Merge branch 'feature/module-manager-events' of https://github.com/Ev…

…anDotPro/zf2 into features/module-events-refactor

src/Options.php

@@ -0,0 +1,92 @@
+<?php
+
+namespace Zend\Stdlib;
+
+abstract class Options implements ParameterObject
+{
+
+    public function __construct($config = null)
+    {
+        if (!is_null($config)) {
+            if (is_array($config) || $config instanceof \Traversable) {
+                $this->processArray($config);
+            } else {
+                throw new \InvalidArgumentException(
+                    'Parameter to \\Zend\\Stdlib\\Options\'s '
+                    . 'constructor must be an array or implement the '
+                    . '\\Traversable interface'
+                );
+            }
+        }
+    }
+
+    protected function processArray(array $config)
+    {
+        foreach ($config as $key => $value) {
+            $setter = $this->assembleSetterNameFromConfigKey($key);
+            $this->{$setter}($value);
+        }
+    }
+
+    protected function assembleSetterNameFromConfigKey($key)
+    {
+        $parts = explode('_', $key);
+        $parts = array_map('ucfirst', $parts);
+        $setter = 'set' . implode('', $parts);
+        if (!method_exists($this, $setter)) {
+            throw new \BadMethodCallException(
+                'The configuration key "' . $key . '" does not '
+                . 'have a matching ' . $setter . ' setter method '
+                . 'which must be defined'
+            );
+        }
+        return $setter;
+    }
+
+    protected function assembleGetterNameFromConfigKey($key)
+    {
+        $parts = explode('_', $key);
+        $parts = array_map('ucfirst', $parts);
+        $getter = 'get' . implode('', $parts);
+        if (!method_exists($this, $getter)) {
+            throw new \BadMethodCallException(
+                'The configuration key "' . $key . '" does not '
+                . 'have a matching ' . $getter . ' getter method '
+                . 'which must be defined'
+            );
+        }
+        return $getter;
+    }
+
+    public function __set($key, $value)
+    {
+        $setter = $this->assembleSetterNameFromConfigKey($key);
+        $this->{$setter}($value);
+    }
+
+    public function __get($key)
+    {
+        $getter = $this->assembleGetterNameFromConfigKey($key);
+        return $this->{$getter}();
+    }
+
+    public function __isset($key)
+    {
+        $getter = $this->assembleGetterNameFromConfigKey($key);
+        return !is_null($this->{$getter}());
+    }
+
+    public function __unset($key)
+    {
+        $setter = $this->assembleSetterNameFromConfigKey($key);
+        try {
+            $this->{$setter}(null);
+        } catch(\InvalidArgumentException $e) {
+            throw new \InvalidArgumentException(
+                'The class property $' . $key . ' cannot be unset as'
+                . ' NULL is an invalid value for it: ' . $e->getMessage()
+            );
+        }
+    }
+
+}

src/ParameterObject.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Zend\Stdlib;
+
+interface ParameterObject
+{
+
+    public function __set($key, $value);
+
+    public function __get($key);
+
+    public function __isset($key);
+
+    public function __unset($key);
+
+}