Reorganize the Predis\Protocols namespace.

lib/Predis/Protocols/Text/TextCommandSerializer.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Predis\Protocols\Text;
+
+use Predis\Commands\ICommand;
+use Predis\Protocols\ICommandSerializer;
+
+class TextCommandSerializer implements ICommandSerializer {
+    public function serialize(ICommand $command) {
+        $commandId = $command->getId();
+        $arguments = $command->getArguments();
+
+        $cmdlen = strlen($commandId);
+        $reqlen = count($arguments) + 1;
+
+        $buffer = "*{$reqlen}\r\n\${$cmdlen}\r\n{$commandId}\r\n";
+        for ($i = 0; $i < $reqlen - 1; $i++) {
+            $argument = $arguments[$i];
+            $arglen  = strlen($argument);
+            $buffer .= "\${$arglen}\r\n{$argument}\r\n";
+        }
+
+        return $buffer;
+    }
+}