/**
* @param string $mediaType
* @return mixed
*/
protected function getElementParts($mediaType)
{
$label = trim($this->cursor->match('/^\\[(?:[^\\\\\\[\\]]|\\\\[\\[\\]]){0,750}\\]/'), '[]');
$url = trim(LinkParserHelper::parseLinkDestination($this->cursor), '()');
if ($label === null || $url === null) {
return $this->cancel();
}
return $this->getElement($mediaType, $label, $url);
}
/**
* Attempt to parse link title (sans quotes)
*
* @param Cursor $cursor
*
* @return null|string The string, or null if no match
*/
public static function parseLinkTitle(Cursor $cursor)
{
if ($title = $cursor->match(RegexHelper::getInstance()->getLinkTitleRegex())) {
// Chop off quotes from title and unescape
return RegexHelper::unescape(substr($title, 1, strlen($title) - 2));
}
}
public function parse(ContextInterface $context, Cursor $cursor)
{
$inlineParserContext = new InlineParserContext($cursor);
while (($character = $cursor->getCharacter()) !== null) {
if ($matchingParsers = $this->environment->getInlineParsersForCharacter($character)) {
foreach ($matchingParsers as $parser) {
if ($parser->parse($context, $inlineParserContext)) {
continue 2;
}
}
}
// We reach here if none of the parsers can handle the input
// Attempt to match multiple non-special characters at once
$text = $cursor->match($this->environment->getInlineParserCharacterRegex());
// This might fail if we're currently at a special character which wasn't parsed; if so, just add that character
if ($text === null) {
$cursor->advance();
$text = $character;
}
$lastInline = $inlineParserContext->getInlines()->last();
if ($lastInline instanceof Text && !isset($lastInline->data['delim'])) {
$lastInline->append($text);
} else {
$inlineParserContext->getInlines()->add(new Text($text));
}
}
foreach ($this->environment->getInlineProcessors() as $inlineProcessor) {
$inlineProcessor->processInlines($inlineParserContext->getInlines(), $inlineParserContext->getDelimiterStack());
}
return $inlineParserContext->getInlines();
}
/**
* @param ContextInterface $context
* @param Cursor $cursor
*
* @return bool
*/
public function parse(ContextInterface $context, Cursor $cursor)
{
$previousState = $cursor->saveState();
$indent = $cursor->advanceToFirstNonSpace();
$fence = $cursor->match('/^`{3,}(?!.*`)|^~{3,}(?!.*~)/');
if (!$fence) {
$cursor->restoreState($previousState);
return false;
}
// fenced code block
$fenceLength = strlen($fence);
$context->addBlock(new FencedCode($fenceLength, $fence[0], $indent));
return true;
}
public static function parse(Cursor $cursor)
{
if (null === self::$regexp) {
$regex = RegexHelper::getInstance();
self::$regexp = sprintf('/^\\s*([.#][_a-z0-9-]+|%s%s)(?<!})\\s*/i', $regex->getPartialRegex(RegexHelper::ATTRIBUTENAME), $regex->getPartialRegex(RegexHelper::ATTRIBUTEVALUESPEC));
}
$state = $cursor->saveState();
$cursor->advanceToFirstNonSpace();
if ('{' !== $cursor->getCharacter()) {
$cursor->restoreState($state);
return [];
}
$cursor->advanceBy(1);
if (':' === $cursor->getCharacter()) {
$cursor->advanceBy(1);
}
$attributes = [];
while ($attribute = trim($cursor->match(self::$regexp))) {
if ('#' === $attribute[0]) {
$attributes['id'] = substr($attribute, 1);
continue;
}
if ('.' === $attribute[0]) {
$attributes['class'][] = substr($attribute, 1);
continue;
}
list($name, $value) = explode('=', $attribute, 2);
$first = $value[0];
$last = substr($value, -1);
if (('"' === $first && '"' === $last || "'" === $first && "'" === $last) && strlen($value) > 1) {
$value = substr($value, 1, -1);
}
if ('class' === strtolower(trim($name))) {
foreach (array_filter(explode(' ', trim($value))) as $class) {
$attributes['class'][] = $class;
}
} else {
$attributes[trim($name)] = trim($value);
}
}
if (0 === $cursor->advanceWhileMatches('}')) {
$cursor->restoreState($state);
return [];
}
if (isset($attributes['class'])) {
$attributes['class'] = implode(' ', $attributes['class']);
}
return $attributes;
}
/**
* @param ContextInterface $context
* @param Cursor $cursor
*
* @return bool
*/
public function parse(ContextInterface $context, Cursor $cursor)
{
if ($cursor->isIndented()) {
return false;
}
$previousState = $cursor->saveState();
$cursor->advanceToFirstNonSpace();
$fence = $cursor->match('/^\\[TOC\\]/');
if (is_null($fence)) {
$cursor->restoreState($previousState);
return false;
}
$context->addBlock(new TableOfContents());
return true;
}
/**
* @param ContextInterface $context
* @param Cursor $cursor
*/
public function handleRemainingContents(ContextInterface $context, Cursor $cursor)
{
$context->getTip()->addLine($cursor->getRemainder());
// Check for end condition
if ($this->type >= self::TYPE_1_CODE_CONTAINER && $this->type <= self::TYPE_5_CDATA) {
if ($cursor->match(RegexHelper::getHtmlBlockCloseRegex($this->type)) !== null) {
$this->finalize($context, $context->getLineNumber());
}
}
}
