php/src/Google/Protobuf/descriptor.php - third_party/protobuf - Git at Google

 <?php

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
 // https://developers.google.com/protocol-buffers/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
 // distribution.
 //     * Neither the name of Google Inc. nor the names of its
 // contributors may be used to endorse or promote products derived from
 // this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 namespace Google\Protobuf\Internal;

 use Google\Protobuf\Internal\GPBType;
 use Google\Protobuf\Internal\MessageOptions;

 class FileDescriptor
 {

     private $package;
     private $message_type = [];
     private $enum_type = [];

     public function setPackage($package)
     {
         $this->package = $package;
     }

     public function getPackage()
     {
         return $this->package;
     }

     public function getMessageType()
     {
         return $this->message_type;
     }

     public function addMessageType($desc)
     {
         $this->message_type[] = $desc;
     }

     public function getEnumType()
     {
         return $this->enum_type;
     }

     public function addEnumType($desc)
     {
         $this->enum_type[]= $desc;
     }

     public static function buildFromProto($proto)
     {
         $file = new FileDescriptor();
         $file->setPackage($proto->getPackage());
         foreach ($proto->getMessageType() as $message_proto) {
             $file->addMessageType(Descriptor::buildFromProto(
                 $message_proto, $proto, ""));
         }
         foreach ($proto->getEnumType() as $enum_proto) {
             $file->getEnumType()[] =
                 $file->addEnumType(
                     EnumDescriptor::buildFromProto(
                         $enum_proto,
                         $proto,
                         ""));
         }
         return $file;
     }
 }

 class Descriptor
 {

     private $full_name;
     private $field = [];
     private $nested_type = [];
     private $enum_type = [];
     private $klass;
     private $options;
     private $oneof_decl = [];

     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;
     }

     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 setClass($klass)
     {
         $this->klass = $klass;
     }

     public function getClass()
     {
         return $this->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 = "";
         $fullname = "";
         getFullClassName(
             $proto,
             $containing,
             $file_proto,
             $message_name_without_package,
             $classname,
             $fullname);
         $desc->setFullName($fullname);
         $desc->setClass($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.
         foreach ($proto->getOneofDecl() as $oneof_proto) {
             $desc->addOneofDecl(
                 OneofDescriptor::buildFromProto($oneof_proto, $desc));
         }

         return $desc;
     }
 }

 function getClassNamePrefix(
     $classname,
     $file_proto)
 {
     $option = $file_proto->getOptions();
     $prefix = is_null($option) ? "" : $option->getPhpClassPrefix();
     if ($prefix !== "") {
         return $prefix;
     }

     $reserved_words = array("Empty");
     foreach ($reserved_words as $reserved_word) {
         if ($classname === $reserved_word) {
             if ($file_proto->getPackage() === "google.protobuf") {
                 return "GPB";
             } else {
                 return "PB";
             }
         }
     }

     return "";
 }

 function getClassNameWithoutPackage(
     $name,
     $file_proto)
 {
     $classname = implode('_', array_map('ucwords', explode('.', $name)));
     return getClassNamePrefix($classname, $file_proto) . $classname;
 }

 function getFullClassName(
     $proto,
     $containing,
     $file_proto,
     &$message_name_without_package,
     &$classname,
     &$fullname)
 {
     // Full name needs to start with '.'.
     $message_name_without_package = $proto->getName();
     if ($containing !== "") {
         $message_name_without_package =
             $containing . "." . $message_name_without_package;
     }

     $package = $file_proto->getPackage();
     if ($package === "") {
         $fullname = "." . $message_name_without_package;
     } else {
         $fullname = "." . $package . "." . $message_name_without_package;
     }

     $class_name_without_package =
         getClassNameWithoutPackage($message_name_without_package, $file_proto);
     if ($package === "") {
         $classname = $class_name_without_package;
     } else {
         $classname =
             implode('\\', array_map('ucwords', explode('.', $package))).
             "\\".$class_name_without_package;
     }
 }

 class OneofDescriptor
 {

     private $name;
     private $fields;

     public function setName($name)
     {
         $this->name = $name;
     }

     public function getName()
     {
         return $this->name;
     }

     public function addField(&$field)
     {
         $this->fields[] = $field;
     }

     public function getFields()
     {
         return $this->fields;
     }

     public static function buildFromProto($oneof_proto)
     {
         $oneof = new OneofDescriptor();
         $oneof->setName($oneof_proto->getName());
         return $oneof;
     }
 }


 class EnumDescriptor
 {

     private $klass;
     private $full_name;
     private $value;

     public function setFullName($full_name)
     {
         $this->full_name = $full_name;
     }

     public function getFullName()
     {
         return $this->full_name;
     }

     public function addValue($number, $value)
     {
         $this->value[$number] = $value;
     }

     public function setClass($klass)
     {
         $this->klass = $klass;
     }

     public function getClass()
     {
         return $this->klass;
     }

     public static function buildFromProto($proto, $file_proto, $containing)
     {
         $desc = new EnumDescriptor();

