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Diffstat (limited to 'inc/3rdparty/Twig/TokenParser/Block.php')
-rw-r--r-- | inc/3rdparty/Twig/TokenParser/Block.php | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/inc/3rdparty/Twig/TokenParser/Block.php b/inc/3rdparty/Twig/TokenParser/Block.php new file mode 100644 index 00000000..a2e017f3 --- /dev/null +++ b/inc/3rdparty/Twig/TokenParser/Block.php | |||
@@ -0,0 +1,83 @@ | |||
1 | <?php | ||
2 | |||
3 | /* | ||
4 | * This file is part of Twig. | ||
5 | * | ||
6 | * (c) 2009 Fabien Potencier | ||
7 | * (c) 2009 Armin Ronacher | ||
8 | * | ||
9 | * 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 | /** | ||
26 | * Parses a token and returns a node. | ||
27 | * | ||
28 | * @param Twig_Token $token A Twig_Token instance | ||
29 | * | ||
30 | * @return Twig_NodeInterface A Twig_NodeInterface instance | ||
31 | */ | ||
32 | public function parse(Twig_Token $token) | ||
33 | { | ||
34 | $lineno = $token->getLine(); | ||
35 | $stream = $this->parser->getStream(); | ||
36 | $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue(); | ||
37 | if ($this->parser->hasBlock($name)) { | ||
38 | throw new Twig_Error_Syntax(sprintf("The block '$name' has already been defined line %d", $this->parser->getBlock($name)->getLine()), $stream->getCurrent()->getLine(), $stream->getFilename()); | ||
39 | } | ||
40 | $this->parser->setBlock($name, $block = new Twig_Node_Block($name, new Twig_Node(array()), $lineno)); | ||
41 | $this->parser->pushLocalScope(); | ||
42 | $this->parser->pushBlockStack($name); | ||
43 | |||
44 | if ($stream->test(Twig_Token::BLOCK_END_TYPE)) { | ||
45 | $stream->next(); | ||
46 | |||
47 | $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true); | ||
48 | if ($stream->test(Twig_Token::NAME_TYPE)) { | ||
49 | $value = $stream->next()->getValue(); | ||
50 | |||
51 | if ($value != $name) { | ||
52 | throw new Twig_Error_Syntax(sprintf("Expected endblock for block '$name' (but %s given)", $value), $stream->getCurrent()->getLine(), $stream->getFilename()); | ||
53 | } | ||
54 | } | ||
55 | } else { | ||
56 | $body = new Twig_Node(array( | ||
57 | new Twig_Node_Print($this->parser->getExpressionParser()->parseExpression(), $lineno), | ||
58 | )); | ||
59 | } | ||
60 | $stream->expect(Twig_Token::BLOCK_END_TYPE); | ||
61 | |||
62 | $block->setNode('body', $body); | ||
63 | $this->parser->popBlockStack(); | ||
64 | $this->parser->popLocalScope(); | ||
65 | |||
66 | return new Twig_Node_BlockReference($name, $lineno, $this->getTag()); | ||
67 | } | ||
68 | |||
69 | public function decideBlockEnd(Twig_Token $token) | ||
70 | { | ||
71 | return $token->test('endblock'); | ||
72 | } | ||
73 | |||
74 | /** | ||
75 | * Gets the tag name associated with this token parser. | ||
76 | * | ||
77 | * @return string The tag name | ||
78 | */ | ||
79 | public function getTag() | ||
80 | { | ||
81 | return 'block'; | ||
82 | } | ||
83 | } | ||