diff options
Diffstat (limited to 'vendor/commerceguys/intl/src/Formatter/FormatterTrait.php')
| -rw-r--r-- | vendor/commerceguys/intl/src/Formatter/FormatterTrait.php | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/vendor/commerceguys/intl/src/Formatter/FormatterTrait.php b/vendor/commerceguys/intl/src/Formatter/FormatterTrait.php new file mode 100644 index 000000000..aa63c1f5f --- /dev/null +++ b/vendor/commerceguys/intl/src/Formatter/FormatterTrait.php @@ -0,0 +1,215 @@ +<?php + +namespace CommerceGuys\Intl\Formatter; + +use CommerceGuys\Intl\Calculator; +use CommerceGuys\Intl\Exception\InvalidArgumentException; +use CommerceGuys\Intl\NumberFormat\NumberFormat; + +trait FormatterTrait +{ + /** + * The parsed number patterns, keyed by locale and style. + * + * @var ParsedPattern[] + */ + protected $parsedPatterns = []; + + /** + * Localized digits. + * + * @var array + */ + protected $digits = [ + NumberFormat::NUMBERING_SYSTEM_ARABIC => [ + 0 => '٠', 1 => '١', 2 => '٢', 3 => '٣', 4 => '٤', + 5 => '٥', 6 => '٦', 7 => '٧', 8 => '٨', 9 => '٩', + ], + NumberFormat::NUMBERING_SYSTEM_ARABIC_EXTENDED => [ + 0 => '۰', 1 => '۱', 2 => '۲', 3 => '۳', 4 => '۴', + 5 => '۵', 6 => '۶', 7 => '۷', 8 => '۸', 9 => '۹', + ], + NumberFormat::NUMBERING_SYSTEM_BENGALI => [ + 0 => '০', 1 => '১', 2 => '২', 3 => '৩', 4 => '৪', + 5 => '৫', 6 => '৬', 7 => '৭', 8 => '৮', 9 => '৯', + ], + NumberFormat::NUMBERING_SYSTEM_DEVANAGARI => [ + 0 => '०', 1 => '१', 2 => '२', 3 => '३', 4 => '४', + 5 => '५', 6 => '६', 7 => '७', 8 => '८', 9 => '९', + ], + ]; + + /** + * Formats the number according to the number format. + * + * @param string $number The number. + * @param NumberFormat $numberFormat The number format. + * + * @return string The formatted number. + */ + protected function formatNumber($number, NumberFormat $numberFormat, array $options = []) + { + $parsedPattern = $this->getParsedPattern($numberFormat, $options['style']); + // Start by rounding the number, if rounding is enabled. + if (is_int($options['rounding_mode'])) { + $number = Calculator::round($number, $options['maximum_fraction_digits'], $options['rounding_mode']); + } + $negative = (Calculator::compare('0', $number, 12) == 1); + // Ensure that the value is positive and has the right number of digits. + $signMultiplier = $negative ? '-1' : '1'; + $number = bcdiv($number, $signMultiplier, $options['maximum_fraction_digits']); + // Split the number into major and minor digits. + $numberParts = explode('.', $number); + $majorDigits = $numberParts[0]; + // Account for maximumFractionDigits = 0, where the number won't + // have a decimal point, and $numberParts[1] won't be set. + $minorDigits = isset($numberParts[1]) ? $numberParts[1] : ''; + + if ($options['use_grouping'] && $parsedPattern->isGroupingUsed()) { + // Reverse the major digits, since they are grouped from the right. + $majorDigits = array_reverse(str_split($majorDigits)); + // Group the major digits. + $groups = []; + $groups[] = array_splice($majorDigits, 0, $parsedPattern->getPrimaryGroupSize()); + while (!empty($majorDigits)) { + $groups[] = array_splice($majorDigits, 0, $parsedPattern->getSecondaryGroupSize()); + } + // Reverse the groups and the digits inside of them. + $groups = array_reverse($groups); + foreach ($groups as &$group) { + $group = implode(array_reverse($group)); + } + // Reconstruct the major digits. + $majorDigits = implode(',', $groups); + } + + if ($options['minimum_fraction_digits'] < $options['maximum_fraction_digits']) { + // Strip any trailing zeroes. + $minorDigits = rtrim($minorDigits, '0'); + if (strlen($minorDigits) < $options['minimum_fraction_digits']) { + // Now there are too few digits, re-add trailing zeroes + // until the desired length is reached. + $neededZeroes = $options['minimum_fraction_digits'] - strlen($minorDigits); + $minorDigits .