From 1227cc2a8a1a43e1501ff63377dbcf5b5ddcffe6 Mon Sep 17 00:00:00 2001
From: Sergey Linnik <linniksa@gmail.com>
Date: Wed, 30 May 2012 21:50:31 +0400
Subject: [PATCH] add escapeValue to ParameterBagInterface

---
 .../ParameterBag/ParameterBag.php             | 21 +++++++++++++++++++
 .../ParameterBag/ParameterBagInterface.php    |  9 ++++++++
 .../Tests/ParameterBag/ParameterBagTest.php   | 16 ++++++++++++++
 3 files changed, 46 insertions(+)

diff --git a/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php b/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php
index a83f1fcaf446..ad8dc489a494 100644
--- a/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php
+++ b/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php
@@ -253,6 +253,27 @@ public function isResolved()
         return $this->resolved;
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    public function escapeValue($value)
+    {
+        if (is_string($value)) {
+            return str_replace('%', '%%', $value);
+        }
+
+        if (is_array($value)) {
+            $result = array();
+            foreach ($value as $k => $v) {
+                $result[$k] = $this->escapeValue($v);
+            }
+
+            return $result;
+        }
+
+        return $value;
+    }
+
     private function unescapeValue($value)
     {
         if (is_string($value)) {
diff --git a/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBagInterface.php b/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBagInterface.php
index da83cbe92c01..4ad6aed2c863 100644
--- a/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBagInterface.php
+++ b/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBagInterface.php
@@ -94,4 +94,13 @@ function resolve();
      * @throws ParameterNotFoundException if a placeholder references a parameter that does not exist
      */
     function resolveValue($value);
+
+    /**
+     * Escape parameter placeholders %
+     *
+     * @param mixed $value
+     *
+     * @return mixed
+     */
+    function escapeValue($value);
 }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/ParameterBag/ParameterBagTest.php b/src/Symfony/Component/DependencyInjection/Tests/ParameterBag/ParameterBagTest.php
index 29d238090981..46fb35837152 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/ParameterBag/ParameterBagTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/ParameterBag/ParameterBagTest.php
@@ -201,6 +201,22 @@ public function testResolveUnescapesValue()
         $this->assertEquals(array('bar' => array('ding' => 'I\'m a bar %foo %bar')), $bag->get('foo'), '->resolveValue() supports % escaping by doubling it');
     }
 
+    /**
+     * @covers Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::escapeValue
+     */
+    public function testEscapeValue()
+    {
+        $bag = new ParameterBag();
+
+        $bag->add(array(
+            'foo' => $bag->escapeValue(array('bar' => array('ding' => 'I\'m a bar %foo %bar', 'zero' => null))),
+            'bar' => $bag->escapeValue('I\'m a %foo%'),
+        ));
+
+        $this->assertEquals('I\'m a %%foo%%', $bag->get('bar'), '->escapeValue() escapes % by doubling it');
+        $this->assertEquals(array('bar' => array('ding' => 'I\'m a bar %%foo %%bar', 'zero' => null)), $bag->get('foo'), '->escapeValue() escapes % by doubling it');
+    }
+
     /**
      * @covers Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::resolve
      * @dataProvider stringsWithSpacesProvider