xref: /dokuwiki/bin/striplangs.php (revision b857f6cb524f22ed48a5a08553b2a370969dda38) 
1#!/usr/bin/php
2<?php
3if(!defined('DOKU_INC')) define('DOKU_INC', realpath(dirname(__FILE__).'/../').'/');
4define('NOSESSION', 1);
5require_once(DOKU_INC.'inc/init.php');
6
7
8/**
9 * Remove unwanted languages from a DokuWiki install
10 */
11class StripLangsCLI extends DokuCLI {
12
13    /**
14     * Register options and arguments on the given $options object
15     *
16     * @param DokuCLI_Options $options
17     * @return void
18     */
19    protected function setup(DokuCLI_Options $options) {
20
21        $options->setHelp(
22            'Remove all languages from the installation, besides the ones specified. English language '.
23            'is never removed!'
24        );
25
26        $options->registerOption(
27            'keep',
28            'Comma separated list of languages to keep in addition to English.',
29            'k',
30            'langcodes'
31        );
32        $options->registerOption(
33            'english-only',
34            'Remove all languages except English',
35            'e'
36        );
37    }
38
39    /**
40     * Your main program
41     *
42     * Arguments and options have been parsed when this is run
43     *
44     * @param DokuCLI_Options $options
45     * @return void
46     */
47    protected function main(DokuCLI_Options $options) {
48        if($options->getOpt('keep')) {
49            $keep = explode(',', $options->getOpt('keep'));
50            if(!in_array('en', $keep)) $keep[] = 'en';
51        } elseif($options->getOpt('english-only')) {
52            $keep = array('en');
53        } else {
54            echo $options->help();
55            exit(0);
56        }
57
58        // Kill all language directories in /inc/lang and /lib/plugins besides those in $langs array
59        $this->stripDirLangs(realpath(dirname(__FILE__).'/../inc/lang'), $keep);
60        $this->processExtensions(realpath(dirname(__FILE__).'/../lib/plugins'), $keep);
61        $this->processExtensions(realpath(dirname(__FILE__).'/../lib/tpl'), $keep);
62    }
63
64    /**
65     * Strip languages from extensions
66     *
67     * @param string $path       path to plugin or template dir
68     * @param array  $keep_langs languages to keep
69     */
70    protected function processExtensions($path, $keep_langs) {
71        if(is_dir($path)) {
72            $entries = scandir($path);
73
74            foreach($entries as $entry) {
75                if($entry != "." && $entry != "..") {
76                    if(is_dir($path.'/'.$entry)) {
77
78                        $plugin_langs = $path.'/'.$entry.'/lang';
79
80                        if(is_dir($plugin_langs)) {
81                            $this->stripDirLangs($plugin_langs, $keep_langs);
82                        }
83                    }
84                }
85            }
86        }
87    }
88
89    /**
90     * Strip languages from path
91     *
92     * @param string $path       path to lang dir
93     * @param array  $keep_langs languages to keep
94     */
95    protected function stripDirLangs($path, $keep_langs) {
96        $dir = dir($path);
97
98        while(($cur_dir = $dir->read()) !== false) {
99            if($cur_dir != '.' and $cur_dir != '..' and is_dir($path.'/'.$cur_dir)) {
100
101                if(!in_array($cur_dir, $keep_langs, true)) {
102                    io_rmdir($path.'/'.$cur_dir, true);
103                }
104            }
105        }
106        $dir->close();
107    }
108}
109
110$cli = new StripLangsCLI();
111$cli->run();