symfony · c960657 · Feb 1, 2016
diff --git a/src/Symfony/Component/Intl/Data/Generator/TimezoneDataGenerator.php b/src/Symfony/Component/Intl/Data/Generator/TimezoneDataGenerator.php
@@ -0,0 +1,163 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Intl\Data\Generator;
+
+use Symfony\Component\Intl\Data\Bundle\Reader\BundleReaderInterface;
+use Symfony\Component\Intl\Data\Util\ArrayAccessibleResourceBundle;
+use Symfony\Component\Intl\Data\Bundle\Compiler\GenrbCompiler;
+use Symfony\Component\Intl\Data\Util\LocaleScanner;
+
+/**
+ * The rule for compiling the currency bundle.
+ *
+ * @internal
+ */
+class TimezoneDataGenerator extends AbstractDataGenerator
+{
+    /**
+     * Collects all available timezones.
+     *
+     * @var string[]
+     */
+    private $timezones = array();
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function scanLocales(LocaleScanner $scanner, $sourceDir)
+    {
+        return $scanner->scanLocales($sourceDir.'/zone');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function compileTemporaryBundles(GenrbCompiler $compiler, $sourceDir, $tempDir)
+    {
+        $compiler->compile($sourceDir.'/zone', $tempDir);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function preGenerate()
+    {
+        $this->timezones = array();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function generateDataForLocale(BundleReaderInterface $reader, $tempDir, $displayLocale)
+    {
+        $localeBundle = $reader->read($tempDir, $displayLocale);
+
+        if (isset($localeBundle['zoneStrings']) && null !== $localeBundle['zoneStrings']) {
+            $data = array(
+                'Version' => $localeBundle['Version'],
+                'Names' => $this->generateTimezoneNames($localeBundle),
+            );
+
+            $this->timezones = array_merge($this->timezones, array_keys($data['Names']));
+
+            return $data;
+        }
+
+        return;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function generateDataForRoot(BundleReaderInterface $reader, $tempDir)
+    {
+        $rootBundle = $reader->read($tempDir, 'root');
+
+        $names = $this->generateTimezoneNames($rootBundle);
+
+        foreach ($this->timezones as $timezone) {
+            if (!isset($names[$timezone])) {
+                $names[$timezone] = $this->getFallbackName($timezone);
+            }
+        }
+
+        ksort($names);
+
+        return array(
+            'Version' => $rootBundle['Version'],
+            'Names' => $names,
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function generateDataForMeta(BundleReaderInterface $reader, $tempDir)
+    {
+        $rootBundle = $reader->read($tempDir, 'root');
+
+        $this->timezones = array_unique($this->timezones);
+
+        sort($this->timezones);
+
+        $data = array(
+            'Version' => $rootBundle['Version'],
+            'Timezones' => $this->timezones,
+        );
+
+        return $data;
+    }
+
+    /**
+     * @param ArrayAccessibleResourceBundle $rootBundle
+     *
+     * @return array
+     */
+    private function generateTimezoneNames(ArrayAccessibleResourceBundle $rootBundle)
+    {
+        $timezoneNames = array();
+        foreach ($rootBundle['zoneStrings'] as $key => $zone) {
+            if (strpos($key, ':') !== false && substr($key, 5) != 'meta:') {
+                $identifier = str_replace(':', '/', $key);
+
+                $zone = iterator_to_array($zone);
+
+                if (isset($zone['ec'])) {
+                    $timezoneNames[$identifier] = $zone['ec'];
+                }
+            }
+        }
+
+        return $timezoneNames;
+    }
+
+    /**
+     * Converts a timezone identifier to an English string.
+     *
+     * @param string $timezone
+     *
+     * @return string
+     */
+    private function getFallbackName($timezone)
+    {
+        $parts = explode('/', $timezone);
+        if (count($parts) > 2) {
+            $name = $parts[2].', '.$parts[1];
+        } elseif (count($parts) > 1) {
+            $name = $parts[1];
+        } else {
+            $name = $parts[0];
+        }
+
+        return str_replace('_', ' ', $name);
+    }
+}
diff --git a/src/Symfony/Component/Intl/Data/Provider/TimezoneDataProvider.php b/src/Symfony/Component/Intl/Data/Provider/TimezoneDataProvider.php
@@ -0,0 +1,80 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Intl\Data\Provider;
+
+use Symfony\Component\Intl\Locale;
+use Symfony\Component\Intl\Data\Bundle\Reader\BundleEntryReaderInterface;
+
+/**
+ * Data provider for timezone-related data.
+ *
+ * @internal
+ */
+class TimezoneDataProvider
+{
+    /**
+     * @var string
+     */
+    private $path;
+
+    /**
+     * @var BundleEntryReaderInterface
+     */
+    private $reader;
+
+    /**
+     * Creates a data provider that reads timezone-related data from a
+     * resource bundle.
+     *
+     * @param string                     $path   The path to the resource bundle.
+     * @param BundleEntryReaderInterface $reader The reader for reading the resource bundle.
+     */
+    public function __construct($path, BundleEntryReaderInterface $reader)
+    {
+        $this->path = $path;
+        $this->reader = $reader;
+    }
+
+    public function getIDs()
+    {
+        return $this->reader->readEntry($this->path, 'meta', array('Timezones'));
+    }
+
+    public function getName($zoneID, $displayLocale = null)
+    {
+        if (null === $displayLocale) {
+            $displayLocale = Locale::getDefault();
+        }
+
+        return $this->reader->readEntry($this->path, $displayLocale, array('Names', $zoneID));
+    }
+
+    public function getNames($displayLocale = null)
+    {
+        if (null === $displayLocale) {
+            $displayLocale = Locale::getDefault();
+        }
+
+        $names = $this->reader->readEntry($this->path, $displayLocale, array('Names'));
+
+        if ($names instanceof \Traversable) {
+            $names = iterator_to_array($names);
+        }
+
+        // Sorting by value cannot be done during bundle generation, because
+        // binary bundles are always sorted by keys
+        $collator = new \Collator($displayLocale);
+        $collator->asort($names);
+
+        return $names;
+    }
+}
diff --git a/src/Symfony/Component/Intl/Intl.php b/src/Symfony/Component/Intl/Intl.php
@@ -24,6 +24,8 @@
 use Symfony\Component\Intl\ResourceBundle\LocaleBundleInterface;
 use Symfony\Component\Intl\ResourceBundle\RegionBundle;
 use Symfony\Component\Intl\ResourceBundle\RegionBundleInterface;
+use Symfony\Component\Intl\ResourceBundle\TimezoneBundle;
+use Symfony\Component\Intl\ResourceBundle\TimezoneBundleInterface;
 
