Initial commit

src/PropertyList.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace NoccyLabs\PulseAudio;
+
+use ArrayAccess;
+use IteratorAggregate;
+use Countable;
+
+class PropertyList implements ArrayAccess, IteratorAggregate, Countable
+{
+
+    protected $properties = [];
+
+    protected $readOnly = false;
+
+    public function __construct(array $properties=[], $readOnly=false)
+    {
+        $this->properties = $properties;
+        $this->readOnly = $readOnly;
+    }
+
+    public function getIterator()
+    {
+        return new ArrayIterator($this->properties);
+    }
+
+    public function offsetGet($key)
+    {
+        if (!array_key_exist($key, $this->properties)) {
+            throw new InvalidArgumentException("No such property: {$key}");
+        }
+        return $this->properties[$key];
+    }
+
+    public function offsetSet($key, $value)
+    {
+        if ($this->readOnly) {
+            return;
+        }
+        $this->properties[$key] = $value;
+    }
+
+    public function offsetUnset($key)
+    {
+        if ($this->readOnly) {
+            return;
+        }
+        unset($this->properties[$key]);
+    }
+
+    public function offsetExists($key)
+    {
+        return array_key_exists($key, $this->properties);
+    }
+
+    public function count()
+    {
+        return count($this->properties);
+    }
+}
+