data-tools.php

commit 74d99dcd637613beb06f81604be5f42c0d6a164d
parent b6b819722b9296fe827fcfebab780400b31aa7b0
Author: finwo <finwo@pm.me>
Date:   Sun, 17 Apr 2016 19:02:21 +0200

Added mappable

Diffstat:
A
src/Mappable.php
 | 
104
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 104 insertions(+), 0 deletions(-)
diff --git a/src/Mappable.php b/src/Mappable.php
@@ -0,0 +1,104 @@
+<?php
+
+namespace Finwo\Datatools;
+
+use Finwo\PropertyAccessor\PropertyAccessor;
+
+class Mappable implements \Iterator
+{
+    /**
+     * @var array
+     */
+    protected $indexes = array();
+
+    /**
+     * @var integer
+     */
+    protected $currentIndex = 0;
+
+    /**
+     * @var PropertyAccessor
+     */
+    protected $accessor = null;
+
+    /**
+     * Mappable constructor.
+     * @param null $data
+     */
+    public function __construct( $data = null )
+    {
+        // Build index
+        $reflect = new \ReflectionClass($this);
+        $this->indexes = $reflect->getProperties(\ReflectionProperty::IS_PUBLIC);
+
+        // Map stuff if needed
+        if ( is_array($data) || is_object($data) ) {
+            foreach($data as $key => $value) {
+                $this->getPropertyAccessor()->set($this, $key, $value);
+            }
+        }
+    }
+
+    /**
+     * @return PropertyAccessor
+     */
+    protected function getPropertyAccessor()
+    {
+        if (! $this->accessor instanceof PropertyAccessor ) {
+            // Run in debug mode, because we might have inaccessible stuff
+            $this->accessor = new PropertyAccessor(true);
+        }
+        return $this->accessor;
+    }
+
+    /**
+     * @return array|mixed|null
+     * @throws \Exception
+     */
+    public function current()
+    {
+        $name = $this->indexes[$this->currentIndex]->name;
+        return $this->getPropertyAccessor()->get($this, $name);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function next()
+    {
+        $this->currentIndex ++;
+    }
+
+    /**
+     * @return integer
+     */
+    public function key()
+    {
+        return $this->currentIndex;
+    }
+
+    /**
+     * @return boolean
+     */
+    public function valid()
+    {
+        return isset($this->indexes[$this->currentIndex]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function rewind()
+    {
+        $this->currentIndex = 0;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function reverse()
+    {
+        $this->indexes = array_reverse($this->indexes);
+        $this->rewind();
+    }
+}