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vendor/league/commonmark/src/Extension/Table/Table.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <[email protected]>
+ * (c) Webuni s.r.o. <[email protected]>
+ * (c) Colin O'Dell <[email protected]>
+ *
+ * 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\Node\Block\AbstractBlock;
+
+final class Table extends AbstractBlock
+{
+}

vendor/league/commonmark/src/Extension/Table/TableCell.php

@@ -0,0 +1,99 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <[email protected]>
+ * (c) Webuni s.r.o. <[email protected]>
+ * (c) Colin O'Dell <[email protected]>
+ *
+ * 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\Node\Block\AbstractBlock;
+
+final class TableCell extends AbstractBlock
+{
+    public const TYPE_HEADER = 'header';
+    public const TYPE_DATA   = 'data';
+
+    public const ALIGN_LEFT   = 'left';
+    public const ALIGN_RIGHT  = 'right';
+    public const ALIGN_CENTER = 'center';
+
+    /**
+     * @psalm-var self::TYPE_*
+     * @phpstan-var self::TYPE_*
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private string $type = self::TYPE_DATA;
+
+    /**
+     * @psalm-var self::ALIGN_*|null
+     * @phpstan-var self::ALIGN_*|null
+     *
+     * @psalm-readonly-allow-private-mutation
+     */
+    private ?string $align = null;
+
+    /**
+     * @psalm-param self::TYPE_* $type
+     * @psalm-param self::ALIGN_*|null $align
+     *
+     * @phpstan-param self::TYPE_* $type
+     * @phpstan-param self::ALIGN_*|null $align
+     */
+    public function __construct(string $type = self::TYPE_DATA, ?string $align = null)
+    {
+        parent::__construct();
+
+        $this->type  = $type;
+        $this->align = $align;
+    }
+
+    /**
+     * @psalm-return self::TYPE_*
+     *
+     * @phpstan-return self::TYPE_*
+     */
+    public function getType(): string
+    {
+        return $this->type;
+    }
+
+    /**
+     * @psalm-param self::TYPE_* $type
+     *
+     * @phpstan-param self::TYPE_* $type
+     */
+    public function setType(string $type): void
+    {
+        $this->type = $type;
+    }
+
+    /**
+     * @psalm-return self::ALIGN_*|null
+     *
+     * @phpstan-return self::ALIGN_*|null
+     */
+    public function getAlign(): ?string
+    {
+        return $this->align;
+    }
+
+    /**
+     * @psalm-param self::ALIGN_*|null $align
+     *
+     * @phpstan-param self::ALIGN_*|null $align
+     */
+    public function setAlign(?string $align): void
+    {
+        $this->align = $align;
+    }
+}

vendor/league/commonmark/src/Extension/Table/TableCellRenderer.php

@@ -0,0 +1,89 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <[email protected]>
+ * (c) Webuni s.r.o. <[email protected]>
+ * (c) Colin O'Dell <[email protected]>
+ *
+ * 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\Extension\Attributes\Util\AttributesHelper;
+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 TableCellRenderer implements NodeRendererInterface, XmlNodeRendererInterface
+{
+    private const DEFAULT_ATTRIBUTES = [
+        TableCell::ALIGN_LEFT   => ['align' => 'left'],
+        TableCell::ALIGN_CENTER => ['align' => 'center'],
+        TableCell::ALIGN_RIGHT  => ['align' => 'right'],
+    ];
+
+    /** @var array<TableCell::ALIGN_*, array<string, string|string[]|bool>> */
+    private array $alignmentAttributes;
+
+    /**
+     * @param array<TableCell::ALIGN_*, array<string, string|string[]|bool>> $alignmentAttributes
+     */
+    public function __construct(array $alignmentAttributes = self::DEFAULT_ATTRIBUTES)
+    {
+        $this->alignmentAttributes = $alignmentAttributes;
+    }
+
+    /**
+     * @param TableCell $node
+     *
+     * {@inheritDoc}
+     *
+     * @psalm-suppress MoreSpecificImplementedParamType
+     */
+    public function render(Node $node, ChildNodeRendererInterface $childRenderer): \Stringable
+    {
+        TableCell::assertInstanceOf($node);
+
+        $attrs = $node->data->get('attributes');
+        if (($alignment = $node->getAlign()) !== null) {
+            $attrs = AttributesHelper::mergeAttributes($attrs, $this->alignmentAttributes[$alignment]);
+        }
+
+        $tag = $node->getType() === TableCell::TYPE_HEADER ? 'th' : 'td';
+
+        return new HtmlElement($tag, $attrs, $childRenderer->renderNodes($node->children()));
+    }
+
+    public function getXmlTagName(Node $node): string
+    {
+        return 'table_cell';
+    }
+
+    /**
+     * @param TableCell $node
+     *
+     * @return array<string, scalar>
+     *
+     * @psalm-suppress MoreSpecificImplementedParamType
+     */
+    public function getXmlAttributes(Node $node): array
+    {
+        TableCell::assertInstanceOf($node);
+
+        $ret = ['type' => $node->getType()];
+
+        if (($align = $node->getAlign()) !== null) {
+            $ret['align'] = $align;
+        }
+
+        return $ret;
+    }
+}

