php/src/Google/Protobuf/Internal/RepeatedField.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.

 /**
  * RepeatedField and RepeatedFieldIter are used by generated protocol message
  * classes to manipulate repeated fields.
  */

 namespace Google\Protobuf\Internal;

 use Google\Protobuf\Internal\GPBType;
 use Google\Protobuf\Internal\GPBUtil;
 use Traversable;

 /**
  * RepeatedField is used by generated protocol message classes to manipulate
  * repeated fields. It can be used like native PHP array.
  */
 class RepeatedField implements \ArrayAccess, \IteratorAggregate, \Countable
 {

     /**
      * @ignore
      */
     private $container;
     /**
      * @ignore
      */
     private $type;
     /**
      * @ignore
      */
     private $klass;
     /**
      * @ignore
      */
     private $legacy_klass;

     /**
      * Constructs an instance of RepeatedField.
      *
      * @param integer $type Type of the stored element.
      * @param string $klass Message/Enum class name (message/enum fields only).
      * @ignore
      */
     public function __construct($type, $klass = null)
     {
         $this->container = [];
         $this->type = $type;
         if ($this->type == GPBType::MESSAGE) {
             $pool = DescriptorPool::getGeneratedPool();
             $desc = $pool->getDescriptorByClassName($klass);
             if ($desc == NULL) {
                 new $klass;  // No msg class instance has been created before.
                 $desc = $pool->getDescriptorByClassName($klass);
             }
             $this->klass = $desc->getClass();
             $this->legacy_klass = $desc->getLegacyClass();
         }
     }

     /**
      * @ignore
      */
     public function getType()
     {
         return $this->type;
     }

     /**
      * @ignore
      */
     public function getClass()
     {
         return $this->klass;
     }

     /**
      * @ignore
      */
     public function getLegacyClass()
     {
         return $this->legacy_klass;
     }

     /**
      * Return the element at the given index.
      *
      * This will also be called for: $ele = $arr[0]
      *
      * @param integer $offset The index of the element to be fetched.
      * @return mixed The stored element at given index.
      * @throws \ErrorException Invalid type for index.
      * @throws \ErrorException Non-existing index.
      * @todo need to add return type mixed (require update php version to 8.0)
      */
     #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return $this->container[$offset];
     }

     /**
      * Assign the element at the given index.
      *
      * This will also be called for: $arr []= $ele and $arr[0] = ele
      *
      * @param int|null $offset The index of the element to be assigned.
      * @param mixed $value The element to be assigned.
      * @return void
      * @throws \ErrorException Invalid type for index.
      * @throws \ErrorException Non-existing index.
      * @throws \ErrorException Incorrect type of the element.
      * @todo need to add return type void (require update php version to 7.1)
      */
     #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         switch ($this->type) {
             case GPBType::SFIXED32:
             case GPBType::SINT32:
             case GPBType::INT32:
             case GPBType::ENUM:
                 GPBUtil::checkInt32($value);
                 break;
             case GPBType::FIXED32:
             case GPBType::UINT32:
                 GPBUtil::checkUint32($value);
                 break;
             case GPBType::SFIXED64:
             case GPBType::SINT64:
             case GPBType::INT64:
                 GPBUtil::checkInt64($value);
                 break;
             case GPBType::FIXED64:
             case GPBType::UINT64:
                 GPBUtil::checkUint64($value);
                 break;
             case GPBType::FLOAT:
                 GPBUtil::checkFloat($value);
                 break;
             case GPBType::DOUBLE:
                 GPBUtil::checkDouble($value);
                 break;
             case GPBType::BOOL:
                 GPBUtil::checkBool($value);
                 break;
             case GPBType::BYTES:
                 GPBUtil::checkString($value, false);
                 break;
             case GPBType::STRING:
                 GPBUtil::checkString($value, true);
                 break;
             case GPBType::MESSAGE:
                 if (is_null($value)) {
                     throw new \TypeError("RepeatedField element cannot be null.");
                 }
                 GPBUtil::checkMessage($value, $this->klass);
                 break;
             default:
                 break;
         }
         if (is_null($offset)) {
             $this->container[] = $value;
         } else {
             $count = count($this->container);
             if (!is_numeric($offset) || $offset < 0 || $offset >= $count) {
                 trigger_error(
                     "Cannot modify element at the given index",
                     E_USER_ERROR);
                 return;
             }
             $this->container[$offset] = $value;
         }
     }

