1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
|
4
|
|
|
namespace TournamentGenerator\Containers; |
5
|
|
|
|
6
|
|
|
use Closure; |
7
|
|
|
use Countable; |
8
|
|
|
use Exception; |
9
|
|
|
use Iterator; |
10
|
|
|
use TournamentGenerator\Helpers\Sorter\BaseSorter; |
11
|
|
|
|
12
|
|
|
/** |
13
|
|
|
* Class BaseContainer |
14
|
|
|
* |
15
|
|
|
* Container is a helper class for a tree-like structure. It can be used to create a hierarchy and store objects. |
16
|
|
|
* |
17
|
|
|
* @package TournamentGenerator\Containers |
18
|
|
|
* @author Tomáš Vojík <[email protected]> |
19
|
|
|
* @since 0.4 |
20
|
|
|
*/ |
21
|
|
|
class BaseContainer implements Countable, Iterator |
22
|
|
|
{ |
23
|
|
|
|
24
|
|
|
/** @var string|int Identifier */ |
25
|
|
|
public $id; |
26
|
|
|
/** @var BaseContainer[] Direct child containers */ |
27
|
|
|
protected array $children = []; |
28
|
|
|
/** @var BaseContainer|null Parent container reference */ |
29
|
|
|
protected ?BaseContainer $parent; |
30
|
|
|
/** @var array Any value that the container holds */ |
31
|
|
|
protected array $values = []; |
32
|
|
|
|
33
|
|
|
/** @var int Current iterator index */ |
34
|
|
|
protected int $currentIndex = 0; |
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* BaseContainer constructor. |
38
|
|
|
* |
39
|
|
|
* @param string|int $id |
40
|
|
|
*/ |
41
|
190 |
|
public function __construct($id, BaseContainer $parent = null) { |
42
|
190 |
|
$this->id = $id; |
43
|
190 |
|
$this->parent = $parent; |
44
|
190 |
|
} |
45
|
|
|
|
46
|
|
|
/** |
47
|
|
|
* Returns the value count |
48
|
|
|
* |
49
|
|
|
* @return int |
50
|
|
|
*/ |
51
|
38 |
|
public function count() : int { |
52
|
38 |
|
return count($this->get()); |
53
|
|
|
} |
54
|
|
|
|
55
|
|
|
/** |
56
|
|
|
* Get all values from the container - including child nodes |
57
|
|
|
* |
58
|
|
|
* @return array All values |
59
|
|
|
*/ |
60
|
120 |
|
public function get() : array { |
61
|
120 |
|
if (count($this->children) > 0) { |
62
|
62 |
|
$values = [$this->values]; |
63
|
62 |
|
foreach ($this->children as $child) { |
64
|
62 |
|
$values[] = $child->get(); |
65
|
|
|
} |
66
|
62 |
|
return array_merge(...$values); |
67
|
|
|
} |
68
|
120 |
|
return $this->values; |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
/** |
72
|
|
|
* Get all top-level values from the container |
73
|
|
|
* |
74
|
|
|
* @return array All values |
75
|
|
|
*/ |
76
|
10 |
|
public function getTopLevel() : array { |
77
|
10 |
|
return $this->values; |
78
|
|
|
} |
79
|
|
|
|
80
|
1 |
|
public function getTopLevelQuery() : ContainerQuery { |
81
|
1 |
|
return new ContainerQuery($this, true); |
82
|
|
|
} |
83
|
|
|
|
84
|
1 |
|
public function getQuery() : ContainerQuery { |
85
|
1 |
|
return new ContainerQuery($this); |
86
|
|
|
} |
87
|
|
|
|
88
|
|
|
/** |
89
|
|
|