         $enum_name_without_package  = "";
         $classname = "";
         $fullname = "";
         getFullClassName(
             $proto,
             $containing,
             $file_proto,
             $enum_name_without_package,
             $classname,
             $fullname);
         $desc->setFullName($fullname);
         $desc->setClass($classname);

         return $desc;
     }
 }

 class EnumValueDescriptor
 {
 }

 class FieldDescriptor
 {

     private $name;
     private $setter;
     private $getter;
     private $number;
     private $label;
     private $type;
     private $message_type;
     private $enum_type;
     private $packed;
     private $is_map;
     private $oneof_index = -1;

     public function setOneofIndex($index)
     {
         $this->oneof_index = $index;
     }

     public function getOneofIndex()
     {
         return $this->oneof_index;
     }

     public function setName($name)
     {
         $this->name = $name;
     }

     public function getName()
     {
         return $this->name;
     }

     public function setSetter($setter)
     {
         $this->setter = $setter;
     }

     public function getSetter()
     {
         return $this->setter;
     }

     public function setGetter($getter)
     {
         $this->getter = $getter;
     }

     public function getGetter()
     {
         return $this->getter;
     }

     public function setNumber($number)
     {
         $this->number = $number;
     }

     public function getNumber()
     {
         return $this->number;
     }

     public function setLabel($label)
     {
         $this->label = $label;
     }

     public function getLabel()
     {
         return $this->label;
     }

     public function isRepeated()
     {
         return $this->label === GPBLabel::REPEATED;
     }

     public function setType($type)
     {
         $this->type = $type;
     }

     public function getType()
     {
         return $this->type;
     }

     public function setMessageType($message_type)
     {
         $this->message_type = $message_type;
     }

     public function getMessageType()
     {
         return $this->message_type;
     }

     public function setEnumType($enum_type)
     {
         $this->enum_type = $enum_type;
     }

     public function getEnumType()
     {
         return $this->enum_type;
     }

     public function setPacked($packed)
     {
         $this->packed = $packed;
     }

     public function getPacked()
     {
         return $this->packed;
     }

     public function isPackable()
     {
         return $this->isRepeated() && self::isTypePackable($this->type);
     }

     public function isMap()
     {
         return $this->getType() == GPBType::MESSAGE &&
                !is_null($this->getMessageType()->getOptions()) &&
                $this->getMessageType()->getOptions()->getMapEntry();
     }

     private static function isTypePackable($field_type)
     {
         return ($field_type !== GPBType::STRING  &&
             $field_type !== GPBType::GROUP   &&
             $field_type !== GPBType::MESSAGE &&
             $field_type !== GPBType::BYTES);
     }

     public static function getFieldDescriptor(
         $name,
         $label,
         $type,
         $number,
         $oneof_index,
         $packed,
         $type_name = null)
     {
         $field = new FieldDescriptor();
         $field->setName($name);
         $camel_name = implode('', array_map('ucwords', explode('_', $name)));
         $field->setGetter('get' . $camel_name);
         $field->setSetter('set' . $camel_name);
         $field->setType($type);
         $field->setNumber($number);
         $field->setLabel($label);
         $field->setPacked($packed);
         $field->setOneofIndex($oneof_index);

         // At this time, the message/enum type may have not been added to pool.
         // So we use the type name as place holder and will replace it with the
         // actual descriptor in cross building.
         switch ($type) {
             case GPBType::MESSAGE:
                 $field->setMessageType($type_name);
                 break;
             case GPBType::ENUM:
                 $field->setEnumType($type_name);
                 break;
             default:
                 break;
         }

         return $field;
     }

     public static function buildFromProto($proto)
     {
         $type_name = null;
         switch ($proto->getType()) {
             case GPBType::MESSAGE:
             case GPBType::GROUP:
             case GPBType::ENUM:
                 $type_name = $proto->getTypeName();
                 break;
             default:
                 break;
         }

         $oneof_index = $proto->hasOneofIndex() ? $proto->getOneofIndex() : -1;
         $packed = false;
         $options = $proto->getOptions();
         if ($options !== null) {
             $packed = $options->getPacked();
         }

         return FieldDescriptor::getFieldDescriptor(
             $proto->getName(), $proto->getLabel(), $proto->getType(),
             $proto->getNumber(), $oneof_index, $packed, $type_name);
     }
 }
	<?php

