95 lines
3.0 KiB

<?php
/**
* Slim - a micro PHP 5 framework
*
* @author Josh Lockhart
* @link http://www.slimframework.com
* @copyright 2011 Josh Lockhart
*
* MIT LICENSE
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
namespace Slim\Extras\Views;
/**
* SavantView
*
* The SavantView is a Custom View class that renders templates using the
* Savant3 template language (http://phpsavant.com/).
*
* There are two fields that you, the developer, will need to change:
* - savantDirectory
* - savantOptions
*
* @package Slim
* @author Matthew Callis <http://superfamicom.org/>
*/
class Savant extends \Slim\View
{
/**
* @var string The path to the directory containing Savant3.php and the Savant3 folder without trailing slash.
*/
public static $savantDirectory = null;
/**
* @var array The options for the Savant3 environment, see http://phpsavant.com/api/Savant3/
*/
public static $savantOptions = array('template_path' => 'templates');
/**
* @var persistent instance of the Savant object
*/
private static $savantInstance = null;
/**
* Renders a template using Savant3.php.
*
* @see View::render()
* @param string $template The template name specified in Slim::render()
* @return string
*/
public function render($template)
{
$savant = $this->getInstance();
$savant->assign($this->data);
return $savant->fetch($template);
}
/**
* Creates new Savant instance if it doesn't already exist, and returns it.
*
* @throws RuntimeException If Savant3 lib directory does not exist.
* @return SavantInstance
*/
private function getInstance()
{
if (!self::$savantInstance) {
if (!is_dir(self::$savantDirectory)) {
throw new \RuntimeException('Cannot set the Savant lib directory : ' . self::$savantDirectory . '. Directory does not exist.');
}
require_once self::$savantDirectory . '/Savant3.php';
self::$savantInstance = new \Savant3(self::$savantOptions);
}
return self::$savantInstance;
}
}