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<?php |
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/** |
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* responsive-images-css |
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* |
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* @category Jkphl |
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* @package Jkphl\Respimgcss |
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* @subpackage Jkphl\Respimgcss\Application |
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* @author Joschi Kuphal <[email protected]> / @jkphl |
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* @copyright Copyright © 2018 Joschi Kuphal <[email protected]> / @jkphl |
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* @license http://opensource.org/licenses/MIT The MIT License (MIT) |
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*/ |
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/*********************************************************************************** |
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* The MIT License (MIT) |
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* |
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* Copyright © 2018 Joschi Kuphal <[email protected]> / @jkphl |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy of |
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* this software and associated documentation files (the "Software"), to deal in |
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* the Software without restriction, including without limitation the rights to |
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
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* the Software, and to permit persons to whom the Software is furnished to do so, |
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* subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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***********************************************************************************/ |
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namespace Jkphl\Respimgcss\Application\Factory; |
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use Jkphl\Respimgcss\Application\Contract\UnitLengthInterface; |
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use Jkphl\Respimgcss\Application\Exceptions\InvalidArgumentException; |
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use Jkphl\Respimgcss\Application\Model\AbsoluteLength; |
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use Jkphl\Respimgcss\Application\Model\PercentageLength; |
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use Jkphl\Respimgcss\Application\Model\ViewportLength; |
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/** |
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* AbstractLength Factory |
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* |
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* @package Jkphl\Respimgcss |
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* @subpackage Jkphl\Respimgcss\Application |
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*/ |
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class LengthFactory extends AbstractLengthFactory |
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{ |
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/** |
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* Absolute units |
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* |
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* @var array |
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*/ |
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const UNITS_ABSOLUTE = [ |
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UnitLengthInterface::UNIT_PIXEL, |
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UnitLengthInterface::UNIT_EM, |
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UnitLengthInterface::UNIT_REM, |
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UnitLengthInterface::UNIT_CM, |
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UnitLengthInterface::UNIT_MM, |
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UnitLengthInterface::UNIT_IN, |
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UnitLengthInterface::UNIT_PC, |
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UnitLengthInterface::UNIT_PT, |
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]; |
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/** |
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* Relative units |
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* |
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* @var array |
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*/ |
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const UNITS_RELATIVE = [ |
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UnitLengthInterface::UNIT_PERCENT, |
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UnitLengthInterface::UNIT_VW, |
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]; |
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/** |
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* Parse a length string and return a length with unit instance |
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* |
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* @param string $length AbstractLength string |
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* |
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* @return UnitLengthInterface AbstractLength with unit |
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*/ |
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public function createLengthFromString(string $length): UnitLengthInterface |
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{ |
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$valueAndUnit = $this->matchValueAndUnit( |
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$length, |
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array_merge(self::UNITS_ABSOLUTE, self::UNITS_RELATIVE) |
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); |
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// If it's an absolute unit |
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if (in_array($valueAndUnit[2], self::UNITS_ABSOLUTE)) { |
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return new AbsoluteLength(floatval($valueAndUnit[1]), $valueAndUnit[2], $this->lengthNormalizerService); |
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} |
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return $this->makeRelativeInstance($valueAndUnit[1], $valueAndUnit[2]); |
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} |
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/** |
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* Match the value and unit of a length descriptor |
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* |
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* @param string $length AbstractLength descriptor |
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* @param array $units Allowed units |
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* |
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* @return array Value and unit (PCRE match) |
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*/ |
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protected function matchValueAndUnit(string $length, array $units): array |
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{ |
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$length = trim(strtolower($length)); |
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if (!strlen($length) || !preg_match('/^(\d+(?:\.\d+)?)('.implode('|', $units).')$/i', $length, $valueAndUnit)) { |
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throw new InvalidArgumentException( |
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sprintf(InvalidArgumentException::INVALID_LENGTH_STR, $length), |
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InvalidArgumentException::INVALID_LENGTH |
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); |
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} |
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return $valueAndUnit; |
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} |
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/** |
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* Create a relative value with unit instance |
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* |
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* @param string $value Value |
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* @param string $unit Unit |
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* |
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* @return UnitLengthInterface Relative length with unit |
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*/ |
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protected function makeRelativeInstance(string $value, string $unit): UnitLengthInterface |
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{ |
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// Viewport unit |
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if ($unit === UnitLengthInterface::UNIT_VW) { |
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$calculatorService = $this->calculatorServiceFactory->createCalculatorService(); |
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$tokens = $calculatorService->tokenize(strval($value / 100).' *viewport()'); |
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return new ViewportLength($this->calculatorServiceFactory, $tokens, $value); |
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} |
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// Percentages |
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return new PercentageLength(floatval($value)); |
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} |
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/** |
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* Parse a length string and return an absolute length with unit instance |
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* |
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* @param string $length AbstractLength string |
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* |
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* @return AbsoluteLength Absolute length with unit |
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*/ |
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public function createAbsoluteLengthFromString(string $length): AbsoluteLength |
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{ |
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$valueAndUnit = $this->matchValueAndUnit($length, self::UNITS_ABSOLUTE); |
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return new AbsoluteLength(floatval($valueAndUnit[1]), $valueAndUnit[2], $this->lengthNormalizerService); |
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} |
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} |
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jkphl /
responsive-images-css