vendor/league/commonmark/src/Extension/Table/TableExtension.php

@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <[email protected]>
+ * (c) Webuni s.r.o. <[email protected]>
+ * (c) Colin O'Dell <[email protected]>
+ *
+ * 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']),
+            ]),
+        ]));
+    }
+
+    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())
+
+            ->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')));
+    }
+}

vendor/league/commonmark/src/Extension/Table/TableParser.php

@@ -0,0 +1,200 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <[email protected]>
+ * (c) Webuni s.r.o. <[email protected]>
+ * (c) Colin O'Dell <[email protected]>
+ *
+ * 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
+{
+    /** @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;
+
+    /**
+     * @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)
+    {
+        $this->block       = new Table();
+        $this->bodyLines   = new ArrayCollection();
+        $this->columns     = $columns;
+        $this->headerCells = $headerCells;
+    }
+
+    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++) {
+                $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
+    {
+        $tableCell = new TableCell();
+
+        if ($column < \count($this->columns)) {
+            $tableCell->setAlign($this->columns[$column]);
+        }
+
+        $inlineParser->parse(\trim($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;
+    }
+}

vendor/league/commonmark/src/Extension/Table/TableRenderer.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <[email protected]>
+ * (c) Webuni s.r.o. <[email protected]>
+ * (c) Colin O'Dell <[email protected]>
+ *
+ * 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\Node\Node;
+use League\CommonMark\Renderer\ChildNodeRendererInterface;
+use League\CommonMark\Renderer\NodeRendererInterface;
+use League\CommonMark\Util\HtmlElement;
+use League\CommonMark\Xml\XmlNodeRendererInterface;
+
+final class TableRenderer implements NodeRendererInterface, XmlNodeRendererInterface
+{
+    /**
+     * @param Table $node
+     *
+     * {@inheritDoc}
+     *
+     * @psalm-suppress MoreSpecificImplementedParamType
+     */
+    public function render(Node $node, ChildNodeRendererInterface $childRenderer): \Stringable
+    {
+        Table::assertInstanceOf($node);
+
+        $attrs = $node->data->get('attributes');
+
+        $separator = $childRenderer->getInnerSeparator();
+
+        $children = $childRenderer->renderNodes($node->children());
+
+        return new HtmlElement('table', $attrs, $separator . \trim($children) . $separator);
+    }
+
+    public function getXmlTagName(Node $node): string
+    {
+        return 'table';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getXmlAttributes(Node $node): array
+    {
+        return [];
+    }
+}

vendor/league/commonmark/src/Extension/Table/TableRow.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <[email protected]>
+ * (c) Webuni s.r.o. <[email protected]>
+ * (c) Colin O'Dell <[email protected]>
+ *
+ * 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\Node\Block\AbstractBlock;
+
+final class TableRow extends AbstractBlock
+{
+}

vendor/league/commonmark/src/Extension/Table/TableRowRenderer.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <[email protected]>
+ * (c) Webuni s.r.o. <[email protected]>
+ * (c) Colin O'Dell <[email protected]>
+ *
+ * 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\Node\Node;
+use League\CommonMark\Renderer\ChildNodeRendererInterface;
+use League\CommonMark\Renderer\NodeRendererInterface;
+use League\CommonMark\Util\HtmlElement;
+use League\CommonMark\Xml\XmlNodeRendererInterface;
+
+final class TableRowRenderer implements NodeRendererInterface, XmlNodeRendererInterface
+{
+    /**
+     * @param TableRow $node
+     *
+     * {@inheritDoc}
+     *
+     * @psalm-suppress MoreSpecificImplementedParamType
+     */
+    public function render(Node $node, ChildNodeRendererInterface $childRenderer): \Stringable
+    {
+        TableRow::assertInstanceOf($node);
+
+        $attrs = $node->data->get('attributes');
+
+        $separator = $childRenderer->getInnerSeparator();
+
+        return new HtmlElement('tr', $attrs, $separator . $childRenderer->renderNodes($node->children()) . $separator);
+    }
+
+    public function getXmlTagName(Node $node): string
+    {
+        return 'table_row';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getXmlAttributes(Node $node): array
+    {
+        return [];
+    }
+}

