Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
So funktioniert es
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Block.php
01 <?php
02
03 /*
04 * This file is part of Twig.
05 *
06 * (c) 2009 Fabien Potencier
07 * (c) 2009 Armin Ronacher
08 *
09 * For the full copyright and license information, please view the LICENSE
10 * file that was distributed with this source code.
11 */
12
13 /**
14 * Marks a section of a template as being reusable.
15 *
16 * <pre>
17 * {% block head %}
18 * <link rel="stylesheet" href="style.css" />
19 * <title>{% block title %}{% endblock %} - My Webpage</title>
20 * {% endblock %}
21 * </pre>
22 */
23 class Twig_TokenParser_Block extends Twig_TokenParser
24 {
25 public function parse(Twig_Token $token)
26 {
27 $lineno = $token->getLine();
28 $stream = $this->parser->getStream();
29 $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
30 if ($this->parser->hasBlock($name)) {
31 throw new Twig_Error_Syntax(sprintf("The block '%s' has already been defined line %d.", $name, $this->parser->getBlock($name)->getLine()), $stream->getCurrent()->getLine(), $stream->getFilename());
32 }
33 $this->parser->setBlock($name, $block = new Twig_Node_Block($name, new Twig_Node(array()), $lineno));
34 $this->parser->pushLocalScope();
35 $this->parser->pushBlockStack($name);
36
37 if ($stream->nextIf(Twig_Token::BLOCK_END_TYPE)) {
38 $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
39 if ($token = $stream->nextIf(Twig_Token::NAME_TYPE)) {
40 $value = $token->getValue();
41
42 if ($value != $name) {
43 throw new Twig_Error_Syntax(sprintf('Expected endblock for block "%s" (but "%s" given).', $name, $value), $stream->getCurrent()->getLine(), $stream->getFilename());
44 }
45 }
46 } else {
47 $body = new Twig_Node(array(
48 new Twig_Node_Print($this->parser->getExpressionParser()->parseExpression(), $lineno),
49 ));
50 }
51 $stream->expect(Twig_Token::BLOCK_END_TYPE);
52
53 $block->setNode('body', $body);
54 $this->parser->popBlockStack();
55 $this->parser->popLocalScope();
56
57 return new Twig_Node_BlockReference($name, $lineno, $this->getTag());
58 }
59
60 public function decideBlockEnd(Twig_Token $token)
61 {
62 return $token->test('endblock');
63 }
64
65 public function getTag()
66 {
67 return 'block';
68 }
69 }
70