1: <?php
 2: 
 3: namespace Charcoal\View\Twig;
 4: 
 5: // 3rd-party libraries (`twigphp/twig`) dependencies
 6: use \Twig_Environment;
 7: 
 8: // Intra-module (`charcoal-view`) depentencies
 9: use \Charcoal\View\AbstractEngine;
10: 
11: /**
12:  *
13:  */
14: class TwigEngine extends AbstractEngine
15: {
16:     /**
17:      * @var Twig_Environment $twig
18:      */
19:     private $twig;
20: 
21:     /**
22:      * @return string
23:      */
24:     public function type()
25:     {
26:         return 'twig';
27:     }
28: 
29:     /**
30:      * @return Twig_Environment
31:      */
32:     public function twig()
33:     {
34:         if ($this->twig === null) {
35:             $this->twig = $this->createTwig();
36:         }
37:         return $this->twig;
38:     }
39: 
40:     /**
41:      * @return Twig_Environment
42:      */
43:     protected function createTwig()
44:     {
45:         $twig = new Twig_Environment($this->loader(), [
46:             'cache'     => 'twig_cache',
47:             'charset'   => 'utf-8',
48:             'debug'     => false
49:         ]);
50: 
51:         return $twig;
52:     }
53: 
54:     /**
55:      * @param string $templateIdent The template identifier to load and render.
56:      * @param mixed  $context       The rendering context.
57:      * @return string The rendered template string.
58:      */
59:     public function render($templateIdent, $context)
60:     {
61:         return $this->twig()->render($templateIdent, $context);
62:     }
63: 
64:     /**
65:      * @param string $templateString The template string to render.
66:      * @param mixed  $context        The rendering context.
67:      * @return string The rendered template string.
68:      */
69:     public function renderTemplate($templateString, $context)
70:     {
71:         $template = $this->twig()->createTemplate($templateString);
72:         return $template->render($context);
73:     }
74: }
75: