Commit | Line | Data |
---|---|---|
e586807d H |
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 | ?> |