|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Storeman\Index; |
|
4
|
|
|
|
|
5
|
|
|
/** |
|
6
|
|
|
* A node within the object index tree. |
|
7
|
|
|
*/ |
|
8
|
|
|
class IndexNode implements \Countable |
|
9
|
|
|
{ |
|
10
|
|
|
/** |
|
11
|
|
|
* @var IndexObject |
|
12
|
|
|
*/ |
|
13
|
|
|
protected $indexObject; |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* @var IndexNode[] |
|
17
|
|
|
*/ |
|
18
|
|
|
protected $children = []; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* @var IndexNode |
|
22
|
|
|
*/ |
|
23
|
|
|
protected $parent; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* For the construction of a root node both arguments have to be null. |
|
27
|
|
|
* For the construction of regular or leaf nodes both arguments have to be given. |
|
28
|
|
|
* |
|
29
|
|
|
* @param IndexObject $indexObject |
|
30
|
|
|
* @param IndexNode $parent |
|
31
|
|
|
*/ |
|
32
|
|
|
public function __construct(IndexObject $indexObject = null, IndexNode $parent = null) |
|
33
|
|
|
{ |
|
34
|
|
|
assert(($indexObject === null) === ($parent === null)); |
|
35
|
|
|
|
|
36
|
|
|
$this->indexObject = $indexObject; |
|
37
|
|
|
$this->parent = $parent; |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
public function getIndexObject(): IndexObject |
|
41
|
|
|
{ |
|
42
|
|
|
return $this->indexObject; |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
public function setIndexObject(IndexObject $indexObject): IndexNode |
|
46
|
|
|
{ |
|
47
|
|
|
assert($this->indexObject->getRelativePath() === $indexObject->getRelativePath()); |
|
48
|
|
|
|
|
49
|
|
|
$this->indexObject = $indexObject; |
|
50
|
|
|
|
|
51
|
|
|
return $this; |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
/** |
|
55
|
|
|
* Returns map from index object basename to child node. |
|
56
|
|
|
* |
|
57
|
|
|
* @return array |
|
58
|
|
|
*/ |
|
59
|
|
|
public function getChildren(): array |
|
60
|
|
|
{ |
|
61
|
|
|
return $this->children; |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
public function getParent(): ?IndexNode |
|
65
|
|
|
{ |
|
66
|
|
|
return $this->parent; |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
|
|
public function getChild(string $name): ?IndexNode |
|
70
|
|
|
{ |
|
71
|
|
|
return array_key_exists($name, $this->children) ? $this->children[$name] : null; |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
|
|
public function hasChild(string $name): bool |
|
75
|
|
|
{ |
|
76
|
|
|
return array_key_exists($name, $this->children); |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
public function addChild(IndexNode $indexNode): IndexNode |
|
80
|
|
|
{ |
|
81
|
|
|
assert($this->indexObject === null || $this->indexObject->isDirectory()); |
|
82
|
|
|
assert($this->indexObject === null || strpos($indexNode->getIndexObject()->getRelativePath(), $this->indexObject->getRelativePath()) === 0); |
|
83
|
|
|
|
|
84
|
|
|
$this->children[$indexNode->indexObject->getBasename()] = $indexNode; |
|
85
|
|
|
|
|
86
|
|
|
// ensure lexicographical order |
|
87
|
|
|
ksort($this->children); |
|
88
|
|
|
|
|
89
|
|
|
return $this; |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
public function addChildren(array $children): IndexNode |
|
93
|
|
|
{ |
|
94
|
|
|
foreach ($children as $child) |
|
95
|
|
|
{ |
|
96
|
|
|
$this->addChild($child); |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
return $this; |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
public function getNodeByPath(string $path): ?IndexNode |
|
103
|
|
|
{ |
|
104
|
|
|
$current = $this; |
|
105
|
|
|
|
|
106
|
|
|
foreach (explode(DIRECTORY_SEPARATOR, $path) as $pathPart) |
|
107
|
|
|
{ |
|
108
|
|
|
$current = $current->getChild($pathPart); |
|
109
|
|
|
|
|
110
|
|
|
if ($current === null) |
|
111
|
|
|
{ |
|
112
|
|
|
break; |
|
113
|
|
|
} |
|
114
|
|
|
} |
|
115
|
|
|
|
|
116
|
|
|
return $current; |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
|
|
/** |
|
120
|
|
|
* Recursively counts all children and its children and returns total. |
|
121
|
|
|
* |
|
122
|
|
|
* @return int |
|
123
|
|
|
*/ |
|
124
|
|
|
public function recursiveCount() |
|
125
|
|
|
{ |
|
126
|
|
|
return count($this) + array_reduce($this->children, function(int $carry, IndexNode $node) { |
|
127
|
|
|
|
|
128
|
|
|
return $carry + $node->recursiveCount(); |
|
129
|
|
|
|
|
130
|
|
|
}, 0); |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
|
|
/** |
|
134
|
|
|
* {@inheritdoc} |
|
135
|
|
|
*/ |
|
136
|
|
|
public function count() |
|
137
|
|
|
{ |
|
138
|
|
|
return count($this->children); |
|
139
|
|
|
} |
|
140
|
|
|
} |
|
141
|
|
|
|
storeman-io /
storeman
