resolved conflicts

docker/streamline-src/vendor/league/commonmark/src/Delimiter/DelimiterInterface.php

@@ -0,0 +1,56 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Delimiter;
+
+use League\CommonMark\Node\Inline\AbstractStringContainer;
+
+interface DelimiterInterface
+{
+    public function canClose(): bool;
+
+    public function canOpen(): bool;
+
+    /**
+     * @deprecated This method is no longer used internally and will be removed in 3.0
+     */
+    public function isActive(): bool;
+
+    /**
+     * @deprecated This method is no longer used internally and will be removed in 3.0
+     */
+    public function setActive(bool $active): void;
+
+    public function getChar(): string;
+
+    public function getIndex(): ?int;
+
+    public function getNext(): ?DelimiterInterface;
+
+    public function setNext(?DelimiterInterface $next): void;
+
+    public function getLength(): int;
+
+    public function setLength(int $length): void;
+
+    public function getOriginalLength(): int;
+
+    public function getInlineNode(): AbstractStringContainer;
+
+    public function getPrevious(): ?DelimiterInterface;
+
+    public function setPrevious(?DelimiterInterface $previous): void;
+}

docker/streamline-src/vendor/league/commonmark/src/Delimiter/DelimiterParser.php

@@ -0,0 +1,106 @@
+<?php
+
+declare(strict_types=1);
+
+namespace League\CommonMark\Delimiter;
+
+use League\CommonMark\Delimiter\Processor\DelimiterProcessorCollection;
+use League\CommonMark\Delimiter\Processor\DelimiterProcessorInterface;
+use League\CommonMark\Node\Inline\Text;
+use League\CommonMark\Parser\Inline\InlineParserInterface;
+use League\CommonMark\Parser\Inline\InlineParserMatch;
+use League\CommonMark\Parser\InlineParserContext;
+use League\CommonMark\Util\RegexHelper;
+
+/**
+ * Delimiter parsing is implemented as an Inline Parser with the lowest-possible priority
+ *
+ * @internal
+ */
+final class DelimiterParser implements InlineParserInterface
+{
+    private DelimiterProcessorCollection $collection;
+
+    public function __construct(DelimiterProcessorCollection $collection)
+    {
+        $this->collection = $collection;
+    }
+
+    public function getMatchDefinition(): InlineParserMatch
+    {
+        return InlineParserMatch::oneOf(...$this->collection->getDelimiterCharacters());
+    }
+
+    public function parse(InlineParserContext $inlineContext): bool
+    {
+        $character = $inlineContext->getFullMatch();
+        $numDelims = 0;
+        $cursor    = $inlineContext->getCursor();
+        $processor = $this->collection->getDelimiterProcessor($character);
+
+        \assert($processor !== null); // Delimiter processor should never be null here
+
+        $charBefore = $cursor->peek(-1);
+        if ($charBefore === null) {
+            $charBefore = "\n";
+        }
+
+        while ($cursor->peek($numDelims) === $character) {
+            ++$numDelims;
+        }
+
+        if ($numDelims < $processor->getMinLength()) {
+            return false;
+        }
+
+        $cursor->advanceBy($numDelims);
+
+        $charAfter = $cursor->getCurrentCharacter();
+        if ($charAfter === null) {
+            $charAfter = "\n";
+        }
+
+        [$canOpen, $canClose] = self::determineCanOpenOrClose($charBefore, $charAfter, $character, $processor);
+
+        if (! ($canOpen || $canClose)) {
+            $inlineContext->getContainer()->appendChild(new Text(\str_repeat($character, $numDelims)));
+
+            return true;
+        }
+
+        $node = new Text(\str_repeat($character, $numDelims), [
+            'delim' => true,
+        ]);
+        $inlineContext->getContainer()->appendChild($node);
+
+        // Add entry to stack to this opener
+        $delimiter = new Delimiter($character, $numDelims, $node, $canOpen, $canClose, $inlineContext->getCursor()->getPosition());
+        $inlineContext->getDelimiterStack()->push($delimiter);
+
+        return true;
+    }
+
+    /**
+     * @return bool[]
+     */
+    private static function determineCanOpenOrClose(string $charBefore, string $charAfter, string $character, DelimiterProcessorInterface $delimiterProcessor): array
+    {
+        $afterIsWhitespace   = \preg_match(RegexHelper::REGEX_UNICODE_WHITESPACE_CHAR, $charAfter);
+        $afterIsPunctuation  = \preg_match(RegexHelper::REGEX_PUNCTUATION, $charAfter);
+        $beforeIsWhitespace  = \preg_match(RegexHelper::REGEX_UNICODE_WHITESPACE_CHAR, $charBefore);
+        $beforeIsPunctuation = \preg_match(RegexHelper::REGEX_PUNCTUATION, $charBefore);
+
+        $leftFlanking  = ! $afterIsWhitespace && (! $afterIsPunctuation || $beforeIsWhitespace || $beforeIsPunctuation);
+        $rightFlanking = ! $beforeIsWhitespace && (! $beforeIsPunctuation || $afterIsWhitespace || $afterIsPunctuation);
+
+        if ($character === '_') {
+            $canOpen  = $leftFlanking && (! $rightFlanking || $beforeIsPunctuation);
+            $canClose = $rightFlanking && (! $leftFlanking || $afterIsPunctuation);
+        } else {
+            $canOpen  = $leftFlanking && $character === $delimiterProcessor->getOpeningCharacter();
+            $canClose = $rightFlanking && $character === $delimiterProcessor->getClosingCharacter();
+        }
+
+        return [$canOpen, $canClose];
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Delimiter/DelimiterStack.php

@@ -0,0 +1,396 @@
+<?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;
+
+use League\CommonMark\Delimiter\Processor\CacheableDelimiterProcessorInterface;
+use League\CommonMark\Delimiter\Processor\DelimiterProcessorCollection;
+use League\CommonMark\Node\Inline\AdjacentTextMerger;
+use League\CommonMark\Node\Node;
+
+final class DelimiterStack
+{
+    /** @psalm-readonly-allow-private-mutation */
+    private ?DelimiterInterface $top = null;
+
+    /** @psalm-readonly-allow-private-mutation */
+    private ?Bracket $brackets = null;
+
+    /**
+     * @deprecated This property will be removed in 3.0 once all delimiters MUST have an index/position
+     *
+     * @var \SplObjectStorage<DelimiterInterface, int>|\WeakMap<DelimiterInterface, int>
+     */
+    private $missingIndexCache;
+
+
+    private int $remainingDelimiters = 0;
+
+    public function __construct(int $maximumStackSize = PHP_INT_MAX)
+    {
+        $this->remainingDelimiters = $maximumStackSize;
+
+        if (\PHP_VERSION_ID >= 80000) {
+            /** @psalm-suppress PropertyTypeCoercion */
+            $this->missingIndexCache = new \WeakMap(); // @phpstan-ignore-line
+        } else {
+            $this->missingIndexCache = new \SplObjectStorage(); // @phpstan-ignore-line
+        }
+    }
+
+    public function push(DelimiterInterface $newDelimiter): void
+    {
+        if ($this->remainingDelimiters-- <= 0) {
+            return;
+        }
+
+        $newDelimiter->setPrevious($this->top);
+
+        if ($this->top !== null) {
+            $this->top->setNext($newDelimiter);
+        }
+
+        $this->top = $newDelimiter;
+    }
+
+    /**
+     * @internal
+     */
+    public function addBracket(Node $node, int $index, bool $image): void
+    {
+        if ($this->brackets !== null) {
+            $this->brackets->setHasNext(true);
+        }
+
+        $this->brackets = new Bracket($node, $this->brackets, $index, $image);
+    }
+
+    /**
+     * @psalm-immutable
+     */
+    public function getLastBracket(): ?Bracket
+    {
+        return $this->brackets;
+    }
+
+    private function findEarliest(int $stackBottom): ?DelimiterInterface
+    {
+        // Move back to first relevant delim.
+        $delimiter   = $this->top;
+        $lastChecked = null;
+
+        while ($delimiter !== null && self::getIndex($delimiter) > $stackBottom) {
+            $lastChecked = $delimiter;
+            $delimiter   = $delimiter->getPrevious();
+        }
+
+        return $lastChecked;
+    }
+
+    /**
+     * @internal
+     */
+    public function removeBracket(): void
+    {
+        if ($this->brackets === null) {
+            return;
+        }
+
+        $this->brackets = $this->brackets->getPrevious();
+
+        if ($this->brackets !== null) {
+            $this->brackets->setHasNext(false);
+        }
+    }
+
+    public function removeDelimiter(DelimiterInterface $delimiter): void
+    {
+        if ($delimiter->getPrevious() !== null) {
+            /** @psalm-suppress PossiblyNullReference */
+            $delimiter->getPrevious()->setNext($delimiter->getNext());
+        }
+
+        if ($delimiter->getNext() === null) {
+            // top of stack
+            $this->top = $delimiter->getPrevious();
+        } else {
+            /** @psalm-suppress PossiblyNullReference */
+            $delimiter->getNext()->setPrevious($delimiter->getPrevious());
+        }
+
+        // Nullify all references from the removed delimiter to other delimiters.
+        // All references to this particular delimiter in the linked list should be gone,
+        // but it's possible we're still hanging on to other references to things that
+        // have been (or soon will be) removed, which may interfere with efficient
+        // garbage collection by the PHP runtime.
+        // Explicitly releasing these references should help to avoid possible
+        // segfaults like in https://bugs.php.net/bug.php?id=68606.
+        $delimiter->setPrevious(null);
+        $delimiter->setNext(null);
+
+        // TODO: Remove the line below once PHP 7.4 support is dropped, as WeakMap won't hold onto the reference, making this unnecessary
+        unset($this->missingIndexCache[$delimiter]);
+    }
+
+    private function removeDelimiterAndNode(DelimiterInterface $delimiter): void
+    {
+        $delimiter->getInlineNode()->detach();
+        $this->removeDelimiter($delimiter);
+    }
+
+    private function removeDelimitersBetween(DelimiterInterface $opener, DelimiterInterface $closer): void
+    {
+        $delimiter      = $closer->getPrevious();
+        $openerPosition = self::getIndex($opener);
+        while ($delimiter !== null && self::getIndex($delimiter) > $openerPosition) {
+            $previous = $delimiter->getPrevious();
+            $this->removeDelimiter($delimiter);
+            $delimiter = $previous;
+        }
+    }
+
+    /**
+     * @param DelimiterInterface|int|null $stackBottom
+     */
+    public function removeAll($stackBottom = null): void
+    {
+        $stackBottomPosition = \is_int($stackBottom) ? $stackBottom : self::getIndex($stackBottom);
+
+        while ($this->top && $this->getIndex($this->top) > $stackBottomPosition) {
+            $this->removeDelimiter($this->top);
+        }
+    }
+
+    /**
+     * @deprecated This method is no longer used internally and will be removed in 3.0
+     */
+    public function removeEarlierMatches(string $character): void
+    {
+        $opener = $this->top;
+        while ($opener !== null) {
+            if ($opener->getChar() === $character) {
+                $opener->setActive(false);
+            }
+
+            $opener = $opener->getPrevious();
+        }
+    }
+
+    /**
+     * @internal
+     */
+    public function deactivateLinkOpeners(): void
+    {
+        $opener = $this->brackets;
+        while ($opener !== null && $opener->isActive()) {
+            $opener->setActive(false);
+            $opener = $opener->getPrevious();
+        }
+    }
+
+    /**
+     * @deprecated This method is no longer used internally and will be removed in 3.0
+     *
+     * @param string|string[] $characters
+     */
+    public function searchByCharacter($characters): ?DelimiterInterface
+    {
+        if (! \is_array($characters)) {
+            $characters = [$characters];
+        }
+
+        $opener = $this->top;
+        while ($opener !== null) {
+            if (\in_array($opener->getChar(), $characters, true)) {
+                break;
+            }
+
+            $opener = $opener->getPrevious();
+        }
+
+        return $opener;
+    }
+
+    /**
+     * @param DelimiterInterface|int|null $stackBottom
+     *
+     * @todo change $stackBottom to an int in 3.0
+     */
+    public function processDelimiters($stackBottom, DelimiterProcessorCollection $processors): void
+    {
+        /** @var array<string, int> $openersBottom */
+        $openersBottom = [];
+
+        $stackBottomPosition = \is_int($stackBottom) ? $stackBottom : self::getIndex($stackBottom);
+
+        // Find first closer above stackBottom
+        $closer = $this->findEarliest($stackBottomPosition);
+
+        // Move forward, looking for closers, and handling each
+        while ($closer !== null) {
+            $closingDelimiterChar = $closer->getChar();
+
+            $delimiterProcessor = $processors->getDelimiterProcessor($closingDelimiterChar);
+            if (! $closer->canClose() || $delimiterProcessor === null) {
+                $closer = $closer->getNext();
+                continue;
+            }
+
+            if ($delimiterProcessor instanceof CacheableDelimiterProcessorInterface) {
+                $openersBottomCacheKey = $delimiterProcessor->getCacheKey($closer);
+            } else {
+                $openersBottomCacheKey = $closingDelimiterChar;
+            }
+
+            $openingDelimiterChar = $delimiterProcessor->getOpeningCharacter();
+
+            $useDelims            = 0;
+            $openerFound          = false;
+            $potentialOpenerFound = false;
+            $opener               = $closer->getPrevious();
+            while ($opener !== null && ($openerPosition = self::getIndex($opener)) > $stackBottomPosition && $openerPosition >= ($openersBottom[$openersBottomCacheKey] ?? 0)) {
+                if ($opener->canOpen() && $opener->getChar() === $openingDelimiterChar) {
+                    $potentialOpenerFound = true;
+                    $useDelims            = $delimiterProcessor->getDelimiterUse($opener, $closer);
+                    if ($useDelims > 0) {
+                        $openerFound = true;
+                        break;
+                    }
+                }
+
+                $opener = $opener->getPrevious();
+            }
+
+            if (! $openerFound) {
+                // Set lower bound for future searches
+                // TODO: Remove this conditional check in 3.0. It only exists to prevent behavioral BC breaks in 2.x.
+                if ($potentialOpenerFound === false || $delimiterProcessor instanceof CacheableDelimiterProcessorInterface) {
+                    $openersBottom[$openersBottomCacheKey] = self::getIndex($closer);
+                }
+
+                if (! $potentialOpenerFound && ! $closer->canOpen()) {
+                    // We can remove a closer that can't be an opener,
+                    // once we've seen there's no matching opener.
+                    $next = $closer->getNext();
+                    $this->removeDelimiter($closer);
+                    $closer = $next;
+                } else {
+                    $closer = $closer->getNext();
+                }
+
+                continue;
+            }
+
+            \assert($opener !== null);
+
+            $openerNode = $opener->getInlineNode();
+            $closerNode = $closer->getInlineNode();
+
+            // Remove number of used delimiters from stack and inline nodes.
+            $opener->setLength($opener->getLength() - $useDelims);
+            $closer->setLength($closer->getLength() - $useDelims);
+
+            $openerNode->setLiteral(\substr($openerNode->getLiteral(), 0, -$useDelims));
+            $closerNode->setLiteral(\substr($closerNode->getLiteral(), 0, -$useDelims));
+
+            $this->removeDelimitersBetween($opener, $closer);
+            // The delimiter processor can re-parent the nodes between opener and closer,
+            // so make sure they're contiguous already. Exclusive because we want to keep opener/closer themselves.
+            AdjacentTextMerger::mergeTextNodesBetweenExclusive($openerNode, $closerNode);
+            $delimiterProcessor->process($openerNode, $closerNode, $useDelims);
+
+            // No delimiter characters left to process, so we can remove delimiter and the now empty node.
+            if ($opener->getLength() === 0) {
+                $this->removeDelimiterAndNode($opener);
+            }
+
+            // phpcs:disable SlevomatCodingStandard.ControlStructures.EarlyExit.EarlyExitNotUsed
+            if ($closer->getLength() === 0) {
+                $next = $closer->getNext();
+                $this->removeDelimiterAndNode($closer);
+                $closer = $next;
+            }
+        }
+
+        // Remove all delimiters
+        $this->removeAll($stackBottomPosition);
+    }
+
+    /**
+     * @internal
+     */
+    public function __destruct()
+    {
+        while ($this->top) {
+            $this->removeDelimiter($this->top);
+        }
+
+        while ($this->brackets) {
+            $this->removeBracket();
+        }
+    }
+
+    /**
+     * @deprecated This method will be dropped in 3.0 once all delimiters MUST have an index/position
+     */
+    private function getIndex(?DelimiterInterface $delimiter): int
+    {
+        if ($delimiter === null) {
+            return -1;
+        }
+
+        if (($index = $delimiter->getIndex()) !== null) {
+            return $index;
+        }
+
+        if (isset($this->missingIndexCache[$delimiter])) {
+            return $this->missingIndexCache[$delimiter];
+        }
+
+        $prev = $delimiter->getPrevious();
+        $next = $delimiter->getNext();
+
+        $i = 0;
+        do {
+            $i++;
+            if ($prev === null) {
+                break;
+            }
+
+            if ($prev->getIndex() !== null) {
+                return $this->missingIndexCache[$delimiter] = $prev->getIndex() + $i;
+            }
+        } while ($prev = $prev->getPrevious());
+
+        $j = 0;
+        do {
+            $j++;
+            if ($next === null) {
+                break;
+            }
+
+            if ($next->getIndex() !== null) {
+                return $this->missingIndexCache[$delimiter] = $next->getIndex() - $j;
+            }
+        } while ($next = $next->getNext());
+
+        // No index was defined on this delimiter, and none could be guesstimated based on the stack.
+        return $this->missingIndexCache[$delimiter] = $this->getIndex($delimiter->getPrevious()) + 1;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Delimiter/Processor/DelimiterProcessorInterface.php

