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[github/wallabag/wallabag.git] / vendor / twig / twig / lib / Twig / Node / ForLoop.php
1 <?php
2
3 /*
4 * This file is part of Twig.
5 *
6 * (c) 2011 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 * Internal node used by the for node.
14 *
15 * @author Fabien Potencier <fabien@symfony.com>
16 */
17 class Twig_Node_ForLoop extends Twig_Node
18 {
19 public function __construct($lineno, $tag = null)
20 {
21 parent::__construct(array(), array('with_loop' => false, 'ifexpr' => false, 'else' => false), $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 $compiler)
30 {
31 if ($this->getAttribute('else')) {
32 $compiler->write("\$context['_iterated'] = true;\n");
33 }
34
35 if ($this->getAttribute('with_loop')) {
36 $compiler
37 ->write("++\$context['loop']['index0'];\n")
38 ->write("++\$context['loop']['index'];\n")
39 ->write("\$context['loop']['first'] = false;\n")
40 ;
41
42 if (!$this->getAttribute('ifexpr')) {
43 $compiler
44 ->write("if (isset(\$context['loop']['length'])) {\n")
45 ->indent()
46 ->write("--\$context['loop']['revindex0'];\n")
47 ->write("--\$context['loop']['revindex'];\n")
48 ->write("\$context['loop']['last'] = 0 === \$context['loop']['revindex0'];\n")
49 ->outdent()
50 ->write("}\n")
51 ;
52 }
53 }
54 }
55 }