1 files changed, 279 insertions, 0 deletions
diff --git a/vendor/commerceguys/intl/scripts/generate_currency_data.php b/vendor/commerceguys/intl/scripts/generate_currency_data.php
new file mode 100644
index 000000000..9dfc262e1
--- /dev/null
+++ b/vendor/commerceguys/intl/scripts/generate_currency_data.php
@@ -0,0 +1,279 @@
+<?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);
+require __DIR__ . '/../vendor/autoload.php';
+
+// Downloaded from http://www.currency-iso.org/en/home/tables/table-a1.html
+$isoCurrencies = __DIR__ . '/assets/c2.xml';
+// Downloaded from https://github.com/unicode-cldr/cldr-numbers-full.git
+$numbersDirectory = __DIR__ . '/assets/cldr-numbers-full/main/';
+$cldrCurrencies = $numbersDirectory . 'en/currencies.json';
+// Downloaded from https://github.com/unicode-cldr/cldr-core.git
+$currencyData = __DIR__ . '/assets/cldr-core/supplemental/currencyData.json';
+// Downloaded from https://github.com/unicode-cldr/cldr-localenames-full.git
+$localeDirectory = __DIR__ . '/assets/cldr-localenames-full/main/';
+if (!file_exists($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 $numbersDirectory directory was not found");
+}
+
+$currencyData = json_decode(file_get_contents($currencyData), true);
+$isoData = simplexml_load_file($isoCurrencies);
+
+$baseData = generate_base_data($currencyData, $isoData);
+$localizations = generate_localizations($baseData);
+$localizations = filter_duplicate_localizations($localizations);
+
+// Make sure we're starting from a clean slate.
+if (is_dir(__DIR__ . '/currency')) {
+    die('The currency/ directory must not exist.');
+}
+
+// Prepare the filesystem.
+mkdir(__DIR__ . '/currency');
+
+// Write out the localizations.
+foreach ($localizations 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(__DIR__ . '/currency/' . $locale . '.json', $localizedCurrencies);
+}
+
+$availableLocales = array_keys($localizations);
+sort($availableLocales);
+// Base currency definitions and available locales are stored
+// in PHP, then manually transferred to CurrencyRepository.
+$data = "<?php\n\n";
+$data .= export_locales($availableLocales);
+$data .= export_base_data($baseData);
+file_put_contents(__DIR__ . '/currency_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, $data);
+}
+
+/**
+ * Exports base data.
+ */
+function export_base_data($baseData)
+{
+    $export = '$baseData = [' . "\n";
+    foreach ($baseData as $currencyCode => $currencyData) {
+        $export .= "    '" . $currencyCode . "' => ['";
+        $export .= $currencyData['numeric_code'] . "', " . $currencyData['fraction_digits'];
+        $export .= "],\n";
+    }
+    $export .= "];";
+
+    return $export;
+}
+
+/**
+ * Exports locales.
+ */
+function export_locales($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\n";
+
+    return $export;
+}
+
+/**
+ * Generates the base data.
+ */
+function generate_base_data(array $currencyData, $isoData)
+{
+    $baseData = [];
+    $currencyData = $currencyData['supplemental']['currencyData']['fractions'];
+    foreach ($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' => $currency['CcyNbr'],
+        ];
+        // Take the fraction digits from CLDR, not ISO, because it reflects real
+        // life usage more closely.
+        if (isset($currencyData[$currencyCode]['_digits'])) {
+            $baseData[$currencyCode]['fraction_digits'] = $currencyData[$currencyCode]['_digits'];
+        } else {
+            $baseData[$currencyCode]['fraction_digits'] = $currencyData['DEFAULT']['_digits'];
+        }
+    }
+    ksort($baseData);
+
+    return $baseData;
+}
+
+/**
+ * Generates the localizations.
+ */
+function generate_localizations(array $baseData)
+{
+    global $numbersDirectory;
+
+    $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');
+
+    $localizations = [];
+    $untranslatedCounts = [];
+    foreach ($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 = $localizations['en'][$currencyCode]['name'];
+                    // Maintain a count of untranslated currencies per locale.
+                    $untranslatedCounts += [$locale => 0];
+                    $untranslatedCounts[$locale]++;
+                }
+
+                $localizations[$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) {
+                    $localizations[$locale][$currencyCode]['symbol'] = $currency['symbol'];
+                }
+            }
+        }
+    }
+
+    // Ignore locales that are more than 80% untranslated.
+    foreach ($untranslatedCounts as $locale => $count) {
+        $totalCount = count($localizations[$locale]);
+        $untranslatedPercentage = $count * (100 / $totalCount);
+        if ($untranslatedPercentage >= 80) {
+            unset($localizations[$locale]);
+        }
+    }
+
+    return $localizations;
+}
+
+/**
+ * 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 => $localizedCurrencies) {
+        if ($parentLocale = \CommerceGuys\Intl\Locale::getParent($locale)) {
+            $parentCurrencies = isset($localizations[$parentLocale]) ? $localizations[$parentLocale] : [];
+            $diff = array_udiff($localizedCurrencies, $parentCurrencies, function ($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[] = $locale;
+            }
+        }
+    }
+    foreach ($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;
+}