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1 | <?php |
2 | ||
3 | /* | |
4 | * This file is part of Twig. | |
5 | * | |
6 | * (c) 2010 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 | * Imports macros. | |
14 | * | |
15 | * <pre> | |
16 | * {% from 'forms.html' import forms %} | |
17 | * </pre> | |
18 | */ | |
19 | class Twig_TokenParser_From extends Twig_TokenParser | |
20 | { | |
21 | /** | |
22 | * Parses a token and returns a node. | |
23 | * | |
24 | * @param Twig_Token $token A Twig_Token instance | |
25 | * | |
26 | * @return Twig_NodeInterface A Twig_NodeInterface instance | |
27 | */ | |
28 | public function parse(Twig_Token $token) | |
29 | { | |
30 | $macro = $this->parser->getExpressionParser()->parseExpression(); | |
31 | $stream = $this->parser->getStream(); | |
32 | $stream->expect('import'); | |
33 | ||
34 | $targets = array(); | |
35 | do { | |
36 | $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue(); | |
37 | ||
38 | $alias = $name; | |
39 | if ($stream->test('as')) { | |
40 | $stream->next(); | |
41 | ||
42 | $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue(); | |
43 | } | |
44 | ||
45 | $targets[$name] = $alias; | |
46 | ||
47 | if (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ',')) { | |
48 | break; | |
49 | } | |
50 | ||
51 | $stream->next(); | |
52 | } while (true); | |
53 | ||
54 | $stream->expect(Twig_Token::BLOCK_END_TYPE); | |
55 | ||
56 | $node = new Twig_Node_Import($macro, new Twig_Node_Expression_AssignName($this->parser->getVarName(), $token->getLine()), $token->getLine(), $this->getTag()); | |
57 | ||
58 | foreach ($targets as $name => $alias) { | |
59 | $this->parser->addImportedSymbol('function', $alias, 'get'.$name, $node->getNode('var')); | |
60 | } | |
61 | ||
62 | return $node; | |
63 | } | |
64 | ||
65 | /** | |
66 | * Gets the tag name associated with this token parser. | |
67 | * | |
68 | * @return string The tag name | |
69 | */ | |
70 | public function getTag() | |
71 | { | |
72 | return 'from'; | |
73 | } | |
74 | } |