Implemented contexts, optimizations

lib/Context.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace NoccyLabs\Shell;
+
+class Context
+{
+    protected $name;
+
+    protected $commands = [];
+
+    protected $data = [];
+
+
+    public function __construct($name=null, array $data=[])
+    {
+        $this->name = $name;
+        $this->data = $data;
+        $this->configure();
+    }
+
+    protected function configure()
+    {
+        // Override this to do setup stuff
+    }
+
+    public function addCommand($command, callable $handler)
+    {
+        $this->commands[$command] = $handler;
+    }
+
+    public function addCommands(array $commands)
+    {
+        foreach ($commands as $command=>$handler) {
+            // Make it easier to connect commands direct to local functions
+            if (is_string($handler) && is_callable([$this,$handler])) {
+                $handler = [ $this,$handler ];
+            }
+            // Add the command to the command list
+            $this->addCommand($handler);
+        }
+    }
+
+    public function hasCommand($command)
+    {
+        return array_key_exists($command, $this->commands);
+    }
+
+    public function getCommand($command)
+    {
+        return $this->commands[$command];
+    }
+
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    public function __get($key)
+    {
+        if (!array_key_exists($key,$this->data)) {
+            return false;
+        }
+        return $this->data[$key];
+    }
+
+    public function __set($key,$value)
+    {
+        $this->data[$key] = $value;
+    }
+
+    public function __isset($key)
+    {
+        return array_key_exists($key);
+    }
+
+    public function __unset($key)
+    {
+        unset($this->data[$key]);
+    }
+
+    public function getData()
+    {
+        return $this->data;
+    }
+
+}