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PFilterDescriptor.php
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PFilterDescriptor.php
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<?php
namespace Poundation;
class PFilterDescriptor extends PObject
{
private $descriptor;
private $value;
private $publicProperty = null;
private $publicAccessor = null;
public function __construct($property, $value)
{
$this->descriptor = $property;
$this->value = $value;
}
public function getDescriptor()
{
return $this->descriptor;
}
public function doesElementMatch($element)
{
$property = $this->getDescriptor();
$canDetermine = false;
$value = null;
if (is_null($this->publicProperty) && is_null($this->publicAccessor)) {
$reflectionClass = new \ReflectionClass($element);
if (property_exists($element, $this->descriptor)) {
$propertyClass = $reflectionClass->getProperty($property);
if ($propertyClass->isPublic()) {
$this->publicProperty = $property;
} else {
$this->publicProperty = false;
}
}
if (is_null($this->publicProperty) || $this->publicProperty === false) {
$method = 'get' . PString::createFromString($property)->uppercaseAtBeginning();
if (method_exists($element, $method)) {
$methodClass = $reflectionClass->getMethod($method);
if ($methodClass->isPublic()) {
$this->publicAccessor = $method;
} else {
$this->publicAccessor = false;
}
}
}
if ((is_null($this->publicProperty) && is_null($this->publicAccessor)) || ($this->publicProperty === false && $this->publicAccessor === false)) {
$method = $property;
if (method_exists($element, $method)) {
$methodClass = $reflectionClass->getMethod($method);
if ($methodClass->isPublic()) {
$this->publicAccessor = $method;
} else {
$this->publicAccessor = false;
}
}
}
if ((is_null($this->publicProperty) && is_null($this->publicAccessor)) || ($this->publicProperty === false && $this->publicAccessor === false)) {
$method = 'is' . PString::createFromString($property)->uppercaseAtBeginning();;
if (method_exists($element, $method)) {
$methodClass = $reflectionClass->getMethod($method);
if ($methodClass->isPublic()) {
$this->publicAccessor = $method;
} else {
$this->publicAccessor = false;
}
}
}
}
if (is_string($this->publicProperty)) {
$canDetermine = true;
$value = $element->$property;
} else if (is_string($this->publicAccessor)) {
$canDetermine = true;
$value = call_user_func(array(
$element,
$this->publicAccessor
));
}
if ($canDetermine) {
return ($value === $this->value);
} else {
throw new \Exception('Cannot determine value for property ' . $property . '.');
}
}
}