Reorganize the Predis\Protocols namespace.

lib/Predis/Protocols/Text/TextResponseReader.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace Predis\Protocols\Text;
+
+use Predis\Helpers;
+use Predis\ProtocolException;
+use Predis\Protocols\IResponseReader;
+use Predis\Protocols\IResponseHandler;
+use Predis\Network\IConnectionComposable;
+
+class TextResponseReader implements IResponseReader {
+    private $_prefixHandlers;
+
+    public function __construct() {
+        $this->_prefixHandlers = $this->getDefaultHandlers();
+    }
+
+    private function getDefaultHandlers() {
+        return array(
+            TextProtocol::PREFIX_STATUS     => new ResponseStatusHandler(),
+            TextProtocol::PREFIX_ERROR      => new ResponseErrorHandler(),
+            TextProtocol::PREFIX_INTEGER    => new ResponseIntegerHandler(),
+            TextProtocol::PREFIX_BULK       => new ResponseBulkHandler(),
+            TextProtocol::PREFIX_MULTI_BULK => new ResponseMultiBulkHandler(),
+        );
+    }
+
+    public function setHandler($prefix, IResponseHandler $handler) {
+        $this->_prefixHandlers[$prefix] = $handler;
+    }
+
+    public function getHandler($prefix) {
+        if (isset($this->_prefixHandlers[$prefix])) {
+            return $this->_prefixHandlers[$prefix];
+        }
+    }
+
+    public function read(IConnectionComposable $connection) {
+        $header = $connection->readLine();
+        if ($header === '') {
+            $this->protocolError($connection, 'Unexpected empty header');
+        }
+
+        $prefix = $header[0];
+        if (!isset($this->_prefixHandlers[$prefix])) {
+            $this->throwMalformedResponse($connection, "Unknown prefix '$prefix'");
+        }
+        $handler = $this->_prefixHandlers[$prefix];
+        return $handler->handle($connection, substr($header, 1));
+    }
+
+    private function protocolError(IConnectionComposable $connection, $message) {
+        Helpers::onCommunicationException(new ProtocolException($connection, $message));
+    }
+}