= str_repeat('0', $neededZeroes); + } + } + + // Assemble the final number and insert it into the pattern. + $number = strlen($minorDigits) ? $majorDigits . '.' . $minorDigits : $majorDigits; + $pattern = $negative ? $parsedPattern->getNegativePattern() : $parsedPattern->getPositivePattern(); + $number = preg_replace('/#(?:[\.,]#+)*0(?:[,\.][0#]+)*/', $number, $pattern); + $number = $this->localizeNumber($number, $numberFormat); + + return $number; + } + + /** + * Localizes the number according to the number format. + * + * Both the digits and the symbols are replaced + * with their localized equivalents. + * + * @param string $number The number. + * @param NumberFormat $numberFormat The number format. + * + * @return string The localized number. + * + * @see http://cldr.unicode.org/translation/number-symbols + */ + protected function localizeNumber($number, NumberFormat $numberFormat) + { + // Localize digits. + $numberingSystem = $numberFormat->getNumberingSystem(); + if (isset($this->digits[$numberingSystem])) { + $number = strtr($number, $this->digits[$numberingSystem]); + } + // Localize symbols. + $replacements = [ + '.' => $numberFormat->getDecimalSeparator(), + ',' => $numberFormat->getGroupingSeparator(), + '+' => $numberFormat->getPlusSign(), + '-' => $numberFormat->getMinusSign(), + '%' => $numberFormat->getPercentSign(), + ]; + $number = strtr($number, $replacements); + + return $number; + } + + /** + * Parses the number according to the number format. + * + * Both the digits and the symbols are replaced + * with their non-localized equivalents. + * + * @param string $number The number. + * @param NumberFormat $numberFormat The number format. + * + * @return string The localized number. + */ + protected function parseNumber($number, NumberFormat $numberFormat) + { + $replacements = [ + $numberFormat->getGroupingSeparator() => '', + // Convert the localized symbols back to their original form. + $numberFormat->getDecimalSeparator() => '.', + $numberFormat->getPlusSign() => '+', + $numberFormat->getMinusSign() => '-', + $numberFormat->getPercentSign() => '%', + + // Strip whitespace (spaces and non-breaking spaces). + ' ' => '', + chr(0xC2) . chr(0xA0) => '', + ]; + $numberingSystem = $numberFormat->getNumberingSystem(); + if (isset($this->digits[$numberingSystem])) { + // Convert the localized digits back to latin. + $replacements += array_flip($this->digits[$numberingSystem]); + } + $number = strtr($number, $replacements); + + // Convert the accounting format for negative numbers. + if (substr($number, 0, 1) == '(' && substr($number, -1, 1) == ')') { + $number = '-' . str_replace(['(', ')'], '', $number); + } + // Convert percentages back to their decimal form. + if (strpos($number, '%') !== false) { + $number = str_replace('%', '', $number); + $number = Calculator::divide($number, '100'); + } + + return is_numeric($number) ? $number : false; + } + + /** + * Gets the pattern for the provided number format. + * + * @param NumberFormat $numberFormat The number format. + * @param string $style The formatter style. + * + * @return ParsedPattern + */ + protected function getParsedPattern(NumberFormat $numberFormat, $style) + { + $locale = $numberFormat->getLocale(); + if (!isset($this->parsedPatterns[$locale][$style])) { + $availablePatterns = $this->getAvailablePatterns($numberFormat); + if (!isset($availablePatterns[$style])) { + throw new InvalidArgumentException(sprintf('Unrecognized style "%s".', $style)); + } + + $this->parsedPatterns[$locale][$style] = new ParsedPattern($availablePatterns[$style]); + } + + return $this->parsedPatterns[$locale][$style]; + } + + /** + * Gets the available patterns for the provided number format. + * + * @param NumberFormat $numberFormat The number format. + * + * @return string[] The patterns, keyed by style. + */ + abstract protected function getAvailablePatterns(NumberFormat $numberFormat); +} |