432 lines
14 KiB
PHP
432 lines
14 KiB
PHP
|
<?php
|
||
|
|
||
|
/**
|
||
|
* Smarty Internal Plugin TemplateBase
|
||
|
*
|
||
|
* 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_TemplateBase {
|
||
|
// 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 != '') {
|
||
|
$this->check_tplvar($_key);
|
||
|
$this->tpl_vars[$_key] = new Smarty_variable($_val, $nocache, $scope);
|
||
|
}
|
||
|
}
|
||
|
} else {
|
||
|
if ($tpl_var != '') {
|
||
|
$this->check_tplvar($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 $nocache if true any output of this variable will be not cached
|
||
|
*/
|
||
|
public function assign_global($varname, $value = null, $nocache = false)
|
||
|
{
|
||
|
if ($varname != '') {
|
||
|
$this->check_tplvar($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 $scope the scope the variable will have (local,parent or root)
|
||
|
*/
|
||
|
public function assign_by_ref($tpl_var, &$value, $nocache = false, $scope = SMARTY_LOCAL_SCOPE)
|
||
|
{
|
||
|
if ($tpl_var != '') {
|
||
|
$this->check_tplvar($tpl_var);
|
||
|
$this->tpl_vars[$tpl_var] = new Smarty_variable(null, $nocache, $scope);
|
||
|
$this->tpl_vars[$tpl_var]->value = &$value;
|
||
|
}
|
||
|
}
|
||
|
/**
|
||
|
* 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])) {
|
||
|
$this->check_tplvar($_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])) {
|
||
|
$this->check_tplvar($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 $merge flag if array elements shall be merged
|
||
|
*/
|
||
|
public function append_by_ref($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;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* check if template variable name is reserved.
|
||
|
*
|
||
|
* @param string $tpl_var the template variable
|
||
|
*/
|
||
|
private function check_tplvar($tpl_var)
|
||
|
{
|
||
|
if (in_array($tpl_var, array('this', 'smarty'))) {
|
||
|
throw new Exception("Cannot assign value to reserved var '{$tpl_var}'");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* clear the given assigned template variable.
|
||
|
*
|
||
|
* @param string $ |array $tpl_var the template variable(s) to clear
|
||
|
*/
|
||
|
public function clear_assign($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 clear_all_assign()
|
||
|
{
|
||
|
$this->tpl_vars = array();
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 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 '';
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* creates a template object
|
||
|
*
|
||
|
* @param string $template the resource handle of the template file
|
||
|
* @param object $parent next higher level of Smarty variables
|
||
|
* @param mixed $cache_id cache id to be used with this template
|
||
|
* @param mixed $compile_id compile id to be used with this template
|
||
|
* @returns object template object
|
||
|
*/
|
||
|
public function createTemplate($template, $cache_id = null, $compile_id = null, $parent = null)
|
||
|
{
|
||
|
if (is_object($cache_id) || is_array($cache_id)) {
|
||
|
$parent = $cache_id;
|
||
|
$cache_id = null;
|
||
|
}
|
||
|
if (is_array($parent)) {
|
||
|
$data = $parent;
|
||
|
$parent = null;
|
||
|
} else {
|
||
|
$data = null;
|
||
|
}
|
||
|
if (!is_object($template)) {
|
||
|
// we got a template resource
|
||
|
$_templateId = $this->buildTemplateId ($template, $cache_id, $compile_id);
|
||
|
// already in template cache?
|
||
|
if (isset($this->smarty->template_objects[$_templateId]) && $this->smarty->caching) {
|
||
|
// return cached template object
|
||
|
$tpl = $this->smarty->template_objects[$_templateId];
|
||
|
} else {
|
||
|
// create new template object
|
||
|
$tpl = new $this->template_class($template, $this->smarty, $parent, $cache_id, $compile_id);
|
||
|
}
|
||
|
} else {
|
||
|
// just return a copy of template class
|
||
|
$tpl = $template;
|
||
|
}
|
||
|
// fill data if present
|
||
|
if (is_array($data)) {
|
||
|
// set up variable values
|
||
|
foreach ($data as $_key => $_val) {
|
||
|
$tpl->tpl_vars[$_key] = new Smarty_variable($_val);
|
||
|
}
|
||
|
}
|
||
|
return $tpl;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* generates a template id
|
||
|
*
|
||
|
* @param string $_resource the resource handle of the template file
|
||
|
* @param mixed $_cache_id cache id to be used with this template
|
||
|
* @param mixed $_compile_id compile id to be used with this template
|
||
|
* @returns string a unique template id
|
||
|
*/
|
||
|
function buildTemplateId ($_resource, $_cache_id, $_compile_id)
|
||
|
{
|
||
|
// return md5($_resource . md5($_cache_id) . md5($_compile_id));
|
||
|
return crc32($_resource . $_cache_id . $_compile_id);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* return current time
|
||
|
*
|
||
|
* @returns double current time
|
||
|
*/
|
||
|
function _get_time()
|
||
|
{
|
||
|
$_mtime = microtime();
|
||
|
$_mtime = explode(" ", $_mtime);
|
||
|
return (double)($_mtime[1]) + (double)($_mtime[0]);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* 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_TemplateBase {
|
||
|
// array of variable objects
|
||
|
public $tpl_vars = array();
|
||
|
// back pointer to parent object
|
||
|
public $parent = null;
|
||
|
// config vars
|
||
|
public $config_vars = array();
|
||
|
/**
|
||
|
* create Smarty data object
|
||
|
*/
|
||
|
public function __construct ($_parent = null)
|
||
|
{
|
||
|
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);
|
||
|
}
|
||
|
} else {
|
||
|
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 = $scope;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* class for undefined variable object
|
||
|
*
|
||
|
* This class defines an object for undefined variable handling
|
||
|
*/
|
||
|
class Undefined_Smarty_Variable {
|
||
|
// return always false
|
||
|
public function __get ($name)
|
||
|
{
|
||
|
if ($name == 'nocache') {
|
||
|
return false;
|
||
|
} else {
|
||
|
return null;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
?>
|