From 28a8443a5f05593445be330704e5ad31b62cb7d1 Mon Sep 17 00:00:00 2001
From: Mark Sonnabaum <mark@sonnabaum.com>
Date: Mon, 3 Jun 2013 09:39:44 -0500
Subject: [PATCH] [HttpFoundation] Added Request::getEncodings() method

---
 .../Component/HttpFoundation/Request.php        | 17 +++++++++++++++++
 .../HttpFoundation/Tests/RequestTest.php        | 16 ++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/src/Symfony/Component/HttpFoundation/Request.php b/src/Symfony/Component/HttpFoundation/Request.php
index 756e4847d8..357079a4bc 100644
--- a/src/Symfony/Component/HttpFoundation/Request.php
+++ b/src/Symfony/Component/HttpFoundation/Request.php
@@ -218,6 +218,7 @@ class Request
         $this->content = $content;
         $this->languages = null;
         $this->charsets = null;
+        $this->encodings = null;
         $this->acceptableContentTypes = null;
         $this->pathInfo = null;
         $this->requestUri = null;
@@ -386,6 +387,7 @@ class Request
         }
         $dup->languages = null;
         $dup->charsets = null;
+        $dup->encodings = null;
         $dup->acceptableContentTypes = null;
         $dup->pathInfo = null;
         $dup->requestUri = null;
@@ -1444,6 +1446,21 @@ class Request
         return $this->charsets = array_keys(AcceptHeader::fromString($this->headers->get('Accept-Charset'))->all());
     }
 
+    /**
+     * Gets a list of encodings acceptable by the client browser.
+     *
+     * @return array List of encodings in preferable order
+     *
+     * @api
+     */
+    public function getEncodings()
+    {
+        if (null !== $this->encodings) {
+            return $this->encodings;
+        }
+        return $this->encodings = array_keys(AcceptHeader::fromString($this->headers->get('Accept-Encoding'))->all());
+    }
+
     /**
      * Gets a list of content types acceptable by the client browser
      *
diff --git a/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php b/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php
index 5ba94f7ed7..42f5500980 100644
--- a/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php
+++ b/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php
@@ -1122,6 +1122,22 @@ class RequestTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(array('ISO-8859-1', 'utf-8', '*'), $request->getCharsets());
     }
 
+    public function testGetEncodings()
+    {
+        $request = new Request();
+        $this->assertEquals(array(), $request->getEncodings());
+        $request->headers->set('Accept-Encoding', 'gzip,deflate,sdch');
+        $this->assertEquals(array(), $request->getEncodings()); // testing caching
+
+        $request = new Request();
+        $request->headers->set('Accept-Encoding', 'gzip,deflate,sdch');
+        $this->assertEquals(array('gzip', 'deflate', 'sdch'), $request->getEncodings());
+
+        $request = new Request();
+        $request->headers->set('Accept-Encoding', 'gzip;q=0.4,deflate;q=0.9,compress;q=0.7');
+        $this->assertEquals(array('deflate', 'compress', 'gzip'), $request->getEncodings());
+    }
+
     public function testGetAcceptableContentTypes()
     {
         $request = new Request();