1 files changed, 148 insertions, 0 deletions
diff --git a/vendor/commerceguys/intl/scripts/language/generate.php b/vendor/commerceguys/intl/scripts/language/generate.php
new file mode 100644
index 000000000..72e8d1b44
--- /dev/null
+++ b/vendor/commerceguys/intl/scripts/language/generate.php
@@ -0,0 +1,148 @@
+<?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);
+
+// Downloaded from https://github.com/unicode-cldr/cldr-localenames-full.git
+$localeDirectory = '../assets/cldr-localenames-full/main/';
+$enLanguages = $localeDirectory . 'en/languages.json';
+
+if (!is_dir($localeDirectory)) {
+    die("The $localeDirectory directory was not found");
+}
+if (!file_exists($enLanguages)) {
+    die("The $enLanguages file was not found");
+}
+if (!function_exists('collator_create')) {
+    // Reimplementing intl's collator would be a huge undertaking, so we
+    // use it instead to presort the generated locale specific data.
+    die('The intl extension was not found.');
+}
+
+// Locales listed without a "-" match all variants.
+// Locales listed with a "-" match only those exact ones.
+$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', 'en-001', 'en-150', 'es-419',
+];
+
+$languages = [];
+// Load the "en" data first so that it can be used as a fallback for
+// untranslated language names in other locales.
+$languageData = json_decode(file_get_contents($enLanguages), true);
+$languageData = $languageData['main']['en']['localeDisplayNames']['languages'];
+foreach ($languageData as $languageCode => $languageName) {
+    if (strpos($languageCode, '-alt-') === false) {
+        $languages['en'][$languageCode] = [
+            'name' => $languageName,
+        ];
+    }
+}
+
+// Gather available locales.
+$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);
+}
+
+// Remove all languages that aren't an available locale at the same time.
+// This reduces the language list from about 515 to about 185 languages.
+foreach ($languages['en'] as $languageCode => $languageData) {
+    if (!in_array($languageCode, $locales)) {
+        unset($languages['en'][$languageCode]);
+    }
+}
+
+// Load the localizations.
+$untranslatedCounts = [];
+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 => $languageName) {
+        if (isset($languages['en'][$languageCode])) {
+            // This language name is untranslated, use to the english version.
+            if ($languageCode == str_replace('_', '-', $languageName)) {
+                $languageName = $languages['en'][$languageCode]['name'];
+                // Maintain a count of untranslated languages per locale.
+                $untranslatedCounts += [$locale => 0];
+                $untranslatedCounts[$locale]++;
+            }
+
+            $languages[$locale][$languageCode] = [
+                'name' => $languageName,
+            ];
+        }
+    }
+}
+
+// Ignore locales that are more than 80% untranslated.
+foreach ($untranslatedCounts as $locale => $count) {
+    $totalCount = count($languages[$locale]);
+    $untranslatedPercentage = $count * (100 / $totalCount);
+    if ($untranslatedPercentage >= 80) {
+        unset($languages[$locale]);
+    }
+}
+
+// Identify localizations that are the same as the ones for the parent locale.
+// For example, "fr-FR" if "fr" has the same data.
+$duplicates = [];
+foreach ($languages as $locale => $localizedLanguages) {
+    if (strpos($locale, '-') !== false) {
+        $localeParts = explode('-', $locale);
+        array_pop($localeParts);
+        $parentLocale = implode('-', $localeParts);
+        $diff = array_udiff($localizedLanguages, $languages[$parentLocale], function ($first, $second) {
+            return ($first['name'] == $second['name']) ? 0 : 1;
+        });
+
+        if (empty($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[] = $locale;
+        }
+    }
+}
+// Remove the duplicates.
+foreach ($duplicates as $locale) {
+    unset($languages[$locale]);
+}
+
+// Write out the localizations.
+foreach ($languages as $locale => $localizedLanguages) {
+    $collator = collator_create($locale);
+    uasort($localizedLanguages, function ($a, $b) use ($collator) {
+        return collator_compare($collator, $a['name'], $b['name']);
+    });
+    file_put_json($locale . '.json', $localizedLanguages);
+}
+
+/**
+ * Converts the provided data into json and writes it to the disk.
+ */
+function file_put_json($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);
+}