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
|
<?php
/**
* Generates the json files stored in resources/language.
*
* CLDR lists about 515 languages, many of them dead (like Latin or Old English).
* In order to decrease the list to a reasonable size, only the languages
* for which CLDR itself has translations are listed.
*/
set_time_limit(0);
require __DIR__ . '/../vendor/autoload.php';
// Downloaded from https://github.com/unicode-cldr/cldr-localenames-full.git
$localeDirectory = __DIR__ . '/assets/cldr-localenames-full/main/';
$enLanguages = $localeDirectory . 'en/languages.json';
if (!is_dir($localeDirectory)) {
die("The $localeDirectory directory was not found");
}
if (!file_exists($enLanguages)) {
die("The $enLanguages file was not found");
}
if (!function_exists('collator_create')) {
// Reimplementing intl's collator would be a huge undertaking, so we
// use it instead to presort the generated locale specific data.
die('The intl extension was not found.');
}
$languages = generate_languages();
$languages = filter_duplicate_localizations($languages);
// Make sure we're starting from a clean slate.
if (is_dir(__DIR__ . '/language')) {
die('The language/ directory must not exist.');
}
// Prepare the filesystem.
mkdir(__DIR__ . '/language');
// Write out the localizations.
foreach ($languages as $locale => $localizedLanguages) {
$collator = collator_create($locale);
uasort($localizedLanguages, function ($a, $b) use ($collator) {
return collator_compare($collator, $a, $b);
});
file_put_json(__DIR__ . '/language/' . $locale . '.json', $localizedLanguages);
}
$availableLocales = array_keys($languages);
sort($availableLocales);
// Available locales are stored in PHP, then manually
// transferred to LanguageRepository.
$data = "<?php\n\n";
$data .= export_locales($availableLocales);
file_put_contents(__DIR__ . '/language_data.php', $data);
echo "Done.\n";
/**
* Converts the provided data into json and writes it to the disk.
*/
function file_put_json($filename, $data)
{
$data = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
// Indenting with tabs instead of 4 spaces gives us 20% smaller files.
$data = str_replace(' ', "\t", $data);
file_put_contents($filename, $data);
}
/**
* Exports locales.
*/
function export_locales($data)
{
// Wrap the values in single quotes.
$data = array_map(function ($value) {
return "'" . $value . "'";
}, $data);
$export = '// ' . count($data) . " available locales. \n";
$export .= '$locales = [' . "\n";
$export .= ' ' . implode(', ', $data) . "\n";
$export .= "];\n";
return $export;
}
/**
* Generates the language lists for each locale.
*/
function generate_languages()
{
global $localeDirectory;
$locales = discover_locales();
// Make sure 'en' is processed first so that it can be used as a fallback.
$index = array_search('en', $locales);
unset($locales[$index]);
array_unshift($locales, 'en');
// The filtering of the language list against the locale list can be
// too strict, filtering out languages that should be in the final list.
// This override ensures that such cases are covered.
$explicitlyAllowed = ['wa'];
// Languages that are untranslated in most locales (as of CLDR v34).
$explicitlyIgnored = ['ccp', 'fa-AF'];
$untranslatedCounts = [];
$languages = [];
foreach ($locales as $locale) {
$data = json_decode(file_get_contents($localeDirectory . $locale . '/languages.json'), true);
$data = $data['main'][$locale]['localeDisplayNames']['languages'];
foreach ($data as $languageCode => $languageName) {
// Skip all languages that aren't an available locale at the same time.
// This reduces the language list from about 515 to about 185 languages.
if (!in_array($languageCode, $locales) && !in_array($languageCode, $explicitlyAllowed)) {
continue;
}
if (in_array($languageCode, $explicitlyIgnored)) {
continue;
}
// This language name is untranslated, use to the english version.
if ($languageCode == str_replace('_', '-', $languageName)) {
$languageName = $languages['en'][$languageCode];
// Maintain a count of untranslated languages per locale.
$untranslatedCounts += [$locale => 0];
$untranslatedCounts[$locale]++;
}
$languages[$locale][$languageCode] = $languageName;
}
// CLDR v34 has an uneven language list due to missing translations.
if ($locale != 'en') {
$missingLanguages = array_diff_key($languages['en'], $languages[$locale]);
foreach ($missingLanguages as $languageCode => $languageName) {
$languages[$locale][$languageCode] = $languages['en'][$languageCode];
}
}
}
// Ignore locales that are more than 80% untranslated.
foreach ($untranslatedCounts as $locale => $count) {
$totalCount = count($languages[$locale]);
$untranslatedPercentage = $count * (100 / $totalCount);
if ($untranslatedPercentage >= 80) {
unset($languages[$locale]);
}
}
return $languages;
}
/**
* Filters out duplicate localizations (same as their parent locale).
*
* For example, "fr-FR" will be removed if "fr" has the same data.
*/
function filter_duplicate_localizations(array $localizations)
{
$duplicates = [];
foreach ($localizations as $locale => $localizedLanguages) {
if ($parentLocale = \CommerceGuys\Intl\Locale::getParent($locale)) {
$parentLanguages = isset($localizations[$parentLocale]) ? $localizations[$parentLocale] : [];
$diff = array_udiff($localizedLanguages, $parentLanguages, function ($first, $second) {
return ($first === $second) ? 0 : 1;
});
if (empty($diff)) {
// The duplicates are not removed right away because they might
// still be needed for other duplicate checks (for example,
// when there are locales like bs-Latn-BA, bs-Latn, bs).
$duplicates[] = $locale;
}
}
}
foreach ($duplicates as $locale) {
unset($localizations[$locale]);
}
return $localizations;
}
/**
* Creates a list of available locales.
*/
function discover_locales()
{
global $localeDirectory;
// Locales listed without a "-" match all variants.
// Locales listed with a "-" match only those exact ones.
$ignoredLocales = [
// Interlingua is a made up language.
'ia',
// Valencian differs from its parent only by a single character (è/é).
'ca-ES-VALENCIA',
// Special "grouping" locales.
'root', 'en-US-POSIX',
];
// Gather available locales.
$locales = [];
if ($handle = opendir($localeDirectory)) {
while (false !== ($entry = readdir($handle))) {
if (substr($entry, 0, 1) != '.') {
$entryParts = explode('-', $entry);
if (!in_array($entry, $ignoredLocales) && !in_array($entryParts[0], $ignoredLocales)) {
$locales[] = $entry;
}
}
}
closedir($handle);
}
return $locales;
}
|
