Viewing file:  AttributesBlockContinueParser.php (3.18 KB) -rwxrwxr-x
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<?php
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
* (c) 2015 Martin HasoĊ <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\Parser;
use League\CommonMark\Extension\Attributes\Node\Attributes;
use League\CommonMark\Extension\Attributes\Util\AttributesHelper;
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 AttributesBlockContinueParser extends AbstractBlockContinueParser
{
private Attributes $block;
private AbstractBlock $container;
private bool $hasSubsequentLine = false;
/**
* @param array<string, mixed> $attributes The attributes identified by the block start parser
* @param AbstractBlock $container The node we were in when these attributes were discovered
*/
public function __construct(array $attributes, AbstractBlock $container)
{
$this->block = new Attributes($attributes);
$this->container = $container;
}
public function getBlock(): AbstractBlock
{
return $this->block;
}
public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
{
$this->hasSubsequentLine = true;
$cursor->advanceToNextNonSpaceOrTab();
// Does this next line also have attributes?
$attributes = AttributesHelper::parseAttributes($cursor);
$cursor->advanceToNextNonSpaceOrTab();
if ($cursor->isAtEnd() && $attributes !== []) {
// It does! Merge them into what we parsed previously
$this->block->setAttributes(AttributesHelper::mergeAttributes(
$this->block->getAttributes(),
$attributes
));
// Tell the core parser we've consumed everything
return BlockContinue::at($cursor);
}
// Okay, so there are no attributes on the next line
// If this next line is blank we know we can't target the next node, it must be a previous one
if ($cursor->isBlank()) {
$this->block->setTarget(Attributes::TARGET_PREVIOUS);
}
return BlockContinue::none();
}
public function closeBlock(): void
{
// Attributes appearing at the very end of the document won't have any last lines to check
// so we can make that determination here
if (! $this->hasSubsequentLine) {
$this->block->setTarget(Attributes::TARGET_PREVIOUS);
}
// We know this block must apply to the "previous" block, but that could be a sibling or parent,
// so we check the containing block to see which one it might be.
if ($this->block->getTarget() === Attributes::TARGET_PREVIOUS && $this->block->parent() === $this->container) {
$this->block->setTarget(Attributes::TARGET_PARENT);
}
}
}
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