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1 | <?php |
2 | ||
3 | /* | |
4 | * This file is part of Twig. | |
5 | * | |
6 | * (c) 2012 Fabien Potencier | |
7 | * | |
8 | * For the full copyright and license information, please view the LICENSE | |
9 | * file that was distributed with this source code. | |
10 | */ | |
11 | class Twig_Extension_StringLoader extends Twig_Extension | |
12 | { | |
13 | /** | |
14 | * {@inheritdoc} | |
15 | */ | |
16 | public function getFunctions() | |
17 | { | |
18 | return array( | |
19 | new Twig_SimpleFunction('template_from_string', 'twig_template_from_string', array('needs_environment' => true)), | |
20 | ); | |
21 | } | |
22 | ||
23 | /** | |
24 | * {@inheritdoc} | |
25 | */ | |
26 | public function getName() | |
27 | { | |
28 | return 'string_loader'; | |
29 | } | |
30 | } | |
31 | ||
32 | /** | |
33 | * Loads a template from a string. | |
34 | * | |
35 | * <pre> | |
36 | * {{ include(template_from_string("Hello {{ name }}")) }} | |
37 | * </pre> | |
38 | * | |
39 | * @param Twig_Environment $env A Twig_Environment instance | |
40 | * @param string $template A template as a string | |
41 | * | |
42 | * @return Twig_Template A Twig_Template instance | |
43 | */ | |
44 | function twig_template_from_string(Twig_Environment $env, $template) | |
45 | { | |
46 | static $loader; | |
47 | ||
48 | if (null === $loader) { | |
49 | $loader = new Twig_Loader_String(); | |
50 | } | |
51 | ||
52 | $current = $env->getLoader(); | |
53 | $env->setLoader($loader); | |
54 | try { | |
55 | $template = $env->loadTemplate($template); | |
56 | } catch (Exception $e) { | |
57 | $env->setLoader($current); | |
58 | ||
59 | throw $e; | |
60 | } | |
61 | $env->setLoader($current); | |
62 | ||
63 | return $template; | |
64 | } |