XOOPS 2.5.6  Final
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core.load_plugins.php
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1 <?php
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 ?>