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<?php
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/**
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* Smarty Internal Plugin Compile Modifier
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*
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* Compiles code for modifier execution
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*
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* @package Smarty
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* @subpackage Compiler
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* @author Uwe Tews
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*/
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/**
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* Smarty Internal Plugin Compile Modifier Class
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*
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* @package Smarty
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* @subpackage Compiler
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*/
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class Smarty_Internal_Compile_Private_Modifier extends Smarty_Internal_CompileBase {
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/**
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* Compiles code for modifier execution
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*
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* @param array $args array with attributes from parser
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* @param object $compiler compiler object
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* @param array $parameter array with compilation parameter
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* @return string compiled code
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*/
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public function compile($args, $compiler, $parameter) {
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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$output = $parameter['value'];
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// loop over list of modifiers
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foreach ($parameter['modifierlist'] as $single_modifier) {
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$modifier = $single_modifier[0];
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$single_modifier[0] = $output;
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$params = implode(',', $single_modifier);
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// check if we know already the type of modifier
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if (isset($compiler->known_modifier_type[$modifier])) {
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$modifier_types = array($compiler->known_modifier_type[$modifier]);
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} else {
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$modifier_types = array(1, 2, 3, 4, 5, 6);
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}
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foreach ($modifier_types as $type) {
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switch ($type) {
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case 1:
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// registered modifier
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if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][$modifier])) {
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$function = $compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][$modifier][0];
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if (!is_array($function)) {
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$output = "{$function}({$params})";
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} else {
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if (is_object($function[0])) {
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$output = '$_smarty_tpl->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][\'' . $modifier . '\'][0][0]->' . $function[1] . '(' . $params . ')';
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} else {
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$output = $function[0] . '::' . $function[1] . '(' . $params . ')';
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}
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}
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$compiler->known_modifier_type[$modifier] = $type;
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break 2;
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}
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break;
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case 2:
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// registered modifier compiler
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if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIERCOMPILER][$modifier][0])) {
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$output = call_user_func($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIERCOMPILER][$modifier][0], $single_modifier, $compiler->smarty);
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$compiler->known_modifier_type[$modifier] = $type;
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break 2;
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}
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break;
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case 3:
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// modifiercompiler plugin
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if ($compiler->smarty->loadPlugin('smarty_modifiercompiler_' . $modifier)) {
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// check if modifier allowed
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if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler)) {
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$plugin = 'smarty_modifiercompiler_' . $modifier;
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$output = $plugin($single_modifier, $compiler);
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}
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$compiler->known_modifier_type[$modifier] = $type;
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break 2;
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}
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break;
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case 4:
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// modifier plugin
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if ($function = $compiler->getPlugin($modifier, Smarty::PLUGIN_MODIFIER)) {
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// check if modifier allowed
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if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler)) {
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$output = "{$function}({$params})";
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}
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$compiler->known_modifier_type[$modifier] = $type;
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break 2;
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}
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break;
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case 5:
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// PHP function
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if (is_callable($modifier)) {
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// check if modifier allowed
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if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedPhpModifier($modifier, $compiler)) {
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$output = "{$modifier}({$params})";
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}
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$compiler->known_modifier_type[$modifier] = $type;
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break 2;
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}
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break;
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case 6:
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// default plugin handler
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if (isset($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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$function = $compiler->default_handler_plugins[Smarty::PLUGIN_MODIFIER][$modifier][0];
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// check if modifier allowed
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if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler)) {
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if (!is_array($function)) {
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$output = "{$function}({$params})";
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} else {
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if (is_object($function[0])) {
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$output = '$_smarty_tpl->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][\'' . $modifier . '\'][0][0]->' . $function[1] . '(' . $params . ')';
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} else {
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$output = $function[0] . '::' . $function[1] . '(' . $params . ')';
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}
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}
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}
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if (isset($compiler->template->required_plugins['nocache'][$modifier][Smarty::PLUGIN_MODIFIER]['file']) || isset($compiler->template->required_plugins['compiled'][$modifier][Smarty::PLUGIN_MODIFIER]['file'])) {
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// was a plugin
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$compiler->known_modifier_type[$modifier] = 4;
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} else {
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$compiler->known_modifier_type[$modifier] = $type;
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}
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break 2;
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}
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}
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}
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if (!isset($compiler->known_modifier_type[$modifier])) {
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$compiler->trigger_template_error("unknown modifier \"" . $modifier . "\"", $compiler->lex->taglineno);
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}
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}
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return $output;
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}
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}
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?> |