<?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;
}
}
}