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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\Utility\String;
/**
* @internal
*/
class StringFragmentCollection implements \Stringable, \Countable
{
/**
* @var list<StringFragment>
*/
protected array $fragments;
/**
* Length of all fragment strings
*/
protected int $length = 0;
public function __construct(StringFragment ...$fragments)
{
$lengths = array_map(static fn(StringFragment $fragment) => $fragment->length, $fragments);
$this->length = array_sum($lengths);
$this->fragments = $fragments;
}
public function __toString(): string
{
return implode('', array_map('strval', $this->fragments));
}
public function count(): int
{
return count($this->fragments);
}
public function with(StringFragment ...$fragments): self
{
$target = clone $this;
foreach ($fragments as $fragment) {
$target->length += $fragment->length;
$target->fragments[] = $fragment;
}
return $target;
}
public function withOnlyType(string $type): self
{
$fragments = array_filter(
$this->fragments,
static fn(StringFragment $item) => $item->type === $type
);
return new self(...$fragments);
}
public function withoutType(string $type): self
{
$fragments = array_filter(
$this->fragments,
static fn(StringFragment $item) => $item->type !== $type
);
return new self(...$fragments);
}
/**
* @return list<StringFragment>
*/
public function getFragments(): array
{
return $this->fragments;
}
public function getLength(): int
{
return $this->length;
}
public function diff(self $other): self
{
$otherFragmentIdents = $other->getFragmentIdents();
$differentFragments = array_filter(
$this->fragments,
static fn(StringFragment $item) => !in_array($item->ident, $otherFragmentIdents, true)
);
return new self(...$differentFragments);
}
public function intersect(self $other): self
{
$otherFragmentIdents = $other->getFragmentIdents();
$sameFragments = array_filter(
$this->fragments,
static fn(StringFragment $item) => in_array($item->ident, $otherFragmentIdents, true)
);
return new self(...$sameFragments);
}
/**
* @return list<string>
*/
protected function getFragmentIdents(): array
{
return array_map(static fn(StringFragment $item) => $item->ident, $this->fragments);
}
}