Added shell:clear command

Command to clear the shell output

Author: dantleech

CHANGELOG.md

@@ -6,6 +6,7 @@ dev-master
 
 ### Features
 
+- [shell] Added "shell:clear" command to support clearing the console output
 - [general] The shell supports being embedded as a dependency
 - [node:edit] New command `node:edit` enables editing of entire node
 

features/shell_clear.feature

@@ -0,0 +1,11 @@
+Feature: clear the screen
+    In order to clear the screen
+    As a user
+    I want to be able to execute a command which does that.
+
+    Background:
+        Given that I am logged in as "testuser"
+
+    Scenario: Execute the shell clear command
+        Given I execute the "shell:clear" command
+        Then the command should not fail

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

@@ -227,6 +227,7 @@ protected function registerShellCommands()
     {
         // add shell-specific commands
         $this->add(new CommandShell\AliasListCommand());
+        $this->add(new CommandShell\ClearCommand());
         $this->add(new CommandShell\ConfigInitCommand());
         $this->add(new CommandShell\ConfigReloadCommand());
         $this->add(new CommandShell\PathChangeCommand());

src/PHPCR/Shell/Console/Command/Shell/ClearCommand.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace PHPCR\Shell\Console\Command\Shell;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class ClearCommand extends Command
+{
+    public function configure()
+    {
+        $this->setName('shell:clear');
+        $this->setDescription('Clear the screen');
+        $this->setHelp(<<<EOT
+Clear the screen
+EOT
+        );
+    }
+
+    public function execute(InputInterface $input, OutputInterface $output)
+    {
+        $output->write("\033[2J\033[;H");
+    }
+}
+

src/PHPCR/Shell/Resources/config.dist/alias.yml

@@ -2,6 +2,7 @@
 aliases: shell:alias:list
 creload: shell:config:reload
 cinit: shell:config:init
+clear: shell:clear
 
 # MySQL commands
 use: workspace:use {arg1}