@@ -0,0 +1,81 @@
+<?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;
+
+use League\CommonMark\Delimiter\DelimiterInterface;
+use League\CommonMark\Node\Inline\AbstractStringContainer;
+
+/**
+ * Interface for a delimiter processor
+ */
+interface DelimiterProcessorInterface
+{
+    /**
+     * Returns the character that marks the beginning of a delimited node.
+     *
+     * This must not clash with any other processors being added to the environment.
+     */
+    public function getOpeningCharacter(): string;
+
+    /**
+     * Returns the character that marks the ending of a delimited node.
+     *
+     * This must not clash with any other processors being added to the environment.
+     *
+     * Note that for a symmetric delimiter such as "*", this is the same as the opening.
+     */
+    public function getClosingCharacter(): string;
+
+    /**
+     * Minimum number of delimiter characters that are needed to active this.
+     *
+     * Must be at least 1.
+     */
+    public function getMinLength(): int;
+
+    /**
+     * Determine how many (if any) of the delimiter characters should be used.
+     *
+     * This allows implementations to decide how many characters to be used
+     * based on the properties of the delimiter runs. An implementation can also
+     * return 0 when it doesn't want to allow this particular combination of
+     * delimiter runs.
+     *
+     * IMPORTANT: Unless this method returns the same hard-coded value in all cases,
+     * you MUST implement the CacheableDelimiterProcessorInterface interface instead.
+     *
+     * @param DelimiterInterface $opener The opening delimiter run
+     * @param DelimiterInterface $closer The closing delimiter run
+     */
+    public function getDelimiterUse(DelimiterInterface $opener, DelimiterInterface $closer): int;
+
+    /**
+     * Process the matched delimiters, e.g. by wrapping the nodes between opener
+     * and closer in a new node, or appending a new node after the opener.
+     *
+     * Note that removal of the delimiter from the delimiter nodes and detaching
+     * them is done by the caller.
+     *
+     * @param AbstractStringContainer $opener       The node that contained the opening delimiter
+     * @param AbstractStringContainer $closer       The node that contained the closing delimiter
+     * @param int                     $delimiterUse The number of delimiters that were used
+     */
+    public function process(AbstractStringContainer $opener, AbstractStringContainer $closer, int $delimiterUse): void;
+}

docker/streamline-src/vendor/league/commonmark/src/Environment/Environment.php

@@ -0,0 +1,448 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Environment;
+
+use League\CommonMark\Delimiter\DelimiterParser;
+use League\CommonMark\Delimiter\Processor\DelimiterProcessorCollection;
+use League\CommonMark\Delimiter\Processor\DelimiterProcessorInterface;
+use League\CommonMark\Event\DocumentParsedEvent;
+use League\CommonMark\Event\ListenerData;
+use League\CommonMark\Exception\AlreadyInitializedException;
+use League\CommonMark\Extension\CommonMark\CommonMarkCoreExtension;
+use League\CommonMark\Extension\ConfigurableExtensionInterface;
+use League\CommonMark\Extension\ExtensionInterface;
+use League\CommonMark\Extension\GithubFlavoredMarkdownExtension;
+use League\CommonMark\Normalizer\SlugNormalizer;
+use League\CommonMark\Normalizer\TextNormalizerInterface;
+use League\CommonMark\Normalizer\UniqueSlugNormalizer;
+use League\CommonMark\Normalizer\UniqueSlugNormalizerInterface;
+use League\CommonMark\Parser\Block\BlockStartParserInterface;
+use League\CommonMark\Parser\Block\SkipLinesStartingWithLettersParser;
+use League\CommonMark\Parser\Inline\InlineParserInterface;
+use League\CommonMark\Renderer\NodeRendererInterface;
+use League\CommonMark\Util\HtmlFilter;
+use League\CommonMark\Util\PrioritizedList;
+use League\Config\Configuration;
+use League\Config\ConfigurationAwareInterface;
+use League\Config\ConfigurationInterface;
+use Nette\Schema\Expect;
+use Psr\EventDispatcher\EventDispatcherInterface;
+use Psr\EventDispatcher\ListenerProviderInterface;
+use Psr\EventDispatcher\StoppableEventInterface;
+
+final class Environment implements EnvironmentInterface, EnvironmentBuilderInterface, ListenerProviderInterface
+{
+    /**
+     * @var ExtensionInterface[]
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private array $extensions = [];
+
+    /**
+     * @var ExtensionInterface[]
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private array $uninitializedExtensions = [];
+
+    /** @psalm-readonly-allow-private-mutation */
+    private bool $extensionsInitialized = false;
+
+    /**
+     * @var PrioritizedList<BlockStartParserInterface>
+     *
+     * @psalm-readonly
+     */
+    private PrioritizedList $blockStartParsers;
+
+    /**
+     * @var PrioritizedList<InlineParserInterface>
+     *
+     * @psalm-readonly
+     */
+    private PrioritizedList $inlineParsers;
+
+    /** @psalm-readonly */
+    private DelimiterProcessorCollection $delimiterProcessors;
+
+    /**
+     * @var array<string, PrioritizedList<NodeRendererInterface>>
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private array $renderersByClass = [];
+
+    /**
+     * @var PrioritizedList<ListenerData>
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private PrioritizedList $listenerData;
+
+    private ?EventDispatcherInterface $eventDispatcher = null;
+
+    /** @psalm-readonly */
+    private Configuration $config;
+
+    private ?TextNormalizerInterface $slugNormalizer = null;
+
+    /**
+     * @param array<string, mixed> $config
+     */
+    public function __construct(array $config = [])
+    {
+        $this->config = self::createDefaultConfiguration();
+        $this->config->merge($config);
+
+        $this->blockStartParsers   = new PrioritizedList();
+        $this->inlineParsers       = new PrioritizedList();
+        $this->listenerData        = new PrioritizedList();
+        $this->delimiterProcessors = new DelimiterProcessorCollection();
+
+        // Performance optimization: always include a block "parser" that aborts parsing if a line starts with a letter
+        // and is therefore unlikely to match any lines as a block start.
+        $this->addBlockStartParser(new SkipLinesStartingWithLettersParser(), 249);
+    }
+
+    public function getConfiguration(): ConfigurationInterface
+    {
+        return $this->config->reader();
+    }
+
+    /**
+     * @deprecated Environment::mergeConfig() is deprecated since league/commonmark v2.0 and will be removed in v3.0. Configuration should be set when instantiating the environment instead.
+     *
+     * @param array<string, mixed> $config
+     */
+    public function mergeConfig(array $config): void
+    {
+        @\trigger_error('Environment::mergeConfig() is deprecated since league/commonmark v2.0 and will be removed in v3.0. Configuration should be set when instantiating the environment instead.', \E_USER_DEPRECATED);
+
+        $this->assertUninitialized('Failed to modify configuration.');
+
+        $this->config->merge($config);
+    }
+
+    public function addBlockStartParser(BlockStartParserInterface $parser, int $priority = 0): EnvironmentBuilderInterface
+    {
+        $this->assertUninitialized('Failed to add block start parser.');
+
+        $this->blockStartParsers->add($parser, $priority);
+        $this->injectEnvironmentAndConfigurationIfNeeded($parser);
+
+        return $this;
+    }
+
+    public function addInlineParser(InlineParserInterface $parser, int $priority = 0): EnvironmentBuilderInterface
+    {
+        $this->assertUninitialized('Failed to add inline parser.');
+
+        $this->inlineParsers->add($parser, $priority);
+        $this->injectEnvironmentAndConfigurationIfNeeded($parser);
+
+        return $this;
+    }
+
+    public function addDelimiterProcessor(DelimiterProcessorInterface $processor): EnvironmentBuilderInterface
+    {
+        $this->assertUninitialized('Failed to add delimiter processor.');
+        $this->delimiterProcessors->add($processor);
+        $this->injectEnvironmentAndConfigurationIfNeeded($processor);
+
+        return $this;
+    }
+
+    public function addRenderer(string $nodeClass, NodeRendererInterface $renderer, int $priority = 0): EnvironmentBuilderInterface
+    {
+        $this->assertUninitialized('Failed to add renderer.');
+
+        if (! isset($this->renderersByClass[$nodeClass])) {
+            $this->renderersByClass[$nodeClass] = new PrioritizedList();
+        }
+
+        $this->renderersByClass[$nodeClass]->add($renderer, $priority);
+        $this->injectEnvironmentAndConfigurationIfNeeded($renderer);
+
+        return $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getBlockStartParsers(): iterable
+    {
+        if (! $this->extensionsInitialized) {
+            $this->initializeExtensions();
+        }
+
+        return $this->blockStartParsers->getIterator();
+    }
+
+    public function getDelimiterProcessors(): DelimiterProcessorCollection
+    {
+        if (! $this->extensionsInitialized) {
+            $this->initializeExtensions();
+        }
+
+        return $this->delimiterProcessors;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getRenderersForClass(string $nodeClass): iterable
+    {
+        if (! $this->extensionsInitialized) {
+            $this->initializeExtensions();
+        }
+
+        // If renderers are defined for this specific class, return them immediately
+        if (isset($this->renderersByClass[$nodeClass])) {
+            return $this->renderersByClass[$nodeClass];
+        }
+
+        /** @psalm-suppress TypeDoesNotContainType -- Bug: https://github.com/vimeo/psalm/issues/3332 */
+        while (\class_exists($parent ??= $nodeClass) && $parent = \get_parent_class($parent)) {
+            if (! isset($this->renderersByClass[$parent])) {
+                continue;
+            }
+
+            // "Cache" this result to avoid future loops
+            return $this->renderersByClass[$nodeClass] = $this->renderersByClass[$parent];
+        }
+
+        return [];
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getExtensions(): iterable
+    {
+        return $this->extensions;
+    }
+
+    /**
+     * Add a single extension
+     *
+     * @return $this
+     */
+    public function addExtension(ExtensionInterface $extension): EnvironmentBuilderInterface
+    {
+        $this->assertUninitialized('Failed to add extension.');
+
+        $this->extensions[]              = $extension;
+        $this->uninitializedExtensions[] = $extension;
+
+        if ($extension instanceof ConfigurableExtensionInterface) {
+            $extension->configureSchema($this->config);
+        }
+
+        return $this;
+    }
+
+    private function initializeExtensions(): void
+    {
+        // Initialize the slug normalizer
+        $this->getSlugNormalizer();
+
+        // Ask all extensions to register their components
+        while (\count($this->uninitializedExtensions) > 0) {
+            foreach ($this->uninitializedExtensions as $i => $extension) {
+                $extension->register($this);
+                unset($this->uninitializedExtensions[$i]);
+            }
+        }
+
+        $this->extensionsInitialized = true;
+
+        // Create the special delimiter parser if any processors were registered
+        if ($this->delimiterProcessors->count() > 0) {
+            $this->inlineParsers->add(new DelimiterParser($this->delimiterProcessors), PHP_INT_MIN);
+        }
+    }
+
+    private function injectEnvironmentAndConfigurationIfNeeded(object $object): void
+    {
+        if ($object instanceof EnvironmentAwareInterface) {
+            $object->setEnvironment($this);
+        }
+
+        if ($object instanceof ConfigurationAwareInterface) {
+            $object->setConfiguration($this->config->reader());
+        }
+    }
+
+    /**
+     * @deprecated Instantiate the environment and add the extension yourself
+     *
+     * @param array<string, mixed> $config
+     */
+    public static function createCommonMarkEnvironment(array $config = []): Environment
+    {
+        $environment = new self($config);
+        $environment->addExtension(new CommonMarkCoreExtension());
+
+        return $environment;
+    }
+
+    /**
+     * @deprecated Instantiate the environment and add the extension yourself
+     *
+     * @param array<string, mixed> $config
+     */
+    public static function createGFMEnvironment(array $config = []): Environment
+    {
+        $environment = new self($config);
+        $environment->addExtension(new CommonMarkCoreExtension());
+        $environment->addExtension(new GithubFlavoredMarkdownExtension());
+
+        return $environment;
+    }
+
+    public function addEventListener(string $eventClass, callable $listener, int $priority = 0): EnvironmentBuilderInterface
+    {
+        $this->assertUninitialized('Failed to add event listener.');
+
+        $this->listenerData->add(new ListenerData($eventClass, $listener), $priority);
+
+        if (\is_object($listener)) {
+            $this->injectEnvironmentAndConfigurationIfNeeded($listener);
+        } elseif (\is_array($listener) && \is_object($listener[0])) {
+            $this->injectEnvironmentAndConfigurationIfNeeded($listener[0]);
+        }
+
+        return $this;
+    }
+
+    public function dispatch(object $event): object
+    {
+        if (! $this->extensionsInitialized) {
+            $this->initializeExtensions();
+        }
+
+        if ($this->eventDispatcher !== null) {
+            return $this->eventDispatcher->dispatch($event);
+        }
+
+        foreach ($this->getListenersForEvent($event) as $listener) {
+            if ($event instanceof StoppableEventInterface && $event->isPropagationStopped()) {
+                return $event;
+            }
+
+            $listener($event);
+        }
+
+        return $event;
+    }
+
+    public function setEventDispatcher(EventDispatcherInterface $dispatcher): void
+    {
+        $this->eventDispatcher = $dispatcher;
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * @return iterable<callable>
+     */
+    public function getListenersForEvent(object $event): iterable
+    {
+        foreach ($this->listenerData as $listenerData) {
+            \assert($listenerData instanceof ListenerData);
+
+            /** @psalm-suppress ArgumentTypeCoercion */
+            if (! \is_a($event, $listenerData->getEvent())) {
+                continue;
+            }
+
+            yield function (object $event) use ($listenerData) {
+                if (! $this->extensionsInitialized) {
+                    $this->initializeExtensions();
+                }
+
+                return \call_user_func($listenerData->getListener(), $event);
+            };
+        }
+    }
+
+    /**
+     * @return iterable<InlineParserInterface>
+     */
+    public function getInlineParsers(): iterable
+    {
+        if (! $this->extensionsInitialized) {
+            $this->initializeExtensions();
+        }
+
+        return $this->inlineParsers->getIterator();
+    }
+
+    public function getSlugNormalizer(): TextNormalizerInterface
+    {
+        if ($this->slugNormalizer === null) {
+            $normalizer = $this->config->get('slug_normalizer/instance');
+            \assert($normalizer instanceof TextNormalizerInterface);
+            $this->injectEnvironmentAndConfigurationIfNeeded($normalizer);
+
+            if ($this->config->get('slug_normalizer/unique') !== UniqueSlugNormalizerInterface::DISABLED && ! $normalizer instanceof UniqueSlugNormalizer) {
+                $normalizer = new UniqueSlugNormalizer($normalizer);
+            }
+
+            if ($normalizer instanceof UniqueSlugNormalizer) {
+                if ($this->config->get('slug_normalizer/unique') === UniqueSlugNormalizerInterface::PER_DOCUMENT) {
+                    $this->addEventListener(DocumentParsedEvent::class, [$normalizer, 'clearHistory'], -1000);
+                }
+            }
+
+            $this->slugNormalizer = $normalizer;
+        }
+
+        return $this->slugNormalizer;
+    }
+
+    /**
+     * @throws AlreadyInitializedException
+     */
+    private function assertUninitialized(string $message): void
+    {
+        if ($this->extensionsInitialized) {
+            throw new AlreadyInitializedException($message . ' Extensions have already been initialized.');
+        }
+    }
+
+    public static function createDefaultConfiguration(): Configuration
+    {
+        return new Configuration([
+            'html_input' => Expect::anyOf(HtmlFilter::STRIP, HtmlFilter::ALLOW, HtmlFilter::ESCAPE)->default(HtmlFilter::ALLOW),
+            'allow_unsafe_links' => Expect::bool(true),
+            'max_nesting_level' => Expect::type('int')->default(PHP_INT_MAX),
+            'max_delimiters_per_line' => Expect::type('int')->default(PHP_INT_MAX),
+            'renderer' => Expect::structure([
+                'block_separator' => Expect::string("\n"),
+                'inner_separator' => Expect::string("\n"),
+                'soft_break' => Expect::string("\n"),
+            ]),
+            'slug_normalizer' => Expect::structure([
+                'instance' => Expect::type(TextNormalizerInterface::class)->default(new SlugNormalizer()),
+                'max_length' => Expect::int()->min(0)->default(255),
+                'unique' => Expect::anyOf(UniqueSlugNormalizerInterface::DISABLED, UniqueSlugNormalizerInterface::PER_ENVIRONMENT, UniqueSlugNormalizerInterface::PER_DOCUMENT)->default(UniqueSlugNormalizerInterface::PER_DOCUMENT),
+            ]),
+        ]);
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/Attributes/Util/AttributesHelper.php

@@ -0,0 +1,142 @@
+<?php
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ * (c) 2015 Martin Hasoň <martin.hason@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\CommonMark\Extension\Attributes\Util;
+
+use League\CommonMark\Node\Node;
+use League\CommonMark\Parser\Cursor;
+use League\CommonMark\Util\RegexHelper;
+
+/**
+ * @internal
+ */
+final class AttributesHelper
+{
+    private const SINGLE_ATTRIBUTE = '\s*([.]-?[_a-z][^\s}]*|[#][^\s}]+|' . RegexHelper::PARTIAL_ATTRIBUTENAME . RegexHelper::PARTIAL_ATTRIBUTEVALUESPEC . ')\s*';
+    private const ATTRIBUTE_LIST   = '/^{:?(' . self::SINGLE_ATTRIBUTE . ')+}/i';
+
+    /**
+     * @return array<string, mixed>
+     */
+    public static function parseAttributes(Cursor $cursor): array
+    {
+        $state = $cursor->saveState();
+        $cursor->advanceToNextNonSpaceOrNewline();
+
+        // Quick check to see if we might have attributes
+        if ($cursor->getCharacter() !== '{') {
+            $cursor->restoreState($state);
+
+            return [];
+        }
+
+        // Attempt to match the entire attribute list expression
+        // While this is less performant than checking for '{' now and '}' later, it simplifies
+        // matching individual attributes since they won't need to look ahead for the closing '}'
+        // while dealing with the fact that attributes can technically contain curly braces.
+        // So we'll just match the start and end braces up front.
+        $attributeExpression = $cursor->match(self::ATTRIBUTE_LIST);
+        if ($attributeExpression === null) {
+            $cursor->restoreState($state);
+
+            return [];
+        }
+
+        // Trim the leading '{' or '{:' and the trailing '}'
+        $attributeExpression = \ltrim(\substr($attributeExpression, 1, -1), ':');
+        $attributeCursor     = new Cursor($attributeExpression);
+
+        /** @var array<string, mixed> $attributes */
+        $attributes = [];
+        while ($attribute = \trim((string) $attributeCursor->match('/^' . self::SINGLE_ATTRIBUTE . '/i'))) {
+            if ($attribute[0] === '#') {
+                $attributes['id'] = \substr($attribute, 1);
+
+                continue;
+            }
+
+            if ($attribute[0] === '.') {
+                $attributes['class'][] = \substr($attribute, 1);
+
+                continue;
+            }
+
+            /** @psalm-suppress PossiblyUndefinedArrayOffset */
+            [$name, $value] = \explode('=', $attribute, 2);
+
+            if ($value === 'true') {
+                $attributes[$name] = true;
+                continue;
+            }
+
+            $first = $value[0];
+            $last  = \substr($value, -1);
+            if (($first === '"' && $last === '"') || ($first === "'" && $last === "'") && \strlen($value) > 1) {
+                $value = \substr($value, 1, -1);
+            }
+
+            if (\strtolower(\trim($name)) === 'class') {
+                foreach (\array_filter(\explode(' ', \trim($value))) as $class) {
+                    $attributes['class'][] = $class;
+                }
+            } else {
+                $attributes[\trim($name)] = \trim($value);
+            }
+        }
+
+        if (isset($attributes['class'])) {
+            $attributes['class'] = \implode(' ', (array) $attributes['class']);
+        }
+
+        return $attributes;
+    }
+
+    /**
+     * @param Node|array<string, mixed> $attributes1
+     * @param Node|array<string, mixed> $attributes2
+     *
+     * @return array<string, mixed>
+     */
+    public static function mergeAttributes($attributes1, $attributes2): array
+    {
+        $attributes = [];
+        foreach ([$attributes1, $attributes2] as $arg) {
+            if ($arg instanceof Node) {
+                $arg = $arg->data->get('attributes');
+            }
+
+            /** @var array<string, mixed> $arg */
+            $arg = (array) $arg;
+            if (isset($arg['class'])) {
+                if (\is_string($arg['class'])) {
+                    $arg['class'] = \array_filter(\explode(' ', \trim($arg['class'])));
+                }
+
+                foreach ($arg['class'] as $class) {
+                    $attributes['class'][] = $class;
+                }
+
+                unset($arg['class']);
+            }
+
+            $attributes = \array_merge($attributes, $arg);
+        }
+
+        if (isset($attributes['class'])) {
+            $attributes['class'] = \implode(' ', $attributes['class']);
+        }
+
+        return $attributes;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/Autolink/AutolinkExtension.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\Autolink;
+
+use League\CommonMark\Environment\EnvironmentBuilderInterface;
+use League\CommonMark\Extension\ConfigurableExtensionInterface;
+use League\Config\ConfigurationBuilderInterface;
+use Nette\Schema\Expect;
+
+final class AutolinkExtension implements ConfigurableExtensionInterface
+{
+    public function configureSchema(ConfigurationBuilderInterface $builder): void
+    {
+        $builder->addSchema('autolink', Expect::structure([
+            'allowed_protocols' => Expect::listOf('string')->default(['http', 'https', 'ftp'])->mergeDefaults(false),
+            'default_protocol' => Expect::string()->default('http'),
+        ]));
+    }
+
+    public function register(EnvironmentBuilderInterface $environment): void
+    {
+        $environment->addInlineParser(new EmailAutolinkParser());
+        $environment->addInlineParser(new UrlAutolinkParser(
+            $environment->getConfiguration()->get('autolink.allowed_protocols'),
+            $environment->getConfiguration()->get('autolink.default_protocol'),
+        ));
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/Autolink/UrlAutolinkParser.php

