/**
* Formats the given SPARQL string.
* Note that there have to be spaces before and after brackets and dots.
*
* @param string $sparql
* @return string
*/
public function format($sparql)
{
$this->formattedParts = array();
$this->indentationLevel = 0;
$this->replacements = array();
$regexHelper = new RegexHelper();
$sparql = $regexHelper->escapeSequences($sparql, $this->replacements);
foreach ($this->split($sparql) as $part) {
if (!empty($this->formattedParts)) {
$this->before($part);
}
$this->indentation($part);
$this->append($part);
$this->after($part);
}
$this->trimEnd();
$this->formattedParts[] = "\n";
return strtr(implode($this->formattedParts), $this->replacements);
}
/**
* Extracts distinct values from the array that don't contain whitespace.
*
* @param array $array The array to extract the values from
* @return \Puzzlout\Framework\Helpers\ArrayExtractionHelper The extrator instance.
*/
public function ExtractDistinctValues($array)
{
foreach ($array as $key => $value) {
$valueIsArray = is_array($value);
$valueIsAlreadyExtracted = in_array($value, $this->List);
$keyIsExtracted = in_array($key, $this->List);
if (!$valueIsArray && !$valueIsAlreadyExtracted && !RegexHelper::Init($value)->StringContainsWhiteSpace()) {
array_push($this->List, $value);
}
if (!$keyIsExtracted && is_string($key) && !RegexHelper::Init($key)->StringContainsWhiteSpace()) {
array_push($this->List, $key);
}
if ($valueIsArray) {
$this->ExtractDistinctValues($value);
}
}
return $this;
}
/**
* @desc Returns the regex matching the requested url form
* @param int $protocol REGEX_MULTIPLICITY_OPTION for the protocol sub-regex
* @param int $user REGEX_MULTIPLICITY_OPTION for the user:password@ sub-regex
* @param int $domain REGEX_MULTIPLICITY_OPTION for the domain sub-regex
* @param int $folders REGEX_MULTIPLICITY_OPTION for the folders sub-regex
* @param int $file REGEX_MULTIPLICITY_OPTION for the file sub-regex
* @param int $args REGEX_MULTIPLICITY_OPTION for the arguments sub-regex
* @param int $anchor REGEX_MULTIPLICITY_OPTION for the anchor sub-regex
* @param bool $forbid_js true if you want to forbid javascript uses in urls
* @return the regex matching the requested url form
* @see RegexHelper::REGEX_MULTIPLICITY_OPTIONNAL
* @see REGEX_MULTIPLICITY_NEEDED
* @see RegexHelper::REGEX_MULTIPLICITY_AT_LEAST_ONE
* @see RegexHelper::REGEX_MULTIPLICITY_ALL
* @see RegexHelper::REGEX_MULTIPLICITY_NOT_USED
*/
public static function get_wellformness_regex($protocol = RegexHelper::REGEX_MULTIPLICITY_OPTIONNAL, $user = RegexHelper::REGEX_MULTIPLICITY_OPTIONNAL, $domain = RegexHelper::REGEX_MULTIPLICITY_OPTIONNAL, $folders = RegexHelper::REGEX_MULTIPLICITY_OPTIONNAL, $file = RegexHelper::REGEX_MULTIPLICITY_OPTIONNAL, $args = RegexHelper::REGEX_MULTIPLICITY_OPTIONNAL, $anchor = RegexHelper::REGEX_MULTIPLICITY_OPTIONNAL, $forbid_js = true)
{
if ($forbid_js) {
$protocol_regex_secured = self::FORBID_JS_REGEX . self::PROTOCOL_REGEX;
} else {
$protocol_regex_secured = self::PROTOCOL_REGEX;
}
$regex = RegexHelper::set_subregex_multiplicity($protocol_regex_secured, $protocol) . RegexHelper::set_subregex_multiplicity(self::USER_REGEX, $user) . RegexHelper::set_subregex_multiplicity(self::DOMAIN_REGEX, $domain) . RegexHelper::set_subregex_multiplicity(self::FOLDERS_REGEX, $folders) . RegexHelper::set_subregex_multiplicity(self::FILE_REGEX, $file);
if ($anchor == RegexHelper::REGEX_MULTIPLICITY_OPTIONNAL) {
$regex .= RegexHelper::set_subregex_multiplicity(self::ANCHOR_REGEX, RegexHelper::REGEX_MULTIPLICITY_OPTIONNAL);
}
$regex .= RegexHelper::set_subregex_multiplicity(self::ARGS_REGEX, $args) . RegexHelper::set_subregex_multiplicity(self::ANCHOR_REGEX, $anchor);
return $regex;
}