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<?php |
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namespace ICanBoogie\CLDR; |
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use function abs; |
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use function implode; |
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use function ltrim; |
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use function round; |
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use function str_pad; |
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use function str_split; |
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use function strlen; |
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use function strpos; |
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use function substr; |
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use const STR_PAD_LEFT; |
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/** |
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* Representation of a number pattern. |
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*/ |
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final class NumberPattern |
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{ |
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public static function from(string $pattern): NumberPattern |
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{ |
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static $instances; |
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return $instances[$pattern] ??= self::do_from($pattern); |
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} |
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private static function do_from(string $pattern): self |
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{ |
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$parsed_pattern = NumberPatternParser::parse($pattern); |
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return new self($pattern, ...$parsed_pattern); |
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} |
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/** |
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* @param string $pattern |
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* @param string $positive_prefix |
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* Prefix to a positive number. |
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* @param string $positive_suffix |
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* Suffix to a positive number. |
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* @param string $negative_prefix |
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* Prefix to a negative number. |
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* @param string $negative_suffix |
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* Suffix to negative number. |
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* @param int $multiplier |
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* 100 for percent, 1000 for per mille. |
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* @param int $decimal_digits |
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* The number of required digits after the decimal point. |
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* The string is padded with zeros if there aren't enough digits. |
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* `-1` means the decimal point should be dropped. |
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* @param int $max_decimal_digits |
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* The maximum number of digits after the decimal point. |
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* Additional digits will be truncated. |
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* @param int $integer_digits |
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* The number of required digits before the decimal point. |
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* The string is padded with zeros if there aren't enough digits. |
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* @param int $group_size1 |
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* The primary grouping size. `0` means no grouping. |
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* @param int $group_size2 |
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* The secondary grouping size. `0` means no secondary grouping. |
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*/ |
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private function __construct( |
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public readonly string $pattern, |
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public readonly string $positive_prefix, |
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public readonly string $positive_suffix, |
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public readonly string $negative_prefix, |
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public readonly string $negative_suffix, |
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public readonly int $multiplier, |
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public readonly int $decimal_digits, |
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public readonly int $max_decimal_digits, |
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public readonly int $integer_digits, |
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public readonly int $group_size1, |
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public readonly int $group_size2 |
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) { |
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} |
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public function __toString(): string |
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{ |
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return $this->pattern; |
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} |
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/** |
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* Parses a number according to the pattern and return its integer and decimal parts. |
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* |
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* @param float|int|numeric-string $number |
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* |
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* @return array{ 0: int, 1: string} |
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* Where `0` is the integer part and `1` the decimal part. |
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*/ |
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public function parse_number(float|int|string $number): array |
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{ |
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$number = abs($number * $this->multiplier); |
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if ($this->max_decimal_digits >= 0) { |
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$number = round($number, $this->max_decimal_digits); |
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} |
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$number = "$number"; |
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$pos = strpos($number, '.'); |
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if ($pos !== false) { |
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return [ (int)substr($number, 0, $pos), substr($number, $pos + 1) ]; |
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} |
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return [ (int)$number, '' ]; |
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} |
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/** |
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* Formats an integer according to a group pattern. |
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*/ |
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public function format_integer_with_group(int $integer, string $group_symbol): string |
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{ |
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$integer = str_pad((string)$integer, $this->integer_digits, '0', STR_PAD_LEFT); |
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$group_size1 = $this->group_size1; |
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if ($group_size1 < 1 || strlen($integer) <= $this->group_size1) { |
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return $integer; |
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} |
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$group_size2 = $this->group_size2; |
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$str1 = substr($integer, 0, -$group_size1); |
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$str2 = substr($integer, -$group_size1); |
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$size = $group_size2 > 0 ? $group_size2 : $group_size1; |
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$str1 = str_pad($str1, (int)((strlen($str1) + $size - 1) / $size) * $size, ' ', STR_PAD_LEFT); |
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return ltrim(implode($group_symbol, str_split($str1, $size))) . $group_symbol . $str2; |
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} |
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/** |
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* Formats an integer with a decimal. |
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* |
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* @param int|string $integer |
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* An integer, or a formatted integer as returned by {@link format_integer_with_group}. |
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*/ |
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public function format_integer_with_decimal(int|string $integer, string $decimal, string $decimal_symbol): string |
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{ |
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if ($decimal === '0') { |
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$decimal = ''; |
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} |
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if ($this->decimal_digits > strlen($decimal)) { |
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$decimal = str_pad($decimal, $this->decimal_digits, '0'); |
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} |
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if (strlen($decimal)) { |
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$decimal = $decimal_symbol . $decimal; |
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} |
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return "$integer" . $decimal; |
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} |
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} |
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ICanBoogie /
CLDR
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