     /**
      * Remove the element at the given index.
      *
      * This will also be called for: unset($arr)
      *
      * @param integer $offset The index of the element to be removed.
      * @return void
      * @throws \ErrorException Invalid type for index.
      * @throws \ErrorException The element to be removed is not at the end of the
      * RepeatedField.
      * @todo need to add return type void (require update php version to 7.1)
      */
     #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         $count = count($this->container);
         if (!is_numeric($offset) || $count === 0 || $offset !== $count - 1) {
             trigger_error(
                 "Cannot remove element at the given index",
                 E_USER_ERROR);
             return;
         }
         array_pop($this->container);
     }

     /**
      * Check the existence of the element at the given index.
      *
      * This will also be called for: isset($arr)
      *
      * @param integer $offset The index of the element to be removed.
      * @return bool True if the element at the given offset exists.
      * @throws \ErrorException Invalid type for index.
      */
     public function offsetExists($offset): bool
     {
         return isset($this->container[$offset]);
     }

     /**
      * @ignore
      */
     public function getIterator(): Traversable
     {
         return new RepeatedFieldIter($this->container);
     }

     /**
      * Return the number of stored elements.
      *
      * This will also be called for: count($arr)
      *
      * @return integer The number of stored elements.
      */
     public function count(): int
     {
         return count($this->container);
     }
 }
	<?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.

	/**
	* RepeatedField and RepeatedFieldIter are used by generated protocol message
	* classes to manipulate repeated fields.
	*/

	namespace Google\Protobuf\Internal;

	use Google\Protobuf\Internal\GPBType;
	use Google\Protobuf\Internal\GPBUtil;
	use Traversable;

	/**
	* RepeatedField is used by generated protocol message classes to manipulate
	* repeated fields. It can be used like native PHP array.
	*/
	class RepeatedField implements \ArrayAccess, \IteratorAggregate, \Countable
	{

	/**
	* @ignore
	*/
	private $container;
	/**
	* @ignore
	*/
	private $type;
	/**
	* @ignore
	*/
	private $klass;
	/**
	* @ignore
	*/
	private $legacy_klass;

	/**
	* Constructs an instance of RepeatedField.
	*
	* @param integer $type Type of the stored element.
	* @param string $klass Message/Enum class name (message/enum fields only).
	* @ignore
	*/
	public function __construct($type, $klass = null)
	{
	$this->container = [];
	$this->type = $type;
	if ($this->type == GPBType::MESSAGE) {
	$pool = DescriptorPool::getGeneratedPool();
	$desc = $pool->getDescriptorByClassName($klass);
	if ($desc == NULL) {
	new $klass; // No msg class instance has been created before.
	$desc = $pool->getDescriptorByClassName($klass);
	}
	$this->klass = $desc->getClass();
	$this->legacy_klass = $desc->getLegacyClass();
	}
	}

	/**
	* @ignore
	*/
	public function getType()
	{
	return $this->type;
	}

	/**
	* @ignore
	*/
	public function getClass()
	{
	return $this->klass;
	}

	/**
	* @ignore
	*/
	public function getLegacyClass()
	{
	return $this->legacy_klass;
	}

