Reorganize the Predis\Protocols namespace.

lib/Predis/Protocols/Text/ComposableTextProtocol.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace Predis\Protocols\Text;
+
+use Predis\Commands\ICommand;
+use Predis\Protocols\IResponseReader;
+use Predis\Protocols\ICommandSerializer;
+use Predis\Protocols\IProtocolProcessorExtended;
+use Predis\Network\IConnectionComposable;
+
+class ComposableTextProtocol implements IProtocolProcessorExtended {
+    private $_serializer, $_reader;
+
+    public function __construct(Array $options = array()) {
+        $this->setSerializer(new TextCommandSerializer());
+        $this->setReader(new TextResponseReader());
+        if (count($options) > 0) {
+            $this->initializeOptions($options);
+        }
+    }
+
+    private function initializeOptions(Array $options) {
+        foreach ($options as $k => $v) {
+            $this->setOption($k, $v);
+        }
+    }
+
+    public function setOption($option, $value) {
+        switch ($option) {
+            case 'iterable_multibulk':
+                $handler = $value ? new ResponseMultiBulkStreamHandler() : new ResponseMultiBulkHandler();
+                $this->_reader->setHandler(TextProtocol::PREFIX_MULTI_BULK, $handler);
+                break;
+            case 'throw_errors':
+                $handler = $value ? new ResponseErrorHandler() : new ResponseErrorSilentHandler();
+                $this->_reader->setHandler(TextProtocol::PREFIX_ERROR, $handler);
+                break;
+            default:
+                throw new \InvalidArgumentException(
+                    "The option $option is not supported by the current protocol"
+                );
+        }
+    }
+
+    public function serialize(ICommand $command) {
+        return $this->_serializer->serialize($command);
+    }
+
+    public function write(IConnectionComposable $connection, ICommand $command) {
+        $connection->writeBytes($this->_serializer->serialize($command));
+    }
+
+    public function read(IConnectionComposable $connection) {
+        return $this->_reader->read($connection);
+    }
+
+    public function setSerializer(ICommandSerializer $serializer) {
+        $this->_serializer = $serializer;
+    }
+
+    public function getSerializer() {
+        return $this->_serializer;
+    }
+
+    public function setReader(IResponseReader $reader) {
+        $this->_reader = $reader;
+    }
+
+    public function getReader() {
+        return $this->_reader;
+    }
+}