Code Coverage for /home/popy/Documents/popy-calendar/src/Parser/DateLexer/Collection.php

1	<?php
2
3	namespace Popy\Calendar\Parser\DateLexer;
4
5	use Popy\Calendar\Parser\DateLexerResult;
6	use Popy\Calendar\Parser\DateLexerInterface;
7
8	/**
9	* Collection/Chain implementation : every contained lexer has to match its own
10	* part, then the full result is returned.
11	*/
12	class Collection implements DateLexerInterface
13	{
14	/**
15	* Lexer list.
16	*
17	* @var array
18	*/
19	protected $lexers = [];
20
21	/**
22	* Add a lexer.
23	*
24	* @param DateLexerInterface $lexer
25	*/
26	public function addLexer(DateLexerInterface $lexer)
27	{
28	$this->lexers[] = $lexer;
29	}
30
31	/**
32	* @inheritDoc
33	*/
34	public function tokenizeDate($string, $offset = 0)
35	{
36	$result = new DateLexerResult($offset);
37
38	foreach ($this->lexers as $lexer) {
39	if (null === $res = $lexer->tokenizeDate($string, $result->getOffset())) {
40	// A lexer failed to match : exit.
41	return null;
42	}
43
44	$result->merge($res);
45	}
46
47	return $result;
48	}
49	}