68 lines
1.4 KiB
PHP
68 lines
1.4 KiB
PHP
<?php
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declare(strict_types=1);
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namespace GeoIp2\Record;
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abstract class AbstractRecord implements \JsonSerializable
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{
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/**
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* @var array<string, mixed>
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*/
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private $record;
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/**
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* @ignore
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*/
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public function __construct(?array $record)
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{
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$this->record = isset($record) ? $record : [];
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}
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/**
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* @ignore
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*
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* @return mixed
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*/
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public function __get(string $attr)
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{
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// XXX - kind of ugly but greatly reduces boilerplate code
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$key = $this->attributeToKey($attr);
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if ($this->__isset($attr)) {
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return $this->record[$key];
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}
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if ($this->validAttribute($attr)) {
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if (preg_match('/^is_/', $key)) {
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return false;
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}
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return null;
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}
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throw new \RuntimeException("Unknown attribute: $attr");
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}
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public function __isset(string $attr): bool
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{
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return $this->validAttribute($attr)
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&& isset($this->record[$this->attributeToKey($attr)]);
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}
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private function attributeToKey(string $attr): string
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{
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return strtolower(preg_replace('/([A-Z])/', '_\1', $attr));
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}
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private function validAttribute(string $attr): bool
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{
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// @phpstan-ignore-next-line
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return \in_array($attr, $this->validAttributes, true);
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}
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public function jsonSerialize(): ?array
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{
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return $this->record;
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}
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}
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