@@ -0,0 +1,157 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\Autolink;
+
+use League\CommonMark\Extension\CommonMark\Node\Inline\Link;
+use League\CommonMark\Parser\Inline\InlineParserInterface;
+use League\CommonMark\Parser\Inline\InlineParserMatch;
+use League\CommonMark\Parser\InlineParserContext;
+
+final class UrlAutolinkParser implements InlineParserInterface
+{
+    private const ALLOWED_AFTER = [null, ' ', "\t", "\n", "\x0b", "\x0c", "\x0d", '*', '_', '~', '('];
+
+    // RegEx adapted from https://github.com/symfony/symfony/blob/6.3/src/Symfony/Component/Validator/Constraints/UrlValidator.php
+    private const REGEX = '~
+        (
+            # Must start with a supported scheme + auth, or "www"
+            (?:
+                (?:%s)://                                                                            # protocol
+                (?:(?:(?:[\_\.\pL\pN-]|%%[0-9A-Fa-f]{2})+:)?((?:[\_\.\pL\pN-]|%%[0-9A-Fa-f]{2})+)@)? # basic auth
+            |www\.)
+            (?:
+                (?:
+                    (?:xn--[a-z0-9-]++\.)*+xn--[a-z0-9-]++            # a domain name using punycode
+                        |
+                    (?:[\pL\pN\pS\pM\-\_]++\.){1,127}[\pL\pN\pM]++    # a multi-level domain name; total length must be 253 bytes or less
+                        |
+                    [a-z0-9\-\_]++                                    # a single-level domain name
+                )\.?
+                    |                                                 # or
+                \d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}                    # an IP address
+                    |                                                 # or
+                \[
+                    (?:(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){6})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:::(?:(?:(?:[0-9a-f]{1,4})):){5})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){4})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,1}(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){3})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,2}(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){2})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,3}(?:(?:[0-9a-f]{1,4})))?::(?:(?:[0-9a-f]{1,4})):)(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,4}(?:(?:[0-9a-f]{1,4})))?::)(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,5}(?:(?:[0-9a-f]{1,4})))?::)(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,6}(?:(?:[0-9a-f]{1,4})))?::))))
+                \]  # an IPv6 address
+            )
+            (?::[0-9]+)?                              # a port (optional)
+            (?:/ (?:[\pL\pN\-._\~!$&\'()*+,;=:@]|%%[0-9A-Fa-f]{2})* )*        # a path
+            (?:\? (?:[\pL\pN\-._\~!$&\'\[\]()*+,;=:@/?]|%%[0-9A-Fa-f]{2})* )? # a query (optional)
+            (?:\# (?:[\pL\pN\-._\~!$&\'()*+,;=:@/?]|%%[0-9A-Fa-f]{2})* )?     # a fragment (optional)
+        )~ixu';
+
+    /**
+     * @var string[]
+     *
+     * @psalm-readonly
+     */
+    private array $prefixes = ['www.'];
+
+    /**
+     * @psalm-var non-empty-string
+     *
+     * @psalm-readonly
+     */
+    private string $finalRegex;
+
+    private string $defaultProtocol;
+
+    /**
+     * @param array<int, string> $allowedProtocols
+     */
+    public function __construct(array $allowedProtocols = ['http', 'https', 'ftp'], string $defaultProtocol = 'http')
+    {
+        /**
+         * @psalm-suppress PropertyTypeCoercion
+         */
+        $this->finalRegex = \sprintf(self::REGEX, \implode('|', $allowedProtocols));
+
+        foreach ($allowedProtocols as $protocol) {
+            $this->prefixes[] = $protocol . '://';
+        }
+
+        $this->defaultProtocol = $defaultProtocol;
+    }
+
+    public function getMatchDefinition(): InlineParserMatch
+    {
+        return InlineParserMatch::oneOf(...$this->prefixes);
+    }
+
+    public function parse(InlineParserContext $inlineContext): bool
+    {
+        $cursor = $inlineContext->getCursor();
+
+        // Autolinks can only come at the beginning of a line, after whitespace, or certain delimiting characters
+        $previousChar = $cursor->peek(-1);
+        if (! \in_array($previousChar, self::ALLOWED_AFTER, true)) {
+            return false;
+        }
+
+        // Check if we have a valid URL
+        if (! \preg_match($this->finalRegex, $cursor->getRemainder(), $matches)) {
+            return false;
+        }
+
+        $url = $matches[0];
+
+        // Does the URL end with punctuation that should be stripped?
+        if (\preg_match('/(.+?)([?!.,:*_~]+)$/', $url, $matches)) {
+            // Add the punctuation later
+            $url = $matches[1];
+        }
+
+        // Does the URL end with something that looks like an entity reference?
+        if (\preg_match('/(.+)(&[A-Za-z0-9]+;)$/', $url, $matches)) {
+            $url = $matches[1];
+        }
+
+        // Does the URL need unmatched parens chopped off?
+        if (\substr($url, -1) === ')' && ($diff = self::diffParens($url)) > 0) {
+            $url = \substr($url, 0, -$diff);
+        }
+
+        $cursor->advanceBy(\mb_strlen($url, 'UTF-8'));
+
+        // Auto-prefix 'http(s)://' onto 'www' URLs
+        if (\substr($url, 0, 4) === 'www.') {
+            $inlineContext->getContainer()->appendChild(new Link($this->defaultProtocol . '://' . $url, $url));
+
+            return true;
+        }
+
+        $inlineContext->getContainer()->appendChild(new Link($url, $url));
+
+        return true;
+    }
+
+    /**
+     * @psalm-pure
+     */
+    private static function diffParens(string $content): int
+    {
+        // Scan the entire autolink for the total number of parentheses.
+        // If there is a greater number of closing parentheses than opening ones,
+        // we don’t consider ANY of the last characters as part of the autolink,
+        // in order to facilitate including an autolink inside a parenthesis.
+        \preg_match_all('/[()]/', $content, $matches);
+
+        $charCount = ['(' => 0, ')' => 0];
+        foreach ($matches[0] as $char) {
+            $charCount[$char]++;
+        }
+
+        return $charCount[')'] - $charCount['('];
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Delimiter/Processor/EmphasisDelimiterProcessor.php

@@ -0,0 +1,119 @@
+<?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\Extension\CommonMark\Delimiter\Processor;
+
+use League\CommonMark\Delimiter\DelimiterInterface;
+use League\CommonMark\Delimiter\Processor\CacheableDelimiterProcessorInterface;
+use League\CommonMark\Extension\CommonMark\Node\Inline\Emphasis;
+use League\CommonMark\Extension\CommonMark\Node\Inline\Strong;
+use League\CommonMark\Node\Inline\AbstractStringContainer;
+use League\Config\ConfigurationAwareInterface;
+use League\Config\ConfigurationInterface;
+
+final class EmphasisDelimiterProcessor implements CacheableDelimiterProcessorInterface, ConfigurationAwareInterface
+{
+    /** @psalm-readonly */
+    private string $char;
+
+    /** @psalm-readonly-allow-private-mutation */
+    private ConfigurationInterface $config;
+
+    /**
+     * @param string $char The emphasis character to use (typically '*' or '_')
+     */
+    public function __construct(string $char)
+    {
+        $this->char = $char;
+    }
+
+    public function getOpeningCharacter(): string
+    {
+        return $this->char;
+    }
+
+    public function getClosingCharacter(): string
+    {
+        return $this->char;
+    }
+
+    public function getMinLength(): int
+    {
+        return 1;
+    }
+
+    public function getDelimiterUse(DelimiterInterface $opener, DelimiterInterface $closer): int
+    {
+        // "Multiple of 3" rule for internal delimiter runs
+        if (($opener->canClose() || $closer->canOpen()) && $closer->getOriginalLength() % 3 !== 0 && ($opener->getOriginalLength() + $closer->getOriginalLength()) % 3 === 0) {
+            return 0;
+        }
+
+        // Calculate actual number of delimiters used from this closer
+        if ($opener->getLength() >= 2 && $closer->getLength() >= 2) {
+            if ($this->config->get('commonmark/enable_strong')) {
+                return 2;
+            }
+
+            return 0;
+        }
+
+        if ($this->config->get('commonmark/enable_em')) {
+            return 1;
+        }
+
+        return 0;
+    }
+
+    public function process(AbstractStringContainer $opener, AbstractStringContainer $closer, int $delimiterUse): void
+    {
+        if ($delimiterUse === 1) {
+            $emphasis = new Emphasis($this->char);
+        } elseif ($delimiterUse === 2) {
+            $emphasis = new Strong($this->char . $this->char);
+        } else {
+            return;
+        }
+
+        $next = $opener->next();
+        while ($next !== null && $next !== $closer) {
+            $tmp = $next->next();
+            $emphasis->appendChild($next);
+            $next = $tmp;
+        }
+
+        $opener->insertAfter($emphasis);
+    }
+
+    public function setConfiguration(ConfigurationInterface $configuration): void
+    {
+        $this->config = $configuration;
+    }
+
+    public function getCacheKey(DelimiterInterface $closer): string
+    {
+        return \sprintf(
+            '%s-%s-%d-%d',
+            $this->char,
+            $closer->canOpen() ? 'canOpen' : 'cannotOpen',
+            $closer->getOriginalLength() % 3,
+            $closer->getLength(),
+        );
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Node/Block/ListBlock.php

@@ -0,0 +1,56 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\CommonMark\Node\Block;
+
+use League\CommonMark\Node\Block\AbstractBlock;
+use League\CommonMark\Node\Block\TightBlockInterface;
+
+class ListBlock extends AbstractBlock implements TightBlockInterface
+{
+    public const TYPE_BULLET  = 'bullet';
+    public const TYPE_ORDERED = 'ordered';
+
+    public const DELIM_PERIOD = 'period';
+    public const DELIM_PAREN  = 'paren';
+
+    protected bool $tight = false; // TODO Make lists tight by default in v3
+
+    /** @psalm-readonly */
+    protected ListData $listData;
+
+    public function __construct(ListData $listData)
+    {
+        parent::__construct();
+
+        $this->listData = $listData;
+    }
+
+    public function getListData(): ListData
+    {
+        return $this->listData;
+    }
+
+    public function isTight(): bool
+    {
+        return $this->tight;
+    }
+
+    public function setTight(bool $tight): void
+    {
+        $this->tight = $tight;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Parser/Block/FencedCodeParser.php

@@ -0,0 +1,84 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\CommonMark\Parser\Block;
+
+use League\CommonMark\Extension\CommonMark\Node\Block\FencedCode;
+use League\CommonMark\Parser\Block\AbstractBlockContinueParser;
+use League\CommonMark\Parser\Block\BlockContinue;
+use League\CommonMark\Parser\Block\BlockContinueParserInterface;
+use League\CommonMark\Parser\Cursor;
+use League\CommonMark\Util\ArrayCollection;
+use League\CommonMark\Util\RegexHelper;
+
+final class FencedCodeParser extends AbstractBlockContinueParser
+{
+    /** @psalm-readonly */
+    private FencedCode $block;
+
+    /** @var ArrayCollection<string> */
+    private ArrayCollection $strings;
+
+    public function __construct(int $fenceLength, string $fenceChar, int $fenceOffset)
+    {
+        $this->block   = new FencedCode($fenceLength, $fenceChar, $fenceOffset);
+        $this->strings = new ArrayCollection();
+    }
+
+    public function getBlock(): FencedCode
+    {
+        return $this->block;
+    }
+
+    public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
+    {
+        // Check for closing code fence
+        if (! $cursor->isIndented() && $cursor->getNextNonSpaceCharacter() === $this->block->getChar()) {
+            $match = RegexHelper::matchFirst('/^(?:`{3,}|~{3,})(?=[ \t]*$)/', $cursor->getLine(), $cursor->getNextNonSpacePosition());
+            if ($match !== null && \strlen($match[0]) >= $this->block->getLength()) {
+                // closing fence - we're at end of line, so we can finalize now
+                return BlockContinue::finished();
+            }
+        }
+
+        // Skip optional spaces of fence offset
+        // Optimization: don't attempt to match if we're at a non-space position
+        if ($cursor->getNextNonSpacePosition() > $cursor->getPosition()) {
+            $cursor->match('/^ {0,' . $this->block->getOffset() . '}/');
+        }
+
+        return BlockContinue::at($cursor);
+    }
+
+    public function addLine(string $line): void
+    {
+        $this->strings[] = $line;
+    }
+
+    public function closeBlock(): void
+    {
+        // first line becomes info string
+        $firstLine = $this->strings->first();
+        if ($firstLine === false) {
+            $firstLine = '';
+        }
+
+        $this->block->setInfo(RegexHelper::unescape(\trim($firstLine)));
+
+        if ($this->strings->count() === 1) {
+            $this->block->setLiteral('');
+        } else {
+            $this->block->setLiteral(\implode("\n", $this->strings->slice(1)) . "\n");
+        }
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Parser/Block/IndentedCodeParser.php

@@ -0,0 +1,76 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\CommonMark\Parser\Block;
+
+use League\CommonMark\Extension\CommonMark\Node\Block\IndentedCode;
+use League\CommonMark\Parser\Block\AbstractBlockContinueParser;
+use League\CommonMark\Parser\Block\BlockContinue;
+use League\CommonMark\Parser\Block\BlockContinueParserInterface;
+use League\CommonMark\Parser\Cursor;
+use League\CommonMark\Util\ArrayCollection;
+
+final class IndentedCodeParser extends AbstractBlockContinueParser
+{
+    /** @psalm-readonly */
+    private IndentedCode $block;
+
+    /** @var ArrayCollection<string> */
+    private ArrayCollection $strings;
+
+    public function __construct()
+    {
+        $this->block   = new IndentedCode();
+        $this->strings = new ArrayCollection();
+    }
+
+    public function getBlock(): IndentedCode
+    {
+        return $this->block;
+    }
+
+    public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
+    {
+        if ($cursor->isIndented()) {
+            $cursor->advanceBy(Cursor::INDENT_LEVEL, true);
+
+            return BlockContinue::at($cursor);
+        }
+
+        if ($cursor->isBlank()) {
+            $cursor->advanceToNextNonSpaceOrTab();
+
+            return BlockContinue::at($cursor);
+        }
+
+        return BlockContinue::none();
+    }
+
+    public function addLine(string $line): void
+    {
+        $this->strings[] = $line;
+    }
+
+    public function closeBlock(): void
+    {
+        $lines = $this->strings->toArray();
+
+        // Note that indented code block cannot be empty, so $lines will always have at least one non-empty element
+        while (\preg_match('/^[ \t]*$/', \end($lines))) { // @phpstan-ignore-line
+            \array_pop($lines);
+        }
+
+        $this->block->setLiteral(\implode("\n", $lines) . "\n");
+        $this->block->setEndLine($this->block->getStartLine() + \count($lines) - 1);
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Parser/Block/ListBlockParser.php

@@ -0,0 +1,93 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\CommonMark\Parser\Block;
+
+use League\CommonMark\Extension\CommonMark\Node\Block\ListBlock;
+use League\CommonMark\Extension\CommonMark\Node\Block\ListData;
+use League\CommonMark\Extension\CommonMark\Node\Block\ListItem;
+use League\CommonMark\Node\Block\AbstractBlock;
+use League\CommonMark\Parser\Block\AbstractBlockContinueParser;
+use League\CommonMark\Parser\Block\BlockContinue;
+use League\CommonMark\Parser\Block\BlockContinueParserInterface;
+use League\CommonMark\Parser\Cursor;
+
+final class ListBlockParser extends AbstractBlockContinueParser
+{
+    /** @psalm-readonly */
+    private ListBlock $block;
+
+    public function __construct(ListData $listData)
+    {
+        $this->block = new ListBlock($listData);
+    }
+
+    public function getBlock(): ListBlock
+    {
+        return $this->block;
+    }
+
+    public function isContainer(): bool
+    {
+        return true;
+    }
+
+    public function canContain(AbstractBlock $childBlock): bool
+    {
+        return $childBlock instanceof ListItem;
+    }
+
+    public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
+    {
+        // List blocks themselves don't have any markers, only list items. So try to stay in the list.
+        // If there is a block start other than list item, canContain makes sure that this list is closed.
+        return BlockContinue::at($cursor);
+    }
+
+    public function closeBlock(): void
+    {
+        $item = $this->block->firstChild();
+        while ($item instanceof AbstractBlock) {
+            // check for non-final list item ending with blank line:
+            if ($item->next() !== null && self::endsWithBlankLine($item)) {
+                $this->block->setTight(false);
+                break;
+            }
+
+            // recurse into children of list item, to see if there are spaces between any of them
+            $subitem = $item->firstChild();
+            while ($subitem instanceof AbstractBlock) {
+                if ($subitem->next() && self::endsWithBlankLine($subitem)) {
+                    $this->block->setTight(false);
+                    break 2;
+                }
+
+                $subitem = $subitem->next();
+            }
+
+            $item = $item->next();
+        }
+
+        $lastChild = $this->block->lastChild();
+        if ($lastChild instanceof AbstractBlock) {
+            $this->block->setEndLine($lastChild->getEndLine());
+        }
+    }
+
+    private static function endsWithBlankLine(AbstractBlock $block): bool
+    {
+        $next = $block->next();
+
+        return $next instanceof AbstractBlock && $block->getEndLine() !== $next->getStartLine() - 1;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Parser/Block/ListBlockStartParser.php

