[Translation] Added intl message formatter.

src/Symfony/Bundle/FrameworkBundle/Resources/config/translation.xml

@@ -33,6 +33,10 @@
             <argument type="service" id="identity_translator" />
         </service>
 
+        <service id="translator.formatter.intl" class="Symfony\Component\Translation\Formatter\IntlMessageFormatter" public="false" />
+
+        <service id="translator.selector" class="Symfony\Component\Translation\MessageSelector" public="false" />
+
         <service id="translation.loader.php" class="Symfony\Component\Translation\Loader\PhpFileLoader">
             <tag name="translation.loader" alias="php" />
         </service>

src/Symfony/Component/Translation/CHANGELOG.md

@@ -41,6 +41,7 @@ CHANGELOG
 -----
 
  * Added support for escaping `|` in plural translations with double pipe.
+ * Added intl message formatter.
 
 3.1.0
 -----

src/Symfony/Component/Translation/Formatter/IntlMessageFormatter.php

@@ -0,0 +1,37 @@
+<?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\Translation\Formatter;
+
+/**
+ * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
+ * @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
+ */
+class IntlMessageFormatter implements MessageFormatterInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function format($message, $locale, array $parameters = array())
+    {
+        $formatter = new \MessageFormatter($locale, $message);
+        if (null === $formatter) {
+            throw new \InvalidArgumentException(sprintf('Invalid message format. Reason: %s (error #%d)', intl_get_error_message(), intl_get_error_code()));
+        }
+
+        $message = $formatter->format($parameters);
+        if ($formatter->getErrorCode() !== U_ZERO_ERROR) {
+            throw new \InvalidArgumentException(sprintf('Unable to format message. Reason: %s (error #%s)', $formatter->getErrorMessage(), $formatter->getErrorCode()));
+        }
+
+        return $message;
+    }
+}

src/Symfony/Component/Translation/Tests/Formatter/IntlMessageFormatterTest.php

@@ -0,0 +1,91 @@
+<?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\Translation\Tests\Formatter;
+
+use Symfony\Component\Translation\Formatter\IntlMessageFormatter;
+
+class IntlMessageFormatterTest extends \PHPUnit_Framework_TestCase
+{
+    public function setUp()
+    {
+        if (!extension_loaded('intl')) {
+            $this->markTestSkipped(
+              'The Intl extension is not available.'
+            );
+        }
+    }
+
+    /**
+     * @dataProvider provideDataForFormat
+     */
+    public function testFormat($expected, $message, $arguments)
+    {
+        $this->assertEquals($expected, trim($this->getMessageFormatter()->format($message, 'en', $arguments)));
+    }
+
+    public function testFormatWithNamedArguments()
+    {
+        if (PHP_VERSION_ID < 50500 || version_compare(INTL_ICU_VERSION, '4.8', '<')) {
+            $this->markTestSkipped('Format with named arguments can only be run with ICU 4.8 or higher and PHP >= 5.5');
+        }
+
+        $chooseMessage = <<<'_MSG_'
+{gender_of_host, select,
+  female {{num_guests, plural, offset:1
+      =0 {{host} does not give a party.}
+      =1 {{host} invites {guest} to her party.}
+      =2 {{host} invites {guest} and one other person to her party.}
+     other {{host} invites {guest} as one of the # people invited to her party.}}}
+  male   {{num_guests, plural, offset:1
+      =0 {{host} does not give a party.}
+      =1 {{host} invites {guest} to his party.}
+      =2 {{host} invites {guest} and one other person to his party.}
+     other {{host} invites {guest} as one of the # people invited to his party.}}}
+  other {{num_guests, plural, offset:1
+      =0 {{host} does not give a party.}
+      =1 {{host} invites {guest} to their party.}
+      =2 {{host} invites {guest} and one other person to their party.}
+     other {{host} invites {guest} as one of the # people invited to their party.}}}}
+_MSG_;
+
+        $formatter = $this->getMessageFormatter();
+        $message = $formatter->format($chooseMessage, 'en', array(
+            'gender_of_host' => 'male',
+            'num_guests' => 10,
+            'host' => 'Fabien',
+            'guest' => 'Guilherme',
+        ));
+
+        $this->assertEquals('Fabien invites Guilherme as one of the 9 people invited to his party.', $message);
+    }
+
+    public function provideDataForFormat()
+    {
+        return array(
+            array(
+                'There is one apple',
+                'There is one apple',
+                array(),
+            ),
+            array(
+                '4,560 monkeys on 123 trees make 37.073 monkeys per tree',
+                '{0,number,integer} monkeys on {1,number,integer} trees make {2,number} monkeys per tree',
+                array(4560, 123, 4560 / 123),
+            ),
+        );
+    }
+
+    private function getMessageFormatter()
+    {
+        return new IntlMessageFormatter();
+    }
+}