aboutsummaryrefslogtreecommitdiffstats
path: root/langs.inc.php
blob: 9055f44e9f094d796593d233fbe964b57e95db94 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
<?php
/**
*/

define('G_VHOST', $_SERVER['SERVER_NAME']);

// languages for home
$langs = array(
    'ca' => 'Català',
    'cs' => 'Čeština',
    'de' => 'Deutsch',
    'el' => 'Ελληνικά',
    'en' => 'English',
    'eo' => 'Esperanto',
    'es' => 'Español',
    'et' => 'Eesti',
    'fi' => 'Suomeksi',
    'fr' => 'Français',
    'it' => 'Italiano',
    'lv' => 'Latviešu',
    'nb' => 'Bokmål',
    'nl' => 'Nederlands',
    'pl' => 'Polski',
    'pt' => 'Português',
    'pt-br' => 'Português do Brasil',
    'ro' => 'Română',
    'ru' => 'Русский',
    'sl' => 'Slovenščina',
    'tr' => 'Türkçe',
    'uk' => 'Українська',
    'zh-cn' => '简体中文',
    'zh-tw' => '正體中文'
);

// TODO (rda) define fallback languages for each language
// for instance, pt-br could fallback on pt and pt on pt-br (but without
// a cycle) then on es, etc.
$i18n_fallback_rules = array(
    'pt-br' => 'pt',
    'pt'    => 'pt-br'
);

$domains_lang = array(
    'mageia.fr' => 'fr',
    'mageia.it' => 'it',
    'mageia.ro' => 'ro',
);

/**
 * Redirect to a localized path, depending on incoming TLD.
 * Only manages redirections to main home path.
 *
 * @param string  $tld
 * @param array   $domains_lang 
 * @param string  $vhost
 *
 * @return void
*/
function tld_redirect($tld, $domains_lang, $vhost)
{
    domain_redirect('mageia.' . $tld, $domains_lang, $vhost);
}

/**
 * Redirect to a localized path, depending on incoming full domain.
 * Only manages redirections to main home path.
 *
 * @param string  $host
 * @param array   $domains_lang 
 * @param string  $vhost
 *
 * @return void
*/
function domain_redirect($host, $domains_lang, $vhost)
{
    $host = str_replace('www.', '', $host);

    if (array_key_exists($host, $domains_lang)) {
        $path = $domains_lang[$host] . '/';
        header ('HTTP/1.1 301 Moved Permanently');
    } else {
        $path = '?langs';
    }
    header(sprintf('Location: %s://%s/%s', 'http', $vhost, $path));
    die;
}


/**
 * Redirect to a localized path, after browser Accept-Language prefs.
 *
 * @param array $langs list of languages
 * @param string $page optional path to which we want to redirect
 * @param string $default_locale
 *
 * @return void
*/
function relocate($langs, $page = '', $default_locale = 'en')
{
    require_once 'localeDetection.class.php';

    $locale = new ChooseLocale(array_keys($langs));

    $locale->setDefaultLocale($default_locale);

    header(str_replace('//', '/', sprintf('Location: /%s/%s',
        $locale->getCompatibleLocale(),
        $page
    )));
    die;
}

/**
*/
function show_langs($langs)
{
    header('Content-Type: text/html; charset=utf-8');
    $count = count($langs);
    $s = <<<S
<!DOCTYPE html>
<html lang="en">
<head>
    <charset="utf-8">
    <meta name="robots" content="noindex,nosnippet">
    <title>Mageia</title>
</head>
<body>
<p><a href="/">Mageia.org</a> is currently available in {$count} languages:</p>
<ul>
S;
    foreach ($langs as $k => $v) {
        $s .= sprintf('<li><a href="/%s/" hreflang="%s">%s</a></li>',
            $k, $k, $v);
    }
    echo $s, '</ul><hr />',
        '<p>If you would like to help improving this Web site or its translations, ',
        'check out our <a href="/langs/report.php">translation report page</a> ',
        '<a href="https://wiki.mageia.org/en/Web_team">Web</a> and ',
        '<a href="https://wiki.mageia.org/en/Internationalisation_Team_(i18n)">localization</a> teams!</p>',
        '<p>Your browser Accept-Language is: ', $_SERVER['HTTP_ACCEPT_LANGUAGE'], '.</p>',
        '<hr /></body></html>';
}

