|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* Spiral Framework. |
|
5
|
|
|
* |
|
6
|
|
|
* @license MIT |
|
7
|
|
|
* @author Anton Titov (Wolfy-J) |
|
8
|
|
|
*/ |
|
9
|
|
|
|
|
10
|
|
|
declare(strict_types=1); |
|
11
|
|
|
|
|
12
|
|
|
namespace Spiral\Views; |
|
13
|
|
|
|
|
14
|
|
|
use Spiral\Views\Context\ValueDependency; |
|
15
|
|
|
|
|
16
|
|
|
/** |
|
17
|
|
|
* ContextGenerator creates all possible variations of context values. Use this class |
|
18
|
|
|
* to properly warm up views cache. |
|
19
|
|
|
*/ |
|
20
|
|
|
final class ContextGenerator |
|
21
|
|
|
{ |
|
22
|
|
|
/** @var ContextInterface */ |
|
23
|
|
|
private $context; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* @param ContextInterface $context |
|
27
|
|
|
*/ |
|
28
|
|
|
public function __construct(ContextInterface $context) |
|
29
|
|
|
{ |
|
30
|
|
|
$this->context = $context; |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* Generate all possible context variations. |
|
35
|
|
|
* |
|
36
|
|
|
* @return ContextInterface[] |
|
37
|
|
|
*/ |
|
38
|
|
|
public function generate(): array |
|
39
|
|
|
{ |
|
40
|
|
|
$dependencies = $this->context->getDependencies(); |
|
41
|
|
|
|
|
42
|
|
|
return $this->rotate(new ViewContext(), $dependencies); |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* Rotate all possible context values using recursive tree walk. |
|
47
|
|
|
* |
|
48
|
|
|
* @param ContextInterface $context |
|
49
|
|
|
* @param DependencyInterface[] $dependencies |
|
50
|
|
|
* |
|
51
|
|
|
* @return ContextInterface[] |
|
52
|
|
|
*/ |
|
53
|
|
|
private function rotate(ContextInterface $context, array $dependencies): array |
|
54
|
|
|
{ |
|
55
|
|
|
if (empty($dependencies)) { |
|
56
|
|
|
return []; |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
$top = array_shift($dependencies); |
|
60
|
|
|
|
|
61
|
|
|
$variants = []; |
|
62
|
|
|
foreach ($top->getVariants() as $value) { |
|
63
|
|
|
$variant = $context->withDependency(new ValueDependency($top->getName(), $value)); |
|
64
|
|
|
|
|
65
|
|
|
if (empty($dependencies)) { |
|
66
|
|
|
$variants[] = $variant; |
|
67
|
|
|
continue; |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
foreach ($this->rotate($variant, $dependencies) as $inner) { |
|
71
|
|
|
$variants[] = $inner; |
|
72
|
|
|
} |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
return $variants; |
|
76
|
|
|
} |
|
77
|
|
|
} |
|
78
|
|
|
|
spiral /
framework
