library/smarty/libs/sysplugins/smarty_internal_compile_private_print_expression.php
new file mode 100644
--- /dev/null
+++ b/library/smarty/libs/sysplugins/smarty_internal_compile_private_print_expression.php
@@ -0,0 +1,148 @@
+<?php
+/**
+ * Smarty Internal Plugin Compile Print Expression
+ * Compiles any tag which will output an expression or variable
+ *
+ * @package Smarty
+ * @subpackage Compiler
+ * @author Uwe Tews
+ */
+
+/**
+ * Smarty Internal Plugin Compile Print Expression Class
+ *
+ * @package Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Private_Print_Expression extends Smarty_Internal_CompileBase {
+ /**
+ * Attribute definition: Overwrites base class.
+ *
+ * @var array
+ * @see Smarty_Internal_CompileBase
+ */
+ public $optional_attributes = array('assign');
+ /**
+ * Attribute definition: Overwrites base class.
+ *
+ * @var array
+ * @see Smarty_Internal_CompileBase
+ */
+ public $option_flags = array('nocache', 'nofilter');
+
+ /**
+ * Compiles code for generating output from any expression
+ *
+ * @param array $args array with attributes from parser
+ * @param object $compiler compiler object
+ * @param array $parameter array with compilation parameter
+ *
+ * @throws SmartyException
+ * @return string compiled code
+ */
+ public function compile($args, $compiler, $parameter) {
+ // check and get attributes
+ $_attr = $this->getAttributes($compiler, $args);
+ // nocache option
+ if ($_attr['nocache'] === true) {
+ $compiler->tag_nocache = true;
+ }
+ if (isset($_attr['assign'])) {
+ // assign output to variable
+ $output = "<?php \$_smarty_tpl->assign({$_attr['assign']},{$parameter['value']});?>";
+ } else {
+ // display value
+ $output = $parameter['value'];
+ // tag modifier
+ if (!empty($parameter['modifierlist'])) {
+ $output = $compiler->compileTag('private_modifier', array(), array('modifierlist' => $parameter['modifierlist'], 'value' => $output));
+ }
+ if (!$_attr['nofilter']) {
+ // default modifier
+ if (!empty($compiler->smarty->default_modifiers)) {
+ if (empty($compiler->default_modifier_list)) {
+ $modifierlist = array();
+ foreach ($compiler->smarty->default_modifiers as $key => $single_default_modifier) {
+ preg_match_all('/(\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'|"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|:|[^:]+)/', $single_default_modifier, $mod_array);
+ for ($i = 0, $count = count($mod_array[0]); $i < $count; $i++) {
+ if ($mod_array[0][$i] != ':') {
+ $modifierlist[$key][] = $mod_array[0][$i];
+ }
+ }
+ }
+ $compiler->default_modifier_list = $modifierlist;
+ }
+ $output = $compiler->compileTag('private_modifier', array(), array('modifierlist' => $compiler->default_modifier_list, 'value' => $output));
+ }
+ // autoescape html
+ if ($compiler->template->smarty->escape_html) {
+ $output = "htmlspecialchars({$output}, ENT_QUOTES, '" . addslashes(Smarty::$_CHARSET) . "')";
+ }
+ // loop over registered filters
+ if (!empty($compiler->template->smarty->registered_filters[Smarty::FILTER_VARIABLE])) {
+ foreach ($compiler->template->smarty->registered_filters[Smarty::FILTER_VARIABLE] as $key => $function) {
+ if (!is_array($function)) {
+ $output = "{$function}({$output},\$_smarty_tpl)";
+ } elseif (is_object($function[0])) {
+ $output = "\$_smarty_tpl->smarty->registered_filters[Smarty::FILTER_VARIABLE]['{$key}'][0]->{$function[1]}({$output},\$_smarty_tpl)";
+ } else {
+ $output = "{$function[0]}::{$function[1]}({$output},\$_smarty_tpl)";
+ }
+ }
+ }
+ // auto loaded filters
+ if (isset($compiler->smarty->autoload_filters[Smarty::FILTER_VARIABLE])) {
+ foreach ((array)$compiler->template->smarty->autoload_filters[Smarty::FILTER_VARIABLE] as $name) {
+ $result = $this->compile_output_filter($compiler, $name, $output);
+ if ($result !== false) {
+ $output = $result;
+ } else {
+ // not found, throw exception
+ throw new SmartyException("Unable to load filter '{$name}'");
+ }
+ }
+ }
+ if (isset($compiler->template->variable_filters)) {
+ foreach ($compiler->template->variable_filters as $filter) {
+ if (count($filter) == 1 && ($result = $this->compile_output_filter($compiler, $filter[0], $output)) !== false) {
+ $output = $result;
+ } else {
+ $output = $compiler->compileTag('private_modifier', array(), array('modifierlist' => array($filter), 'value' => $output));
+ }
+ }
+ }
+ }
+
+ $compiler->has_output = true;
+ $output = "<?php echo {$output};?>";
+ }
+
+ return $output;
+ }
+
+ /**
+ * @param object $compiler compiler object
+ * @param string $name name of variable filter
+ * @param string $output embedded output
+ *
+ * @return string
+ */
+ private function compile_output_filter($compiler, $name, $output) {
+ $plugin_name = "smarty_variablefilter_{$name}";
+ $path = $compiler->smarty->loadPlugin($plugin_name, false);
+ if ($path) {
+ if ($compiler->template->caching) {
+ $compiler->template->required_plugins['nocache'][$name][Smarty::FILTER_VARIABLE]['file'] = $path;
+ $compiler->template->required_plugins['nocache'][$name][Smarty::FILTER_VARIABLE]['function'] = $plugin_name;
+ } else {
+ $compiler->template->required_plugins['compiled'][$name][Smarty::FILTER_VARIABLE]['file'] = $path;
+ $compiler->template->required_plugins['compiled'][$name][Smarty::FILTER_VARIABLE]['function'] = $plugin_name;
+ }
+ } else {
+ // not found
+ return false;
+ }
+
+ return "{$plugin_name}({$output},\$_smarty_tpl)";
+ }
+}