1 files changed, 192 insertions, 0 deletions
diff --git a/vendor/commerceguys/intl/scripts/currency/generate.php b/vendor/commerceguys/intl/scripts/currency/generate.php
new file mode 100644
index 000000000..63f0ef302
--- /dev/null
+++ b/vendor/commerceguys/intl/scripts/currency/generate.php
@@ -0,0 +1,192 @@
+<?php
+
+/**
+ * Generates the json files stored in resources/currency.
+ *
+ * The ISO currency list is used as a base, since it doesn't contain
+ * deprecated currencies, unlike CLDR (v25 has 139 deprecated entries).
+ */
+set_time_limit(0);
+
+// Downloaded from http://www.currency-iso.org/en/home/tables/table-a1.html
+$isoCurrencies = '../assets/c2.xml';
+// Downloaded from https://github.com/unicode-cldr/cldr-numbers-full.git
+$numbersDirectory = '../assets/cldr-numbers-full/main/';
+$cldrCurrencies = $numbersDirectory . 'en/currencies.json';
+// Downloaded from https://github.com/unicode-cldr/cldr-core.git
+$currencyData = '../assets/cldr-core/supplemental/currencyData.json';
+// Downloaded from https://github.com/unicode-cldr/cldr-localenames-full.git
+$localeDirectory = '../assets/cldr-localenames-full/main/';
+if (!file_exists($isoCurrencies)) {
+    die("The $isoCurrencies file was not found");
+}
+if (!file_exists($cldrCurrencies)) {
+    die("The $cldrCurrencies file was not found");
+}
+if (!file_exists($currencyData)) {
+    die("The $currencyData file was not found");
+}
+if (!function_exists('collator_create')) {
+    // Reimplementing intl's collator would be a huge undertaking, so we
+    // use it instead to presort the generated locale specific data.
+    die('The intl extension was not found.');
+}
+if (!is_dir($localeDirectory)) {
+    die("The $localeDirectory directory was not found");
+}
+if (!is_dir($numbersDirectory)) {
+    die("The $numbersDirectory directory was not found");
+}
+
+// Locales listed without a "-" match all variants.
+// Locales listed with a "-" match only those exact ones.
+$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',
+];
+
+// Assemble the base data.
+$baseData = [];
+$currencyData = json_decode(file_get_contents($currencyData), true);
+$currencyData = $currencyData['supplemental']['currencyData']['fractions'];
+$isoData = simplexml_load_file($isoCurrencies);
+foreach ($isoData->CcyTbl->CcyNtry as $currency) {
+    $attributes = (array) $currency->CcyNm->attributes();
+    if (!empty($attributes) && !empty($attributes['@attributes']['IsFund'])) {
+        // Ignore funds.
+        continue;
+    }
+    $currency = (array) $currency;
+    if (empty($currency['Ccy'])) {
+        // Ignore placeholders like "Antarctica".
+        continue;
+    }
+    if (substr($currency['CtryNm'], 0, 2) == 'ZZ' || in_array($currency['Ccy'], ['XUA', 'XSU', 'XDR'])) {
+        // Ignore special currencies.
+        continue;
+    }
+
+    $currencyCode = $currency['Ccy'];
+    $baseData[$currencyCode] = [
+        'numeric_code' => $currency['CcyNbr'],
+    ];
+    // Take the fraction digits from CLDR, not ISO, because it reflects real
+    // life usage more closely. If the digits aren't set, that means that the
+    // default value (2) should be used.
+    if (isset($currencyData[$currencyCode]['_digits'])) {
+        $fractionDigits = $currencyData[$currencyCode]['_digits'];
+        if ($fractionDigits != 2) {
+            $baseData[$currencyCode]['fraction_digits'] = $fractionDigits;
+        }
+    }
+}
+
+// Write out base.json.
+ksort($baseData);
+file_put_json('base.json', $baseData);
+
+// Gather available locales.
+$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);
+}
+
+// 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');
+
+// Create the localizations.
+$currencies = [];
+$untranslatedCounts = [];
+foreach ($locales as $locale) {
+    $data = json_decode(file_get_contents($numbersDirectory . $locale . '/currencies.json'), true);
+    $data = $data['main'][$locale]['numbers']['currencies'];
+    foreach ($data as $currencyCode => $currency) {
+        if (isset($baseData[$currencyCode])) {
+            $currencyName = $currency['displayName'];
+            // This currency name is untranslated, use the english version.
+            if ($currencyCode == $currencyName) {
+                $currencyName = $currencies['en'][$currencyCode]['name'];
+                // Maintain a count of untranslated currencies per locale.
+                $untranslatedCounts += [$locale => 0];
+                $untranslatedCounts[$locale]++;
+            }
+
+            $currencies[$locale][$currencyCode] = [
+                'name' => $currencyName,
+            ];
+            // Decrease the dataset size by exporting the symbol only if it's
+            // different from the currency code.
+            if ($currency['symbol'] != $currencyCode) {
+                $currencies[$locale][$currencyCode]['symbol'] = $currency['symbol'];
+            }
+        }
+    }
+}
+
+// Ignore locales that are more than 80% untranslated.
+foreach ($untranslatedCounts as $locale => $count) {
+    $totalCount = count($currencies[$locale]);
+    $untranslatedPercentage = $count * (100 / $totalCount);
+    if ($untranslatedPercentage >= 80) {
+        unset($currencies[$locale]);
+    }
+}
+
+// Identify localizations that are the same as the ones for the parent locale.
+// For example, "fr-FR" if "fr" has the same data.
+$duplicates = [];
+foreach ($currencies as $locale => $localizedCurrencies) {
+    if (strpos($locale, '-') !== false) {
+        $localeParts = explode('-', $locale);
+        array_pop($localeParts);
+        $parentLocale = implode('-', $localeParts);
+        $diff = array_udiff($localizedCurrencies, $currencies[$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 $locale) {
+    unset($currencies[$locale]);
+}
+
+// Write out the localizations.
+foreach ($currencies as $locale => $localizedCurrencies) {
+    $collator = collator_create($locale);
+    uasort($localizedCurrencies, function ($a, $b) use ($collator) {
+        return collator_compare($collator, $a['name'], $b['name']);
+    });
+    file_put_json($locale . '.json', $localizedCurrencies);
+}
+
+/**
+ * Converts the provided data into json and writes it to the disk.
+ */
+function file_put_json($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);
+}