1
|
|
|
<?php namespace Mbh\Collection\Traits; |
2
|
|
|
|
3
|
|
|
use Mbh\Collection\Interfaces\Collection as CollectionInterface; |
4
|
|
|
use Mbh\Collection\FixedArray; |
5
|
|
|
use Mbh\Collection\CallbackHeap; |
6
|
|
|
use Mbh\Iterator\SliceIterator; |
7
|
|
|
use Mbh\Iterator\ConcatIterator; |
8
|
|
|
use SplFixedArray; |
9
|
|
|
use SplHeap; |
10
|
|
|
use SplStack; |
11
|
|
|
use LimitIterator; |
12
|
|
|
use Iterator; |
13
|
|
|
use ArrayAccess; |
14
|
|
|
use Countable; |
15
|
|
|
use CallbackFilterIterator; |
16
|
|
|
use JsonSerializable; |
17
|
|
|
use RuntimeException; |
18
|
|
|
use Traversable; |
19
|
|
|
use ReflectionClass; |
20
|
|
|
use UnderflowException; |
21
|
|
|
use OutOfRangeException; |
22
|
|
|
|
23
|
|
|
/** |
24
|
|
|
* MBHFramework |
25
|
|
|
* |
26
|
|
|
* @link https://github.com/MBHFramework/mbh-framework |
27
|
|
|
* @copyright Copyright (c) 2017 Ulises Jeremias Cornejo Fandos |
28
|
|
|
* @license https://github.com/MBHFramework/mbh-framework/blob/master/LICENSE (MIT License) |
29
|
|
|
*/ |
30
|
|
|
|
31
|
|
|
trait Functional |
32
|
|
|
{ |
33
|
|
|
use Functional\Sort { |
34
|
|
|
Functional\Sort::heapSort as heapSortWithCallback; |
35
|
|
|
Functional\Sort::heapSorted as heapSortedWithCallback; |
36
|
|
|
} |
37
|
|
|
|
38
|
|
|
protected function getSplFixedArrayAndSize() |
39
|
|
|
{ |
40
|
|
|
$count = $this->count(); |
41
|
|
|
return [new SplFixedArray($count), $count]; |
42
|
|
|
} |
43
|
|
|
|
44
|
|
|
/** |
45
|
|
|
* @inheritDoc |
46
|
|
|
*/ |
47
|
|
|
public function any(callable $callback) |
48
|
|
|
{ |
49
|
|
|
for ($i = 0; $i < $count; $i++) { |
|
|
|
|
50
|
|
|
$this[$i] = $callback($this[$i], $i, $this); |
51
|
|
|
} |
52
|
|
|
|
53
|
|
|
return $this; |
54
|
|
|
} |
55
|
|
|
|
56
|
|
|
/** |
57
|
|
|
* @inheritDoc |
58
|
|
|
*/ |
59
|
|
|
public function concat(...$args) |
60
|
|
|
{ |
61
|
|
|
array_unshift($args, $this); |
62
|
|
|
|
63
|
|
|
// Concat this iterator, and variadic args |
64
|
|
|
$class = new ReflectionClass('Mbh\Iterator\ConcatIterator'); |
65
|
|
|
$concatIt = $class->newInstanceArgs($args); |
66
|
|
|
|
67
|
|
|
// Create as new immutable's iterator |
68
|
|
|
return static::fromArray($concatIt->toArray()); |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
/** |
72
|
|
|
* @inheritDoc |
73
|
|
|
*/ |
74
|
|
|
public function find(callable $callback) |
75
|
|
|
{ |
76
|
|
|
foreach ($this as $i => $elem) { |
77
|
|
|
if ($callback($elem, $i, $this)) { |
78
|
|
|
return $elem; |
79
|
|
|
} |
80
|
|
|
} |
81
|
|
|
} |
82
|
|
|
|
83
|
|
|
/** |
84
|
|
|
* @inheritDoc |
85
|
|
|
*/ |
86
|
|
|
public function filter(callable $callback) |
87
|
|
|
{ |
88
|
|
|
list($sfa, $count) = $this->getSplFixedArrayAndSize(); |
89
|
|
|
|
90
|
|
|
$newCount = 0; |
91
|
|
|
foreach ($this as $elem) { |
92
|
|
|
if ($callback($elem)) { |
93
|
|
|
$sfa[$newCount++] = $elem; |
94
|
|
|
} |
95
|
|
|
} |
96
|
|
|
|
97
|
|
|
$sfa->setSize($newCount); |
98
|
|
|
return new static($sfa); |
99
|
|
|
} |
100
|
|
|
|
101
|
|
|
/** |
102
|
|
|
* @inheritDoc |
103
|
|
|
*/ |
104
|
|
|
public function heapSorted(SplHeap $heap) |
105
|
|
|
{ |
106
|
|
|
return $this->copy()->heapSort($heap); |
107
|
|
|
} |
108
|
|
|
|
109
|
|
|
/** |
110
|
|
|
* @inheritDoc |
111
|
|
|
*/ |
112
|
|
|
public function heapSort(SplHeap $heap) |
113
|
|
|
{ |
114
|
|
|
foreach ($this as $item) { |
115
|
|
|
$heap->insert($item); |
116
|
|
|
} |
117
|
|
|
|
118
|
|
|
$this->setSfa(static::fromItems($heap)); |
119
|
|
|
|
120
|
|
|
return $this; |
121
|
|
|
} |
122
|
|
|
|
123
|
|
|
/** |
124
|
|
|
* @inheritDoc |
125
|
|
|
*/ |
126
|
|
|
public function join(string $token = ',', string $secondToken = null): string |
