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inhereinhere
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✨ feat: add Ext - new add TextScanner class
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5 files changed

+286
-51
lines changed

5 files changed

+286
-51
lines changed

‎src/Arr.php‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -13,7 +13,7 @@
1313

1414
/**
1515
* Class Arr
16-
* alias of the ArrayHelper
16+
* - alias of the ArrayHelper
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*
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* @package Toolkit\Stdlib
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*/

‎src/Ext/TextScanner.php‎

Lines changed: 169 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,169 @@
1+
<?php declare(strict_types=1);
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namespace Toolkit\Stdlib\Ext;
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use Iterator;
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use Toolkit\Stdlib\Helper\Assert;
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use function strtok;
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/**
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* @author inhere
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*/
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class TextScanner implements Iterator
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{
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/** @var string source content */
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private string $source;
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/**
18+
* @var string split token
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*/
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private string $splitToken = "\n";
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private int $index = 0;
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private bool $start = false;
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private bool $done = false;
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/**
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* @var string current token text
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*/
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private string $tokText = '';
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/**
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* @param string $source
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*
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* @return static
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*/
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public static function new(string $source = ''): static
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{
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return new static($source);
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}
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public function __construct(string $source = '')
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{
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$this->source = $source;
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}
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/**
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* scan text token
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*
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* Usage:
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*
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* ```php
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* $s = Scanner::new($source);
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* while ($s->scan()) {
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* $txt = $s->getText();
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* // do something
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* }
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* ```
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*
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* @return bool
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*/
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public function scan(): bool
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{
63+
if ($this->done) {
64+
return false;
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}
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if ($this->start) {
68+
$txt = strtok($this->splitToken);
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} else {
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$this->start = true;
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Assert::notEmpty($this->source, 'The source can not be empty');
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$txt = strtok($this->source, $this->splitToken);
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}
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// end
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if ($txt === false) {
77+
$this->tokText = '';
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// reset
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strtok('', '');
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$this->done = true;
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return false;
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}
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$this->index++;
85+
$this->tokText = $txt;
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return true;
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}
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/**
90+
* @return array = [bool, string]
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*/
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public function nextText(): array
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{
94+
$ok = $this->scan();
95+
return [$ok, $this->tokText];
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}
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/**
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* find next token text from given token
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*
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* @return array = [bool, string]
102+
*/
103+
public function nextToken(string $tok): array
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{
105+
$txt = strtok($tok);
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if ($txt !== false) {
107+
return [true, $txt];
108+
}
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return [false, ''];
110+
}
111+
112+
/**
113+
* @return string get current token text
114+
*/
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public function getText(): string
116+
{
117+
return $this->tokText;
118+
}
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public function getIndex(): int
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{
122+
return $this->index;
123+
}
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public function getSource(): string
126+
{
127+
return $this->source;
128+
}
129+
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public function setSource(string $source): void
131+
{
132+
$this->source = $source;
133+
}
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public function setSplitToken(string $splitToken): void
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{
137+
$this->splitToken = $splitToken;
138+
}
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public function current(): string
141+
{
142+
return $this->tokText;
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}
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public function next(): void
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{
147+
$this->scan();
148+
}
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public function key(): int
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{
152+
return $this->index;
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}
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public function valid(): bool
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{
157+
return !$this->done;
158+
}
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public function rewind(): void
161+
{
162+
$this->source = '';
163+
$this->tokText = '';
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165+
$this->index = 0;
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$this->start = $this->done = false;
167+
}
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169+
}

‎src/Util/Stream/DataStream.php‎

Lines changed: 3 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -111,22 +111,18 @@ public static function intComparer(bool $desc = false): Closure
111111
// ---------------------- middle operations ----------------------
112112

113113
/**
114-
* @param callable(array): bool $func
114+
* @param callable(array): bool $func Will collect items that return true
115115
* @param mixed $boolExpr
116116
*
117117
* @return $this
118118
*/
119119
public function filterIf(callable $func, mixed $boolExpr): self
120120
{
121-
if ($boolExpr) {
122-
return $this->filter($func);
123-
}
124-
125-
return $this;
121+
return $boolExpr ? $this->filter($func) : $this;
126122
}
127123

128124
/**
129-
* @param callable(mixed):bool $filterFn
125+
* @param callable(mixed):bool $filterFn Will collect items that return true
130126
*
131127
* @return $this
132128
*/
@@ -431,7 +427,6 @@ public function noneMatch(callable $matcher): bool
431427
}
432428

433429
/**
434-
* @template T
435430
* @return Optional<T>
436431
*/
437432
public function findFirst(): Optional
@@ -448,7 +443,6 @@ public function findFirst(): Optional
448443
}
449444

450445
/**
451-
* @template T
452446
* @return Optional<T>
453447
*/
454448
public function findLast(): Optional
@@ -467,7 +461,6 @@ public function findLast(): Optional
467461
}
468462

469463
/**
470-
* @template T
471464
* @return Optional<T>
472465
*/
473466
public function findAny(): Optional
@@ -478,7 +471,6 @@ public function findAny(): Optional
478471
/**
479472
* Find one item by given matcher
480473
*
481-
* @template T
482474
* @param callable(mixed): bool $matcher
483475
*
484476
* @return Optional<T>
@@ -495,7 +487,6 @@ public function findOne(callable $matcher): Optional
495487
}
496488

497489
/**
498-
* @template T
499490
* @return Optional<T>
500491
*/
501492
public function findRandom(): Optional
@@ -506,7 +497,6 @@ public function findRandom(): Optional
506497
}
507498

508499
/**
509-
* @template T
510500
* @param callable(T, T): int $comparer
511501
*
512502
* @return Optional<T>
@@ -517,7 +507,6 @@ public function max(callable $comparer): Optional
517507
}
518508

519509
/**
520-
* @template T
521510
* @param callable(T, T): int $comparer
522511
*
523512
* @return Optional<T>

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