ADded PreRun event

todo: Make alias subscriber to create command based on alias (or not)

Author: dantleech

src/PHPCR/Shell/Console/Application/ShellApplication.php

@@ -337,6 +337,10 @@ public function doRun(InputInterface $input, OutputInterface $output)
 
         $name = $this->getCommandName($input);
 
+        $event = new Event\CommandPreRunEvent($name, $input);
+        $this->dispatcher->dispatch(PhpcrShellEvents::COMMAND_PRE_RUN, $event);
+        $input = $event->getInput();
+
         if (!$name) {
             $input = new ArrayInput(array('command' => 'shell:path:show'));
         }
@@ -363,7 +367,7 @@ public function doRun(InputInterface $input, OutputInterface $output)
      */
     public function renderException(\Exception $exception, OutputInterface $output)
     {
-        $output->writeln(sprintf('<exception>%s</exception', $exception->getMessage()));
+        $output->writeln(sprintf('<exception>%s</exception>', $exception->getMessage()));
     }
 
     /**

src/PHPCR/Shell/Event/CommandPreRunEvent.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace PHPCR\Shell\Event;
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\EventDispatcher\Event;
+
+class CommandPreRunEvent extends Event
+{
+    protected $commandName;
+    protected $input;
+
+    public function __construct($commandName, InputInterface $input)
+    {
+        $this->commandName = $commandName;
+        $this->input = $input;
+    }
+
+    public function getInput() 
+    {
+        return $this->input;
+    }
+    
+    public function setInput($input)
+    {
+        $this->input = $input;
+    }
+
+    public function getCommandName() 
+    {
+        return $this->commandName;
+    }
+    
+}

src/PHPCR/Shell/Event/PhpcrShellEvents.php

@@ -4,5 +4,6 @@
 
 class PhpcrShellEvents
 {
-    const COMMAND_EXCEPTION = 'command_exception';
+    const COMMAND_EXCEPTION = 'command.exception';
+    const COMMAND_PRE_RUN = 'command.pre_run';
 }