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<?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 \Smarty_Internal_TemplateCompilerBase $compiler compiler object
* @param array $parameter array with compilation parameter
*
* @return string compiled code
* @throws \SmartyCompilerException
* @throws \SmartyException
*/
public function compile($args, Smarty_Internal_TemplateCompilerBase $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) {
/* @var string $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 ][ $modifier ])) {
if (is_callable($compiler->smarty->registered_plugins[ Smarty::PLUGIN_MODIFIER ][ $modifier ][ 0 ])) {
$output =
sprintf(
'call_user_func_array($_smarty_tpl->registered_plugins[ \'%s\' ][ %s ][ 0 ], array( %s ))',
Smarty::PLUGIN_MODIFIER,
var_export($modifier, true),
$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 = $function[ 0 ] . '->' . $function[ 1 ] . '(' . $params . ')';
} else {
$output = $function[ 0 ] . '::' . $function[ 1 ] . '(' . $params . ')';
}
}
}
if (isset($compiler->required_plugins[ 'nocache' ][ $modifier ][ Smarty::PLUGIN_MODIFIER ][ 'file' ])
||
isset($compiler->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}'", null, true);
}
}
return $output;
}
}