@@ -0,0 +1,154 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\CommonMark\Parser\Block;
+
+use League\CommonMark\Extension\CommonMark\Node\Block\ListBlock;
+use League\CommonMark\Extension\CommonMark\Node\Block\ListData;
+use League\CommonMark\Parser\Block\BlockStart;
+use League\CommonMark\Parser\Block\BlockStartParserInterface;
+use League\CommonMark\Parser\Cursor;
+use League\CommonMark\Parser\MarkdownParserStateInterface;
+use League\CommonMark\Util\RegexHelper;
+use League\Config\ConfigurationAwareInterface;
+use League\Config\ConfigurationInterface;
+
+final class ListBlockStartParser implements BlockStartParserInterface, ConfigurationAwareInterface
+{
+    /** @psalm-readonly-allow-private-mutation */
+    private ?ConfigurationInterface $config = null;
+
+    /**
+     * @psalm-var non-empty-string|null
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private ?string $listMarkerRegex = null;
+
+    public function setConfiguration(ConfigurationInterface $configuration): void
+    {
+        $this->config = $configuration;
+    }
+
+    public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart
+    {
+        if ($cursor->isIndented()) {
+            return BlockStart::none();
+        }
+
+        $listData = $this->parseList($cursor, $parserState->getParagraphContent() !== null);
+        if ($listData === null) {
+            return BlockStart::none();
+        }
+
+        $listItemParser = new ListItemParser($listData);
+
+        // prepend the list block if needed
+        $matched = $parserState->getLastMatchedBlockParser();
+        if (! ($matched instanceof ListBlockParser) || ! $listData->equals($matched->getBlock()->getListData())) {
+            $listBlockParser = new ListBlockParser($listData);
+            // We start out with assuming a list is tight. If we find a blank line, we set it to loose later.
+            // TODO for 3.0: Just make them tight by default in the block so we can remove this call
+            $listBlockParser->getBlock()->setTight(true);
+
+            return BlockStart::of($listBlockParser, $listItemParser)->at($cursor);
+        }
+
+        return BlockStart::of($listItemParser)->at($cursor);
+    }
+
+    private function parseList(Cursor $cursor, bool $inParagraph): ?ListData
+    {
+        $indent = $cursor->getIndent();
+
+        $tmpCursor = clone $cursor;
+        $tmpCursor->advanceToNextNonSpaceOrTab();
+        $rest = $tmpCursor->getRemainder();
+
+        if (\preg_match($this->listMarkerRegex ?? $this->generateListMarkerRegex(), $rest) === 1) {
+            $data               = new ListData();
+            $data->markerOffset = $indent;
+            $data->type         = ListBlock::TYPE_BULLET;
+            $data->delimiter    = null;
+            $data->bulletChar   = $rest[0];
+            $markerLength       = 1;
+        } elseif (($matches = RegexHelper::matchFirst('/^(\d{1,9})([.)])/', $rest)) && (! $inParagraph || $matches[1] === '1')) {
+            $data               = new ListData();
+            $data->markerOffset = $indent;
+            $data->type         = ListBlock::TYPE_ORDERED;
+            $data->start        = (int) $matches[1];
+            $data->delimiter    = $matches[2] === '.' ? ListBlock::DELIM_PERIOD : ListBlock::DELIM_PAREN;
+            $data->bulletChar   = null;
+            $markerLength       = \strlen($matches[0]);
+        } else {
+            return null;
+        }
+
+        // Make sure we have spaces after
+        $nextChar = $tmpCursor->peek($markerLength);
+        if (! ($nextChar === null || $nextChar === "\t" || $nextChar === ' ')) {
+            return null;
+        }
+
+        // If it interrupts paragraph, make sure first line isn't blank
+        if ($inParagraph && ! RegexHelper::matchAt(RegexHelper::REGEX_NON_SPACE, $rest, $markerLength)) {
+            return null;
+        }
+
+        $cursor->advanceToNextNonSpaceOrTab(); // to start of marker
+        $cursor->advanceBy($markerLength, true); // to end of marker
+        $data->padding = self::calculateListMarkerPadding($cursor, $markerLength);
+
+        return $data;
+    }
+
+    private static function calculateListMarkerPadding(Cursor $cursor, int $markerLength): int
+    {
+        $start          = $cursor->saveState();
+        $spacesStartCol = $cursor->getColumn();
+
+        while ($cursor->getColumn() - $spacesStartCol < 5) {
+            if (! $cursor->advanceBySpaceOrTab()) {
+                break;
+            }
+        }
+
+        $blankItem         = $cursor->peek() === null;
+        $spacesAfterMarker = $cursor->getColumn() - $spacesStartCol;
+
+        if ($spacesAfterMarker >= 5 || $spacesAfterMarker < 1 || $blankItem) {
+            $cursor->restoreState($start);
+            $cursor->advanceBySpaceOrTab();
+
+            return $markerLength + 1;
+        }
+
+        return $markerLength + $spacesAfterMarker;
+    }
+
+    /**
+     * @psalm-return non-empty-string
+     */
+    private function generateListMarkerRegex(): string
+    {
+        // No configuration given - use the defaults
+        if ($this->config === null) {
+            return $this->listMarkerRegex = '/^[*+-]/';
+        }
+
+        $markers = $this->config->get('commonmark/unordered_list_markers');
+        \assert(\is_array($markers));
+
+        return $this->listMarkerRegex = '/^[' . \preg_quote(\implode('', $markers), '/') . ']/';
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Parser/Block/ListItemParser.php

@@ -0,0 +1,82 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\CommonMark\Parser\Block;
+
+use League\CommonMark\Extension\CommonMark\Node\Block\ListData;
+use League\CommonMark\Extension\CommonMark\Node\Block\ListItem;
+use League\CommonMark\Node\Block\AbstractBlock;
+use League\CommonMark\Parser\Block\AbstractBlockContinueParser;
+use League\CommonMark\Parser\Block\BlockContinue;
+use League\CommonMark\Parser\Block\BlockContinueParserInterface;
+use League\CommonMark\Parser\Cursor;
+
+final class ListItemParser extends AbstractBlockContinueParser
+{
+    /** @psalm-readonly */
+    private ListItem $block;
+
+    public function __construct(ListData $listData)
+    {
+        $this->block = new ListItem($listData);
+    }
+
+    public function getBlock(): ListItem
+    {
+        return $this->block;
+    }
+
+    public function isContainer(): bool
+    {
+        return true;
+    }
+
+    public function canContain(AbstractBlock $childBlock): bool
+    {
+        return ! $childBlock instanceof ListItem;
+    }
+
+    public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
+    {
+        if ($cursor->isBlank()) {
+            if ($this->block->firstChild() === null) {
+                // Blank line after empty list item
+                return BlockContinue::none();
+            }
+
+            $cursor->advanceToNextNonSpaceOrTab();
+
+            return BlockContinue::at($cursor);
+        }
+
+        $contentIndent = $this->block->getListData()->markerOffset + $this->getBlock()->getListData()->padding;
+        if ($cursor->getIndent() >= $contentIndent) {
+            $cursor->advanceBy($contentIndent, true);
+
+            return BlockContinue::at($cursor);
+        }
+
+        // Note: We'll hit this case for lazy continuation lines, they will get added later.
+        return BlockContinue::none();
+    }
+
+    public function closeBlock(): void
+    {
+        if (($lastChild = $this->block->lastChild()) instanceof AbstractBlock) {
+            $this->block->setEndLine($lastChild->getEndLine());
+        } else {
+            // Empty list item
+            $this->block->setEndLine($this->block->getStartLine());
+        }
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Parser/Inline/BacktickParser.php

@@ -0,0 +1,132 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\CommonMark\Parser\Inline;
+
+use League\CommonMark\Extension\CommonMark\Node\Inline\Code;
+use League\CommonMark\Node\Inline\Text;
+use League\CommonMark\Parser\Cursor;
+use League\CommonMark\Parser\Inline\InlineParserInterface;
+use League\CommonMark\Parser\Inline\InlineParserMatch;
+use League\CommonMark\Parser\InlineParserContext;
+
+final class BacktickParser implements InlineParserInterface
+{
+    /**
+     * Max bound for backtick code span delimiters.
+     *
+     * @see https://github.com/commonmark/cmark/commit/8ed5c9d
+     */
+    private const MAX_BACKTICKS = 1000;
+
+    /** @var \WeakReference<Cursor>|null */
+    private ?\WeakReference $lastCursor = null;
+    private bool $lastCursorScanned     = false;
+
+    /** @var array<int, int> backtick count => position of known ender */
+    private array $seenBackticks = [];
+
+    public function getMatchDefinition(): InlineParserMatch
+    {
+        return InlineParserMatch::regex('`+');
+    }
+
+    public function parse(InlineParserContext $inlineContext): bool
+    {
+        $ticks  = $inlineContext->getFullMatch();
+        $cursor = $inlineContext->getCursor();
+        $cursor->advanceBy($inlineContext->getFullMatchLength());
+
+        $currentPosition = $cursor->getPosition();
+        $previousState   = $cursor->saveState();
+
+        if ($this->findMatchingTicks(\strlen($ticks), $cursor)) {
+            $code = $cursor->getSubstring($currentPosition, $cursor->getPosition() - $currentPosition - \strlen($ticks));
+
+            $c = \preg_replace('/\n/m', ' ', $code) ?? '';
+
+            if (
+                $c !== '' &&
+                $c[0] === ' ' &&
+                \substr($c, -1, 1) === ' ' &&
+                \preg_match('/[^ ]/', $c)
+            ) {
+                $c = \substr($c, 1, -1);
+            }
+
+            $inlineContext->getContainer()->appendChild(new Code($c));
+
+            return true;
+        }
+
+        // If we got here, we didn't match a closing backtick sequence
+        $cursor->restoreState($previousState);
+        $inlineContext->getContainer()->appendChild(new Text($ticks));
+
+        return true;
+    }
+
+    /**
+     * Locates the matching closer for a backtick code span.
+     *
+     * Leverages some caching to avoid traversing the same cursor multiple times when
+     * we've already seen all the potential backtick closers.
+     *
+     * @see https://github.com/commonmark/cmark/commit/8ed5c9d
+     *
+     * @param int    $openTickLength Number of backticks in the opening sequence
+     * @param Cursor $cursor         Cursor to scan
+     *
+     * @return bool True if a matching closer was found, false otherwise
+     */
+    private function findMatchingTicks(int $openTickLength, Cursor $cursor): bool
+    {
+        // Reset the seenBackticks cache if this is a new cursor
+        if ($this->lastCursor === null || $this->lastCursor->get() !== $cursor) {
+            $this->seenBackticks     = [];
+            $this->lastCursor        = \WeakReference::create($cursor);
+            $this->lastCursorScanned = false;
+        }
+
+        if ($openTickLength > self::MAX_BACKTICKS) {
+            return false;
+        }
+
+        // Return if we already know there's no closer
+        if ($this->lastCursorScanned && isset($this->seenBackticks[$openTickLength]) && $this->seenBackticks[$openTickLength] <= $cursor->getPosition()) {
+            return false;
+        }
+
+        while ($ticks = $cursor->match('/`{1,' . self::MAX_BACKTICKS . '}/m')) {
+            $numTicks = \strlen($ticks);
+
+            // Did we find the closer?
+            if ($numTicks === $openTickLength) {
+                return true;
+            }
+
+            // Store position of closer
+            if ($numTicks <= self::MAX_BACKTICKS) {
+                $this->seenBackticks[$numTicks] = $cursor->getPosition() - $numTicks;
+            }
+        }
+
+        // Got through whole input without finding closer
+        $this->lastCursorScanned = true;
+
+        return false;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Parser/Inline/BangParser.php

@@ -0,0 +1,44 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\CommonMark\Parser\Inline;
+
+use League\CommonMark\Node\Inline\Text;
+use League\CommonMark\Parser\Inline\InlineParserInterface;
+use League\CommonMark\Parser\Inline\InlineParserMatch;
+use League\CommonMark\Parser\InlineParserContext;
+
+final class BangParser implements InlineParserInterface
+{
+    public function getMatchDefinition(): InlineParserMatch
+    {
+        return InlineParserMatch::string('![');
+    }
+
+    public function parse(InlineParserContext $inlineContext): bool
+    {
+        $cursor = $inlineContext->getCursor();
+        $cursor->advanceBy(2);
+
+        $node = new Text('![', ['delim' => true]);
+        $inlineContext->getContainer()->appendChild($node);
+
+        // Add entry to stack for this opener
+        $inlineContext->getDelimiterStack()->addBracket($node, $cursor->getPosition(), true);
+
+        return true;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Parser/Inline/CloseBracketParser.php

@@ -0,0 +1,214 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\CommonMark\Parser\Inline;
+
+use League\CommonMark\Delimiter\Bracket;
+use League\CommonMark\Environment\EnvironmentAwareInterface;
+use League\CommonMark\Environment\EnvironmentInterface;
+use League\CommonMark\Extension\CommonMark\Node\Inline\AbstractWebResource;
+use League\CommonMark\Extension\CommonMark\Node\Inline\Image;
+use League\CommonMark\Extension\CommonMark\Node\Inline\Link;
+use League\CommonMark\Extension\Mention\Mention;
+use League\CommonMark\Node\Inline\AdjacentTextMerger;
+use League\CommonMark\Node\Inline\Text;
+use League\CommonMark\Parser\Cursor;
+use League\CommonMark\Parser\Inline\InlineParserInterface;
+use League\CommonMark\Parser\Inline\InlineParserMatch;
+use League\CommonMark\Parser\InlineParserContext;
+use League\CommonMark\Reference\ReferenceInterface;
+use League\CommonMark\Reference\ReferenceMapInterface;
+use League\CommonMark\Util\LinkParserHelper;
+use League\CommonMark\Util\RegexHelper;
+
+final class CloseBracketParser implements InlineParserInterface, EnvironmentAwareInterface
+{
+    /** @psalm-readonly-allow-private-mutation */
+    private EnvironmentInterface $environment;
+
+    public function getMatchDefinition(): InlineParserMatch
+    {
+        return InlineParserMatch::string(']');
+    }
+
+    public function parse(InlineParserContext $inlineContext): bool
+    {
+        // Look through stack of delimiters for a [ or !
+        $opener = $inlineContext->getDelimiterStack()->getLastBracket();
+        if ($opener === null) {
+            return false;
+        }
+
+        if (! $opener->isImage() && ! $opener->isActive()) {
+            // no matched opener; remove from stack
+            $inlineContext->getDelimiterStack()->removeBracket();
+
+            return false;
+        }
+
+        $cursor = $inlineContext->getCursor();
+
+        $startPos      = $cursor->getPosition();
+        $previousState = $cursor->saveState();
+
+        $cursor->advanceBy(1);
+
+        // Check to see if we have a link/image
+
+        // Inline link?
+        if ($result = $this->tryParseInlineLinkAndTitle($cursor)) {
+            $link = $result;
+        } elseif ($link = $this->tryParseReference($cursor, $inlineContext->getReferenceMap(), $opener, $startPos)) {
+            $reference = $link;
+            $link      = ['url' => $link->getDestination(), 'title' => $link->getTitle()];
+        } else {
+            // No match; remove this opener from stack
+            $inlineContext->getDelimiterStack()->removeBracket();
+            $cursor->restoreState($previousState);
+
+            return false;
+        }
+
+        $inline = $this->createInline($link['url'], $link['title'], $opener->isImage(), $reference ?? null);
+        $opener->getNode()->replaceWith($inline);
+        while (($label = $inline->next()) !== null) {
+            // Is there a Mention or Link contained within this link?
+            // CommonMark does not allow nested links, so we'll restore the original text.
+            if ($label instanceof Mention) {
+                $label->replaceWith($replacement = new Text($label->getPrefix() . $label->getIdentifier()));
+                $inline->appendChild($replacement);
+            } elseif ($label instanceof Link) {
+                foreach ($label->children() as $child) {
+                    $label->insertBefore($child);
+                }
+
+                $label->detach();
+            } else {
+                $inline->appendChild($label);
+            }
+        }
+
+        // Process delimiters such as emphasis inside link/image
+        $delimiterStack = $inlineContext->getDelimiterStack();
+        $stackBottom    = $opener->getPosition();
+        $delimiterStack->processDelimiters($stackBottom, $this->environment->getDelimiterProcessors());
+        $delimiterStack->removeBracket();
+        $delimiterStack->removeAll($stackBottom);
+
+        // Merge any adjacent Text nodes together
+        AdjacentTextMerger::mergeChildNodes($inline);
+
+        // processEmphasis will remove this and later delimiters.
+        // Now, for a link, we also remove earlier link openers (no links in links)
+        if (! $opener->isImage()) {
+            $inlineContext->getDelimiterStack()->deactivateLinkOpeners();
+        }
+
+        return true;
+    }
+
+    public function setEnvironment(EnvironmentInterface $environment): void
+    {
+        $this->environment = $environment;
+    }
+
+    /**
+     * @return array<string, string>|null
+     */
+    private function tryParseInlineLinkAndTitle(Cursor $cursor): ?array
+    {
+        if ($cursor->getCurrentCharacter() !== '(') {
+            return null;
+        }
+
+        $previousState = $cursor->saveState();
+
+        $cursor->advanceBy(1);
+        $cursor->advanceToNextNonSpaceOrNewline();
+        if (($dest = LinkParserHelper::parseLinkDestination($cursor)) === null) {
+            $cursor->restoreState($previousState);
+
+            return null;
+        }
+
+        $cursor->advanceToNextNonSpaceOrNewline();
+        $previousCharacter = $cursor->peek(-1);
+        // We know from previous lines that we've advanced at least one space so far, so this next call should never be null
+        \assert(\is_string($previousCharacter));
+
+        $title = '';
+        // make sure there's a space before the title:
+        if (\preg_match(RegexHelper::REGEX_WHITESPACE_CHAR, $previousCharacter)) {
+            $title = LinkParserHelper::parseLinkTitle($cursor) ?? '';
+        }
+
+        $cursor->advanceToNextNonSpaceOrNewline();
+
+        if ($cursor->getCurrentCharacter() !== ')') {
+            $cursor->restoreState($previousState);
+
+            return null;
+        }
+
+        $cursor->advanceBy(1);
+
+        return ['url' => $dest, 'title' => $title];
+    }
+
+    private function tryParseReference(Cursor $cursor, ReferenceMapInterface $referenceMap, Bracket $opener, int $startPos): ?ReferenceInterface
+    {
+        $savePos     = $cursor->saveState();
+        $beforeLabel = $cursor->getPosition();
+        $n           = LinkParserHelper::parseLinkLabel($cursor);
+        if ($n > 2) {
+            $start  = $beforeLabel + 1;
+            $length = $n - 2;
+        } elseif (! $opener->hasNext()) {
+            // Empty or missing second label means to use the first label as the reference.
+            // The reference must not contain a bracket. If we know there's a bracket, we don't even bother checking it.
+            $start  = $opener->getPosition();
+            $length = $startPos - $start;
+        } else {
+            $cursor->restoreState($savePos);
+
+            return null;
+        }
+
+        $referenceLabel = $cursor->getSubstring($start, $length);
+
+        if ($n === 0) {
+            // If shortcut reference link, rewind before spaces we skipped
+            $cursor->restoreState($savePos);
+        }
+
+        return $referenceMap->get($referenceLabel);
+    }
+
+    private function createInline(string $url, string $title, bool $isImage, ?ReferenceInterface $reference = null): AbstractWebResource
+    {
+        if ($isImage) {
+            $inline = new Image($url, null, $title);
+        } else {
+            $inline = new Link($url, null, $title);
+        }
+
+        if ($reference) {
+            $inline->data->set('reference', $reference);
+        }
+
+        return $inline;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Parser/Inline/OpenBracketParser.php

@@ -0,0 +1,42 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\CommonMark\Parser\Inline;
+
+use League\CommonMark\Node\Inline\Text;
+use League\CommonMark\Parser\Inline\InlineParserInterface;
+use League\CommonMark\Parser\Inline\InlineParserMatch;
+use League\CommonMark\Parser\InlineParserContext;
+
+final class OpenBracketParser implements InlineParserInterface
+{
+    public function getMatchDefinition(): InlineParserMatch
+    {
+        return InlineParserMatch::string('[');
+    }
+
+    public function parse(InlineParserContext $inlineContext): bool
+    {
+        $inlineContext->getCursor()->advanceBy(1);
+        $node = new Text('[', ['delim' => true]);
+        $inlineContext->getContainer()->appendChild($node);
+
+        // Add entry to stack for this opener
+        $inlineContext->getDelimiterStack()->addBracket($node, $inlineContext->getCursor()->getPosition(), false);
+
+        return true;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/CommonMark/Renderer/Block/ListItemRenderer.php

@@ -0,0 +1,80 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\CommonMark\Renderer\Block;
+
+use League\CommonMark\Extension\CommonMark\Node\Block\ListItem;
+use League\CommonMark\Node\Block\AbstractBlock;
+use League\CommonMark\Node\Block\Paragraph;
+use League\CommonMark\Node\Block\TightBlockInterface;
+use League\CommonMark\Node\Node;
+use League\CommonMark\Renderer\ChildNodeRendererInterface;
+use League\CommonMark\Renderer\NodeRendererInterface;
+use League\CommonMark\Util\HtmlElement;
+use League\CommonMark\Xml\XmlNodeRendererInterface;
+
+final class ListItemRenderer implements NodeRendererInterface, XmlNodeRendererInterface
+{
+    /**
+     * @param ListItem $node
+     *
+     * {@inheritDoc}
+     *
+     * @psalm-suppress MoreSpecificImplementedParamType
+     */
+    public function render(Node $node, ChildNodeRendererInterface $childRenderer): \Stringable
+    {
+        ListItem::assertInstanceOf($node);
+
+        $contents = $childRenderer->renderNodes($node->children());
+
+        $inTightList = ($parent = $node->parent()) && $parent instanceof TightBlockInterface && $parent->isTight();
+
+        if ($this->needsBlockSeparator($node->firstChild(), $inTightList)) {
+            $contents = "\n" . $contents;
+        }
+
+        if ($this->needsBlockSeparator($node->lastChild(), $inTightList)) {
+            $contents .= "\n";
+        }
+
+        $attrs = $node->data->get('attributes');
+
+        return new HtmlElement('li', $attrs, $contents);
+    }
+
+    public function getXmlTagName(Node $node): string
+    {
+        return 'item';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getXmlAttributes(Node $node): array
+    {
+        return [];
+    }
+
+    private function needsBlockSeparator(?Node $child, bool $inTightList): bool
+    {
+        if ($child instanceof Paragraph && $inTightList) {
+            return false;
+        }
+
+        return $child instanceof AbstractBlock;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/SmartPunct/QuoteParser.php

