File "FieldDescriptor.php"
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<?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;
class FieldDescriptor
{
use HasPublicDescriptorTrait;
private $name;
private $json_name;
private $setter;
private $getter;
private $number;
private $label;
private $type;
private $message_type;
private $enum_type;
private $packed;
private $oneof_index = -1;
private $proto3_optional;
/** @var OneofDescriptor $containing_oneof */
private $containing_oneof;
public function __construct()
{
$this->public_desc = new \Google\Protobuf\FieldDescriptor($this);
}
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 $this->name;
}
public function setJsonName($json_name)
{
$this->json_name = $json_name;
}
public function getJsonName()
{
return $this->json_name;
}
public function setSetter($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 getProto3Optional()
{
return $this->proto3_optional;
}
public function setProto3Optional($proto3_optional)
{
$this->proto3_optional = $proto3_optional;
}
public function getContainingOneof()
{
return $this->containing_oneof;
}
public function setContainingOneof($containing_oneof)
{
$this->containing_oneof = $containing_oneof;
}
public function getRealContainingOneof()
{
return !is_null($this->containing_oneof) && !$this->containing_oneof->isSynthetic()
? $this->containing_oneof : null;
}
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();
}
public function isTimestamp()
{
return $this->getType() == GPBType::MESSAGE &&
$this->getMessageType()->getClass() === "Google\Protobuf\Timestamp";
}
public function isWrapperType()
{
if ($this->getType() == GPBType::MESSAGE) {
$class = $this->getMessageType()->getClass();
return in_array($class, [
"Google\Protobuf\DoubleValue",
"Google\Protobuf\FloatValue",
"Google\Protobuf\Int64Value",
"Google\Protobuf\UInt64Value",
"Google\Protobuf\Int32Value",
"Google\Protobuf\UInt32Value",
"Google\Protobuf\BoolValue",
"Google\Protobuf\StringValue",
"Google\Protobuf\BytesValue",
]);
}
return false;
}
private static function isTypePackable($field_type)
{
return ($field_type !== GPBType::STRING &&
$field_type !== GPBType::GROUP &&
$field_type !== GPBType::MESSAGE &&
$field_type !== GPBType::BYTES);
}
/**
* @param FieldDescriptorProto $proto
* @return FieldDescriptor
*/
public static function getFieldDescriptor($proto)
{
$type_name = null;
$type = $proto->getType();
switch ($type) {
case GPBType::MESSAGE:
case GPBType::GROUP:
case GPBType::ENUM:
$type_name = $proto->getTypeName();
break;
default:
break;
}
$oneof_index = $proto->hasOneofIndex() ? $proto->getOneofIndex() : -1;
// TODO: once proto2 is supported, this default should be false
// for proto2.
if ($proto->getLabel() === GPBLabel::REPEATED &&
$proto->getType() !== GPBType::MESSAGE &&
$proto->getType() !== GPBType::GROUP &&
$proto->getType() !== GPBType::STRING &&
$proto->getType() !== GPBType::BYTES) {
$packed = true;
} else {
$packed = false;
}
$options = $proto->getOptions();
if ($options !== null) {
$packed = $options->getPacked();
}
$field = new FieldDescriptor();
$field->setName($proto->getName());
if ($proto->hasJsonName()) {
$json_name = $proto->getJsonName();
} else {
$proto_name = $proto->getName();
$json_name = implode('', array_map('ucwords', explode('_', $proto_name)));
if ($proto_name[0] !== "_" && !ctype_upper($proto_name[0])) {
$json_name = lcfirst($json_name);
}
}
$field->setJsonName($json_name);
$camel_name = implode('', array_map('ucwords', explode('_', $proto->getName())));
$field->setGetter('get' . $camel_name);
$field->setSetter('set' . $camel_name);
$field->setType($proto->getType());
$field->setNumber($proto->getNumber());
$field->setLabel($proto->getLabel());
$field->setPacked($packed);
$field->setOneofIndex($oneof_index);
$field->setProto3Optional($proto->getProto3Optional());
// 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)
{
return FieldDescriptor::getFieldDescriptor($proto);
}
}