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| 1 | <?php |
| 2 | /** |
| 3 | * |
| 4 | * This file is part of the phpBB Forum Software package. |
| 5 | * |
| 6 | * @copyright (c) phpBB Limited <https://www.phpbb.com> |
| 7 | * @license GNU General Public License, version 2 (GPL-2.0) |
| 8 | * |
| 9 | * For full copyright and license information, please see |
| 10 | * the docs/CREDITS.txt file. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | namespace phpbb\template\twig\node; |
| 15 | |
| 16 | class event extends \Twig\Node\Node |
| 17 | { |
| 18 | /** |
| 19 | * The subdirectory in which all template listener files must be placed |
| 20 | * @var string |
| 21 | */ |
| 22 | protected $listener_directory = 'event/'; |
| 23 | |
| 24 | /** @var \phpbb\template\twig\environment */ |
| 25 | protected $environment; |
| 26 | |
| 27 | public function __construct(\Twig\Node\Expression\AbstractExpression $expr, \phpbb\template\twig\environment $environment, $lineno, $tag = null) |
| 28 | { |
| 29 | $this->environment = $environment; |
| 30 | |
| 31 | parent::__construct(array('expr' => $expr), array(), $lineno, $tag); |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * Compiles the node to PHP. |
| 36 | * |
| 37 | * @param \Twig\Compiler A Twig\Compiler instance |
| 38 | */ |
| 39 | public function compile(\Twig\Compiler $compiler) |
| 40 | { |
| 41 | $compiler->addDebugInfo($this); |
| 42 | |
| 43 | $location = $this->listener_directory . $this->getNode('expr')->getAttribute('name'); |
| 44 | |
| 45 | foreach ($this->environment->get_phpbb_extensions() as $ext_namespace => $ext_path) |
| 46 | { |
| 47 | $ext_namespace = str_replace('/', '_', $ext_namespace); |
| 48 | |
| 49 | if ($this->environment->isDebug()) |
| 50 | { |
| 51 | // If debug mode is enabled, lets check for new/removed EVENT |
| 52 | // templates on page load rather than at compile. This is |
| 53 | // slower, but makes developing extensions easier (no need to |
| 54 | // purge the cache when a new event template file is added) |
| 55 | $compiler |
| 56 | ->write("if (\$this->env->getLoader()->exists('@{$ext_namespace}/{$location}.html')) {\n") |
| 57 | ->indent() |
| 58 | ; |
| 59 | } |
| 60 | |
| 61 | if ($this->environment->isDebug() || $this->environment->getLoader()->exists('@' . $ext_namespace . '/' . $location . '.html')) |
| 62 | { |
| 63 | $compiler |
| 64 | ->write("\$previous_look_up_order = \$this->env->getNamespaceLookUpOrder();\n") |
| 65 | |
| 66 | // We set the namespace lookup order to be this extension first, then the main path |
| 67 | ->write("\$this->env->setNamespaceLookUpOrder(array('{$ext_namespace}', '__main__'));\n") |
| 68 | ->write("\$this->env->loadTemplate(\$this->env->getTemplateClass('@{$ext_namespace}/{$location}.html'), '@{$ext_namespace}/{$location}.html')->display(\$context);\n") |
| 69 | ->write("\$this->env->setNamespaceLookUpOrder(\$previous_look_up_order);\n") |
| 70 | ; |
| 71 | } |
| 72 | |
| 73 | if ($this->environment->isDebug()) |
| 74 | { |
| 75 | $compiler |
| 76 | ->outdent() |
| 77 | ->write("}\n\n") |
| 78 | ; |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | } |