Revert "Revert "Language names via intl library.""
This reverts commit 4f35efa0ba.
This commit is contained in:
Stefan Parviainen
406
library/intl/src/Formatter/NumberFormatter.php
Normal file
406
library/intl/src/Formatter/NumberFormatter.php
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@@ -0,0 +1,406 @@
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<?php
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namespace CommerceGuys\Intl\Formatter;
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use CommerceGuys\Intl\Currency\CurrencyInterface;
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use CommerceGuys\Intl\Exception\InvalidArgumentException;
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use CommerceGuys\Intl\NumberFormat\NumberFormatInterface;
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/**
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* Formats numbers using locale-specific patterns.
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*/
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class NumberFormatter implements NumberFormatterInterface
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{
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/**
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* The number format.
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*
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* @var NumberFormatInterface
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*/
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protected $numberFormat;
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/**
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* The number pattern used to format positive numbers.
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*
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* @var string
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*/
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protected $positivePattern;
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/**
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* The number pattern used to format negative numbers.
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*
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* @var string
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*/
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protected $negativePattern;
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/**
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* Whether grouping is used.
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*
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* @var bool
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*/
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protected $groupingUsed;
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/**
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* The size of the group of digits closest to the decimal point.
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*
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* @var int
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*/
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protected $primaryGroupSize;
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/**
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* The size of every group of digits after the primary group.
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*
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* @var int
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*/
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protected $secondaryGroupSize;
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/**
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* The minimum number of fraction digits to show.
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*
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* @var int
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*/
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protected $minimumFractionDigits;
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/**
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* The maximum number of fraction digits to show.
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*
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* @var int
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*/
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protected $maximumFractionDigits;
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/**
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* The currency display style.
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*
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* @var int
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*/
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protected $currencyDisplay;
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/**
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* Localized digits.
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*
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* @var array
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*/
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protected $digits = array(
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NumberFormatInterface::NUMBERING_SYSTEM_ARABIC => array(
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0 => '٠', 1 => '١', 2 => '٢', 3 => '٣', 4 => '٤',
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5 => '٥', 6 => '٦', 7 => '٧', 8 => '٨', 9 => '٩',
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),
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NumberFormatInterface::NUMBERING_SYSTEM_ARABIC_EXTENDED => array(
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0 => '۰', 1 => '۱', 2 => '۲', 3 => '۳', 4 => '۴',
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5 => '۵', 6 => '۶', 7 => '۷', 8 => '۸', 9 => '۹',
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),
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NumberFormatInterface::NUMBERING_SYSTEM_BENGALI => array(
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0 => '০', 1 => '১', 2 => '২', 3 => '৩', 4 => '৪',
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5 => '৫', 6 => '৬', 7 => '৭', 8 => '৮', 9 => '৯',
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),
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NumberFormatInterface::NUMBERING_SYSTEM_DEVANAGARI => array(
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0 => '०', 1 => '१', 2 => '२', 3 => '३', 4 => '४',
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5 => '५', 6 => '६', 7 => '७', 8 => '८', 9 => '९',
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),
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);
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/**
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* Creaes a NumberFormatter instance.
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*
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* @param NumberFormatInterface $numberFormat The number format.
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* @param int $style The formatting style.
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*
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* @throws InvalidArgumentException
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*/
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public function __construct(NumberFormatInterface $numberFormat, $style = self::DECIMAL)
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{
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$availablePatterns = array(
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self::DECIMAL => $numberFormat->getDecimalPattern(),
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self::PERCENT => $numberFormat->getPercentPattern(),
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self::CURRENCY => $numberFormat->getCurrencyPattern(),
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self::CURRENCY_ACCOUNTING => $numberFormat->getAccountingCurrencyPattern(),
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);
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if (!array_key_exists($style, $availablePatterns)) {
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// Unknown type.
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throw new InvalidArgumentException('Unknown format style provided to NumberFormatter::__construct().');
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}
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// Split the selected pattern into positive and negative patterns.
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$patterns = explode(';', $availablePatterns[$style]);
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if (!isset($patterns[1])) {
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// No explicit negative pattern was provided, construct it.
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$patterns[1] = '-' . $patterns[0];
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}
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$this->numberFormat = $numberFormat;
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$this->positivePattern = $patterns[0];
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$this->negativePattern = $patterns[1];
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$this->groupingUsed = (strpos($this->positivePattern, ',') !== false);
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// This pattern has number groups, parse them.
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if ($this->groupingUsed) {
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preg_match('/#+0/', $this->positivePattern, $primaryGroupMatches);
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$this->primaryGroupSize = $this->secondaryGroupSize = strlen($primaryGroupMatches[0]);
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$numberGroups = explode(',', $this->positivePattern);
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if (count($numberGroups) > 2) {
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// This pattern has a distinct secondary group size.
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$this->secondaryGroupSize = strlen($numberGroups[1]);
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}
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}
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// Initialize the fraction digit settings for decimal and percent
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// styles only. The currency ones will default to the currency values.
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if (in_array($style, array(self::DECIMAL, self::PERCENT))) {
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$this->minimumFractionDigits = 0;
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$this->maximumFractionDigits = 3;
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}
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$this->currencyDisplay = self::CURRENCY_DISPLAY_SYMBOL;
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}
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/**
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* {@inheritdoc}
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*/
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public function format($value)
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{
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if (!is_numeric($value)) {
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$message = sprintf('The provided value "%s" must be a valid number or numeric string.', $value);
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throw new InvalidArgumentException($message);
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}
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// Ensure that the value is positive and has the right number of digits.
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$negative = (bccomp('0', $value, 12) == 1);
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$signMultiplier = $negative ? '-1' : '1';
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$value = bcdiv($value, $signMultiplier, $this->maximumFractionDigits);
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// Split the number into major and minor digits.
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$valueParts = explode('.', $value);
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$majorDigits = $valueParts[0];
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// Account for maximumFractionDigits = 0, where the number won't
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// have a decimal point, and $valueParts[1] won't be set.
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$minorDigits = isset($valueParts[1]) ? $valueParts[1] : '';
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if ($this->groupingUsed) {
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// Reverse the major digits, since they are grouped from the right.
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$majorDigits = array_reverse(str_split($majorDigits));
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// Group the major digits.
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$groups = array();
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$groups[] = array_splice($majorDigits, 0, $this->primaryGroupSize);
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while (!empty($majorDigits)) {
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$groups[] = array_splice($majorDigits, 0, $this->secondaryGroupSize);
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}
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// Reverse the groups and the digits inside of them.
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$groups = array_reverse($groups);
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foreach ($groups as &$group) {
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$group = implode(array_reverse($group));
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}
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// Reconstruct the major digits.
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$majorDigits = implode(',', $groups);
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}
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if ($this->minimumFractionDigits < $this->maximumFractionDigits) {
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// Strip any trailing zeroes.
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$minorDigits = rtrim($minorDigits, '0');
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if (strlen($minorDigits) < $this->minimumFractionDigits) {
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// Now there are too few digits, re-add trailing zeroes
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// until the desired length is reached.
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$neededZeroes = $this->minimumFractionDigits - strlen($minorDigits);
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$minorDigits .= str_repeat('0', $neededZeroes);
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}
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}
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// Assemble the final number and insert it into the pattern.
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$value = $minorDigits ? $majorDigits . '.' . $minorDigits : $majorDigits;
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$pattern = $negative ? $this->negativePattern : $this->positivePattern;
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$value = preg_replace('/#(?:[\.,]#+)*0(?:[,\.][0#]+)*/', $value, $pattern);
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// Localize the number.
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$value = $this->replaceDigits($value);
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$value = $this->replaceSymbols($value);
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return $value;
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}
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/**
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* {@inheritdoc}
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*/
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public function formatCurrency($value, CurrencyInterface $currency)
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{
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// Use the currency defaults if the values weren't set by the caller.
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$resetMinimumFractionDigits = $resetMaximumFractionDigits = false;
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if (!isset($this->minimumFractionDigits)) {
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$this->minimumFractionDigits = $currency->getFractionDigits();
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$resetMinimumFractionDigits = true;
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}
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if (!isset($this->maximumFractionDigits)) {
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$this->maximumFractionDigits = $currency->getFractionDigits();
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$resetMaximumFractionDigits = true;
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}
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// Format the decimal part of the value first.
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$value = $this->format($value);
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// Reset the fraction digit settings, so that they don't affect
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// future formattings with different currencies.
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if ($resetMinimumFractionDigits) {
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$this->minimumFractionDigits = null;
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}
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if ($resetMaximumFractionDigits) {
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$this->maximumFractionDigits = null;
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}
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// Determine whether to show the currency symbol or the currency code.
