/**
* Initializes a empty metric container for the given class node.
*
* @param \PDepend\Source\AST\ASTClass $class
* @return void
* @since 0.9.10
*/
private function initNodeMetricsForClass(ASTClass $class)
{
$id = $class->getId();
if (isset($this->nodeMetrics[$id])) {
return;
}
++$this->numberOfClasses;
$this->nodeMetrics[$id] = array(self::M_DEPTH_OF_INHERITANCE_TREE => 0, self::M_NUMBER_OF_ADDED_METHODS => 0, self::M_NUMBER_OF_DERIVED_CLASSES => 0, self::M_NUMBER_OF_OVERWRITTEN_METHODS => 0);
foreach ($class->getParentClasses() as $parent) {
$this->initNodeMetricsForClass($parent);
}
}
/**
* testGetParentClassesReturnsEmptyArrayByDefault
*
* @return void
*/
public function testGetParentClassesReturnsEmptyArrayByDefault()
{
$class = new ASTClass(__CLASS__);
$this->assertSame(array(), $class->getParentClasses());
}
/**
* Calculates the Variables Inheritance of a class metric, this method only
* counts protected and public properties of parent classes.
*
* @param \PDepend\Source\AST\ASTClass $class The context class instance.
* @return integer
*/
private function calculateVarsi(ASTClass $class)
{
// List of properties, this method only counts not overwritten properties
$properties = array();
// Collect all properties of the context class
foreach ($class->getProperties() as $prop) {
$properties[$prop->getName()] = true;
}
foreach ($class->getParentClasses() as $parent) {
foreach ($parent->getProperties() as $prop) {
if (!$prop->isPrivate() && !isset($properties[$prop->getName()])) {
$properties[$prop->getName()] = true;
}
}
}
return count($properties);
}