	// Protocol Buffers - Google's data interchange format
	// Copyright 2008 Google Inc. All rights reserved.
	// https://developers.google.com/protocol-buffers/
	//
	// Redistribution and use in source and binary forms, with or without
	// modification, are permitted provided that the following conditions are
	// met:
	//
	// * Redistributions of source code must retain the above copyright
	// notice, this list of conditions and the following disclaimer.
	// * Redistributions in binary form must reproduce the above
	// copyright notice, this list of conditions and the following disclaimer
	// in the documentation and/or other materials provided with the
	// distribution.
	// * Neither the name of Google Inc. nor the names of its
	// contributors may be used to endorse or promote products derived from
	// this software without specific prior written permission.
	//
	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

	namespace Google\Protobuf\Internal;

	use Google\Protobuf\Internal\GPBType;
	use Google\Protobuf\Internal\MessageOptions;

	class FileDescriptor
	{

	private $package;
	private $message_type = [];
	private $enum_type = [];

	public function setPackage($package)
	{
	$this->package = $package;
	}

	public function getPackage()
	{
	return $this->package;
	}

	public function getMessageType()
	{
	return $this->message_type;
	}

	public function addMessageType($desc)
	{
	$this->message_type[] = $desc;
	}

	public function getEnumType()
	{
	return $this->enum_type;
	}

	public function addEnumType($desc)
	{
	$this->enum_type[]= $desc;
	}

	public static function buildFromProto($proto)
	{
	$file = new FileDescriptor();
	$file->setPackage($proto->getPackage());
	foreach ($proto->getMessageType() as $message_proto) {
	$file->addMessageType(Descriptor::buildFromProto(
	$message_proto, $proto, ""));
	}
	foreach ($proto->getEnumType() as $enum_proto) {
	$file->getEnumType()[] =
	$file->addEnumType(
	EnumDescriptor::buildFromProto(
	$enum_proto,
	$proto,
	""));
	}
	return $file;
	}
	}

	class Descriptor
	{

	private $full_name;
	private $field = [];
	private $nested_type = [];
	private $enum_type = [];
	private $klass;
	private $options;
	private $oneof_decl = [];

	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;
	}

	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 setClass($klass)
	{
	$this->klass = $klass;
	}

	public function getClass()
	{
	return $this->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 = "";
	$fullname = "";
	getFullClassName(
	$proto,
	$containing,
	$file_proto,
	$message_name_without_package,
	$classname,
	$fullname);
	$desc->setFullName($fullname);
	$desc->setClass($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.
	foreach ($proto->getOneofDecl() as $oneof_proto) {
	$desc->addOneofDecl(
	OneofDescriptor::buildFromProto($oneof_proto, $desc));
	}

	return $desc;
	}
	}

	function getClassNamePrefix(
	$classname,
	$file_proto)
	{
	$option = $file_proto->getOptions();
	$prefix = is_null($option) ? "" : $option->getPhpClassPrefix();
	if ($prefix !== "") {
	return $prefix;
	}

	$reserved_words = array("Empty");
	foreach ($reserved_words as $reserved_word) {
	if ($classname === $reserved_word) {
	if ($file_proto->getPackage() === "google.protobuf") {
	return "GPB";
	} else {
	return "PB";
	}
	}
	}

	return "";
	}

	function getClassNameWithoutPackage(
	$name,
	$file_proto)
	{
	$classname = implode('_', array_map('ucwords', explode('.', $name)));
	return getClassNamePrefix($classname, $file_proto) . $classname;
	}

	function getFullClassName(
	$proto,
	$containing,
	$file_proto,
	&$message_name_without_package,
	&$classname,
	&$fullname)
	{
	// Full name needs to start with '.'.
	$message_name_without_package = $proto->getName();
	if ($containing !== "") {
	$message_name_without_package =
	$containing . "." . $message_name_without_package;
	}

	$package = $file_proto->getPackage();
	if ($package === "") {
	$fullname = "." . $message_name_without_package;
	} else {
	$fullname = "." . $package . "." . $message_name_without_package;
	}

	$class_name_without_package =
	getClassNameWithoutPackage($message_name_without_package, $file_proto);
	if ($package === "") {
	$classname = $class_name_without_package;
	} else {
	$classname =
	implode('\\', array_map('ucwords', explode('.', $package))).
	"\\".$class_name_without_package;
	}
	}

	class OneofDescriptor
	{

	private $name;
	private $fields;

	public function setName($name)
	{
	$this->name = $name;
	}

	public function getName()
	{
	return $this->name;
	}

	public function addField(&$field)
	{
	$this->fields[] = $field;
	}

	public function getFields()
	{
	return $this->fields;
	}

	public static function buildFromProto($oneof_proto)
	{
	$oneof = new OneofDescriptor();
	$oneof->setName($oneof_proto->getName());
	return $oneof;
	}
	}


	class EnumDescriptor
	{

	private $klass;
	private $full_name;
	private $value;

	public function setFullName($full_name)
	{
	$this->full_name = $full_name;
	}

	public function getFullName()
	{
	return $this->full_name;
	}

	public function addValue($number, $value)
	{
	$this->value[$number] = $value;
	}

	public function setClass($klass)
	{
	$this->klass = $klass;
	}

	public function getClass()
	{
	return $this->klass;
	}

	public static function buildFromProto($proto, $file_proto, $containing)
	{
	$desc = new EnumDescriptor();