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if ($this->currencyDisplay == self::CURRENCY_DISPLAY_SYMBOL) {
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$symbol = $currency->getSymbol();
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} else {
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$symbol = $currency->getCurrencyCode();
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}
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return str_replace('¤', $symbol, $value);
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}
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/**
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* {@inheritdoc}
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*/
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public function parseCurrency($value, CurrencyInterface $currency)
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{
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$replacements = array(
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// Convert the localized symbols back to their original form.
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$this->numberFormat->getDecimalSeparator() => '.',
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$this->numberFormat->getPlusSign() => '+',
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$this->numberFormat->getMinusSign() => '-',
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// Strip any grouping separators, the currency code or symbol.
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$this->numberFormat->getGroupingSeparator() => '',
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$currency->getCurrencyCode() => '',
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$currency->getSymbol() => '',
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// Strip whitespace (spaces and non-breaking spaces).
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' ' => '',
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chr(0xC2) . chr(0xA0) => '',
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);
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$numberingSystem = $this->numberFormat->getNumberingSystem();
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if (isset($this->digits[$numberingSystem])) {
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// Convert the localized digits back to latin.
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$replacements += array_flip($this->digits[$numberingSystem]);
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}
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$value = strtr($value, $replacements);
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if (substr($value, 0, 1) == '(' && substr($value, -1, 1) == ')') {
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// This is an accounting formatted negative number.
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$value = '-' . str_replace(array('(', ')'), '', $value);
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}
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return is_numeric($value) ? $value : false;
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}
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/**
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* Replaces digits with their localized equivalents.
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*
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* @param string $value The value being formatted.
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*
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* @return string
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*/
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protected function replaceDigits($value)
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{
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$numberingSystem = $this->numberFormat->getNumberingSystem();
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if (isset($this->digits[$numberingSystem])) {
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$value = strtr($value, $this->digits[$numberingSystem]);
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}
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return $value;
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}
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/**
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* Replaces number symbols with their localized equivalents.
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*
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* @param string $value The value being formatted.
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*
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* @return string
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*
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* @see http://cldr.unicode.org/translation/number-symbols
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*/
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protected function replaceSymbols($value)
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{
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$replacements = array(
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'.' => $this->numberFormat->getDecimalSeparator(),
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',' => $this->numberFormat->getGroupingSeparator(),
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'+' => $this->numberFormat->getPlusSign(),
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'-' => $this->numberFormat->getMinusSign(),
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'%' => $this->numberFormat->getPercentSign(),
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);
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return strtr($value, $replacements);
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}
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/**
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* {@inheritdoc}
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*/
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public function getNumberFormat()
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{
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return $this->numberFormat;
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}
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/**
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* {@inheritdoc}
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*/
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public function getMinimumFractionDigits()
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{
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return $this->minimumFractionDigits;
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}
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/**
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* {@inheritdoc}
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*/
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public function setMinimumFractionDigits($minimumFractionDigits)
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{
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$this->minimumFractionDigits = $minimumFractionDigits;
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return $this;
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}
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/**
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* {@inheritdoc}
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*/
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public function getMaximumFractionDigits()
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{
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return $this->maximumFractionDigits;
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}
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/**
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* {@inheritdoc}
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*/
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public function setMaximumFractionDigits($maximumFractionDigits)
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{
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$this->maximumFractionDigits = $maximumFractionDigits;
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return $this;
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}
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/**
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* {@inheritdoc}
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*/
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public function isGroupingUsed()
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{
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return $this->groupingUsed;
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}
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/**
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* {@inheritdoc}
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*/
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public function setGroupingUsed($groupingUsed)
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{
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$this->groupingUsed = $groupingUsed;
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return $this;
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}
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/**
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* {@inheritdoc}
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*/
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public function getCurrencyDisplay()
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{
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return $this->currencyDisplay;
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}
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/**
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* {@inheritdoc}
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*/
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public function setCurrencyDisplay($currencyDisplay)
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{
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$this->currencyDisplay = $currencyDisplay;
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return $this;
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}
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}
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134
library/intl/src/Formatter/NumberFormatterInterface.php
Normal file
134
library/intl/src/Formatter/NumberFormatterInterface.php
Normal file
@@ -0,0 +1,134 @@
|
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<?php
|
||||
|
||||
namespace CommerceGuys\Intl\Formatter;
|
||||
|
||||
use CommerceGuys\Intl\Currency\CurrencyInterface;
|
||||
use CommerceGuys\Intl\NumberFormat\NumberFormatInterface;
|
||||
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||||
interface NumberFormatterInterface
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||||
{
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||||
/* Format style constants */
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const DECIMAL = 1;
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const PERCENT = 2;
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||||
const CURRENCY = 3;
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||||
const CURRENCY_ACCOUNTING = 4;
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/* Currency display style constants */
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||||
const CURRENCY_DISPLAY_SYMBOL = 1;
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||||
const CURRENCY_DISPLAY_CODE = 2;
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||||
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/**
|
||||
* Formats a number.
|
||||
*
|
||||
* Please note that the provided value should already be rounded.
|
||||
* This formatter doesn't do any rounding of its own, and will simply
|
||||
* truncate extra digits.
|
||||
*
|
||||
* @param string $value The value to format.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function format($value);
|
||||
|
||||
/**
|
||||
* Formats a currency value.
|
||||
*
|
||||
* Please note that the provided value should already be rounded.
|
||||
* This formatter doesn't do any rounding of its own, and will simply
|
||||
* truncate extra digits.
|
||||
*
|
||||
* @param string $value The value to format.
|
||||
* @param CurrencyInterface $currency The currency.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function formatCurrency($value, CurrencyInterface $currency);
|
||||
|
||||
/**
|
||||
* Parses a formatted currency value.
|
||||
*
|
||||
* Commonly used in price input widgets where the end-user might
|
||||
* input a value using digits and symbols common to their locale.
|
||||
*
|
||||
* @param string $value The value to parse.
|
||||
* @param CurrencyInterface $currency The currency.
|
||||
*
|
||||
* @return string|false The parsed numeric value or FALSE on error.
|
||||
*/
|
||||
public function parseCurrency($value, CurrencyInterface $currency);
|
||||
|
||||
/**
|
||||
* Gets the number format.
|
||||
*
|
||||
* @return NumberFormatInterface
|
||||
*/
|
||||
public function getNumberFormat();
|
||||
|
||||
/**
|
||||
* Gets the minimum number of fraction digits.
|
||||
*
|
||||
* Defaults to 0 for decimal and percentage styles.
|
||||
* Defaults to null for currency styles, since the currency number of
|
||||
* fraction digits is used as the default in that case.
|
||||
*
|
||||
* @return int
|
||||
*/
|
||||
public function getMinimumFractionDigits();
|
||||
|
||||
/**
|
||||
* Sets the minimum number of fraction digits.
|
||||
*
|
||||
* @param int $minimumFractionDigits
|
||||
*/
|
||||
public function setMinimumFractionDigits($minimumFractionDigits);
|
||||
|
||||
/**
|
||||
* Gets the maximum number of fraction digits.
|
||||
*
|
||||
* Defaults to 3 for decimal and percentage styles.
|
||||
* Defaults to null for currency styles, since the currency number of
|
||||
* fraction digits is used as the default in that case.
|
||||
*
|
||||
* @return int
|
||||
*/
|
||||
public function getMaximumFractionDigits();
|
||||
|
||||
/**
|
||||
* Sets the maximum number of fraction digits.
|
||||
*
|
||||
* @param int $maximumFractionDigits
|
||||
*/
|
||||
public function setMaximumFractionDigits($maximumFractionDigits);
|
||||
|
||||
/**
|
||||
* Returns whether the major digits will be grouped.
|
||||
*
|
||||
* @return bool
|
||||
*/
|
||||
public function isGroupingUsed();
|
||||
|
||||
/**
|
||||
* Sets whether or not major digits should be grouped
|
||||
*
|
||||
* @param bool $groupingUsed
|
||||
*/
|
||||
public function setGroupingUsed($groupingUsed);
|
||||
|
||||
/**
|
||||
* Gets the currency display style.
|
||||
*
|
||||
* Controls whether a currency amount will be shown with the
|
||||
* currency symbol (CURRENCY_DISPLAY_SYMBOL) or the
|
||||
* currency code (CURRENCY_DISPLAY_CODE).
|
||||
*
|
||||
* @return int
|
||||
*/
|
||||
public function getCurrencyDisplay();
|
||||
|
||||
/**
|
||||
* Sets the currency display style.
|
||||
*
|
||||
* @param int $currencyDisplay One of the CURRENCY_DISPLAY_ constants.
|
||||
*/
|
||||
public function setCurrencyDisplay($currencyDisplay);
|
||||
}
|
||||
Reference in New Issue
Block a user