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<?php
/**
* Class SettingsContainerAbstract
*
* @filesource SettingsContainerAbstract.php
* @created 28.08.2018
* @package chillerlan\Settings
* @author Smiley <[email protected]>
* @copyright 2018 Smiley
* @license MIT
*/
namespace chillerlan\Settings;
use Exception, ReflectionClass, ReflectionProperty;
use function call_user_func, call_user_func_array, get_object_vars, json_decode, json_encode, method_exists, property_exists;
abstract class SettingsContainerAbstract implements SettingsContainerInterface{
/**
* SettingsContainerAbstract constructor.
*
* @param iterable|null $properties
*/
public function __construct(iterable $properties = null){
if(!empty($properties)){
$this->fromIterable($properties);
}
$this->construct();
}
/**
* calls a method with trait name as replacement constructor for each used trait
* (remember pre-php5 classname constructors? yeah, basically this.)
*
* @return void
*/
protected function construct():void{
$traits = (new ReflectionClass($this))->getTraits();
foreach($traits as $trait){
$method = $trait->getShortName();
if(method_exists($this, $method)){
call_user_func([$this, $method]);
}
}
}
/**
* @inheritdoc
*/
public function __get(string $property){
if(property_exists($this, $property) && !$this->isPrivate($property)){
if(method_exists($this, 'get_'.$property)){
return call_user_func([$this, 'get_'.$property]);
}
return $this->{$property};
}
return null;
}
/**
* @inheritdoc
*/
public function __set(string $property, $value):void{
if(!property_exists($this, $property) || $this->isPrivate($property)){
return;
}
if(method_exists($this, 'set_'.$property)){
call_user_func_array([$this, 'set_'.$property], [$value]);
return;
}
$this->{$property} = $value;
}
/**
* @inheritdoc
*/
public function __isset(string $property):bool{
return isset($this->{$property}) && !$this->isPrivate($property);
}
/**
* @internal Checks if a property is private
*
* @param string $property
*
* @return bool
*/
protected function isPrivate(string $property):bool{
return (new ReflectionProperty($this, $property))->isPrivate();
}
/**
* @inheritdoc
*/
public function __unset(string $property):void{
if($this->__isset($property)){
unset($this->{$property});
}
}
/**
* @inheritdoc
*/
public function __toString():string{
return $this->toJSON();
}
/**
* @inheritdoc
*/
public function toArray():array{
return get_object_vars($this);
}
/**
* @inheritdoc
*/
public function fromIterable(iterable $properties):SettingsContainerInterface{
foreach($properties as $key => $value){
$this->__set($key, $value);
}
return $this;
}
/**
* @inheritdoc
*/
public function toJSON(int $jsonOptions = null):string{
return json_encode($this, $jsonOptions ?? 0);
}
/**
* @inheritdoc
*/
public function fromJSON(string $json):SettingsContainerInterface{
$data = json_decode($json, true); // as of PHP 7.3: JSON_THROW_ON_ERROR
if($data === false || $data === null){
throw new Exception('error while decoding JSON');
}
return $this->fromIterable($data);
}
/**
* @inheritdoc
*/
public function jsonSerialize(){
return $this->toArray();
}
}
|