	$enum_name_without_package = "";
	$classname = "";
	$fullname = "";
	getFullClassName(
	$proto,
	$containing,
	$file_proto,
	$enum_name_without_package,
	$classname,
	$fullname);
	$desc->setFullName($fullname);
	$desc->setClass($classname);

	return $desc;
	}
	}

	class EnumValueDescriptor
	{
	}

	class FieldDescriptor
	{

	private $name;
	private $setter;
	private $getter;
	private $number;
	private $label;
	private $type;
	private $message_type;
	private $enum_type;
	private $packed;
	private $is_map;
	private $oneof_index = -1;

	public function setOneofIndex($index)
	{
	$this->oneof_index = $index;
	}

	public function getOneofIndex()
	{
	return $this->oneof_index;
	}

	public function setName($name)
	{
	$this->name = $name;
	}

	public function getName()
	{
	return $this->name;
	}

	public function setSetter($setter)
	{
	$this->setter = $setter;
	}

	public function getSetter()
	{
	return $this->setter;
	}

	public function setGetter($getter)
	{
	$this->getter = $getter;
	}

	public function getGetter()
	{
	return $this->getter;
	}

	public function setNumber($number)
	{
	$this->number = $number;
	}

	public function getNumber()
	{
	return $this->number;
	}

	public function setLabel($label)
	{
	$this->label = $label;
	}

	public function getLabel()
	{
	return $this->label;
	}

	public function isRepeated()
	{
	return $this->label === GPBLabel::REPEATED;
	}

	public function setType($type)
	{
	$this->type = $type;
	}

	public function getType()
	{
	return $this->type;
	}

	public function setMessageType($message_type)
	{
	$this->message_type = $message_type;
	}

	public function getMessageType()
	{
	return $this->message_type;
	}

	public function setEnumType($enum_type)
	{
	$this->enum_type = $enum_type;
	}

	public function getEnumType()
	{
	return $this->enum_type;
	}

	public function setPacked($packed)
	{
	$this->packed = $packed;
	}

	public function getPacked()
	{
	return $this->packed;
	}

	public function isPackable()
	{
	return $this->isRepeated() && self::isTypePackable($this->type);
	}

	public function isMap()
	{
	return $this->getType() == GPBType::MESSAGE &&
	!is_null($this->getMessageType()->getOptions()) &&
	$this->getMessageType()->getOptions()->getMapEntry();
	}

	private static function isTypePackable($field_type)
	{
	return ($field_type !== GPBType::STRING &&
	$field_type !== GPBType::GROUP &&
	$field_type !== GPBType::MESSAGE &&
	$field_type !== GPBType::BYTES);
	}

	public static function getFieldDescriptor(
	$name,
	$label,
	$type,
	$number,
	$oneof_index,
	$packed,
	$type_name = null)
	{
	$field = new FieldDescriptor();
	$field->setName($name);
	$camel_name = implode('', array_map('ucwords', explode('_', $name)));
	$field->setGetter('get' . $camel_name);
	$field->setSetter('set' . $camel_name);
	$field->setType($type);
	$field->setNumber($number);
	$field->setLabel($label);
	$field->setPacked($packed);
	$field->setOneofIndex($oneof_index);

	// At this time, the message/enum type may have not been added to pool.
	// So we use the type name as place holder and will replace it with the
	// actual descriptor in cross building.
	switch ($type) {
	case GPBType::MESSAGE:
	$field->setMessageType($type_name);
	break;
	case GPBType::ENUM:
	$field->setEnumType($type_name);
	break;
	default:
	break;
	}

	return $field;
	}

	public static function buildFromProto($proto)
	{
	$type_name = null;
	switch ($proto->getType()) {
	case GPBType::MESSAGE:
	case GPBType::GROUP:
	case GPBType::ENUM:
	$type_name = $proto->getTypeName();
	break;
	default:
	break;
	}

	$oneof_index = $proto->hasOneofIndex() ? $proto->getOneofIndex() : -1;
	$packed = false;
	$options = $proto->getOptions();
	if ($options !== null) {
	$packed = $options->getPacked();
	}

	return FieldDescriptor::getFieldDescriptor(
	$proto->getName(), $proto->getLabel(), $proto->getType(),
	$proto->getNumber(), $oneof_index, $packed, $type_name);
	}
	}