89 lines
2.1 KiB
PHP
89 lines
2.1 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 Spomky-Labs
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*
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* This software may be modified and distributed under the terms
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* of the MIT license. See the LICENSE file for details.
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*/
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namespace CBOR;
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use InvalidArgumentException;
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final class MapObject extends AbstractCBORObject implements \Countable, \IteratorAggregate
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{
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private const MAJOR_TYPE = 0b101;
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/**
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* @var MapItem[]
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*/
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private $data = [];
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/**
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* @var int|null
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*/
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private $length;
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/**
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* @param MapItem[] $data
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*/
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public function __construct(array $data = [])
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{
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list($additionalInformation, $length) = LengthCalculator::getLengthOfArray($data);
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array_map(static function ($item): void {
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if (!$item instanceof MapItem) {
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throw new InvalidArgumentException('The list must contain only MapItem objects.');
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}
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}, $data);
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parent::__construct(self::MAJOR_TYPE, $additionalInformation);
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$this->data = $data;
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$this->length = $length;
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}
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public function add(CBORObject $key, CBORObject $value): void
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{
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$this->data[] = new MapItem($key, $value);
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list($this->additionalInformation, $this->length) = LengthCalculator::getLengthOfArray($this->data);
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}
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public function count(): int
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{
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return \count($this->data);
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}
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public function getIterator(): \Iterator
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{
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return new \ArrayIterator($this->data);
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}
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public function getNormalizedData(bool $ignoreTags = false): array
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{
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$result = [];
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foreach ($this->data as $object) {
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$result[$object->getKey()->getNormalizedData($ignoreTags)] = $object->getValue()->getNormalizedData($ignoreTags);
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}
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return $result;
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}
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public function __toString(): string
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{
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$result = parent::__toString();
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if (null !== $this->length) {
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$result .= $this->length;
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}
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foreach ($this->data as $object) {
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$result .= (string) $object->getKey();
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$result .= (string) $object->getValue();
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}
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return $result;
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}
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}
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