Advances the cursor while the given character is matched
public advanceWhileMatches ( string $character, integer | null $maximumCharactersToAdvance = null ) : integer | ||
$character | string | Character to match |
$maximumCharactersToAdvance | integer | null | Maximum number of characters to advance before giving up |
리턴 | integer | Number of positions moved (0 if unsuccessful) |
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; }
public function matchesNextLine(Cursor $cursor) { if ($this->length === -1) { if ($cursor->isBlank()) { $this->lastLineBlank = true; } return false; } // Skip optional spaces of fence offset $cursor->advanceWhileMatches(' ', $this->offset); return true; }