xref: /dokuwiki/bin/striplangs.php (revision 90fb952c4c30c09c8446076ba05991c89a3f0b01) 
1#!/usr/bin/env php
2<?php
3
4use splitbrain\phpcli\CLI;
5use splitbrain\phpcli\Options;
6
7if (!defined('DOKU_INC')) define('DOKU_INC', realpath(__DIR__ . '/../') . '/');
8define('NOSESSION', 1);
9require_once(DOKU_INC . 'inc/init.php');
10
11/**
12 * Remove unwanted languages from a DokuWiki install
13 */
14class StripLangsCLI extends CLI
15{
16
17    /**
18     * Register options and arguments on the given $options object
19     *
20     * @param Options $options
21     * @return void
22     */
23    protected function setup(Options $options)
24    {
25
26        $options->setHelp(
27            'Remove all languages from the installation, besides the ones specified. English language ' .
28            'is never removed!'
29        );
30
31        $options->registerOption(
32            'keep',
33            'Comma separated list of languages to keep in addition to English.',
34            'k',
35            'langcodes'
36        );
37        $options->registerOption(
38            'english-only',
39            'Remove all languages except English',
40            'e'
41        );
42    }
43
44    /**
45     * Your main program
46     *
47     * Arguments and options have been parsed when this is run
48     *
49     * @param Options $options
50     * @return void
51     */
52    protected function main(Options $options)
53    {
54        if ($options->getOpt('keep')) {
55            $keep = explode(',', $options->getOpt('keep'));
56            if (!in_array('en', $keep)) $keep[] = 'en';
57        } elseif ($options->getOpt('english-only')) {
58            $keep = ['en'];
59        } else {
60            echo $options->help();
61            exit(0);
62        }
63
64        // Kill all language directories in /inc/lang and /lib/plugins besides those in $langs array
65        $this->stripDirLangs(realpath(__DIR__ . '/../inc/lang'), $keep);
66        $this->processExtensions(realpath(__DIR__ . '/../lib/plugins'), $keep);
67        $this->processExtensions(realpath(__DIR__ . '/../lib/tpl'), $keep);
68    }
69
70    /**
71     * Strip languages from extensions
72     *
73     * @param string $path path to plugin or template dir
74     * @param array $keep_langs languages to keep
75     */
76    protected function processExtensions($path, $keep_langs)
77    {
78        if (is_dir($path)) {
79            $entries = scandir($path);
80
81            foreach ($entries as $entry) {
82                if ($entry != "." && $entry != "..") {
83                    if (is_dir($path . '/' . $entry)) {
84                        $plugin_langs = $path . '/' . $entry . '/lang';
85
86                        if (is_dir($plugin_langs)) {
87                            $this->stripDirLangs($plugin_langs, $keep_langs);
88                        }
89                    }
90                }
91            }
92        }
93    }
94
95    /**
96     * Strip languages from path
97     *
98     * @param string $path path to lang dir
99     * @param array $keep_langs languages to keep
100     */
101    protected function stripDirLangs($path, $keep_langs)
102    {
103        $dir = dir($path);
104
105        while (($cur_dir = $dir->read()) !== false) {
106            if ($cur_dir != '.' && $cur_dir != '..' && is_dir($path . '/' . $cur_dir)) {
107                if (!in_array($cur_dir, $keep_langs, true)) {
108                    io_rmdir($path . '/' . $cur_dir, true);
109                }
110            }
111        }
112        $dir->close();
113    }
114}
115
116$cli = new StripLangsCLI();
117$cli->run();
118