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<?php |
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|
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declare(strict_types=1); |
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|
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namespace AcyMailing\Libraries\Sabberworm\CSS\Value; |
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|
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use AcyMailing\Libraries\Sabberworm\CSS\OutputFormat; |
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use AcyMailing\Libraries\Sabberworm\CSS\Parsing\ParserState; |
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use AcyMailing\Libraries\Sabberworm\CSS\Parsing\UnexpectedEOFException; |
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use AcyMailing\Libraries\Sabberworm\CSS\Parsing\UnexpectedTokenException; |
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|
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/** |
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* A `Size` consists of a numeric `size` value and a unit. |
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*/ |
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class Size extends PrimitiveValue |
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{ |
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/** |
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* vh/vw/vm(ax)/vmin/rem are absolute insofar as they don’t scale to the immediate parent (only the viewport) |
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* |
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* @var list<non-empty-string> |
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*/ |
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private const ABSOLUTE_SIZE_UNITS = [ |
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'px', |
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'pt', |
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'pc', |
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'cm', |
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'mm', |
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'mozmm', |
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'in', |
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'vh', |
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'dvh', |
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'svh', |
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'lvh', |
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'vw', |
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'vmin', |
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'vmax', |
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'rem', |
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]; |
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|
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/** |
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* @var list<non-empty-string> |
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*/ |
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private const RELATIVE_SIZE_UNITS = ['%', 'em', 'ex', 'ch', 'fr']; |
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|
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/** |
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* @var list<non-empty-string> |
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*/ |
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private const NON_SIZE_UNITS = ['deg', 'grad', 'rad', 's', 'ms', 'turn', 'Hz', 'kHz']; |
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|
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/** |
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* @var array<int<1, max>, array<lowercase-string, non-empty-string>>|null |
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*/ |
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private static $SIZE_UNITS = null; |
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|
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/** |
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* @var float |
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*/ |
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private $size; |
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|
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/** |
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* @var string|null |
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*/ |
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private $unit; |
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|
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/** |
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* @var bool |
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*/ |
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private $isColorComponent; |
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|
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/** |
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* @param float|int|string $size |
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* @param int<1, max>|null $lineNumber |
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*/ |
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public function __construct($size, ?string $unit = null, bool $isColorComponent = false, ?int $lineNumber = null) |
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{ |
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parent::__construct($lineNumber); |
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$this->size = (float) $size; |
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$this->unit = $unit; |
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$this->isColorComponent = $isColorComponent; |
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} |
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|
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/** |
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* @throws UnexpectedEOFException |
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* @throws UnexpectedTokenException |
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* |
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* @internal since V8.8.0 |
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*/ |
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public static function parse(ParserState $parserState, bool $isColorComponent = false): Size |
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{ |
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$size = ''; |
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if ($parserState->comes('-')) { |
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$size .= $parserState->consume('-'); |
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} |
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while (\is_numeric($parserState->peek()) || $parserState->comes('.') || $parserState->comes('e', true)) { |
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if ($parserState->comes('.')) { |
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$size .= $parserState->consume('.'); |
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} elseif ($parserState->comes('e', true)) { |
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$lookahead = $parserState->peek(1, 1); |
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if (\is_numeric($lookahead) || $lookahead === '+' || $lookahead === '-') { |
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$size .= $parserState->consume(2); |
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} else { |
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break; // Reached the unit part of the number like "em" or "ex" |
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} |
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} else { |
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$size .= $parserState->consume(1); |
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} |
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} |
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|
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$unit = null; |
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$sizeUnits = self::getSizeUnits(); |
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foreach ($sizeUnits as $length => &$values) { |
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$key = \strtolower($parserState->peek($length)); |
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if (\array_key_exists($key, $values)) { |
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if (($unit = $values[$key]) !== null) { |
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$parserState->consume($length); |
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break; |
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} |
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} |
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} |
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return new Size((float) $size, $unit, $isColorComponent, $parserState->currentLine()); |
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} |
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|
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/** |
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* @return array<int<1, max>, array<lowercase-string, non-empty-string>> |
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*/ |
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private static function getSizeUnits(): array |
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{ |
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if (!\is_array(self::$SIZE_UNITS)) { |
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self::$SIZE_UNITS = []; |
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$sizeUnits = \array_merge(self::ABSOLUTE_SIZE_UNITS, self::RELATIVE_SIZE_UNITS, self::NON_SIZE_UNITS); |
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foreach ($sizeUnits as $sizeUnit) { |
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$tokenLength = \strlen($sizeUnit); |
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if (!isset(self::$SIZE_UNITS[$tokenLength])) { |
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self::$SIZE_UNITS[$tokenLength] = []; |
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} |
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self::$SIZE_UNITS[$tokenLength][\strtolower($sizeUnit)] = $sizeUnit; |
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} |
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|
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\krsort(self::$SIZE_UNITS, SORT_NUMERIC); |
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} |
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|
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return self::$SIZE_UNITS; |
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} |
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|
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public function setUnit(string $unit): void |
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{ |
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$this->unit = $unit; |
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} |
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|
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public function getUnit(): ?string |
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{ |
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return $this->unit; |
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} |
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|
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/** |
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* @param float|int|string $size |
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*/ |
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public function setSize($size): void |
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{ |
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$this->size = (float) $size; |
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} |
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|
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public function getSize(): float |
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{ |
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return $this->size; |
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} |
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|
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public function isColorComponent(): bool |
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{ |
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return $this->isColorComponent; |
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} |
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|
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/** |
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* Returns whether the number stored in this Size really represents a size (as in a length of something on screen). |
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* |
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* Returns `false` if the unit is an angle, a duration, a frequency, or the number is a component in a `Color` |
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* object. |
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*/ |
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public function isSize(): bool |
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{ |
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if (\in_array($this->unit, self::NON_SIZE_UNITS, true)) { |
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return false; |
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} |
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return !$this->isColorComponent(); |
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} |
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|
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public function isRelative(): bool |
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{ |
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if (\in_array($this->unit, self::RELATIVE_SIZE_UNITS, true)) { |
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return true; |
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} |
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if ($this->unit === null && $this->size !== 0.0) { |
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return true; |
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} |
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return false; |
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} |
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|
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/** |
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* @return non-empty-string |
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*/ |
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public function render(OutputFormat $outputFormat): string |
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{ |
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$locale = \localeconv(); |
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$decimalPoint = \preg_quote($locale['decimal_point'], '/'); |
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$size = \preg_match('/[\\d\\.]+e[+-]?\\d+/i', (string) $this->size) |
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? \preg_replace("/$decimalPoint?0+$/", '', \sprintf('%f', $this->size)) : (string) $this->size; |
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|
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return \preg_replace(["/$decimalPoint/", '/^(-?)0\\./'], ['.', '$1.'], $size) . ($this->unit ?? ''); |
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} |
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} |
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|