@@ -0,0 +1,98 @@
+<?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 (http://bitly.com/commonmark-js)
+ *  - (c) John MacFarlane
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\SmartPunct;
+
+use League\CommonMark\Delimiter\Delimiter;
+use League\CommonMark\Parser\Inline\InlineParserInterface;
+use League\CommonMark\Parser\Inline\InlineParserMatch;
+use League\CommonMark\Parser\InlineParserContext;
+use League\CommonMark\Util\RegexHelper;
+
+final class QuoteParser implements InlineParserInterface
+{
+    /**
+     * @deprecated This constant is no longer used and will be removed in a future major release
+     */
+    public const DOUBLE_QUOTES = [Quote::DOUBLE_QUOTE, Quote::DOUBLE_QUOTE_OPENER, Quote::DOUBLE_QUOTE_CLOSER];
+
+    /**
+     * @deprecated This constant is no longer used and will be removed in a future major release
+     */
+    public const SINGLE_QUOTES = [Quote::SINGLE_QUOTE, Quote::SINGLE_QUOTE_OPENER, Quote::SINGLE_QUOTE_CLOSER];
+
+    public function getMatchDefinition(): InlineParserMatch
+    {
+        return InlineParserMatch::oneOf(Quote::SINGLE_QUOTE, Quote::DOUBLE_QUOTE);
+    }
+
+    /**
+     * Normalizes any quote characters found and manually adds them to the delimiter stack
+     */
+    public function parse(InlineParserContext $inlineContext): bool
+    {
+        $char   = $inlineContext->getFullMatch();
+        $cursor = $inlineContext->getCursor();
+        $index  = $cursor->getPosition();
+
+        $charBefore = $cursor->peek(-1);
+        if ($charBefore === null) {
+            $charBefore = "\n";
+        }
+
+        $cursor->advance();
+
+        $charAfter = $cursor->getCurrentCharacter();
+        if ($charAfter === null) {
+            $charAfter = "\n";
+        }
+
+        [$leftFlanking, $rightFlanking] = $this->determineFlanking($charBefore, $charAfter);
+        $canOpen                        = $leftFlanking && ! $rightFlanking;
+        $canClose                       = $rightFlanking;
+
+        $node = new Quote($char, ['delim' => true]);
+        $inlineContext->getContainer()->appendChild($node);
+
+        // Add entry to stack to this opener
+        $inlineContext->getDelimiterStack()->push(new Delimiter($char, 1, $node, $canOpen, $canClose, $index));
+
+        return true;
+    }
+
+    /**
+     * @return bool[]
+     */
+    private function determineFlanking(string $charBefore, string $charAfter): array
+    {
+        $afterIsWhitespace   = \preg_match('/\pZ|\s/u', $charAfter);
+        $afterIsPunctuation  = \preg_match(RegexHelper::REGEX_PUNCTUATION, $charAfter);
+        $beforeIsWhitespace  = \preg_match('/\pZ|\s/u', $charBefore);
+        $beforeIsPunctuation = \preg_match(RegexHelper::REGEX_PUNCTUATION, $charBefore);
+
+        $leftFlanking = ! $afterIsWhitespace &&
+            ! ($afterIsPunctuation &&
+                ! $beforeIsWhitespace &&
+                ! $beforeIsPunctuation);
+
+        $rightFlanking = ! $beforeIsWhitespace &&
+            ! ($beforeIsPunctuation &&
+                ! $afterIsWhitespace &&
+                ! $afterIsPunctuation);
+
+        return [$leftFlanking, $rightFlanking];
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/Strikethrough/StrikethroughDelimiterProcessor.php

@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com> and uAfrica.com (http://uafrica.com)
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\Strikethrough;
+
+use League\CommonMark\Delimiter\DelimiterInterface;
+use League\CommonMark\Delimiter\Processor\CacheableDelimiterProcessorInterface;
+use League\CommonMark\Node\Inline\AbstractStringContainer;
+
+final class StrikethroughDelimiterProcessor implements CacheableDelimiterProcessorInterface
+{
+    public function getOpeningCharacter(): string
+    {
+        return '~';
+    }
+
+    public function getClosingCharacter(): string
+    {
+        return '~';
+    }
+
+    public function getMinLength(): int
+    {
+        return 1;
+    }
+
+    public function getDelimiterUse(DelimiterInterface $opener, DelimiterInterface $closer): int
+    {
+        if ($opener->getLength() > 2 && $closer->getLength() > 2) {
+            return 0;
+        }
+
+        if ($opener->getLength() !== $closer->getLength()) {
+            return 0;
+        }
+
+        // $opener and $closer are the same length so we just return one of them
+        return $opener->getLength();
+    }
+
+    public function process(AbstractStringContainer $opener, AbstractStringContainer $closer, int $delimiterUse): void
+    {
+        $strikethrough = new Strikethrough(\str_repeat('~', $delimiterUse));
+
+        $tmp = $opener->next();
+        while ($tmp !== null && $tmp !== $closer) {
+            $next = $tmp->next();
+            $strikethrough->appendChild($tmp);
+            $tmp = $next;
+        }
+
+        $opener->insertAfter($strikethrough);
+    }
+
+    public function getCacheKey(DelimiterInterface $closer): string
+    {
+        return '~' . $closer->getLength();
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/Table/TableExtension.php

@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <martin.hason@gmail.com>
+ * (c) Webuni s.r.o. <info@webuni.cz>
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\Table;
+
+use League\CommonMark\Environment\EnvironmentBuilderInterface;
+use League\CommonMark\Extension\ConfigurableExtensionInterface;
+use League\CommonMark\Renderer\HtmlDecorator;
+use League\Config\ConfigurationBuilderInterface;
+use Nette\Schema\Expect;
+
+final class TableExtension implements ConfigurableExtensionInterface
+{
+    public function configureSchema(ConfigurationBuilderInterface $builder): void
+    {
+        $attributeArraySchema = Expect::arrayOf(
+            Expect::type('string|string[]|bool'), // attribute value(s)
+            'string' // attribute name
+        )->mergeDefaults(false);
+
+        $builder->addSchema('table', Expect::structure([
+            'wrap' => Expect::structure([
+                'enabled' => Expect::bool()->default(false),
+                'tag' => Expect::string()->default('div'),
+                'attributes' => Expect::arrayOf(Expect::string()),
+            ]),
+            'alignment_attributes' => Expect::structure([
+                'left' => (clone $attributeArraySchema)->default(['align' => 'left']),
+                'center' => (clone $attributeArraySchema)->default(['align' => 'center']),
+                'right' => (clone $attributeArraySchema)->default(['align' => 'right']),
+            ]),
+            'max_autocompleted_cells' => Expect::int()->min(0)->default(TableParser::DEFAULT_MAX_AUTOCOMPLETED_CELLS),
+        ]));
+    }
+
+    public function register(EnvironmentBuilderInterface $environment): void
+    {
+        $tableRenderer = new TableRenderer();
+        if ($environment->getConfiguration()->get('table/wrap/enabled')) {
+            $tableRenderer = new HtmlDecorator($tableRenderer, $environment->getConfiguration()->get('table/wrap/tag'), $environment->getConfiguration()->get('table/wrap/attributes'));
+        }
+
+        $environment
+            ->addBlockStartParser(new TableStartParser($environment->getConfiguration()->get('table/max_autocompleted_cells')))
+
+            ->addRenderer(Table::class, $tableRenderer)
+            ->addRenderer(TableSection::class, new TableSectionRenderer())
+            ->addRenderer(TableRow::class, new TableRowRenderer())
+            ->addRenderer(TableCell::class, new TableCellRenderer($environment->getConfiguration()->get('table/alignment_attributes')));
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/Table/TableParser.php

@@ -0,0 +1,212 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <martin.hason@gmail.com>
+ * (c) Webuni s.r.o. <info@webuni.cz>
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\Table;
+
+use League\CommonMark\Parser\Block\AbstractBlockContinueParser;
+use League\CommonMark\Parser\Block\BlockContinue;
+use League\CommonMark\Parser\Block\BlockContinueParserInterface;
+use League\CommonMark\Parser\Block\BlockContinueParserWithInlinesInterface;
+use League\CommonMark\Parser\Cursor;
+use League\CommonMark\Parser\InlineParserEngineInterface;
+use League\CommonMark\Util\ArrayCollection;
+
+final class TableParser extends AbstractBlockContinueParser implements BlockContinueParserWithInlinesInterface
+{
+    /**
+     * @internal
+     */
+    public const DEFAULT_MAX_AUTOCOMPLETED_CELLS = 10_000;
+
+    /** @psalm-readonly */
+    private Table $block;
+
+    /**
+     * @var ArrayCollection<string>
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private ArrayCollection $bodyLines;
+
+    /**
+     * @var array<int, string|null>
+     * @psalm-var array<int, TableCell::ALIGN_*|null>
+     * @phpstan-var array<int, TableCell::ALIGN_*|null>
+     *
+     * @psalm-readonly
+     */
+    private array $columns;
+
+    /**
+     * @var array<int, string>
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private array $headerCells;
+
+    /** @psalm-readonly-allow-private-mutation */
+    private bool $nextIsSeparatorLine = true;
+
+    private int $remainingAutocompletedCells;
+
+    /**
+     * @param array<int, string|null> $columns
+     * @param array<int, string>      $headerCells
+     *
+     * @psalm-param array<int, TableCell::ALIGN_*|null> $columns
+     *
+     * @phpstan-param array<int, TableCell::ALIGN_*|null> $columns
+     */
+    public function __construct(array $columns, array $headerCells, int $remainingAutocompletedCells = self::DEFAULT_MAX_AUTOCOMPLETED_CELLS)
+    {
+        $this->block                       = new Table();
+        $this->bodyLines                   = new ArrayCollection();
+        $this->columns                     = $columns;
+        $this->headerCells                 = $headerCells;
+        $this->remainingAutocompletedCells = $remainingAutocompletedCells;
+    }
+
+    public function canHaveLazyContinuationLines(): bool
+    {
+        return true;
+    }
+
+    public function getBlock(): Table
+    {
+        return $this->block;
+    }
+
+    public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
+    {
+        if (\strpos($cursor->getLine(), '|') === false) {
+            return BlockContinue::none();
+        }
+
+        return BlockContinue::at($cursor);
+    }
+
+    public function addLine(string $line): void
+    {
+        if ($this->nextIsSeparatorLine) {
+            $this->nextIsSeparatorLine = false;
+        } else {
+            $this->bodyLines[] = $line;
+        }
+    }
+
+    public function parseInlines(InlineParserEngineInterface $inlineParser): void
+    {
+        $headerColumns = \count($this->headerCells);
+
+        $head = new TableSection(TableSection::TYPE_HEAD);
+        $this->block->appendChild($head);
+
+        $headerRow = new TableRow();
+        $head->appendChild($headerRow);
+        for ($i = 0; $i < $headerColumns; $i++) {
+            $cell      = $this->headerCells[$i];
+            $tableCell = $this->parseCell($cell, $i, $inlineParser);
+            $tableCell->setType(TableCell::TYPE_HEADER);
+            $headerRow->appendChild($tableCell);
+        }
+
+        $body = null;
+        foreach ($this->bodyLines as $rowLine) {
+            $cells = self::split($rowLine);
+            $row   = new TableRow();
+
+            // Body can not have more columns than head
+            for ($i = 0; $i < $headerColumns; $i++) {
+                // It can have less columns though, in which case we'll autocomplete the empty ones (up to some limit)
+                if (! isset($cells[$i]) && $this->remainingAutocompletedCells-- <= 0) {
+                    // Too many cells were auto-completed, so we'll just stop here
+                    return;
+                }
+
+                $cell      = $cells[$i] ?? '';
+                $tableCell = $this->parseCell($cell, $i, $inlineParser);
+                $row->appendChild($tableCell);
+            }
+
+            if ($body === null) {
+                // It's valid to have a table without body. In that case, don't add an empty TableBody node.
+                $body = new TableSection();
+                $this->block->appendChild($body);
+            }
+
+            $body->appendChild($row);
+        }
+    }
+
+    private function parseCell(string $cell, int $column, InlineParserEngineInterface $inlineParser): TableCell
+    {
+        $tableCell = new TableCell(TableCell::TYPE_DATA, $this->columns[$column] ?? null);
+
+        if ($cell !== '') {
+            $inlineParser->parse(\trim($cell), $tableCell);
+        }
+
+        return $tableCell;
+    }
+
+    /**
+     * @internal
+     *
+     * @return array<int, string>
+     */
+    public static function split(string $line): array
+    {
+        $cursor = new Cursor(\trim($line));
+
+        if ($cursor->getCurrentCharacter() === '|') {
+            $cursor->advanceBy(1);
+        }
+
+        $cells = [];
+        $sb    = '';
+
+        while (! $cursor->isAtEnd()) {
+            switch ($c = $cursor->getCurrentCharacter()) {
+                case '\\':
+                    if ($cursor->peek() === '|') {
+                        // Pipe is special for table parsing. An escaped pipe doesn't result in a new cell, but is
+                        // passed down to inline parsing as an unescaped pipe. Note that that applies even for the `\|`
+                        // in an input like `\\|` - in other words, table parsing doesn't support escaping backslashes.
+                        $sb .= '|';
+                        $cursor->advanceBy(1);
+                    } else {
+                        // Preserve backslash before other characters or at end of line.
+                        $sb .= '\\';
+                    }
+
+                    break;
+                case '|':
+                    $cells[] = $sb;
+                    $sb      = '';
+                    break;
+                default:
+                    $sb .= $c;
+            }
+
+            $cursor->advanceBy(1);
+        }
+
+        if ($sb !== '') {
+            $cells[] = $sb;
+        }
+
+        return $cells;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Extension/Table/TableStartParser.php

@@ -0,0 +1,165 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <martin.hason@gmail.com>
+ * (c) Webuni s.r.o. <info@webuni.cz>
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\Table;
+
+use League\CommonMark\Parser\Block\BlockStart;
+use League\CommonMark\Parser\Block\BlockStartParserInterface;
+use League\CommonMark\Parser\Block\ParagraphParser;
+use League\CommonMark\Parser\Cursor;
+use League\CommonMark\Parser\MarkdownParserStateInterface;
+
+final class TableStartParser implements BlockStartParserInterface
+{
+    private int $maxAutocompletedCells;
+
+    public function __construct(int $maxAutocompletedCells = TableParser::DEFAULT_MAX_AUTOCOMPLETED_CELLS)
+    {
+        $this->maxAutocompletedCells = $maxAutocompletedCells;
+    }
+
+    public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart
+    {
+        $paragraph = $parserState->getParagraphContent();
+        if ($paragraph === null || \strpos($paragraph, '|') === false) {
+            return BlockStart::none();
+        }
+
+        $columns = self::parseSeparator($cursor);
+        if (\count($columns) === 0) {
+            return BlockStart::none();
+        }
+
+        $lastLineBreak = \strrpos($paragraph, "\n");
+        $lastLine      = $lastLineBreak === false ? $paragraph : \substr($paragraph, $lastLineBreak + 1);
+
+        $headerCells = TableParser::split($lastLine);
+        if (\count($headerCells) > \count($columns)) {
+            return BlockStart::none();
+        }
+
+        $cursor->advanceToEnd();
+
+        $parsers = [];
+
+        if ($lastLineBreak !== false) {
+            $p = new ParagraphParser();
+            $p->addLine(\substr($paragraph, 0, $lastLineBreak));
+            $parsers[] = $p;
+        }
+
+        $parsers[] = new TableParser($columns, $headerCells, $this->maxAutocompletedCells);
+
+        return BlockStart::of(...$parsers)
+            ->at($cursor)
+            ->replaceActiveBlockParser();
+    }
+
+    /**
+     * @return array<int, string|null>
+     *
+     * @psalm-return array<int, TableCell::ALIGN_*|null>
+     *
+     * @phpstan-return array<int, TableCell::ALIGN_*|null>
+     */
+    private static function parseSeparator(Cursor $cursor): array
+    {
+        $columns = [];
+        $pipes   = 0;
+        $valid   = false;
+
+        while (! $cursor->isAtEnd()) {
+            switch ($c = $cursor->getCurrentCharacter()) {
+                case '|':
+                    $cursor->advanceBy(1);
+                    $pipes++;
+                    if ($pipes > 1) {
+                        // More than one adjacent pipe not allowed
+                        return [];
+                    }
+
+                    // Need at least one pipe, even for a one-column table
+                    $valid = true;
+                    break;
+                case '-':
+                case ':':
+                    if ($pipes === 0 && \count($columns) > 0) {
+                        // Need a pipe after the first column (first column doesn't need to start with one)
+                        return [];
+                    }
+
+                    $left  = false;
+                    $right = false;
+                    if ($c === ':') {
+                        $left = true;
+                        $cursor->advanceBy(1);
+                    }
+
+                    if ($cursor->match('/^-+/') === null) {
+                        // Need at least one dash
+                        return [];
+                    }
+
+                    if ($cursor->getCurrentCharacter() === ':') {
+                        $right = true;
+                        $cursor->advanceBy(1);
+                    }
+
+                    $columns[] = self::getAlignment($left, $right);
+                    // Next, need another pipe
+                    $pipes = 0;
+                    break;
+                case ' ':
+                case "\t":
+                    // White space is allowed between pipes and columns
+                    $cursor->advanceToNextNonSpaceOrTab();
+                    break;
+                default:
+                    // Any other character is invalid
+                    return [];
+            }
+        }
+
+        if (! $valid) {
+            return [];
+        }
+
+        return $columns;
+    }
+
+    /**
+     * @psalm-return TableCell::ALIGN_*|null
+     *
+     * @phpstan-return TableCell::ALIGN_*|null
+     *
+     * @psalm-pure
+     */
+    private static function getAlignment(bool $left, bool $right): ?string
+    {
+        if ($left && $right) {
+            return TableCell::ALIGN_CENTER;
+        }
+
+        if ($left) {
+            return TableCell::ALIGN_LEFT;
+        }
+
+        if ($right) {
+            return TableCell::ALIGN_RIGHT;
+        }
+
+        return null;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Node/Block/Paragraph.php

@@ -0,0 +1,23 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Node\Block;
+
+class Paragraph extends AbstractBlock
+{
+    /** @internal */
+    public bool $onlyContainsLinkReferenceDefinitions = false;
+}

docker/streamline-src/vendor/league/commonmark/src/Normalizer/SlugNormalizer.php

@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Normalizer;
+
+use League\Config\ConfigurationAwareInterface;
+use League\Config\ConfigurationInterface;
+
+/**
+ * Creates URL-friendly strings based on the given string input
+ */
+final class SlugNormalizer implements TextNormalizerInterface, ConfigurationAwareInterface
+{
+    /** @psalm-allow-private-mutation */
+    private int $defaultMaxLength = 255;
+
+    public function setConfiguration(ConfigurationInterface $configuration): void
+    {
+        $this->defaultMaxLength = $configuration->get('slug_normalizer/max_length');
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * @psalm-immutable
+     */
+    public function normalize(string $text, array $context = []): string
+    {
+        // Add any requested prefix
+        $slug = ($context['prefix'] ?? '') . $text;
+        // Trim whitespace
+        $slug = \trim($slug);
+        // Convert to lowercase
+        $slug = \mb_strtolower($slug, 'UTF-8');
+        // Try replacing whitespace with a dash
+        $slug = \preg_replace('/\s+/u', '-', $slug) ?? $slug;
+        // Try removing characters other than letters, numbers, and marks.
+        $slug = \preg_replace('/[^\p{L}\p{Nd}\p{Nl}\p{M}-]+/u', '', $slug) ?? $slug;
+        // Trim to requested length if given
+        if ($length = $context['length'] ?? $this->defaultMaxLength) {
+            $slug = \mb_substr($slug, 0, $length, 'UTF-8');
+        }
+
+        // @phpstan-ignore-next-line Because it thinks mb_substr() returns false on PHP 7.4
+        return $slug;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Normalizer/TextNormalizer.php

