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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 | * Represents a macro node. | |
14 | * | |
15 | * @author Fabien Potencier <fabien@symfony.com> | |
16 | */ | |
17 | class Twig_Node_Macro extends Twig_Node | |
18 | { | |
19 | public function __construct($name, Twig_NodeInterface $body, Twig_NodeInterface $arguments, $lineno, $tag = null) | |
20 | { | |
21 | parent::__construct(array('body' => $body, 'arguments' => $arguments), array('name' => $name), $lineno, $tag); | |
22 | } | |
23 | ||
24 | /** | |
25 | * Compiles the node to PHP. | |
26 | * | |
27 | * @param Twig_Compiler A Twig_Compiler instance | |
28 | */ | |
29 | public function compile(Twig_Compiler $compiler) | |
30 | { | |
31 | $compiler | |
32 | ->addDebugInfo($this) | |
33 | ->write(sprintf("public function get%s(", $this->getAttribute('name'))) | |
34 | ; | |
35 | ||
36 | $count = count($this->getNode('arguments')); | |
37 | $pos = 0; | |
38 | foreach ($this->getNode('arguments') as $name => $default) { | |
39 | $compiler | |
40 | ->raw('$_'.$name.' = ') | |
41 | ->subcompile($default) | |
42 | ; | |
43 | ||
44 | if (++$pos < $count) { | |
45 | $compiler->raw(', '); | |
46 | } | |
47 | } | |
48 | ||
49 | $compiler | |
50 | ->raw(")\n") | |
51 | ->write("{\n") | |
52 | ->indent() | |
53 | ; | |
54 | ||
55 | if (!count($this->getNode('arguments'))) { | |
56 | $compiler->write("\$context = \$this->env->getGlobals();\n\n"); | |
57 | } else { | |
58 | $compiler | |
59 | ->write("\$context = \$this->env->mergeGlobals(array(\n") | |
60 | ->indent() | |
61 | ; | |
62 | ||
63 | foreach ($this->getNode('arguments') as $name => $default) { | |
64 | $compiler | |
65 | ->write('') | |
66 | ->string($name) | |
67 | ->raw(' => $_'.$name) | |
68 | ->raw(",\n") | |
69 | ; | |
70 | } | |
71 | ||
72 | $compiler | |
73 | ->outdent() | |
74 | ->write("));\n\n") | |
75 | ; | |
76 | } | |
77 | ||
78 | $compiler | |
79 | ->write("\$blocks = array();\n\n") | |
80 | ->write("ob_start();\n") | |
81 | ->write("try {\n") | |
82 | ->indent() | |
83 | ->subcompile($this->getNode('body')) | |
84 | ->outdent() | |
85 | ->write("} catch (Exception \$e) {\n") | |
86 | ->indent() | |
87 | ->write("ob_end_clean();\n\n") | |
88 | ->write("throw \$e;\n") | |
89 | ->outdent() | |
90 | ->write("}\n\n") | |
91 | ->write("return ('' === \$tmp = ob_get_clean()) ? '' : new Twig_Markup(\$tmp, \$this->env->getCharset());\n") | |
92 | ->outdent() | |
93 | ->write("}\n\n") | |
94 | ; | |
95 | } | |
96 | } |