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HintParser.php
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HintParser.php
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<?php
namespace Ueberdosis\CommonMark;
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\Block\BlockContinueParserWithInlinesInterface;
use League\CommonMark\Parser\Cursor;
use League\CommonMark\Parser\InlineParserEngineInterface;
use League\CommonMark\Util\ArrayCollection;
use League\CommonMark\Util\RegexHelper;
class HintParser extends AbstractBlockContinueParser implements BlockContinueParserWithInlinesInterface
{
/** @psalm-readonly */
private Hint $block;
/** @var ArrayCollection<string> */
private ArrayCollection $strings;
public function __construct()
{
$this->block = new Hint();
$this->strings = new ArrayCollection();
}
public function getBlock(): Hint
{
return $this->block;
}
public function isContainer(): bool
{
return false;
}
public function canContain(AbstractBlock $childBlock): bool
{
return false;
}
public function canHaveLazyContinuationLines(): bool
{
return true;
}
public function parseInlines(InlineParserEngineInterface $inlineParser): void
{
$inlineParser->parse($this->block->getLiteral(), $this->block);
}
public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
{
if ($cursor->getLine() === ':::') {
return BlockContinue::finished();
}
$cursor->advanceToNextNonSpaceOrTab();
$cursor->advanceBySpaceOrTab();
return BlockContinue::at($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 = '';
}
$this->block->setHeader(RegexHelper::unescape(\trim($firstLine)));
if ($this->strings->count() === 1) {
$this->block->setLiteral('');
} else {
$this->block->setLiteral(\implode("\n", $this->strings->slice(1)) . "\n");
}
}
}