import axiom without dependency on symfony console

axiom_src/Bags/ArrayBag.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Enzyme\Axiom\Bags;
+
+class ArrayBag implements BagInterface
+{
+    protected $store;
+
+    public function __construct(array $store)
+    {
+        $this->store = $store;
+    }
+
+    public function get($key)
+    {
+        if ($this->has($key)) {
+            return $this->store[$key];
+        }
+
+        return null;
+    }
+
+    public function has($key)
+    {
+        return isset($this->store[$key])
+            && array_key_exists($key, $this->store);
+    }
+
+    public function getAll()
+    {
+        return $this->store;
+    }
+}

axiom_src/Bags/BagInterface.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Enzyme\Axiom\Bags;
+
+interface BagInterface
+{
+    /**
+     * Get the value associated with the given key. If the key does not
+     * exist, return null instead.
+     *
+     * @param string $key
+     *
+     * @return mixed
+     */
+    public function get($key);
+
+    /**
+     * Get all the key/value pairs for this bag.
+     *
+     * @return array
+     */
+    public function getAll();
+
+    /**
+     * Check whether there is a value associated with the given key.
+     *
+     * @param string $key
+     *
+     * @return boolean
+     */
+    public function has($key);
+}