Option to convert property names to camel case

composer.json

@@ -13,7 +13,8 @@
     "require": {
         "php": ">=5.6.0",
         "symfony/property-info": "^3.2",
-        "phpdocumentor/reflection-docblock": "^3.1"
+        "phpdocumentor/reflection-docblock": "^3.1",
+        "doctrine/inflector": "^1.1"
     },
     "require-dev": {
         "phpspec/phpspec": "^3.2"

spec/SimpleXmlMapper/XmlMapperSpec.php

@@ -80,6 +80,16 @@ function it_maps_custom_types()
         $this->make_it_map_xml_to_object()->manufacturer->founded->shouldHaveType(DateTime::class);
     }
 
+    function it_converts_studly_case_to_camel_case()
+    {
+        $this->make_it_map_xml_to_object()->horsePower->shouldEqual(292);
+    }
+
+    function it_converts_snake_case_to_camel_case()
+    {
+        $this->make_it_map_xml_to_object()->litresPerHundred->shouldEqual(7.7);
+    }
+
     function make_it_map_xml_to_object()
     {
         $file = <<<XML
@@ -106,10 +116,12 @@ function make_it_map_xml_to_object()
     </options>
     <hybrid>false</hybrid>
     <awd>true</awd>
+    <HorsePower>292</HorsePower>
+    <litres_per_hundred>7.7</litres_per_hundred>
 </car>
 XML;
         $xml = new SimpleXMLElement($file);
-        return $this->map($xml, Car::class);
+        return $this->map($xml, Car::class, true);
     }
 
     function getMatchers()
@@ -168,6 +180,16 @@ class Car
      * @var bool
      */
     public $awd;
+
+    /**
+     * @var int
+     */
+    public $horsePower;
+
+    /**
+     * @var float
+     */
+    public $litresPerHundred;
 }
 
 class Manufacturer

src/XmlMapper.php

@@ -5,6 +5,7 @@
 use SimpleXMLElement;
 use InvalidArgumentException;
 use UnexpectedValueException;
+use Doctrine\Common\Inflector\Inflector;
 use Symfony\Component\PropertyInfo\Type;
 use Symfony\Component\PropertyInfo\PropertyInfoExtractorInterface;
 
@@ -59,9 +60,10 @@ public function addType($type, callable $callback)
      *
      * @param SimpleXMLElement $xml
      * @param string $class
+     * @param bool $camelize
      * @return mixed
      */
-    public function map(SimpleXMLElement $xml, $class)
+    public function map(SimpleXMLElement $xml, $class, $camelize = false)
     {
         if (!class_exists($class)) {
             throw new InvalidArgumentException("Class [$class] does not exist");
@@ -73,6 +75,10 @@ public function map(SimpleXMLElement $xml, $class)
         foreach ($xml as $node) {
             $name = $node->getName();
 
+            if ($camelize) {
+                $name = Inflector::camelize($name);
+            }
+
             if (in_array($name, $properties)) {
                 $type = $this->getType($class, $name) ?: $this->defaultType;
                 $entity->{$name} = $this->getValue($node, $type);