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; } if ($cursor->getFirstNonSpaceCharacter() !== '<') { return false; } $savedState = $cursor->saveState(); $cursor->advanceToFirstNonSpace(); $line = $cursor->getRemainder(); for ($blockType = 1; $blockType <= 7; $blockType++) { $match = RegexHelper::matchAt(RegexHelper::getHtmlBlockOpenRegex($blockType), $line); if ($match !== null && ($blockType < 7 || !$context->getContainer() instanceof Paragraph)) { $cursor->restoreState($savedState); $context->addBlock(new HtmlBlock($blockType)); $context->setBlocksParsed(true); return true; } } $cursor->restoreState($savedState); return false; }
/** * @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; }
/** * @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 Cursor $cursor * @param int $markerLength * * @return int */ private function calculateListMarkerPadding(Cursor $cursor, $markerLength) { $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; }
/** * @return bool */ protected function cancel() { $this->cursor->restoreState($this->originalState); return false; }
/** * @param Cursor $cursor * @param int $markerLength * * @return int */ private function calculateListMarkerPadding(Cursor $cursor, $markerLength) { $start = $cursor->saveState(); $spacesStartCol = $cursor->getColumn(); $spacesStartOffset = $cursor->getPosition(); do { $cursor->advanceBy(1, true); $nextChar = $cursor->getCharacter(); } while ($cursor->getColumn() - $spacesStartCol < 5 && ($nextChar === ' ' || $nextChar === "\t")); $blankItem = $cursor->peek() === null; $spacesAfterMarker = $cursor->getColumn() - $spacesStartCol; if ($spacesAfterMarker >= 5 || $spacesAfterMarker < 1 || $blankItem) { $cursor->restoreState($start); if ($cursor->peek() === ' ') { $cursor->advanceBy(1, true); } return $markerLength + 1; } else { return $markerLength + $spacesAfterMarker; } }