 /**
  * Gives access to internationalization data.
@@ -63,6 +65,11 @@ final class Intl
      */
     const REGION_DIR = 'regions';
 
+    /**
+     * The directory name of the timezone data.
+     */
+    const TIMEZONE_DIR = 'timezones';
+
     /**
      * @var ResourceBundle\CurrencyBundleInterface
      */
@@ -83,6 +90,11 @@ final class Intl
      */
     private static $regionBundle;
 
+    /**
+     * @var ResourceBundle\TimezoneBundleInterface
+     */
+    private static $timezoneBundle;
+
     /**
      * @var string|bool|null
      */
@@ -183,6 +195,24 @@ public static function getRegionBundle()
         return self::$regionBundle;
     }
 
+    /**
+     * Returns the bundle containing timezone information.
+     *
+     * @return TimezoneBundleInterface The timezone resource bundle.
+     */
+    public static function getTimezoneBundle()
+    {
+        if (null === self::$timezoneBundle) {
+            self::$timezoneBundle = new TimezoneBundle(
+                self::getDataDirectory().'/'.self::TIMEZONE_DIR,
+                self::getEntryReader(),
+                self::getLocaleBundle()
+            );
+        }
+
+        return self::$timezoneBundle;
+    }
+
     /**
      * Returns the version of the installed ICU library.
      *

diff --git a/src/Symfony/Component/Intl/ResourceBundle/TimezoneBundle.php b/src/Symfony/Component/Intl/ResourceBundle/TimezoneBundle.php
@@ -0,0 +1,87 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Intl\ResourceBundle;
+
+use Symfony\Component\Intl\Data\Bundle\Reader\BundleEntryReaderInterface;
+use Symfony\Component\Intl\Data\Provider\LocaleDataProvider;
+use Symfony\Component\Intl\Data\Provider\TimezoneDataProvider;
+use Symfony\Component\Intl\Exception\MissingResourceException;
+
+/**
+ * Default implementation of {@link TimezoneBundleInterface}.
+ *
+ * @internal
+ */
+class TimezoneBundle extends TimezoneDataProvider implements TimezoneBundleInterface
+{
+    /**
+     * Creates a new timezone bundle.
+     *
+     * @param string                     $path
+     * @param BundleEntryReaderInterface $reader
+     * @param LocaleDataProvider         $localeProvider
+     */
+    public function __construct($path, BundleEntryReaderInterface $reader, LocaleDataProvider $localeProvider)
+    {
+        parent::__construct($path, $reader);
+
+        $this->localeProvider = $localeProvider;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getIDs()
+    {
+        try {
+            return parent::getIDs();
+        } catch (MissingResourceException $e) {
+            return array();
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getTimezoneName($zoneID, $displayLocale = null)
+    {
+        try {
+            return $this->getName($zoneID, $displayLocale);
+        } catch (MissingResourceException $e) {
+            return;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getTimezoneNames($displayLocale = null)
+    {
+        try {
+            return $this->getNames($displayLocale);
+        } catch (MissingResourceException $e) {
+            return array();
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getLocales()
+    {
+        try {
+            return $this->localeProvider->getLocales();
+        } catch (MissingResourceException $e) {
+            return array();
+        }
+    }
+}