/**
 * Shorthand functions to echo localized strings.
 *
 * @param string $s string to localize
 * @param boolean $ret return value?
 *
 * @return null|string
*/
function _t($s = null, $opt = null, $post = ' ') {
    return _d($s, $opt) . $post;
}

/**
 * @param string $s
 * @param array $opt
 *
 * @return string
 *
 * FIXME Yes, it's terribly wrong/evil to rely on an unknown global $_t.
 * Solution? rethink the whole i18n thing in an integrated one.
*/
function _d($s = null, $opt = null) {
    if ($s == '')
        return null;

    if (!is_null($opt))
        $_t = $opt;
    else {
        global $_t;
    }

    $ret = array_key_exists($s, $_t) ? $_t[$s] : $s;

    return trim(str_replace('{ok}', '', $ret));
}

/**
 * Shorthand to echo localized strings.
 *
*/
function _e($s = null, $args = null) {
    if (is_array($args))
        echo vsprintf(_t($s), $args);
    else
        echo _t($s);
}

/**
 * @param string $s string to echo
 * @param array $args optional params to $s
 * @param string $tag optional tag to wrap $s into
 *
 * @return string
*/
function _h($s, $args = null, $tag = 'p') {
    if (is_array($args))
        $s = vsprintf(_t($s), $args);

    $close_tag = explode(' ', $tag);
    $close_tag = array_shift($close_tag);

    echo sprintf('<%s>%s</%s>', $tag, _t($s), $close_tag);
}

/**
*/
function _lang_return($file)
{
    $strings = array();
    $f       = file($file);

    foreach ($f as $k => $v) {

        $C = substr($v, 0, 1);
        if ($C === '#') continue;

        if ($C === ';' && !empty($f[$k+1])) {
            $j = trim(substr($v, 1));
            $j = str_replace(array("\'", "\""), array("'", '"'), $j);
            $strings[$j] = trim($f[$k+1]);
        }
    }
    return $strings;
}

/**
 * @param string $locale
 * @param string $domain
 *
 * @return boolean
 *
 * @todo use i18n::get_fallback_language() or eq.
*/
function _lang_load($locale, $domain)
{
    if ($locale == 'en')
        return true;

    $lang_file = sprintf('%s/langs/%s/%s.%s.lang', G_APP_ROOT, $locale, $domain, $locale);

    if (file_exists($lang_file)) {

        global $_t;
        if (!isset($_t) || !is_array($_t))
            $_t = array();

        $_t = array_merge($_t, _lang_return($lang_file));

        return true;
    }

    return false;
}

/**
 * Class regrouping basic methods for i18n strings in their current forms.
 *
*/
class i18n
{
    /**
     * @param string $request_uri
     *
     * @return string
    */
    public static function get_language_from_url($request_uri)
    {
        $l = explode('/', $request_uri);
        return $l[1];
    }

    /**
     * Return language strings in $strings that match $lang,
     * and merge with pre-loaded strings matching $fallback_lang.
     *
     * @param array  $strings array('fr' => array(strings...), 'en' => array(...))
     * @param string $lang
     * @param string $fallback_lang
     *
     * @return array
    */
    public static function get_strings($strings, $lang, $fallback_rules = null)
    {
        $use_lang = self::get_fallback_language($lang, array_keys($strings), $fallback_rules);

        return array_merge($strings['en'], $strings[$use_lang]);
    }

    /**
     * Return a language we know we have support for, or a fallback language.
     *
     * Important note: this is supposed to be used only once in a row; do not
     * chain this method over itself as you may end up with an infinite loop
     * (depends on $fallback_rules contents).
     *
     * TODO (rda) implement this into an object, so we can check several langs
     * in a row for a same document, with several fallback hops, without a cycle.
     *
     * @param string $lang language we wish to use
     * @param array  $known_langs list of languages we support
     * @param mixed  $fallback_rules
     *
     * @return string
    */
    public static function get_fallback_language($lang, $known_langs, $fallback_rules = null)
    {
        $ret = 'en';

        if (in_array($lang, $known_langs)) {
            $ret = $lang;
        }
        else {
            if (is_string($fallback_rules)) {
                $ret = $fallback_rules;
            }
            elseif (is_array($fallback_rules)
                && array_key_exists($lang, $fallback_rules)) {

                $ret = $fallback_rules[$lang];
            }

            if (!in_array($ret, $known_langs))
                $ret = 'en';
        }

        return $ret;
    }
}