1 | <?php |
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2 | |
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3 | /** |
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4 | * Smarty Internal Plugin Compile Modifier |
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5 | * |
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6 | * Compiles code for modifier execution |
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7 | * |
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8 | * @package Smarty |
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9 | * @subpackage Compiler |
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10 | * @author Uwe Tews |
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11 | */ |
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12 | |
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13 | /** |
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14 | * Smarty Internal Plugin Compile Modifier Class |
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15 | * |
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16 | * @package Smarty |
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17 | * @subpackage Compiler |
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18 | */ |
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19 | class Smarty_Internal_Compile_Private_Modifier extends Smarty_Internal_CompileBase { |
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20 | |
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21 | /** |
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22 | * Compiles code for modifier execution |
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23 | * |
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24 | * @param array $args array with attributes from parser |
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25 | * @param object $compiler compiler object |
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26 | * @param array $parameter array with compilation parameter |
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27 | * @return string compiled code |
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28 | */ |
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29 | public function compile($args, $compiler, $parameter) { |
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30 | // check and get attributes |
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31 | $_attr = $this->getAttributes($compiler, $args); |
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32 | $output = $parameter['value']; |
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33 | // loop over list of modifiers |
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34 | foreach ($parameter['modifierlist'] as $single_modifier) { |
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35 | $modifier = $single_modifier[0]; |
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36 | $single_modifier[0] = $output; |
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37 | $params = implode(',', $single_modifier); |
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38 | // check if we know already the type of modifier |
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39 | if (isset($compiler->known_modifier_type[$modifier])) { |
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40 | $modifier_types = array($compiler->known_modifier_type[$modifier]); |
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41 | } else { |
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42 | $modifier_types = array(1, 2, 3, 4, 5, 6); |
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43 | } |
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44 | foreach ($modifier_types as $type) { |
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45 | switch ($type) { |
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46 | case 1: |
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47 | // registered modifier |
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48 | if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][$modifier])) { |
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49 | $function = $compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][$modifier][0]; |
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50 | if (!is_array($function)) { |
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51 | $output = "{$function}({$params})"; |
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52 | } else { |
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53 | if (is_object($function[0])) { |
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54 | $output = '$_smarty_tpl->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][\'' . $modifier . '\'][0][0]->' . $function[1] . '(' . $params . ')'; |
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55 | } else { |
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56 | $output = $function[0] . '::' . $function[1] . '(' . $params . ')'; |
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57 | } |
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58 | } |
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59 | $compiler->known_modifier_type[$modifier] = $type; |
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60 | break 2; |
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61 | } |
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62 | break; |
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63 | case 2: |
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64 | // registered modifier compiler |
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65 | if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIERCOMPILER][$modifier][0])) { |
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66 | $output = call_user_func($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIERCOMPILER][$modifier][0], $single_modifier, $compiler->smarty); |
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67 | $compiler->known_modifier_type[$modifier] = $type; |
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68 | break 2; |
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69 | } |
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70 | break; |
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71 | case 3: |
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72 | // modifiercompiler plugin |
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73 | if ($compiler->smarty->loadPlugin('smarty_modifiercompiler_' . $modifier)) { |
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74 | // check if modifier allowed |
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75 | if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler)) { |
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76 | $plugin = 'smarty_modifiercompiler_' . $modifier; |
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77 | $output = $plugin($single_modifier, $compiler); |
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78 | } |
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79 | $compiler->known_modifier_type[$modifier] = $type; |
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80 | break 2; |
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81 | } |
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82 | break; |
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83 | case 4: |
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84 | // modifier plugin |
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85 | if ($function = $compiler->getPlugin($modifier, Smarty::PLUGIN_MODIFIER)) { |
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86 | // check if modifier allowed |
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87 | if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler)) { |
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88 | $output = "{$function}({$params})"; |
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89 | } |
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90 | $compiler->known_modifier_type[$modifier] = $type; |
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91 | break 2; |
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92 | } |
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93 | break; |
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94 | case 5: |
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95 | // PHP function |
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96 | if (is_callable($modifier)) { |
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97 | // check if modifier allowed |
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98 | if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedPhpModifier($modifier, $compiler)) { |
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99 | $output = "{$modifier}({$params})"; |
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100 | } |
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101 | $compiler->known_modifier_type[$modifier] = $type; |
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102 | break 2; |
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103 | } |
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104 | break; |
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105 | case 6: |
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106 | // default plugin handler |
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107 | if (isset($compiler->default_handler_plugins[Smarty::PLUGIN_MODIFIER][$modifier]) || (is_callable($compiler->smarty->default_plugin_handler_func) && $compiler->getPluginFromDefaultHandler($modifier, Smarty::PLUGIN_MODIFIER))) { |
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108 | $function = $compiler->default_handler_plugins[Smarty::PLUGIN_MODIFIER][$modifier][0]; |
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109 | // check if modifier allowed |
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110 | if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler)) { |
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111 | if (!is_array($function)) { |
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112 | $output = "{$function}({$params})"; |
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113 | } else { |
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114 | if (is_object($function[0])) { |
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115 | $output = '$_smarty_tpl->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][\'' . $modifier . '\'][0][0]->' . $function[1] . '(' . $params . ')'; |
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116 | } else { |
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117 | $output = $function[0] . '::' . $function[1] . '(' . $params . ')'; |
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118 | } |
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119 | } |
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120 | } |
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121 | if (isset($compiler->template->required_plugins['nocache'][$modifier][Smarty::PLUGIN_MODIFIER]['file']) || isset($compiler->template->required_plugins['compiled'][$modifier][Smarty::PLUGIN_MODIFIER]['file'])) { |
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122 | // was a plugin |
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123 | $compiler->known_modifier_type[$modifier] = 4; |
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124 | } else { |
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125 | $compiler->known_modifier_type[$modifier] = $type; |
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126 | } |
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127 | break 2; |
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128 | } |
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129 | } |
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130 | } |
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131 | if (!isset($compiler->known_modifier_type[$modifier])) { |
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132 | $compiler->trigger_template_error("unknown modifier \"" . $modifier . "\"", $compiler->lex->taglineno); |
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133 | } |
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134 | } |
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135 | return $output; |
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136 | } |
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137 | |
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138 | } |
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139 | |
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140 | ?> |
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