xref: /plugin/struct/types/Url.php (revision 4d220607ed4491cd4b59bb07ebea91787ab19050) 
1<?php
2
3namespace plugin\struct\types;
4
5use plugin\struct\meta\ValidationException;
6
7class Url extends Text {
8
9    protected $config = array(
10        'autoscheme' => 'https',
11        'prefix' => '',
12        'postfix' => '',
13    );
14
15    /**
16     * The final string should be an URL
17     *
18     * @param string $value
19     */
20    public function validate($value) {
21        $url = $this->buildURL($value);
22
23        $schemes = getSchemes();
24        $regex = '^(' . join('|', $schemes) . '):\/\/.+';
25        if(!preg_match("/$regex/i", $url)) {
26            throw new ValidationException('Url invalid', $url);
27        }
28    }
29
30    /**
31     * @param string $value
32     * @param \Doku_Renderer $R
33     * @param string $mode
34     * @return bool
35     */
36    public function renderValue($value, \Doku_Renderer $R, $mode) {
37        $url = $this->buildURL($value);
38        $R->externallink($url);
39        return true;
40    }
41
42    /**
43     * Creates the full URL and applies the autoscheme if needed
44     *
45     * @param string $value
46     * @return string
47     */
48    protected function buildURL($value) {
49        $url = $this->config['prefix'] . trim($value) . $this->config['postfix'];
50
51        if(!preg_match('/\w+:\/\//', $url)) {
52            $url = $this->config['autoscheme'] . '://' . $url;
53        }
54
55        return $url;
56    }
57
58}
59