Code Coverage for /home/popy/Documents/popy-calendar/src/Parser/ResultMapper/Chain.php

1	<?php
2
3	namespace Popy\Calendar\Parser\ResultMapper;
4
5	use Popy\Calendar\Parser\DateLexerResult;
6	use Popy\Calendar\Parser\ResultMapperInterface;
7	use Popy\Calendar\ValueObject\DateRepresentationInterface;
8
9	/**
10	* Chain implementation.
11	*/
12	class Chain implements ResultMapperInterface
13	{
14	/**
15	* Mapper chain.
16	*
17	* @var array<ResultMapperInterface>
18	*/
19	protected $mappers = [];
20
21	/**
22	* Class constructor.
23	*
24	* @param iterable<ResultMapperInterface> $mappers Mapper chain.
25	*/
26	public function __construct($mappers = [])
27	{
28	$this->addMappers($mappers);
29	}
30
31	/**
32	* Adds a Mapper to the chain.
33	*
34	* @param ResultMapperInterface $mapper
35	*/
36	public function addMapper(ResultMapperInterface $mapper)
37	{
38	if ($mapper instanceof self) {
39	return $this->addMappers($mapper->mappers);
40	}
41
42	$this->mappers[] = $mapper;
43
44	return $this;
45	}
46
47	/**
48	* Add mappers to the chain.
49	*
50	* @param iterable<ResultMapperInterface> $mappers
51	*/
52	public function addMappers($mappers)
53	{
54	foreach ($mappers as $mapper) {
55	$this->addMapper($mapper);
56	}
57
58	return $this;
59	}
60
61	/**
62	* @inheritDoc
63	*/
64	public function map(DateLexerResult $parts, DateRepresentationInterface $date)
65	{
66	foreach ($this->mappers as $mapper) {
67	if (null === $date = $mapper->map($parts, $date)) {
68	return;
69	}
70	}
71
72	return $date;
73	}
74	}