new file mode 100644
--- /dev/null
+++ b/library/smarty/libs/sysplugins/smarty_internal_data.php
@@ -0,0 +1,389 @@
+<?php
+/**
+ * Smarty Internal Plugin Data
+ * This file contains the basic classes and methods for template and variable creation
+ *
+ * @package Smarty
+ * @subpackage Template
+ * @author Uwe Tews
+ */
+
+/**
+ * Base class with template and variable methods
+ *
+ * @package Smarty
+ * @subpackage Template
+ */
+class Smarty_Internal_Data {
+ /**
+ * name of class used for templates
+ *
+ * @var string
+ */
+ public $template_class = 'Smarty_Internal_Template';
+ /**
+ * template variables
+ *
+ * @var array
+ */
+ public $tpl_vars = array();
+ /**
+ * parent template (if any)
+ *
+ * @var Smarty_Internal_Template
+ */
+ public $parent = null;
+ /**
+ * configuration settings
+ *
+ * @var array
+ */
+ public $config_vars = array();
+
+ /**
+ * assigns a Smarty variable
+ *
+ * @param array|string $tpl_var the template variable name(s)
+ * @param mixed $value the value to assign
+ * @param boolean $nocache if true any output of this variable will be not cached
+ *
+ * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
+ */
+ public function assign($tpl_var, $value = null, $nocache = false) {
+ if (is_array($tpl_var)) {
+ foreach ($tpl_var as $_key => $_val) {
+ if ($_key != '') {
+ $this->tpl_vars[$_key] = new Smarty_Variable($_val, $nocache);
+ }
+ }
+ } else {
+ if ($tpl_var != '') {
+ $this->tpl_vars[$tpl_var] = new Smarty_Variable($value, $nocache);
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * assigns a global Smarty variable
+ *
+ * @param string $varname the global variable name
+ * @param mixed $value the value to assign
+ * @param boolean $nocache if true any output of this variable will be not cached
+ *
+ * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
+ */
+ public function assignGlobal($varname, $value = null, $nocache = false) {
+ if ($varname != '') {
+ Smarty::$global_tpl_vars[$varname] = new Smarty_Variable($value, $nocache);
+ $ptr = $this;
+ while ($ptr instanceof Smarty_Internal_Template) {
+ $ptr->tpl_vars[$varname] = clone Smarty::$global_tpl_vars[$varname];
+ $ptr = $ptr->parent;
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * assigns values to template variables by reference
+ *
+ * @param string $tpl_var the template variable name
+ * @param $value
+ * @param boolean $nocache if true any output of this variable will be not cached
+ *
+ * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
+ */
+ public function assignByRef($tpl_var, &$value, $nocache = false) {
+ if ($tpl_var != '') {
+ $this->tpl_vars[$tpl_var] = new Smarty_Variable(null, $nocache);
+ $this->tpl_vars[$tpl_var]->value = &$value;
+ }
+
+ return $this;
+ }
+
+ /**
+ * appends values to template variables
+ *
+ * @param array|string $tpl_var the template variable name(s)
+ * @param mixed $value the value to append
+ * @param boolean $merge flag if array elements shall be merged
+ * @param boolean $nocache if true any output of this variable will be not cached
+ *
+ * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
+ */
+ public function append($tpl_var, $value = null, $merge = false, $nocache = false) {
+ if (is_array($tpl_var)) {
+ // $tpl_var is an array, ignore $value
+ foreach ($tpl_var as $_key => $_val) {
+ if ($_key != '') {
+ if (!isset($this->tpl_vars[$_key])) {
+ $tpl_var_inst = $this->getVariable($_key, null, true, false);
