|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* This file is part of phpDocumentor. |
|
4
|
|
|
* |
|
5
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
6
|
|
|
* file that was distributed with this source code. |
|
7
|
|
|
* |
|
8
|
|
|
* @copyright 2010-2015 Mike van Riel<[email protected]> |
|
9
|
|
|
* @license http://www.opensource.org/licenses/mit-license.php MIT |
|
10
|
|
|
* @link http://phpdoc.org |
|
11
|
|
|
*/ |
|
12
|
|
|
|
|
13
|
|
|
namespace phpDocumentor\Reflection\Types; |
|
14
|
|
|
|
|
15
|
|
|
use ArrayIterator; |
|
16
|
|
|
use IteratorAggregate; |
|
17
|
|
|
use phpDocumentor\Reflection\Type; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* Value Object representing a Compound Type. |
|
21
|
|
|
* |
|
22
|
|
|
* A Compound Type is not so much a special keyword or object reference but is a series of Types that are separated |
|
23
|
|
|
* using an OR operator (`|`). This combination of types signifies that whatever is associated with this compound type |
|
24
|
|
|
* may contain a value with any of the given types. |
|
25
|
|
|
*/ |
|
26
|
|
|
final class Compound implements Type, IteratorAggregate |
|
27
|
|
|
{ |
|
28
|
|
|
/** @var Type[] */ |
|
29
|
|
|
private $types; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* Initializes a compound type (i.e. `string|int`) and tests if the provided types all implement the Type interface. |
|
33
|
|
|
* |
|
34
|
|
|
* @param Type[] $types |
|
35
|
|
|
* @throws \InvalidArgumentException when types are not all instance of Type |
|
36
|
|
|
*/ |
|
37
|
2 |
|
public function __construct(array $types) |
|
38
|
|
|
{ |
|
39
|
2 |
|
foreach ($types as $type) { |
|
40
|
2 |
|
if (!$type instanceof Type) { |
|
41
|
1 |
|
throw new \InvalidArgumentException('A compound type can only have other types as elements'); |
|
42
|
|
|
} |
|
43
|
1 |
|
} |
|
44
|
|
|
|
|
45
|
1 |
|
$this->types = $types; |
|
46
|
1 |
|
} |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* Returns the type at the given index. |
|
50
|
|
|
* |
|
51
|
|
|
* @param integer $index |
|
52
|
|
|
* |
|
53
|
|
|
* @return Type|null |
|
54
|
|
|
*/ |
|
55
|
2 |
|
public function get($index) |
|
56
|
|
|
{ |
|
57
|
2 |
|
if (!$this->has($index)) { |
|
58
|
1 |
|
return null; |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
1 |
|
return $this->types[$index]; |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
/** |
|
65
|
|
|
* Tests if this compound type has a type with the given index. |
|
66
|
|
|
* |
|
67
|
|
|
* @param integer $index |
|
68
|
|
|
* |
|
69
|
|
|
* @return bool |
|
70
|
|
|
*/ |
|
71
|
2 |
|
public function has($index) |
|
72
|
|
|
{ |
|
73
|
2 |
|
return isset($this->types[$index]); |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
|
|
/** |
|
77
|
|
|
* Returns a rendered output of the Type as it would be used in a DocBlock. |
|
78
|
|
|
* |
|
79
|
|
|
* @return string |
|
80
|
|
|
*/ |
|
81
|
1 |
|
public function __toString() |
|
82
|
|
|
{ |
|
83
|
1 |
|
return implode('|', $this->types); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
/** |
|
87
|
|
|
* {@inheritdoc} |
|
88
|
|
|
*/ |
|
89
|
1 |
|
public function getIterator() |
|
90
|
|
|
{ |
|
91
|
1 |
|
return new ArrayIterator($this->types); |
|
92
|
|
|
} |
|
93
|
|
|
} |
|
94
|
|
|
|
phpDocumentor /
TypeResolver
