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<?php
/**
* Smarty Internal Plugin Data
*
* This file contains the basic classes and methodes for template and variable creation
*
* @package Smarty
* @subpackage Templates
* @author Uwe Tews
*/
/**
* Base class with template and variable methodes
*/
class Smarty_Internal_Data {
// class used for templates
public $template_class = 'Smarty_Internal_Template';
/**
* 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
* @param boolean $scope the scope the variable will have (local,parent or root)
*/
public function assign($tpl_var, $value = null, $nocache = false, $scope = SMARTY_LOCAL_SCOPE)
{
if (is_array($tpl_var)) {
foreach ($tpl_var as $_key => $_val) {
if ($_key != '') {
$this->tpl_vars[$_key] = new Smarty_variable($_val, $nocache, $scope);
}
}
} else {
if ($tpl_var != '') {
$this->tpl_vars[$tpl_var] = new Smarty_variable($value, $nocache, $scope);
}
}
}
/**
* assigns a global Smarty variable
*
* @param string $varname the global variable name
* @param mixed $value the value to assign
* @param boolean $nocache if true any output of this variable will be not cached
*/
public function assignGlobal($varname, $value = null, $nocache = false)
{
if ($varname != '') {
$this->smarty->global_tpl_vars[$varname] = new Smarty_variable($value, $nocache);
}
}
/**
* assigns values to template variables by reference
*
* @param string $tpl_var the template variable name
* @param mixed $ &$value the referenced value to assign
* @param boolean $nocache if true any output of this variable will be not cached
* @param boolean $scope the scope the variable will have (local,parent or root)
*/
public function assignByRef($tpl_var, &$value, $nocache = false, $scope = SMARTY_LOCAL_SCOPE)
{
if ($tpl_var != '') {
$this->tpl_vars[$tpl_var] = new Smarty_variable(null, $nocache, $scope);
$this->tpl_vars[$tpl_var]->value = &$value;
}
}
/**
* wrapper function for Smarty 2 BC
*
* @param string $tpl_var the template variable name
* @param mixed $ &$value the referenced value to assign
* @param boolean $nocache if true any output of this variable will be not cached
* @param boolean $scope the scope the variable will have (local,parent or root)
*/
public function assign_by_ref($tpl_var, &$value, $nocache = false, $scope = SMARTY_LOCAL_SCOPE)
{
trigger_error("function call 'assign_by_ref' is unknown or deprecated, use 'assignByRef'", E_USER_NOTICE);
$this->assignByRef($tpl_var, $value, $nocache, $scope);
}
/**
* 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
* @param boolean $scope the scope the variable will have (local,parent or root)
*/
public function append($tpl_var, $value = null, $merge = false, $nocache = false, $scope = SMARTY_LOCAL_SCOPE)
{
if (is_array($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 Undefined_Smarty_Variable) {
$this->tpl_vars[$_key] = new Smarty_variable(null, $nocache, $scope);
} else {
$this->tpl_vars[$_key] = clone $tpl_var_inst;
if ($scope != SMARTY_LOCAL_SCOPE) {
$this->tpl_vars[$_key]->scope = $scope;
}
}
}
if (!(is_array($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 Undefined_Smarty_Variable) {
$this->tpl_vars[$tpl_var] = new Smarty_variable(null, $nocache, $scope);
} else {
$this->tpl_vars[$tpl_var] = clone $tpl_var_inst;
if ($scope != SMARTY_LOCAL_SCOPE) {
$this->tpl_vars[$tpl_var]->scope = $scope;
}
}
}
if (!(is_array($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;
}
}
}
}
/**
* 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 $merge flag if array elements shall be merged
*/
public function appendByRef($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;
}
}
}
/**
* wrapper function for Smarty 2 BC
*
* @param string $tpl_var the template variable name
* @param mixed $ &$value the referenced value to append
* @param boolean $merge flag if array elements shall be merged
*/
public function append_by_ref($tpl_var, &$value, $merge = false)
{
trigger_error("function call 'append_by_ref' is unknown or deprecated, use 'appendByRef'", E_USER_NOTICE);
$this->appendByRef($tpl_var, $value, $merge);
}
/**
* Returns a single or all template variables
*
* @param string $varname variable name or null
* @return string variable value or or array of variables
*/
function getTemplateVars($varname = null, $_ptr = null, $search_parents = true)
{
if (isset($varname)) {
$_var = $this->getVariable($varname, $_ptr, $search_parents);
if (is_object($_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) {
$_result[$key] = $var->value;
}
// not found, try at parent
if ($search_parents) {
$_ptr = $_ptr->parent;
} else {
$_ptr = null;
}
}
if ($search_parents && isset($this->global_tpl_vars)) {
foreach ($this->global_tpl_vars AS $key => $var) {
$_result[$key] = $var->value;
}
}
return $_result;
}
}
/**
* clear the given assigned template variable.
