pug-php/ci-pug

<?php

namespace Jade\Filter;

use Jade\Compiler;
use Jade\Nodes\Filter;

/**
 * Class Jade\Filter\Php.
 */
class Php implements FilterInterface
{
    /**
     * @param Filter   $node
     * @param Compiler $compiler
     *
     * @return string
     */
    public function __invoke(Filter $node, Compiler $compiler)
    {
        $data = '';

        foreach ($node->block->nodes as $n) {
            if (isset($n->value)) {
                $data .= preg_match('/^[[:space:]]*\|(?!\|)(.*)/', $n->value, $m)
                    ? ' ?> '.$m[1].'<?php '
                    : $n->value."\n";
                continue;
            }
            $data .= ' ?> '.$compiler->subCompiler()->compile($n).'<?php ';
        }

        return $data ? '<?php '.$data.' ?> ' : $data;
    }
}