vendor/league/commonmark/src/Extension/Table/TableSection.php

@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <[email protected]>
+ * (c) Webuni s.r.o. <[email protected]>
+ * (c) Colin O'Dell <[email protected]>
+ *
+ * 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\Node\Block\AbstractBlock;
+
+final class TableSection extends AbstractBlock
+{
+    public const TYPE_HEAD = 'head';
+    public const TYPE_BODY = 'body';
+
+    /**
+     * @psalm-var self::TYPE_*
+     * @phpstan-var self::TYPE_*
+     *
+     * @psalm-readonly
+     */
+    private string $type;
+
+    /**
+     * @psalm-param self::TYPE_* $type
+     *
+     * @phpstan-param self::TYPE_* $type
+     */
+    public function __construct(string $type = self::TYPE_BODY)
+    {
+        parent::__construct();
+
+        $this->type = $type;
+    }
+
+    /**
+     * @psalm-return self::TYPE_*
+     *
+     * @phpstan-return self::TYPE_*
+     */
+    public function getType(): string
+    {
+        return $this->type;
+    }
+
+    public function isHead(): bool
+    {
+        return $this->type === self::TYPE_HEAD;
+    }
+
+    public function isBody(): bool
+    {
+        return $this->type === self::TYPE_BODY;
+    }
+}

vendor/league/commonmark/src/Extension/Table/TableSectionRenderer.php

@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <[email protected]>
+ * (c) Webuni s.r.o. <[email protected]>
+ * (c) Colin O'Dell <[email protected]>
+ *
+ * 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\Node\Node;
+use League\CommonMark\Renderer\ChildNodeRendererInterface;
+use League\CommonMark\Renderer\NodeRendererInterface;
+use League\CommonMark\Util\HtmlElement;
+use League\CommonMark\Xml\XmlNodeRendererInterface;
+
+final class TableSectionRenderer implements NodeRendererInterface, XmlNodeRendererInterface
+{
+    /**
+     * @param TableSection $node
+     *
+     * {@inheritDoc}
+     *
+     * @psalm-suppress MoreSpecificImplementedParamType
+     */
+    public function render(Node $node, ChildNodeRendererInterface $childRenderer)
+    {
+        TableSection::assertInstanceOf($node);
+
+        if (! $node->hasChildren()) {
+            return '';
+        }
+
+        $attrs = $node->data->get('attributes');
+
+        $separator = $childRenderer->getInnerSeparator();
+
+        $tag = $node->getType() === TableSection::TYPE_HEAD ? 'thead' : 'tbody';
+
+        return new HtmlElement($tag, $attrs, $separator . $childRenderer->renderNodes($node->children()) . $separator);
+    }
+
+    public function getXmlTagName(Node $node): string
+    {
+        return 'table_section';
+    }
+
+    /**
+     * @param TableSection $node
+     *
+     * @return array<string, scalar>
+     *
+     * @psalm-suppress MoreSpecificImplementedParamType
+     */
+    public function getXmlAttributes(Node $node): array
+    {
+        TableSection::assertInstanceOf($node);
+
+        return [
+            'type' => $node->getType(),
+        ];
+    }
+}

vendor/league/commonmark/src/Extension/Table/TableStartParser.php

@@ -0,0 +1,158 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This is part of the league/commonmark package.
+ *
+ * (c) Martin Hasoň <[email protected]>
+ * (c) Webuni s.r.o. <[email protected]>
+ * (c) Colin O'Dell <[email protected]>
+ *
+ * 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
+{
+    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();
+        }
+
+        $lines    = \explode("\n", $paragraph);
+        $lastLine = \array_pop($lines);
+
+        $headerCells = TableParser::split($lastLine);
+        if (\count($headerCells) > \count($columns)) {
+            return BlockStart::none();
+        }
+
+        $cursor->advanceToEnd();
+
+        $parsers = [];
+
+        if (\count($lines) > 0) {
+            $p = new ParagraphParser();
+            $p->addLine(\implode("\n", $lines));
+            $parsers[] = $p;
+        }
+
+        $parsers[] = new TableParser($columns, $headerCells);
+
+        return BlockStart::of(...$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;
+    }
+}