<?php
declare(strict_types=1);
namespace ParagonIE\TypedArrays;
abstract class AbstractTypedArray implements \ArrayAccess
{
protected array $contents = [];
protected const string SCALAR_TYPE = 'mixed';
public function __debugInfo(): array
{
return $this->contents;
}
#[\Override]
public function offsetExists(mixed $offset): bool
{
return array_key_exists($offset, $this->contents);
}
#[\Override]
public function offsetGet(mixed $offset): mixed
{
if (!$this->offsetExists($offset)) {
throw new \RangeException('Index not found: ' . $offset);
}
return $this->contents[$offset];
}
#[\Override]
public function offsetSet(mixed $offset, mixed $value): void
{
switch (static::SCALAR_TYPE) {
case 'mixed':
break;
case 'string':
if (!is_string($value)) {
throw new \TypeError('Only ' . static::SCALAR_TYPE . ' types can be assigned');
}
break;
case 'int':
if (!is_int($value)) {
throw new \TypeError('Only ' . static::SCALAR_TYPE . ' types can be assigned');
}
break;
case 'float':
if (!is_float($value) && !is_int($value)) {
throw new \TypeError('Only ' . static::SCALAR_TYPE . ' types can be assigned');
}
break;
case 'bool':
if (!is_bool($value)) {
throw new \TypeError('Only ' . static::SCALAR_TYPE . ' types can be assigned');
}
break;
case 'object':
if (!is_object($value)) {
throw new \TypeError('Only ' . static::SCALAR_TYPE . ' types can be assigned');
}
break;
}
$this->contents[$offset] = $value;
}
#[\Override]
public function offsetUnset(mixed $offset): void
{
if (array_key_exists($offset, $this->contents)) {
unset($this->contents[$offset]);
}
}
}
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