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<?php
/**
* @package Smarty
* @subpackage PluginsInternal
*/
class Smarty_Internal_Extension_Config
{
/**
* @param $obj
* @param $config_file
* @param null $sections
* @param string $scope
*/
static function configLoad($obj, $config_file, $sections = null, $scope = 'local')
{
$smarty = isset($obj->smarty) ? $obj->smarty : $obj;
$confObj = new $smarty->template_class($config_file, $smarty, $obj);
$confObj->caching = Smarty::CACHING_OFF;
$confObj->source = Smarty_Template_Config::load($confObj);
$confObj->source->config_sections = $sections;
$confObj->source->scope = $scope;
$confObj->compiled = Smarty_Template_Compiled::load($confObj);
if ($confObj->smarty->debugging) {
Smarty_Internal_Debug::start_render($confObj);
}
$confObj->compiled->render($confObj);
if ($confObj->smarty->debugging) {
Smarty_Internal_Debug::end_render($confObj);
}
if ($obj instanceof Smarty_Internal_Template) {
$obj->properties['file_dependency'][$confObj->source->uid] = array($confObj->source->filepath, $confObj->source->timestamp, $confObj->source->type);
}
}
/**
* load config variables
*
* @param mixed $sections array of section names, single section or null
* @param string $scope global,parent or local
*
* @throws Exception
*/
static function loadConfigVars($_template, $_config_vars)
{
$scope = $_template->source->scope;
// pointer to scope (local scope is parent of template object
$scope_ptr = $_template->parent;
if ($scope == 'parent') {
if (isset($_template->parent->parent)) {
$scope_ptr = $_template->parent->parent;
}
} elseif ($scope == 'root' || $scope == 'global') {
while (isset($scope_ptr->parent)) {
$scope_ptr = $scope_ptr->parent;
}
}
// copy global config vars
foreach ($_config_vars['vars'] as $variable => $value) {
if ($_template->smarty->config_overwrite || !isset($scope_ptr->config_vars[$variable])) {
$scope_ptr->config_vars[$variable] = $value;
} else {
$scope_ptr->config_vars[$variable] = array_merge((array) $scope_ptr->config_vars[$variable], (array) $value);
}
}
// scan sections
$sections = $_template->source->config_sections;
if (!empty($sections)) {
foreach ((array) $sections as $_template_section) {
if (isset($_config_vars['sections'][$_template_section])) {
foreach ($_config_vars['sections'][$_template_section]['vars'] as $variable => $value) {
if ($_template->smarty->config_overwrite || !isset($scope_ptr->config_vars[$variable])) {
$scope_ptr->config_vars[$variable] = $value;
} else {
$scope_ptr->config_vars[$variable] = array_merge((array) $scope_ptr->config_vars[$variable], (array) $value);
}
}
}
}
}
}
/**
* Returns a single or all config variables
*
* @param string $varname variable name or null
* @param bool $search_parents
*
* @return string variable value or or array of variables
*/
static function getConfigVars($obj, $varname = null, $search_parents = true)
{
$_ptr = $obj;
$var_array = array();
while ($_ptr !== null) {
if (isset($varname)) {
if (isset($_ptr->config_vars[$varname])) {
return $_ptr->config_vars[$varname];
}
} else {
$var_array = array_merge($_ptr->config_vars, $var_array);
}
// not found, try at parent
if ($search_parents) {
$_ptr = $_ptr->parent;
} else {
$_ptr = null;
}
}
if (isset($varname)) {
return '';
} else {
return $var_array;
}
}
/**
* gets a config variable
*
* @param string $variable the name of the config variable
* @param bool $error_enable
*
* @return mixed the value of the config variable
*/
static function getConfigVariable($obj, $variable, $error_enable = true)
{
$_ptr = $obj;
while ($_ptr !== null) {
if (isset($_ptr->config_vars[$variable])) {
// found it, return it
return $_ptr->config_vars[$variable];
}
// not found, try at parent
$_ptr = $_ptr->parent;
}
if ($obj->error_unassigned && $error_enable) {
// force a notice
$x = $$variable;
}
return null;
}
/**
* remove a single or all config variables
*
* @param string $name variable name or null
*
* @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
*/
static function clearConfig($obj, $name = null)
{
if (isset($name)) {
unset($obj->config_vars[$name]);
} else {
$obj->config_vars = array();
}
return $obj;
}
}
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