Verzeichnisstruktur phpBB-3.1.0
- Veröffentlicht
- 27.10.2014
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Filter.php
01 <?php
02
03 /*
04 * This file is part of Twig.
05 *
06 * (c) 2009 Fabien Potencier
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 /**
13 * Filters a section of a template by applying filters.
14 *
15 * <pre>
16 * {% filter upper %}
17 * This text becomes uppercase
18 * {% endfilter %}
19 * </pre>
20 */
21 class Twig_TokenParser_Filter extends Twig_TokenParser
22 {
23 /**
24 * Parses a token and returns a node.
25 *
26 * @param Twig_Token $token A Twig_Token instance
27 *
28 * @return Twig_NodeInterface A Twig_NodeInterface instance
29 */
30 public function parse(Twig_Token $token)
31 {
32 $name = $this->parser->getVarName();
33 $ref = new Twig_Node_Expression_BlockReference(new Twig_Node_Expression_Constant($name, $token->getLine()), true, $token->getLine(), $this->getTag());
34
35 $filter = $this->parser->getExpressionParser()->parseFilterExpressionRaw($ref, $this->getTag());
36 $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
37
38 $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
39 $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE);
40
41 $block = new Twig_Node_Block($name, $body, $token->getLine());
42 $this->parser->setBlock($name, $block);
43
44 return new Twig_Node_Print($filter, $token->getLine(), $this->getTag());
45 }
46
47 public function decideBlockEnd(Twig_Token $token)
48 {
49 return $token->test('endfilter');
50 }
51
52 /**
53 * Gets the tag name associated with this token parser.
54 *
55 * @return string The tag name
56 */
57 public function getTag()
58 {
59 return 'filter';
60 }
61 }
62