127
|
|
|
{ |
128
|
|
|
$str = ""; |
129
|
|
|
if ($secondToken !== null) { |
130
|
|
|
foreach ($this as $i => $elem) { |
131
|
|
|
$str .= $token . (string) $elem . $secondToken; |
132
|
|
|
} |
133
|
|
|
} else { |
134
|
|
|
$this->rewind(); |
135
|
|
|
while ($this->valid()) { |
136
|
|
|
$str .= (string) $this->current(); |
137
|
|
|
$this->next(); |
138
|
|
|
if ($this->valid()) { |
139
|
|
|
$str .= $token; |
140
|
|
|
} |
141
|
|
|
} |
142
|
|
|
} |
143
|
|
|
|
144
|
|
|
return $str; |
145
|
|
|
} |
146
|
|
|
|
147
|
|
|
/** |
148
|
|
|
* @inheritDoc |
149
|
|
|
*/ |
150
|
|
|
public function map(callable $callback) |
151
|
|
|
{ |
152
|
|
|
list($sfa, $count) = $this->getSplFixedArrayAndSize(); |
153
|
|
|
|
154
|
|
|
for ($i = 0; $i < $count; $i++) { |
155
|
|
|
$sfa[$i] = $callback($this[$i], $i, $this); |
156
|
|
|
} |
157
|
|
|
|
158
|
|
|
return new static($sfa); |
159
|
|
|
} |
160
|
|
|
|
161
|
|
|
/** |
162
|
|
|
* @inheritDoc |
163
|
|
|
*/ |
164
|
|
|
public function reduce(callable $callback, $accumulator = null) |
165
|
|
|
{ |
166
|
|
|
foreach ($this as $i => $elem) { |
167
|
|
|
$accumulator = $callback($accumulator, $elem, $i, $this); |
168
|
|
|
} |
169
|
|
|
|
170
|
|
|
return $accumulator; |
171
|
|
|
} |
172
|
|
|
|
173
|
|
|
/** |
174
|
|
|
* @inheritDoc |
175
|
|
|
*/ |
176
|
|
|
public function search($value) |
177
|
|
|
{ |
178
|
|
|
foreach ($this as $i => $elem) { |
179
|
|
|
if ($value === $elem) { |
180
|
|
|
return $i; |
181
|
|
|
} |
182
|
|
|
} |
183
|
|
|
} |
184
|
|
|
|
185
|
|
|
/** |
186
|
|
|
* @inheritDoc |
187
|
|
|
*/ |
188
|
|
|
public function slice(int $begin = 0, int $length = null) |
189
|
|
|
{ |
190
|
|
|
$end = $begin + $length; |
191
|
|
|
$it = new SliceIterator($this->getSfa(), $begin, $end); |
192
|
|
|
return static::fromArray($it->toArray()); |
193
|
|
|
} |
194
|
|
|
|
195
|
|
|
/** |
196
|
|
|
* @inheritDoc |
197
|
|
|
*/ |
198
|
|
|
public function splice(int $begin = 0, int $length = null, $replacement = []) |
199
|
|
|
{ |
200
|
|
|
$input = $this->toArray(); |
201
|
|
|
array_splice($input, $begin, $length, $replacement); |
202
|
|
|
return static::fromArray($input); |
203
|
|
|
} |
204
|
|
|
|
205
|
|
|
/** |
206
|
|
|
* @inheritDoc |
207
|
|
|
*/ |
208
|
|
|
public function sort(callable $callback = null) |
209
|
|
|
{ |
210
|
|
|
if ($callback) { |
211
|
|
|
return $this->mergeSort($callback); |
212
|
|
|
} |
213
|
|
|
|
214
|
|
|
return $this->arraySort(); |
215
|
|
|
} |
216
|
|
|
|
217
|
|
|
/** |
218
|
|
|
* @inheritDoc |
219
|
|
|
*/ |
220
|
|
|
public function sorted(callable $callback = null) |
221
|
|
|
{ |
222
|
|
|
$copy = FixedArray::fromItems($this->copy()); |
223
|
|
|
|
224
|
|
|
if ($callback) { |
225
|
|
|
$copy->mergeSort($callback); |
226
|
|
|
} |
227
|
|
|
|
228
|
|
|
$copy->arraySort(); |
229
|
|
|
|
230
|
|
|
return static::fromItems($copy); |
231
|
|
|
} |
232
|
|
|
|
233
|
|
|
/** |
234
|
|
|
* @inheritDoc |
235
|
|
|
*/ |
236
|
|
|
public function walk(callable $callback) |
237
|
|
|
{ |
238
|
|
|
foreach ($this as $i => $elem) { |
239
|
|
|
$callback($elem, $i, $this); |
240
|
|
|
} |
241
|
|
|
|
242
|
|
|
return $this; |
243
|
|
|
} |
244
|
|
|
|
245
|
|
|
abstract public static function fromItems(Traversable $array); |
246
|
|
|
|
247
|
|
|
abstract protected function getSfa(): Traversable; |
248
|
|
|
|
249
|
|
|
abstract public function count(): int; |
250
|
|
|
|
251
|
|
|
abstract public function current(); |
252
|
|
|
|
253
|
|
|
abstract public function next(); |
254
|
|
|
|
255
|
|
|
abstract public function rewind(); |
256
|
|
|
|
257
|
|
|
abstract public function valid(); |
258
|
|
|
} |
259
|
|
|
|