* Get the current value |
90
|
|
|
* |
91
|
|
|
* @return mixed |
92
|
|
|
*/ |
93
|
2 |
|
public function current() { |
94
|
2 |
|
return $this->get()[$this->currentIndex]; |
95
|
|
|
} |
96
|
|
|
|
97
|
|
|
/** |
98
|
|
|
* Move pointer to next |
99
|
|
|
*/ |
100
|
2 |
|
public function next() : void { |
101
|
2 |
|
++$this->currentIndex; |
102
|
2 |
|
} |
103
|
|
|
|
104
|
|
|
/** |
105
|
|
|
* Return the current key |
106
|
|
|
* |
107
|
|
|
* @return int |
108
|
|
|
*/ |
109
|
1 |
|
public function key() : int { |
110
|
1 |
|
return $this->currentIndex; |
111
|
|
|
} |
112
|
|
|
|
113
|
|
|
/** |
114
|
|
|
* Check if the current value exists |
115
|
|
|
* |
116
|
|
|
* @return bool |
117
|
|
|
*/ |
118
|
2 |
|
public function valid() : bool { |
119
|
2 |
|
return isset($this->get()[$this->currentIndex]); |
120
|
|
|
} |
121
|
|
|
|
122
|
|
|
/** |
123
|
|
|
* Rewind the iterator |
124
|
|
|
*/ |
125
|
2 |
|
public function rewind() : void { |
126
|
2 |
|
$this->currentIndex = 0; |
127
|
2 |
|
} |
128
|
|
|
|
129
|
|
|
/** |
130
|
|
|
* Insert a value into container |
131
|
|
|
* |
132
|
|
|
* @param array $values Any value to insert into container |
133
|
|
|
* |
134
|
|
|
* @post If the value has a container -> add it to the hierarchy |
135
|
|
|
* |
136
|
|
|
* @return $this |
137
|
|
|
* @throws Exception |
138
|
|
|
*/ |
139
|
145 |
|
public function insert(...$values) : BaseContainer { |
140
|
145 |
|
foreach ($values as $value) { |
141
|
145 |
|
$this->values[] = $value; |
142
|
145 |
|
if (is_object($value) && method_exists($value, 'getContainer')) { |
143
|
71 |
|
$this->addChild($value->getContainer()); |
144
|
|
|
} |
145
|
|
|
} |
146
|
145 |
|
return $this; |
147
|
|
|
} |
148
|
|
|
|
149
|
|
|
/** |
150
|
|
|
* Adds a child container |
151
|
|
|
* |
152
|
|
|
* @param BaseContainer[] $containers |
153
|
|
|
* |
154
|
|
|
* @return $this |
155
|
|
|
* @post Parent container is set for the added children |
156
|
|
|
* @throws Exception |
157
|
|
|
*/ |
158
|
75 |
|
public function addChild(BaseContainer ...$containers) : BaseContainer { |
159
|
75 |
|
foreach ($containers as $container) { |
160
|
75 |
|
if (!isset($this->children[$container->id])) { |
161
|
75 |
|
$container->setParent($this); |
162
|
75 |
|
$this->children[$container->id] = $container; |
163
|
|
|
} |
164
|
|
|
} |
165
|
75 |
|
return $this; |
166
|
|
|
} |
167
|
|
|
|
168
|
|
|
/** |
169
|
|
|
* Gets all ids of the leaf containers |
170
|
|
|
* |
171
|
|
|
* @return string[]|int[] |
172
|
|
|
*/ |
173
|
50 |
|
public function getLeafIds() : array { |
174
|
50 |
|
if (count($this->children) > 0) { |
175
|
11 |
|
$ids = []; |
176
|
11 |
|
foreach ($this->children as $child) { |
177
|
11 |
|
$ids[] = $child->getLeafIds(); |
178
|
|
|
} |
179
|
11 |
|
return array_merge(...$ids); |
180
|
|
|
} |
181
|
50 |
|
return [$this->id]; |
