|
1
|
|
|
<?php |
|
2
|
|
|
namespace Autocomplete\Container\Trie; |
|
3
|
|
|
|
|
4
|
|
|
use Autocomplete\Contract\Container\ContainerInterface; |
|
5
|
|
|
use Autocomplete\Container\Trie\Node; |
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* @implements ContainerInterface |
|
9
|
|
|
*/ |
|
10
|
|
|
class Trie implements ContainerInterface |
|
11
|
|
|
{ |
|
12
|
|
|
/** |
|
13
|
|
|
* @var Node |
|
14
|
|
|
*/ |
|
15
|
|
|
private $root; |
|
16
|
|
|
/** |
|
17
|
|
|
* @var boolean |
|
18
|
|
|
*/ |
|
19
|
|
|
private $caseSensitive = true; |
|
20
|
|
|
|
|
21
|
|
|
public function __construct($caseSensitive = true) |
|
22
|
|
|
{ |
|
23
|
|
|
$this->root = new Node(''); |
|
24
|
|
|
$this->caseSensitive = $caseSensitive; |
|
25
|
|
|
} |
|
26
|
|
|
|
|
27
|
|
|
private function inputParse(&$input) |
|
28
|
|
|
{ |
|
29
|
|
|
if ( ! $this->caseSensitive) { |
|
30
|
|
|
$input = strtolower($input); |
|
31
|
|
|
} |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
|
|
public function addWord($word) |
|
35
|
|
|
{ |
|
36
|
|
|
$this->inputParse($word); |
|
37
|
|
|
$this->root->addSuffix(str_split($word)); |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
public function hasPrefix($prefix) |
|
41
|
|
|
{ |
|
42
|
|
|
$this->inputParse($prefix); |
|
43
|
|
|
$prefix = str_split($prefix); |
|
44
|
|
|
return $this->root->hasPrefix($prefix); |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
|
|
public function getByPrefix($prefix) |
|
48
|
|
|
{ |
|
49
|
|
|
$this->inputParse($prefix); |
|
50
|
|
|
$child = $this->root->getClosest($prefix); |
|
51
|
|
|
if ( ! $child) { |
|
52
|
|
|
return []; |
|
53
|
|
|
} |
|
54
|
|
|
$postFixes = $child->getPostfix($prefix); |
|
55
|
|
|
return $postFixes; |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
public function hasWord($word) |
|
59
|
|
|
{ |
|
60
|
|
|
$this->inputParse($word); |
|
61
|
|
|
$word = str_split($word); |
|
62
|
|
|
return $this->root->hasWord($word); |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
public function graph() |
|
66
|
|
|
{ |
|
67
|
|
|
$graphArr = []; |
|
68
|
|
|
$this->root->graph($graphArr); |
|
69
|
|
|
return $graphArr; |
|
70
|
|
|
} |
|
71
|
|
|
} |
|
72
|
|
|
|
phaniso /
php-autocomplete
