/**
* @param int $number
*
* @return string
*/
protected function toWords($number)
{
if ($number === 0) {
return Dictionary::$zero;
}
$triplets = $this->numberToTripletsConverter->convertToTriplets(abs($number));
$transformedNumber = $this->buildWordsFromTriplets($triplets);
return $number < 0 ? Dictionary::MINUS . ' ' . $transformedNumber : $transformedNumber;
}
/**
* @param int $num
*
* @return string
*/
protected function toWords($num)
{
$return = '';
if ($num === 0) {
return BelgianDictionary::$zero;
}
if ($num < 0) {
$return = BelgianDictionary::$minus . BelgianDictionary::$wordSeparator;
$num *= -1;
}
$numberGroups = $this->numberToTripletsConverter->convertToTriplets($num);
$sizeOfNumberGroups = count($numberGroups);
foreach ($numberGroups as $i => $number) {
// what is the corresponding exponent for the current group
$pow = $sizeOfNumberGroups - $i;
// skip processment for empty groups
if ($number != '000') {
if ($number != 1 || $pow != 2) {
$return .= $this->showDigitsGroup($number, $i + 1 == $sizeOfNumberGroups || $pow > 2) . BelgianDictionary::$wordSeparator;
}
$return .= BelgianDictionary::$exponent[($pow - 1) * 3];
if ($pow > 2 && $number > 1) {
$return .= BelgianDictionary::$pluralSuffix;
}
$return .= BelgianDictionary::$wordSeparator;
}
}
return rtrim($return, BelgianDictionary::$wordSeparator);
}
/**
* @param int $number
*
* @return array
*/
private function getWordsBySplittingIntoTriplets($number)
{
$words = [];
$triplets = $this->numberToTripletsConverter->convertToTriplets($number);
foreach ($triplets as $i => $triplet) {
if ($triplet > 0) {
$words[] = $this->tripletTransformer->transformToWords($triplet);
if (null !== $this->exponentInflector) {
$words[] = $this->exponentInflector->inflectExponent($triplet, count($triplets) - $i - 1);
}
}
}
return $words;
}
/**
* @param int $num
* @param array $noun
*
* @return string
*/
protected function toWords($num = 0, $noun = [])
{
if (empty($noun)) {
$noun = [null, null, Gender::GENDER_ABSTRACT];
}
$ret = '';
if ($num === 0) {
return Dictionary::$numbers[0];
}
if ($num < 0) {
$ret = Dictionary::$minus . Dictionary::$wordSeparator;
$num *= -1;
}
// One is a special case
if ($num === 1) {
$ret = $this->getNumberInflectionForGender(Dictionary::$numbers[1], $noun);
if ($noun[2] !== Gender::GENDER_ABSTRACT) {
$ret .= Dictionary::$wordSeparator . $this->getNounDeclensionForNumber('o', $noun);
}
return $ret;
}
$numberGroups = $this->numberToTripletsConverter->convertToTriplets($num);
$sizeOfNumberGroups = count($numberGroups);
$showedNoun = false;
foreach ($numberGroups as $i => $number) {
$power = $sizeOfNumberGroups - $i;
if ($number === 0) {
continue;
}
if ($i) {
$ret .= Dictionary::$wordSeparator;
}
if ($power - 1) {
$ret .= $this->showDigitsGroup($number, Dictionary::$exponent[($power - 1) * 3]);
} else {
$showedNoun = true;
$ret .= $this->showDigitsGroup($number, $noun, false, $num !== 1);
}
}
if (!$showedNoun) {
$ret .= Dictionary::$wordSeparator . $this->getNounDeclensionForNumber('m', $noun);
// ALWAYS many
}
return trim($ret, Dictionary::$wordSeparator);
}