182
|
|
|
} |
183
|
|
|
|
184
|
|
|
/** |
185
|
|
|
* Add a filter callback |
186
|
|
|
* |
187
|
|
|
* @param Closure $callback |
188
|
|
|
* |
189
|
|
|
* @return ContainerQuery |
190
|
|
|
*/ |
191
|
1 |
|
public function filter(Closure $callback) : ContainerQuery { |
192
|
1 |
|
$query = new ContainerQuery($this); |
193
|
1 |
|
$query->filter($callback); |
194
|
1 |
|
return $query; |
195
|
|
|
} |
196
|
|
|
|
197
|
|
|
/** |
198
|
|
|
* Sort a result using a callback - maintaining the index association |
199
|
|
|
* |
200
|
|
|
* @param Closure $callback |
201
|
|
|
* |
202
|
|
|
* @return ContainerQuery |
203
|
|
|
*/ |
204
|
1 |
|
public function sort(Closure $callback) : ContainerQuery { |
205
|
1 |
|
$query = new ContainerQuery($this); |
206
|
1 |
|
$query->sort($callback); |
207
|
1 |
|
return $query; |
208
|
|
|
} |
209
|
|
|
|
210
|
|
|
/** |
211
|
|
|
* Sort a result set by a given property |
212
|
|
|
* |
213
|
|
|
* @warning Sort callback has a priority. |
214
|
|
|
* |
215
|
|
|
* @param string $property |
216
|
|
|
* |
217
|
|
|
* @return ContainerQuery |
218
|
|
|
*/ |
219
|
1 |
|
public function sortBy(string $property) : ContainerQuery { |
220
|
1 |
|
$query = new ContainerQuery($this); |
221
|
1 |
|
$query->sortBy($property); |
222
|
1 |
|
return $query; |
223
|
|
|
} |
224
|
|
|
|
225
|
|
|
/** |
226
|
|
|
* @param BaseSorter $sorter |
227
|
|
|
* |
228
|
|
|
* @return ContainerQuery |
229
|
|
|
*/ |
230
|
48 |
|
public function addSorter(BaseSorter $sorter) : ContainerQuery { |
231
|
48 |
|
$query = new ContainerQuery($this); |
232
|
48 |
|
$query->addSorter($sorter); |
233
|
48 |
|
return $query; |
234
|
|
|
} |
235
|
|
|
|
236
|
|
|
/** |
237
|
|
|
* Get only unique values |
238
|
|
|
* |
239
|
|
|
* @return ContainerQuery |
240
|
|
|
*/ |
241
|
112 |
|
public function unique() : ContainerQuery { |
242
|
112 |
|
$query = new ContainerQuery($this); |
243
|
112 |
|
$query->unique(); |
244
|
112 |
|
return $query; |
245
|
|
|
} |
246
|
|
|
|
247
|
|
|
/** |
248
|
|
|
* Get a parent container |
249
|
|
|
* |
250
|
|
|
* @return BaseContainer|null |
251
|
|
|
* @since 0.5 |
252
|
|
|
*/ |
253
|
2 |
|
public function getParent() : ?BaseContainer { |
254
|
2 |
|
return $this->parent; |
255
|
|
|
} |
256
|
|
|
|
257
|
|
|
/** |
258
|
|
|
* Set a container's parent |
259
|
|
|
* |
260
|
|
|
* @param BaseContainer|null $parent |
261
|
|
|
* |
262
|
|
|
* @return BaseContainer |
263
|
|
|
* @throws Exception |
264
|
|
|
* @since 0.5 |
265
|
|
|
*/ |
266
|
76 |
|
public function setParent(BaseContainer $parent) : BaseContainer { |
267
|
76 |
|
if ($parent !== $this->parent && !is_null($this->parent)) { |
268
|
1 |
|
throw new Exception('Parent container can only be set once!'); |
269
|
|
|
} |
270
|
75 |
|
$this->parent = $parent; |
271
|
75 |
|
return $this; |
272
|
|
|
} |
273
|
|
|
} |