@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\CommonMark\Normalizer;
+
+/***
+ * Normalize text input using the steps given by the CommonMark spec to normalize labels
+ *
+ * @see https://spec.commonmark.org/0.29/#matches
+ *
+ * @psalm-immutable
+ */
+final class TextNormalizer implements TextNormalizerInterface
+{
+    /**
+     * {@inheritDoc}
+     *
+     * @psalm-pure
+     */
+    public function normalize(string $text, array $context = []): string
+    {
+        // Collapse internal whitespace to single space and remove
+        // leading/trailing whitespace
+        $text = \preg_replace('/[ \t\r\n]+/', ' ', \trim($text));
+        \assert(\is_string($text));
+
+        // Is it strictly ASCII? If so, we can use strtolower() instead (faster)
+        if (\mb_check_encoding($text, 'ASCII')) {
+            return \strtolower($text);
+        }
+
+        return \mb_convert_case($text, \MB_CASE_FOLD, 'UTF-8');
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Parser/Block/DocumentBlockParser.php

@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Parser\Block;
+
+use League\CommonMark\Node\Block\AbstractBlock;
+use League\CommonMark\Node\Block\Document;
+use League\CommonMark\Node\Block\Paragraph;
+use League\CommonMark\Parser\Cursor;
+use League\CommonMark\Reference\ReferenceMapInterface;
+
+/**
+ * Parser implementation which ensures everything is added to the root-level Document
+ */
+final class DocumentBlockParser extends AbstractBlockContinueParser
+{
+    /** @psalm-readonly */
+    private Document $document;
+
+    public function __construct(ReferenceMapInterface $referenceMap)
+    {
+        $this->document = new Document($referenceMap);
+    }
+
+    public function getBlock(): Document
+    {
+        return $this->document;
+    }
+
+    public function isContainer(): bool
+    {
+        return true;
+    }
+
+    public function canContain(AbstractBlock $childBlock): bool
+    {
+        return true;
+    }
+
+    public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
+    {
+        return BlockContinue::at($cursor);
+    }
+
+    public function closeBlock(): void
+    {
+        $this->removeLinkReferenceDefinitions();
+    }
+
+    private function removeLinkReferenceDefinitions(): void
+    {
+        $emptyNodes = [];
+
+        $walker = $this->document->walker();
+        while ($event = $walker->next()) {
+            $node = $event->getNode();
+            // TODO for v3: It would be great if we could find an alternate way to identify such paragraphs.
+            // Unfortunately, we can't simply check for empty paragraphs here because inlines haven't been processed yet,
+            // meaning all paragraphs will appear blank here, and we don't have a way to check the status of the reference parser
+            // which is attached to the (already-closed) paragraph parser.
+            if ($event->isEntering() && $node instanceof Paragraph && $node->onlyContainsLinkReferenceDefinitions) {
+                $emptyNodes[] = $node;
+            }
+        }
+
+        foreach ($emptyNodes as $node) {
+            $node->detach();
+        }
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Parser/Block/ParagraphParser.php

@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Parser\Block;
+
+use League\CommonMark\Node\Block\Paragraph;
+use League\CommonMark\Parser\Cursor;
+use League\CommonMark\Parser\InlineParserEngineInterface;
+use League\CommonMark\Reference\ReferenceInterface;
+use League\CommonMark\Reference\ReferenceParser;
+
+final class ParagraphParser extends AbstractBlockContinueParser implements BlockContinueParserWithInlinesInterface
+{
+    /** @psalm-readonly */
+    private Paragraph $block;
+
+    /** @psalm-readonly */
+    private ReferenceParser $referenceParser;
+
+    public function __construct()
+    {
+        $this->block           = new Paragraph();
+        $this->referenceParser = new ReferenceParser();
+    }
+
+    public function canHaveLazyContinuationLines(): bool
+    {
+        return true;
+    }
+
+    public function getBlock(): Paragraph
+    {
+        return $this->block;
+    }
+
+    public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
+    {
+        if ($cursor->isBlank()) {
+            return BlockContinue::none();
+        }
+
+        return BlockContinue::at($cursor);
+    }
+
+    public function addLine(string $line): void
+    {
+        $this->referenceParser->parse($line);
+    }
+
+    public function closeBlock(): void
+    {
+        $this->block->onlyContainsLinkReferenceDefinitions = $this->referenceParser->hasReferences() && $this->referenceParser->getParagraphContent() === '';
+    }
+
+    public function parseInlines(InlineParserEngineInterface $inlineParser): void
+    {
+        $content = $this->getContentString();
+        if ($content !== '') {
+            $inlineParser->parse($content, $this->block);
+        }
+    }
+
+    public function getContentString(): string
+    {
+        return $this->referenceParser->getParagraphContent();
+    }
+
+    /**
+     * @return ReferenceInterface[]
+     */
+    public function getReferences(): iterable
+    {
+        return $this->referenceParser->getReferences();
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Parser/Cursor.php

@@ -0,0 +1,494 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Parser;
+
+use League\CommonMark\Exception\UnexpectedEncodingException;
+
+class Cursor
+{
+    public const INDENT_LEVEL = 4;
+
+    /** @psalm-readonly */
+    private string $line;
+
+    /** @psalm-readonly */
+    private int $length;
+
+    /**
+     * @var int
+     *
+     * It's possible for this to be 1 char past the end, meaning we've parsed all chars and have
+     * reached the end.  In this state, any character-returning method MUST return null.
+     */
+    private int $currentPosition = 0;
+
+    private int $column = 0;
+
+    private int $indent = 0;
+
+    private int $previousPosition = 0;
+
+    private ?int $nextNonSpaceCache = null;
+
+    private bool $partiallyConsumedTab = false;
+
+    /**
+     * @var int|false
+     *
+     * @psalm-readonly
+     */
+    private $lastTabPosition;
+
+    /** @psalm-readonly */
+    private bool $isMultibyte;
+
+    /** @var array<int, string> */
+    private array $charCache = [];
+
+    /**
+     * @param string $line The line being parsed (ASCII or UTF-8)
+     */
+    public function __construct(string $line)
+    {
+        if (! \mb_check_encoding($line, 'UTF-8')) {
+            throw new UnexpectedEncodingException('Unexpected encoding - UTF-8 or ASCII was expected');
+        }
+
+        $this->line            = $line;
+        $this->length          = \mb_strlen($line, 'UTF-8') ?: 0;
+        $this->isMultibyte     = $this->length !== \strlen($line);
+        $this->lastTabPosition = $this->isMultibyte ? \mb_strrpos($line, "\t", 0, 'UTF-8') : \strrpos($line, "\t");
+    }
+
+    /**
+     * Returns the position of the next character which is not a space (or tab)
+     */
+    public function getNextNonSpacePosition(): int
+    {
+        if ($this->nextNonSpaceCache !== null) {
+            return $this->nextNonSpaceCache;
+        }
+
+        if ($this->currentPosition >= $this->length) {
+            return $this->length;
+        }
+
+        $cols = $this->column;
+
+        for ($i = $this->currentPosition; $i < $this->length; $i++) {
+            // This if-else was copied out of getCharacter() for performance reasons
+            if ($this->isMultibyte) {
+                $c = $this->charCache[$i] ??= \mb_substr($this->line, $i, 1, 'UTF-8');
+            } else {
+                $c = $this->line[$i];
+            }
+
+            if ($c === ' ') {
+                $cols++;
+            } elseif ($c === "\t") {
+                $cols += 4 - ($cols % 4);
+            } else {
+                break;
+            }
+        }
+
+        $this->indent = $cols - $this->column;
+
+        return $this->nextNonSpaceCache = $i;
+    }
+
+    /**
+     * Returns the next character which isn't a space (or tab)
+     */
+    public function getNextNonSpaceCharacter(): ?string
+    {
+        $index = $this->getNextNonSpacePosition();
+        if ($index >= $this->length) {
+            return null;
+        }
+
+        if ($this->isMultibyte) {
+            return $this->charCache[$index] ??= \mb_substr($this->line, $index, 1, 'UTF-8');
+        }
+
+        return $this->line[$index];
+    }
+
+    /**
+     * Calculates the current indent (number of spaces after current position)
+     */
+    public function getIndent(): int
+    {
+        if ($this->nextNonSpaceCache === null) {
+            $this->getNextNonSpacePosition();
+        }
+
+        return $this->indent;
+    }
+
+    /**
+     * Whether the cursor is indented to INDENT_LEVEL
+     */
+    public function isIndented(): bool
+    {
+        if ($this->nextNonSpaceCache === null) {
+            $this->getNextNonSpacePosition();
+        }
+
+        return $this->indent >= self::INDENT_LEVEL;
+    }
+
+    public function getCharacter(?int $index = null): ?string
+    {
+        if ($index === null) {
+            $index = $this->currentPosition;
+        }
+
+        // Index out-of-bounds, or we're at the end
+        if ($index < 0 || $index >= $this->length) {
+            return null;
+        }
+
+        if ($this->isMultibyte) {
+            return $this->charCache[$index] ??= \mb_substr($this->line, $index, 1, 'UTF-8');
+        }
+
+        return $this->line[$index];
+    }
+
+    /**
+     * Slightly-optimized version of getCurrent(null)
+     */
+    public function getCurrentCharacter(): ?string
+    {
+        if ($this->currentPosition >= $this->length) {
+            return null;
+        }
+
+        if ($this->isMultibyte) {
+            return $this->charCache[$this->currentPosition] ??= \mb_substr($this->line, $this->currentPosition, 1, 'UTF-8');
+        }
+
+        return $this->line[$this->currentPosition];
+    }
+
+    /**
+     * Returns the next character (or null, if none) without advancing forwards
+     */
+    public function peek(int $offset = 1): ?string
+    {
+        return $this->getCharacter($this->currentPosition + $offset);
+    }
+
+    /**
+     * Whether the remainder is blank
+     */
+    public function isBlank(): bool
+    {
+        return $this->nextNonSpaceCache === $this->length || $this->getNextNonSpacePosition() === $this->length;
+    }
+
+    /**
+     * Move the cursor forwards
+     */
+    public function advance(): void
+    {
+        $this->advanceBy(1);
+    }
+
+    /**
+     * Move the cursor forwards
+     *
+     * @param int  $characters       Number of characters to advance by
+     * @param bool $advanceByColumns Whether to advance by columns instead of spaces
+     */
+    public function advanceBy(int $characters, bool $advanceByColumns = false): void
+    {
+        $this->previousPosition  = $this->currentPosition;
+        $this->nextNonSpaceCache = null;
+
+        if ($this->currentPosition >= $this->length || $characters === 0) {
+            return;
+        }
+
+        // Optimization to avoid tab handling logic if we have no tabs
+        if ($this->lastTabPosition === false || $this->currentPosition > $this->lastTabPosition) {
+            $length                     = \min($characters, $this->length - $this->currentPosition);
+            $this->partiallyConsumedTab = false;
+            $this->currentPosition     += $length;
+            $this->column              += $length;
+
+            return;
+        }
+
+        $nextFewChars = $this->isMultibyte ?
+            \mb_substr($this->line, $this->currentPosition, $characters, 'UTF-8') :
+            \substr($this->line, $this->currentPosition, $characters);
+
+        if ($characters === 1) {
+            $asArray = [$nextFewChars];
+        } elseif ($this->isMultibyte) {
+            /** @var string[] $asArray */
+            $asArray = \mb_str_split($nextFewChars, 1, 'UTF-8');
+        } else {
+            $asArray = \str_split($nextFewChars);
+        }
+
+        foreach ($asArray as $c) {
+            if ($c === "\t") {
+                $charsToTab = 4 - ($this->column % 4);
+                if ($advanceByColumns) {
+                    $this->partiallyConsumedTab = $charsToTab > $characters;
+                    $charsToAdvance             = $charsToTab > $characters ? $characters : $charsToTab;
+                    $this->column              += $charsToAdvance;
+                    $this->currentPosition     += $this->partiallyConsumedTab ? 0 : 1;
+                    $characters                -= $charsToAdvance;
+                } else {
+                    $this->partiallyConsumedTab = false;
+                    $this->column              += $charsToTab;
+                    $this->currentPosition++;
+                    $characters--;
+                }
+            } else {
+                $this->partiallyConsumedTab = false;
+                $this->currentPosition++;
+                $this->column++;
+                $characters--;
+            }
+
+            if ($characters <= 0) {
+                break;
+            }
+        }
+    }
+
+    /**
+     * Advances the cursor by a single space or tab, if present
+     */
+    public function advanceBySpaceOrTab(): bool
+    {
+        $character = $this->getCurrentCharacter();
+
+        if ($character === ' ' || $character === "\t") {
+            $this->advanceBy(1, true);
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Parse zero or more space/tab characters
+     *
+     * @return int Number of positions moved
+     */
+    public function advanceToNextNonSpaceOrTab(): int
+    {
+        $newPosition = $this->nextNonSpaceCache ?? $this->getNextNonSpacePosition();
+        if ($newPosition === $this->currentPosition) {
+            return 0;
+        }
+
+        $this->advanceBy($newPosition - $this->currentPosition);
+        $this->partiallyConsumedTab = false;
+
+        // We've just advanced to where that non-space is,
+        // so any subsequent calls to find the next one will
+        // always return the current position.
+        $this->nextNonSpaceCache = $this->currentPosition;
+        $this->indent            = 0;
+
+        return $this->currentPosition - $this->previousPosition;
+    }
+
+    /**
+     * Parse zero or more space characters, including at most one newline.
+     *
+     * Tab characters are not parsed with this function.
+     *
+     * @return int Number of positions moved
+     */
+    public function advanceToNextNonSpaceOrNewline(): int
+    {
+        $currentCharacter = $this->getCurrentCharacter();
+
+        // Optimization: Avoid the regex if we know there are no spaces or newlines
+        if ($currentCharacter !== ' ' && $currentCharacter !== "\n") {
+            $this->previousPosition = $this->currentPosition;
+
+            return 0;
+        }
+
+        $matches = [];
+        \preg_match('/^ *(?:\n *)?/', $this->getRemainder(), $matches, \PREG_OFFSET_CAPTURE);
+
+        // [0][0] contains the matched text
+        // [0][1] contains the index of that match
+        \assert(isset($matches[0]));
+        $increment = $matches[0][1] + \strlen($matches[0][0]);
+
+        $this->advanceBy($increment);
+
+        return $this->currentPosition - $this->previousPosition;
+    }
+
+    /**
+     * Move the position to the very end of the line
+     *
+     * @return int The number of characters moved
+     */
+    public function advanceToEnd(): int
+    {
+        $this->previousPosition  = $this->currentPosition;
+        $this->nextNonSpaceCache = null;
+
+        $this->currentPosition = $this->length;
+
+        return $this->currentPosition - $this->previousPosition;
+    }
+
+    public function getRemainder(): string
+    {
+        if ($this->currentPosition >= $this->length) {
+            return '';
+        }
+
+        $prefix   = '';
+        $position = $this->currentPosition;
+        if ($this->partiallyConsumedTab) {
+            $position++;
+            $charsToTab = 4 - ($this->column % 4);
+            $prefix     = \str_repeat(' ', $charsToTab);
+        }
+
+        $subString = $this->isMultibyte ?
+            \mb_substr($this->line, $position, null, 'UTF-8') :
+            \substr($this->line, $position);
+
+        return $prefix . $subString;
+    }
+
+    public function getLine(): string
+    {
+        return $this->line;
+    }
+
+    public function isAtEnd(): bool
+    {
+        return $this->currentPosition >= $this->length;
+    }
+
+    /**
+     * Try to match a regular expression
+     *
+     * Returns the matching text and advances to the end of that match
+     *
+     * @psalm-param non-empty-string $regex
+     */
+    public function match(string $regex): ?string
+    {
+        $subject = $this->getRemainder();
+
+        if (! \preg_match($regex, $subject, $matches, \PREG_OFFSET_CAPTURE)) {
+            return null;
+        }
+
+        // $matches[0][0] contains the matched text
+        // $matches[0][1] contains the index of that match
+
+        if ($this->isMultibyte) {
+            // PREG_OFFSET_CAPTURE always returns the byte offset, not the char offset, which is annoying
+            $offset      = \mb_strlen(\substr($subject, 0, $matches[0][1]), 'UTF-8');
+            $matchLength = \mb_strlen($matches[0][0], 'UTF-8');
+        } else {
+            $offset      = $matches[0][1];
+            $matchLength = \strlen($matches[0][0]);
+        }
+
+        // [0][0] contains the matched text
+        // [0][1] contains the index of that match
+        $this->advanceBy($offset + $matchLength);
+
+        return $matches[0][0];
+    }
+
+    /**
+     * Encapsulates the current state of this cursor in case you need to rollback later.
+     *
+     * WARNING: Do not parse or use the return value for ANYTHING except for
+     * passing it back into restoreState(), as the number of values and their
+     * contents may change in any future release without warning.
+     */
+    public function saveState(): CursorState
+    {
+        return new CursorState([
+            $this->currentPosition,
+            $this->previousPosition,
+            $this->nextNonSpaceCache,
+            $this->indent,
+            $this->column,
+            $this->partiallyConsumedTab,
+        ]);
+    }
+
+    /**
+     * Restore the cursor to a previous state.
+     *
+     * Pass in the value previously obtained by calling saveState().
+     */
+    public function restoreState(CursorState $state): void
+    {
+        [
+            $this->currentPosition,
+            $this->previousPosition,
+            $this->nextNonSpaceCache,
+            $this->indent,
+            $this->column,
+            $this->partiallyConsumedTab,
+        ] = $state->toArray();
+    }
+
+    public function getPosition(): int
+    {
+        return $this->currentPosition;
+    }
+
+    public function getPreviousText(): string
+    {
+        if ($this->isMultibyte) {
+            return \mb_substr($this->line, $this->previousPosition, $this->currentPosition - $this->previousPosition, 'UTF-8');
+        }
+
+        return \substr($this->line, $this->previousPosition, $this->currentPosition - $this->previousPosition);
+    }
+
+    public function getSubstring(int $start, ?int $length = null): string
+    {
+        if ($this->isMultibyte) {
+            return \mb_substr($this->line, $start, $length, 'UTF-8');
+        }
+
+        if ($length !== null) {
+            return \substr($this->line, $start, $length);
+        }
+
+        return \substr($this->line, $start);
+    }
+
+    public function getColumn(): int
+    {
+        return $this->column;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Parser/InlineParserContext.php

