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-rw-r--r--inc/Twig/TokenParser/Macro.php68
1 files changed, 68 insertions, 0 deletions
diff --git a/inc/Twig/TokenParser/Macro.php b/inc/Twig/TokenParser/Macro.php
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1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 2009 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
12/**
13 * Defines a macro.
14 *
15 * <pre>
16 * {% macro input(name, value, type, size) %}
17 * <input type="{{ type|default('text') }}" name="{{ name }}" value="{{ value|e }}" size="{{ size|default(20) }}" />
18 * {% endmacro %}
19 * </pre>
20 */
21class Twig_TokenParser_Macro 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 $lineno = $token->getLine();
33 $stream = $this->parser->getStream();
34 $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
35
36 $arguments = $this->parser->getExpressionParser()->parseArguments(true, true);
37
38 $stream->expect(Twig_Token::BLOCK_END_TYPE);
39 $this->parser->pushLocalScope();
40 $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
41 if ($stream->test(Twig_Token::NAME_TYPE)) {
42 $value = $stream->next()->getValue();
43
44 if ($value != $name) {
45 throw new Twig_Error_Syntax(sprintf("Expected endmacro for macro '$name' (but %s given)", $value), $stream->getCurrent()->getLine(), $stream->getFilename());
46 }
47 }
48 $this->parser->popLocalScope();
49 $stream->expect(Twig_Token::BLOCK_END_TYPE);
50
51 $this->parser->setMacro($name, new Twig_Node_Macro($name, new Twig_Node_Body(array($body)), $arguments, $lineno, $this->getTag()));
52 }
53
54 public function decideBlockEnd(Twig_Token $token)
55 {
56 return $token->test('endmacro');
57 }
58
59 /**
60 * Gets the tag name associated with this token parser.
61 *
62 * @return string The tag name
63 */
64 public function getTag()
65 {
66 return 'macro';
67 }
68}