Implemented SphinxAdapter

README.md

@@ -315,6 +315,22 @@ $query->setQuery('search term');
 $adapter = new SolariumAdapter($solarium, $query);
 ```
 
+### SphinxAdapter
+To paginate a [Sphinx](http://sphinxsearch.com/) query:
+
+```php
+<?php
+
+use Pagerfanta\Adapter\SphinxAdapter;
+
+$query = '*';
+$index = 'example_index';
+$comment = '';
+
+$sphinxClient = new SphinxClient();
+$adapter = new SphinxAdapter($sphinxClient, $query, $index, $comment);
+```
+
 ### FixedAdapter
 
 Best used when you need to do a custom paging solution and

src/Pagerfanta/Adapter/SphinxAdapter.php

@@ -0,0 +1,110 @@
+<?php
+/*
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Pagerfanta\Adapter;
+
+class SphinxAdapter implements AdapterInterface
+{
+    private $client;
+    private $query;
+    private $index;
+    private $comment;
+    private $results;
+    private $maxMatches = 0;
+    private $cutoff = 0;
+
+    /**
+     * Constructor.
+     *
+     * @param SphinxClient $client A Sphinx client.
+     * @param string $query A Sphinx query.
+     * @param string $index A Sphinx index.
+     * @param string $comment A Sphinx comment.
+     */
+    public function __construct(\SphinxClient $client, $query, $index = "*", $comment = "")
+    {
+        $this->client = $client;
+        $this->query = $query;
+        $this->index = $index;
+        $this->comment = $comment;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getNbResults()
+    {
+        if (!$this->results) {
+           return $this->client->query($this->query, $this->index, $this->comment)['total'];
+        }
+
+        return $this->results['total'];
+    }
+
+    /*
+     * setMaxMatches
+     *
+     * @param int $maxMatches Controls how much matches searchd will keep in RAM while searching.
+     *
+     * @return SphinxAdapter
+     */
+    public function setMaxMatches($maxMatches)
+    {
+        $this->maxMatches = $maxMatches;
+
+        return $this;
+    }
+
+    /*
+     * getMaxMatches
+     *
+     * @param void
+     *
+     * @return int
+     */
+    public function getMaxMatches()
+    {
+        return $this->maxMatches;
+    }
+
+    /*
+     * setCutoff
+     *
+     * @param $cutoff Used for advanced performance control. It tells searchd to forcibly stop search query once cutoff matches have been found and processed.
+     *
+     * @return SphinxAdapter
+     */
+    public function setCutoff($cutoff)
+    {
+        $this->cutoff = $cutoff;
+
+        return $this;
+    }
+
+    /*
+     * getCutoff
+     *
+     * @param void
+     *
+     * @return int
+     */
+    public function getCutoff()
+    {
+        return $this->cutoff;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSlice($offset, $limit)
+    {
+        // Set limit
+        $this->client->setLimits($offset, $limit, $this->maxMatches, $this->cutoff);
+
+        return $this->results = $this->client
+            ->query($this->query, $this->index, $this->comment);
+    }
+}