+ if ($tpl_var_inst instanceof Smarty_Undefined_Variable) {
+ $this->tpl_vars[$_key] = new Smarty_Variable(null, $nocache);
+ } else {
+ $this->tpl_vars[$_key] = clone $tpl_var_inst;
+ }
+ }
+ if (!(is_array($this->tpl_vars[$_key]->value) || $this->tpl_vars[$_key]->value instanceof ArrayAccess)) {
+ settype($this->tpl_vars[$_key]->value, 'array');
+ }
+ if ($merge && is_array($_val)) {
+ foreach ($_val as $_mkey => $_mval) {
+ $this->tpl_vars[$_key]->value[$_mkey] = $_mval;
+ }
+ } else {
+ $this->tpl_vars[$_key]->value[] = $_val;
+ }
+ }
+ }
+ } else {
+ if ($tpl_var != '' && isset($value)) {
+ if (!isset($this->tpl_vars[$tpl_var])) {
+ $tpl_var_inst = $this->getVariable($tpl_var, null, true, false);
+ if ($tpl_var_inst instanceof Smarty_Undefined_Variable) {
+ $this->tpl_vars[$tpl_var] = new Smarty_Variable(null, $nocache);
+ } else {
+ $this->tpl_vars[$tpl_var] = clone $tpl_var_inst;
+ }
+ }
+ if (!(is_array($this->tpl_vars[$tpl_var]->value) || $this->tpl_vars[$tpl_var]->value instanceof ArrayAccess)) {
+ settype($this->tpl_vars[$tpl_var]->value, 'array');
+ }
+ if ($merge && is_array($value)) {
+ foreach ($value as $_mkey => $_mval) {
+ $this->tpl_vars[$tpl_var]->value[$_mkey] = $_mval;
+ }
+ } else {
+ $this->tpl_vars[$tpl_var]->value[] = $value;
+ }
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * appends values to template variables by reference
+ *
+ * @param string $tpl_var the template variable name
+ * @param mixed &$value the referenced value to append
+ * @param boolean $merge flag if array elements shall be merged
+ *
+ * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
+ */
+ public function appendByRef($tpl_var, &$value, $merge = false) {
+ if ($tpl_var != '' && isset($value)) {
+ if (!isset($this->tpl_vars[$tpl_var])) {
+ $this->tpl_vars[$tpl_var] = new Smarty_Variable();
+ }
+ if (!is_array($this->tpl_vars[$tpl_var]->value)) {
+ settype($this->tpl_vars[$tpl_var]->value, 'array');
+ }
+ if ($merge && is_array($value)) {
+ foreach ($value as $_key => $_val) {
+ $this->tpl_vars[$tpl_var]->value[$_key] = &$value[$_key];
+ }
+ } else {
+ $this->tpl_vars[$tpl_var]->value[] = &$value;
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * Returns a single or all template variables
+ *
+ * @param string $varname variable name or null
+ * @param object $_ptr optional pointer to data object
+ * @param boolean $search_parents include parent templates?
+ *
+ * @return string variable value or or array of variables
+ */
+ public function getTemplateVars($varname = null, $_ptr = null, $search_parents = true) {
+ if (isset($varname)) {
+ $_var = $this->getVariable($varname, $_ptr, $search_parents, false);
+ if (is_object($_var)) {
+ return $_var->value;
+ } else {
+ return null;
+ }
+ } else {
+ $_result = array();
+ if ($_ptr === null) {
+ $_ptr = $this;
+ }
+ while ($_ptr !== null) {
+ foreach ($_ptr->tpl_vars AS $key => $var) {
+ if (!array_key_exists($key, $_result)) {
+ $_result[$key] = $var->value;
+ }
+ }
+ // not found, try at parent
+ if ($search_parents) {
+ $_ptr = $_ptr->parent;
+ } else {
+ $_ptr = null;
+ }
+ }
+ if ($search_parents && isset(Smarty::$global_tpl_vars)) {
+ foreach (Smarty::$global_tpl_vars AS $key => $var) {
+ if (!array_key_exists($key, $_result)) {
+ $_result[$key] = $var->value;
+ }
+ }
+ }
+
+ return $_result;
+ }
+ }
+
+ /**
+ * clear the given assigned template variable.
