1 : <?php
2 :
3 : /**
4 : * Smarty Internal Plugin Compile Modifier
5 : *
6 : * Compiles code for modifier execution
7 : *
8 : * @package Smarty
9 : * @subpackage Compiler
10 : * @author Uwe Tews
11 : */
12 :
13 : /**
14 : * Smarty Internal Plugin Compile Modifier Class
15 : *
16 : * @package Smarty
17 : * @subpackage Compiler
18 : */
19 : class Smarty_Internal_Compile_Private_Modifier extends Smarty_Internal_CompileBase {
20 :
21 : /**
22 : * Compiles code for modifier execution
23 : *
24 : * @param array $args array with attributes from parser
25 : * @param object $compiler compiler object
26 : * @param array $parameter array with compilation parameter
27 : * @return string compiled code
28 : */
29 : public function compile($args, $compiler, $parameter)
30 : {
31 : // check and get attributes
32 0 : $_attr = $this->getAttributes($compiler, $args);
33 0 : $output = $parameter['value'];
34 : // loop over list of modifiers
35 0 : foreach ($parameter['modifierlist'] as $single_modifier) {
36 0 : $modifier = $single_modifier[0];
37 0 : $single_modifier[0] = $output;
38 0 : $params = implode(',', $single_modifier);
39 : // check for registered modifier
40 0 : if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][$modifier])) {
41 0 : $function = $compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][$modifier][0];
42 0 : if (!is_array($function)) {
43 0 : $output = "{$function}({$params})";
44 0 : } else {
45 0 : if (is_object($function[0])) {
46 0 : $output = '$_smarty_tpl->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][\'' . $modifier . '\'][0][0]->' . $function[1] . '(' . $params . ')';
47 0 : } else {
48 0 : $output = $function[0] . '::' . $function[1] . '(' . $params . ')';
49 : }
50 : }
51 0 : } else if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIERCOMPILER][$modifier][0])) {
52 0 : $output = call_user_func($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIERCOMPILER][$modifier][0], $single_modifier, $compiler->smarty);
53 : // check for plugin modifiercompiler
54 0 : } else if ($compiler->smarty->loadPlugin('smarty_modifiercompiler_' . $modifier)) {
55 : // check if modifier allowed
56 0 : if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler)) {
57 0 : $plugin = 'smarty_modifiercompiler_' . $modifier;
58 0 : $output = $plugin($single_modifier, $compiler);
59 0 : }
60 : // check for plugin modifier
61 0 : } else if ($function = $compiler->getPlugin($modifier, Smarty::PLUGIN_MODIFIER)) {
62 : // check if modifier allowed
63 0 : if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler)) {
64 0 : $output = "{$function}({$params})";
65 0 : }
66 : // check if trusted PHP function
67 0 : } else if (is_callable($modifier)) {
68 : // check if modifier allowed
69 0 : if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedPhpModifier($modifier, $compiler)) {
70 0 : $output = "{$modifier}({$params})";
71 0 : }
72 0 : } else {
73 0 : $compiler->trigger_template_error("unknown modifier \"" . $modifier . "\"", $compiler->lex->taglineno);
74 : }
75 0 : }
76 0 : return $output;
77 : }
78 :
79 : }
80 :
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