	/**
	* Return the element at the given index.
	*
	* This will also be called for: $ele = $arr[0]
	*
	* @param integer $offset The index of the element to be fetched.
	* @return mixed The stored element at given index.
	* @throws \ErrorException Invalid type for index.
	* @throws \ErrorException Non-existing index.
	* @todo need to add return type mixed (require update php version to 8.0)
	*/
	#[\ReturnTypeWillChange]
	public function offsetGet($offset)
	{
	return $this->container[$offset];
	}

	/**
	* Assign the element at the given index.
	*
	* This will also be called for: $arr []= $ele and $arr[0] = ele
	*
	* @param int\|null $offset The index of the element to be assigned.
	* @param mixed $value The element to be assigned.
	* @return void
	* @throws \ErrorException Invalid type for index.
	* @throws \ErrorException Non-existing index.
	* @throws \ErrorException Incorrect type of the element.
	* @todo need to add return type void (require update php version to 7.1)
	*/
	#[\ReturnTypeWillChange]
	public function offsetSet($offset, $value)
	{
	switch ($this->type) {
	case GPBType::SFIXED32:
	case GPBType::SINT32:
	case GPBType::INT32:
	case GPBType::ENUM:
	GPBUtil::checkInt32($value);
	break;
	case GPBType::FIXED32:
	case GPBType::UINT32:
	GPBUtil::checkUint32($value);
	break;
	case GPBType::SFIXED64:
	case GPBType::SINT64:
	case GPBType::INT64:
	GPBUtil::checkInt64($value);
	break;
	case GPBType::FIXED64:
	case GPBType::UINT64:
	GPBUtil::checkUint64($value);
	break;
	case GPBType::FLOAT:
	GPBUtil::checkFloat($value);
	break;
	case GPBType::DOUBLE:
	GPBUtil::checkDouble($value);
	break;
	case GPBType::BOOL:
	GPBUtil::checkBool($value);
	break;
	case GPBType::BYTES:
	GPBUtil::checkString($value, false);
	break;
	case GPBType::STRING:
	GPBUtil::checkString($value, true);
	break;
	case GPBType::MESSAGE:
	if (is_null($value)) {
	throw new \TypeError("RepeatedField element cannot be null.");
	}
	GPBUtil::checkMessage($value, $this->klass);
	break;
	default:
	break;
	}
	if (is_null($offset)) {
	$this->container[] = $value;
	} else {
	$count = count($this->container);
	if (!is_numeric($offset) \|\| $offset < 0 \|\| $offset >= $count) {
	trigger_error(
	"Cannot modify element at the given index",
	E_USER_ERROR);
	return;
	}
	$this->container[$offset] = $value;
	}
	}

	/**
	* Remove the element at the given index.
	*
	* This will also be called for: unset($arr)
	*
	* @param integer $offset The index of the element to be removed.
	* @return void
	* @throws \ErrorException Invalid type for index.
	* @throws \ErrorException The element to be removed is not at the end of the
	* RepeatedField.
	* @todo need to add return type void (require update php version to 7.1)
	*/
	#[\ReturnTypeWillChange]
	public function offsetUnset($offset)
	{
	$count = count($this->container);
	if (!is_numeric($offset) \|\| $count === 0 \|\| $offset !== $count - 1) {
	trigger_error(
	"Cannot remove element at the given index",
	E_USER_ERROR);
	return;
	}
	array_pop($this->container);
	}

	/**
	* Check the existence of the element at the given index.
	*
	* This will also be called for: isset($arr)
	*
	* @param integer $offset The index of the element to be removed.
	* @return bool True if the element at the given offset exists.
	* @throws \ErrorException Invalid type for index.
	*/
	public function offsetExists($offset): bool
	{
	return isset($this->container[$offset]);
	}

	/**
	* @ignore
	*/
	public function getIterator(): Traversable
	{
	return new RepeatedFieldIter($this->container);
	}

	/**
	* Return the number of stored elements.
	*
	* This will also be called for: count($arr)
	*
	* @return integer The number of stored elements.
	*/
	public function count(): int
	{
	return count($this->container);
	}
	}