|
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
|
public function parse(Twig_Token $token)
|
|
22
|
{
|
|
23
|
$macro = $this->parser->getExpressionParser()->parseExpression();
|
|
24
|
$stream = $this->parser->getStream();
|
|
25
|
$stream->expect('import');
|
|
26
|
|
|
27
|
$targets = array();
|
|
28
|
do {
|
|
29
|
$name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
|
|
30
|
|
|
31
|
$alias = $name;
|
|
32
|
if ($stream->nextIf('as')) {
|
|
33
|
$alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
|
|
34
|
}
|
|
35
|
|
|
36
|
$targets[$name] = $alias;
|
|
37
|
|
|
38
|
if (!$stream->nextIf(Twig_Token::PUNCTUATION_TYPE, ',')) {
|
|
39
|
break;
|
|
40
|
}
|
|
41
|
} while (true);
|
|
42
|
|
|
43
|
$stream->expect(Twig_Token::BLOCK_END_TYPE);
|
|
44
|
|
|
45
|
$node = new Twig_Node_Import($macro, new Twig_Node_Expression_AssignName($this->parser->getVarName(), $token->getLine()), $token->getLine(), $this->getTag());
|
|
46
|
|
|
47
|
foreach ($targets as $name => $alias) {
|
|
48
|
if ($this->parser->isReservedMacroName($name)) {
|
|
49
|
throw new Twig_Error_Syntax(sprintf('"%s" cannot be an imported macro as it is a reserved keyword.', $name), $token->getLine(), $stream->getFilename());
|
|
50
|
}
|
|
51
|
|
|
52
|
$this->parser->addImportedSymbol('function', $alias, 'get'.$name, $node->getNode('var'));
|
|
53
|
}
|
|
54
|
|
|
55
|
return $node;
|
|
56
|
}
|
|
57
|
|
|
58
|
public function getTag()
|
|
59
|
{
|
|
60
|
return 'from';
|
|
61
|
}
|
|
62
|
}
|