class Descriptor

class Descriptor {
    use HasPublicDescriptorTrait;
    private $full_name;
    private $field = [];
    private $json_to_field = [];
    private $name_to_field = [];
    private $index_to_field = [];
    private $nested_type = [];
    private $enum_type = [];
    private $klass;
    private $legacy_klass;
    private $previous_klass;
    private $options;
    private $oneof_decl = [];
    public function __construct() {
        $this->public_desc = new \Google\Protobuf\Descriptor($this);
    }
    public function addOneofDecl($oneof) {
        $this->oneof_decl[] = $oneof;
    }
    public function getOneofDecl() {
        return $this->oneof_decl;
    }
    public function setFullName($full_name) {
        $this->full_name = $full_name;
    }
    public function getFullName() {
        return $this->full_name;
    }
    public function addField($field) {
        $this->field[$field->getNumber()] = $field;
        $this->json_to_field[$field->getJsonName()] = $field;
        $this->name_to_field[$field->getName()] = $field;
        $this->index_to_field[] = $field;
    }
    public function getField() {
        return $this->field;
    }
    public function addNestedType($desc) {
        $this->nested_type[] = $desc;
    }
    public function getNestedType() {
        return $this->nested_type;
    }
    public function addEnumType($desc) {
        $this->enum_type[] = $desc;
    }
    public function getEnumType() {
        return $this->enum_type;
    }
    public function getFieldByNumber($number) {
        if (!isset($this->field[$number])) {
            return NULL;
        }
        else {
            return $this->field[$number];
        }
    }
    public function getFieldByJsonName($json_name) {
        if (!isset($this->json_to_field[$json_name])) {
            return NULL;
        }
        else {
            return $this->json_to_field[$json_name];
        }
    }
    public function getFieldByName($name) {
        if (!isset($this->name_to_field[$name])) {
            return NULL;
        }
        else {
            return $this->name_to_field[$name];
        }
    }
    public function getFieldByIndex($index) {
        if (count($this->index_to_field) <= $index) {
            return NULL;
        }
        else {
            return $this->index_to_field[$index];
        }
    }
    public function setClass($klass) {
        $this->klass = $klass;
    }
    public function getClass() {
        return $this->klass;
    }
    public function setLegacyClass($klass) {
        $this->legacy_klass = $klass;
    }
    public function getLegacyClass() {
        return $this->legacy_klass;
    }
    public function setPreviouslyUnreservedClass($klass) {
        $this->previous_klass = $klass;
    }
    public function getPreviouslyUnreservedClass() {
        return $this->previous_klass;
    }
    public function setOptions($options) {
        $this->options = $options;
    }
    public function getOptions() {
        return $this->options;
    }
    public static function buildFromProto($proto, $file_proto, $containing) {
        $desc = new Descriptor();
        $message_name_without_package = "";
        $classname = "";
        $legacy_classname = "";
        $previous_classname = "";
        $fullname = "";
        GPBUtil::getFullClassName($proto, $containing, $file_proto, $message_name_without_package, $classname, $legacy_classname, $fullname, $previous_classname);
        $desc->setFullName($fullname);
        $desc->setClass($classname);
        $desc->setLegacyClass($legacy_classname);
        $desc->setPreviouslyUnreservedClass($previous_classname);
        $desc->setOptions($proto->getOptions());
        foreach ($proto->getField() as $field_proto) {
            $desc->addField(FieldDescriptor::buildFromProto($field_proto));
        }
        // Handle nested types.
        foreach ($proto->getNestedType() as $nested_proto) {
            $desc->addNestedType(Descriptor::buildFromProto($nested_proto, $file_proto, $message_name_without_package));
        }
        // Handle nested enum.
        foreach ($proto->getEnumType() as $enum_proto) {
            $desc->addEnumType(EnumDescriptor::buildFromProto($enum_proto, $file_proto, $message_name_without_package));
        }
        // Handle oneof fields.
        $index = 0;
        foreach ($proto->getOneofDecl() as $oneof_proto) {
            $desc->addOneofDecl(OneofDescriptor::buildFromProto($oneof_proto, $desc, $index));
            $index++;
        }
        return $desc;
    }

}