*
* @param string $ |array $tpl_var the template variable(s) to clear
*/
public function clearAssign($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]);
}
}
/**
* clear all the assigned template variables.
*/
public function clearAllAssign()
{
$this->tpl_vars = array();
}
/**
* load a config file, optionally load just selected sections
*
* @param string $config_file filename
* @param mixed $sections array of section names, single section or null
*/
public function configLoad($config_file, $sections = null)
{
// load Config class
$config = new Smarty_Internal_Config($config_file, $this->smarty);
$config->loadConfigVars($sections, $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 $search_parents search also in parent data
* @return object the object of the variable
*/
public function getVariable($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 {
$_ptr = null;
}
}
if (isset($this->smarty->global_tpl_vars[$variable])) {
// found it, return it
return $this->smarty->global_tpl_vars[$variable];
}
if ($this->smarty->error_unassigned && $error_enable) {
throw new Exception('Undefined Smarty variable "' . $variable . '"');
} else {
return new Undefined_Smarty_Variable;
}
}
/**
* gets a config variable
*
* @param string $variable the name of the config variable
* @return mixed the value of the config variable
*/
public function getConfigVariable($variable)
{
$_ptr = $this;
while ($_ptr !== null) {
if (isset($_ptr->config_vars[$variable])) {
// found it, return it
return $_ptr->config_vars[$variable];
}
// not found, try at parent
$_ptr = $_ptr->parent;
}
if ($this->smarty->error_unassigned) {
throw new Exception('Undefined config variable "' . $variable . '"');
} else {
return '';
}
}
/**
* gets a stream variable
*
* @param string $variable the stream of the variable
* @return mixed the value of the stream variable
*/
public function getStreamVariable($variable)
{
$_result = '';
if ($fp = fopen($variable, 'r+')) {
while (!feof($fp)) {
$_result .= fgets($fp);
}
fclose($fp);
return $_result;
}
if ($this->smarty->$error_unassigned) {
throw new Exception('Undefined stream variable "' . $variable . '"');
} else {
return '';
}
}
/**
* Returns a single or all config variables
*
* @param string $varname variable name or null
* @return string variable value or or array of variables
*/
function getConfigVars($varname = null)
{
if (isset($varname)) {
if (isset($this->config_vars[$varname])) {
return $this->config_vars[$varname];
} else {
return '';
}
} else {
return $this->config_vars;
}
}
/**
* Deassigns a single or all config variables
*
* @param string $varname variable name or null
*/
function clearConfig($varname = null)
{
if (isset($varname)) {
unset($this->config_vars[$varname]);
return;
} else {
$this->config_vars = array();
return;
}
}
}
/**
* class for the Smarty data object
*
* The Smarty data object will hold Smarty variables in the current scope
*
* @param object $parent tpl_vars next higher level of Smarty variables
*/
class Smarty_Data extends Smarty_Internal_Data {
// array of variable objects
public $tpl_vars = array();
// back pointer to parent object
public $parent = null;
// config vars
public $config_vars = array();
// Smarty object
public $smarty = null;
/**
* create Smarty data object
*/
public function __construct ($_parent = null, $smarty = null)
{
$this->smarty = $smarty;
if (is_object($_parent)) {
// when object set up back pointer
$this->parent = $_parent;
} elseif (is_array($_parent)) {
// set up variable values
foreach ($_parent as $_key => $_val) {
$this->tpl_vars[$_key] = new Smarty_variable($_val);
}
} elseif ($_parent != null) {
throw new Exception("Wrong type for template variables");
}
}
}
/**
* class for the Smarty variable object
*
* This class defines the Smarty variable object
*/
class Smarty_Variable {
// template variable
public $value;
public $nocache;
public $scope;
/**
* create Smarty variable object
*
* @param mixed $value the value to assign
* @param boolean $nocache if true any output of this variable will be not cached
* @param boolean $scope the scope the variable will have (local,parent or root)
*/
public function __construct ($value = null, $nocache = false, $scope = SMARTY_LOCAL_SCOPE)
{
$this->value = $value;
$this->nocache = $nocache;
$this->scope = $scope;
}
public function __toString ()
{
return $this->value;
}
}
/**
* class for undefined variable object
*
* This class defines an object for undefined variable handling
*/
class Undefined_Smarty_Variable {
// return always false
public function __get ($name)
{
if ($name == 'nocache') {
return false;
} else {
return null;
}
}
}
?>
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