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<?php
/**
* Pimcore
*
* This source file is available under two different licenses:
* - GNU General Public License version 3 (GPLv3)
* - Pimcore Commercial License (PCL)
* Full copyright and license information is available in
* LICENSE.md which is distributed with this source code.
*
* @copyright Copyright (c) Pimcore GmbH (http://www.pimcore.org)
* @license http://www.pimcore.org/license GPLv3 and PCL
*/
/**
* ----------------------------------------------------------------------------------
* based on Zend\Config https://github.com/zendframework/zend-config
* ----------------------------------------------------------------------------------
*/
/**
* @see https://github.com/zendframework/zend-config for the canonical source repository
*
* @copyright Copyright (c) 2005-2017 Zend Technologies USA Inc. (http://www.zend.com)
* @license https://github.com/zendframework/zend-config/blob/master/LICENSE.md New BSD License
*/
namespace Pimcore\Config;
use ArrayAccess;
use Countable;
use Exception;
use Iterator;
/**
* Provides a property based interface to an array.
* The data are read-only unless $allowModifications is set to true
* on construction.
*
* Implements Countable, Iterator and ArrayAccess
* to facilitate easy access to the data.
*/
final class Config implements Countable, Iterator, ArrayAccess
{
/**
* Whether modifications to configuration data are allowed.
*
* @var bool
*/
protected $allowModifications;
/**
* Data within the configuration.
*
* @var array
*/
protected $data = [];
/**
* Used when unsetting values during iteration to ensure we do not skip
* the next element.
*
* @var bool
*/
protected $skipNextIteration;
/**
* Constructor.
*
* Data is read-only unless $allowModifications is set to true
* on construction.
*
* @param array $array
* @param bool $allowModifications
*/
public function __construct(array $array, $allowModifications = false)
{
$this->allowModifications = (bool) $allowModifications;
foreach ($array as $key => $value) {
if (is_array($value)) {
$this->data[$key] = new static($value, $this->allowModifications);
} else {
$this->data[$key] = $value;
}
}
}
/**
* Retrieve a value and return $default if there is no element set.
*
* @param string $name
* @param mixed $default
*
* @return mixed
*/
public function get($name, $default = null)
{
if (array_key_exists($name, $this->data)) {
return $this->data[$name];
}
return $default;
}
/**
* Magic function so that $obj->value will work.
*
* @param string $name
*
* @return mixed
*/
public function __get($name)
{
return $this->get($name);
}
/**
* Set a value in the config.
*
* Only allow setting of a property if $allowModifications was set to true
* on construction. Otherwise, throw an exception.
*
* @param string|null $name
* @param mixed $value
*
* @return void
*
* @throws Exception
*/
public function __set($name, $value)
{
if ($this->allowModifications) {
if (is_array($value)) {
$value = new static($value, true);
}
if (null === $name) {
$this->data[] = $value;
} else {
$this->data[$name] = $value;
}
} else {
throw new Exception('Config is read only');
}
}
/**
* Deep clone of this instance to ensure that nested Zend\Configs are also
* cloned.
*
* @return void
*/
public function __clone()
{
$array = [];
foreach ($this->data as $key => $value) {
if ($value instanceof self) {
$array[$key] = clone $value;
} else {
$array[$key] = $value;
}
}
$this->data = $array;
}
/**
* Return an associative array of the stored data.
*
* @return array
*/
public function toArray()
{
$array = [];
$data = $this->data;
foreach ($data as $key => $value) {
if ($value instanceof self) {
$array[$key] = $value->toArray();
} else {
$array[$key] = $value;
}
}
return $array;
}
/**
* isset() overloading
*
* @param string $name
*
* @return bool
*/
public function __isset($name)
{
return isset($this->data[$name]);
}
/**
* unset() overloading
*
* @param string $name
*
* @return void
*
* @throws Exception
*/
public function __unset($name)
{
if (! $this->allowModifications) {
throw new Exception('Config is read only');
} elseif (isset($this->data[$name])) {
unset($this->data[$name]);
$this->skipNextIteration = true;
}
}
/**
* {@inheritdoc}
*/
public function count()
{
return count($this->data);
}
/**
* {@inheritdoc}
*/
public function current()
{
$this->skipNextIteration = false;
return current($this->data);
}
/**
* {@inheritdoc}
*/
public function key()
{
return key($this->data);
}
/**
* {@inheritdoc}
*/
public function next()
{
if ($this->skipNextIteration) {
$this->skipNextIteration = false;
return;
}
next($this->data);
}
/**
* {@inheritdoc}
*/
public function rewind()
{
$this->skipNextIteration = false;
reset($this->data);
}
/**
* {@inheritdoc}
*/
public function valid()
{
return $this->key() !== null;
}
/**
* {@inheritdoc}
*/
public function offsetExists($offset)
{
return $this->__isset($offset);
}
/**
* {@inheritdoc}
*/
public function offsetGet($offset)
{
return $this->__get($offset);
}
/**
* {@inheritdoc}
*/
public function offsetSet($offset, $value)
{
$this->__set($offset, $value);
}
/**
* {@inheritdoc}
*/
public function offsetUnset($offset)
{
$this->__unset($offset);
}
/**
* @internal
*
* Merge another Config with this one.
*
* For duplicate keys, the following will be performed:
* - Nested Configs will be recursively merged.
* - Items in $merge with INTEGER keys will be appended.
* - Items in $merge with STRING keys will overwrite current values.
*
* @param Config $merge
*
* @return self
*/
public function merge(Config $merge)
{
foreach ($merge as $key => $value) {
if (array_key_exists($key, $this->data)) {
if (is_int($key)) {
$this->data[] = $value;
} elseif ($value instanceof self && $this->data[$key] instanceof self) {
$this->data[$key]->merge($value);
} else {
if ($value instanceof self) {
$this->data[$key] = new static($value->toArray(), $this->allowModifications);
} else {
$this->data[$key] = $value;
}
}
} else {
if ($value instanceof self) {
$this->data[$key] = new static($value->toArray(), $this->allowModifications);
} else {
$this->data[$key] = $value;
}
}
}
return $this;
}
/**
* @internal
*
* Prevent any more modifications being made to this instance.
*
* Useful after merge() has been used to merge multiple Config objects
* into one object which should then not be modified again.
*
* @return void
*/
public function setReadOnly()
{
$this->allowModifications = false;
/** @var Config $value */
foreach ($this->data as $value) {
if ($value instanceof self) {
$value->setReadOnly();
}
}
}
/**
* @internal
*
* Returns whether this Config object is read only or not.
*
* @return bool
*/
public function isReadOnly()
{
return ! $this->allowModifications;
}
/**
* {@inheritdoc}
*/
public function __toString()
{
if (empty($this->data)) {
return '';
}
return is_string($this->data) ? (string)$this->data : json_encode($this->data, JSON_PRETTY_PRINT);
}
}

vendor/pimcore/pimcore/lib/Config/Config.php line 306