+ *
+ * @param string|array $tpl_var the template variable(s) to clear
+ *
+ * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
+ */
+ public function clearAssign($tpl_var) {
+ if (is_array($tpl_var)) {
+ foreach ($tpl_var as $curr_var) {
+ unset($this->tpl_vars[$curr_var]);
+ }
+ } else {
+ unset($this->tpl_vars[$tpl_var]);
+ }
+
+ return $this;
+ }
+
+ /**
+ * clear all the assigned template variables.
+ *
+ * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
+ */
+ public function clearAllAssign() {
+ $this->tpl_vars = array();
+
+ return $this;
+ }
+
+ /**
+ * load a config file, optionally load just selected sections
+ *
+ * @param string $config_file filename
+ * @param mixed $sections array of section names, single section or null
+ *
+ * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
+ */
+ public function configLoad($config_file, $sections = null) {
+ // load Config class
+ Smarty_Internal_Extension_Config::configLoad($this, $config_file, $sections);
+ return $this;
+ }
+
+ /**
+ * gets the object of a Smarty variable
+ *
+ * @param string $variable the name of the Smarty variable
+ * @param object $_ptr optional pointer to data object
+ * @param boolean $search_parents search also in parent data
+ * @param bool $error_enable
+ *
+ * @return object the object of the variable
+ */
+ public function getVariable($variable, $_ptr = null, $search_parents = true, $error_enable = true) {
+ if ($_ptr === null) {
+ $_ptr = $this;
+ }
+ while ($_ptr !== null) {
+ if (isset($_ptr->tpl_vars[$variable])) {
+ // found it, return it
+ return $_ptr->tpl_vars[$variable];
+ }
+ // not found, try at parent
+ if ($search_parents) {
+ $_ptr = $_ptr->parent;
+ } else {
+ $_ptr = null;
+ }
+ }
+ if (isset(Smarty::$global_tpl_vars[$variable])) {
+ // found it, return it
+ return Smarty::$global_tpl_vars[$variable];
+ }
+ $smarty = isset($this->smarty) ? $this->smarty : $this;
+ if ($smarty->error_unassigned && $error_enable) {
+ // force a notice
+ $x = $$variable;
+ }
+
+ return new Smarty_Undefined_Variable;
+ }
+
+ /**
+ * gets a config variable
+ *
+ * @param string $variable the name of the config variable
+ * @param bool $error_enable
+ *
+ * @return mixed the value of the config variable
+ */
+ public function getConfigVariable($variable, $error_enable = true) {
+ return Smarty_Internal_Extension_Config::getConfigVariable($this, $variable, $error_enable = true);
+ }
+
+ /**
+ * Returns a single or all config variables
+ *
+ * @param string $varname variable name or null
+ * @param bool $search_parents
+ *
+ * @return string variable value or or array of variables
+ */
+ public function getConfigVars($varname = null, $search_parents = true) {
+ return Smarty_Internal_Extension_Config::getConfigVars($this, $varname, $search_parents);
+ }
+
+ /**
+ * Deassigns a single or all config variables
+ *
+ * @param string $varname variable name or null
+ *
+ * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
+ */
+ public function clearConfig($varname = null) {
+ return Smarty_Internal_Extension_Config::clearConfig($this, $varname);
+ }
+
+ /**
+ * gets a stream variable
+ *
+ * @param string $variable the stream of the variable
+ *
+ * @throws SmartyException
+ * @return mixed the value of the stream variable
+ */
+ public function getStreamVariable($variable) {
+ $_result = '';
+ $fp = fopen($variable, 'r+');
+ if ($fp) {
+ while (!feof($fp) && ($current_line = fgets($fp)) !== false) {
+ $_result .= $current_line;
+ }
+ fclose($fp);
+
+ return $_result;
+ }
+ $smarty = isset($this->smarty) ? $this->smarty : $this;
+ if ($smarty->error_unassigned) {
+ throw new SmartyException('Undefined stream variable "' . $variable . '"');
+ } else {
+ return null;
+ }
+ }
+}