<?php
/**
 * Smarty Internal Plugin Resource Registered
 *
 * @package Smarty
 * @subpackage TemplateResources
 * @author Uwe Tews
 * @author Rodney Rehm
 */

/**
 * Smarty Internal Plugin Resource Registered
 *
 * Implements the registered resource for Smarty template
 *
 * @package Smarty
 * @subpackage TemplateResources
 * @deprecated
 */
class Smarty_Internal_Resource_Registered extends Smarty_Resource {

	/**
	 * populate Source Object with meta data from Resource
	 *
	 * @param Smarty_Template_Source   $source    source object
	 * @param Smarty_Internal_Template $_template template object
	 * @return void
	 */
	public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template=null)
	{
		$source->filepath = $source->type . ':' . $source->name;
		$source->uid = sha1($source->filepath);
		if ($source->smarty->compile_check) {
			$source->timestamp = $this->getTemplateTimestamp($source);
			$source->exists = !!$source->timestamp;
		}
	}

	/**
	 * populate Source Object with timestamp and exists from Resource
	 *
	 * @param Smarty_Template_Source $source source object
	 * @return void
	 */
	public function populateTimestamp(Smarty_Template_Source $source)
	{
		$source->timestamp = $this->getTemplateTimestamp($source);
		$source->exists = !!$source->timestamp;
	}

	/**
	 * Get timestamp (epoch) the template source was modified
	 *
	 * @param Smarty_Template_Source $source source object
	 * @return integer|boolean timestamp (epoch) the template was modified, false if resources has no timestamp
	 */
	public function getTemplateTimestamp(Smarty_Template_Source $source)
	{
		// return timestamp
		$time_stamp = false;
		call_user_func_array($source->smarty->registered_resources[$source->type][0][1], array($source->name, &$time_stamp, $source->smarty));
		return is_numeric($time_stamp) ? (int) $time_stamp : $time_stamp;
	}

	/**
	 * Load template's source by invoking the registered callback into current template object
	 *
	 * @param Smarty_Template_Source $source source object
	 * @return string template source
	 * @throws SmartyException if source cannot be loaded
	 */
	public function getContent(Smarty_Template_Source $source)
	{
		// return template string
		$t = call_user_func_array($source->smarty->registered_resources[$source->type][0][0], array($source->name, &$source->content, $source->smarty));
		if (is_bool($t) && !$t) {
			throw new SmartyException("Unable to read template {$source->type} '{$source->name}'");
		}
		return $source->content;
	}

	/**
	 * Determine basename for compiled filename
	 *
	 * @param Smarty_Template_Source $source source object
	 * @return string resource's basename
	 */
	protected function getBasename(Smarty_Template_Source $source)
	{
		return basename($source->name);
	}

}

?>