|
6 */ |
|
7 |
|
8 /** |
|
9 * Load requested plugins |
|
10 * |
|
11 * @param array $plugins |
|
12 */ |
|
13 |
|
14 // $plugins |
|
15 |
|
16 function smarty_core_load_plugins($params, &$smarty) |
|
17 { |
|
18 |
|
19 foreach ($params['plugins'] as $_plugin_info) { |
|
20 list($_type, $_name, $_tpl_file, $_tpl_line, $_delayed_loading) = $_plugin_info; |
|
21 $_plugin = &$smarty->_plugins[$_type][$_name]; |
|
22 |
|
23 /* |
|
24 * We do not load plugin more than once for each instance of Smarty. |
|
25 * The following code checks for that. The plugin can also be |
|
26 * registered dynamically at runtime, in which case template file |
|
27 * and line number will be unknown, so we fill them in. |
|
28 * |
|
29 * The final element of the info array is a flag that indicates |
|
30 * whether the dynamically registered plugin function has been |
|
31 * checked for existence yet or not. |
|
32 */ |
|
33 if (isset($_plugin)) { |
|
34 if (empty($_plugin[3])) { |
|
35 if (!is_callable($_plugin[0])) { |
|
36 $smarty->_trigger_fatal_error("[plugin] $_type '$_name' is not implemented", $_tpl_file, $_tpl_line, __FILE__, __LINE__); |
|
37 } else { |
|
38 $_plugin[1] = $_tpl_file; |
|
39 $_plugin[2] = $_tpl_line; |
|
40 $_plugin[3] = true; |
|
41 if (!isset($_plugin[4])) $_plugin[4] = true; /* cacheable */ |
|
42 } |
|
43 } |
|
44 continue; |
|
45 } else if ($_type == 'insert') { |
|
46 /* |
|
47 * For backwards compatibility, we check for insert functions in |
|
48 * the symbol table before trying to load them as a plugin. |
|
49 */ |
|
50 $_plugin_func = 'insert_' . $_name; |
|
51 if (function_exists($_plugin_func)) { |
|
52 $_plugin = array($_plugin_func, $_tpl_file, $_tpl_line, true, false); |
|
53 continue; |
|
54 } |
|
55 } |
|
56 |
|
57 $_plugin_file = $smarty->_get_plugin_filepath($_type, $_name); |
|
58 |
|
59 if (! $_found = ($_plugin_file != false)) { |
|
60 $_message = "could not load plugin file '$_type.$_name.php'\n"; |
|
61 } |
|
62 |
|
63 /* |
|
64 * If plugin file is found, it -must- provide the properly named |
|
65 * plugin function. In case it doesn't, simply output the error and |
|
66 * do not fall back on any other method. |
|
67 */ |
|
68 if ($_found) { |
|
69 include_once $_plugin_file; |
|
70 |
|
71 $_plugin_func = 'smarty_' . $_type . '_' . $_name; |
|
72 if (!function_exists($_plugin_func)) { |
|
73 $smarty->_trigger_fatal_error("[plugin] function $_plugin_func() not found in $_plugin_file", $_tpl_file, $_tpl_line, __FILE__, __LINE__); |
|
74 continue; |
|
75 } |
|
76 } |
|
77 /* |
|
78 * In case of insert plugins, their code may be loaded later via |
|
79 * 'script' attribute. |
|
80 */ |
|
81 else if ($_type == 'insert' && $_delayed_loading) { |
|
82 $_plugin_func = 'smarty_' . $_type . '_' . $_name; |
|
83 $_found = true; |
|
84 } |
|
85 |
|
86 /* |
|
87 * Plugin specific processing and error checking. |
|
88 */ |
|
89 if (!$_found) { |
|
90 if ($_type == 'modifier') { |
|
91 /* |
|
92 * In case modifier falls back on using PHP functions |
|
93 * directly, we only allow those specified in the security |
|
94 * context. |
|
95 */ |
|
96 if ($smarty->security && !in_array($_name, $smarty->security_settings['MODIFIER_FUNCS'])) { |
|
97 $_message = "(secure mode) modifier '$_name' is not allowed"; |
|
98 } else { |
|
99 if (!function_exists($_name)) { |
|
100 $_message = "modifier '$_name' is not implemented"; |
|
101 } else { |
|
102 $_plugin_func = $_name; |
|
103 $_found = true; |
|
104 } |
|
105 } |
|
106 } else if ($_type == 'function') { |
|
107 /* |
|
108 * This is a catch-all situation. |
|
109 */ |
|
110 $_message = "unknown tag - '$_name'"; |
|
111 } |
|
112 } |
|
113 |
|
114 if ($_found) { |
|
115 $smarty->_plugins[$_type][$_name] = array($_plugin_func, $_tpl_file, $_tpl_line, true, true); |
|
116 } else { |
|
117 // output error |
|
118 $smarty->_trigger_fatal_error('[plugin] ' . $_message, $_tpl_file, $_tpl_line, __FILE__, __LINE__); |
|
119 } |
|
120 } |
|
121 } |
|
122 |
|
123 /* vim: set expandtab: */ |
|
124 |
|
125 ?> |