@@ -0,0 +1,120 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Parser;
+
+use League\CommonMark\Delimiter\DelimiterStack;
+use League\CommonMark\Node\Block\AbstractBlock;
+use League\CommonMark\Reference\ReferenceMapInterface;
+
+final class InlineParserContext
+{
+    /** @psalm-readonly */
+    private AbstractBlock $container;
+
+    /** @psalm-readonly */
+    private ReferenceMapInterface $referenceMap;
+
+    /** @psalm-readonly */
+    private Cursor $cursor;
+
+    /** @psalm-readonly */
+    private DelimiterStack $delimiterStack;
+
+    /**
+     * @var string[]
+     * @psalm-var non-empty-array<string>
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private array $matches;
+
+    public function __construct(Cursor $contents, AbstractBlock $container, ReferenceMapInterface $referenceMap, int $maxDelimitersPerLine = PHP_INT_MAX)
+    {
+        $this->referenceMap   = $referenceMap;
+        $this->container      = $container;
+        $this->cursor         = $contents;
+        $this->delimiterStack = new DelimiterStack($maxDelimitersPerLine);
+    }
+
+    public function getContainer(): AbstractBlock
+    {
+        return $this->container;
+    }
+
+    public function getReferenceMap(): ReferenceMapInterface
+    {
+        return $this->referenceMap;
+    }
+
+    public function getCursor(): Cursor
+    {
+        return $this->cursor;
+    }
+
+    public function getDelimiterStack(): DelimiterStack
+    {
+        return $this->delimiterStack;
+    }
+
+    /**
+     * @return string The full text that matched the InlineParserMatch definition
+     */
+    public function getFullMatch(): string
+    {
+        return $this->matches[0];
+    }
+
+    /**
+     * @return int The length of the full match (in characters, not bytes)
+     */
+    public function getFullMatchLength(): int
+    {
+        return \mb_strlen($this->matches[0], 'UTF-8');
+    }
+
+    /**
+     * @return string[] Similar to preg_match(), index 0 will contain the full match, and any other array elements will be captured sub-matches
+     *
+     * @psalm-return non-empty-array<string>
+     */
+    public function getMatches(): array
+    {
+        return $this->matches;
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getSubMatches(): array
+    {
+        return \array_slice($this->matches, 1);
+    }
+
+    /**
+     * @param string[] $matches
+     *
+     * @psalm-param non-empty-array<string> $matches
+     */
+    public function withMatches(array $matches): InlineParserContext
+    {
+        $ctx = clone $this;
+
+        $ctx->matches = $matches;
+
+        return $ctx;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Parser/InlineParserEngine.php

@@ -0,0 +1,177 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Parser;
+
+use League\CommonMark\Environment\EnvironmentInterface;
+use League\CommonMark\Node\Block\AbstractBlock;
+use League\CommonMark\Node\Inline\AdjacentTextMerger;
+use League\CommonMark\Node\Inline\Text;
+use League\CommonMark\Parser\Inline\InlineParserInterface;
+use League\CommonMark\Reference\ReferenceMapInterface;
+
+/**
+ * @internal
+ */
+final class InlineParserEngine implements InlineParserEngineInterface
+{
+    /** @psalm-readonly */
+    private EnvironmentInterface $environment;
+
+    /** @psalm-readonly */
+    private ReferenceMapInterface $referenceMap;
+
+    /**
+     * @var array<int, InlineParserInterface|string|bool>
+     * @psalm-var list<array{0: InlineParserInterface, 1: non-empty-string, 2: bool}>
+     * @phpstan-var array<int, array{0: InlineParserInterface, 1: non-empty-string, 2: bool}>
+     */
+    private array $parsers = [];
+
+    public function __construct(EnvironmentInterface $environment, ReferenceMapInterface $referenceMap)
+    {
+        $this->environment  = $environment;
+        $this->referenceMap = $referenceMap;
+
+        foreach ($environment->getInlineParsers() as $parser) {
+            \assert($parser instanceof InlineParserInterface);
+            $regex = $parser->getMatchDefinition()->getRegex();
+
+            $this->parsers[] = [$parser, $regex, \strlen($regex) !== \mb_strlen($regex, 'UTF-8')];
+        }
+    }
+
+    public function parse(string $contents, AbstractBlock $block): void
+    {
+        $contents = \trim($contents);
+        $cursor   = new Cursor($contents);
+
+        $inlineParserContext = new InlineParserContext($cursor, $block, $this->referenceMap, $this->environment->getConfiguration()->get('max_delimiters_per_line'));
+
+        // Have all parsers look at the line to determine what they might want to parse and what positions they exist at
+        foreach ($this->matchParsers($contents) as $matchPosition => $parsers) {
+            $currentPosition = $cursor->getPosition();
+            // We've already gone past this point
+            if ($currentPosition > $matchPosition) {
+                continue;
+            }
+
+            // We've skipped over some uninteresting text that should be added as a plain text node
+            if ($currentPosition < $matchPosition) {
+                $cursor->advanceBy($matchPosition - $currentPosition);
+                $this->addPlainText($cursor->getPreviousText(), $block);
+            }
+
+            // We're now at a potential start - see which of the current parsers can handle it
+            $parsed = false;
+            foreach ($parsers as [$parser, $matches]) {
+                \assert($parser instanceof InlineParserInterface);
+                if ($parser->parse($inlineParserContext->withMatches($matches))) {
+                    // A parser has successfully handled the text at the given position; don't consider any others at this position
+                    $parsed = true;
+                    break;
+                }
+            }
+
+            if ($parsed) {
+                continue;
+            }
+
+            // Despite potentially being interested, nothing actually parsed text here, so add the current character and continue onwards
+            $this->addPlainText((string) $cursor->getCurrentCharacter(), $block);
+            $cursor->advance();
+        }
+
+        // Add any remaining text that wasn't parsed
+        if (! $cursor->isAtEnd()) {
+            $this->addPlainText($cursor->getRemainder(), $block);
+        }
+
+        // Process any delimiters that were found
+        $delimiterStack = $inlineParserContext->getDelimiterStack();
+        $delimiterStack->processDelimiters(null, $this->environment->getDelimiterProcessors());
+        $delimiterStack->removeAll();
+
+        // Combine adjacent text notes into one
+        AdjacentTextMerger::mergeChildNodes($block);
+    }
+
+    private function addPlainText(string $text, AbstractBlock $container): void
+    {
+        $lastInline = $container->lastChild();
+        if ($lastInline instanceof Text && ! $lastInline->data->has('delim')) {
+            $lastInline->append($text);
+        } else {
+            $container->appendChild(new Text($text));
+        }
+    }
+
+    /**
+     * Given the current line, ask all the parsers which parts of the text they would be interested in parsing.
+     *
+     * The resulting array provides a list of character positions, which parsers are interested in trying to parse
+     * the text at those points, and (for convenience/optimization) what the matching text happened to be.
+     *
+     * @return array<array<int, InlineParserInterface|string>>
+     *
+     * @psalm-return array<int, list<array{0: InlineParserInterface, 1: non-empty-array<string>}>>
+     *
+     * @phpstan-return array<int, array<int, array{0: InlineParserInterface, 1: non-empty-array<string>}>>
+     */
+    private function matchParsers(string $contents): array
+    {
+        $contents    = \trim($contents);
+        $isMultibyte = ! \mb_check_encoding($contents, 'ASCII');
+
+        $ret = [];
+
+        foreach ($this->parsers as [$parser, $regex, $isRegexMultibyte]) {
+            if ($isMultibyte || $isRegexMultibyte) {
+                $regex .= 'u';
+            }
+
+            // See if the parser's InlineParserMatch regex matched against any part of the string
+            if (! \preg_match_all($regex, $contents, $matches, \PREG_OFFSET_CAPTURE | \PREG_SET_ORDER)) {
+                continue;
+            }
+
+            // For each part that matched...
+            foreach ($matches as $match) {
+                if ($isMultibyte) {
+                    // PREG_OFFSET_CAPTURE always returns the byte offset, not the char offset, which is annoying
+                    $offset = \mb_strlen(\substr($contents, 0, $match[0][1]), 'UTF-8');
+                } else {
+                    $offset = \intval($match[0][1]);
+                }
+
+                // Remove the offsets, keeping only the matched text
+                $m = \array_column($match, 0);
+
+                if ($m === []) {
+                    continue;
+                }
+
+                // Add this match to the list of character positions to stop at
+                $ret[$offset][] = [$parser, $m];
+            }
+        }
+
+        // Sort matches by position so we visit them in order
+        \ksort($ret);
+
+        return $ret;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Parser/MarkdownParser.php

@@ -0,0 +1,356 @@
+<?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 code based on commonmark-java (https://github.com/commonmark/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\Parser;
+
+use League\CommonMark\Environment\EnvironmentInterface;
+use League\CommonMark\Event\DocumentParsedEvent;
+use League\CommonMark\Event\DocumentPreParsedEvent;
+use League\CommonMark\Exception\CommonMarkException;
+use League\CommonMark\Input\MarkdownInput;
+use League\CommonMark\Node\Block\Document;
+use League\CommonMark\Node\Block\Paragraph;
+use League\CommonMark\Parser\Block\BlockContinueParserInterface;
+use League\CommonMark\Parser\Block\BlockContinueParserWithInlinesInterface;
+use League\CommonMark\Parser\Block\BlockStart;
+use League\CommonMark\Parser\Block\BlockStartParserInterface;
+use League\CommonMark\Parser\Block\DocumentBlockParser;
+use League\CommonMark\Parser\Block\ParagraphParser;
+use League\CommonMark\Reference\MemoryLimitedReferenceMap;
+use League\CommonMark\Reference\ReferenceInterface;
+use League\CommonMark\Reference\ReferenceMap;
+
+final class MarkdownParser implements MarkdownParserInterface
+{
+    /** @psalm-readonly */
+    private EnvironmentInterface $environment;
+
+    /** @psalm-readonly-allow-private-mutation */
+    private int $maxNestingLevel;
+
+    /** @psalm-readonly-allow-private-mutation */
+    private ReferenceMap $referenceMap;
+
+    /** @psalm-readonly-allow-private-mutation */
+    private int $lineNumber = 0;
+
+    /** @psalm-readonly-allow-private-mutation */
+    private Cursor $cursor;
+
+    /**
+     * @var array<int, BlockContinueParserInterface>
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private array $activeBlockParsers = [];
+
+    /**
+     * @var array<int, BlockContinueParserWithInlinesInterface>
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private array $closedBlockParsers = [];
+
+    public function __construct(EnvironmentInterface $environment)
+    {
+        $this->environment = $environment;
+    }
+
+    private function initialize(): void
+    {
+        $this->referenceMap       = new ReferenceMap();
+        $this->lineNumber         = 0;
+        $this->activeBlockParsers = [];
+        $this->closedBlockParsers = [];
+
+        $this->maxNestingLevel = $this->environment->getConfiguration()->get('max_nesting_level');
+    }
+
+    /**
+     * @throws CommonMarkException
+     */
+    public function parse(string $input): Document
+    {
+        $this->initialize();
+
+        $documentParser = new DocumentBlockParser($this->referenceMap);
+        $this->activateBlockParser($documentParser);
+
+        $preParsedEvent = new DocumentPreParsedEvent($documentParser->getBlock(), new MarkdownInput($input));
+        $this->environment->dispatch($preParsedEvent);
+        $markdownInput = $preParsedEvent->getMarkdown();
+
+        foreach ($markdownInput->getLines() as $lineNumber => $line) {
+            $this->lineNumber = $lineNumber;
+            $this->parseLine($line);
+        }
+
+        // finalizeAndProcess
+        $this->closeBlockParsers(\count($this->activeBlockParsers), $this->lineNumber);
+        $this->processInlines(\strlen($input));
+
+        $this->environment->dispatch(new DocumentParsedEvent($documentParser->getBlock()));
+
+        return $documentParser->getBlock();
+    }
+
+    /**
+     * Analyze a line of text and update the document appropriately. We parse markdown text by calling this on each
+     * line of input, then finalizing the document.
+     */
+    private function parseLine(string $line): void
+    {
+        // replace NUL characters for security
+        $line = \str_replace("\0", "\u{FFFD}", $line);
+
+        $this->cursor = new Cursor($line);
+
+        $matches = $this->parseBlockContinuation();
+        if ($matches === null) {
+            return;
+        }
+
+        $unmatchedBlocks = \count($this->activeBlockParsers) - $matches;
+        $blockParser     = $this->activeBlockParsers[$matches - 1];
+        $startedNewBlock = false;
+
+        // Unless last matched container is a code block, try new container starts,
+        // adding children to the last matched container:
+        $tryBlockStarts = $blockParser->getBlock() instanceof Paragraph || $blockParser->isContainer();
+        while ($tryBlockStarts) {
+            // this is a little performance optimization
+            if ($this->cursor->isBlank()) {
+                $this->cursor->advanceToEnd();
+                break;
+            }
+
+            if ($blockParser->getBlock()->getDepth() >= $this->maxNestingLevel) {
+                break;
+            }
+
+            $blockStart = $this->findBlockStart($blockParser);
+            if ($blockStart === null || $blockStart->isAborting()) {
+                $this->cursor->advanceToNextNonSpaceOrTab();
+                break;
+            }
+
+            if (($state = $blockStart->getCursorState()) !== null) {
+                $this->cursor->restoreState($state);
+            }
+
+            $startedNewBlock = true;
+
+            // We're starting a new block. If we have any previous blocks that need to be closed, we need to do it now.
+            if ($unmatchedBlocks > 0) {
+                $this->closeBlockParsers($unmatchedBlocks, $this->lineNumber - 1);
+                $unmatchedBlocks = 0;
+            }
+
+            $oldBlockLineStart = null;
+            if ($blockStart->isReplaceActiveBlockParser()) {
+                $oldBlockLineStart = $this->prepareActiveBlockParserForReplacement();
+            }
+
+            foreach ($blockStart->getBlockParsers() as $newBlockParser) {
+                $blockParser    = $this->addChild($newBlockParser, $oldBlockLineStart);
+                $tryBlockStarts = $newBlockParser->isContainer();
+            }
+        }
+
+        // What remains at the offset is a text line. Add the text to the appropriate block.
+
+        // First check for a lazy paragraph continuation:
+        if (! $startedNewBlock && ! $this->cursor->isBlank() && $this->getActiveBlockParser()->canHaveLazyContinuationLines()) {
+            $this->getActiveBlockParser()->addLine($this->cursor->getRemainder());
+        } else {
+            // finalize any blocks not matched
+            if ($unmatchedBlocks > 0) {
+                $this->closeBlockParsers($unmatchedBlocks, $this->lineNumber - 1);
+            }
+
+            if (! $blockParser->isContainer()) {
+                $this->getActiveBlockParser()->addLine($this->cursor->getRemainder());
+            } elseif (! $this->cursor->isBlank()) {
+                $this->addChild(new ParagraphParser());
+                $this->getActiveBlockParser()->addLine($this->cursor->getRemainder());
+            }
+        }
+    }
+
+    private function parseBlockContinuation(): ?int
+    {
+        // For each containing block, try to parse the associated line start.
+        // The document will always match, so we can skip the first block parser and start at 1 matches
+        $matches = 1;
+        for ($i = 1; $i < \count($this->activeBlockParsers); $i++) {
+            $blockParser   = $this->activeBlockParsers[$i];
+            $blockContinue = $blockParser->tryContinue(clone $this->cursor, $this->getActiveBlockParser());
+            if ($blockContinue === null) {
+                break;
+            }
+
+            if ($blockContinue->isFinalize()) {
+                $this->closeBlockParsers(\count($this->activeBlockParsers) - $i, $this->lineNumber);
+
+                return null;
+            }
+
+            if (($state = $blockContinue->getCursorState()) !== null) {
+                $this->cursor->restoreState($state);
+            }
+
+            $matches++;
+        }
+
+        return $matches;
+    }
+
+    private function findBlockStart(BlockContinueParserInterface $lastMatchedBlockParser): ?BlockStart
+    {
+        $matchedBlockParser = new MarkdownParserState($this->getActiveBlockParser(), $lastMatchedBlockParser);
+
+        foreach ($this->environment->getBlockStartParsers() as $blockStartParser) {
+            \assert($blockStartParser instanceof BlockStartParserInterface);
+            if (($result = $blockStartParser->tryStart(clone $this->cursor, $matchedBlockParser)) !== null) {
+                return $result;
+            }
+        }
+
+        return null;
+    }
+
+    private function closeBlockParsers(int $count, int $endLineNumber): void
+    {
+        for ($i = 0; $i < $count; $i++) {
+            $blockParser = $this->deactivateBlockParser();
+            $this->finalize($blockParser, $endLineNumber);
+
+            // phpcs:disable SlevomatCodingStandard.ControlStructures.EarlyExit.EarlyExitNotUsed
+            if ($blockParser instanceof BlockContinueParserWithInlinesInterface) {
+                // Remember for inline parsing
+                $this->closedBlockParsers[] = $blockParser;
+            }
+        }
+    }
+
+    /**
+     * Finalize a block. Close it and do any necessary postprocessing, e.g. creating string_content from strings,
+     * setting the 'tight' or 'loose' status of a list, and parsing the beginnings of paragraphs for reference
+     * definitions.
+     */
+    private function finalize(BlockContinueParserInterface $blockParser, int $endLineNumber): void
+    {
+        if ($blockParser instanceof ParagraphParser) {
+            $this->updateReferenceMap($blockParser->getReferences());
+        }
+
+        $blockParser->getBlock()->setEndLine($endLineNumber);
+        $blockParser->closeBlock();
+    }
+
+    /**
+     * Walk through a block & children recursively, parsing string content into inline content where appropriate.
+     */
+    private function processInlines(int $inputSize): void
+    {
+        $p = new InlineParserEngine($this->environment, new MemoryLimitedReferenceMap($this->referenceMap, $inputSize));
+
+        foreach ($this->closedBlockParsers as $blockParser) {
+            $blockParser->parseInlines($p);
+        }
+    }
+
+    /**
+     * Add block of type tag as a child of the tip. If the tip can't accept children, close and finalize it and try
+     * its parent, and so on til we find a block that can accept children.
+     */
+    private function addChild(BlockContinueParserInterface $blockParser, ?int $startLineNumber = null): BlockContinueParserInterface
+    {
+        $blockParser->getBlock()->setStartLine($startLineNumber ?? $this->lineNumber);
+
+        while (! $this->getActiveBlockParser()->canContain($blockParser->getBlock())) {
+            $this->closeBlockParsers(1, ($startLineNumber ?? $this->lineNumber) - 1);
+        }
+
+        $this->getActiveBlockParser()->getBlock()->appendChild($blockParser->getBlock());
+        $this->activateBlockParser($blockParser);
+
+        return $blockParser;
+    }
+
+    private function activateBlockParser(BlockContinueParserInterface $blockParser): void
+    {
+        $this->activeBlockParsers[] = $blockParser;
+    }
+
+    /**
+     * @throws ParserLogicException
+     */
+    private function deactivateBlockParser(): BlockContinueParserInterface
+    {
+        $popped = \array_pop($this->activeBlockParsers);
+        if ($popped === null) {
+            throw new ParserLogicException('The last block parser should not be deactivated');
+        }
+
+        return $popped;
+    }
+
+    /**
+     * @return int|null The line number where the old block started
+     */
+    private function prepareActiveBlockParserForReplacement(): ?int
+    {
+        // Note that we don't want to parse inlines or finalize this block, as it's getting replaced.
+        $old = $this->deactivateBlockParser();
+
+        if ($old instanceof ParagraphParser) {
+            $this->updateReferenceMap($old->getReferences());
+        }
+
+        $old->getBlock()->detach();
+
+        return $old->getBlock()->getStartLine();
+    }
+
+    /**
+     * @param ReferenceInterface[] $references
+     */
+    private function updateReferenceMap(iterable $references): void
+    {
+        foreach ($references as $reference) {
+            if (! $this->referenceMap->contains($reference->getLabel())) {
+                $this->referenceMap->add($reference);
+            }
+        }
+    }
+
+    /**
+     * @throws ParserLogicException
+     */
+    public function getActiveBlockParser(): BlockContinueParserInterface
+    {
+        $active = \end($this->activeBlockParsers);
+        if ($active === false) {
+            throw new ParserLogicException('No active block parsers are available');
+        }
+
+        return $active;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Reference/ReferenceMap.php

