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<?php
namespace PhpOffice\PhpSpreadsheet\Style\NumberFormat;
use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
class NumberFormatter
{
private const NUMBER_REGEX = '/(0+)(\\.?)(0*)/';
private static function mergeComplexNumberFormatMasks(array $numbers, array $masks): array
{
$decimalCount = strlen($numbers[1]);
$postDecimalMasks = [];
do {
$tempMask = array_pop($masks);
if ($tempMask !== null) {
$postDecimalMasks[] = $tempMask;
$decimalCount -= strlen($tempMask);
}
} while ($tempMask !== null && $decimalCount > 0);
return [
implode('.', $masks),
implode('.', array_reverse($postDecimalMasks)),
];
}
/**
* @param mixed $number
*/
private static function processComplexNumberFormatMask($number, string $mask): string
{
/** @var string */
$result = $number;
$maskingBlockCount = preg_match_all('/0+/', $mask, $maskingBlocks, PREG_OFFSET_CAPTURE);
if ($maskingBlockCount > 1) {
$maskingBlocks = array_reverse($maskingBlocks[0]);
$offset = 0;
foreach ($maskingBlocks as $block) {
$size = strlen($block[0]);
$divisor = 10 ** $size;
$offset = $block[1];
/** @var float */
$numberFloat = $number;
$blockValue = sprintf("%0{$size}d", fmod($numberFloat, $divisor));
$number = floor($numberFloat / $divisor);
$mask = substr_replace($mask, $blockValue, $offset, $size);
}
/** @var string */
$numberString = $number;
if ($number > 0) {
$mask = substr_replace($mask, $numberString, $offset, 0);
}
$result = $mask;
}
return self::makeString($result);
}
/**
* @param mixed $number
*/
private static function complexNumberFormatMask($number, string $mask, bool $splitOnPoint = true): string
{
$sign = ($number < 0.0) ? '-' : '';
/** @var float */
$numberFloat = $number;
$number = (string) abs($numberFloat);
if ($splitOnPoint && strpos($mask, '.') !== false && strpos($number, '.') !== false) {
$numbers = explode('.', $number);
$masks = explode('.', $mask);
if (count($masks) > 2) {
$masks = self::mergeComplexNumberFormatMasks($numbers, $masks);
}
$integerPart = self::complexNumberFormatMask($numbers[0], $masks[0], false);
$decimalPart = strrev(self::complexNumberFormatMask(strrev($numbers[1]), strrev($masks[1]), false));
return "{$sign}{$integerPart}.{$decimalPart}";
}
$result = self::processComplexNumberFormatMask($number, $mask);
return "{$sign}{$result}";
}
/**
* @param mixed $value
*/
private static function formatStraightNumericValue($value, string $format, array $matches, bool $useThousands): string
{
/** @var float */
$valueFloat = $value;
$left = $matches[1];
$dec = $matches[2];
$right = $matches[3];
// minimun width of formatted number (including dot)
$minWidth = strlen($left) + strlen($dec) + strlen($right);
if ($useThousands) {
$value = number_format(
$valueFloat,
strlen($right),
StringHelper::getDecimalSeparator(),
StringHelper::getThousandsSeparator()
);
return self::pregReplace(self::NUMBER_REGEX, $value, $format);
}
if (preg_match('/[0#]E[+-]0/i', $format)) {
// Scientific format
return sprintf('%5.2E', $valueFloat);
} elseif (preg_match('/0([^\d\.]+)0/', $format) || substr_count($format, '.') > 1) {
if ($value == (int) $valueFloat && substr_count($format, '.') === 1) {
$value *= 10 ** strlen(explode('.', $format)[1]);
}
return self::complexNumberFormatMask($value, $format);
}
$sprintf_pattern = "%0$minWidth." . strlen($right) . 'f';
/** @var float */
$valueFloat = $value;
$value = sprintf($sprintf_pattern, round($valueFloat, strlen($right)));
return self::pregReplace(self::NUMBER_REGEX, $value, $format);
}
/**
* @param mixed $value
*/
public static function format($value, string $format): string
{
// The "_" in this string has already been stripped out,
// so this test is never true. Furthermore, testing
// on Excel shows this format uses Euro symbol, not "EUR".
//if ($format === NumberFormat::FORMAT_CURRENCY_EUR_SIMPLE) {
// return 'EUR ' . sprintf('%1.2f', $value);
//}
// Some non-number strings are quoted, so we'll get rid of the quotes, likewise any positional * symbols
$format = self::makeString(str_replace(['"', '*'], '', $format));
// Find out if we need thousands separator
// This is indicated by a comma enclosed by a digit placeholder:
// #,# or 0,0
$useThousands = (bool) preg_match('/(#,#|0,0)/', $format);
if ($useThousands) {
$format = self::pregReplace('/0,0/', '00', $format);
$format = self::pregReplace('/#,#/', '##', $format);
}
// Scale thousands, millions,...
// This is indicated by a number of commas after a digit placeholder:
// #, or 0.0,,
$scale = 1; // same as no scale
$matches = [];
if (preg_match('/(#|0)(,+)/', $format, $matches)) {
$scale = 1000 ** strlen($matches[2]);
// strip the commas
$format = self::pregReplace('/0,+/', '0', $format);
$format = self::pregReplace('/#,+/', '#', $format);
}
if (preg_match('/#?.*\?\/\?/', $format, $m)) {
$value = FractionFormatter::format($value, $format);
} else {
// Handle the number itself
// scale number
$value = $value / $scale;
// Strip #
$format = self::pregReplace('/\\#/', '0', $format);
// Remove locale code [$-###]
$format = self::pregReplace('/\[\$\-.*\]/', '', $format);
$n = '/\\[[^\\]]+\\]/';
$m = self::pregReplace($n, '', $format);
if (preg_match(self::NUMBER_REGEX, $m, $matches)) {
// There are placeholders for digits, so inject digits from the value into the mask
$value = self::formatStraightNumericValue($value, $format, $matches, $useThousands);
} elseif ($format !== NumberFormat::FORMAT_GENERAL) {
// Yes, I know that this is basically just a hack;
// if there's no placeholders for digits, just return the format mask "as is"
$value = self::makeString(str_replace('?', '', $format));
}
}
if (preg_match('/\[\$(.*)\]/u', $format, $m)) {
// Currency or Accounting
$currencyCode = $m[1];
[$currencyCode] = explode('-', $currencyCode);
if ($currencyCode == '') {
$currencyCode = StringHelper::getCurrencyCode();
}
$value = self::pregReplace('/\[\$([^\]]*)\]/u', $currencyCode, (string) $value);
}
return (string) $value;
}
/**
* @param array|string $value
*/
private static function makeString($value): string
{
return is_array($value) ? '' : "$value";
}
private static function pregReplace(string $pattern, string $replacement, string $subject): string
{
return self::makeString(preg_replace($pattern, $replacement, $subject) ?? '');
}
}
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