class Descriptor

class Descriptor {
    use GetPublicDescriptorTrait;
    private $internal_desc;
    
    /**
     * @internal
     */
    public function __construct($internal_desc) {
        $this->internal_desc = $internal_desc;
    }
    
    /**
     * @return string Full protobuf message name
     */
    public function getFullName() {
        return trim($this->internal_desc
            ->getFullName(), ".");
    }
    
    /**
     * @return string PHP class name
     */
    public function getClass() {
        return $this->internal_desc
            ->getClass();
    }
    
    /**
     * @param int $index Must be >= 0 and < getFieldCount()
     * @return FieldDescriptor
     */
    public function getField($index) {
        return $this->getPublicDescriptor($this->internal_desc
            ->getFieldByIndex($index));
    }
    
    /**
     * @return int Number of fields in message
     */
    public function getFieldCount() {
        return count($this->internal_desc
            ->getField());
    }
    
    /**
     * @param int $index Must be >= 0 and < getOneofDeclCount()
     * @return OneofDescriptor
     */
    public function getOneofDecl($index) {
        return $this->getPublicDescriptor($this->internal_desc
            ->getOneofDecl()[$index]);
    }
    
    /**
     * @return int Number of oneofs in message
     */
    public function getOneofDeclCount() {
        return count($this->internal_desc
            ->getOneofDecl());
    }
    
    /**
     * @return int Number of real oneofs in message
     */
    public function getRealOneofDeclCount() {
        return $this->internal_desc
            ->getRealOneofDeclCount();
    }

}