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
|
<?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.
*/
require __DIR__ . '/generate_base.php';
$enLanguages = $localeDirectory . 'en/languages.json';
if (!file_exists($enLanguages)) {
die("The $enLanguages file 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', $data);
echo "Done.\n";
/**
* Exports locales.
*/
function export_locales($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');
// 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.
$allowedLanguages = scandir($localeDirectory);
$allowedLanguages = array_merge($allowedLanguages, ['iu', 'wa']);
$allowedLanguages = array_diff($allowedLanguages, ['eo', 'ia', 'vo', 'cu', 'gv', 'prg', 'und']);
// Languages that are untranslated in most locales (as of CLDR v34).
$allowedLanguages = array_diff($allowedLanguages, ['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 => $languageName) {
if (!in_array($languageCode, $allowedLanguages)) {
continue;
}
// This language name is untranslated, use to the english version.
if ($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;
}
|
