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