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<?php
/**
* Smarty Config Source Plugin
*
* @package Smarty
* @subpackage TemplateResources
* @author Uwe Tews
*/
/**
* Smarty Connfig Resource Data Object
* Meta Data Container for Template Files
*
* @package Smarty
* @subpackage TemplateResources
* @author Uwe Tews
*
*/
class Smarty_Template_Config extends Smarty_Template_Source
{
/**
* array of section names, single section or null
*
* @var null|string|array
*/
public $config_sections = null;
/**
* scope into which the config variables shall be loaded
*
* @var string
*/
public $scope = 'local';
/**
* Flag that source is a config file
*
* @var bool
*/
public $isConfig = true;
/**
* create Source Object container
*
* @param Smarty_Resource $handler Resource Handler this source object communicates with
* @param Smarty $smarty Smarty instance this source object belongs to
* @param string $resource full template_resource
* @param string $type type of resource
* @param string $name resource name
*/
public function __construct(Smarty_Resource $handler, Smarty $smarty, $resource, $type, $name)
{
// must clone handler as we change class names
$this->handler = clone $handler; // Note: prone to circular references
$this->handler->compiler_class = 'Smarty_Internal_Config_File_Compiler';
$this->handler->template_lexer_class = 'Smarty_Internal_Configfilelexer';
$this->handler->template_parser_class = 'Smarty_Internal_Configfileparser';
$this->resource = $resource;
$this->type = $type;
$this->name = $name;
$this->smarty = $smarty;
}
/**
* initialize Source Object for given resource
* Either [$_template] or [$smarty, $template_resource] must be specified
*
* @param Smarty_Internal_Template $_template template object
* @param Smarty $smarty smarty object
* @param string $template_resource resource identifier
*
* @return Smarty_Template_Config Source Object
* @throws SmartyException
*/
public static function load(Smarty_Internal_Template $_template = null, Smarty $smarty = null, $template_resource = null)
{
static $_incompatible_resources = array('extends' => true, 'php' => true);
$template_resource = $_template->template_resource;
if (empty($template_resource)) {
throw new SmartyException('Missing config name');
}
// parse resource_name, load resource handler
list($name, $type) = Smarty_Resource::parseResourceName($template_resource, $_template->smarty->default_config_type);
// make sure configs are not loaded via anything smarty can't handle
if (isset($_incompatible_resources[$type])) {
throw new SmartyException ("Unable to use resource '{$type}' for config");
}
$resource = Smarty_Resource::load($_template->smarty, $type);
$source = new Smarty_Template_Config($resource, $_template->smarty, $template_resource, $type, $name);
$resource->populate($source, $_template);
if (!$source->exists && isset($_template->smarty->default_config_handler_func)) {
Smarty_Internal_Method_RegisterDefaultTemplateHandler::_getDefaultTemplate($source);
}
$source->unique_resource = $resource->buildUniqueResourceName($_template->smarty, $name, true);
return $source;
}
}
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