Initial import.

vendor/guzzle/http/Guzzle/Http/IoEmittingEntityBody.php

@@ -0,0 +1,83 @@
+<?php
+
+namespace Guzzle\Http;
+
+use Guzzle\Common\Event;
+use Guzzle\Common\HasDispatcherInterface;
+use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * EntityBody decorator that emits events for read and write methods
+ */
+class IoEmittingEntityBody extends AbstractEntityBodyDecorator implements HasDispatcherInterface
+{
+    /** @var EventDispatcherInterface */
+    protected $eventDispatcher;
+
+    public static function getAllEvents()
+    {
+        return array('body.read', 'body.write');
+    }
+
+    /**
+     * {@inheritdoc}
+     * @codeCoverageIgnore
+     */
+    public function setEventDispatcher(EventDispatcherInterface $eventDispatcher)
+    {
+        $this->eventDispatcher = $eventDispatcher;
+
+        return $this;
+    }
+
+    public function getEventDispatcher()
+    {
+        if (!$this->eventDispatcher) {
+            $this->eventDispatcher = new EventDispatcher();
+        }
+
+        return $this->eventDispatcher;
+    }
+
+    public function dispatch($eventName, array $context = array())
+    {
+        return $this->getEventDispatcher()->dispatch($eventName, new Event($context));
+    }
+
+    /**
+     * {@inheritdoc}
+     * @codeCoverageIgnore
+     */
+    public function addSubscriber(EventSubscriberInterface $subscriber)
+    {
+        $this->getEventDispatcher()->addSubscriber($subscriber);
+
+        return $this;
+    }
+
+    public function read($length)
+    {
+        $event = array(
+            'body'   => $this,
+            'length' => $length,
+            'read'   => $this->body->read($length)
+        );
+        $this->dispatch('body.read', $event);
+
+        return $event['read'];
+    }
+
+    public function write($string)
+    {
+        $event = array(
+            'body'   => $this,
+            'write'  => $string,
+            'result' => $this->body->write($string)
+        );
+        $this->dispatch('body.write', $event);
+
+        return $event['result'];
+    }
+}