Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
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Set.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 * Defines a variable.
14 *
15 * <pre>
16 * {% set foo = 'foo' %}
17 *
18 * {% set foo = [1, 2] %}
19 *
20 * {% set foo = {'foo': 'bar'} %}
21 *
22 * {% set foo = 'foo' ~ 'bar' %}
23 *
24 * {% set foo, bar = 'foo', 'bar' %}
25 *
26 * {% set foo %}Some content{% endset %}
27 * </pre>
28 */
29 class Twig_TokenParser_Set extends Twig_TokenParser
30 {
31 public function parse(Twig_Token $token)
32 {
33 $lineno = $token->getLine();
34 $stream = $this->parser->getStream();
35 $names = $this->parser->getExpressionParser()->parseAssignmentExpression();
36
37 $capture = false;
38 if ($stream->nextIf(Twig_Token::OPERATOR_TYPE, '=')) {
39 $values = $this->parser->getExpressionParser()->parseMultitargetExpression();
40
41 $stream->expect(Twig_Token::BLOCK_END_TYPE);
42
43 if (count($names) !== count($values)) {
44 throw new Twig_Error_Syntax('When using set, you must have the same number of variables and assignments.', $stream->getCurrent()->getLine(), $stream->getFilename());
45 }
46 } else {
47 $capture = true;
48
49 if (count($names) > 1) {
50 throw new Twig_Error_Syntax('When using set with a block, you cannot have a multi-target.', $stream->getCurrent()->getLine(), $stream->getFilename());
51 }
52
53 $stream->expect(Twig_Token::BLOCK_END_TYPE);
54
55 $values = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
56 $stream->expect(Twig_Token::BLOCK_END_TYPE);
57 }
58
59 return new Twig_Node_Set($capture, $names, $values, $lineno, $this->getTag());
60 }
61
62 public function decideBlockEnd(Twig_Token $token)
63 {
64 return $token->test('endset');
65 }
66
67 public function getTag()
68 {
69 return 'set';
70 }
71 }
72