primo commit

libraries/vendor/spomky-labs/cbor-php/src/MapObject.php

@@ -0,0 +1,180 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CBOR;
+
+use ArrayAccess;
+use ArrayIterator;
+use Countable;
+use InvalidArgumentException;
+use Iterator;
+use IteratorAggregate;
+use function array_key_exists;
+use function count;
+
+/**
+ * @phpstan-implements ArrayAccess<int, CBORObject>
+ * @phpstan-implements IteratorAggregate<int, MapItem>
+ */
+final class MapObject extends AbstractCBORObject implements Countable, IteratorAggregate, Normalizable, ArrayAccess
+{
+    private const MAJOR_TYPE = self::MAJOR_TYPE_MAP;
+
+    /**
+     * @var MapItem[]
+     */
+    private array $data;
+
+    private ?string $length = null;
+
+    /**
+     * @param MapItem[] $data
+     */
+    public function __construct(array $data = [])
+    {
+        [$additionalInformation, $length] = LengthCalculator::getLengthOfArray($data);
+        array_map(static function ($item): void {
+            if (! $item instanceof MapItem) {
+                throw new InvalidArgumentException('The list must contain only MapItem objects.');
+            }
+        }, $data);
+
+        parent::__construct(self::MAJOR_TYPE, $additionalInformation);
+        $this->data = $data;
+        $this->length = $length;
+    }
+
+    public function __toString(): string
+    {
+        $result = parent::__toString();
+        if ($this->length !== null) {
+            $result .= $this->length;
+        }
+        foreach ($this->data as $object) {
+            $result .= $object->getKey()
+                ->__toString()
+            ;
+            $result .= $object->getValue()
+                ->__toString()
+            ;
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param MapItem[] $data
+     */
+    public static function create(array $data = []): self
+    {
+        return new self($data);
+    }
+
+    public function add(CBORObject $key, CBORObject $value): self
+    {
+        if (! $key instanceof Normalizable) {
+            throw new InvalidArgumentException('Invalid key. Shall be normalizable');
+        }
+        $this->data[$key->normalize()] = MapItem::create($key, $value);
+        [$this->additionalInformation, $this->length] = LengthCalculator::getLengthOfArray($this->data);
+
+        return $this;
+    }
+
+    public function has(int|string $key): bool
+    {
+        return array_key_exists($key, $this->data);
+    }
+
+    public function remove(int|string $index): self
+    {
+        if (! $this->has($index)) {
+            return $this;
+        }
+        unset($this->data[$index]);
+        $this->data = array_values($this->data);
+        [$this->additionalInformation, $this->length] = LengthCalculator::getLengthOfArray($this->data);
+
+        return $this;
+    }
+
+    public function get(int|string $index): CBORObject
+    {
+        if (! $this->has($index)) {
+            throw new InvalidArgumentException('Index not found.');
+        }
+
+        return $this->data[$index]->getValue();
+    }
+
+    public function set(MapItem $object): self
+    {
+        $key = $object->getKey();
+        if (! $key instanceof Normalizable) {
+            throw new InvalidArgumentException('Invalid key. Shall be normalizable');
+        }
+
+        $this->data[$key->normalize()] = $object;
+        [$this->additionalInformation, $this->length] = LengthCalculator::getLengthOfArray($this->data);
+
+        return $this;
+    }
+
+    public function count(): int
+    {
+        return count($this->data);
+    }
+
+    /**
+     * @return Iterator<int, MapItem>
+     */
+    public function getIterator(): Iterator
+    {
+        return new ArrayIterator($this->data);
+    }
+
+    /**
+     * @return array<int|string, mixed>
+     */
+    public function normalize(): array
+    {
+        return array_reduce($this->data, static function (array $carry, MapItem $item): array {
+            $key = $item->getKey();
+            if (! $key instanceof Normalizable) {
+                throw new InvalidArgumentException('Invalid key. Shall be normalizable');
+            }
+            $valueObject = $item->getValue();
+            $carry[$key->normalize()] = $valueObject instanceof Normalizable ? $valueObject->normalize() : $valueObject;
+
+            return $carry;
+        }, []);
+    }
+
+    public function offsetExists($offset): bool
+    {
+        return $this->has($offset);
+    }
+
+    public function offsetGet($offset): CBORObject
+    {
+        return $this->get($offset);
+    }
+
+    public function offsetSet($offset, $value): void
+    {
+        if (! $offset instanceof CBORObject) {
+            throw new InvalidArgumentException('Invalid key');
+        }
+        if (! $value instanceof CBORObject) {
+            throw new InvalidArgumentException('Invalid value');
+        }
+
+        $this->set(MapItem::create($offset, $value));
+    }
+
+    public function offsetUnset($offset): void
+    {
+        $this->remove($offset);
+    }
+}