@@ -0,0 +1,85 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Reference;
+
+use League\CommonMark\Normalizer\TextNormalizer;
+
+/**
+ * A collection of references, indexed by label
+ */
+final class ReferenceMap implements ReferenceMapInterface
+{
+    /** @psalm-readonly */
+    private TextNormalizer $normalizer;
+
+    /**
+     * @var array<string, ReferenceInterface>
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private array $references = [];
+
+    public function __construct()
+    {
+        $this->normalizer = new TextNormalizer();
+    }
+
+    public function add(ReferenceInterface $reference): void
+    {
+        // Normalize the key
+        $key = $this->normalizer->normalize($reference->getLabel());
+        // Store the reference
+        $this->references[$key] = $reference;
+    }
+
+    public function contains(string $label): bool
+    {
+        if ($this->references === []) {
+            return false;
+        }
+
+        $label = $this->normalizer->normalize($label);
+
+        return isset($this->references[$label]);
+    }
+
+    public function get(string $label): ?ReferenceInterface
+    {
+        if ($this->references === []) {
+            return null;
+        }
+
+        $label = $this->normalizer->normalize($label);
+
+        return $this->references[$label] ?? null;
+    }
+
+    /**
+     * @return \Traversable<string, ReferenceInterface>
+     */
+    public function getIterator(): \Traversable
+    {
+        foreach ($this->references as $normalizedLabel => $reference) {
+            yield $normalizedLabel => $reference;
+        }
+    }
+
+    public function count(): int
+    {
+        return \count($this->references);
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Util/LinkParserHelper.php

@@ -0,0 +1,165 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Util;
+
+use League\CommonMark\Parser\Cursor;
+
+/**
+ * @psalm-immutable
+ */
+final class LinkParserHelper
+{
+    /**
+     * Attempt to parse link destination
+     *
+     * @return string|null The string, or null if no match
+     */
+    public static function parseLinkDestination(Cursor $cursor): ?string
+    {
+        if ($cursor->getCurrentCharacter() === '<') {
+            return self::parseDestinationBraces($cursor);
+        }
+
+        $destination = self::manuallyParseLinkDestination($cursor);
+        if ($destination === null) {
+            return null;
+        }
+
+        return UrlEncoder::unescapeAndEncode(
+            RegexHelper::unescape($destination)
+        );
+    }
+
+    public static function parseLinkLabel(Cursor $cursor): int
+    {
+        $match = $cursor->match('/^\[(?:[^\\\\\[\]]|\\\\.){0,1000}\]/');
+        if ($match === null) {
+            return 0;
+        }
+
+        $length = \mb_strlen($match, 'UTF-8');
+
+        if ($length > 1001) {
+            return 0;
+        }
+
+        return $length;
+    }
+
+    public static function parsePartialLinkLabel(Cursor $cursor): ?string
+    {
+        return $cursor->match('/^(?:[^\\\\\[\]]++|\\\\.?)*+/');
+    }
+
+    /**
+     * Attempt to parse link title (sans quotes)
+     *
+     * @return string|null The string, or null if no match
+     */
+    public static function parseLinkTitle(Cursor $cursor): ?string
+    {
+        if ($title = $cursor->match('/' . RegexHelper::PARTIAL_LINK_TITLE . '/')) {
+            // Chop off quotes from title and unescape
+            return RegexHelper::unescape(\substr($title, 1, -1));
+        }
+
+        return null;
+    }
+
+    public static function parsePartialLinkTitle(Cursor $cursor, string $endDelimiter): ?string
+    {
+        $endDelimiter = \preg_quote($endDelimiter, '/');
+        $regex        = \sprintf('/(%s|[^%s\x00])*(?:%s)?/', RegexHelper::PARTIAL_ESCAPED_CHAR, $endDelimiter, $endDelimiter);
+        if (($partialTitle = $cursor->match($regex)) === null) {
+            return null;
+        }
+
+        return RegexHelper::unescape($partialTitle);
+    }
+
+    private static function manuallyParseLinkDestination(Cursor $cursor): ?string
+    {
+        $remainder  = $cursor->getRemainder();
+        $openParens = 0;
+        $len        = \strlen($remainder);
+        for ($i = 0; $i < $len; $i++) {
+            $c = $remainder[$i];
+            if ($c === '\\' && $i + 1 < $len && RegexHelper::isEscapable($remainder[$i + 1])) {
+                $i++;
+            } elseif ($c === '(') {
+                $openParens++;
+                // Limit to 32 nested parens for pathological cases
+                if ($openParens > 32) {
+                    return null;
+                }
+            } elseif ($c === ')') {
+                if ($openParens < 1) {
+                    break;
+                }
+
+                $openParens--;
+            } elseif (\ord($c) <= 32 && RegexHelper::isWhitespace($c)) {
+                break;
+            }
+        }
+
+        if ($openParens !== 0) {
+            return null;
+        }
+
+        if ($i === 0 && (! isset($c) || $c !== ')')) {
+            return null;
+        }
+
+        $destination = \substr($remainder, 0, $i);
+        $cursor->advanceBy(\mb_strlen($destination, 'UTF-8'));
+
+        return $destination;
+    }
+
+    /** @var \WeakReference<Cursor>|null */
+    private static ?\WeakReference $lastCursor       = null;
+    private static bool $lastCursorLacksClosingBrace = false;
+
+    private static function parseDestinationBraces(Cursor $cursor): ?string
+    {
+        // Optimization: If we've previously parsed this cursor and returned `null`, we know
+        // that no closing brace exists, so we can skip the regex entirely. This helps avoid
+        // certain pathological cases where the regex engine can take a very long time to
+        // determine that no match exists.
+        if (self::$lastCursor !== null && self::$lastCursor->get() === $cursor) {
+            if (self::$lastCursorLacksClosingBrace) {
+                return null;
+            }
+        } else {
+            self::$lastCursor = \WeakReference::create($cursor);
+        }
+
+        if ($res = $cursor->match(RegexHelper::REGEX_LINK_DESTINATION_BRACES)) {
+            self::$lastCursorLacksClosingBrace = false;
+
+            // Chop off surrounding <..>:
+            return UrlEncoder::unescapeAndEncode(
+                RegexHelper::unescape(\substr($res, 1, -1))
+            );
+        }
+
+        self::$lastCursorLacksClosingBrace = true;
+
+        return null;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Util/RegexHelper.php

@@ -0,0 +1,243 @@
+<?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
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Util;
+
+use League\CommonMark\Exception\InvalidArgumentException;
+use League\CommonMark\Extension\CommonMark\Node\Block\HtmlBlock;
+
+/**
+ * Provides regular expressions and utilities for parsing Markdown
+ *
+ * All of the PARTIAL_ regex constants assume that they'll be used in case-insensitive searches
+ * All other complete regexes provided by this class (either via constants or methods) will have case-insensitivity enabled.
+ *
+ * @phpcs:disable Generic.Strings.UnnecessaryStringConcat.Found
+ *
+ * @psalm-immutable
+ */
+final class RegexHelper
+{
+    // Partial regular expressions (wrap with `/` on each side and add the case-insensitive `i` flag before use)
+    public const PARTIAL_ENTITY                = '&(?:#x[a-f0-9]{1,6}|#[0-9]{1,7}|[a-z][a-z0-9]{1,31});';
+    public const PARTIAL_ESCAPABLE             = '[!"#$%&\'()*+,.\/:;<=>?@[\\\\\]^_`{|}~-]';
+    public const PARTIAL_ESCAPED_CHAR          = '\\\\' . self::PARTIAL_ESCAPABLE;
+    public const PARTIAL_IN_DOUBLE_QUOTES      = '"(' . self::PARTIAL_ESCAPED_CHAR . '|[^"\x00])*"';
+    public const PARTIAL_IN_SINGLE_QUOTES      = '\'(' . self::PARTIAL_ESCAPED_CHAR . '|[^\'\x00])*\'';
+    public const PARTIAL_IN_PARENS             = '\\((' . self::PARTIAL_ESCAPED_CHAR . '|[^)\x00])*\\)';
+    public const PARTIAL_REG_CHAR              = '[^\\\\()\x00-\x20]';
+    public const PARTIAL_IN_PARENS_NOSP        = '\((' . self::PARTIAL_REG_CHAR . '|' . self::PARTIAL_ESCAPED_CHAR . '|\\\\)*\)';
+    public const PARTIAL_TAGNAME               = '[a-z][a-z0-9-]*';
+    public const PARTIAL_BLOCKTAGNAME          = '(?:address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h1|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|search|section|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)';
+    public const PARTIAL_ATTRIBUTENAME         = '[a-z_:][a-z0-9:._-]*';
+    public const PARTIAL_UNQUOTEDVALUE         = '[^"\'=<>`\x00-\x20]+';
+    public const PARTIAL_SINGLEQUOTEDVALUE     = '\'[^\']*\'';
+    public const PARTIAL_DOUBLEQUOTEDVALUE     = '"[^"]*"';
+    public const PARTIAL_ATTRIBUTEVALUE        = '(?:' . self::PARTIAL_UNQUOTEDVALUE . '|' . self::PARTIAL_SINGLEQUOTEDVALUE . '|' . self::PARTIAL_DOUBLEQUOTEDVALUE . ')';
+    public const PARTIAL_ATTRIBUTEVALUESPEC    = '(?:' . '\s*=' . '\s*' . self::PARTIAL_ATTRIBUTEVALUE . ')';
+    public const PARTIAL_ATTRIBUTE             = '(?:' . '\s+' . self::PARTIAL_ATTRIBUTENAME . self::PARTIAL_ATTRIBUTEVALUESPEC . '?)';
+    public const PARTIAL_OPENTAG               = '<' . self::PARTIAL_TAGNAME . self::PARTIAL_ATTRIBUTE . '*' . '\s*\/?>';
+    public const PARTIAL_CLOSETAG              = '<\/' . self::PARTIAL_TAGNAME . '\s*[>]';
+    public const PARTIAL_OPENBLOCKTAG          = '<' . self::PARTIAL_BLOCKTAGNAME . self::PARTIAL_ATTRIBUTE . '*' . '\s*\/?>';
+    public const PARTIAL_CLOSEBLOCKTAG         = '<\/' . self::PARTIAL_BLOCKTAGNAME . '\s*[>]';
+    public const PARTIAL_HTMLCOMMENT           = '<!-->|<!--->|<!--[\s\S]*?-->';
+    public const PARTIAL_PROCESSINGINSTRUCTION = '[<][?][\s\S]*?[?][>]';
+    public const PARTIAL_DECLARATION           = '<![A-Za-z]+' . '[^>]*>';
+    public const PARTIAL_CDATA                 = '<!\[CDATA\[[\s\S]*?]\]>';
+    public const PARTIAL_HTMLTAG               = '(?:' . self::PARTIAL_OPENTAG . '|' . self::PARTIAL_CLOSETAG . '|' . self::PARTIAL_HTMLCOMMENT . '|' .
+        self::PARTIAL_PROCESSINGINSTRUCTION . '|' . self::PARTIAL_DECLARATION . '|' . self::PARTIAL_CDATA . ')';
+    public const PARTIAL_HTMLBLOCKOPEN         = '<(?:' . self::PARTIAL_BLOCKTAGNAME . '(?:[\s\/>]|$)' . '|' .
+        '\/' . self::PARTIAL_BLOCKTAGNAME . '(?:[\s>]|$)' . '|' . '[?!])';
+    public const PARTIAL_LINK_TITLE            = '^(?:"(' . self::PARTIAL_ESCAPED_CHAR . '|[^"\x00])*+"' .
+        '|' . '\'(' . self::PARTIAL_ESCAPED_CHAR . '|[^\'\x00])*+\'' .
+        '|' . '\((' . self::PARTIAL_ESCAPED_CHAR . '|[^()\x00])*+\))';
+
+    public const REGEX_PUNCTUATION        = '/^[!"#$%&\'()*+,\-.\\/:;<=>?@\\[\\]\\\\^_`{|}~\p{P}\p{S}]/u';
+    public const REGEX_UNSAFE_PROTOCOL    = '/^javascript:|vbscript:|file:|data:/i';
+    public const REGEX_SAFE_DATA_PROTOCOL = '/^data:image\/(?:png|gif|jpeg|webp)/i';
+    public const REGEX_NON_SPACE          = '/[^ \t\f\v\r\n]/';
+
+    public const REGEX_WHITESPACE_CHAR         = '/^[ \t\n\x0b\x0c\x0d]/';
+    public const REGEX_UNICODE_WHITESPACE_CHAR = '/^\pZ|\s/u';
+    public const REGEX_THEMATIC_BREAK          = '/^(?:\*[ \t]*){3,}$|^(?:_[ \t]*){3,}$|^(?:-[ \t]*){3,}$/';
+    public const REGEX_LINK_DESTINATION_BRACES = '/^(?:<(?:[^<>\\n\\\\\\x00]|\\\\.)*>)/';
+
+    /**
+     * @psalm-pure
+     */
+    public static function isEscapable(string $character): bool
+    {
+        return \preg_match('/' . self::PARTIAL_ESCAPABLE . '/', $character) === 1;
+    }
+
+    public static function isWhitespace(string $character): bool
+    {
+        /** @psalm-suppress InvalidLiteralArgument */
+        return $character !== '' && \strpos(" \t\n\x0b\x0c\x0d", $character) !== false;
+    }
+
+    /**
+     * @psalm-pure
+     */
+    public static function isLetter(?string $character): bool
+    {
+        if ($character === null) {
+            return false;
+        }
+
+        return \preg_match('/[\pL]/u', $character) === 1;
+    }
+
+    /**
+     * Attempt to match a regex in string s at offset offset
+     *
+     * @psalm-param non-empty-string $regex
+     *
+     * @return int|null Index of match, or null
+     *
+     * @psalm-pure
+     */
+    public static function matchAt(string $regex, string $string, int $offset = 0): ?int
+    {
+        $matches = [];
+        $string  = \mb_substr($string, $offset, null, 'UTF-8');
+        if (! \preg_match($regex, $string, $matches, \PREG_OFFSET_CAPTURE)) {
+            return null;
+        }
+
+        // PREG_OFFSET_CAPTURE always returns the byte offset, not the char offset, which is annoying
+        $charPos = \mb_strlen(\mb_strcut($string, 0, $matches[0][1], 'UTF-8'), 'UTF-8');
+
+        return $offset + $charPos;
+    }
+
+    /**
+     * Functional wrapper around preg_match_all which only returns the first set of matches
+     *
+     * @psalm-param non-empty-string $pattern
+     *
+     * @return string[]|null
+     *
+     * @psalm-pure
+     */
+    public static function matchFirst(string $pattern, string $subject, int $offset = 0): ?array
+    {
+        if ($offset !== 0) {
+            $subject = \substr($subject, $offset);
+        }
+
+        \preg_match_all($pattern, $subject, $matches, \PREG_SET_ORDER);
+
+        if ($matches === []) {
+            return null;
+        }
+
+        return $matches[0] ?: null;
+    }
+
+    /**
+     * Replace backslash escapes with literal characters
+     *
+     * @psalm-pure
+     */
+    public static function unescape(string $string): string
+    {
+        $allEscapedChar = '/\\\\(' . self::PARTIAL_ESCAPABLE . ')/';
+
+        $escaped = \preg_replace($allEscapedChar, '$1', $string);
+        \assert(\is_string($escaped));
+
+        return \preg_replace_callback('/' . self::PARTIAL_ENTITY . '/i', static fn ($e) => Html5EntityDecoder::decode($e[0]), $escaped);
+    }
+
+    /**
+     * @internal
+     *
+     * @param int $type HTML block type
+     *
+     * @psalm-param HtmlBlock::TYPE_* $type
+     *
+     * @phpstan-param HtmlBlock::TYPE_* $type
+     *
+     * @psalm-return non-empty-string
+     *
+     * @throws InvalidArgumentException if an invalid type is given
+     *
+     * @psalm-pure
+     */
+    public static function getHtmlBlockOpenRegex(int $type): string
+    {
+        switch ($type) {
+            case HtmlBlock::TYPE_1_CODE_CONTAINER:
+                return '/^<(?:script|pre|textarea|style)(?:\s|>|$)/i';
+            case HtmlBlock::TYPE_2_COMMENT:
+                return '/^<!--/';
+            case HtmlBlock::TYPE_3:
+                return '/^<[?]/';
+            case HtmlBlock::TYPE_4:
+                return '/^<![A-Z]/i';
+            case HtmlBlock::TYPE_5_CDATA:
+                return '/^<!\[CDATA\[/i';
+            case HtmlBlock::TYPE_6_BLOCK_ELEMENT:
+                return '%^<[/]?(?:address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h[123456]|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)(?:\s|[/]?[>]|$)%i';
+            case HtmlBlock::TYPE_7_MISC_ELEMENT:
+                return '/^(?:' . self::PARTIAL_OPENTAG . '|' . self::PARTIAL_CLOSETAG . ')\\s*$/i';
+            default:
+                throw new InvalidArgumentException('Invalid HTML block type');
+        }
+    }
+
+    /**
+     * @internal
+     *
+     * @param int $type HTML block type
+     *
+     * @psalm-param HtmlBlock::TYPE_* $type
+     *
+     * @phpstan-param HtmlBlock::TYPE_* $type
+     *
+     * @psalm-return non-empty-string
+     *
+     * @throws InvalidArgumentException if an invalid type is given
+     *
+     * @psalm-pure
+     */
+    public static function getHtmlBlockCloseRegex(int $type): string
+    {
+        switch ($type) {
+            case HtmlBlock::TYPE_1_CODE_CONTAINER:
+                return '%<\/(?:script|pre|textarea|style)>%i';
+            case HtmlBlock::TYPE_2_COMMENT:
+                return '/-->/';
+            case HtmlBlock::TYPE_3:
+                return '/\?>/';
+            case HtmlBlock::TYPE_4:
+                return '/>/';
+            case HtmlBlock::TYPE_5_CDATA:
+                return '/\]\]>/';
+            default:
+                throw new InvalidArgumentException('Invalid HTML block type');
+        }
+    }
+
+    /**
+     * @psalm-pure
+     */
+    public static function isLinkPotentiallyUnsafe(string $url): bool
+    {
+        return \preg_match(self::REGEX_UNSAFE_PROTOCOL, $url) !== 0 && \preg_match(self::REGEX_SAFE_DATA_PROTOCOL, $url) === 0;
+    }
+}

docker/streamline-src/vendor/league/commonmark/src/Util/SpecReader.php

@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Util;
+
+use League\CommonMark\Exception\IOException;
+
+/**
+ * Reads in a CommonMark spec document and extracts the input/output examples for testing against them
+ */
+final class SpecReader
+{
+    private function __construct()
+    {
+    }
+
+    /**
+     * @return iterable<string, array{input: string, output: string, type: string, section: string, number: int}>
+     */
+    public static function read(string $data): iterable
+    {
+        // Normalize newlines for platform independence
+        $data = \preg_replace('/\r\n?/', "\n", $data);
+        \assert($data !== null);
+        $data = \preg_replace('/<!-- END TESTS -->.*$/', '', $data);
+        \assert($data !== null);
+        \preg_match_all('/^`{32} (example ?\w*)\n([\s\S]*?)^\.\n([\s\S]*?)^`{32}$|^#{1,6} *(.*)$/m', $data, $matches, PREG_SET_ORDER);
+
+        $currentSection = 'Example';
+        $exampleNumber  = 0;
+
+        foreach ($matches as $match) {
+            \assert(isset($match[1], $match[2], $match[3]));
+            if (isset($match[4])) {
+                $currentSection = $match[4];
+                continue;
+            }
+
+            yield \trim($currentSection . ' #' . $exampleNumber) => [
+                'input'   => \str_replace('→', "\t", $match[2]),
+                'output'  => \str_replace('→', "\t", $match[3]),
+                'type'    => $match[1],
+                'section' => $currentSection,
+                'number'  => $exampleNumber++,
+            ];
+        }
+    }
+
+    /**
+     * @return iterable<string, array{input: string, output: string, type: string, section: string, number: int}>
+     *
+     * @throws IOException if the file cannot be loaded
+     */
+    public static function readFile(string $filename): iterable
+    {
+        if (($data = \file_get_contents($filename)) === false) {
+            throw new IOException(\sprintf('Failed to load spec from %s', $filename));
+        }
+
+        return self::read($data);
+    }
+}