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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* Additional emphasis processing code based on commonmark-java (https://github.com/atlassian/commonmark-java)
* - (c) Atlassian Pty Ltd
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Delimiter\Processor;
final class DelimiterProcessorCollection implements DelimiterProcessorCollectionInterface
{
/**
* @var array<string,DelimiterProcessorInterface>|DelimiterProcessorInterface[]
*
* @psalm-readonly-allow-private-mutation
*/
private array $processorsByChar = [];
public function add(DelimiterProcessorInterface $processor): void
{
$opening = $processor->getOpeningCharacter();
$closing = $processor->getClosingCharacter();
if ($opening === $closing) {
$old = $this->processorsByChar[$opening] ?? null;
if ($old !== null && $old->getOpeningCharacter() === $old->getClosingCharacter()) {
$this->addStaggeredDelimiterProcessorForChar($opening, $old, $processor);
} else {
$this->addDelimiterProcessorForChar($opening, $processor);
}
} else {
$this->addDelimiterProcessorForChar($opening, $processor);
$this->addDelimiterProcessorForChar($closing, $processor);
}
}
public function getDelimiterProcessor(string $char): ?DelimiterProcessorInterface
{
return $this->processorsByChar[$char] ?? null;
}
/**
* @return string[]
*/
public function getDelimiterCharacters(): array
{
return \array_keys($this->processorsByChar);
}
private function addDelimiterProcessorForChar(string $delimiterChar, DelimiterProcessorInterface $processor): void
{
if (isset($this->processorsByChar[$delimiterChar])) {
throw new \InvalidArgumentException(\sprintf('Delim processor for character "%s" already exists', $processor->getOpeningCharacter()));
}
$this->processorsByChar[$delimiterChar] = $processor;
}
private function addStaggeredDelimiterProcessorForChar(string $opening, DelimiterProcessorInterface $old, DelimiterProcessorInterface $new): void
{
if ($old instanceof StaggeredDelimiterProcessor) {
$s = $old;
} else {
$s = new StaggeredDelimiterProcessor($opening, $old);
}
$s->add($new);
$this->processorsByChar[$opening] = $s;
}
public function count(): int
{
return \count($this->processorsByChar);
}
}
Zerion Mini Shell 1.0